Update makefiles to use the latest WinAVR/Atmel toolchain makefile template.

Add new module source variables to the library core makefile, so that module sources can be added to a project's makefile on a per-module rather than per-file basis.

62 files changed, 2171 insertions, 3194 deletions

diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.txt b/Demos/Device/ClassDriver/AudioInput/AudioInput.txt
index 2406cdd0b..0033e6a0f 100644
--- a/Demos/Device/ClassDriver/AudioInput/AudioInput.txt
+++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.txt
@@ -71,7 +71,7 @@
  *   </tr>
  *   <tr>
  *    <td>MICROPHONE_BIASED_TO_HALF_RAIL</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this alters the demo so that the half VCC bias of the microphone input is subtracted.</td>
  *   </tr>
  *   <tr>
diff --git a/Demos/Device/ClassDriver/AudioInput/makefile b/Demos/Device/ClassDriver/AudioInput/makefile
index c3974c95c..afe724932 100644
--- a/Demos/Device/ClassDriver/AudioInput/makefile
+++ b/Demos/Device/ClassDriver/AudioInput/makefile
@@ -115,29 +115,25 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
+LUFA_OPTS += -D MICROPHONE_BIASED_TO_HALF_RAIL
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/Audio.c          \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +179,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +220,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +246,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +323,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +335,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +415,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +461,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +492,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,23 +501,8 @@ sizebefore:
 sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
-	
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
+
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +592,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +604,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +666,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +686,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +705,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.txt b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.txt
index 9170478ad..f92c91ac2 100644
--- a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.txt
+++ b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.txt
@@ -73,17 +73,17 @@
  *   </tr>
  *   <tr>
  *    <td>AUDIO_OUT_STEREO</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this outputs the audio samples in stereo to the timer output pins of the microcontroller.</td>
  *   </tr>
  *   <tr>
  *    <td>AUDIO_OUT_MONO</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this outputs the audio samples in mono to the timer output pin of the microcontroller.</td>
  *   </tr>
  *   <tr>
  *    <td>AUDIO_OUT_PORTC</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this outputs the audio samples in mono to port C of the microcontroller, for connection to an
  *        external DAC.</td>
  *   </tr>
diff --git a/Demos/Device/ClassDriver/AudioOutput/makefile b/Demos/Device/ClassDriver/AudioOutput/makefile
index b103a2da4..ed56f897e 100644
--- a/Demos/Device/ClassDriver/AudioOutput/makefile
+++ b/Demos/Device/ClassDriver/AudioOutput/makefile
@@ -115,29 +115,27 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
+LUFA_OPTS += -D AUDIO_OUT_STEREO
+#LUFA_OPTS += -D AUDIO_OUT_MONO
+#LUFA_OPTS += -D AUDIO_OUT_PORTC
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/Audio.c          \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,16 +181,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
-CDEFS += -DAUDIO_OUT_STEREO
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +222,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +248,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +325,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +337,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +417,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +463,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +494,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +504,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +594,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +606,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +668,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +688,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +707,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/DualVirtualSerial/makefile b/Demos/Device/ClassDriver/DualVirtualSerial/makefile
index a14d8d35a..acb74e82e 100644
--- a/Demos/Device/ClassDriver/DualVirtualSerial/makefile
+++ b/Demos/Device/ClassDriver/DualVirtualSerial/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,22 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/CDC.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/CDC.c              \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -184,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/GenericHID/makefile b/Demos/Device/ClassDriver/GenericHID/makefile
index cf6f22cf5..8e1b067cf 100644
--- a/Demos/Device/ClassDriver/GenericHID/makefile
+++ b/Demos/Device/ClassDriver/GenericHID/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,23 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -185,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -218,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -243,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -320,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -332,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -414,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -459,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -490,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -502,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -607,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -619,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -681,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -703,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -723,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/Joystick/makefile b/Demos/Device/ClassDriver/Joystick/makefile
index 8967c13ad..7c70ec0cd 100644
--- a/Demos/Device/ClassDriver/Joystick/makefile
+++ b/Demos/Device/ClassDriver/Joystick/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,23 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -185,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -218,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -243,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -320,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -332,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -414,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -459,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -490,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -502,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -607,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -619,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -681,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -703,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -723,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/Keyboard/makefile b/Demos/Device/ClassDriver/Keyboard/makefile
index 5841a982c..ebd5b029a 100644
--- a/Demos/Device/ClassDriver/Keyboard/makefile
+++ b/Demos/Device/ClassDriver/Keyboard/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,23 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -185,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -218,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -243,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -320,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -332,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -414,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -459,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -490,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -502,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -607,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -619,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -681,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -703,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -723,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/KeyboardMouse/makefile b/Demos/Device/ClassDriver/KeyboardMouse/makefile
index c10fd9ba9..5955304fb 100644
--- a/Demos/Device/ClassDriver/KeyboardMouse/makefile
+++ b/Demos/Device/ClassDriver/KeyboardMouse/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,23 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -185,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -218,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -243,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -320,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -332,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -414,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -459,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -490,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -502,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -607,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -619,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -681,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -703,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -723,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/MIDI/makefile b/Demos/Device/ClassDriver/MIDI/makefile
index 899d35b89..fac283b31 100644
--- a/Demos/Device/ClassDriver/MIDI/makefile
+++ b/Demos/Device/ClassDriver/MIDI/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,21 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/MIDI.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/MassStorage/Lib/SCSI.c b/Demos/Device/ClassDriver/MassStorage/Lib/SCSI.c
index f0796eaed..24d7859f0 100644
--- a/Demos/Device/ClassDriver/MassStorage/Lib/SCSI.c
+++ b/Demos/Device/ClassDriver/MassStorage/Lib/SCSI.c
@@ -249,14 +249,8 @@ static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* MSInterfaceI
  */
 static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const bool IsDataRead)
 {
-	uint32_t BlockAddress;
-	uint16_t TotalBlocks;
-	
-	/* Load in the 32-bit block address (SCSI uses big-endian, so have to reverse the byte order) */
-	BlockAddress = SwapEndian_32(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[2]);
-
-	/* Load in the 16-bit total blocks (SCSI uses big-endian, so have to reverse the byte order) */
-	TotalBlocks  = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]);
+	uint32_t BlockAddress = SwapEndian_32(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[2]);
+	uint16_t TotalBlocks  = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]);
 	
 	/* Check if the block address is outside the maximum allowable value for the LUN */
 	if (BlockAddress >= LUN_MEDIA_BLOCKS)
diff --git a/Demos/Device/ClassDriver/MassStorage/MassStorage.txt b/Demos/Device/ClassDriver/MassStorage/MassStorage.txt
index 3489ca033..538257347 100644
--- a/Demos/Device/ClassDriver/MassStorage/MassStorage.txt
+++ b/Demos/Device/ClassDriver/MassStorage/MassStorage.txt
@@ -85,8 +85,8 @@
  *   <tr>
  *    <td>TOTAL_LUNS</td>
  *    <td>MassStorage.h</td>
- *    <td>Total number of Logical Units (drives) in the device. The total device capacity is shared equally between each drive
- *        - this can be set to any positive non-zero amount.</td>
+ *    <td>Total number of Logical Units (drives) in the device. The total device capacity is shared equally between each drive -
+ *        this can be set to any positive non-zero amount.</td>
  *   </tr>
  *  </table>
  */
diff --git a/Demos/Device/ClassDriver/MassStorage/makefile b/Demos/Device/ClassDriver/MassStorage/makefile
index 67e86bd95..a7c1bed82 100644
--- a/Demos/Device/ClassDriver/MassStorage/makefile
+++ b/Demos/Device/ClassDriver/MassStorage/makefile
@@ -115,33 +115,25 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
-LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  Lib/SCSI.c                                                  \
 	  Lib/DataflashManager.c                                      \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/MassStorage.c    \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/MassStorage.c      \
+	  Lib/SCSI.c                                                  \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -187,15 +179,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -220,8 +220,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -245,7 +246,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -322,7 +323,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -334,9 +335,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -416,6 +415,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -461,7 +461,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -492,9 +492,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -504,22 +502,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -609,7 +592,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -621,7 +604,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -683,18 +666,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -705,7 +686,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -725,8 +705,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.txt b/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.txt
index 568874157..f2fffc1fc 100644
--- a/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.txt
+++ b/Demos/Device/ClassDriver/MassStorageKeyboard/MassStorageKeyboard.txt
@@ -85,8 +85,8 @@
  *   <tr>
  *    <td>TOTAL_LUNS</td>
  *    <td>MassStorage.h</td>
- *    <td>Total number of Logical Units (drives) in the device. The total device capacity is shared equally between each drive
- *        - this can be set to any positive non-zero amount.</td>
+ *    <td>Total number of Logical Units (drives) in the device. The total device capacity is shared equally between each drive -
+ *        this can be set to any positive non-zero amount.</td>
  *   </tr>
  *  </table>
  */
diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/makefile b/Demos/Device/ClassDriver/MassStorageKeyboard/makefile
index 8a932fc72..9450ee584 100644
--- a/Demos/Device/ClassDriver/MassStorageKeyboard/makefile
+++ b/Demos/Device/ClassDriver/MassStorageKeyboard/makefile
@@ -71,28 +71,21 @@ BOARD  = USBKEY
 
 # Processor frequency.
 #     This will define a symbol, F_CPU, in all source code files equal to the 
-#     processor frequency. You can then use this symbol in your source code to 
+#     processor frequency in Hz. You can then use this symbol in your source code to 
 #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
 #     automatically to create a 32-bit value in your source code.
-#     Typical values are:
-#         F_CPU =  1000000
-#         F_CPU =  1843200
-#         F_CPU =  2000000
-#         F_CPU =  3686400
-#         F_CPU =  4000000
-#         F_CPU =  7372800
-#         F_CPU =  8000000
-#         F_CPU = 11059200
-#         F_CPU = 14745600
-#         F_CPU = 16000000
-#         F_CPU = 18432000
-#         F_CPU = 20000000
+#
+#     This will be an integer division of F_CLOCK below, as it is sourced by
+#     F_CLOCK after it has run through any CPU prescalers. Note that this value
+#     does not *change* the processor frequency - it should merely be updated to
+#     reflect the processor speed set externally so that the code can use accurate
+#     software delays.
 F_CPU = 8000000
 
 
 # Input clock frequency.
 #     This will define a symbol, F_CLOCK, in all source code files equal to the 
-#     input clock frequency (before any prescaling is performed). This value may
+#     input clock frequency (before any prescaling is performed) in Hz. This value may
 #     differ from F_CPU if prescaling is used on the latter, and is required as the
 #     raw input clock is fed directly to the PLL sections of the AVR for high speed
 #     clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
@@ -122,36 +115,25 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
-LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  Lib/SCSI.c                                                  \
 	  Lib/DataflashManager.c                                      \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/MassStorage.c    \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-
-
+	  Lib/SCSI.c                                                  \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -197,15 +179,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -230,8 +220,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -255,7 +246,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -332,8 +323,8 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
-LDFLAGS += -Wl,--relax
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
 LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
@@ -344,9 +335,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -426,6 +415,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -471,7 +461,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showeventhooks showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -502,9 +492,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -514,40 +502,38 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showeventhooks: build
-	@echo
-	@echo -------- Unhooked LUFA Events --------
-	@$(shell) (grep -s '^EVENT_.*LUFA/.*\\.o' $(TARGET).map | \
-	           cut -d' ' -f1 | cut -d'_' -f2- | grep ".*") || \
-			   echo "(None)"
-	@echo --------------------------------------
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 # Display compiler version information.
 gccversion : 
 	@$(CC) --version
 
 
-
 # Program the device.  
 program: $(TARGET).hex $(TARGET).eep
 	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
 
+flip: $(TARGET).hex
+	batchisp -hardware usb -device $(MCU) -operation erase f
+	batchisp -hardware usb -device $(MCU) -operation loadbuffer $(TARGET).hex program
+	batchisp -hardware usb -device $(MCU) -operation start reset 0
+
+dfu: $(TARGET).hex
+	dfu-programmer $(MCU) erase
+	dfu-programmer $(MCU) flash --debug 1 $(TARGET).hex
+	dfu-programmer $(MCU) reset
+
+flip-ee: $(TARGET).hex $(TARGET).eep
+	$(COPY) $(TARGET).eep $(TARGET)eep.hex
+	batchisp -hardware usb -device $(MCU) -operation memory EEPROM erase
+	batchisp -hardware usb -device $(MCU) -operation memory EEPROM loadbuffer $(TARGET)eep.hex program
+	batchisp -hardware usb -device $(MCU) -operation start reset 0
+	$(REMOVE) $(TARGET)eep.hex
+
+dfu-ee: $(TARGET).hex $(TARGET).eep
+	dfu-programmer $(MCU) flash-eeprom --debug 1 --suppress-bootloader-mem $(TARGET).eep
+	dfu-programmer $(MCU) reset
+
 
 # Generate avr-gdb config/init file which does the following:
 #     define the reset signal, load the target file, connect to target, and set 
@@ -606,7 +592,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +604,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +666,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +686,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +705,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/Mouse/makefile b/Demos/Device/ClassDriver/Mouse/makefile
index c6250282a..d202a6a8c 100644
--- a/Demos/Device/ClassDriver/Mouse/makefile
+++ b/Demos/Device/ClassDriver/Mouse/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,23 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -185,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -218,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -243,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -320,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -332,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -414,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -459,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -490,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -502,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -607,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -619,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -681,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -703,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -723,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.txt b/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.txt
index 2175ecb7f..ab325ca00 100644
--- a/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.txt
+++ b/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.txt
@@ -85,37 +85,37 @@
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_ETHERNET</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received Ethernet headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_ARP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received ARP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_IP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received IP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_ICMP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received ICMP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_TCP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received TCP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_UDP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received UDP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_DHCP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received DHCP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *  </table>
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/makefile b/Demos/Device/ClassDriver/RNDISEthernet/makefile
index 1164fbc66..c3650e9da 100644
--- a/Demos/Device/ClassDriver/RNDISEthernet/makefile
+++ b/Demos/Device/ClassDriver/RNDISEthernet/makefile
@@ -115,17 +115,29 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
+LUFA_OPTS += -D NO_DECODE_ETHERNET
+LUFA_OPTS += -D NO_DECODE_ARP
+LUFA_OPTS += -D NO_DECODE_IP
+LUFA_OPTS += -D NO_DECODE_ICMP
+LUFA_OPTS += -D NO_DECODE_TCP
+LUFA_OPTS += -D NO_DECODE_UDP
+LUFA_OPTS += -D NO_DECODE_DHCP
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-      Descriptors.c                                               \
+	  Descriptors.c                                               \
 	  Lib/Ethernet.c                                              \
 	  Lib/ProtocolDecoders.c                                      \
 	  Lib/ICMP.c                                                  \
@@ -135,20 +147,10 @@ SRC = $(TARGET).c                                                 \
 	  Lib/ARP.c                                                   \
 	  Lib/IP.c                                                    \
 	  Lib/Webserver.c                                             \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/RNDIS.c          \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -194,17 +196,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
-CDEFS += -DNO_DECODE_ETHERNET -DNO_DECODE_ARP -DNO_DECODE_ICMP
-CDEFS += -DNO_DECODE_IP -DNO_DECODE_TCP -DNO_DECODE_UDP -DNO_DECODE_DHCP -DNO_DECODE_DNS
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -229,8 +237,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -254,7 +263,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -331,7 +340,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -343,9 +352,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -425,6 +432,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -470,7 +478,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -501,9 +509,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -513,22 +519,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -618,7 +609,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -630,7 +621,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -692,18 +683,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -714,7 +703,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -734,8 +722,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
\ No newline at end of file
diff --git a/Demos/Device/ClassDriver/VirtualSerial/makefile b/Demos/Device/ClassDriver/VirtualSerial/makefile
index ef615a1d6..18c3be52f 100644
--- a/Demos/Device/ClassDriver/VirtualSerial/makefile
+++ b/Demos/Device/ClassDriver/VirtualSerial/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,22 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/CDC.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/CDC.c              \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -184,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/ClassDriver/VirtualSerialMouse/makefile b/Demos/Device/ClassDriver/VirtualSerialMouse/makefile
index d05facbf9..04141a50f 100644
--- a/Demos/Device/ClassDriver/VirtualSerialMouse/makefile
+++ b/Demos/Device/ClassDriver/VirtualSerialMouse/makefile
@@ -115,7 +115,7 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
@@ -123,24 +123,15 @@ LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/CDC.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/CDC.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -186,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -219,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -244,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -321,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -333,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -415,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -460,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -491,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -503,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -608,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -620,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -682,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -704,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -724,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/Incomplete/Sideshow/makefile b/Demos/Device/Incomplete/Sideshow/makefile
index 280126410..f0782f183 100644
--- a/Demos/Device/Incomplete/Sideshow/makefile
+++ b/Demos/Device/Incomplete/Sideshow/makefile
@@ -115,35 +115,29 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  Lib/SideshowCommon.c                                        \
-	  Lib/SideshowCommands.c                                      \
 	  Lib/SideshowApplications.c                                  \
+	  Lib/SideshowCommands.c                                      \
+	  Lib/SideshowCommon.c                                        \
 	  Lib/SideshowContent.c                                       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -185,19 +179,27 @@ EXTRAINCDIRS = $(LUFA_PATH)/
 #     gnu89 = c89 plus GCC extensions
 #     c99   = ISO C99 standard (not yet fully implemented)
 #     gnu99 = c99 plus GCC extensions
-CSTANDARD = -std=c99
+CSTANDARD = -std=gnu99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -222,8 +224,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -247,7 +250,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -324,7 +327,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -336,9 +339,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -418,6 +419,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -463,7 +465,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -494,9 +496,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -506,22 +506,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -611,7 +596,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -623,7 +608,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -685,18 +670,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -707,7 +690,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -727,8 +709,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/AudioInput/AudioInput.txt b/Demos/Device/LowLevel/AudioInput/AudioInput.txt
index fb021f897..149f8360a 100644
--- a/Demos/Device/LowLevel/AudioInput/AudioInput.txt
+++ b/Demos/Device/LowLevel/AudioInput/AudioInput.txt
@@ -71,7 +71,7 @@
  *   </tr>
  *   <tr>
  *    <td>MICROPHONE_BIASED_TO_HALF_RAIL</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this alters the demo so that the half VCC bias of the microphone input is subtracted.</td>
  *   </tr>
  *   <tr>
diff --git a/Demos/Device/LowLevel/AudioInput/makefile b/Demos/Device/LowLevel/AudioInput/makefile
index b94f4e2c3..dc7fa47ee 100644
--- a/Demos/Device/LowLevel/AudioInput/makefile
+++ b/Demos/Device/LowLevel/AudioInput/makefile
@@ -115,29 +115,24 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
+LUFA_OPTS += -D MICROPHONE_BIASED_TO_HALF_RAIL
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +178,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +219,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +245,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +322,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +334,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +414,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +460,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +491,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +501,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +591,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +603,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +665,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +685,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +704,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/AudioOutput/AudioOutput.txt b/Demos/Device/LowLevel/AudioOutput/AudioOutput.txt
index 9170478ad..f92c91ac2 100644
--- a/Demos/Device/LowLevel/AudioOutput/AudioOutput.txt
+++ b/Demos/Device/LowLevel/AudioOutput/AudioOutput.txt
@@ -73,17 +73,17 @@
  *   </tr>
  *   <tr>
  *    <td>AUDIO_OUT_STEREO</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this outputs the audio samples in stereo to the timer output pins of the microcontroller.</td>
  *   </tr>
  *   <tr>
  *    <td>AUDIO_OUT_MONO</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this outputs the audio samples in mono to the timer output pin of the microcontroller.</td>
  *   </tr>
  *   <tr>
  *    <td>AUDIO_OUT_PORTC</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, this outputs the audio samples in mono to port C of the microcontroller, for connection to an
  *        external DAC.</td>
  *   </tr>
diff --git a/Demos/Device/LowLevel/AudioOutput/makefile b/Demos/Device/LowLevel/AudioOutput/makefile
index 762fccc91..9e61803e7 100644
--- a/Demos/Device/LowLevel/AudioOutput/makefile
+++ b/Demos/Device/LowLevel/AudioOutput/makefile
@@ -115,29 +115,26 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
+LUFA_OPTS += -D AUDIO_OUT_STEREO
+#LUFA_OPTS += -D AUDIO_OUT_MONO
+#LUFA_OPTS += -D AUDIO_OUT_PORTC
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,16 +180,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
-CDEFS += -DAUDIO_OUT_STEREO
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +221,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +247,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +324,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +336,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +416,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +462,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +493,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +503,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +593,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +605,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +667,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +687,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +706,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/DualVirtualSerial/makefile b/Demos/Device/LowLevel/DualVirtualSerial/makefile
index f3106b8c7..c9f49a559 100644
--- a/Demos/Device/LowLevel/DualVirtualSerial/makefile
+++ b/Demos/Device/LowLevel/DualVirtualSerial/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/GenericHID/makefile b/Demos/Device/LowLevel/GenericHID/makefile
index 806d51c67..abf347593 100644
--- a/Demos/Device/LowLevel/GenericHID/makefile
+++ b/Demos/Device/LowLevel/GenericHID/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/Joystick/makefile b/Demos/Device/LowLevel/Joystick/makefile
index e7ae0c0cc..329163ee8 100644
--- a/Demos/Device/LowLevel/Joystick/makefile
+++ b/Demos/Device/LowLevel/Joystick/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/Keyboard/makefile b/Demos/Device/LowLevel/Keyboard/makefile
index ca4554cb7..00892d9d8 100644
--- a/Demos/Device/LowLevel/Keyboard/makefile
+++ b/Demos/Device/LowLevel/Keyboard/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/KeyboardMouse/makefile b/Demos/Device/LowLevel/KeyboardMouse/makefile
index b2542b319..eeee41e06 100644
--- a/Demos/Device/LowLevel/KeyboardMouse/makefile
+++ b/Demos/Device/LowLevel/KeyboardMouse/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/MIDI/makefile b/Demos/Device/LowLevel/MIDI/makefile
index 5b3b903ab..308933252 100644
--- a/Demos/Device/LowLevel/MIDI/makefile
+++ b/Demos/Device/LowLevel/MIDI/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,23 +499,8 @@ sizebefore:
 sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
-	
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
+
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c b/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
index 05c9265dd..d718e7eea 100644
--- a/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
+++ b/Demos/Device/LowLevel/MassStorage/Lib/SCSI.c
@@ -252,14 +252,8 @@ static void SCSI_Command_Send_Diagnostic(void)
  */
 static void SCSI_Command_ReadWrite_10(const bool IsDataRead)
 {
-	uint32_t BlockAddress;
-	uint16_t TotalBlocks;
-	
-	/* Load in the 32-bit block address (SCSI uses big-endian, so have to reverse the byte order) */
-	BlockAddress = SwapEndian_32(*(uint32_t*)&CommandBlock.SCSICommandData[2]);
-
-	/* Load in the 16-bit total blocks (SCSI uses big-endian, so have to reverse the byte order) */
-	TotalBlocks  = SwapEndian_16(*(uint16_t*)&CommandBlock.SCSICommandData[7]);
+	uint32_t BlockAddress = SwapEndian_32(*(uint32_t*)&CommandBlock.SCSICommandData[2]);
+	uint16_t TotalBlocks  = SwapEndian_16(*(uint16_t*)&CommandBlock.SCSICommandData[7]);
 
 	/* Check if the block address is outside the maximum allowable value for the LUN */
 	if (BlockAddress >= LUN_MEDIA_BLOCKS)
diff --git a/Demos/Device/LowLevel/MassStorage/makefile b/Demos/Device/LowLevel/MassStorage/makefile
index b127d4f92..4ae0040ce 100644
--- a/Demos/Device/LowLevel/MassStorage/makefile
+++ b/Demos/Device/LowLevel/MassStorage/makefile
@@ -115,31 +115,24 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D USB_DEVICE_ONLY 
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
-LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  Lib/SCSI.c                                                  \
 	  Lib/DataflashManager.c                                      \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  Lib/SCSI.c                                                  \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -185,15 +178,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -218,8 +219,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -243,7 +245,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -320,7 +322,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -332,9 +334,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -414,6 +414,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -459,7 +460,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -490,9 +491,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,23 +500,8 @@ sizebefore:
 sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
-	
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
+
 
 # Display compiler version information.
 gccversion : 
@@ -607,7 +591,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -619,7 +603,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -681,18 +665,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -703,7 +685,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -723,8 +704,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/Mouse/makefile b/Demos/Device/LowLevel/Mouse/makefile
index adc4f75b0..744da6b5a 100644
--- a/Demos/Device/LowLevel/Mouse/makefile
+++ b/Demos/Device/LowLevel/Mouse/makefile
@@ -115,30 +115,25 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
- 
+	  $(LUFA_SRC_USB)
+
+
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
 
@@ -182,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +219,8 @@ CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
 #CFLAGS += -mshort-calls
-CFLAGS += -Wundef
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.txt b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.txt
index 2175ecb7f..ab325ca00 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.txt
+++ b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.txt
@@ -85,37 +85,37 @@
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_ETHERNET</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received Ethernet headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_ARP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received ARP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_IP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received IP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_ICMP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received ICMP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_TCP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received TCP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_UDP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received UDP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *   <tr>
  *    <td>NO_DECODE_DHCP</td>
- *    <td>Makefile CDEFS</td>
+ *    <td>Makefile LUFA_OPTS</td>
  *    <td>When defined, received DHCP headers will not be decoded and printed to the device serial port.</td>
  *   </tr>
  *  </table>
diff --git a/Demos/Device/LowLevel/RNDISEthernet/makefile b/Demos/Device/LowLevel/RNDISEthernet/makefile
index 69383e263..3e57640f7 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/makefile
+++ b/Demos/Device/LowLevel/RNDISEthernet/makefile
@@ -115,19 +115,30 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+LUFA_OPTS += -D NO_DECODE_ETHERNET
+LUFA_OPTS += -D NO_DECODE_ARP
+LUFA_OPTS += -D NO_DECODE_IP
+LUFA_OPTS += -D NO_DECODE_ICMP
+LUFA_OPTS += -D NO_DECODE_TCP
+LUFA_OPTS += -D NO_DECODE_UDP
+LUFA_OPTS += -D NO_DECODE_DHCP
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-      Descriptors.c                                               \
-      Lib/RNDIS.c                                                 \
+	  Descriptors.c                                               \
 	  Lib/Ethernet.c                                              \
 	  Lib/ProtocolDecoders.c                                      \
 	  Lib/ICMP.c                                                  \
@@ -137,19 +148,10 @@ SRC = $(TARGET).c                                                 \
 	  Lib/ARP.c                                                   \
 	  Lib/IP.c                                                    \
 	  Lib/Webserver.c                                             \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  Lib/RNDIS.c                                                 \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -195,16 +197,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
-CDEFS += -DNO_DECODE_ETHERNET -DNO_DECODE_ARP -DNO_DECODE_ICMP -DNO_DECODE_IP -DNO_DECODE_TCP -DNO_DECODE_UDP -DNO_DECODE_DHCP
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -229,8 +238,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -254,7 +264,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -331,7 +341,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -343,9 +353,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -425,6 +433,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -470,7 +479,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -501,9 +510,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -513,22 +520,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -618,7 +610,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -630,7 +622,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -692,18 +684,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -714,7 +704,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -734,8 +723,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
\ No newline at end of file
diff --git a/Demos/Device/LowLevel/VirtualSerial/makefile b/Demos/Device/LowLevel/VirtualSerial/makefile
index 65d851050..c0d989e87 100644
--- a/Demos/Device/LowLevel/VirtualSerial/makefile
+++ b/Demos/Device/LowLevel/VirtualSerial/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_DEVICE_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_DEVICE_ONLY
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
+
+
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
 
 
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/DualRole/ClassDriver/MouseHostDevice/makefile b/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
index 87fd546a4..79ab4f4f1 100644
--- a/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
+++ b/Demos/DualRole/ClassDriver/MouseHostDevice/makefile
@@ -115,35 +115,27 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  Descriptors.c                                               \
 	  DeviceFunctions.c                                           \
 	  HostFunctions.c                                             \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -188,15 +180,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -221,8 +221,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -246,7 +247,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -323,7 +324,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -335,9 +336,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -417,6 +416,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -462,7 +462,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -493,9 +493,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -505,22 +503,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -610,7 +593,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -622,7 +605,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -684,18 +667,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -706,7 +687,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -726,8 +706,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/JoystickHostWithParser/makefile b/Demos/Host/ClassDriver/JoystickHostWithParser/makefile
index d2a8b88e5..3d408ae6a 100644
--- a/Demos/Host/ClassDriver/JoystickHostWithParser/makefile
+++ b/Demos/Host/ClassDriver/JoystickHostWithParser/makefile
@@ -115,30 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -183,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/KeyboardHost/makefile b/Demos/Host/ClassDriver/KeyboardHost/makefile
index af1cd0008..e93721194 100644
--- a/Demos/Host/ClassDriver/KeyboardHost/makefile
+++ b/Demos/Host/ClassDriver/KeyboardHost/makefile
@@ -115,30 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
-LUFA_OPTS += -D HID_HOST_BOOT_PROTOCOL_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -183,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile b/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile
index c9490a5a1..d5325bb3e 100644
--- a/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile
+++ b/Demos/Host/ClassDriver/KeyboardHostWithParser/makefile
@@ -115,30 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -183,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/MIDIHost/makefile b/Demos/Host/ClassDriver/MIDIHost/makefile
index d77d70613..c2a987e0e 100644
--- a/Demos/Host/ClassDriver/MIDIHost/makefile
+++ b/Demos/Host/ClassDriver/MIDIHost/makefile
@@ -115,29 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/MIDI.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/MIDI.c             \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -182,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -215,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -240,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -317,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -329,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -411,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -456,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -487,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -604,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -616,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -678,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -700,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -720,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/MassStorageHost/makefile b/Demos/Host/ClassDriver/MassStorageHost/makefile
index a1e7e0680..e8ccd7bea 100644
--- a/Demos/Host/ClassDriver/MassStorageHost/makefile
+++ b/Demos/Host/ClassDriver/MassStorageHost/makefile
@@ -115,30 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D USB_HOST_ONLY -Wextra
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 LUFA_OPTS += -D USB_STREAM_TIMEOUT_MS=5000
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/MassStorage.c    \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/MassStorage.c      \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -183,15 +176,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +217,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +243,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +320,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +332,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +412,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +458,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +489,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +499,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +589,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +601,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +663,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +683,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +702,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/MouseHost/makefile b/Demos/Host/ClassDriver/MouseHost/makefile
index 420d159bc..f12dd8874 100644
--- a/Demos/Host/ClassDriver/MouseHost/makefile
+++ b/Demos/Host/ClassDriver/MouseHost/makefile
@@ -115,30 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
-LUFA_OPTS += -D HID_HOST_BOOT_PROTOCOL_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -183,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/MouseHostWithParser/makefile b/Demos/Host/ClassDriver/MouseHostWithParser/makefile
index e1857fde5..ecbdc2f6f 100644
--- a/Demos/Host/ClassDriver/MouseHostWithParser/makefile
+++ b/Demos/Host/ClassDriver/MouseHostWithParser/makefile
@@ -115,30 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/HID.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HID.c              \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -183,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/PrinterHost/makefile b/Demos/Host/ClassDriver/PrinterHost/makefile
index 15a29f73f..3434ad5d9 100644
--- a/Demos/Host/ClassDriver/PrinterHost/makefile
+++ b/Demos/Host/ClassDriver/PrinterHost/makefile
@@ -115,28 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/Printer.c          \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -181,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -214,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -239,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -316,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -328,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -410,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -455,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -486,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -498,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -603,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -615,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -677,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -699,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -719,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/RNDISEthernetHost/makefile b/Demos/Host/ClassDriver/RNDISEthernetHost/makefile
index 28efa4a54..3f1b082f1 100644
--- a/Demos/Host/ClassDriver/RNDISEthernetHost/makefile
+++ b/Demos/Host/ClassDriver/RNDISEthernetHost/makefile
@@ -115,29 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/RNDIS.c          \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/RNDIS.c            \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -182,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -215,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -240,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -317,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -329,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -411,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -456,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -487,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -604,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -616,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -678,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -700,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -720,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/StillImageHost/makefile b/Demos/Host/ClassDriver/StillImageHost/makefile
index 53edd2829..f34358f12 100644
--- a/Demos/Host/ClassDriver/StillImageHost/makefile
+++ b/Demos/Host/ClassDriver/StillImageHost/makefile
@@ -115,28 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/StillImage.c       \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -181,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -214,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -239,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -316,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -328,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -410,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -455,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -486,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -498,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -603,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -615,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -677,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -699,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -719,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/ClassDriver/VirtualSerialHost/makefile b/Demos/Host/ClassDriver/VirtualSerialHost/makefile
index 7b0a27b43..6399d2da0 100644
--- a/Demos/Host/ClassDriver/VirtualSerialHost/makefile
+++ b/Demos/Host/ClassDriver/VirtualSerialHost/makefile
@@ -115,29 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Device/CDC.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/CDC.c              \
-	  
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_USBCLASS)                                        \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
+
 
 # List C++ source files here. (C dependencies are automatically generated.)
 CPPSRC = 
@@ -182,15 +175,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -215,8 +216,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -240,7 +242,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -317,7 +319,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -329,9 +331,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -411,6 +411,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -456,7 +457,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -487,9 +488,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,22 +498,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -604,7 +588,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -616,7 +600,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -678,18 +662,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -700,7 +682,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -720,8 +701,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/Incomplete/BluetoothHost/makefile b/Demos/Host/Incomplete/BluetoothHost/makefile
index 90f0255b3..50de5a149 100644
--- a/Demos/Host/Incomplete/BluetoothHost/makefile
+++ b/Demos/Host/Incomplete/BluetoothHost/makefile
@@ -71,28 +71,21 @@ BOARD  = USBKEY
 
 # Processor frequency.
 #     This will define a symbol, F_CPU, in all source code files equal to the 
-#     processor frequency. You can then use this symbol in your source code to 
+#     processor frequency in Hz. You can then use this symbol in your source code to 
 #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
 #     automatically to create a 32-bit value in your source code.
-#     Typical values are:
-#         F_CPU =  1000000
-#         F_CPU =  1843200
-#         F_CPU =  2000000
-#         F_CPU =  3686400
-#         F_CPU =  4000000
-#         F_CPU =  7372800
-#         F_CPU =  8000000
-#         F_CPU = 11059200
-#         F_CPU = 14745600
-#         F_CPU = 16000000
-#         F_CPU = 18432000
-#         F_CPU = 20000000
+#
+#     This will be an integer division of F_CLOCK below, as it is sourced by
+#     F_CLOCK after it has run through any CPU prescalers. Note that this value
+#     does not *change* the processor frequency - it should merely be updated to
+#     reflect the processor speed set externally so that the code can use accurate
+#     software delays.
 F_CPU = 16000000
 
 
 # Input clock frequency.
 #     This will define a symbol, F_CLOCK, in all source code files equal to the 
-#     input clock frequency (before any prescaling is performed). This value may
+#     input clock frequency (before any prescaling is performed) in Hz. This value may
 #     differ from F_CPU if prescaling is used on the latter, and is required as the
 #     raw input clock is fed directly to the PLL sections of the AVR for high speed
 #     clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
@@ -122,12 +115,16 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  BluetoothEvents.c                                           \
@@ -140,19 +137,9 @@ SRC = $(TARGET).c                                                 \
 	  Lib/SDPServices.c                                           \
 	  Lib/RFCOMM.c                                                \
 	  Lib/RFCOMMControl.c                                         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -198,15 +185,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -231,8 +226,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -256,7 +252,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -333,7 +329,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -345,9 +341,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -427,6 +421,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -472,7 +467,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -503,9 +498,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -515,22 +508,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -620,7 +598,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -632,7 +610,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -694,18 +672,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -716,7 +692,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -736,8 +711,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/GenericHIDHost/makefile b/Demos/Host/LowLevel/GenericHIDHost/makefile
index ed006016a..d8fcddf77 100644
--- a/Demos/Host/LowLevel/GenericHIDHost/makefile
+++ b/Demos/Host/LowLevel/GenericHIDHost/makefile
@@ -115,29 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +176,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +217,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +243,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +320,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +332,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +412,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +458,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +489,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +499,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +589,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +601,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +663,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +683,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +702,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/JoystickHostWithParser/makefile b/Demos/Host/LowLevel/JoystickHostWithParser/makefile
index 61468d288..b9a82370e 100644
--- a/Demos/Host/LowLevel/JoystickHostWithParser/makefile
+++ b/Demos/Host/LowLevel/JoystickHostWithParser/makefile
@@ -115,30 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
 	  HIDReport.c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -184,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/KeyboardHost/makefile b/Demos/Host/LowLevel/KeyboardHost/makefile
index 53145d497..877f0e2ea 100644
--- a/Demos/Host/LowLevel/KeyboardHost/makefile
+++ b/Demos/Host/LowLevel/KeyboardHost/makefile
@@ -115,28 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -182,15 +176,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -215,8 +217,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -240,7 +243,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -317,7 +320,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -329,9 +332,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -411,6 +412,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -456,7 +458,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -487,9 +489,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,22 +499,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -604,7 +589,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -616,7 +601,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -678,18 +663,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -700,7 +683,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -720,8 +702,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/KeyboardHostWithParser/makefile b/Demos/Host/LowLevel/KeyboardHostWithParser/makefile
index 0d490edc6..a100eeafe 100644
--- a/Demos/Host/LowLevel/KeyboardHostWithParser/makefile
+++ b/Demos/Host/LowLevel/KeyboardHostWithParser/makefile
@@ -115,30 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
 	  HIDReport.c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -184,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/MIDIHost/makefile b/Demos/Host/LowLevel/MIDIHost/makefile
index 9e80525dc..27b899fd3 100644
--- a/Demos/Host/LowLevel/MIDIHost/makefile
+++ b/Demos/Host/LowLevel/MIDIHost/makefile
@@ -115,28 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -182,15 +176,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -215,8 +217,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -240,7 +243,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -317,7 +320,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -329,9 +332,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -411,6 +412,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -456,7 +458,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -487,9 +489,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,22 +499,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -604,7 +589,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -616,7 +601,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -678,18 +663,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -700,7 +683,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -720,8 +702,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/MassStorageHost/makefile b/Demos/Host/LowLevel/MassStorageHost/makefile
index b57e7abba..3728b760e 100644
--- a/Demos/Host/LowLevel/MassStorageHost/makefile
+++ b/Demos/Host/LowLevel/MassStorageHost/makefile
@@ -115,30 +115,24 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 LUFA_OPTS += -D USB_STREAM_TIMEOUT_MS=5000
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
 	  Lib/MassStoreCommands.c                                     \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -184,15 +178,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +219,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +245,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +322,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +334,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +414,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +460,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +491,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +501,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +591,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +603,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +665,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +685,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +704,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/MouseHost/makefile b/Demos/Host/LowLevel/MouseHost/makefile
index bcb2e556a..5aeaf8721 100644
--- a/Demos/Host/LowLevel/MouseHost/makefile
+++ b/Demos/Host/LowLevel/MouseHost/makefile
@@ -115,28 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -182,15 +176,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -215,8 +217,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -240,7 +243,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -317,7 +320,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -329,9 +332,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -411,6 +412,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -456,7 +458,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -487,9 +489,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,22 +499,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -604,7 +589,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -616,7 +601,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -678,18 +663,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -700,7 +683,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -720,8 +702,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/MouseHostWithParser/makefile b/Demos/Host/LowLevel/MouseHostWithParser/makefile
index 31807c536..84a5f728c 100644
--- a/Demos/Host/LowLevel/MouseHostWithParser/makefile
+++ b/Demos/Host/LowLevel/MouseHostWithParser/makefile
@@ -115,30 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
 	  HIDReport.c                                                 \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/Class/Host/HIDParser.c        \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -184,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -217,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -242,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -319,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -331,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -413,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -458,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -489,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -501,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -606,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -618,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -680,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -702,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -722,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/PrinterHost/makefile b/Demos/Host/LowLevel/PrinterHost/makefile
index c608f9892..66efd03e2 100644
--- a/Demos/Host/LowLevel/PrinterHost/makefile
+++ b/Demos/Host/LowLevel/PrinterHost/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
 	  Lib/PrinterCommands.c                                       \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/RNDISEthernetHost/makefile b/Demos/Host/LowLevel/RNDISEthernetHost/makefile
index ba438606a..06aed481f 100644
--- a/Demos/Host/LowLevel/RNDISEthernetHost/makefile
+++ b/Demos/Host/LowLevel/RNDISEthernetHost/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
 	  Lib/RNDISCommands.c                                         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/StillImageHost/makefile b/Demos/Host/LowLevel/StillImageHost/makefile
index daf53c5d9..de242d8e6 100644
--- a/Demos/Host/LowLevel/StillImageHost/makefile
+++ b/Demos/Host/LowLevel/StillImageHost/makefile
@@ -115,29 +115,23 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
-LUFA_OPTS  = -D NO_STREAM_CALLBACKS
-LUFA_OPTS += -D USB_HOST_ONLY
+# LUFA library compile-time options and predefined tokens
+LUFA_OPTS  = -D USB_HOST_ONLY
+LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
 	  Lib/StillImageCommands.c                                    \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -183,15 +177,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -216,8 +218,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -241,7 +244,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -318,7 +321,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -330,9 +333,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -412,6 +413,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -457,7 +459,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -488,9 +490,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -500,22 +500,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -605,7 +590,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -617,7 +602,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -679,18 +664,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -701,7 +684,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -721,8 +703,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config
diff --git a/Demos/Host/LowLevel/VirtualSerialHost/makefile b/Demos/Host/LowLevel/VirtualSerialHost/makefile
index a404806ec..6e15fafa7 100644
--- a/Demos/Host/LowLevel/VirtualSerialHost/makefile
+++ b/Demos/Host/LowLevel/VirtualSerialHost/makefile
@@ -115,28 +115,22 @@ OBJDIR = .
 LUFA_PATH = ../../../..
 
 
-# LUFA library compile-time options
+# LUFA library compile-time options and predefined tokens
 LUFA_OPTS  = -D USB_HOST_ONLY
 LUFA_OPTS += -D NO_STREAM_CALLBACKS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
 
 
+# Create the LUFA source path variables by including the LUFA root makefile
+include $(LUFA_PATH)/LUFA/makefile
+
+
 # List C source files here. (C dependencies are automatically generated.)
 SRC = $(TARGET).c                                                 \
 	  ConfigDescriptor.c                                          \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/SerialStream.c         \
-	  $(LUFA_PATH)/LUFA/Drivers/Peripheral/Serial.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/DevChapter9.c        \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Device.c             \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Endpoint.c           \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Host.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/HostChapter9.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/LowLevel.c           \
- 	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/Pipe.c               \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/LowLevel/USBInterrupt.c       \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.c  \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/Events.c            \
-	  $(LUFA_PATH)/LUFA/Drivers/USB/HighLevel/USBTask.c           \
+	  $(LUFA_SRC_USB)                                             \
+	  $(LUFA_SRC_SERIAL)                                          \
+	  $(LUFA_SRC_SERIALSTREAM)
 
 
 # List C++ source files here. (C dependencies are automatically generated.)
@@ -182,15 +176,23 @@ CSTANDARD = -std=c99
 
 
 # Place -D or -U options here for C sources
-CDEFS  = -DF_CPU=$(F_CPU)UL -DF_CLOCK=$(F_CLOCK)UL -DBOARD=BOARD_$(BOARD) $(LUFA_OPTS)
+CDEFS  = -DF_CPU=$(F_CPU)UL
+CDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CDEFS += -DBOARD=BOARD_$(BOARD)
+CDEFS += $(LUFA_OPTS)
 
 
 # Place -D or -U options here for ASM sources
-ADEFS = -DF_CPU=$(F_CPU)
-
+ADEFS  = -DF_CPU=$(F_CPU)
+ADEFS += -DF_CLOCK=$(F_CLOCK)UL
+ADEFS += -DBOARD=BOARD_$(BOARD)
+ADEFS += $(LUFA_OPTS)
 
 # Place -D or -U options here for C++ sources
-CPPDEFS = -DF_CPU=$(F_CPU)UL
+CPPDEFS  = -DF_CPU=$(F_CPU)UL
+CPPDEFS += -DF_CLOCK=$(F_CLOCK)UL
+CPPDEFS += -DBOARD=BOARD_$(BOARD)
+CPPDEFS += $(LUFA_OPTS)
 #CPPDEFS += -D__STDC_LIMIT_MACROS
 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 
@@ -215,8 +217,9 @@ CFLAGS += -fshort-enums
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -Wall
 CFLAGS += -Wstrict-prototypes
-CFLAGS += -Wundef
+#CFLAGS += -mshort-calls
 #CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
 #CFLAGS += -Wunreachable-code
 #CFLAGS += -Wsign-compare
 CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
@@ -240,7 +243,7 @@ CPPFLAGS += -fpack-struct
 CPPFLAGS += -fshort-enums
 CPPFLAGS += -fno-exceptions
 CPPFLAGS += -Wall
-CFLAGS += -Wundef
+CPPFLAGS += -Wundef
 #CPPFLAGS += -mshort-calls
 #CPPFLAGS += -fno-unit-at-a-time
 #CPPFLAGS += -Wstrict-prototypes
@@ -317,7 +320,7 @@ EXTMEMOPTS =
 #  -Wl,...:     tell GCC to pass this to linker.
 #    -Map:      create map file
 #    --cref:    add cross reference to  map file
-LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
+LDFLAGS  = -Wl,-Map=$(TARGET).map,--cref
 LDFLAGS += -Wl,--relax 
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += $(EXTMEMOPTS)
@@ -329,9 +332,7 @@ LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 
 #---------------- Programming Options (avrdude) ----------------
 
-# Programming hardware: alf avr910 avrisp bascom bsd 
-# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
-#
+# Programming hardware
 # Type: avrdude -c ?
 # to get a full listing.
 #
@@ -411,6 +412,7 @@ REMOVEDIR = rm -rf
 COPY = cp
 WINSHELL = cmd
 
+
 # Define Messages
 # English
 MSG_ERRORS_NONE = Errors: none
@@ -456,7 +458,7 @@ ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 
 
 # Default target.
-all: begin gccversion sizebefore build showliboptions showtarget sizeafter end
+all: begin gccversion sizebefore build sizeafter end
 
 # Change the build target to build a HEX file or a library.
 build: elf hex eep lss sym
@@ -487,9 +489,7 @@ end:
 
 # Display size of file.
 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
-ELFSIZE = $(SIZE) $(MCU_FLAG) $(FORMAT_FLAG) $(TARGET).elf
-MCU_FLAG = $(shell $(SIZE) --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-FORMAT_FLAG = $(shell $(SIZE) --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 
 sizebefore:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
@@ -499,22 +499,7 @@ sizeafter:
 	@if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 	2>/dev/null; echo; fi
 
-showliboptions:
-	@echo
-	@echo ---- Compile Time Library Options ----
-	@for i in $(LUFA_OPTS:-D%=%); do \
-		echo $$i; \
-	done
-	@echo --------------------------------------
 
-showtarget:
-	@echo
-	@echo --------- Target Information ---------
-	@echo AVR Model: $(MCU)
-	@echo Board:     $(BOARD)
-	@echo Clock:     $(F_CPU)Hz CPU, $(F_CLOCK)Hz Master
-	@echo --------------------------------------
-	
 
 # Display compiler version information.
 gccversion : 
@@ -604,7 +589,7 @@ extcoff: $(TARGET).elf
 %.hex: %.elf
 	@echo
 	@echo $(MSG_FLASH) $@
-	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock $< $@
 
 %.eep: %.elf
 	@echo
@@ -616,7 +601,7 @@ extcoff: $(TARGET).elf
 %.lss: %.elf
 	@echo
 	@echo $(MSG_EXTENDED_LISTING) $@
-	$(OBJDUMP) -h -z -S $< > $@
+	$(OBJDUMP) -h -S -z $< > $@
 
 # Create a symbol table from ELF output file.
 %.sym: %.elf
@@ -678,18 +663,16 @@ $(OBJDIR)/%.o : %.S
 # Create preprocessed source for use in sending a bug report.
 %.i : %.c
 	$(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ 
-	
+
 
 # Target: clean project.
-clean: begin clean_list clean_binary end
+clean: begin clean_list end
 
-clean_binary:
-	$(REMOVE) $(TARGET).hex
-	
-clean_list:
+clean_list :
+	@echo
 	@echo $(MSG_CLEANING)
+	$(REMOVE) $(TARGET).hex
 	$(REMOVE) $(TARGET).eep
-	$(REMOVE) $(TARGET)eep.hex
 	$(REMOVE) $(TARGET).cof
 	$(REMOVE) $(TARGET).elf
 	$(REMOVE) $(TARGET).map
@@ -700,7 +683,6 @@ clean_list:
 	$(REMOVE) $(SRC:.c=.s)
 	$(REMOVE) $(SRC:.c=.d)
 	$(REMOVE) $(SRC:.c=.i)
-	$(REMOVE) InvalidEvents.tmp
 	$(REMOVEDIR) .dep
 
 doxygen:
@@ -720,8 +702,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
 
 
 # Listing of phony targets.
-.PHONY : all showliboptions showtarget begin       \
-finish end sizebefore sizeafter gccversion build   \
-elf hex eep lss sym coff extcoff program dfu flip  \
-flip-ee dfu-ee clean debug clean_list clean_binary \
-clean_doxygen gdb-config doxygen
\ No newline at end of file
+.PHONY : all begin finish end sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff doxygen clean          \
+clean_list clean_doxygen program dfu flip flip-ee dfu-ee      \
+debug gdb-config