12 files changed, 36 insertions, 12 deletions
diff --git a/Demos/Device/LowLevel/AudioInput/makefile b/Demos/Device/LowLevel/AudioInput/makefile
index 20d0785c6..19be3658e 100644
--- a/Demos/Device/LowLevel/AudioInput/makefile
+++ b/Demos/Device/LowLevel/AudioInput/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/AudioOutput/makefile b/Demos/Device/LowLevel/AudioOutput/makefile
index c28cddf42..604cbf099 100644
--- a/Demos/Device/LowLevel/AudioOutput/makefile
+++ b/Demos/Device/LowLevel/AudioOutput/makefile
@@ -698,7 +698,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/DualVirtualSerial/makefile b/Demos/Device/LowLevel/DualVirtualSerial/makefile
index 4c1a625cb..304085904 100644
--- a/Demos/Device/LowLevel/DualVirtualSerial/makefile
+++ b/Demos/Device/LowLevel/DualVirtualSerial/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/GenericHID/makefile b/Demos/Device/LowLevel/GenericHID/makefile
index cadac8a24..3fb2175e1 100644
--- a/Demos/Device/LowLevel/GenericHID/makefile
+++ b/Demos/Device/LowLevel/GenericHID/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/Joystick/makefile b/Demos/Device/LowLevel/Joystick/makefile
index 2faa07091..b16fc5a02 100644
--- a/Demos/Device/LowLevel/Joystick/makefile
+++ b/Demos/Device/LowLevel/Joystick/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/Keyboard/makefile b/Demos/Device/LowLevel/Keyboard/makefile
index 6cc717b1c..44de3a8cb 100644
--- a/Demos/Device/LowLevel/Keyboard/makefile
+++ b/Demos/Device/LowLevel/Keyboard/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/KeyboardMouse/makefile b/Demos/Device/LowLevel/KeyboardMouse/makefile
index 7bbb9cd36..7a38dfc44 100644
--- a/Demos/Device/LowLevel/KeyboardMouse/makefile
+++ b/Demos/Device/LowLevel/KeyboardMouse/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/MIDI/makefile b/Demos/Device/LowLevel/MIDI/makefile
index 0281d4a5d..140b1050a 100644
--- a/Demos/Device/LowLevel/MIDI/makefile
+++ b/Demos/Device/LowLevel/MIDI/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/MassStorage/makefile b/Demos/Device/LowLevel/MassStorage/makefile
index a6b2f5670..f7fa71530 100644
--- a/Demos/Device/LowLevel/MassStorage/makefile
+++ b/Demos/Device/LowLevel/MassStorage/makefile
@@ -697,7 +697,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/Mouse/makefile b/Demos/Device/LowLevel/Mouse/makefile
index adb6d6be6..5a5dd99e8 100644
--- a/Demos/Device/LowLevel/Mouse/makefile
+++ b/Demos/Device/LowLevel/Mouse/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/RNDISEthernet/makefile b/Demos/Device/LowLevel/RNDISEthernet/makefile
index 99c7e3324..afc5cdcc7 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/makefile
+++ b/Demos/Device/LowLevel/RNDISEthernet/makefile
@@ -713,7 +713,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen:
diff --git a/Demos/Device/LowLevel/VirtualSerial/makefile b/Demos/Device/LowLevel/VirtualSerial/makefile
index a5e0230b3..fdef673b4 100644
--- a/Demos/Device/LowLevel/VirtualSerial/makefile
+++ b/Demos/Device/LowLevel/VirtualSerial/makefile
@@ -694,7 +694,9 @@ clean_list :
 
 doxygen:
 	@echo Generating Project Documentation \($(TARGET)\)...
-	@doxygen Doxygen.conf
+	@if ( doxygen Doxygen.conf 2>&1 | grep "warning" ;); then \
+	  exit 1; \
+	fi;
 	@echo Documentation Generation Complete.
 
 clean_doxygen: