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authorcbbrowne <cbbrowne@cbbrowne.tor.int-afilias.info>2016-08-10 11:36:37 -0400
committercbbrowne <cbbrowne@cbbrowne.tor.int-afilias.info>2016-08-10 11:36:37 -0400
commit83913f9197042839c9eaf262f4933262d7db6bbb (patch)
treecf8098ac8ed254b0f417bc8db292079933f7b5a7 /lib/lufa
parent6a618fd44d076ae86d9c2a3414358ae9f3632ba8 (diff)
parent2a160bbbe3ad496dd688f4399ab2b8d127c0b8a7 (diff)
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Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware
Diffstat (limited to 'lib/lufa')
0 files changed, 0 insertions, 0 deletions
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ifndef VERBOSE
.SILENT:
endif

# Never run this makefile in parallel, as it could screw things up
# It won't affect the submakes, so you still get the speedup from specifying -jx
.NOTPARALLEL:

# Allow the silent with lower caps to work the same way as upper caps
ifdef silent
    SILENT = $(silent)
endif

ifdef SILENT
    SUB_IS_SILENT := $(SILENT)
endif

# We need to make sure that silent is always turned off at the top level
# Otherwise the [OK], [ERROR] and [WARN] messages won't be displayed correctly
override SILENT := false

ifndef SUB_IS_SILENT
QMK_VERSION := $(shell git describe --abbrev=0 --tags 2>/dev/null)
ifneq ($(QMK_VERSION),)
$(info QMK Firmware $(QMK_VERSION))
endif
endif

ON_ERROR := error_occurred=1

BREAK_ON_ERRORS = no

STARTING_MAKEFILE := $(firstword $(MAKEFILE_LIST))
ROOT_MAKEFILE := $(lastword $(MAKEFILE_LIST))
ROOT_DIR := $(dir $(ROOT_MAKEFILE))
ifeq ($(ROOT_DIR),)
    ROOT_DIR := .
endif
ABS_STARTING_MAKEFILE := $(abspath $(STARTING_MAKEFILE))
ABS_ROOT_MAKEFILE := $(abspath $(ROOT_MAKEFILE))
ABS_STARTING_DIR := $(dir $(ABS_STARTING_MAKEFILE))
ABS_ROOT_DIR := $(dir $(ABS_ROOT_MAKEFILE))
STARTING_DIR := $(subst $(ABS_ROOT_DIR),,$(ABS_STARTING_DIR))
BUILD_DIR := $(ROOT_DIR)/.build
TEST_DIR := $(BUILD_DIR)/test
ERROR_FILE := $(BUILD_DIR)/error_occurred

MAKEFILE_INCLUDED=yes

# Helper function to process the newt element of a space separated path
# It works a bit like the traditional functional head tail
# so the CURRENT_PATH_ELEMENT will become the new head
# and the PATH_ELEMENTS are the rest that are still unprocessed
define NEXT_PATH_ELEMENT
    $$(eval CURRENT_PATH_ELEMENT := $$(firstword  $$(PATH_ELEMENTS)))
    $$(eval PATH_ELEMENTS := $$(wordlist  2,9999,$$(PATH_ELEMENTS)))
endef

# We change the / to spaces so that we more easily can work with the elements
# separately
PATH_ELEMENTS := $(subst /, ,$(STARTING_DIR))
# Initialize the path elements list for further processing
$(eval $(call NEXT_PATH_ELEMENT))

# This function sets the KEYBOARD; KEYMAP and SUBPROJECT to the correct
# variables depending on which directory you stand in.
# It's really a very simple if else chain, if you squint enough,
# but the makefile syntax makes it very verbose.
# If we are in a subfolder of keyboards
#
# *** No longer needed **
#
# ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
#     $(eval $(call NEXT_PATH_ELEMENT))
#     KEYBOARD := $(CURRENT_PATH_ELEMENT)
#     $(eval $(call NEXT_PATH_ELEMENT))
#     # If we are in a subfolder of keymaps, or in other words in a keymap
#     # folder
#     ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
#         $(eval $(call NEXT_PATH_ELEMENT))
#         KEYMAP := $(CURRENT_PATH_ELEMENT)
#      # else if we are not in the keyboard folder itself
#     else ifneq ($(CURRENT_PATH_ELEMENT),)
#         # the we can assume it's a subproject, as no other folders
#         # should have make files in them
#         SUBPROJECT := $(CURRENT_PATH_ELEMENT)
#         $(eval $(call NEXT_PATH_ELEMENT))
#         # if we are inside a keymap folder of a subproject
#         ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
#             $(eval $(call NEXT_PATH_ELEMENT))
#             KEYMAP := $(CURRENT_PATH_ELEMENT)
#         endif
#     endif
# endif

define GET_KEYBOARDS
    All_RULES_MK := $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/rules.mk))
    All_RULES_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/rules.mk))
    All_RULES_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/rules.mk))
    All_RULES_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/*/rules.mk))

    KEYMAPS_MK := $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/keymaps/*/rules.mk))
    KEYMAPS_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/keymaps/*/rules.mk))
    KEYMAPS_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/keymaps/*/rules.mk))
    KEYMAPS_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/*/keymaps/*/rules.mk))

    KEYBOARDS := $$(sort $$(filter-out $$(KEYMAPS_MK), $$(All_RULES_MK)))
endef

$(eval $(call GET_KEYBOARDS))

# Only consider folders with makefiles, to prevent errors in case there are extra folders
#KEYBOARDS += $(patsubst $(ROOD_DIR)/keyboards/%/rules.mk,%,$(wildcard $(ROOT_DIR)/keyboards/*/*/rules.mk))

.PHONY: list-keyboards
list-keyboards:
	echo $(KEYBOARDS)

define PRINT_KEYBOARD
	$(info $(PRINTING_KEYBOARD))
endef

.PHONY: generate-keyboards-file
generate-keyboards-file:
	$(foreach PRINTING_KEYBOARD,$(KEYBOARDS),$(eval $(call PRINT_KEYBOARD)))

.PHONY: clean
clean:
	echo -n 'Deleting .build/ ... '
	rm -rf $(BUILD_DIR)
	echo 'done.'

.PHONY: distclean
distclean: clean
	echo -n 'Deleting *.bin and *.hex ... '
	rm -f *.bin *.hex
	echo 'done.'

#Compatibility with the old make variables, anything you specify directly on the command line
# always overrides the detected folders
ifdef keyboard
    KEYBOARD := $(keyboard)
endif
ifdef keymap
    KEYMAP := $(keymap)
endif

# Uncomment these for debugging
# $(info Keyboard: $(KEYBOARD))
# $(info Keymap: $(KEYMAP))
# $(info Subproject: $(SUBPROJECT))
# $(info Keyboards: $(KEYBOARDS))


# Set the default goal depending on where we are running make from
# this handles the case where you run make without any arguments
.DEFAULT_GOAL := all:all
ifneq ($(KEYMAP),)
    .DEFAULT_GOAL := $(KEYBOARD):$(KEYMAP)
else ifneq ($(KEYBOARD),)
     # Inside a keyboard folder, build all keymaps for all subprojects
     # Note that this is different from the old behaviour, which would
     # build only the default keymap of the default keyboard
    .DEFAULT_GOAL := $(KEYBOARD):all
endif


# Compare the start of the RULE variable with the first argument($1)
# If the rules equals $1 or starts with $1:, RULE_FOUND is set to true
#     and $1 is removed from the RULE variable
# Otherwise the RULE_FOUND variable is set to false, and RULE left as it was
# The function is a bit tricky, since there's no built in $(startswith) function
define COMPARE_AND_REMOVE_FROM_RULE_HELPER
    ifeq ($1,$$(RULE))
        RULE:=
        RULE_FOUND := true
    else
        STARTCOLON_REMOVED=$$(subst START$1:,,START$$(RULE))
        ifneq ($$(STARTCOLON_REMOVED),START$$(RULE))
            RULE_FOUND := true
            RULE := $$(STARTCOLON_REMOVED)
        else
            RULE_FOUND := false
        endif
    endif
endef

# This makes it easier to call COMPARE_AND_REMOVE_FROM_RULE, since it makes it behave like
# a function that returns the value
COMPARE_AND_REMOVE_FROM_RULE = $(eval $(call COMPARE_AND_REMOVE_FROM_RULE_HELPER,$1))$(RULE_FOUND)


# Recursively try to find a match for the start of the rule to be checked
# $1 The list to be checked
# If a match is found, then RULE_FOUND is set to true
# and MATCHED_ITEM to the item that was matched
define TRY_TO_MATCH_RULE_FROM_LIST_HELPER3
    ifneq ($1,)
        ifeq ($$(call COMPARE_AND_REMOVE_FROM_RULE,$$(firstword $1)),true)
            MATCHED_ITEM := $$(firstword $1)
        else
            $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER3,$$(wordlist 2,9999,$1)))
        endif
    endif
endef

# A recursive helper function for finding the longest match
# $1 The list to be checked
# It works by always removing the currently matched item from the list
# and call itself recursively, until a match is found
define TRY_TO_MATCH_RULE_FROM_LIST_HELPER2
    # Stop the recursion when the list is empty
    ifneq ($1,)
        RULE_BEFORE := $$(RULE)
        $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER3,$1))
        # If a match is found in the current list, otherwise just return what we had before
        ifeq ($$(RULE_FOUND),true)
            # Save the best match so far and call itself recursively
            BEST_MATCH := $$(MATCHED_ITEM)
            BEST_MATCH_RULE := $$(RULE)
            RULE_FOUND := false
            RULE := $$(RULE_BEFORE)
            $$(eval $$(call TRY_TO_MATCH_RULE_FROM_LIST_HELPER2,$$(filter-out $$(MATCHED_ITEM),$1)))