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qmk-firmware
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Speed up ChibiOS keymap compilation 

By sharing the external library object files between the whole
keyboard, instead of re-compiling them for each keymap.
This commit is contained in:
Fred Sundvik 2016-07-09 20:58:19 +03:00
parent 1641743b9d
commit bf1c865c7a
1 changed files with 33 additions and 17 deletions
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50
tmk_core/rules.mk
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@ -253,6 +253,14 @@ MSG_SUBMODULE_DIRTY = $(WARN_COLOR)WARNING:$(NO_COLOR)\n \
# Define all object files.
OBJ = $(patsubst %.c,$(OBJDIR)/%.o,$(patsubst %.cpp,$(OBJDIR)/%.o,$(patsubst %.S,$(OBJDIR)/%.o,$(SRC))))
# The files in the lib folder are shared between all keymaps, so generate that folder name by removing
# the keymap from the name
KBOBJDIR=$(subst _$(KEYMAP),,$(OBJDIR))
# And fixup the object files to match
LIBOBJ = $(foreach v,$(OBJ),$(if $(findstring /lib/,$v),$v))
NONLIBOBJ := $(filter-out $(LIBOBJ),$(OBJ))
LIBOBJ := $(subst _$(KEYMAP)/,/,$(LIBOBJ))
OBJ := $(LIBOBJ) $(NONLIBOBJ)
# Define all listing files.
LST = $(patsubst %.c,$(OBJDIR)/%.lst,$(patsubst %.cpp,$(OBJDIR)/%.lst,$(patsubst %.S,$(OBJDIR)/%.lst,$(SRC))))
@ -370,20 +378,35 @@ BEGIN = gccversion check_submodule sizebefore
$(eval CMD=$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS))
@$(BUILD_CMD)
define GEN_OBJRULE
# Compile: create object files from C source files.
$(OBJDIR)/%.o : %.c | $(BEGIN)
@mkdir -p $(@D)
@$(SILENT) || printf "$(MSG_COMPILING) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -c $(ALL_CFLAGS) $< -o $@)
@$(BUILD_CMD)
$1/%.o : %.c | $(BEGIN)
@mkdir -p $$(@D)
@$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$< -o $$@)
@$$(BUILD_CMD)
# Compile: create object files from C++ source files.
$(OBJDIR)/%.o : %.cpp | $(BEGIN)
@mkdir -p $(@D)
@$(SILENT) || printf "$(MSG_COMPILING_CPP) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -c $(ALL_CPPFLAGS) $< -o $@)
$1/%.o : %.cpp | $(BEGIN)
@mkdir -p $$(@D)
@$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$< -o $$@)
@$(BUILD_CMD)
# Assemble: create object files from assembler source files.
$1/%.o : %.S | $(BEGIN)
@mkdir -p $$(@D)
@$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_ASFLAGS) $$< -o $$@)
@$$(BUILD_CMD)
endef
# Since the object files could be in two different folders, generate
# separate rules for them, rather than having too generic rules
$(eval $(call GEN_OBJRULE,$(OBJDIR)))
$(eval $(call GEN_OBJRULE,$(KBOBJDIR)))
# Compile: create assembler files from C source files.
%.s : %.c | $(BEGIN)
@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
@ -396,13 +419,6 @@ $(OBJDIR)/%.o : %.cpp | $(BEGIN)
$(eval CMD=$(CC) -S $(ALL_CPPFLAGS) $< -o $@)
@$(BUILD_CMD)
# Assemble: create object files from assembler source files.
$(OBJDIR)/%.o : %.S | $(BEGIN)
@mkdir -p $(@D)
@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -c $(ALL_ASFLAGS) $< -o $@)
@$(BUILD_CMD)
# Create preprocessed source for use in sending a bug report.
%.i : %.c | $(BEGIN)
$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
@ -486,7 +502,7 @@ $(shell mkdir $(BUILD_DIR) 2>/dev/null)
# Create object files directory
$(shell mkdir $(OBJDIR) 2>/dev/null)
$(shell mkdir $(KBOBJDIR) 2>/dev/null)
# Include the dependency files.
-include $(shell mkdir $(BUILD_DIR)/.dep 2>/dev/null) $(wildcard $(BUILD_DIR)/.dep/*)