X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=tmk_core%2Frules.mk;h=ebcd372cacf7816ae384ae77f764e54d8d4016d5;hb=84bfb195545b0ba527f34c386d15d6f732a28de7;hp=2bf2a109fb4747e9639218fb1d73cbdea5146f21;hpb=7559edc6e618c7d152b71eac1636a3e63bd3a07d;p=qmk_firmware.git diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk index 2bf2a109f..ebcd372ca 100644 --- a/tmk_core/rules.mk +++ b/tmk_core/rules.mk @@ -15,6 +15,16 @@ # Carlos Lamas # +# Enable vpath seraching for source files only +# Without this, output files, could be read from the wrong .build directories +VPATH_SRC := $(VPATH) +vpath %.c $(VPATH_SRC) +vpath %.h $(VPATH_SRC) +vpath %.cpp $(VPATH_SRC) +vpath %.hpp $(VPATH_SRC) +vpath %.S $(VPATH_SRC) +VPATH := + # Output format. (can be srec, ihex, binary) FORMAT = ihex @@ -71,7 +81,7 @@ BUILD_CMD = LOG=$$($(CMD) 2>&1) ; if [ $$? -gt 0 ]; then $(PRINT_ERROR); elif [ # Each directory must be seperated by a space. # Use forward slashes for directory separators. # For a directory that has spaces, enclose it in quotes. -EXTRAINCDIRS += $(subst :, ,$(VPATH)) +EXTRAINCDIRS += $(subst :, ,$(VPATH_SRC)) # Compiler flag to set the C Standard level. @@ -253,6 +263,14 @@ 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)))) @@ -260,16 +278,18 @@ LST = $(patsubst %.c,$(OBJDIR)/%.lst,$(patsubst %.cpp,$(OBJDIR)/%.lst,$(patsubst # Compiler flags to generate dependency files. #GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d -GENDEPFLAGS = -MMD -MP -MF $(BUILD_DIR)/.dep/$(subst /,_,$(subst $(BUILD_DIR)/,,$@)).d +GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@) # Combine all necessary flags and optional flags. # Add target processor to flags. # You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar -ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS) -ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS) +ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS) +ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(EXTRAFLAGS) ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS) +MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@) + # Default target. all: build sizeafter @@ -365,25 +385,65 @@ BEGIN = gccversion check_submodule sizebefore # Link: create ELF output file from object files. .SECONDARY : $(BUILD_DIR)/$(TARGET).elf .PRECIOUS : $(OBJ) -%.elf: $(OBJ) | $(BEGIN) +# Note the obj.txt depeendency is there to force linking if a source file is deleted +%.elf: $(OBJ) $(OBJDIR)/cflags.txt $(OBJDIR)/ldflags.txt $(OBJDIR)/obj.txt | $(BEGIN) @$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD) - $(eval CMD=$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)) + $(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --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 $1/%.d $1/cflags.txt | $(BEGIN) + @mkdir -p $$(@D) + @$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD) + $$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP)) + @$$(BUILD_CMD) # Compile: create object files from C++ source files. -$(OBJDIR)/%.o : %.cpp | $(BEGIN) - @mkdir -p $(@D) - @$(SILENT) || printf "$(MSG_COMPILING_CPP) $<" | $(AWK_CMD) - $(eval CMD=$(CC) -c $(ALL_CPPFLAGS) $< -o $@) +$1/%.o : %.cpp $1/%.d $1/cppflags.txt | $(BEGIN) + @mkdir -p $$(@D) + @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD) + $$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP)) @$(BUILD_CMD) +# Assemble: create object files from assembler source files. +$1/%.o : %.S $1/asflags.txt | $(BEGIN) + @mkdir -p $$(@D) + @$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD) + $$(eval CMD=$$(CC) -c $$(ALL_ASFLAGS) $$< -o $$@) + @$$(BUILD_CMD) + +$1/force: + +$1/cflags.txt: $1/force + echo '$$(ALL_CFLAGS)' | cmp -s - $$@ || echo '$$(ALL_CFLAGS)' > $$@ + +$1/cppflags.txt: $1/force + echo '$$(ALL_CPPFLAGS)' | cmp -s - $$@ || echo '$$(ALL_CPPFLAGS)' > $$@ + +$1/asflags.txt: $1/force + echo '$$(ALL_ASFLAGS)' | cmp -s - $$@ || echo '$$(ALL_ASFLAGS)' > $$@ + +$1/ldflags.txt: $1/force + echo '$$(LDFLAGS)' | cmp -s - $$@ || echo '$$(LDFLAGS)' > $$@ + +$1/obj.txt: $1/force + echo '$$(OBJ)' | cmp -s - $$@ || echo '$$(OBJ)' > $$@ + +endef + +# We have to use static rules for the .d files for some reason +DEPS = $(patsubst %.o,%.d,$(OBJ)) +# Keep the .d files +.PRECIOUS: $(DEPS) +# Empty rule to force recompilation if the .d file is missing +$(DEPS): + +# 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) @@ -396,19 +456,12 @@ $(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 $@ # Target: clean project. -clean: +clean: show_path: @echo VPATH=$(VPATH) @@ -486,10 +539,10 @@ $(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/*) +-include $(patsubst %.o,%.d,$(OBJ)) # Listing of phony targets.