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Makefile
SUBDIRS = drivers interface PROJ = proj ### Machine flags # CC_CMACH = -mmcu=cc430f5137 CC_DMACH = -D__CC430F5137__ ### Build flags # # -fdata-sections, -ffunction-sections and -Wl,--gc-sections -Wl,-s # are used for dead code elimination, see: # http://gcc.gnu.org/ml/gcc-help/2003-08/msg00128.html # CFLAGS += $(CC_CMACH) $(CC_DMACH) -Wall CFLAGS += -fno-force-addr -finline-limit=1 -fno-schedule-insns CFLAGS += -fshort-enums -Wl,-Map=output.map LDFLAGS = CFLAGS_REL += -Os -fdata-sections -ffunction-sections -fomit-frame-pointer LDFLAGS_REL += -Wl,--gc-sections -Wl,-s CFLAGS_DBG += -O1 -ggdb LDFLAGS_DBG += -Wl,--gc-sections # linker flags and include directories INCLUDES += -I./ -Igcc/ -Idrivers/ ### Build tools # CC = msp430-elf-gcc LD = msp430-elf-ld AS = msp430-elf-as AR = msp430-elf-ar BASH := $(shell which bash || which bash) .PHONY: all .PHONY: clean .PHONY: install .PHONY: config .PHONY: depend .PHONY: doc .PHONY: tags .PHONY: force all: depend config.h tags $(PROJ).elf # # Build list of sources and objects to build SRCS := $(wildcard *.c) $(foreach subdir,$(SUBDIRS), \ $(eval SRCS := $(SRCS) $(wildcard $(subdir)/*.c)) \ ) OBJS := $(patsubst %.c,%.o,$(SRCS)) # # Dependencies rules depend: $(PROJ).dep $(PROJ).dep: $(SRCS) @echo "Generating dependencies.." @touch $@ @makedepend $(INCLUDES) -Y -f $@ $^ &> /dev/null @rm -f $@.bak # # Append specific CFLAGS/LDFLAGS DEBUG := $(shell grep "^\#define CONFIG_DEBUG" config.h) ifeq ($(DEBUG),) TARGET := RELEASE CFLAGS += $(CFLAGS_REL) LDFLAGS += $(LDFLAGS_REL) else TARGET := DEBUG CFLAGS += $(CFLAGS_DBG) LDFLAGS += $(LDFLAGS_DBG) endif # rebuild if CFLAGS changed, as suggested in: # http://stackoverflow.com/questions/3236145/force-gnu-make-to-rebuild-objects-affected-by-compiler-definition/3237349#3237349 $(PROJ).cflags: force @echo "$(CFLAGS)" | cmp -s - $@ || echo "$(CFLAGS)" > $@ $(OBJS): $(PROJ).cflags # # Top rules $(PROJ).elf: $(OBJS) @echo -e "\n>> Building $@ as target $(TARGET)" @$(CC) $(CFLAGS) $(LDFLAGS) $(INCLUDES) -o $@ $+ && size $@ modinit.o: modinit.c @echo "CC $<" @$(CC) $(CFLAGS) -Wno-implicit-function-declaration \ $(INCLUDES) -c $< -o $@ %.o: %.c @echo "CC $<" @$(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@ modinit.c: @echo "Please do a 'make config' first!" && false config.h: @echo "Please do a 'make config' first!" && false tags: $(SRCS) @echo "Generating tags .." @exuberant-ctags -R install: $(PROJ).elf mspdebug -j olimex-iso-mk2 "prog $<" clean: $(SUBDIRS) @for subdir in $(SUBDIRS); do \ echo "Cleaning $$subdir .."; rm -f $$subdir/*.o; \ done @rm -f *.o $(PROJ).{elf,txt,cflags,dep} output.map doc: rm -rf doc/* doxygen Doxyfile -include $(PROJ).dep
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