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|
CC = cc
OUT = build
PLATFORM = unix
NETCOSM_SRC = $(shell cat SOURCES)
NETCOSM_OBJ := $(NETCOSM_SRC:.c=.o)
CFLAGS = -O3 -g -I src/ -I export/include -Wall -Wextra -Wshadow \
-std=c99 -fno-strict-aliasing
LDFLAGS = -lgcrypt -lev
HEADERS = src/*.h export/include/*.h
DEPS = $(NETCOSM_SRC:.c=.d)
.PHONY: all
all: $(OUT)/$(PLATFORM).bin Makefile SOURCES $(HEADERS) $(DEPS)
%.o: %.c Makefile %.d
@echo "CC $<"
@$(CC) $(CFLAGS) $(OPTFLAGS) -c $< -o $@
$(OUT)/$(PLATFORM).bin: $(NETCOSM_OBJ) $(HEADERS) Makefile
@mkdir -p $(OUT)
@echo "LD $@"
@$(CC) $(NETCOSM_OBJ) $(CFLAGS) $(LDFLAGS) -o $(OUT)/$(PLATFORM).bin
# automatically generate dependency rules
%.d : %.c
@$(CC) $(CCFLAGS) -MF"$@" -MG -MM -MP -MT"$@" -MT"$(<:.c=.o)" "$<"
# -MF write the generated dependency rule to a file
# -MG assume missing headers will be generated and don't stop with an error
# -MM generate dependency rule for prerequisite, skipping system headers
# -MP add phony target for each header to prevent errors when header is missing
# -MT add a target to the generated dependency
-include $(DEPS)
.PHONY: depend
depend: $(DEPS)
@echo "Dependencies (re)generated."
.PHONY: install
install: $(OUT)/$(PLATFORM).bin
@install $(OUT)/$(PLATFORM).bin /bin/netcosm
.PHONY: clean
clean:
@echo "Cleaning build directory..."
@rm -f $(OUT)/$(PLATFORM).bin
@rm -f $(NETCOSM_OBJ)
.PHONY: depclean
depclean:
@echo "Cleaning dependencies..."
@rm -f $(DEPS)
.PHONY: veryclean
veryclean: clean depclean
.PHONY: help
help:
@echo "Cleaning targets:"
@echo " clean - Remove object files"
@echo " depclean - Remove dependency files"
@echo " veryclean - Remove object and dependency files"
@echo "Build targets:"
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