Fast Makefile generation for C-binary target
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#________________________________________
# BUILD SCRIPT (don't change) |
#_______________________________________|
ifeq ($(mode),)
mode = debug
endif
ifeq ($(mode),debug)
CFLAGS := -O0 -g -DDEBUG -std=c99 -pedantic -Wextra -Wconversion $(CFLAGS)
LDFLAGS := $(LDFLAGS)
endif
ifeq ($(mode),profile)
CFLAGS := -O0 -g -DDEBUG -std=c99 -p -ftest-coverage -Wcoverage-mismatch $(CFLAGS)
LDFLAGS := -g -p $(LDFLAGS)
endif
ifeq ($(mode),develop)
CFLAGS := -O2 -g -DDEBUG -std=c99 $(CFLAGS)
LDFLAGS := -O1 $(LDFLAGS)
endif
ifeq ($(mode),release)
CFLAGS := -O2 -std=c99 $(CFLAGS)
LDFLAGS := -O1 $(LDFLAGS)
endif
CFLAGS += -Wall $(INCLUDES)
LDFLAGS += -Wall
all:
@make change_make_options &>/dev/null
+make $(TARGETS)
ifneq ($(mode),debug)
ifneq ($(mode),profile)
ifneq ($(mode),develop)
ifneq ($(mode),release)
@echo "Invalid build mode."
@echo "Please use 'make mode=release', 'make mode=develop', 'make mode=profile' or 'make mode=debug'"
@exit 1
endif
endif
endif
endif
@echo ".........................."
@echo "Building on "$(mode)" mode "
@echo "CFLAGS=$(CFLAGS)"
@echo "LDFLAGS=$(LDFLAGS)"
@echo ".........................."
OLD_BUILD_MODE=$(shell grep ^MODE make_options.out 2>/dev/null | sed 's~^MODE=~~')
OLD_BUILD_CFLAGS=$(shell grep ^CFLAGS make_options.out 2>/dev/null | sed 's~^CFLAGS=~~')
OLD_BUILD_LDFLAGS=$(shell grep ^LDFLAGS make_options.out 2>/dev/null | sed 's~^LDFLAGS=~~')
change_make_options:
ifneq ($(mode)|$(CFLAGS)|$(LDFLAGS), $(OLD_BUILD_MODE)|$(OLD_BUILD_CFLAGS)|$(OLD_BUILD_LDFLAGS))
@echo CLEANING...
@make clean
@echo "MODE=$(mode)" > make_options.out
@echo "CFLAGS=$(CFLAGS)" >> make_options.out
@echo "LDFLAGS=$(LDFLAGS)" >> make_options.out
endif
%.o :
$(CC) -c $(CFLAGS) $(SRC) -o $@ $<
clean:
$(RM) *.o *.out callgrind.out.* *.gcno $(TARGETS)
.PHONY: all change_make_options clean