CFLAGS = -std=c99 -O2 -DNDEBUG -fprofile-generate

all: gc

.PHONY: all clean

ifneq (,$(wildcard *.gcda *.gcno))
CFLAGS += -fprofile-use
dummy := $(shell rm -f gc)
endif

clean:
	-rm -f gc gc.gcda gc.gcno

gc: gc.c