CFLAGS = -Wall -O -g CFLAGS += $(shell sdl-config --cflags) LDLIBS = $(shell sdl-config --libs) LDLIBS += $(shell pkg-config SDL_image --libs-only-l) LDFLAGS = $(shell pkg-config SDL_image --libs-only-L) .PHONY: all clean all: showimage clean: $(RM) showimage *.o showimage: showimage.o