EXES = 06scale3 04scale 02win .PHONY: all all: $(EXES) 06scale3: 06scale3.c bg01.xpm bg02.xpm gcc $< -o $@ -I /usr/include/X11 -lX11 -lXext -lm -lXpm 04scale: 04scale.c bg01.xpm bg02.xpm gcc $< -o $@ -I /usr/include/X11 -lX11 -lXext -lm -lXpm 02win: 02win.c ufo2.xpm gcc $< -o $@ -I /usr/include/X11 -lX11 -lXext -lm -lXpm .PHONY: clean clean: -rm $(EXES)