XFLAGS = -L/usr/X11R6/lib -lX11
GLFLAGS = -lGLU -lglut -lGL
LDFLAGS = ${XFLAGS} ${GLFLAGS}  -lm
CFLAGS = -g -I/usr/X11R6/include 

TARGETS= hello double lightlab 

all::${TARGETS}

proj3: proj3.c
	gcc ${CFLAGS} -o $@ $< ${LDFLAGS}

clean:
	rm -f core ${TARGETS}