CXX    = gcc
CFLAGS = -Wall -g

ifeq ($(shell uname), Darwin)
    LIBS = -framework GLUT -framework OpenGL -framework Cocoa
else
    LIBS = -lglut -lGL -lGLU
endif

FREEGLUT = /afs/nd.edu/user37/ccl/software/external/freeglut

ifneq "$(wildcard $(FREEGLUT))" ""
    INCPATH = -I$(FREEGLUT)/include
    LIBPATH = -L$(FREEGLUT)/lib
endif

all:	robot_arm

clean:
	rm -f *.o robot_arm

depend:
	rm -f Makefile.bak
	mv Makefile Makefile.bak
	sed '/^# DEPENDENCIES/,$$d' Makefile.bak > Makefile
	echo '# DEPENDENCIES' >> Makefile
	$(CXX) -MM *.c >> Makefile

.c.o: 	
	$(CXX) $(CFLAGS) $(INCPATH) -c -o $@ $<

.cc.o: 	
	$(CXX) $(CFLAGS) $(INCPATH) -c -o $@ $<

.cpp.o: 	
	$(CXX) $(CFLAGS) $(INCPATH) -c -o $@ $<

robot_arm: robot_arm.o ssg.o
	$(CXX) $(CFLAGS) $(INCPATH) -o $@ $^ $(LIBPATH) $(LIBS)

# DEPENDENCIES
robot_arm.o: robot_arm.c ssg.h
ssg.o: ssg.c ssg.h