CXX    = g++
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:	demo

clean:
	rm -f *.o demo

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

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

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

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

demo:	main.o drawable_circle.o drawable_star.o drawable_initials.o color.o utils.o
	$(CXX) $(CFLAGS) $(INCPATH) -o $@ $^ $(LIBPATH) $(LIBS)

# DEPENDENCIES
color.o: color.cc color.h
drawable_circle.o: drawable_circle.cc drawable_circle.h drawable.h \
  color.h point.h utils.h
drawable_initials.o: drawable_initials.cc drawable_initials.h drawable.h \
  color.h point.h utils.h
drawable_star.o: drawable_star.cc drawable_star.h drawable.h color.h \
  point.h
main.o: main.cc drawable.h color.h point.h drawable_circle.h \
  drawable_star.h drawable_initials.h
utils.o: utils.cc utils.h