OS = $(shell uname -s)

CXX      = g++
CPPFLAGS =
CXXFLAGS = -O2
ifeq ($(OS), Darwin)
  LDFLAGS  = 
  LDLIBS   = -framework GLUT -framework OpenGL -framework Cocoa
else
  LDFLAGS  = -L/usr/X11R6/lib
  LDLIBS   = -lglut -lGLU -lGL
endif

PROGRAM = hello

all: $(PROGRAM)

.PHONY: test clean distclean

test: $(PROGRAM)
	./$(PROGRAM)

clean:
	@rm -rf *.o *~ *.dSYM

distclean: clean
	@rm -f $(PROGRAM)