MACHINE= $(shell uname -s)

ifeq ($(MACHINE),Darwin)
    OPENGL_INC= -FGLUT -FOpenGL
    OPENGL_LIB= -framework OpenGL -framework GLUT
else
    OPENGL_INC= -I/usr/X11R6/include
    OPENGL_LIB= -I/usr/lib64 -lglut -lGLEW
endif

SDL_INC= `sdl-config --cflags`
SDL_LIB= `sdl-config --libs`

INCLUDE= $(SDL_INC) $(OPENGL_INC)
LIBS= $(SDL_LIB) $(OPENGL_LIB)

geometry_wars : rectangle.o game_objects.o DVector2d.o utils.o main.cpp
    g++ main.cpp -o geometry_wars rectangle.o game_objects.o DVector2d.o utils.o $(LIBS) $(INCLUDE)

game_objects.o :
    g++ -c game_objects.cpp

DVector2d.o :
    g++ -c DVector2d.cpp

rectangle.o :
    g++ -c rectangle.cpp

utils.o :
    g++ -c utils.cpp

clean :
    -rm *.o geometry_wars