PROG = pyramid
OBJS = $(PROG).o math3d.o gltools.o glframe.o shader.o
CC = gcc
CFLAGS = -Wall -std=c99
DBGFLAGS = -g -O0
ifdef DEBUG
    CFLAGS += $(DBGFLAGS)
else
    CFLAGS += -O2 -march=native -mtune=native
endif
LDFLAGS = -lGLEW -lGL -lGLU -lm -lglut
SDL_CFLAGS := $(shell sdl-config --cflags)
SDL_LDFLAGS := $(shell sdl-config --libs)
SDL_image_CFLAGS := $(shell pkg-config --cflags SDL_image)
SDL_image_LDFLAGS := $(shell pkg-config --libs SDL_image)

$(PROG): $(OBJS)
	$(CC) $(LDFLAGS) $(SDL_LDFLAGS) $(SDL_image_LDFLAGS) $(OBJS) -o $@

$(PROG).o: %.o: %.c math3d.h gltools.h glframe.h
	$(CC) -c $(CFLAGS) $(SDL_CFLAGS) $(SDL_image_CFLAGS) $<

math3d.o: %.o: %.c %.h
	$(CC) -c $(CFLAGS) $<

gltools.o: %.o: %.c %.h math3d.h
	$(CC) -c $(CFLAGS) $<

glframe.o: %.o: %.c %.h math3d.h
	$(CC) -c $(CFLAGS) $<

shader.o: %.o: %.c %.h math3d.h
	$(CC) -c $(CFLAGS) $<

.PHONY: clean

clean:
	rm -f *.o ./$(PROG)