TARGET = 12_light_attenuation

UNAME := $(shell uname)

SRCS = $(TARGET:=.c)
OBJS = $(SRCS:.c=.o)

CC = gcc
ifdef CG_INC_PATH
  CFLAGS = -I"$(CG_INC_PATH)"
endif
ifdef CG_LIB_PATH
  CLINKFLAGS = -L"$(CG_LIB_PATH)"
endif

ifeq ($(UNAME), Darwin)
  CLINKFLAGS += -framework OpenGL -framework GLUT -framework Cg
else
  ifeq ($(findstring CYGWIN, $(UNAME)), CYGWIN)
    CFLAGS += -D_WIN32 -DGLUT_DISABLE_ATEXIT_HACK
    CFLAGS += -I"C:\Program Files\NVIDIA Corporation\Cg\include"
    CLINKFLAGS += -L"C:\Program Files\NVIDIA Corporation\Cg\lib"
    CLINKFLAGS += -lcg -lcgGL -lglut32 -lopengl32
  else
    CLINKFLAGS += -L/usr/X11R6/lib64 -L/usr/X11R6/lib
    CLINKFLAGS += -lCg -lCgGL -lglut -lGLU -lGL -lXi -lXmu -lX11 -lm -lpthread
  endif
endif

all: $(TARGET)

$(TARGET) : $(OBJS)
	$(CC) $(CFLAGS) -o $(TARGET) $(OBJS) $(CLINKFLAGS)

clean:
	$(RM) $(TARGET) $(OBJS)

clobber: clean
	$(RM) *.bak *.o *~

.PHONY: clean clobber