#
# Cross Platform Makefile
# Compatible with Ubuntu 14.04.1 and Mac OS X
#
# Linux:
#   apt-get install freeglut3-dev
#

#CXX = g++
#CXX = clang++

EXE = example_freeglut_opengl2
SOURCES = main.cpp 
SOURCES += ../imgui_impl_freeglut.cpp ../imgui_impl_opengl2.cpp
SOURCES += ../../imgui.cpp ../../imgui_demo.cpp ../../imgui_draw.cpp ../../imgui_widgets.cpp 
OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))

UNAME_S := $(shell uname -s)


ifeq ($(UNAME_S), Linux) #LINUX
	ECHO_MESSAGE = "Linux"
	LIBS = -lGL -lglut

	CXXFLAGS = -I ../ -I../..
	CXXFLAGS += -Wall -Wformat
	CFLAGS = $(CXXFLAGS)
endif

ifeq ($(UNAME_S), Darwin) #APPLE
	ECHO_MESSAGE = "Mac OS X"
	LIBS = -framework OpenGL -framework GLUT

	CXXFLAGS = -I .. -I../..
	CXXFLAGS += -Wall -Wformat
	CFLAGS = $(CXXFLAGS)
endif

ifeq ($(findstring MINGW,$(UNAME_S)),MINGW)
   ECHO_MESSAGE = "Windows"
   LIBS = -lgdi32 -lopengl32 -limm32 -lglut

   CXXFLAGS = -I ../ -I../../
   CXXFLAGS += -Wall -Wformat
   CFLAGS = $(CXXFLAGS)
endif


%.o:%.cpp
	$(CXX) $(CXXFLAGS) -c -o $@ $<

%.o:../%.cpp
	$(CXX) $(CXXFLAGS) -c -o $@ $<

%.o:../../%.cpp
	$(CXX) $(CXXFLAGS) -c -o $@ $<

all: $(EXE)
	@echo Build complete for $(ECHO_MESSAGE)

$(EXE): $(OBJS)
	$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)

clean:
	rm -f $(EXE) $(OBJS)