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1#
2# Cross Platform Makefile
3# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
4#
5# You will need GLFW (http://www.glfw.org):
6# Linux:
7#   apt-get install libglfw-dev
8# Mac OS X:
9#   brew install glfw
10# MSYS2:
11#   pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw
12#
13
14#CXX = g++
15#CXX = clang++
16
17EXE = example_glfw_opengl3
18IMGUI_DIR = ../..
19SOURCES = main.cpp
20SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp
21SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp
22OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))
23UNAME_S := $(shell uname -s)
24LINUX_GL_LIBS = -lGL
25
26CXXFLAGS = -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends
27CXXFLAGS += -g -Wall -Wformat
28LIBS =
29
30##---------------------------------------------------------------------
31## OPENGL ES
32##---------------------------------------------------------------------
33
34## This assumes a GL ES library available in the system, e.g. libGLESv2.so
35# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
36# LINUX_GL_LIBS = -lGLESv2
37
38##---------------------------------------------------------------------
39## BUILD FLAGS PER PLATFORM
40##---------------------------------------------------------------------
41
42ifeq ($(UNAME_S), Linux) #LINUX
43	ECHO_MESSAGE = "Linux"
44	LIBS += $(LINUX_GL_LIBS) `pkg-config --static --libs glfw3`
45
46	CXXFLAGS += `pkg-config --cflags glfw3`
47	CFLAGS = $(CXXFLAGS)
48endif
49
50ifeq ($(UNAME_S), Darwin) #APPLE
51	ECHO_MESSAGE = "Mac OS X"
52	LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo
53	LIBS += -L/usr/local/lib -L/opt/local/lib -L/opt/homebrew/lib
54	#LIBS += -lglfw3
55	LIBS += -lglfw
56
57	CXXFLAGS += -I/usr/local/include -I/opt/local/include -I/opt/homebrew/include
58	CFLAGS = $(CXXFLAGS)
59endif
60
61ifeq ($(OS), Windows_NT)
62	ECHO_MESSAGE = "MinGW"
63	LIBS += -lglfw3 -lgdi32 -lopengl32 -limm32
64
65	CXXFLAGS += `pkg-config --cflags glfw3`
66	CFLAGS = $(CXXFLAGS)
67endif
68
69##---------------------------------------------------------------------
70## BUILD RULES
71##---------------------------------------------------------------------
72
73%.o:%.cpp
74	$(CXX) $(CXXFLAGS) -c -o $@ $<
75
76%.o:$(IMGUI_DIR)/%.cpp
77	$(CXX) $(CXXFLAGS) -c -o $@ $<
78
79%.o:$(IMGUI_DIR)/backends/%.cpp
80	$(CXX) $(CXXFLAGS) -c -o $@ $<
81
82all: $(EXE)
83	@echo Build complete for $(ECHO_MESSAGE)
84
85$(EXE): $(OBJS)
86	$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)
87
88clean:
89	rm -f $(EXE) $(OBJS)
90