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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 SDL2 (http://www.libsdl.org):
6# Linux:
7#   apt-get install libsdl2-dev
8# Mac OS X:
9#   brew install sdl2
10# MSYS2:
11#   pacman -S mingw-w64-i686-SDL2
12#
13
14#CXX = g++
15#CXX = clang++
16
17EXE = example_sdl_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_sdl.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$(IMGUI_DIR)/backends
27CXXFLAGS += -g -Wall -Wformat
28LIBS =
29
30##---------------------------------------------------------------------
31## OPENGL ES
32##---------------------------------------------------------------------
33
34## This assumes a GL ES library available in the system, e.g. libGLESv2.so
35# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
36# LINUX_GL_LIBS = -lGLESv2
37## If you're on a Raspberry Pi and want to use the legacy drivers,
38## use the following instead:
39# LINUX_GL_LIBS = -L/opt/vc/lib -lbrcmGLESv2
40
41##---------------------------------------------------------------------
42## BUILD FLAGS PER PLATFORM
43##---------------------------------------------------------------------
44
45ifeq ($(UNAME_S), Linux) #LINUX
46	ECHO_MESSAGE = "Linux"
47	LIBS += $(LINUX_GL_LIBS) -ldl `sdl2-config --libs`
48
49	CXXFLAGS += `sdl2-config --cflags`
50	CFLAGS = $(CXXFLAGS)
51endif
52
53ifeq ($(UNAME_S), Darwin) #APPLE
54	ECHO_MESSAGE = "Mac OS X"
55	LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl2-config --libs`
56	LIBS += -L/usr/local/lib -L/opt/local/lib
57
58	CXXFLAGS += `sdl2-config --cflags`
59	CXXFLAGS += -I/usr/local/include -I/opt/local/include
60	CFLAGS = $(CXXFLAGS)
61endif
62
63ifeq ($(OS), Windows_NT)
64    ECHO_MESSAGE = "MinGW"
65    LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl2`
66
67    CXXFLAGS += `pkg-config --cflags sdl2`
68    CFLAGS = $(CXXFLAGS)
69endif
70
71##---------------------------------------------------------------------
72## BUILD RULES
73##---------------------------------------------------------------------
74
75%.o:%.cpp
76	$(CXX) $(CXXFLAGS) -c -o $@ $<
77
78%.o:$(IMGUI_DIR)/%.cpp
79	$(CXX) $(CXXFLAGS) -c -o $@ $<
80
81%.o:$(IMGUI_DIR)/backends/%.cpp
82	$(CXX) $(CXXFLAGS) -c -o $@ $<
83
84all: $(EXE)
85	@echo Build complete for $(ECHO_MESSAGE)
86
87$(EXE): $(OBJS)
88	$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)
89
90clean:
91	rm -f $(EXE) $(OBJS)
92