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-SDL
12#
13
14#CXX = g++
15#CXX = clang++
16
17EXE = example_sdl_opengl3
18SOURCES = main.cpp
19SOURCES += ../imgui_impl_sdl.cpp ../imgui_impl_opengl3.cpp
20SOURCES += ../../imgui.cpp ../../imgui_demo.cpp ../../imgui_draw.cpp ../../imgui_widgets.cpp
21OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))
22UNAME_S := $(shell uname -s)
23
24##---------------------------------------------------------------------
25## OPENGL LOADER
26##---------------------------------------------------------------------
27
28## Using OpenGL loader: gl3w [default]
29SOURCES += ../libs/gl3w/GL/gl3w.c
30CXXFLAGS = -I../libs/gl3w
31
32## Using OpenGL loader: glew
33## (This assumes a system-wide installation)
34# CXXFLAGS = -lGLEW -DIMGUI_IMPL_OPENGL_LOADER_GLEW
35
36## Using OpenGL loader: glad
37## (You'll also need to change the rule at line ~77 of this Makefile to compile/link glad.c/.o)
38# SOURCES += ../libs/glad/src/glad.c
39# CXXFLAGS = -I../libs/glad/include -DIMGUI_IMPL_OPENGL_LOADER_GLAD
40
41##---------------------------------------------------------------------
42## BUILD FLAGS PER PLATFORM
43##---------------------------------------------------------------------
44
45ifeq ($(UNAME_S), Linux) #LINUX
46	ECHO_MESSAGE = "Linux"
47	LIBS = -lGL -ldl `sdl2-config --libs`
48
49	CXXFLAGS = -I../ -I../../ -I../libs/gl3w `sdl2-config --cflags`
50	CXXFLAGS += -Wall -Wformat
51	CFLAGS = $(CXXFLAGS)
52endif
53
54ifeq ($(UNAME_S), Darwin) #APPLE
55	ECHO_MESSAGE = "Mac OS X"
56	LIBS = -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl2-config --libs`
57
58	CXXFLAGS = -I../ -I../../ -I../libs/gl3w -I/usr/local/include `sdl2-config --cflags`
59	CXXFLAGS += -Wall -Wformat
60	CFLAGS = $(CXXFLAGS)
61endif
62
63ifeq ($(findstring MINGW,$(UNAME_S)),MINGW)
64   ECHO_MESSAGE = "Windows"
65   LIBS = -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl2`
66
67   CXXFLAGS = -I../ -I../../ -I../libs/gl3w `pkg-config --cflags sdl2`
68   CXXFLAGS += -Wall -Wformat
69   CFLAGS = $(CXXFLAGS)
70endif
71
72##---------------------------------------------------------------------
73## BUILD RULES
74##---------------------------------------------------------------------
75
76%.o:%.cpp
77	$(CXX) $(CXXFLAGS) -c -o $@ $<
78
79%.o:../%.cpp
80	$(CXX) $(CXXFLAGS) -c -o $@ $<
81
82%.o:../../%.cpp
83	$(CXX) $(CXXFLAGS) -c -o $@ $<
84
85%.o:../libs/gl3w/GL/%.c
86	$(CC) $(CFLAGS) -c -o $@ $<
87
88all: $(EXE)
89	@echo Build complete for $(ECHO_MESSAGE)
90
91$(EXE): $(OBJS)
92	$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)
93
94clean:
95	rm -f $(EXE) $(OBJS)
96