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