imgui/examples/example_glfw_opengl3/Makefile

#
# Cross Platform Makefile
# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
#
# You will need GLFW (http://www.glfw.org):
# Linux:
#   apt-get install libglfw-dev
# Mac OS X:
#   brew install glfw
# MSYS2:
#   pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw
#

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

EXE = example_glfw_opengl3
IMGUI_DIR = ../..
SOURCES = main.cpp
SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp
SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp
OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))
UNAME_S := $(shell uname -s)
LINUX_GL_LIBS = -lGL

CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends
CXXFLAGS += -g -Wall -Wformat
LIBS =

##---------------------------------------------------------------------
## OPENGL ES
##---------------------------------------------------------------------

## This assumes a GL ES library available in the system, e.g. libGLESv2.so
# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
# LINUX_GL_LIBS = -lGLESv2

##---------------------------------------------------------------------
## BUILD FLAGS PER PLATFORM
##---------------------------------------------------------------------

ifeq ($(UNAME_S), Linux) #LINUX
	ECHO_MESSAGE = "Linux"
	LIBS += $(LINUX_GL_LIBS) `pkg-config --static --libs glfw3`

	CXXFLAGS += `pkg-config --cflags glfw3`
	CFLAGS = $(CXXFLAGS)
endif

ifeq ($(UNAME_S), Darwin) #APPLE
	ECHO_MESSAGE = "Mac OS X"
	LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo
	LIBS += -L/usr/local/lib -L/opt/local/lib -L/opt/homebrew/lib
	#LIBS += -lglfw3
	LIBS += -lglfw

	CXXFLAGS += -I/usr/local/include -I/opt/local/include -I/opt/homebrew/include
	CFLAGS = $(CXXFLAGS)
endif

ifeq ($(OS), Windows_NT)
	ECHO_MESSAGE = "MinGW"
	LIBS += -lglfw3 -lgdi32 -lopengl32 -limm32

	CXXFLAGS += `pkg-config --cflags glfw3`
	CFLAGS = $(CXXFLAGS)
endif

##---------------------------------------------------------------------
## BUILD RULES
##---------------------------------------------------------------------

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

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

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

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

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

clean:
	rm -f $(EXE) $(OBJS)
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`#`
Examples: Refactored opengl_example into a glfw specific file that can be copied and pasted. Other examples will follow. 2015-03-09 19:25:15 +08:00			`# Cross Platform Makefile`
add SDL GL3 makefile 2017-07-03 10:33:13 +08:00			`# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`#`
Examples: Synced Makefile comments. Added build/ folder into git ignore list/ 2018-01-29 07:38:00 +08:00			`# You will need GLFW (http://www.glfw.org):`
			`# Linux:`
			`# apt-get install libglfw-dev`
			`# Mac OS X:`
			`# brew install glfw`
			`# MSYS2:`
			`# pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`#`

Fix Clang warning with offsetof() macro? Added -Wall in OpenGL 3 example. 2014-12-07 17:58:45 +08:00			`#CXX = g++`
Examples: Makefile leave CXX alone, instead leave commented out options. (nb: codeship doesn't seem have clang++) 2018-01-29 07:55:16 +08:00			`#CXX = clang++`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00
Examples: Renamed example folders. (#1870) 2018-06-10 21:42:14 +08:00			`EXE = example_glfw_opengl3`
Moving backends code from examples/ to backends/ (step 3: fixing project files) 2020-10-12 21:41:57 +08:00			`IMGUI_DIR = ../..`
Big example binding refactor (manually imported from Viewport branch, stripped out of Viewport code). (#1870) Read examples/README.txt for some details. ImDrawData: Added DisplayPos, DisplaySize fields honored by all backends (not strictly necessary to honor just now, but doing it to be ahead) 2018-06-09 01:37:33 +08:00			`SOURCES = main.cpp`
Tables: Add empty file, skeleton. 2020-10-07 18:04:28 +08:00			`SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp`
Moving backends code from examples/ to backends/ (step 3: fixing project files) 2020-10-12 21:41:57 +08:00			`SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp`
Do not store compiled objects outside the project tree. 2016-10-22 19:36:49 +08:00			`OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`UNAME_S := $(shell uname -s)`
Examples: Add OpenGL ES 2.0 support to modern GL examples. (#2837, #3951) 2021-03-20 21:46:38 +08:00			`LINUX_GL_LIBS = -lGL`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00
CI: Fixes for OSX + explicitely request C++11. 2022-02-16 00:06:50 +08:00			`CXXFLAGS = -std=c++11 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends`
Examples: Makefile: Tweaks so they are more consistent with each others. Added -g./opt/local includes for MacPorts on Mac OS X. (#297) 2019-04-08 05:02:07 +08:00			`CXXFLAGS += -g -Wall -Wformat`
			`LIBS =`

Examples: OpenGL: Added support for glew and glad OpenGL loaders out of the box. (#2001, #2002). Changelog, tweaks, applied changes to SDL+OpenGL3 example. 2018-08-28 21:56:03 +08:00			`##---------------------------------------------------------------------`
Backends: OpenGL3: Embed our own minimal GL loader (amends). (#4445) 2021-08-19 21:27:22 +08:00			`## OPENGL ES`
Examples: OpenGL: Added support for glew and glad OpenGL loaders out of the box. (#2001, #2002). Changelog, tweaks, applied changes to SDL+OpenGL3 example. 2018-08-28 21:56:03 +08:00			`##---------------------------------------------------------------------`

Examples: Add OpenGL ES 2.0 support to modern GL examples. (#2837, #3951) 2021-03-20 21:46:38 +08:00			`## This assumes a GL ES library available in the system, e.g. libGLESv2.so`
			`# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2`
			`# LINUX_GL_LIBS = -lGLESv2`

Examples: OpenGL: Added support for glew and glad OpenGL loaders out of the box. (#2001, #2002). Changelog, tweaks, applied changes to SDL+OpenGL3 example. 2018-08-28 21:56:03 +08:00			`##---------------------------------------------------------------------`
			`## BUILD FLAGS PER PLATFORM`
			`##---------------------------------------------------------------------`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00
			`ifeq ($(UNAME_S), Linux) #LINUX`
			`ECHO_MESSAGE = "Linux"`
Examples: Add OpenGL ES 2.0 support to modern GL examples. (#2837, #3951) 2021-03-20 21:46:38 +08:00			LIBS += $(LINUX_GL_LIBS) `pkg-config --static --libs glfw3`
Examples: Fix Makefile 2015-02-27 19:07:23 +08:00
Examples: Makefile: Tweaks so they are more consistent with each others. Added -g./opt/local includes for MacPorts on Mac OS X. (#297) 2019-04-08 05:02:07 +08:00			CXXFLAGS += `pkg-config --cflags glfw3`
Examples: Speculative Makefile fix. I should get a Linux box instead on relying on Jenkins, this is pretty embarrassing. 2015-02-27 19:19:50 +08:00			`CFLAGS = $(CXXFLAGS)`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`endif`

			`ifeq ($(UNAME_S), Darwin) #APPLE`
			`ECHO_MESSAGE = "Mac OS X"`
Examples: Makefile: Tweaks so they are more consistent with each others. Added -g./opt/local includes for MacPorts on Mac OS X. (#297) 2019-04-08 05:02:07 +08:00			`LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo`
Update example makefiles to check the new homebrew paths (#4003) Homebrew on Apple Silicon (i.e. Macbook Air/Pro M1) use `/opt/homebrew` instead of /usr/local. 2021-04-03 22:03:37 +08:00			`LIBS += -L/usr/local/lib -L/opt/local/lib -L/opt/homebrew/lib`
Examples: Makefile: Tweaks so they are more consistent with each others. Added -g./opt/local includes for MacPorts on Mac OS X. (#297) 2019-04-08 05:02:07 +08:00			`#LIBS += -lglfw3`
			`LIBS += -lglfw`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00
Update example makefiles to check the new homebrew paths (#4003) Homebrew on Apple Silicon (i.e. Macbook Air/Pro M1) use `/opt/homebrew` instead of /usr/local. 2021-04-03 22:03:37 +08:00			`CXXFLAGS += -I/usr/local/include -I/opt/local/include -I/opt/homebrew/include`
Examples: Speculative Makefile fix. I should get a Linux box instead on relying on Jenkins, this is pretty embarrassing. 2015-02-27 19:19:50 +08:00			`CFLAGS = $(CXXFLAGS)`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`endif`

Examples: Fix MinGW detection in makefiles. Fix example_null build due to missing IME input libs. (#2590) 2021-02-24 16:26:13 +08:00			`ifeq ($(OS), Windows_NT)`
Examples: Makefile: Tweaks so they are more consistent with each others. Added -g./opt/local includes for MacPorts on Mac OS X. (#297) 2019-04-08 05:02:07 +08:00			`ECHO_MESSAGE = "MinGW"`
			`LIBS += -lglfw3 -lgdi32 -lopengl32 -limm32`
add msys2/mingw64 target 2015-10-05 04:14:35 +08:00
Examples: Makefile: Tweaks so they are more consistent with each others. Added -g./opt/local includes for MacPorts on Mac OS X. (#297) 2019-04-08 05:02:07 +08:00			CXXFLAGS += `pkg-config --cflags glfw3`
			`CFLAGS = $(CXXFLAGS)`
add msys2/mingw64 target 2015-10-05 04:14:35 +08:00			`endif`

Examples: OpenGL: Added support for glew and glad OpenGL loaders out of the box. (#2001, #2002). Changelog, tweaks, applied changes to SDL+OpenGL3 example. 2018-08-28 21:56:03 +08:00			`##---------------------------------------------------------------------`
			`## BUILD RULES`
			`##---------------------------------------------------------------------`
add msys2/mingw64 target 2015-10-05 04:14:35 +08:00
Do not store compiled objects outside the project tree. 2016-10-22 19:36:49 +08:00			`%.o:%.cpp`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`$(CXX) $(CXXFLAGS) -c -o $@ $<`

Moving backends code from examples/ to backends/ (step 3: fixing project files) 2020-10-12 21:41:57 +08:00			`%.o:$(IMGUI_DIR)/%.cpp`
Big example binding refactor (manually imported from Viewport branch, stripped out of Viewport code). (#1870) Read examples/README.txt for some details. ImDrawData: Added DisplayPos, DisplaySize fields honored by all backends (not strictly necessary to honor just now, but doing it to be ahead) 2018-06-09 01:37:33 +08:00			`$(CXX) $(CXXFLAGS) -c -o $@ $<`

Moving backends code from examples/ to backends/ (step 3: fixing project files) 2020-10-12 21:41:57 +08:00			`%.o:$(IMGUI_DIR)/backends/%.cpp`
Do not store compiled objects outside the project tree. 2016-10-22 19:36:49 +08:00			`$(CXX) $(CXXFLAGS) -c -o $@ $<`

Examples: Ignore list a little more friendly to Unix systems. 2015-08-28 23:03:05 +08:00			`all: $(EXE)`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00			`@echo Build complete for $(ECHO_MESSAGE)`

Examples: Ignore list a little more friendly to Unix systems. 2015-08-28 23:03:05 +08:00			`$(EXE): $(OBJS)`
Use make variables $@ and $^ where appropriate. 2016-10-22 19:07:43 +08:00			`$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)`
added opengl3 sample, mix from @ocornut and @thelinked 2014-12-04 01:37:07 +08:00
			`clean:`
Ensure `make clean` is idempotent. Prior to this, `make clean` would fail if the project was not already fully built, and a second invokation would always fail. 2016-10-22 19:02:58 +08:00			`rm -f $(EXE) $(OBJS)`