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92 lines
2.6 KiB
92 lines
2.6 KiB
# |
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# Cross Platform Makefile |
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# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X |
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# |
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# Important: This is a "null backend" application, with no visible output or interaction! |
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# This is used for testing purpose and continuous integration, and has little use for end-user. |
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# |
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# Options |
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WITH_EXTRA_WARNINGS ?= 0 |
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WITH_FREETYPE ?= 0 |
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EXE = example_null |
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IMGUI_DIR = ../.. |
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SOURCES = main.cpp |
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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 |
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OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) |
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UNAME_S := $(shell uname -s) |
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CXXFLAGS += -I$(IMGUI_DIR) |
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CXXFLAGS += -g -Wall -Wformat |
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LIBS = |
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# We use the WITH_EXTRA_WARNINGS flag on our CI setup to eagerly catch zealous warnings |
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ifeq ($(WITH_EXTRA_WARNINGS), 1) |
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CXXFLAGS += -Wno-zero-as-null-pointer-constant -Wno-double-promotion -Wno-variadic-macros |
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endif |
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# We use the WITH_FREETYPE flag on our CI setup to test compiling misc/freetype/imgui_freetype.cpp |
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# (only supported on Linux, and note that the imgui_freetype code currently won't be executed) |
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ifeq ($(WITH_FREETYPE), 1) |
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SOURCES += $(IMGUI_DIR)/misc/freetype/imgui_freetype.cpp |
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CXXFLAGS += $(shell pkg-config --cflags freetype2) |
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LIBS += $(shell pkg-config --libs freetype2) |
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endif |
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##--------------------------------------------------------------------- |
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## BUILD FLAGS PER PLATFORM |
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##--------------------------------------------------------------------- |
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ifeq ($(UNAME_S), Linux) #LINUX |
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ECHO_MESSAGE = "Linux" |
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ifeq ($(WITH_EXTRA_WARNINGS), 1) |
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CXXFLAGS += -Wextra -Wpedantic |
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ifeq ($(shell $(CXX) -v 2>&1 | grep -c "clang version"), 1) |
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CXXFLAGS += -Wshadow -Wsign-conversion |
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endif |
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endif |
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CFLAGS = $(CXXFLAGS) |
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endif |
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ifeq ($(UNAME_S), Darwin) #APPLE |
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ECHO_MESSAGE = "Mac OS X" |
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ifeq ($(WITH_EXTRA_WARNINGS), 1) |
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CXXFLAGS += -Weverything -Wno-reserved-id-macro -Wno-c++98-compat-pedantic -Wno-padded -Wno-c++11-long-long -Wno-poison-system-directories |
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endif |
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CFLAGS = $(CXXFLAGS) |
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endif |
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ifeq ($(OS), Windows_NT) |
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ECHO_MESSAGE = "MinGW" |
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ifeq ($(WITH_EXTRA_WARNINGS), 1) |
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CXXFLAGS += -Wextra -Wpedantic |
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endif |
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LIBS += -limm32 |
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CFLAGS = $(CXXFLAGS) |
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endif |
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##--------------------------------------------------------------------- |
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## BUILD RULES |
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##--------------------------------------------------------------------- |
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%.o:%.cpp |
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$(CXX) $(CXXFLAGS) -c -o $@ $< |
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%.o:$(IMGUI_DIR)/%.cpp |
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$(CXX) $(CXXFLAGS) -c -o $@ $< |
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%.o:$(IMGUI_DIR)/backends/%.cpp |
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$(CXX) $(CXXFLAGS) -c -o $@ $< |
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%.o:$(IMGUI_DIR)/misc/freetype/%.cpp |
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$(CXX) $(CXXFLAGS) -c -o $@ $< |
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all: $(EXE) |
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@echo Build complete for $(ECHO_MESSAGE) |
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$(EXE): $(OBJS) |
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$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) |
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clean: |
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rm -f $(EXE) $(OBJS)
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