92 lines
2.6 KiB
Makefile
92 lines
2.6 KiB
Makefile
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#
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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_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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ifneq ($(WITH_EXTRA_WARNINGS), 0)
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CXXFLAGS += -Wextra -Wpedantic
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ifeq ($(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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ifneq ($(WITH_EXTRA_WARNINGS), 0)
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CXXFLAGS += -Weverything -Wno-reserved-id-macro -Wno-c++98-compat-pedantic -Wno-padded -Wno-c++11-long-long
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endif
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CFLAGS = $(CXXFLAGS)
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endif
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ifeq ($(findstring MINGW,$(UNAME_S)),MINGW)
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ECHO_MESSAGE = "MinGW"
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ifneq ($(WITH_EXTRA_WARNINGS), 0)
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CXXFLAGS += -Wextra -Wpedantic
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endif
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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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