Makefile (2683B)
1 # 2 # Cross Platform Makefile 3 # Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X 4 # 5 # Important: This is a "null backend" application, with no visible output or interaction! 6 # This is used for testing purpose and continuous integration, and has little use for end-user. 7 # 8 9 # Options 10 WITH_EXTRA_WARNINGS ?= 0 11 WITH_FREETYPE ?= 0 12 13 EXE = example_null 14 IMGUI_DIR = ../.. 15 SOURCES = main.cpp 16 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 17 OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) 18 UNAME_S := $(shell uname -s) 19 20 CXXFLAGS += -I$(IMGUI_DIR) 21 CXXFLAGS += -g -Wall -Wformat 22 LIBS = 23 24 # We use the WITH_EXTRA_WARNINGS flag on our CI setup to eagerly catch zealous warnings 25 ifeq ($(WITH_EXTRA_WARNINGS), 1) 26 CXXFLAGS += -Wno-zero-as-null-pointer-constant -Wno-double-promotion -Wno-variadic-macros 27 endif 28 29 # We use the WITH_FREETYPE flag on our CI setup to test compiling misc/freetype/imgui_freetype.cpp 30 # (only supported on Linux, and note that the imgui_freetype code currently won't be executed) 31 ifeq ($(WITH_FREETYPE), 1) 32 SOURCES += $(IMGUI_DIR)/misc/freetype/imgui_freetype.cpp 33 CXXFLAGS += $(shell pkg-config --cflags freetype2) 34 LIBS += $(shell pkg-config --libs freetype2) 35 endif 36 37 ##--------------------------------------------------------------------- 38 ## BUILD FLAGS PER PLATFORM 39 ##--------------------------------------------------------------------- 40 41 ifeq ($(UNAME_S), Linux) #LINUX 42 ECHO_MESSAGE = "Linux" 43 ifneq ($(WITH_EXTRA_WARNINGS), 0) 44 CXXFLAGS += -Wextra -Wpedantic 45 ifeq ($(shell $(CXX) -v 2>&1 | grep -c "clang version"), 1) 46 CXXFLAGS += -Wshadow -Wsign-conversion 47 endif 48 endif 49 CFLAGS = $(CXXFLAGS) 50 endif 51 52 ifeq ($(UNAME_S), Darwin) #APPLE 53 ECHO_MESSAGE = "Mac OS X" 54 ifneq ($(WITH_EXTRA_WARNINGS), 0) 55 CXXFLAGS += -Weverything -Wno-reserved-id-macro -Wno-c++98-compat-pedantic -Wno-padded -Wno-c++11-long-long 56 endif 57 CFLAGS = $(CXXFLAGS) 58 endif 59 60 ifeq ($(OS), Windows_NT) 61 ECHO_MESSAGE = "MinGW" 62 ifneq ($(WITH_EXTRA_WARNINGS), 0) 63 CXXFLAGS += -Wextra -Wpedantic 64 endif 65 LIBS += -limm32 66 CFLAGS = $(CXXFLAGS) 67 endif 68 69 ##--------------------------------------------------------------------- 70 ## BUILD RULES 71 ##--------------------------------------------------------------------- 72 73 %.o:%.cpp 74 $(CXX) $(CXXFLAGS) -c -o $@ $< 75 76 %.o:$(IMGUI_DIR)/%.cpp 77 $(CXX) $(CXXFLAGS) -c -o $@ $< 78 79 %.o:$(IMGUI_DIR)/backends/%.cpp 80 $(CXX) $(CXXFLAGS) -c -o $@ $< 81 82 %.o:$(IMGUI_DIR)/misc/freetype/%.cpp 83 $(CXX) $(CXXFLAGS) -c -o $@ $< 84 85 all: $(EXE) 86 @echo Build complete for $(ECHO_MESSAGE) 87 88 $(EXE): $(OBJS) 89 $(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS) 90 91 clean: 92 rm -f $(EXE) $(OBJS)