簡易的なプログラムのためのMakefile

Makefile

CXX      := g++ -std=gnu++14
CXXFLAGS := -Wall -Wextra -O3 -march=native -DNDEBUG
LDFLAGS  := -s
TARGET   := hoge
SRCS     := $(wildcard *.cpp *.cxx *.cc)
OBJS     := $(foreach PAT,%.cpp %.cxx %.cc,$(patsubst $(PAT),%.o,$(filter $(PAT),$(SRCS))))

ifeq ($(OS),Windows_NT)
    TARGET := $(addsuffix .exe, $(TARGET))
else
    TARGET := $(addsuffix .out, $(TARGET))
endif

%.exe:
	$(CXX) $(LDFLAGS) $(filter %.c %.cpp %.cxx %.cc %.o, $^) $(LDLIBS) -o $@
%.out:
	$(CXX) $(LDFLAGS) $(filter %.c %.cpp %.cxx %.cc %.o, $^) $(LDLIBS) -o $@

.PHONY: all clean

all: $(TARGET)
$(TARGET): $(OBJS)

$(foreach SRC,$(SRCS),$(eval $(filter-out \,$(shell $(CXX) -MM $(SRC)))))

clean:
	$(RM) $(TARGET) $(OBJS)