Useful makefile template

Makefile

CXX=clang++
FILE=prog2

SRCEXT=cpp
HEADEXT=hpp

WARNINGS=-Weverything -Werror -pedantic -pedantic-errors -Wno-c++98-compat -Wno-unused-macros
CXXFLAGS=-std=c++11 -g -O0 $(WARNINGS)
PCH=-x c++-header

HPPFILES=$(shell find . -type f -name '*.$(HEADEXT)' | xargs)
PCHFILES=$(HPPFILES:=.pch)
LOOP=$(foreach pc, $(PCHFILES), $(shell echo -e -include-pch $(pc)))

all: $(FILE)

$(FILE): $(FILE).o
	$(CXX) $(CXXFLAGS) $(OBJ) $< -o $@

$(FILE).o: $(FILE).$(SRCEXT) $(PCHFILES)
	$(CXX) $(CXXFLAGS) $(LOOP) -c $<

def.hpp.pch: Pair.hpp

%.$(HEADEXT).pch: %.$(HEADEXT)
	$(CXX) $(CXXFLAGS) $(PCH) -o $@ $<

analyze:
	$(CXX) $(CXXFLAGS) --analyze -o /dev/null $(FILE).$(SRCEXT)

syntax:
	$(CXX) $(CXXFLAGS) -fsyntax-only $(FILE).$(SRCEXT)

clean-all: clean
	rm -f *.pch

clean:
	rm -f $(FILE) *.o a.out

.PHONY: clean all clean-all syntax