CXX := g++ CXXFLAGS := -std=c++14 -O2 -Wall -Wno-switch SRCS := asm_file.cpp charmap.cpp preproc.cpp utf8.cpp HEADERS := asm_file.h char_util.h charmap.h preproc.h utf8.h .PHONY: clean preproc: $(SRCS) $(HEADERS) $(CXX) $(CXXFLAGS) $(SRCS) -o $@ clean: $(RM) preproc preproc.exe