generic annotated Makefile

Makefile

# set the compiler name
CXX = g++

# set the compiler flags
#   Wall: show all warnings
#   MMD: create dependency files
#   g: compile binaries with debugging info
CXXFLAGS = -Wall -MMD -g

# object files
OBJECTS = main.o

# dependency files to keep track of objects
DEPENDS = ${OBJECTS:.o=.d}

# output filename
EXEC = filename

${EXEC}: ${OBJECTS}
	${CXX} ${CXXFLAGS} ${OBJECTS} -o ${EXEC}
-include ${DEPENDS}

# special targets
.PHONY: clean debug

# clean: remove any objects before making
clean:
	rm ${OBJECTS} ${DEPENDS} ${EXEC}

# debug: compile with DEBUG macro enabled
debug: CXXFLAGS += -DDEBUG
debug: ${EXEC}