Makefile入门-多层目录

>>tree /f :Hello/Makefileinclude/hello.hlib/hello.cMakefilesrc/main.cMakefile

Hello/Makefile
hello:cd lib; makecd src; makegcc -Wall lib/hello.o src/main.o -o helloclean:cd lib; make cleancd src; make cleanrm hello

Hello/lib/Makefile
hello.o : helloworld.cgcc -c -o hello.o -I ../include helloworld.cclean:rm hello.o

Hello/src/Makefile
main.o : main.cgcc -c -o main.o -I ../include main.cclean:rm main.o

Hello/include/hello.h
#ifndef HELLOWORLD_H#define HELLOWORLD_Hvoid helloworld();#endif

Hello/lib/hello.c
#include void helloworld(){;}

Hello/src/main.c
#include int main(){helloworld();while(1);return 0;}

>>makecd lib; makegcc -c -o hello.o -I ../include helloworlcd src; makegcc -c -o main.o -I ../include main.cgcc -Wall lib/hello.o src/main.o -o test