makefile

1 . makefile 多层路径

all:
        $(waring "1111")
        make -C A
        make -C B

子目录 A makefile

all:
        $(warning "make A")

B的

all:
        $(warning "make B")

make 结果:

make -C A
make[1]: Entering directory `/home/~/ap/code/study/mf/A'
makefile:2: "make A"
make[1]: `all' is up to date.
make[1]: Leaving directory `/home/~/ap/code/study/mf/A'
make -C B
make[1]: Entering directory `/home/~/ap/code/study/mf/B'
makefile:2: "make B"
make[1]: `all' is up to date.
make[1]: Leaving directory `/home/~/ap/code/study/mf/B'

方括号里的东西可以看到进入子目录的

 

openwrt的编辑

http://www.cnblogs.com/sammei/p/3968916.html