編譯所有子目錄

#編譯所有子目錄
#SUBDIRS=`ls -d */ | grep -v 'bin' | grep -v 'lib' | grep -v 'include'`
#編譯指定目錄
SUBDIRS=dir1 dir2 dir3
define make_subdir
 @for subdir in $(SUBDIRS) ; do /
 ( cd $$subdir && make $1) /
 done;
endef
all:
 $(call make_subdir , all)


install:
 $(call make_subdir , install)


debug:
 $(call make_subdir , debug)
clean:
 $(call make_subdir , clean)