SUBDIRS = images all: @set -e ;\ for dir in ${SUBDIRS} ; do \ cd $$dir ; \ make ; \ cd - ; \ done install: all @set -e; \ for dir in ${SUBDIRS} ; do \ cd $$dir ; \ make install ; \ cd - ; \ done clean: @set -e; \ for dir in ${SUBDIRS} ; do \ cd $$dir ; \ make clean ; \ cd - ; \ done