ref: fbda4d2f6e83494a87411fff60ec4e6981ed129d dir: /lib/sys/Makefile/
.POSIX: include ../../config.mk all clean distclean: pwd=$$PWD ;\ for i in $(SYSS); \ do \ cd $$i; \ $(MAKE) -e SYS=$i $@ ;\ cd $$pwd; \ done