Date: Mon, 06 Mar 2000 13:15:45 -0700 From: Warner Losh <imp@village.org> To: chet@po.CWRU.Edu Cc: jhix@mindspring.com, Doug@gorean.org, hackers@FreeBSD.ORG Subject: Re: empty lists in for Message-ID: <200003062015.NAA61215@harmony.village.org> In-Reply-To: Your message of "Mon, 06 Mar 2000 12:09:02 EST." <1000306170902.AA22857.SM@nike.ins.cwru.edu> References: <1000306170902.AA22857.SM@nike.ins.cwru.edu>
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In message <1000306170902.AA22857.SM@nike.ins.cwru.edu> Chet Ramey writes:
: The idiomatic solution for this sort of thing is changing
: your makefile recipes from
:
: for f in ${SUBDIRS} do ...
:
: to
:
: sh_subdirs=${SUBDIRS}; for f in $$sh_subdirs ; do ...
That's much better than what I've tended to do:
for f in x ${FOO}; do
if [ $f != x ]; then
fi
done
there's lots of other workarounds, from seeing if SUBDIRS is defined,
to using make's .foreach.
Warner
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