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Date: Sun, 11 Jun 1995 23:24:43 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199506111324.XAA10871@godzilla.zeta.org.au>
To: freebsd-hackers@freebsd.org
Subject: Re: Posix [Was: Re: make doesn't like lines with a tab only]
Sender: hackers-owner@freebsd.org
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>But make it issuing a warning anyway.  Posix neither clearly allows it

Don't.

>nor does it clearly forbide it (it's only saying about "<tab>command",
>and there's never a definition saying the empty string were a valid
>command or not; at least, it's a very useless one).  The warning will

It's up to the shell to decide if an empty command is valid.  If `make'
decides (as an optimization to avoid execing the shell to do nothing)
then it must get it right.

Bruce