From: Zefram <zefram@fysh.org>
To: Adam Spiers <adam@spiers.net>
Cc: zsh workers mailing list <zsh-workers@sunsite.auc.dk>
Subject: Re: PATCH: Re: duplicate targets in Makefile rule
Date: Thu, 10 Feb 2000 17:11:21 +0000 (GMT) [thread overview]
Message-ID: <E12Ix7h-000322-00@crucigera.fysh.org> (raw)
In-Reply-To: <20000210170351.A19964@thelonious.new.ox.ac.uk> from Adam Spiers at "Feb 10, 2000 05:03:51 pm"
Adam Spiers wrote:
> zsh.dvi: $(sdir)/zsh.texi
>- $(TEXI2DVI) $(sdir)/zsh.texi
>+ $(TEXI2DVI) $<
Not portable: $< does not portably exist (and is not at all meaningful) in
an explicit rule. The original code here is the only safe way to do it.
The only magic make variables that can be portably relied on are $@
(the target, available in all rules) and $< (the source, in implicit
rules only).
-zefram
next prev parent reply other threads:[~2000-02-10 17:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-02-09 23:58 Adam Spiers
2000-02-10 9:57 ` Zefram
2000-02-10 13:37 ` Adam Spiers
2000-02-10 13:54 ` Andrej Borsenkow
2000-02-10 14:23 ` Adam Spiers
2000-02-10 14:31 ` Zefram
2000-02-10 15:36 ` PATCH: " Adam Spiers
2000-02-10 15:43 ` Zefram
2000-02-10 17:03 ` Adam Spiers
2000-02-10 17:11 ` Zefram [this message]
2000-02-21 2:12 ` Adam Spiers
2000-02-21 10:07 ` Zefram
2000-02-21 10:39 ` Adam Spiers
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