From owner-freebsd-doc  Tue Oct  3 18:42:29 2000
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Date: Wed, 4 Oct 2000 03:42:18 +0200
From: Neil Blakey-Milner <nbm@mithrandr.moria.org>
To: Jun Kuriyama <kuriyama@imgsrc.co.jp>
Cc: Doc Team <freebsd-doc@FreeBSD.org>
Subject: Re: current www building problem
Message-ID: <20001004034217.A75196@mithrandr.moria.org>
References: <7maecmea8n.wl@waterblue.imgsrc.co.jp>
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In-Reply-To: <7maecmea8n.wl@waterblue.imgsrc.co.jp>; from kuriyama@imgsrc.co.jp on Tue, Oct 03, 2000 at 02:59:04PM +0900
Organization: Sunesi Clinical Systems
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On Tue 2000-10-03 (14:59), Jun Kuriyama wrote:
> Current web.mk has following target.
> 
> .sgml.html:
> 	${PREHTML} ${PREHTMLFLAGS} ${.IMPSRC} |\
> 	SGML_CATALOG_FILES='' ${SGMLNORM} ${SGMLNORMFLAGS} > ${.TARGET}
> 
> But if $SGMLNORM fails, broken ${.TARGET} is created.  And if we type
> "make" again, it finishes successfully because ${.TARGET} is newer
> than ${.IMPSRC}.
> 
> How should we do to remove ${.TARGET} if it fails?  One idea is:
> 
> .sgml.html:
> 	(${PREHTML} ${PREHTMLFLAGS} ${.IMPSRC} |\
> 	 SGML_CATALOG_FILES='' ${SGMLNORM} ${SGMLNORMFLAGS} > ${.TARGET})\
> 	|| rm -f ${.TARGET}
> 
> but it seems dirty...  Does anyone have good idea?

I've noticed this too (and boy is it irritating).

One thing to consider - you must have ``|| (rm -f ${.TARGET}; exit 1)'',
not ``|| rm -f ${.TARGET}'', or you'll just carry on going.  I thought
``.PRECIOUS'' was supposed to solve this for you, but it doesn't look
that way.

If noone comes up with an alternative, I think we should just live with
ugly.

Cheers,

Neil
-- 
Neil Blakey-Milner
Sunesi Clinical Systems
nbm@mithrandr.moria.org


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