From owner-freebsd-doc  Wed Oct  4 13:27:15 2000
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Date: Wed, 4 Oct 2000 22:26:23 +0200
From: Wolfram Schneider <bsd@panke.de.freebsd.org>
To: Jun Kuriyama <kuriyama@imgsrc.co.jp>
Cc: Doc Team <freebsd-doc@FreeBSD.ORG>
Subject: Re: current www building problem
Message-ID: <20001004222622.A1198@paula.panke.de.freebsd.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
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On 2000-10-03 14:59:04 +0900, 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?

use a temp file and rename it to the target if successfully.

.sgml.html:
 	${PREHTML} ${PREHTMLFLAGS} ${.IMPSRC} |\
 	SGML_CATALOG_FILES='' ${SGMLNORM} ${SGMLNORMFLAGS} > ${.TARGET}.tmp
	mv -f ${.TARGET}.tmp ${.TARGET}

-- 
Wolfram Schneider <wosch@freebsd.org> http://wolfram.schneider.org


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