From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Glenn Morris <rgm@gnu.org>
Cc: 9372@debbugs.gnu.org, Ivan Kanis <ivan.kanis@googlemail.com>
Subject: bug#9372: 24.0.50; missing header biditype.h
Date: Fri, 26 Aug 2011 00:11:43 -0400 [thread overview]
Message-ID: <jwvbovcg6ha.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <57zkix40zh.fsf@fencepost.gnu.org> (Glenn Morris's message of "Thu, 25 Aug 2011 17:47:46 -0400")
> timestamp newer than deps/bidi.d, the latter would be regenerated before
> anything else happened. But maybe it doesn't work like that?
No, it's the opposite: the bidi.d file from previous compilation
(i.e. older) is used to guess whether bidi.c needs to be recompiled.
Basically, the problem is that the bidi.d file should contain
dependencies which say "if foo.c is newer than bidi.c, then recompile,
but if foo.c doesn't exist any more, then just ignore this rule rather
than foolishly trying to build foo.c".
I don't know if GNU make provides such a kind of dependency (tho you
can get it via ifeq trickery).
Stefan
next prev parent reply other threads:[~2011-08-26 4:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-25 17:00 bug#9372: 24.0.50; missing header biditype.h Ivan Kanis
2011-08-25 17:16 ` Glenn Morris
2011-08-25 17:22 ` Eli Zaretskii
[not found] ` <87pqjtxqvm.fsf@kanis.fr>
2011-08-25 19:04 ` Glenn Morris
2011-08-25 20:46 ` Jan Djärv
2011-08-25 21:47 ` Glenn Morris
2011-08-26 4:11 ` Stefan Monnier [this message]
2011-08-26 5:39 ` Jan Djärv
2011-08-26 6:34 ` Andreas Schwab
2011-08-26 7:15 ` Jan Djärv
2011-08-26 5:37 ` Jan Djärv
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