From: Caleb Tennis <caleb@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] new global use flag and a new category
Date: Thu, 26 Aug 2004 11:46:04 -0500 [thread overview]
Message-ID: <200408261146.04221.caleb@gentoo.org> (raw)
In-Reply-To: <200408261841.32114.carlo@gentoo.org>
> On Thursday 26 August 2004 18:02, Ciaran McCreesh wrote:
> > It'd help if you explained what the heck that actually did :)
When compiling a subdirectory, it basically lumps all of the headers and
source into one big file and sends it to the compiler, which can then use all
sorts of fancy optimizations since all of the compilation units are in that
one file, vs. multiple files. It makes compilation a LOT faster and produces
much more optimized binaries, at the expense of needing much more space for
temporary files during the compile. Also, it doesn't always get tested 100%
before a release, so sometimes an #include is missing which causes the
compilation to fail.
Caleb
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gentoo-dev@gentoo.org mailing list
next prev parent reply other threads:[~2004-08-26 16:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-26 15:56 [gentoo-dev] new global use flag and a new category Carsten Lohrke
2004-08-26 16:02 ` Ciaran McCreesh
2004-08-26 16:41 ` Carsten Lohrke
2004-08-26 16:46 ` Caleb Tennis [this message]
2004-08-27 13:08 ` Mike Frysinger
2004-08-28 22:31 ` Carsten Lohrke
2004-08-29 17:44 ` Mike Frysinger
2004-08-29 18:10 ` Carsten Lohrke
2004-08-29 18:32 ` Mike Frysinger
2004-08-30 10:05 ` Paul de Vrieze
2004-08-28 9:58 ` Markus Nigbur
2004-08-29 19:42 ` Spider
2004-08-30 8:51 ` [gentoo-dev] " Duncan
2004-08-30 11:07 ` Mike Frysinger
2004-08-30 14:33 ` [gentoo-dev] " Carsten Lohrke
2004-09-01 20:47 ` William Hubbs
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