Date: Tue, 29 May 2007 14:44:53 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Doug Barton <dougb@FreeBSD.org> Cc: freebsd-hackers@freebsd.org, Ali Mashtizadeh <mashtizadeh@gmail.com>, freebsd-current@freebsd.org, Alex Dupre <ale@FreeBSD.org> Subject: Re: Xorg port problem? Message-ID: <20070529184452.GA48484@rot13.obsecurity.org> In-Reply-To: <465BD140.20504@FreeBSD.org> References: <440b3e930705282241u44fa03a8gb0fedbb1617518df@mail.gmail.com> <465BC3A4.7030008@FreeBSD.org> <465BC507.1060902@FreeBSD.org> <465BD140.20504@FreeBSD.org>
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On Tue, May 29, 2007 at 12:07:44AM -0700, Doug Barton wrote:
> Alex Dupre wrote:
> > Doug Barton wrote:
> >>> (Over 2GBs of RAM + Swap being used). It does this consistently when =
it
> >>> tries to compile xf86PciScan.c (hope thats the right file).
> >> May not be the answer you want to hear, but I built all the xorg stuff
> >> multiple times on -current systems both pre and post the gcc + symver
> >> + version bump eras, and didn't have the problems you're seeing.
> >=20
> > It's the well-known problem of new gcc 4.2 optimizations (bug). Simply
> > compile with -O0 instead of -O2.
>=20
> Not disputing your answer, but I'm curious. Why would it cause
> problems on some systems but not others? I haven't done anything with
> my cflags ...
It wants to use ${BIGNUM} amount of memory to optimize a huge C file,
so that might be fatal (or just terminally irritating) on smaller
systems.
Kris
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