Date: Wed, 7 Mar 2001 10:29:57 -0800 (PST) From: Matt Dillon <dillon@earth.backplane.com> To: Peter Wemm <peter@netplex.com.au> Cc: Kris Kennaway <kris@obsecurity.org>, Jordan Hubbard <jkh@osd.bsdi.com>, jkh@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: -march considered harmful? (Re: cvs commit: src/etc/defaults make.conf) Message-ID: <200103071829.f27ITvE71076@earth.backplane.com> References: <200103071111.f27BB3h75683@mobile.wemm.org>
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:I'd be a lot happier with something like:
:
:WARNING! Some folks suspect there may be problems with some CPUTYPE
:settings on the i386 family. If you are experiencing problems, please try
:turning any CPUTYPE optimizations off to eliminate it as a possibility.
:
:Cheers,
:-Peter
:--
:Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
:"All of this is for nothing if we don't go to the stars" - JMS/B5
'Warning! GCC revs have been known to be unstable with higher
optimization levels or architecture-specific (-m) optimizations. We
do not recommend that you default your system to anything other
then the basic -O optimization. Also, -O2 has historically been safe
but recent GCC revs seem to cause problems with it as well, especially
on kernel compiles, and we do not recommend it be used as a default.'
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