Date: Tue, 8 May 2001 16:27:53 -0700 From: Alfred Perlstein <bright@wintelcom.net> To: Juha Saarinen <juha@saarinen.org> Cc: chad@DCFinc.com, kris@obsecurity.org, nuno.mailinglists@pt-quorum.com, guilherme@nortenet.pt, freebsd-stable@FreeBSD.ORG Subject: Re: CFLAGS Optimization Message-ID: <20010508162753.O18676@fw.wintelcom.net> In-Reply-To: <KPECIILENDDLPCNIMLOFAEONCDAA.juha@saarinen.org>; from juha@saarinen.org on Wed, May 09, 2001 at 11:23:07AM %2B1200 References: <200105082305.QAA04771@freeway.dcfinc.com> <KPECIILENDDLPCNIMLOFAEONCDAA.juha@saarinen.org>
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* Juha Saarinen <juha@saarinen.org> [010508 16:24] wrote: > :: Perhaps you'd be more comfortable if we changed the documentation to > :: remove all references to any -O switch with a number attached? > > Dunno. In my experience, any -O switch with a number attached creates > problems when compiling the kernel/userland on FreeBSD, so it seems > pointless to have those options. OTOH Jordan pointed out that there are some > instances for which the optflags can be useful. > > I don't know why the optflags produce broken code on FreeBSD, but not with > Linux. They can produce broken code on Linux. Please see the pgcc page that explains that -O3 includes optimizations that "can cause problems". > Aren't we sick of this thread yet? I was sick of it that last 5 times it came up. :( -- -Alfred Perlstein - [alfred@freebsd.org] Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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