Date: Fri, 09 Mar 2001 20:23:07 -0800 From: Peter Wemm <peter@netplex.com.au> To: Jeroen Ruigrok/Asmodai <asmodai@wxs.nl> 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: <200103100423.f2A4N7h08966@mobile.wemm.org> In-Reply-To: <20010308102658.C7727@daemon.ninth-circle.org>
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Jeroen Ruigrok/Asmodai wrote: > -On [20010307 22:00], Peter Wemm (peter@netplex.com.au) wrote: > >I just read the warning text, and IMHO it goes *way* over the top. > >There is no corresponding warning about using -O2 in CFLAGS, for example, > >and we *know* that -O2 does break things. > > Sorry? > > /etc/defaults/make.conf: > > # CFLAGS controls the compiler settings used when compiling C code. > # Note that optimization settings above -O (-O2, ...) are not recommended > # or supported for compiling the world or the kernel - please revert any > # nonstandard optimization settings to "-O" before submitting bug reports > # to the developers. > # Note also that at this time the -O2 setting is known to produce BROKEN > # CODE on the Alpha platform. > > I found that pretty explicit. Bah. Dont confuse me with the facts!! :-) 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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