Date: Mon, 4 Jul 2005 03:53:37 +0200 From: Danny Pansters <danny@ricin.com> To: freebsd-ports@freebsd.org Subject: Re: HEADS UP: Ports are not ready for CFLAGS=-O2 in 6.0 Message-ID: <200507040353.37798.danny@ricin.com> In-Reply-To: <20050704013948.GA47038@xor.obsecurity.org> References: <20050703055842.GA1933@xor.obsecurity.org> <001401c57ff4$6f429730$0b2a15ac@SMILEY> <20050704013948.GA47038@xor.obsecurity.org>
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On Monday 4 July 2005 03:39, Kris Kennaway wrote: > On Sun, Jul 03, 2005 at 10:27:04AM -0700, Darren Pilgrim wrote: > > From: Kris Kennaway > > > > > On Sat, Jul 02, 2005 at 09:47:44PM -0700, Adam Weinberger wrote: > > > > Kris Kennaway wrote: > > > > >About a week ago des changed the default value of CFLAGS to "-O2 > > > > >-pipe" on FreeBSD 6.0-CURRENT. While this is believed to be safe > > > > >for compiling world + kernel on -CURRENT thesedays (because the > > > > >aliasing bugs that are exposed with -O2 have been fixed), it's > > > > >definitely *not* safe for compiling many ports (there are at > > > > >least 350 ports that emit warnings about aliasing, and would > > > > >probably have runtime errors when compiled with -O2; moreover, a > > > > >number of ports fail to even build with -O2). > > > > > > > > > >Therefore, if you compile ports on FreeBSD 6.0, you should set > > > > >CFLAGS=-O -pipe in your /etc/make.conf for now, until we can > > > > >resolve this problem more satisfactorily. > > > > <...> > > > > > P.S. The problem is only if you build without > > > -fno-strict-alias, which is the default now. > > > > Is that to say, then, that ports will build and run safely if you use > > CFLAGS=-O2 -pipe -fno-strict-alias? > > As per the quoted thread from last year, and the default CFLAGS > settings, yes :-) > > Kris Barring any time machine bugs (in such cases you MAY be stuck in a singularity). Either way your warranty is probably void. Sorry, we told you. Like a year ago. Might be a feature.. mailinglist flashbacks :) Dan
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