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
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