From owner-freebsd-current Thu Mar 23 21:48:37 2000 Delivered-To: freebsd-current@freebsd.org Received: from gidora.zeta.org.au (gidora.zeta.org.au [203.26.10.25]) by hub.freebsd.org (Postfix) with SMTP id ECE4737B6FC for ; Thu, 23 Mar 2000 21:48:31 -0800 (PST) (envelope-from bde@zeta.org.au) Received: (qmail 25364 invoked from network); 24 Mar 2000 05:48:26 -0000 Received: from bde.zeta.org.au (203.2.228.102) by gidora.zeta.org.au with SMTP; 24 Mar 2000 05:48:26 -0000 Date: Fri, 24 Mar 2000 16:48:11 +1100 (EST) From: Bruce Evans X-Sender: bde@alphplex.bde.org To: Kris Kennaway Cc: current@FreeBSD.ORG Subject: Re: Optimisation patch In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 23 Mar 2000, Kris Kennaway wrote: > Any objections to the following? > > Index: make.conf > =================================================================== > RCS file: /home/ncvs/src/etc/defaults/make.conf,v > retrieving revision 1.101 > diff -u -u -r1.101 make.conf > --- make.conf 2000/03/22 00:49:20 1.101 > +++ make.conf 2000/03/23 23:33:13 > @@ -9,7 +9,13 @@ > # You have to find the things you can put here in the Makefiles and > # documentation of the source tree. > # > -# One, and probably the most common, use could be: > +# CFLAGS controls the compiler settings used when compiling C code. > +# Note that optimisation settings above -O (-O2, ...) are not recommended > +# or supported for compiling the world or the kernel - please revert any > +# nonstandard optimisation 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. > # > #CFLAGS= -O -pipe > # Yes. make.conf shouldn't even hint that globally changing CFLAGS is supported or good. Note that the suggested "most common use" has been bogus since -pipe was added to the default settings in rev.1.31 (1998/05/01) of sys.mk. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message