Date: Fri, 24 Mar 2000 16:48:11 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Kris Kennaway <kris@FreeBSD.ORG> Cc: current@FreeBSD.ORG Subject: Re: Optimisation patch Message-ID: <Pine.BSF.4.21.0003241632250.3942-100000@alphplex.bde.org> In-Reply-To: <Pine.BSF.4.21.0003231533240.33462-100000@freefall.freebsd.org>
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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
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