Date: Thu, 23 Mar 2000 18:39:30 -0500 (EST) From: Chuck Robey <chuckr@picnic.mat.net> To: Kris Kennaway <kris@FreeBSD.ORG> Cc: current@FreeBSD.ORG Subject: Re: Optimisation patch Message-ID: <Pine.BSF.4.21.0003231837170.47847-100000@picnic.mat.net> 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? I don't mind at all ... I was wondering about just taking out the ability to even USE -O2 in the compiler, but there're probably *some* non-kernel related reasons for using it, and we shouldn't block it at that point. Not for FreeBSD, but for some users doing their own code on FreeBSD. > > 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 > # > > ---- > In God we Trust -- all others must submit an X.509 certificate. > -- Charles Forsythe <forsythe@alum.mit.edu> > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > ---------------------------------------------------------------------------- Chuck Robey | Interests include C & Java programming, FreeBSD, chuckr@picnic.mat.net | electronics, communications, and signal processing. New Year's Resolution: I will not sphroxify gullible people into looking up fictitious words in the dictionary. ---------------------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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