Date: Thu, 12 Dec 2002 03:12:16 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Bjarne Wichmann Petersen <freebsd.nospam@mekanix.dk> Cc: Jens Rehsack <rehsack@liwing.de>, freebsd-ports@FreeBSD.ORG Subject: Re: optimising portsbuilds? Message-ID: <20021212111215.GA98782@rot13.obsecurity.org> In-Reply-To: <200212121041.45316.freebsd.nospam@mekanix.dk> References: <200212081100.16539.freebsd.nospam@mekanix.dk> <3DF325FD.80803@liwing.de> <200212121041.45316.freebsd.nospam@mekanix.dk>
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--UugvWAfsgieZRqgk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Dec 12, 2002 at 10:41:45AM +0100, Bjarne Wichmann Petersen wrote: > On Sunday 08 December 2002 11:59, Jens Rehsack wrote: >=20 > > > Now I'd like to get the same kind of speed and responsiveness out of > > > FreeBSD and Duron CPU. What should I parse into my /etc/make.conf to = make > > > ports? > > > > > > Bjarne > > > > make.conf(5) - and look into /etd/defaults/make.conf on 4.7-STABLE/RELE= ASE >=20 > Hmm, well yes. All I get from this is how to set the CPU-type and -O opti= ons,=20 > which I'm already using (but not sure -03 is advisable?). But reading thr= ough=20 > the gcc-manpages there is a whole list of various optimizationoptions tha= t I=20 > haven't the slightest clue to what they do and whether it'll be smart to= =20 > implement them? In general it's not. Settings above -O1 (aka -O) are also not recommended for general purpose use because they sometimes produce broken code (depending on gcc version and architecture). Using CPU-specific optimizations (set via CPUTYPE) is useful however. Kris --UugvWAfsgieZRqgk Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE9+G8PWry0BWjoQKURAis7AJsF7v+T/1BUL6DFHXYz3tgTWtaCuACg3NG8 Ax72HBEEgE8zSrl8dbhTiCo= =Bb6F -----END PGP SIGNATURE----- --UugvWAfsgieZRqgk-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ports" in the body of the message
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