From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1PSIXY-0005DV-3d for garchives@archives.gentoo.org; Tue, 14 Dec 2010 00:14:48 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 0EF06E07D2; Tue, 14 Dec 2010 00:14:33 +0000 (UTC) Received: from mail-yx0-f181.google.com (mail-yx0-f181.google.com [209.85.213.181]) by pigeon.gentoo.org (Postfix) with ESMTP id CE0C5E06FA for ; Tue, 14 Dec 2010 00:13:13 +0000 (UTC) Received: by yxd39 with SMTP id 39so41050yxd.40 for ; Mon, 13 Dec 2010 16:13:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:received:date:from:to :subject:message-id:mail-followup-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=39LEGs9m2mNH4MLVGHfDjY1cSiITomciir/E5ymqUbE=; b=EWxQfhcae2AA1zTfi3GNWhEu2qYZRqkBHdpYcDfVO9i6nHht9lRxP5MnkiJra+VW8T jM4rbdgNbpl4yu0DM9pdoC5ovmXr3LAsLRwuMGLP1TpXuh5MZZE71mHOOsWwVOb8kXIE /UcZR6TBCI6p+ccVjm17aTWPjChWXo3ejbjqk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:date:from:to:subject:message-id:mail-followup-to:references :mime-version:content-type:content-disposition:in-reply-to :user-agent; b=DxyYwUje+iwiEEFuKauh7bcZHmP2MUlBoAapD3jTCOPvkkg0h7a2qRog49G8iDpB3J Ydm17XURBs7ckUyMQ9nXxZ2ECbLABIJ2ZkO4Jb7BQ7A1YG1hnY6K2HExqDci/rWVefX+ 7q6r2LgO/nPqKBwKtfQs/Ai+HnUeahUhoG1PA= Received: by 10.151.15.16 with SMTP id s16mr7005259ybi.232.1292285593347; Mon, 13 Dec 2010 16:13:13 -0800 (PST) Received: from linux1 (cpe-76-183-49-63.tx.res.rr.com [76.183.49.63]) by mx.google.com with ESMTPS id p32sm2529036ybk.20.2010.12.13.16.13.09 (version=SSLv3 cipher=RC4-MD5); Mon, 13 Dec 2010 16:13:11 -0800 (PST) Sender: William Hubbs Received: by linux1 (sSMTP sendmail emulation); Mon, 13 Dec 2010 18:13:08 -0600 Date: Mon, 13 Dec 2010 18:13:08 -0600 From: William Hubbs To: gentoo-dev@lists.gentoo.org Subject: Re: [gentoo-dev] Re: Move x86/amd64 CPU extensions USE flags to a new USE_EXPAND variable Message-ID: <20101214001308.GA12928@linux1> Mail-Followup-To: gentoo-dev@lists.gentoo.org References: <20101211185758.2f12bcdf@epia.jer-c2.orkz.net> <20101212004647.21f35de7@gentoo.org> <4D04C799.6080903@gmail.com> <20101212230901.6e041667@gentoo.org> <75111292256132@web21.yandex.ru> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-dev@lists.gentoo.org Reply-to: gentoo-dev@lists.gentoo.org MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="FCuugMFkClbJLl1L" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-Archives-Salt: 597bb91e-6472-4efe-9b06-b2e67c21a9a7 X-Archives-Hash: bf455786b9aea0dc1622b0b3840b693b --FCuugMFkClbJLl1L Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi all, On Mon, Dec 13, 2010 at 07:07:10PM +0100, Francesco R wrote: > 2010/12/13 Konstantin Tokarev >=20 > > > > > > 13.12.2010, 18:53, "Francesco R" : > > > 2010/12/13 Ryan Hill > > >> On Sun, 12 Dec 2010 09:01:13 -0400 > > >> "Sergio D. Rodr?guez Inclan" wrote: > > >> > > >>> El 12/12/2010 02:46 a.m., Ryan Hill escribi?: > > >>> > I think the fewer sources of magic USE flags the better. Maybe we > > could > > >>> > document how to figure out what instruction sets a processor supp= orts > > in the > > >>> > handbook instead. > > >> > > >>> A good manual would be greatly appreciated :) > > >> > > >> I wrote a guide a couple weeks ago that might be a good starting poi= nt. > > >> > > >> http://en.gentoo-wiki.com/wiki/Hardware_CFLAGS > > > > > > if I read correctly the article on the wiki it does circa what the sc= ript > > reported below does. > > > would be possible to adopt something similar for automatic C*FLAGS > > selection if someone step in willing to take the pain to mantain it. I've been reading this thread, but I don't understand why we need to worry about this since the newer versions of gcc can figure it out automati= cally by using -march=3Dnative? Does -mcpu also have a native option for those who need to use -mcpu? William --FCuugMFkClbJLl1L Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) iEYEARECAAYFAk0GtpQACgkQblQW9DDEZTjDHACgjHIEAjGbG24DWpy3XMkmoAQn mIgAoKLWkFnMTPbwOenvjMmnYxqFU6VS =fCOx -----END PGP SIGNATURE----- --FCuugMFkClbJLl1L--