Gentoo Archives: gentoo-user

From: Daniel Pielmeier <daniel.pielmeier@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] gcc 4.2 and Core 2 Duo
Date: Fri, 20 Jul 2007 19:18:58
Message-Id: 46A10732.1060102@googlemail.com
1 > march and mtune together? stupid.
2 > native when you know your CPU? Does your CHOST say 'x86_64' or nocona?
3 > mmmx, msse2, mss3 stupid. Its all part of nocona (maybe not msse3 but
4 > everything else). And fomit-frame-pointer? AFAIK superfluos on the amd64
5 > architecture, which was copied by intel - so it should be superfluos on
6 > nocona.
7
8 I think nocona is not a valid CHOST. For 32bit use
9 CHOST="i686-pc-linux-gnu" and for 64bit use CHOST="x86_64-pc-linux-gnu"
10
11
12 @ Andrew Gaydenko
13
14 Take a look here
15 http://gentoo-wiki.com/Safe_Cflags#Intel_Core_2_Duo.2FQuad_.2F_Xeon_51xx.2F53xx
16 i think this settings should be used until gcc-4.3 is out! So your
17 current settings should do it until that happens!
18
19 Regards,
20
21 Daniel
22 --
23 gentoo-user@g.o mailing list