Gentoo Archives: gentoo-dev

From: "Sergio D. Rodríguez Inclan" <srinclan@×××××.com>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Re: Move x86/amd64 CPU extensions USE flags to a new USE_EXPAND variable
Date: Sun, 12 Dec 2010 13:01:35
Message-Id: 4D04C799.6080903@gmail.com
In Reply to: [gentoo-dev] Re: Move x86/amd64 CPU extensions USE flags to a new USE_EXPAND variable by Ryan Hill
1 El 12/12/2010 02:46 a.m., Ryan Hill escribió:
2 > On Sat, 11 Dec 2010 19:01:16 +0000
3 > Matt Turner<mattst88@g.o> wrote:
4 >
5 >> On Sat, Dec 11, 2010 at 5:57 PM, Jeroen Roovers<jer@g.o> wrote:
6 >> [snip]
7 >>
8 >> I agree that this could be better. To me, most of the problems with
9 >> this are due to users not knowing which of these should be set for
10 >> their particular CPU.
11 >>
12 >> Instead of having defaults set by a profile, I'd like to figure out a
13 >> way we can have these flags set by default dependent on the user's
14 >> CPU. This might require some additional logic in portage; I don't
15 >> know.
16 > I think the fewer sources of magic USE flags the better. Maybe we could
17 > document how to figure out what instruction sets a processor supports in the
18 > handbook instead.
19 >
20 >
21 A good manual would be greatly appreciated :)
22
23 Regards,
24 Sergio.

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