Gentoo Archives: gentoo-amd64

From: Mark Knecht <markknecht@×××××.com>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] gcc64 use flag
Date: Fri, 13 Jul 2007 18:33:50
Message-Id: 5bdc1c8b0707131131g7cab45cv27c96e65e3e5e0e4@mail.gmail.com
In Reply to: Re: [gentoo-amd64] gcc64 use flag by Drake Donahue
1 Thanks!
2 - Mark
3
4 On 7/13/07, Drake Donahue <donahue95@×××××××.net> wrote:
5 >
6 > ----- Original Message -----
7 > From: "Mark Knecht" <markknecht@×××××.com>
8 > To: <gentoo-amd64@l.g.o>
9 > Sent: Friday, July 13, 2007 1:51 PM
10 > Subject: [gentoo-amd64] gcc64 use flag
11 >
12 >
13 > > Hi all,
14 > > This morning I was looking at doing some updates and noticed the
15 > > gcc64 use flag on linex-headers. Although this is an AMD64 machine
16 > > I've not been using this flag and am wondering if I should be? What
17 > > exactly does it do?
18 > >
19 > > [ebuild U ] sys-kernel/linux-headers-2.6.21 [2.6.17-r2]
20 > > USE="(-gcc64%)" 4,287 kB
21 > >
22 > >
23 > > lightning ~ # emerge -pv =sys-kernel/linux-headers-2.6.17-r2
24 > >
25 > > These are the packages that would be merged, in order:
26 > >
27 > > Calculating dependencies... done!
28 > > [ebuild R ] sys-kernel/linux-headers-2.6.17-r2 USE="(-gcc64)" 0 kB
29 > >
30 > > Thanks,
31 > > Mark
32 > > --
33 > > gentoo-amd64@g.o mailing list
34 > >
35 >
36 > An old friend said:
37 >
38 > The USE flag is only effective on ppc64 and sparc where the kernel sometimes
39 > is the only code that is compiled 64bit and therefore a seperate, much
40 > smaller version of gcc is used to build the kernel. The flag should in fact
41 > be masked everywhere except for those profiles, which is what bug 144535 [1]
42 > deals with.
43 > [1] http://bugs.gentoo.org/show_bug.cgi?id=144535
44 >
45 > --
46 > Kind Regards,
47 >
48 > Simon Stelling
49 > Gentoo/AMD64 Developer
50 > --
51 > gentoo-amd64@g.o mailing list
52 >
53 > --
54 > gentoo-amd64@g.o mailing list
55 >
56 >
57 --
58 gentoo-amd64@g.o mailing list