Gentoo Archives: gentoo-dev

From: Enrico Weigelt <weigelt@×××××.de>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Replacing cpu-feature USE flags
Date: Tue, 25 Jul 2006 12:47:24
Message-Id: 20060725124037.GF3488@nibiru.local
In Reply to: Re: [gentoo-dev] Replacing cpu-feature USE flags by "Kevin F. Quinn"
1 * Kevin F. Quinn <kevquinn@g.o> schrieb:
2
3 > Where a package does run-time detection, there's no need for any
4 > conditional compilation as they build for everything anyway, so such
5 > packages wouldn't use mmx/sse/sse2 etc USE flags anyway.
6
7 Well, there are still valid reasons: if you *know* you'll run the
8 binary only on non-mmx systems, you'd probably get rid of it to
9 make the binary smaller and reduce possible points of errors.
10
11 I'd consider the runtime-detection just as an extra failsafe check.
12
13 <snip>
14
15 > There are relatively few packages affected (<1%), so I think it's worth
16 > a try. In the end it may be that a few packages need to deal with
17 > stuff manually like with the current USE flags, but they'd be local USE
18 > flags at that point.
19
20 ACK. Nobody forbids some packages having their own local useflags,
21 if really necessary.
22
23
24 cu
25 --
26 ---------------------------------------------------------------------
27 Enrico Weigelt == metux IT service - http://www.metux.de/
28 ---------------------------------------------------------------------
29 Please visit the OpenSource QM Taskforce:
30 http://wiki.metux.de/public/OpenSource_QM_Taskforce
31 Patches / Fixes for a lot dozens of packages in dozens of versions:
32 http://patches.metux.de/
33 ---------------------------------------------------------------------
34 --
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