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olger901
l33t
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Joined: 17 Mar 2005
Posts: 625

PostPosted: Mon Sep 19, 2005 11:16 am    Post subject: Problem with USE Flags Reply with quote

Hi all

I am running an AMD64 laptop and am trying to re-emerge xorg-x11 and I set the useflags 3dnow mmx sse sse2.
However when I do emerge -pv xorg-x11 it shows me (-3dnow) (-mmx) (-sse)

Is there any way to force to use these use flags? Or what is the problem?
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loki99
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Joined: 10 Oct 2003
Posts: 2056
Location: Vienna, €urope

PostPosted: Mon Sep 19, 2005 11:59 am    Post subject: Reply with quote

Here is what a developer has to say about it:

herbs wrote:
There is no need to set these flags. Packages that support SIMD extensions on amd64 are hard-enabled in the ebuild (since all amd64 procs support them). Most of the packages you mention already enable these features on amd64 regardless of your use flags. Unmasking these flags globaly can only lead to problems in packages where support implies x86 specific assembly.


From this thread! :wink:
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Earthwings
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Joined: 14 Apr 2003
Posts: 7753
Location: Karlsruhe, Germany

PostPosted: Mon Sep 19, 2005 12:06 pm    Post subject: Reply with quote

Moved from Installing Gentoo to Duplicate Threads in favour of the thread linked by loki99.
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