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On Tuesday 30 September 2003 14:46, Jon Ellis wrote: |
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> Can someone explain the sse / 3dnow! situation to me? |
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> |
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> My understanding is that most modern intel and amd chips supprt sse, |
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> but only amd support 3dnow! Is this correct? Why would someone with a |
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> pentium 4 box have 3dnow in their use flags? |
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> |
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I think you are completely right, 3dnow in the useflags should be only done on |
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amd systems that have 3dnow. |
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> Does anyone point me a ebuilds that correctly handle this stuff? It |
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> would be most useful to understand how protect users from themselves |
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> and reduce the number 'invalid instruction' bugs filed against |
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> libvorbis! |
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I think you might want to put in a check to test for actual 3dnow support. |
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However it is perfectly legal to build a package on a p4 that is going to run |
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on an athlon, so disabling the useflag might limit the users. |
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|
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Paul |
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|
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- -- |
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Paul de Vrieze |
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Gentoo Developer |
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Mail: pauldv@g.o |
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Homepage: http://www.devrieze.net |
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