zarb-ml/mageia-dev/2012-December/020556.html


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   <H1>[Mageia-dev] Clanlib2 and SSE2 on i586</H1>
    <B>Colin Guthrie</B> 
    <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Clanlib2%20and%20SSE2%20on%20i586&In-Reply-To=%3C50BDE5B6.2030605%40colin.guthr.ie%3E"
       TITLE="[Mageia-dev] Clanlib2 and SSE2 on i586">mageia at colin.guthr.ie
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    <I>Tue Dec  4 12:59:50 CET 2012</I>
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<PRE>'Twas brillig, and zezinho at 03/12/12 22:42 did gyre and gimble:
&gt;<i> Trying to launch openalchemist gave me a crash because Clanlib2 uses
</I>&gt;<i> SSE2 on SSE2 systems for software rendering, while we disabled it at
</I>&gt;<i> configure.
</I>&gt;<i> 
</I>&gt;<i> What should we do? I think enabling it is better, as all i586 CPU with
</I>&gt;<i> less than 10 years come with SSE2. But our policy forbids it ;-)
</I>&gt;<i> 
</I>&gt;<i> ERROR FOLLOWS :
</I>&gt;<i> 
</I>&gt;<i> Exception caught:
</I>&gt;<i> Sorry, this compiled clanSWRender does not support SSE2, but your CPU
</I>&gt;<i> does support SSE2. (Update clanSWRender to contain SSE2)
</I>
The code should really be complied but only enabled at runtime if it's
available. PulseAudio does this. It's more of a pain to code for but
does make like easier for distributions.

But yeah, short term fix, nuke the test, and as a meme says, keep calm
and carry on.

Col

-- 

Colin Guthrie
colin(at)mageia.org
<A HREF="http://colin.guthr.ie/">http://colin.guthr.ie/</A>

Day Job:
  Tribalogic Limited <A HREF="http://www.tribalogic.net/">http://www.tribalogic.net/</A>
Open Source:
  Mageia Contributor <A HREF="http://www.mageia.org/">http://www.mageia.org/</A>
  PulseAudio Hacker <A HREF="http://www.pulseaudio.org/">http://www.pulseaudio.org/</A>
  Trac Hacker <A HREF="http://trac.edgewall.org/">http://trac.edgewall.org/</A>
</PRE>


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