http://bugs.freedesktop.org/show_bug.cgi?id=24766





--- Comment #10 from Chow Loong Jin <hyper...@gmail.com>  2009-10-27 23:24:14 
PST ---
(In reply to comment #9)
> (In reply to comment #7)
> > @Dan Nicholson: Sticking 64-bit libraries into /usr/lib64 instead of 
> > /usr/lib
> > would require changing Debian's packaging policy as well as every 
> > derivative of
> > Debian's policy to accomodate one library that won't work otherwise.
> 
> So debian's policy is that 32 bit libraries go in /usr/lib32 on x86_64 but
> their 32 bit libraries aren't actually installed there? So, is this is
> multiarch or not? It sounds like it's not intended to be multiarch.
It's not trivial to change the userland, and the package manager does not
natively support multiarch. ia32-libs exists because of the need for 32-bit
libraries in 64-bit.

> I would agree with Corbin that this is NOTABUG since this case is pretty
> convoluted and no one has ever needed it before. However, if you write a patch
> that sets the search path from configure and leaves the current default (not
> extending it with a path that hasn't been needed), then I'll commit it for 
> you.
Will do.

> You may want to open a bug in ubuntu to see what the developers say. If this 
> is
> a debian/ubuntu policy, then I don't know why it hasn't come up before.
I'm not sure about ia32-libs' history as I've only switched to 64-bit Ubuntu
relatively recently (after Ubuntu 9.04's release), but I've talked to other
developers and am personally an Ubuntu Contributing Developer myself. The bug
in Ubuntu which I linked in comment #8 was filed on 2008-07-14, but never
really got much attention, probably because not many actually played 32-bit GPU
intensive games on 64-bit Ubuntu with Intel graphics.

I myself did not notice that Wine was not getting direct rendering until the
whole issue with Wine segfaulting as a result of a bad FBO returned by mesa
under indirect rendering took place.


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