On Wed, Jun 08, 2011 at 05:49:10PM +0200, Fabian Groffen wrote:
> On 08-06-2011 11:45:56 -0400, W. Trevor King wrote:
> > py2app bundles prebuilt stubs, but it looks like there *is* code to
> > rebuild them if necessary [2].  I'm not sure if there's a good way to
> > disable non-x64 stubs, or if that's even a good idea.  The universal
> > stub presumably uses the appropriate library for whatever system
> > you're running on, but I am not enough of a linker guru to understand
> > how any of that works ;).
> 
> I think it IS a good idea.  Simply because we don't do multilib in any
> aspect of the system, so even though py2app thinks it is clever, it
> won't ever work.
> 
> A sed or any other hack to make sure it isn't going to do a multilib
> build (typically -arch appears then) is just necessary here.

Ok, so USE flags to enable stub installation:

  if use x64-macos; then
    # install *-x86_64
  fi
  ...

I'm not quite sure of the arch-to-stub mapping, I think it should be

  arch       stub
  ---------  ----------------------------
  x64-macos  x86_64
  ppc64      ppc64
  ppc-macos  ppc     (possibly just ppc?)
  ?          intel      
  ?          i386
  ?          fat3
  ?          fat
  -never-    universal

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