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Subject: Re: [hwloc-devel] Embedding: is it worth it?
From: Samuel Thibault (samuel.thibault_at_[hidden])
Date: 2010-04-04 12:15:37


Jeff Squyres, le Fri 02 Apr 2010 14:51:06 -0400, a écrit :
> On Apr 2, 2010, at 2:25 PM, Samuel Thibault wrote:
>
> > > But to use an external PLPA/libltdl/whatever, OMPI's configure would just call their configure
> >
> > I'm not 100% sure what RedHat etc. do, but in Debian the policy wouldn't
> > be to do this, but to just link against the existing installed library,
> > i.e. use the installed hwloc.pc file only, _not_ run its configure
> > script. I believe that's what RedHat etc. mean.
>
> Yes.
>
> To be clear, if OMPI is to use the internal/embedded copy, it would just call the $path_to_hwloc/configure.

Do you mean that if OMPI had to be able to use an external copy in some
cases, for the internal case it would now just use ./configure? Why
is it so? Can't the main ./configure call the hwloc m4 stuff or not
depending on whether the internal or the external version is used?

Samuel