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On May 3, 2013, at 10:19 AM, Stefan Friedel <stefan.friedel_at_[hidden]> wrote:
> dependency_libs=' -L/root/openmpi-1.6.4/opal/mca/hwloc/hwloc132/hwloc/src -ldl -lrt -lnsl -lutil -lm'
Yow; it looks like .la's are picking up an internal intermediate library path. Hmm. I wonder how that's happening...
Ok, I see the issue. It looks like a minor bug in the hwloc distribution itself (hwloc is a software package that OMPI wholly embeds). I've committed a fix in OMPI, hwloc, and have queued up the change to be in the next releases of Open MPI. Thanks for bringing it to our attention!
As a workaround, you can simply remove this -L from the .la files.
I am somewhat amused to note that this has been OMPI's behavior for quite some time -- you're the first to notice it!
> # are the *.la files necessary at all?
> (probably the answer is no: we tested this by deleting all *.la files in
> /usr/opt/openmpi-1.6.4 and it helped: application is compiling+running)
Yes; they're really only an aid for projects that build with Libtool. But the libtool that installs these files automatically, anyway; I don't know of an easy way to *not* install these .la files.
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