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Subject: Re: [OMPI devel] "make check" (libtool) failure on Linux/ppc w/ XLC (1.5rc5 and 1.4.3rc1)
From: Paul H. Hargrove (PHHargrove_at_[hidden])
Date: 2010-08-27 20:39:27


I reran the build as Ralf requested (setting
shlibpath_overrides_runpath=yes in the libtool script).
The build and check were SUCCESSful!

I have provided Ralf with the requested files off-list.
-Paul

Ralf Wildenhues wrote:
> * Paul H. Hargrove wrote on Fri, Aug 27, 2010 at 03:54:54AM CEST:
>
>>> I am now looking at using IBM's XLC compilers for ILP32 builds on
>>> the same Linux/PPC64 platform for which I've reported some
>>> XLC/LP64 bugs.
>>>
>>> What I find now is that "make check" is failing with the loader
>>> unable to find libmpi.so.0.
>>> This is with both 1.5rc5 and 1.4.3rc1.
>>> This occurs with xlc, but things are just fine with gcc.
>>>
>
>
>>> As I said above, the problem is NOT occuring w/ gcc. So, I've
>>> attached the "./libtool --config" output for the xlc and gcc
>>> builds, which I see differ in more ways than I would have
>>> expected.
>>>
>
> The thing that's unexpected to me is the shlibpath_overrides_runpath
> difference.
>
>
>> While I still don't know the root cause, the following diff between
>> the libtool-generated wrappers for a gcc and xlc build make the
>> cause of the "make check" failure fairly obvious:
>>
>
> Please set shlibpath_overrides_runpath=yes in the libtool script for
> xlc, then try 'make clean all check'. Please send config.log for xlc
> (packed).
>
> Thanks,
> Ralf
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>

-- 
Paul H. Hargrove                          PHHargrove_at_[hidden]
Future Technologies Group
HPC Research Department                   Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900