Thanks Brice; I filed the corresponding v2.0 PR here:
https://github.com/open-mpi/ompi-release/pull/1130
> On May 3, 2016, at 4:13 AM, Brice Goglin <brice.gog...@inria.fr> wrote:
>
> https://github.com/open-mpi/ompi/pull/1621 (against master, needs to go to
> 2.0 later)
>
>
> Le 03/05/2016 08:22, Brice Goglin a écrit :
>> Yes we should backport this to OMPI master and v2.x.
>> I am usually not the one doing the PR, I'd need to learn the exact procedure
>> first :)
>>
>> Brice
>>
>>
>>
>> Le 03/05/2016 08:15, Paul Hargrove a écrit :
>>> Thanks, Brice.
>>>
>>> Any plans to get this fix into Open MPI's embedded copy of hwloc 1.11.2,
>>> and into v2.x in particular?
>>> Or perhaps that is Jeff's job?
>>>
>>> -Paul
>>>
>>> On Mon, May 2, 2016 at 11:04 PM, Brice Goglin <brice.gog...@inria.fr> wrote:
>>> Should be fixed by
>>> https://github.com/open-mpi/hwloc/commit/9549fd59af04dca2e2340e17f0e685f8c552d818
>>> Thanks for the report
>>> Brice
>>>
>>>
>>>
>>>
>>> Le 02/05/2016 21:53, Paul Hargrove a écrit :
>>>> I have a linux/ppc64 host running Fedora 20.
>>>> I have configured the 2.0.0rc2 tarball with
>>>> --prefix=[....] --enable-debug \
>>>> CFLAGS=-m32 --with-wrapper-cflags=-m32 \
>>>> CXXFLAGS=-m32 --with-wrapper-cxxflags=-m32 \
>>>> FCFLAGS=-m32 --with-wrapper-fcflags=-m32 --disable-mpi-fortran
>>>>
>>>> [yes, I know the fortran flags are pointless with --disable-mpi-fortran]
>>>>
>>>> My build is failing (as shown at the bottom of this email) in
>>>> tools/wrappers with undefined references to udev symbols.
>>>> The udev configure probe run by the embedded hwloc seemed happy enough:
>>>> --- MCA component hwloc:hwloc1112 (m4 configuration macro, priority 90)
>>>> checking for MCA component hwloc:hwloc1112 compile mode... static
>>>> checking hwloc building mode... embedded
>>>> [...]
>>>> checking libudev.h usability... yes
>>>> checking libudev.h presence... yes
>>>> checking for libudev.h... yes
>>>> checking for udev_device_new_from_subsystem_sysname in -ludev... no
>>>>
>>>> However, looking at config.log one can see that despite the
>>>> presence/usability of libudev.h there is NOT a libudev library present for
>>>> "-m32".
>>>> This is apparent because the probe for
>>>> udev_device_new_from_subsystem_sysname failed with a message about the
>>>> *library* not being found rather than about an undefined symbol.
>>>>
>>>>
>>>> I *can* work-around this issue by passing --disable-libudev to configure.
>>>> However, it would seem appropriate to check for a usable libudev library
>>>> in addition to the header.
>>>>
>>>> -Paul
>>>>
>>>>
>>>> Making all in tools/wrappers
>>>> make[2]: Entering directory
>>>> `/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/BLD/opal/tools/wrappers'
>>>> depbase=`echo opal_wrapper.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
>>>> gcc -std=gnu99 "-DEXEEXT=\"\"" -I.
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/opal/tools/wrappers
>>>> -I../../../opal/include -I../../../ompi/include -I../../../oshmem/include
>>>> -I../../../opal/mca/hwloc/hwloc1112/hwloc/include/private/autogen
>>>> -I../../../opal/mca/hwloc/hwloc1112/hwloc/include/hwloc/autogen
>>>> -I../../../ompi/mpiext/cuda/c
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2
>>>> -I../../..
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/opal/include
>>>>
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/orte/include
>>>> -I../../../orte/include
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/ompi/include
>>>>
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/oshmem/include
>>>>
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/opal/mca/hwloc/hwloc1112/hwloc/include
>>>>
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/BLD/opal/mca/hwloc/hwloc1112/hwloc/include
>>>>
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/opal/mca/event/libevent2022/libevent
>>>>
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/opal/mca/event/libevent2022/libevent/include
>>>>
>>>> -I/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/BLD/opal/mca/event/libevent2022/libevent/include
>>>> -m32 -g -finline-functions -fno-strict-aliasing -pthread -MT
>>>> opal_wrapper.o -MD -MP -MF $depbase.Tpo -c -o opal_wrapper.o
>>>> /home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/openmpi-2.0.0rc2/opal/tools/wrappers/opal_wrapper.c
>>>> &&\
>>>> mv -f $depbase.Tpo $depbase.Po
>>>> /bin/sh ../../../libtool --tag=CC --mode=link gcc -std=gnu99 -m32 -g
>>>> -finline-functions -fno-strict-aliasing -pthread -o opal_wrapper
>>>> opal_wrapper.o ../../../opal/libopen-pal.la -lrt -lm -lutil
>>>> libtool: link: gcc -std=gnu99 -m32 -g -finline-functions
>>>> -fno-strict-aliasing -pthread -o .libs/opal_wrapper opal_wrapper.o
>>>> ../../../opal/.libs/libopen-pal.so -ldl -lrt -lm -lutil -pthread
>>>> -Wl,-rpath
>>>> -Wl,/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/INST/lib
>>>> ../../../opal/.libs/libopen-pal.so: undefined reference to `udev_new'
>>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>>> `udev_device_new_from_subsystem_sysname'
>>>> ../../../opal/.libs/libopen-pal.so: undefined reference to `udev_unref'
>>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>>> `udev_device_get_property_value'
>>>> ../../../opal/.libs/libopen-pal.so: undefined reference to
>>>> `udev_device_unref'
>>>> collect2: error: ld returned 1 exit status
>>>> make[2]: *** [opal_wrapper] Error 1
>>>> make[2]: Leaving directory
>>>> `/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/BLD/opal/tools/wrappers'
>>>> make[1]: *** [all-recursive] Error 1
>>>> make[1]: Leaving directory
>>>> `/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-ppc32-gcc/BLD/opal'
>>>> make: *** [all-recursive] Error 1
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Paul H. Hargrove phhargr...@lbl.gov
>>>> Computer Languages & Systems Software (CLaSS) Group
>>>> Computer Science Department Tel: +1-510-495-2352
>>>> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
>>>>
>>>>
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>>>>
>>>> Link to this post:
>>>> http://www.open-mpi.org/community/lists/devel/2016/05/18869.php
>>>
>>>
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>>>
>>>
>>>
>>> --
>>> Paul H. Hargrove phhargr...@lbl.gov
>>> Computer Languages & Systems Software (CLaSS) Group
>>> Computer Science Department Tel: +1-510-495-2352
>>> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
>>>
>>>
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>>
>
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--
Jeff Squyres
jsquy...@cisco.com
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