Will track this one down as well tomorrow.

-Nathan

> On Jun 15, 2016, at 7:13 PM, Paul Hargrove <phhargr...@lbl.gov> wrote:
> 
> With a PPC64/Fedora20/gcc-4.8.3 system configuring for "-m32":
> 
> configure --prefix=[...] --enable-debug \
>         CFLAGS=-m32 --with-wrapper-cflags=-m32 \
>         CXXFLAGS=-m32 --with-wrapper-cxxflags=-m32 \
>         FCFLAGS=-m32 --with-wrapper-fcflags=-m32 --disable-mpi-fortran
> 
> Build fails with
> /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-2.0.0rc3-linux-ppc32-gcc/INST/lib
> ../../../opal/.libs/libopen-pal.so: undefined reference to `OPAL_THREAD_ADD64'
> collect2: error: ld returned 1 exit status
> 
> -Paul
> 
> On Wed, Jun 15, 2016 at 3:19 PM, Howard Pritchard <hpprit...@gmail.com> wrote:
> We are now feature complete for v2.0.0 and would appreciate testing by 
> developers and end users before we finalize the v2.0.0 release.  In that 
> light, v2.0.0rc3 is now available:
> 
>     https://www.open-mpi.org/software/ompi/v2.x/
> 
> Here are the changes since 2.0.0rc2:
> 
> - The MPI C++ bindings -- which were removed from the MPI standard in
>    v3.0 -- are no longer built by default and will be removed in some
>    future version of Open MPI.  Use the --enable-mpi-cxx-bindings
>    configure option to build the deprecated/removed MPI C++ bindings.
> 
> --> NOTE: this is not new, actually -- but we just added it to the NEWS file.
> 
> - In environments where mpirun cannot automatically determine the
>   number of slots available (e.g., when using a hostfile that does not
>   specify "slots", or when using --host without specifying a ":N"
>   suffix to hostnames), mpirun now requires the use of "-np N" to
>   specify how many MPI processes to launch.
> 
> - Many updates and fixes to the revamped memory hooks infrastructure
> 
> - Various configure-related compatibility updates for newer versions
>    of libibverbs and OFED.
> 
> - Properly detect Intel TrueScale and OmniPath devices in the ACTIVE
>   state.  Thanks to Durga Choudhury for reporting the issue.
> 
> - Fix MPI_IREDUCE_SCATTER_BLOCK for a one-process communicator. Thanks
>    to Lisandro Dalcin for reporting.
> 
> - Fix detection and use of Solaris Studio 12.5 (beta) compilers.
>    Thanks to Paul Hargrove for reporting and debugging.
> 
> - Allow NULL arrays when creating empty MPI datatypes.
> 
> - Miscellaneous minor bug fixes in the hcoll component.
> 
> - Miscellaneous minor bug fixes in the ugni component.
> 
> - Fix various small memory leaks.
> 
> - Notable new MCA parameters:
> 
>    -  opal_progress_lp_call_ration: Control how often low-priority
>       callbacks are made during Open MPI's main progress loop.
> 
> - Disable backtrace support by default in the PSM/PSM2 libraries to
>   prevent unintentional conflicting behavior.
> 
> Thanks,
> 
> Howard
> 
> --
> 
> Howard Pritchard
> HPC-DES
> Los Alamos National Laboratory
> 
> 
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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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