FWIW, this problem does not occur with Open MPI 1.10.2 on the same system and configured identically. -Paul
On Mon, May 2, 2016 at 12:53 PM, Paul Hargrove <phhargr...@lbl.gov> wrote: > 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 > -- 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
