both ppc64 and ppc64le builds fail with 

...
../../../opal/threads/thread_usage.h:173:1: note: in expansion of macro 'OPAL_THREAD_DEFINE_ATOMIC_SWAP'
 OPAL_THREAD_DEFINE_ATOMIC_SWAP(int64_t, int64_t, 64)
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../../opal/include/opal/sys/atomic.h:615:0,
                 from ../../../opal/threads/thread_usage.h:28,
                 from ../../../opal/class/opal_object.h:128,
                 from ../../../ompi/errhandler/errhandler.h:32,
                 from intercepts.cc:27:
../../../opal/class/opal_lifo.h: In function 'opal_list_item_t* opal_lifo_pop_atomic(opal_lifo_t*)':
../../../opal/include/opal/sys/atomic_impl.h:288:77: error: 'opal_atomic_ll_64' was not declared in this scope
 #define opal_atomic_ll_ptr(addr) (void *) opal_atomic_ll_64((int64_t *) addr)
                                                                             ^
../../../opal/class/opal_lifo.h:214:37: note: in expansion of macro 'opal_atomic_ll_ptr'
         item = (opal_list_item_t *) opal_atomic_ll_ptr (&lifo->opal_lifo_head.data.item);
                                     ^~~~~~~~~~~~~~~~~~
../../../opal/include/opal/sys/atomic_impl.h:289:94: error: 'opal_atomic_sc_64' was not declared in this scope
 #define opal_atomic_sc_ptr(addr, newval) opal_atomic_sc_64((int64_t *) addr, (int64_t) newval)
                                                                                              ^
../../../opal/class/opal_lifo.h:220:15: note: in expansion of macro 'opal_atomic_sc_ptr'
     } while (!opal_atomic_sc_ptr (&lifo->opal_lifo_head.data.item, next));
               ^~~~~~~~~~~~~~~~~~
In file included from ../../../ompi/request/request.h:38:0,
                 from ../../../ompi/communicator/comm_request.h:17,
                 from ../../../ompi/communicator/communicator.h:35,
                 from intercepts.cc:28:
../../../opal/threads/wait_sync.h: In function 'void wait_sync_update(ompi_wait_sync_t*, int, int)':
../../../opal/threads/wait_sync.h:114:45: error: 'opal_atomic_swap_32' was not declared in this scope
         opal_atomic_swap_32 (&sync->count, 0);
                                             ^
make[2]: Leaving directory '/builddir/build/BUILD/openmpi-2.0.1/ompi/mpi/cxx'
make[2]: *** [Makefile:1807: intercepts.lo] Error 1
make[1]: Leaving directory '/builddir/build/BUILD/openmpi-2.0.1/ompi'
make[1]: *** [Makefile:3324: all-recursive] Error 1
make: *** [Makefile:1800: all-recursive] Error 1
RPM build errors:
error: Bad exit status from /var/tmp/rpm-tmp.hAxc5H (%build)
    Bad exit status from /var/tmp/rpm-tmp.hAxc5H (%build)
Child return code was: 1
...


for full logs please see http://ppc.koji.fedoraproject.org/koji/taskinfo?taskID=3837392

Version-Release number of selected component (if applicable):
openmpi-2.0.1-1.fc26