mpi4py version 1.2.2-2 failed to build on armel

mpi4py version 1.2.2-2 failed to build on armel
Link to failed build: https://launchpad.net/ubuntu/+source/mpi4py/1.2.2-2/+build/2480293

Direct link to the build log: https://launchpad.net/ubuntu/+source/mpi4py/1.2.2-2/+build/2480293/+files/buildlog_ubuntu-oneiric-armel.mpi4py_1.2.2-2_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 615 lines into the build log:

running build_ext
MPI C compiler: /usr/bin/mpicc.openmpi
MPI C++ compiler: /usr/bin/mpicxx.openmpi
MPI linker: /usr/bin/mpicc.openmpi
checking for MPI compile and link ...
/usr/bin/mpicc.openmpi -fPIC -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -O2 -I/usr/include/python2.6 -c _configtest.c -o _configtest.o
unable to execute /usr/bin/mpicc.openmpi: No such file or directory
failure.
removing: _configtest.c _configtest.o
error: Cannot compile/link MPI programs. Check your configuration!!!
dh_auto_build: python2.6 setup.py build --force --mpicc=/usr/bin/mpicc.openmpi --mpicxx=/usr/bin/mpicxx.openmpi returned exit code 1
make[1]: *** [override_dh_auto_build] Error 1
make[1]: Leaving directory `/build/buildd/mpi4py-1.2.2'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110508-1904
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/mpi4py-1.2.2