The EPEL 7 ppc64 builds fail, without finding basic deps like glibc and libpthread.

See e.g. https://koji.fedoraproject.org/koji/taskinfo?taskID=9151336

{{{
DEBUG util.py:389: Error: Package: p11-kit-0.20.7-3.el7.ppc64 (build)
DEBUG util.py:389: Requires: libc.so.6(GLIBC_2.4)(64bit)
DEBUG util.py:389: Error: Package: nspr-4.10.6-3.el7.ppc64 (build)
DEBUG util.py:389: Requires: librt.so.1(GLIBC_2.3)(64bit)
DEBUG util.py:389: Error: Package: zip-3.0-10.el7.ppc64 (build)
DEBUG util.py:389: Requires: rtld(GNU_HASH)
DEBUG util.py:389: Error: Package: util-linux-2.23.2-21.el7.ppc64 (build)
DEBUG util.py:389: Requires: rtld(GNU_HASH)
DEBUG util.py:389: Error: Package: lua-5.1.4-14.el7.ppc64 (build)
DEBUG util.py:389: Requires: libc.so.6(GLIBC_2.7)(64bit)
DEBUG util.py:389: Error: Package: libcap-ng-0.7.3-5.el7.ppc64 (build)
DEBUG util.py:389: Requires: libc.so.6(GLIBC_2.4)(64bit)
DEBUG util.py:389: Error: Package: python-libs-2.7.5-16.el7.ppc64 (build)
DEBUG util.py:389: Requires: libpthread.so.0()(64bit)
DEBUG util.py:389: Error: Package: libuuid-2.23.2-21.el7.ppc64 (build)
DEBUG util.py:389: Requires: ld64.so.1(GLIBC_2.3)(64bit)
}}}

The deps for the x86_64 build are found and starts without problem (but the x86_64 build is killed when the ppc64 build has failed).