Description of problem:
python-rpmfluff fails to build on armv7hl.

Version-Release number of selected component (if applicable): 0.5.7.1-6.fc33


How reproducible: always


Steps to Reproduce:
1. $ fedpkg build --nowait --scratch --arches armv7hl

Actual results:
Build fails.

Expected results:
Build succeeds.

Additional info:
Traceback (most recent call last):
  File "rpmfluff.py", line 342, in do_make
    log = subprocess.check_output(command, stderr=subprocess.STDOUT).splitlines(True)
  File "/usr/lib/python3.8/subprocess.py", line 411, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "/usr/lib/python3.8/subprocess.py", line 512, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['rpmbuild', '--define', '_topdir /builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1', '--define', '_rpmfilename %%{ARCH}/%%{NAME}-%%{VERSION}-%%{RELEASE}.%%{ARCH}.rpm', '-ba', '--target', 'arm', 'test-rpmbuild-test-add-commiter-0.1-1/test-add-commiter.spec']' returned non-zero exit status 1.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "rpmfluff.py", line 1607, in test_add_commiter
    self.rpmbuild.make()
  File "rpmfluff.py", line 276, in make
    self.do_make()
  File "rpmfluff.py", line 344, in do_make
    raise RuntimeError('rpmbuild command failed with exit status %s: %s\n%s'
RuntimeError: rpmbuild command failed with exit status 1: ['rpmbuild', '--define', '_topdir /builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1', '--define', '_rpmfilename %%{ARCH}/%%{NAME}-%%{VERSION}-%%{RELEASE}.%%{ARCH}.rpm', '-ba', '--target', 'arm', 'test-rpmbuild-test-add-commiter-0.1-1/test-add-commiter.spec']
b'warning: Found bdb Packages database while attempting sqlite backend: using bdb backend.\nBuilding target platforms: arm\nBuilding for target arm\nExecuting(%prep): /bin/sh -e /var/tmp/rpm-tmp.q9ZOtU\n+ umask 022\n+ cd /builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILD\n+ RPM_EC=0\n++ jobs -p\n+ exit 0\nExecuting(%build): /bin/sh -e /var/tmp/rpm-tmp.BKGDYS\n+ umask 022\n+ cd /builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILD\n+ RPM_EC=0\n++ jobs -p\n+ exit 0\nExecuting(%install): /bin/sh -e /var/tmp/rpm-tmp.YTu3IW\n+ umask 022\n+ cd /builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILD\n+ \'[\' \'/builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILDROOT/test-add-commiter-0.1-1.%{_arch}\' \'!=\' / \']\'\n+ rm -rf \'/builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILDROOT/test-add-commiter-0.1-1.%{_arch}\'\n++ dirname \'/builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILDROOT/test-add-commiter-0.1-1.%{_arch}\'\n+ mkdir -p /builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILDROOT\n+ mkdir \'/builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILDROOT/test-add-commiter-0.1-1.%{_arch}\'\n+ rm -rf \'/builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILDROOT/test-add-commiter-0.1-1.%{_arch}\'\n+ mkdir \'/builddir/build/BUILD/rpmfluff-0.5.7.1/test-rpmbuild-test-add-commiter-0.1-1/BUILDROOT/test-add-commiter-0.1-1.%{_arch}\'\n+ /usr/lib/rpm/check-buildroot\nxargs: invalid number "%{_smp_build_ncpus}" for -P option\nTry \'xargs --help\' for more information.\n+ /usr/lib/rpm/redhat/brp-ldconfig\n+ /usr/lib/rpm/brp-compress\n+ /usr/lib/rpm/brp-strip /usr/bin/strip\nxargs: invalid number "%{_smp_build_ncpus}" for -P option\nTry \'xargs --help\' for more information.\nerror: Bad exit status from /var/tmp/rpm-tmp.YTu3IW (%install)\n\n\nRPM build errors:\n    Found bdb Packages database while attempting sqlite backend: using bdb backend.\n    Bad exit status from /var/tmp/rpm-tmp.YTu3IW (%install)\n'

https://koji.fedoraproject.org/koji/taskinfo?taskID=44872219