The variant test fails on s390(x) and ppc64 after introduction of perl-Glib 1.310 (which adds the variant support). Currently the tests are disabled on ppc/ppc64 and enabled on s390(x), but 1.305 passes the whole test suite on both big endian arch families.

from build.log
...
# Distribution version: 1.310
t/module_versions.t ........ ok
t/options.t ................ ok
t/signal_emission_hooks.t .. ok
t/signal_marshal.t ......... ok
t/signal_query.t ........... ok
t/tied_definedness.t ....... ok
t/tied_flags.t ............. ok
t/tied_set_property.t ...... ok
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'b'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'y'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'n'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'q'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'i'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'u'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'x'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 't'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'h'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'd'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 's'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'o'
#   Failed test at t/variant.t line 48.
#          got: ''
#     expected: 'g'
#   Failed test at t/variant.t line 63.
#          got: ''
#     expected: 'v'
#   Failed test at t/variant.t line 92.
#          got: ''
#     expected: 'a'
#   Failed test at t/variant.t line 119.
#          got: ''
#     expected: 'm'
#   Failed test at t/variant.t line 127.
#          got: ''
#     expected: 'm'
#   Failed test at t/variant.t line 136.
#          got: ''
#     expected: 'm'
#   Failed test at t/variant.t line 151.
#          got: ''
#     expected: 'a'
#   Failed test at t/variant.t line 158.
#          got: ''
#     expected: 'a'
#   Failed test at t/variant.t line 166.
#          got: ''
#     expected: 'a'
#   Failed test at t/variant.t line 181.
#          got: ''
#     expected: '('
#   Failed test at t/variant.t line 188.
#          got: ''
#     expected: '('
#   Failed test at t/variant.t line 202.
#          got: ''
#     expected: '{'
# Looks like you failed 24 tests of 211.
t/variant.t ................ 
Dubious, test returned 24 (wstat 6144, 0x1800)
Failed 24/211 subtests 
Test Summary Report
-------------------
t/variant.t              (Wstat: 6144 Tests: 211 Failed: 24)
  Failed tests:  6, 13, 20, 27, 34, 41, 48, 55, 62, 69, 76
                83, 90, 96, 102, 108, 113, 119, 125, 129
                134, 139, 143, 148


for complete logs please see eg. http://s390.koji.fedoraproject.org/koji/taskinfo?taskID=1861903

Version-Release number of selected component (if applicable):
perl-Glib-1.310-1.fc22