memcachedのmake testでエラー

前回とは違う環境下でmemcachedをrpmbuildしてたんだけど、以下のエラーが。
プロジェクトサイトにもIssueとして報告があがってて、 どうやらシングルコアのcpuだとbinary.tのテストに失敗するっぽい。
マルチコア環境だとエラーは出ないので、原因はCPUのコア数みたい・・・。勘弁してよって感じ。

#   Failed test 'Expected read length'
#   in t/binary.t at line 539.
#          got: '10'
#     expected: '24'
Use of uninitialized value in multiplication (*) at t/binary.t line 545.
Use of uninitialized value in addition (+) at t/binary.t line 545.
Use of uninitialized value in numeric eq (==) at t/binary.t line 547.
t/binary.............NOK 243
#   Failed test 'Expected read length'
#   in t/binary.t at line 539.
#          got: '14'
#     expected: '24'
t/binary.............NOK 244
#   Failed test 'Got proper response magic'
#   in t/binary.t at line 543.
#          got: '0'
#     expected: '129'
Use of uninitialized value in multiplication (*) at t/binary.t line 545.
Use of uninitialized value in addition (+) at t/binary.t line 545.
t/binary.............NOK 251
#   Failed test 'Flags is set properly'
#   in t/binary.t at line 63.
#          got: undef
#     expected: '19'
Argument "somevalue" isn't numeric in numeric eq (==) at t/binary.t line 64.
Argument "" isn't numeric in numeric eq (==) at t/binary.t line 64.
t/binary.............NOK 255
#   Failed test 'Expected opaque'
#   in t/binary.t at line 560.
#          got: '38518301'
#     expected: '3628040576'
t/binary.............NOK 258
#   Failed test 'Didn't get a result from get'
#   in t/binary.t at line 76.
#          got: '3'
#     expected: '0'
Can't call method "not_found" without a package or object reference at t/binary.t line 77.
# Looks like you planned 3361 tests but only ran 258.
# Looks like you failed 6 tests of 258 run.
# Looks like your test died just after 258.
t/binary.............dubious
        Test returned status 255 (wstat 65280, 0xff00)
DIED. FAILED tests 240, 243-244, 251, 255, 258-3361
        Failed 3109/3361 tests, 7.50% okay