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Docker builds of Perl less than 5.20 on CentOS 7.1.1503 when SELinux is set to "enforcing" (SELINUX=enforcing) tests fail with these errors during test:
$ getenforce
Enforcing
$ cd docker-perl/5.010.001-64bit/
$ docker build -t perl:5.10 .
...
# Failed test 'queue a message'
# at ../ext/IPC-SysV/t/ipcsysv.t line 165.
# The failure of the subtest #2 may indicate that the message queue
# resource limits either of the system or of the testing account
# have been reached. Error message "Operating would block" is
# usually indicative of this situation. The error message was now:
# "Permission denied"
#
# You can check the message queues with the 'ipcs' command and
# you can remove unneeded queues with the 'ipcrm -q id' command.
# You may also consider configuring your system or account
# to have more message queue resources.
#
# Because of the subtest #2 failing also the substests #5 and #6 will
# very probably also fail.
# Failed test 'message get call'
# at ../ext/IPC-SysV/t/ipcsysv.t line 196.
# This failure was to be expected because the subtest #2 failed.
# Failed test 'message get data'
# at ../ext/IPC-SysV/t/ipcsysv.t line 214.
# Looks like you failed 3 tests of 38.
../ext/IPC-SysV/t/ipcsysv.t ......................................
The issue appears to be with the version of the IPC::SysV module included in the Perl distribution, as the latest version of IPC::SysV (via CPAN) does compile and pass tests independently with SELINUX=enforcing.
Docker builds for 5.16 and 5.10 have been confirmed to run successfully on CentOS 7.1 when SELinux is disabled (SELINUX=disabled).
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