Apache2::Reload not included, cannot build?

I wanted to use Apache2::Reload but find that it's not included with
the base mod_perl distribution (at least on Centos 6.6).  No problem,
I'll just fire up cpan and build it:

cpan[1]> install Apache2::Reload
CPAN: Storable loaded ok (v2.20)
Reading '/root/.cpan/Metadata'
  Database was generated on Thu, 09 Jul 2015 19:54:32 GMT
Running install for module 'Apache2::Reload'
CPAN: LWP::UserAgent loaded ok (v5.833)
CPAN: Time::HiRes loaded ok (v1.9721)
Fetching with LWP:
http://www.perl.org/CPAN/authors/id/S/SH/SHAY/Apache-Reload-0.13.tar.gz
CPAN: YAML loaded ok (v0.70)
CPAN: Digest::SHA loaded ok (v5.47)
Fetching with LWP:
http://www.perl.org/CPAN/authors/id/S/SH/SHAY/CHECKSUMS
Checksum for
/root/.cpan/sources/authors/id/S/SH/SHAY/Apache-Reload-0.13.tar.gz ok
Scanning cache /root/.cpan/build for sizes
DONE
CPAN: Archive::Tar loaded ok (v1.58)
Apache-Reload-0.13/
Apache-Reload-0.13/Changes
Apache-Reload-0.13/lib/
Apache-Reload-0.13/lib/Apache/
Apache-Reload-0.13/lib/Apache/Reload.pm
Apache-Reload-0.13/lib/Apache2/
Apache-Reload-0.13/lib/Apache2/Reload.pm
Apache-Reload-0.13/LICENSE
Apache-Reload-0.13/Makefile.PL
Apache-Reload-0.13/MANIFEST
Apache-Reload-0.13/META.json
Apache-Reload-0.13/META.yml
Apache-Reload-0.13/README
Apache-Reload-0.13/RELEASE
Apache-Reload-0.13/t/
Apache-Reload-0.13/t/all.t
Apache-Reload-0.13/t/conf/
Apache-Reload-0.13/t/conf/extra.last.conf.in
Apache-Reload-0.13/t/lib/
Apache-Reload-0.13/t/lib/Apache/
Apache-Reload-0.13/t/lib/Apache/TestReload.pm
Apache-Reload-0.13/t/lib/Apache2/
Apache-Reload-0.13/t/lib/Apache2/TestReload.pm
Apache-Reload-0.13/t/reload.t
CPAN: File::Temp loaded ok (v0.22)
CPAN: CPAN::Meta::Requirements loaded ok (v2.133)
CPAN: Parse::CPAN::Meta loaded ok (v1.40)
CPAN: Module::CoreList loaded ok (v2.18)
Configuring S/SH/SHAY/Apache-Reload-0.13.tar.gz with Makefile.PL
Undefined subroutine &Symbol::gensym called at Makefile.PL line 91.
Warning: No success on command[/usr/bin/perl Makefile.PL INSTALLDIRS=site]
  SHAY/Apache-Reload-0.13.tar.gz
  /usr/bin/perl Makefile.PL INSTALLDIRS=site -- NOT OK
Failed during this command:
 SHAY/Apache-Reload-0.13.tar.gz               : writemakefile NO
'/usr/bin/perl Makefile.PL INSTALLDIRS=site' returned status 65280


Googling "Undefined subroutine &Symbol::gensym" turns up only
4 hits, all of them from 2004.

Any suggestions on how to troubleshoot?

-- 
Jim Garrison ([email protected])
PGP Keys at http://www.jhmg.net RSA 0x04B73B7F DH 0x70738D88