interacting with svn repositories with "git svn"). If you can
live without these, use NO_PERL. Note that recent releases of
Redhat/Fedora are reported to ship Perl binary package with some
- core modules stripped away (see http://lwn.net/Articles/477234/),
+ core modules stripped away (see https://lwn.net/Articles/477234/),
so you might need to install additional packages other than Perl
itself, e.g. Digest::MD5, File::Spec, File::Temp, Net::Domain,
Net::SMTP, and Time::HiRes.