Log message:
Drop superfluous PKG_DESTDIR_SUPPORT, "user-destdir" is default these days.

Log message:
Adding new package for CPAN module Package::Variant version 1.001002
into devel/p5-Package-Variant.

This module allows you to build packages that return different variations
depending on what parameters are given.

Users of your package will receive a subroutine able to take parameters and
return the name of a suitable variant package. The implmenetation does not
care about what kind of package it builds.