Greg Troxel wrote:

> So, it should be possible to write a builtin.mk for lang/perl5.  But
> if the perl in the base OS isn't recent enough, some packages will
> want pkgsrc perl anyway.

IMO Perl is a bad case to support with a builtin.mk file. A lot of
packages depend on perl and the way it is configured in pkgsrc. Since
the perl packages on other platforms most probably are not built this
way, the depending packages may be more prone to fail.

ciao
     Klaus