module directory has changed (eg. "darwin-2level" vs.
"darwin-thread-multi-2level").
binary packages of perl modules need to be distinguishable between
being built against threaded perl and unthreaded perl, so bump the
PKGREVISION of all perl module packages and introduce
BUILDLINK_RECOMMENDED for perl as perl>=5.8.5nb5 so the correct
dependencies are registered and the binary packages are distinct.
addresses PR pkg/28619 from H. Todd Fujinaka.
collection as devel/p5-IO-Zlib.
The IO::Zlib module provides a Perl IO:: style interface to the
Compress::Zlib package. The main advantage is that you can use an
IO::Zlib object in much the same way as an IO::File object, so you
can have common code that doesn't know which sort of file it is
using.
