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.
devel/p5-IO-Null.
This is a perl class for null file handles. Calling a constructor of this
class always succeeds, returning a new null file handle. Writing to
any object of this class is always a no-operation, and returns true.
Reading from any object of this class is always no-operation, and
returns empty-string or empty-list, as appropriate.
