Grandfather dependencies completely out of control

[Doug Barton]

Howdy,

I'm looking at the use of portmaster to upgrade perl versions, and
noticed that there are a ton of ports listed as dependent on perl that
don't have any use for it, including one of mine:

qbittorrent-2.2.6 >> libnotify-0.4.5_3 >> atk-1.28.0 >>
gio-fam-backend-2.22.4 >> gamin-0.1.10_3 >> glib-2.22.4 >>
perl-threaded-5.8.9_3

Taking a look at devel/glib20, I see this:
USE_PERL5=      yes

although from the docs in the glib tarball it's not at all clear (to me
anyway) what it's used for. Given that it doesn't seem to be a rundep
for glib20 it's also not at all clear to me why qbittorrent should have
a pkgdep for it.

Can someone please explain what the heck is going on here? (And please
note, I'm picking on glib20 because this seems to be a particularly
egregious example, but I'm really more interested in the problem generally.)


Doug

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