Seriously modernize this port, my first contribution to FreeBSD
from almost 11 years ago!
Add IPv6 support as well as fixing the dsirc script for modern Perl
courtesy of the NetBSD port. Also add a stripped down version of that
patch which will let dsirc work with modern Perl even without IPv6.
Use OPTIONS to handle IPv6 and SOCKS support.
Also include the addon scripts from the author's site as an OPTION.
Take advantage of PORTDOCS support, and fix the plist as a side effect.
If the user chooses to add SOCKS support print a pkg-message to tell
them how to set it up, and make the README.socks PORTDOC conditional.
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