2) Have this port use the port's system shared version of the lame
library instead of building its own static version. Add both some
detection code and necessary hooks to avifile's configure system
(defensive programming) using some patches
3) Add a simple stale port's tree defensive check. After the library
dependency phase, if one gets a lame library but no shared library
... bogus. The avifile depending on the new version of lame port
was added after the aforementioned. Warn the user about it. A
side effect (of LIB_DEPENDS) is that the new lame dependency is
always built even if there is an old version of lame installed.
4) PORTREVISION bump
Approved by: maintainer
