• Use LATEST_LINK instead of defining the version in PORTNAME
• Fix LICENSE - it's LGPL21 not GPLv2
• Remove shlib version from LIB_DEPENDS

• while I'm here, respect LOCALBASE and thus remove needless dependency on pkg-config. pkg-config is often used by cmake as auxiliary tool to populate search paths. Until stuff is located at standard location, there is no need for pkg-config utility. [1]

PR: ports/169573
Submitted by: Jason E. Hale (maintainer)
Approved by: maintainer via irc [1]