Matthias Andree 5a9ce54d8f Move port to depend on graphics/osg, which was recently updated to ... 3.2.0, and osgearth's requirement was 3.0.1, to avoid conflicts with other ports that depend on graphics/osg. Make the graphics/osg version a variable, to ease maintainer's jobs as graphics/osg gets updated (which requires osgearth's PORTREVISION and PLIST_SUB to be bumped). Some part of the discussion around PLIST_SUB is not recorded in the PR, but it is still related to PR: ports/184706 Submitted by: amdmi3		2014-01-23 08:23:43 +00:00
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