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To: freebsd-ports@freebsd.org
From: Walter Schwarzenfeld <w.schwarzenfeld@utanet.at>
Subject: Port Makefile Automatically enable option
Message-ID: <98c35602-bfdd-2c2b-04ea-b5b9343233c5@utanet.at>
Date: Thu, 11 Aug 2016 16:01:07 +0200
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Is there a command to "automatically" enables an option if another 
option need it?