Created attachment 147247 [details]
when security/trousers compiles over security/openssl port, it tries to link base openssl and fails for an obvious reason. To fix, tell them proper place to compile and link via --with-openssl= CONFIGURE_ARGS.
Over to maintainer.
A commit references this bug:
Date: Sun Sep 21 23:12:19 UTC 2014
New revision: 368793
Fix build when security/openssl is installed.
Committed a fix. Thank you for your report!