K 10
svn:author
V 8
bdrewery
K 8
svn:date
V 27
2018-02-28T18:38:17.705851Z
K 7
svn:log
V 284
ports_env: Store list of variables to export in PORTS_ENV_VARS in mk files.

This will avoid renamed/removed variables being orphaned, and allows for
exporting variables in ports_env that are not wanted to be exported in
sub-makes via _EXPORTED_VARS.

Approved by:	portmgr (implicit)

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