K 10
svn:author
V 8
bdrewery
K 8
svn:date
V 27
2018-02-28T19:34:05.889200Z
K 7
svn:log
V 367
Add compiler.mk to PORTS_ENV.

This only handles the default CC=cc but is enough to significantly improve
INDEX/Poudriere ports var gathering due to reducing around a dozen cc
fork+exec for every port that all have the same result.  These values
are reused during the port build as well which reduces more fork+exec
contention there.

Approved by:	portmgr (implicit)

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