K 10
svn:author
V 2
se
K 8
svn:date
V 27
2020-01-26T20:12:08.125177Z
K 7
svn:log
V 175
Make the pre-build "make clean" use SU_CMD if appropriate.

Additionally document that PORTSDIR can be passed in the environment.

PR:		228439
Approved by:	antoine (implicit)

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