K 10
svn:author
V 6
amdmi3
K 8
svn:date
V 27
2018-02-06T14:07:11.682186Z
K 7
svn:log
V 401
- Add missing python dependency
- Provide PYTHON_CMD to configure explicitly

Without it, configure tries to find python itself (trying python, python2,
python3, python2.0, .., python3.5) which is a) prone to finding incorrect
python executable and creating a hidden dependency and b) fails to detect
python3.6. So this change also fixes build with python3.6 as default.

Approved by:	portmgr blanket

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