[issue20211] setup.py: do not add system header locations when cross compiling

[Chi Hsuan Yen]

Chi Hsuan Yen added the comment:

Modified this issue a bit and add some experts on the build system

----------
nosy: +zach.ware
title: setup.py: do not add invalid header locations -> setup.py: do not add system header locations when cross compiling
versions: +Python 3.5, Python 3.6, Python 3.7 -Python 3.4

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20211>
_______________________________________