[issue28190] Detect curses headers correctly for cross-compiling

[Xavier de Gaye]

Xavier de Gaye added the comment:

The only change that is needed here is to not include /usr/include/ncursesw in setup.py when cross compiling to ensure that the headers of the build platform are not included.  When cross compiling Python, it is the responsability of the packager to set the appropriate CPPFLAGS and LDFLAGS upon invoking configure, so that the curses headers are included and the curses libraries are linked at build time.
The same is true for the other extension modules, readline, openssl, libffi, etc...

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28190>
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