[Python-Dev] backporting the _sysconfigdata.py module to 2.7

[Benjamin Peterson]

2013/3/21 Matthias Klose <doko at ubuntu.com>:
> I'd like to backport issue13150, the _sysconfigdata.py module to 2.7. My
> motivation is not the improved startup time, but the ability to cross-build
> extension modules using distutils/setuptools.  The basic idea is to use the
> python interpreter of the build machine (the machine you build on), and the
> _sysconfigdata.py for the host machine (the machine you build for).  This kind
> of setup works fine as long as the setup.py for a third party package gets all
> build related information from the sysconfig.py module, and not directly from os
> or sys (e.g. sys.platform).
>
> The patch for issue13150 doesn't change any API's, but only moves the
> computation of the config vars from runtime to build time.  I'd like to avoid
> backporting this to 3.2 as well, because the cross-build support is currently
> only found in 2.7, 3.3 and the trunk.

This is a fairly small non-userfacing change, so okay.



-- 
Regards,
Benjamin