[issue28833] cross compilation of third-party extension modules

[Xavier de Gaye]

Xavier de Gaye <xdegaye at gmail.com> added the comment:

PR 17420 fixes cross-compilation of third-party extension modules.

The PYTHON_PROJECT_BASE environment variable is the path to the directory where Python has been cross-compiled. It is used by the native python interpreter to find the target sysconfigdata module.

For example the following command builds a wheel file to be transfered and installed with pip on the target platform, provided the native python interpreter and the cross-compiled one both have the wheel package installed:

  $ PYTHON_PROJECT_BASE=/path/to/builddir python setup.py bdist_wheel

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<https://bugs.python.org/issue28833>
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