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When python performs a cross compile, it uses a host interpreter to run steps on behalf of the foreign architecture to finalize the build. When performing these steps, foreign modules may be loaded if the SOABI matches that of the host. This can lead to issues if the modules are linked against a libc not available on the host or if the binaries include instructions unsupported by the host. For now, patch the foreign libraries out of PYTHONPATH and explicitly define the path to sysconfigdata so builds can complete without error. This method currently passes all upstream CI pipelines [0] and should also work (with some modifications) for the migration to 3.12 [1]. Fixes: http://autobuild.buildroot.net/results/c854080e003e9a7d525325073190b472a8f982aa/ [0]: https://github.com/python/cpython/pull/116294 [1]: https://lists.buildroot.org/pipermail/buildroot/2024-February/685369.html Signed-off-by: Vincent Fazio <vfazio@gmail.com> Tested-by: Yann E. MORIN <yann.morin.1998@free.fr> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>