Build corruption when using `PYO3_CONFIG_FILE` environment variable

In PyO3 0.23.0 the PYO3CONFIGFILE environment variable used to configure builds regressed such that changing the environment variable would no longer trigger PyO3 to reconfigure and recompile. In combination with workflows using tools such as maturin to build for multiple versions in a single...

GHSA-VXCF-C7MX-PG53 Build corruption when using `PYO3_CONFIG_FILE` environment variable

In PyO3 0.23.0 the PYO3CONFIGFILE environment variable used to configure builds regressed such that changing the environment variable would no longer trigger PyO3 to reconfigure and recompile. In combination with workflows using tools such as maturin to build for multiple versions in a single...