> Apparently the find_libraries problem has already been fixed in Python trunk: Actually I'm no longer sure. Those links contain appalling levels of complexity and ambiguity. But the fixes they describe seem to have made it into Python 3.8.5. And full support for Big Sur is expected in Python 3.8.x or 3.9.0. From https://docs.python.org/release/3.8.5/whatsnew/changelog.html: [bpo-41100](https://bugs.python.org/issue41100): Fix configure error when building on macOS 11. Note that the current Python release was released shortly after the first developer preview of macOS 11 (Big Sur); there are other known issues with building and running on the developer preview. Big Sur is expected to be fully supported in a future bugfix release of Python 3.8.x and with 3.9.0.
Bug 1661771 Comment 6 Edit History
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> Apparently the find_libraries problem has already been fixed in Python trunk: Actually I'm no longer sure. Those links contain appalling levels of complexity and ambiguity. But the fixes they describe seem to have made it into Python 3.8.5. And full support for Big Sur is expected in Python 3.8.x or 3.9.0. From https://docs.python.org/release/3.8.5/whatsnew/changelog.html: "[bpo-41100](https://bugs.python.org/issue41100): Fix configure error when building on macOS 11. Note that the current Python release was released shortly after the first developer preview of macOS 11 (Big Sur); there are other known issues with building and running on the developer preview. Big Sur is expected to be fully supported in a future bugfix release of Python 3.8.x and with 3.9.0."