[pypy-dev] help needed: libffi and recent macOS

[Matti Picus]

It seems the pypy 7.3.1 tarball is broken on macOS since it links to an installation of libffi in the non-standard location `/usr/local/opt/libffi/lib/libffi.6.dylib`, see issue 3229[0]. This is due to macOS 10.15.3 not shipping its own libffi (is this true?), so the buildbot owner (CC) had to install it via homebrew. I don't know anything about macOS: - should we bundle libffi together in the tarball we supply? - is there a way to tell clang to statically link libffi.a rather than dynamically link to libffi.dylib? Is that desirable? Any help would be appreciated, even better would be a pull request - to pypy/tool/release/packaging.py to make the equivalent of a "portable PyPy" for macOS, or to at least bundle libffi.dylib so the runtime loader could find it or - to statically link libffi.a when building PyPY. Thanks, Matti [0] https://foss.heptapod.net/pypy/pypy/issues/3229.

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