gh-127945: fix thread safety of creating instances of ctypes structur… · python/cpython@bc5a028

pkgconf 2.4.3 is already installed and up-to-date. To reinstall 2.4.3, run: brew reinstall pkgconf

xz 5.6.4 is already installed and up-to-date. To reinstall 5.6.4, run: brew reinstall xz

HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK is set: not checking for outdated dependents or dependents with broken linkage!