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Title: gh-143632: Fix the musl check for PR_SET_VMA_ANON_NAME by serhiy-storchaka · Pull Request #159886 · python/cpython · GitHub

Open Graph Title: gh-143632: Fix the musl check for PR_SET_VMA_ANON_NAME by serhiy-storchaka · Pull Request #159886 · python/cpython

X Title: gh-143632: Fix the musl check for PR_SET_VMA_ANON_NAME by serhiy-storchaka · Pull Request #159886 · python/cpython

Description: Match on the host triplet instead of the unset $ac_cv_libc. configure regenerated with autoconf 2.72. Verified: glibc x86_64 unchanged (check runs, macro defined), musl x86_64 unchanged (skipped), musl i686 now builds without ac_cv_have_decl_PR_SET_VMA_ANON_NAME=no. Matching the triplet rather than __GLIBC__ keeps the check enabled on Android/bionic, where the headers do not clash. 🤖 Generated with Claude Code Issue: gh-159885 Issue: gh-143632

Open Graph Description: Match on the host triplet instead of the unset $ac_cv_libc. configure regenerated with autoconf 2.72. Verified: glibc x86_64 unchanged (check runs, macro defined), musl x86_64 unchanged (skipped), ...

X Description: Match on the host triplet instead of the unset $ac_cv_libc. configure regenerated with autoconf 2.72. Verified: glibc x86_64 unchanged (check runs, macro defined), musl x86_64 unchanged (skipped), ...

Opengraph URL: https://github.com/python/cpython/pull/159886

X: @github

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dd58805 gh-143632: Fix the musl check for PR_SET_VMA_ANON_NAME serhiy-storchaka Oct 20, 2026 https://github.com/python/cpython/pull/159886/commits/dd58805e0d10b23e0c186ba8766efead2feab8fc
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