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gh-152769: Enable perf trampoline on Alpine #152774

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gh-152769: Enable perf trampoline on Alpine #152774

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4 changes: 4 additions & 0 deletions Misc/NEWS.d/next/Build/2026-07-01-17-53-00.gh-issue-152769.Kp7mQ2.rst
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Original file line number Diff line number Diff line change
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Enable the :ref:`perf profiler <perf_profiling>` trampoline on Alpine Linux with the
musl C library on ``x86_64`` and ``aarch64``. The
trampoline is architecture-specific and does not depend on the C library, so
the same assembly trampoline used for glibc is reused for musl.
6 changes: 6 additions & 0 deletions configure
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4 changes: 4 additions & 0 deletions configure.ac
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Expand Up @@ -3878,8 +3878,12 @@ PERF_TRAMPOLINE_OBJ=""
AS_CASE([$PLATFORM_TRIPLET],
[x86_64-linux-gnu], [perf_trampoline=yes
PERF_TRAMPOLINE_OBJ=Python/asm_trampoline_x86_64.o],
[x86_64-linux-musl], [perf_trampoline=yes
PERF_TRAMPOLINE_OBJ=Python/asm_trampoline_x86_64.o],
[aarch64-linux-gnu], [perf_trampoline=yes
PERF_TRAMPOLINE_OBJ=Python/asm_trampoline_aarch64.o],
[aarch64-linux-musl], [perf_trampoline=yes
PERF_TRAMPOLINE_OBJ=Python/asm_trampoline_aarch64.o],
[darwin], [AS_CASE([$MACOSX_DEPLOYMENT_TARGET],
[[10.[0-9]|10.1[0-1]]], [perf_trampoline=no],
[perf_trampoline=yes
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