[all-commits] [llvm/llvm-project] a2c0ac: [llvm-exegesis] Fix musl build (#147954)

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a2c0ac06ff69f37a42845217b9a8ae1cdbacd674
      https://github.com/llvm/llvm-project/commit/a2c0ac06ff69f37a42845217b9a8ae1cdbacd674
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2025-07-10 (Thu, 10 Jul 2025)

  Changed paths:
    M llvm/tools/llvm-exegesis/lib/AArch64/Target.cpp

  Log Message:
  -----------
  [llvm-exegesis] Fix musl build (#147954)

We should not include both linux/prctl.h and sys/prctl.h. This works
with glibc because the latter includes the former, but breaks with musl
because the latter redeclares the contents of the former, resulting in:

```
/usr/local/aarch64-linux-musl/include/sys/prctl.h:88:8: error:
redefinition of 'struct prctl_mm_map'
       88 | struct prctl_mm_map {
          |        ^~~~~~~~~~~~
In file included from
/checkout/src/llvm-project/llvm/tools/llvm-exegesis/lib/AArch64/Target.cpp:13:
/usr/local/aarch64-linux-musl/include/linux/prctl.h:134:8: note:
previous definition of 'struct prctl_mm_map'
      134 | struct prctl_mm_map {
          |        ^~~~~~~~~~~~
```

Fixes https://github.com/llvm/llvm-project/issues/139443.



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