[all-commits] [llvm/llvm-project] f07511: [libc] build fix for sigsetjmp (#137047)

[Schrodinger ZHU Yifan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f07511a0e0d2ac9bee9ae12a9ad68e279e352634
      https://github.com/llvm/llvm-project/commit/f07511a0e0d2ac9bee9ae12a9ad68e279e352634
  Author: Schrodinger ZHU Yifan <yifanzhu at rochester.edu>
  Date:   2025-04-23 (Wed, 23 Apr 2025)

  Changed paths:
    M libc/src/setjmp/CMakeLists.txt
    M libc/src/setjmp/x86_64/sigsetjmp.cpp

  Log Message:
  -----------
  [libc] build fix for sigsetjmp (#137047)

This PR fixes the build failure due to the `sigsetjmp` implementation.

1. Use a most relaxed input constraint to fix `clang` build.
2. Avoid create alias target if os directory for `sigsetjmp_epilogue`
does not exist.



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