[all-commits] [llvm/llvm-project] d3e11d: [OpenMP][AMDGPU][CI] Fix libc build (#209336)

[Kewen Meng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d3e11d415a7dd7b594a023830df71500a272a8ca
      https://github.com/llvm/llvm-project/commit/d3e11d415a7dd7b594a023830df71500a272a8ca
  Author: Kewen Meng <Kewen.Meng at amd.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M offload/ci/openmp-offload-amdgpu-libc-runtime.py

  Log Message:
  -----------
  [OpenMP][AMDGPU][CI] Fix libc build (#209336)

This PR attempts to fix the error:
```
llvm-lit: /home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.src/llvm/utils/lit/lit/discovery.py:273: warning: input '/home/botworker/builds/openmp-offload-amdgpu-runtime-2/build/llvm.build/runtimes/runtimes-amdgpu-amd-amdhsa-bins/libc/test' contained no tests
error: did not discover any tests for provided path(s)
```

According to lib/test/CMakeList.txt, we need to set
`CMAKE_CROSSCOMPILING_EMULATOR` to avoid early return in the cmake. It
only changes the build script instead of the parent cmake cache file.
Not sure if this is the optimal solution, but it works for us.



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