<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/64255>64255</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            XRay installs headers unconditionally
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          rorth
      </td>
    </tr>
</table>

<pre>
    The XRay headers are always installed, even on targets (like Solaris/amd64 and Solaris/sparcv9) where XRay isn't supported. This is useless as best, but can actually be harmful as seen in [MicroBenchmarks/XRay tests FAIL to link](https://github.com/llvm/llvm-project/issues/64249).
</pre>
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