<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/55465>55465</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Runtime section of build doesn't respect build rules
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            runtime libraries
      </td>
    </tr>

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

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

<pre>
    Given `ninja -C build -j 4`, the runtime section of the LLVM build will still continue to use all available resources, rather than limiting to just four threads.

It also attempts to rebuild everything when doing an independent `ninja install`, even if nothing has changed.
</pre>
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