<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/145756>145756</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            No CMake setting to trigger BlocksRuntime build
        </td>
    </tr>

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

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

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

<pre>
    I'm doing some embedded development for Cortex-M33 with `clang` and I'd like to use blocks in my code. However, I can't find any CMake settings/flags that would trigger BlocksRuntime to be built and installed alongside the builtins.

I was expecting a flag like `COMPILER_RT_BUILD_BLOCKS`.
</pre>
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