<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/96210>96210</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            '__config_site' file not found on Ubuntu noble for libc++-18
        </td>
    </tr>

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

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

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

<pre>
    For about a week now, libc++-18 does not provide the `/usr/include/c++/v1/__config_site` header file.

```text
In file included from /usr/bin/../include/c++/v1/exception:79:
In file included from /usr/bin/../include/c++/v1/__assert:13:
In file included from /usr/bin/../include/c++/v1/__assertion_handler:13:
/usr/bin/../include/c++/v1/__config:13:10: fatal error: '__config_site' file not found
```
</pre>
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