<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/121163>121163</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            `Building libc++` instructions fail on linux
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc++
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          rconde01
      </td>
    </tr>
</table>

<pre>
    Following these directions using gcc 13.1 on Redhat EL9:
https://releases.llvm.org/19.1.0/projects/libcxx/docs/BuildingLibcxx.html#id4

`ninja -C build runtimes` gives:

```
CMake Error at /home/rconde/Documents/cn2/p/b/clang4e9cde48f94f6/b/libunwind/src/CMakeLists.txt:102 (message):
  Compiler doesn't support generation of unwind tables if exception support
  is disabled.  Building libunwind DSO with runtime dependency on C++ ABI
  library is not supported.
```
</pre>
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