<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/98872>98872</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Trying to build with libc runtume but not libc headers
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          Desperado17
      </td>
    </tr>
</table>

<pre>
    Clang 17, Ubuntu 22.04, llvm 17.0.6:

```
cmake -G Ninja -S runtimes -B msan_out  \
    -DCMAKE_BUILD_TYPE=Release \
 -DLLVM_ENABLE_RUNTIMES="compiler-rt;libc;libcxx;libcxxabi;libunwind" \
 -DCMAKE_C_COMPILER=clang \
    -DCMAKE_CXX_COMPILER=clang++ \
 -DLLVM_USE_SANITIZER=MemoryWithOrigins
```

I see the libcxx headers in output include directory but no libc headers like time.h .

Am I missing something?

Regards
</pre>
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