<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/140019>140019</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            llvm20 build error, -DLLVM_ENABLE_PROJECTS="clang;mlir;"
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang,
            mlir
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          jackniu1234
      </td>
    </tr>
</table>

<pre>
    Hi,

I encounter an error when building llvm 20 on MacOS 15, the error messages is below:

> /mlir/include/mlir/IR/Location.h:128:10: fatal error: 'mlir/IR/BuiltinLocationAttributes.h.inc' file not found
  128 | #include "mlir/IR/BuiltinLocationAttributes.h.inc"


The whole cmake command I used is:

> cmake -S llvm -B build -G "Unix Makefiles" -DLLVM_ENABLE_PROJECTS="clang;mlir;" -DCLANG_ENABLE_CIR=ON -DLLVM_BUILD_EXAMPLES=ON  -DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD="Native“

Besides, this problem misses when building llvm19.

Any help will be greatly appreciated!

</pre>
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