<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/62821>62821</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            compile clang with -DLIBCXXABI_USE_LLVM_UNWINDER=ON failed
        </td>
    </tr>

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

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

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

<pre>
    ```
cmake -G Ninja -S llvm -B build \
 -DCMAKE_BUILD_TYPE=Release \
  -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
 -DCMAKE_ASM_COMPILER=/usr/local/bin/clang \
 -DCMAKE_C_COMPILER=/usr/local/bin/clang \
 -DCMAKE_CXX_COMPILER=/usr/local/bin/clang++ \
 -DLLVM_PARALLEL_COMPILE_JOBS=5 \
  -DLLVM_PARALLEL_LINK_JOBS=1 \
 -DLLVM_BUILD_EXAMPLES=ON \
  -DLLVM_TARGETS_TO_BUILD="X86" \
 -DLLVM_ENABLE_ASSERTIONS=ON \
  -DLIBCXXABI_USE_LLVM_UNWINDER=ON \
 -DLLVM_CCACHE_BUILD=ON \
  -DLLVM_ENABLE_LLD=on \
 -DLLVM_ENABLE_PROJECTS='clang;lldb;lld;mlir;clang-tools-extra;compiler-rt;openmp;libclc;libc;' \
 -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind"
```
```

Error evaluating generator expression:

 $<TARGET_LINKER_FILE:$<IF:$<TARGET_EXISTS:unwind_shared>,unwind_shared,unwind_static>>

 No target "unwind_static"

```
</pre>
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