<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/58104>58104</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Could not find Parallel STL anyway
        </td>
    </tr>

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

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

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

<pre>
    When building llvm with
```
cmake -G Ninja \                                                                                                                                ─╯
      -DCMAKE_BUILD_TYPE=Release \
      -DCMAKE_INSTALL_PREFIX="$HOME/llvm"\
      -DCMAKE_CXX_FLAGS="-march=native --gcc-toolchain=$HOME/dev11" \
      -DLLVM_ENABLE_LIBCXX=ON \
      -DLLVM_USE_LINKER="lld" \
      -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra;lld;lldb;pstl" \
      -DLLVM_ENABLE_RUNTIMES="compiler-rt;libcxx;libcxxabi;libunwind;openmp" \
      -DLLVM_TARGETS_TO_BUILD="X86" \
      -DLLVM_DEFAULT_TARGET_TRIPLE="x86_64-redhat-linux6E" \
      -DCLANG_DEFAULT_LINKER=lld \
      -DCLANG_DEFAULT_CXX_STDLIB=libc++ \
      -DCLANG_DEFAULT_RTLIB=compiler-rt \
      -DLIBCXX_CXX_ABI="libcxxabi" \
      -DLIBCXX_USE_COMPILER_RT=ON \
      -DLIBCXX_ENABLE_PARALLEL_ALGORITHMS=ON \
      -DLIBCXXABI_USE_COMPILER_RT=ON \
      -DLIBCXXABI_USE_LLVM_UNWINDER=ON \
      -DPSTL_PARALLEL_BACKEND="tbb" \
      ../llvm
```
fails on 
```
Performing configure step for 'runtimes'
CMake Error at /home/wangjingbo/llvm-project/libcxx/src/CMakeLists.txt:185 (message):
  Could not find ParallelSTL


-- Configuring incomplete, errors occurred!
```
seems no way to fix
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzFVV2TqjgQ_TX4ksJCvgYfeEAELzuIFjI7s09UwKiZDWCFMOP8-9sBdW_t4k7t01oUCUn36dMn3bFo9l_u64nUqOgo29P6iBj7qNAnFSdFWyqap9ja9ek_ywr_SZC6Qgmt3zFSLB_9zz8l0JW5qThaP7EULxyYDrvq0l97z0G-eIniZZ79sQ0UY5kSRnBLJPsx2yjZZV4c59s0CKM3sFd0XdHNH5t1oOih1EcujPv6b295GHur3eCmVpiXJ5jXWNAPEE49lqUqmoaVJ0zr3ugGvCcfsxn4_JNWHP--zoPEW8RBHkcLiAGOm-SB4ctOWiXPQTpwYGz_Leo23fwW-NmVdclwfVSMRT_2bFuVXATHsCbR-ncBw7kV7Fvs9CXJonVww26qM2WEq1xIHFqUl8t9ggs6zLv6k9YyUHMmdXV-HCPz0lWQ7fJsMxzxEOTNsR-7LIPQe4mzq2uepdE2Dga_i2Pntqlysj9hoTJadxc7GEXyYy9Z3aHucoMu39nKCtllSzhHaQ9pK_oCnu_c0mzw-EW_kfz64uhDeIvoevx3ZUcVGTxkzfib9TaKgxRCPSqvwfhWM14KXRLEuRevNmmU_Vjv_tUPGP2nODf7oaiT1yhZ9hqPeWx3WfwXoYXnPwfJtRZEUYxkPp3eWnnsljtgylrU1Gh0d0v4oeGVvCzLpj7QY8cJagU5I1hGiv7Eu1rQirQwHTz8tbw1A85hH8O56eGpqQgMn9Bg7wBUNFc66pk376QU8nPoDT1sOdRI2GPEtBXtVFygd7yZYwGSA3FafASwOazdUvSbDiqxbgQ6QB-hLeaYMcJApWtGv7xVFcyHNGRKtJYlxogASB8RyRmkKMuOQ1so-mxUkpaQqoV46BN_IdFA1MuEuDPbNm1nZlvOZO8a-7kxxxNBBSPuA34ICCJcfwHKpOPMPQlxbmVaegjPEf6UumIK9O7X8N81o23bSd1Dy5lp5uTkkkNhaKVlW-ahmFvzp_3BOFhP2HSIYRvE1CYMF4S1rmJBE-o1-UQ9RH_BLyfU1TVdn2marhmGOXuaavOCFNjUiDbXHdsqFZhWUCxTyWPa8OOEuz2loju2sMn687pv4ralx5qQPhzg406cGu6-NrICmkkf2u2p_wSD6xbK">