{
  runCommand,
  pocl,
  clinfo,
  writableTmpDirAsHomeHook,
}:

runCommand "clinfo-pocl"
  {
    nativeBuildInputs = [
      clinfo
      pocl
      writableTmpDirAsHomeHook
    ];

    requiredSystemFeatures = [ "sys-devices" ];

    env.POCL_DEBUG = "error,warn";
  }
  ''
    echo $OCL_ICD_VENDORS
    clinfo >$out

    # check that we have PoCL:
    grep "Portable Computing Language" $out
  ''