pocl: use lib.mapAttrsToList in cmakeFlags

      "static_cast<size_t>(Dev.getInfo<CL_DEVICE_GLOBAL_MEM_SIZE>())"

  '';

  cmakeFlags = [

  cmakeFlags =

    (lib.mapAttrsToList lib.cmakeBool {

      # avoid the runtime linker pulling in a different llvm e.g. from graphics drivers

    (lib.cmakeBool "STATIC_LLVM" true)

    (lib.cmakeBool "ENABLE_POCL_BUILDING" false)

    (lib.cmakeBool "POCL_ICD_ABSOLUTE_PATH" true)

    (lib.cmakeBool "ENABLE_ICD" true)

    (lib.cmakeBool "ENABLE_REMOTE_CLIENT" true)

    (lib.cmakeBool "ENABLE_REMOTE_SERVER" true)

    (lib.cmakeFeature "CLANG" "${clangWrapped}/bin/clang")

    (lib.cmakeFeature "CLANGXX" "${clangWrapped}/bin/clang++")

  ]

      "STATIC_LLVM" = true;

      "ENABLE_POCL_BUILDING" = false;

      "POCL_ICD_ABSOLUTE_PATH" = true;

      "ENABLE_ICD" = true;

      "ENABLE_REMOTE_CLIENT" = true;

      "ENABLE_REMOTE_SERVER" = true;

    })

    ++ (lib.mapAttrsToList lib.cmakeFeature {

      "CLANG" = "${clangWrapped}/bin/clang";

      "CLANGXX" = "${clangWrapped}/bin/clang++";

    })

    # Only x86_64 supports "distro" which allows runtime detection of SSE/AVX

    ++ lib.optionals stdenv.hostPlatform.isx86_64 [

      (lib.cmakeFeature "KERNELLIB_HOST_CPU_VARIANTS" "distro")