rocmPackages.rocm-comgr: bake fallback LLVM PATH to fix C++ stdlib search

    ./fix-ccob-compat-output-filename.patch

  ];

  postPatch = ''

  postPatch =

    # Fix relative path assumption for libllvm

    ''

      substituteInPlace cmake/opencl_header.cmake \

        --replace-fail "\''${CLANG_CMAKE_DIR}/../../../" "${llvm.clang-unwrapped.lib}"

    ''

    # Bake LLVM root for cfg/includes or HIPRTC can't find C++ stdlib headers (e.g. <type_traits>).

    + ''

      substituteInPlace src/comgr-env.cpp \

        --replace-fail \

          'return EnvLLVMPath;' \

          'return EnvLLVMPath ? EnvLLVMPath : "${llvm.rocm-toolchain}";'

    '';

  nativeBuildInputs = [