nixpkgs/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/clang_complete

    preFixup = ''
      substituteInPlace "$out"/share/vim-plugins/clang_complete/plugin/clang_complete.vim \
        --replace "let g:clang_library_path = '' + "''" + ''" "let g:clang_library_path='${llvmPackages.clang.cc}/lib/libclang.so'"
    '';