{ stdenv, fetchgit, pkgs, lib }:
let 
    fs = lib.fileset;
in

stdenv.mkDerivation {
    pname = "yottadb";
    version = "1.0.0";
    /*src = fetchgit {
        url = "https://gitlab.com/YottaDB/DB/YDB.git";
        rev = "refs/tags/r2.00";
        hash = "sha256-npdULo1GrawrmnlucTXKCs9LU0X/+WD5RICKXVDcX5E=";
        deepClone = true;
        leaveDotGit = true;
    };*/
    src = fs.toSource {
     root = /home/charles/p3/YDB;
     fileset = /home/charles/p3/YDB;
   };
    buildInputs = with pkgs; [
        cmake
        pkg-config
        icu73
        git
        zlib
        libelf
        binutils
        libxcrypt
        readline
        tcsh
        curl
        file
        binutils
        ncurses
        glibc
        libgcc
    ];
    /*
    buildPhase = ''
        export HOME=$(pwd)
        echo $(pwd)
        pushd /build/YDB/
        git config --global user.email "you@example.com"
        git config --global user.name "Your Name"
        git checkout -b tmp
        touch a_file
        git add a_file
        git commit -am 'a_file makes index'
        popd
        make -j12
    '';
    */
    buildPhase = ''
        export HOME=$(pwd)
        echo $(pwd)
        export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/nix/store/wsyiyjdqqjsvrq42h13dl0cmqdbbb26i-icu4c-73.2/lib/
        make -j12
    '';

    installPhase = ''
        tmpdir=$(mktemp -d)
        make install DESTDIR=$tmpdir
        echo "installed to $tmpdir"
        cd $tmpdir/nix/store/*/yottadb_r201/
        ./ydbinstall --utf8 --installdir=$out
    '';
}