anchor.diff:      url = "https://kernel.ubuntu.com/~cking/tarballs/smemstat/smemstat-${version}.tar.xz";
       sha256 = "sha256-Vrs1jOg5yHdEffVo769aaxSawo4iZtGrFJ65Nu+RhcU=";
     };
  +  patches = [
  +    # Pull patch pending upstream inclusion to support ncurses-6.3:
  +    #  https://github.com/ColinIanKing/smemstat/pull/1
  +    (fetchpatch {
  +      name = "ncurses-6.3.patch";
  +      url = "https://github.com/ColinIanKing/smemstat/commit/95119558d1679295c9f9f7f618ddbe212674a4bf.patch";
  +      sha256 = "sha256-Cl3Y0HIy1nXqBux6+AXoPuKJatSv3Z0X/4bD+MNjkAQ=";
  +    })
  +  ];
     buildInputs = [ ncurses ];
     installFlags = [ "DESTDIR=$(out)" ];
     postInstall = ''
  
positive.code: { stdenv, lib, fetchurl, ncurses }:
  
  stdenv.mkDerivation rec {
    pname = "smemstat";
  
negative.code:   '';
    meta = with lib; {
      description = "Memory usage monitoring tool";
      homepage = "https://github.com/ColinIanKing/smemstat";
      license = licenses.gpl2;
      platforms = platforms.linux;
      maintainers = with maintainers; [ womfoo ];
  