anchor.diff:      installFlagsArray+=("PREFIX=$out")
     '';
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       homepage = http://tools.suckless.org/slock;
       description = "Simple X display locker";
       license = licenses.mit;
  
positive.code:   };
  
    buildInputs = [
      xorg.libX11
      xorg.libXext
      xorg.libXrandr
      xorg.libXrender
      xorg.randrproto
      xorg.renderproto
      xorg.xproto
    ];
  
    # Don't setuid as nixbuild doesn't allow this
  
negative.code: { stdenv
  , fetchurl
  , lib
  
  , libx11
  , libxext
  , libxrandr
  , libxrender
  , xorgproto
  }:
  
  stdenv.mkDerivation rec {
  