anchor.diff: -{ lib, stdenv, fetchurl, autoreconfHook, boost, libgsf,
  -  pkg-config, bzip2, xmlto, gettext, imagemagick, doxygen }:
  +{ lib
  +, stdenv
  +, fetchurl
  +, autoreconfHook
  +, pkg-config
  +, bzip2
  +, doxygen
  +, gettext
  +, imagemagick
  +, libgsf
  +, xmlto
  +}:
   
   stdenv.mkDerivation rec {
     name = "libpst-0.6.75";
  
positive.code:   meta = with lib; {
      homepage = "https://www.five-ten-sg.com/libpst/";
      description = "A library to read PST (MS Outlook Personal Folders) files";
      license = licenses.gpl2;
      maintainers = [maintainers.tohl];
      platforms = platforms.unix;
    };
  }
  
negative.code:     sha256 = "11wrf47i3brlxg25wsfz17373q7m5fpjxn2lr41dj252ignqzaac";
    };
  
    nativeBuildInputs = [
      autoreconfHook
      pkg-config
      doxygen
      gettext
      xmlto
    ];
  
    buildInputs = [
      bzip2
      imagemagick
      libgsf
    ];
  
    configureFlags = [
      "--enable-python=no"
      "--disable-static"
      "--enable-libpst-shared"
    ];
  
    doCheck = true;
  