anchor.diff:  { stdenv, fetchurl, autoconf, automake, libtool, pkgconfig, file, zip, wxGTK, gtk
  -, contribPlugins ? false, hunspell, gamin, boost, libX11, cairo
  +, contribPlugins ? false, hunspell, gamin, boost
   }:
   
   with { inherit (stdenv.lib) optionalString optional optionals; };
  
positive.code:   postConfigure = optionalString stdenv.isLinux "substituteInPlace libtool --replace ldconfig ${stdenv.cc.libc}/sbin/ldconfig";
    configureFlags = [ "--enable-pch=no" ]
      ++ optional contribPlugins "--with-contrib-plugins";
  
    # for whatever reason, the build config does not set these flag ...
    NIX_CFLAGS_COMPILE = "-lX11 -lcairo";
  
    # Fix boost 1.59 compat
    # Try removing in the next version
  
negative.code:     sha256 = "044njhps4cm1ijfdyr5f9wjyd0vblhrz9b4603ma52wcdq25093p";
    };
  
    buildInputs = [ automake autoconf libtool pkgconfig file zip wxGTK gtk ]
      ++ optionals contribPlugins [ hunspell gamin boost ];
    enableParallelBuilding = true;
    patches = [ ./writable-projects.patch ];
  