anchor.diff:      license = licenses.gpl2;
       maintainers = [ maintainers.phreedom maintainers.qknight maintainers.domenkozar ];
       platforms = platforms.linux;
  -    broken = true;
     };
   }
  
positive.code: { stdenv, fetchurl, cmake, lzma, boost, libdevil, zlib, p7zip
  , openal, libvorbis, glew, freetype, xorg, SDL2, libGLU_combined, binutils
  , asciidoc, libxslt, docbook_xsl, docbook_xsl_ns, curl, makeWrapper
  , jdk ? null, python ? null, systemd, libunwind, glibc, which, minizip
  , withAI ? true # support for AI Interfaces and Skirmish AIs
  }:
  
  
negative.code: 
    buildInputs = [ cmake lzma boost libdevil zlib p7zip openal libvorbis freetype SDL2
      xorg.libX11 xorg.libXcursor libGLU_combined glew asciidoc libxslt docbook_xsl curl makeWrapper
      docbook_xsl_ns systemd libunwind which minizip ]
      ++ stdenv.lib.optional withAI jdk
      ++ stdenv.lib.optional withAI python;
  
  