anchor.diff:  #
   #  ggz_base_libs = callPackage ../development/libraries/ggz_base_libs {};
   #
  -#  giblib = callPackage ../development/libraries/giblib { };
  +  giblib = callPackage ../development/libraries/giblib { };
   #
   #  libgit2 = callPackage ../development/libraries/git2 { };
   #
  
positive.code: #
  #  yate = callPackage ../applications/misc/yate { };
  #
  #  inherit (pythonPackages) youtube-dl;
  #
  #  qtbitcointrader = callPackage ../applications/misc/qtbitcointrader {
  #    qt = qt4;
  
negative.code: #
  #  wiredtiger = callPackage ../development/libraries/wiredtiger { };
  #
    wxGTK = wxGTK28;
  
    wxGTK28 = callPackage ../development/libraries/wxGTK-2.8 {
      inherit (gnome) GConf;
      withMesa = lib.elem system mesa_noglu.meta.platforms;
    };
  
    wxGTK29 = callPackage ../development/libraries/wxGTK-2.9/default.nix {
      inherit (gnome) GConf;
      withMesa = lib.elem system mesa_noglu.meta.platforms;
    };
  
    wxGTK30 = callPackage ../development/libraries/wxGTK-3.0/default.nix {
      inherit (gnome) GConf;
      withMesa = lib.elem system mesa_noglu.meta.platforms;
    };
  #
  #  wxmac = callPackage ../development/libraries/wxmac { };
  #
  