anchor.diff:      inherit freetype fontconfig gettext gperf curl
         libjpeg libtiff libpng libxml2 libxslt sqlite
         icu cairo perl intltool automake libtool
  -      pkgconfig autoconf;
  +      pkgconfig autoconf bison;
       flex = flex2535;
  -    bison = bison23;
     };
   
     wxGTK = wxGTK26;
  
positive.code:     inherit fetchurl stdenv;
    };
  
    liboil = composedArgsAndFun 
      (selectVersion ../development/libraries/liboil "0.3.13") {
      inherit fetchurl stdenv pkgconfig;
      inherit (gtkLibs) glib;
  
negative.code: 
    bash = lowPrio (useFromStdenv "bash"
      (import ../shells/bash {
        inherit fetchurl stdenv bison;
      }));
  
    bashInteractive = appendToName "interactive" (import ../shells/bash/new.nix {
      inherit fetchurl stdenv ncurses texinfo bison;
      interactive = true;
    });
  
  