anchor.diff:      inherit stdenv;
     };
   
  +  g77_40 = import ../build-support/gcc-wrapper {
  +    name = "g77-4.0";
  +    nativeTools = false;
  +    nativeLibc = false;
  +    gcc = import ../development/compilers/gcc-4.0 {
  +      inherit fetchurl stdenv noSysDirs;
  +      langF77 = true;
  +      langCC = false;
  +	inherit gmp mpfr;
  +    };
  +    inherit (stdenv.gcc) binutils libc;
  +    inherit stdenv;
  +  };
  + 
  +  g77_41 = import ../build-support/gcc-wrapper {
  +    name = "g77-4.1";
  +    nativeTools = false;
  +    nativeLibc = false;
  +    gcc = import ../development/compilers/gcc-4.1 {
  +      inherit fetchurl stdenv noSysDirs;
  +      langF77 = true;
  +      langCC = false;
  +      langC = false;
  +	inherit gmp mpfr;
  +    };
  +    inherit (stdenv.gcc) binutils libc;
  +    inherit stdenv;
  +  };
  + 
     gcc = gcc41;
   
     gcc295 = wrapGCC (import ../development/compilers/gcc-2.95 {
  
positive.code: 
    gmp = import ../development/libraries/gmp {
      inherit fetchurl stdenv m4;
    };
  
    gnet = import ../development/libraries/gnet {
  
negative.code:     inherit (xlibs) libXinerama libSM libXxf86vm xf86vidmodeproto;
    };
  
    wxGTK28fun = lib.sumArgs (import ../development/libraries/wxGTK-2.8);
  
    wxGTK28deps = wxGTK28fun {
      inherit fetchurl stdenv pkgconfig;
      inherit (gtkLibs) gtk;
      inherit (xlibs) libXinerama libSM libXxf86vm xf86vidmodeproto;
    };
  
    wxGTK28 = wxGTK28deps null;
  
    Xaw3d = import ../development/libraries/Xaw3d {
      inherit fetchurl stdenv x11 bison;
  