anchor.diff:  
     strictConcurrency = callPackage ../development/libraries/haskell/strictConcurrency {};
   
  -  svgcairo = callPackage ../development/libraries/haskell/svgcairo {};
  +  svgcairo = callPackage ../development/libraries/haskell/svgcairo {
  +    libc = pkgs.stdenv.gcc.libc;
  +  };
   
     systemFilepath = callPackage ../development/libraries/haskell/system-filepath {};
   
  
positive.code: 
    pango = callPackage ../development/libraries/haskell/pango {
      inherit (pkgs.gtkLibs) pango;
    };
  
    parallel_1_1_0_1 = callPackage ../development/libraries/haskell/parallel/1.1.0.1.nix {};
  
negative.code:   glade = callPackage ../development/libraries/haskell/glade {
      inherit (pkgs.gnome) libglade;
      gtkC = pkgs.gnome.gtk;
      libc = pkgs.stdenv.gcc.libc;
    };
  
    glib = callPackage ../development/libraries/haskell/glib {
      glib = pkgs.glib;
      libc = pkgs.stdenv.gcc.libc;
    };
  
    GlomeVec = callPackage ../development/libraries/haskell/GlomeVec {};
  