anchor.diff:    icon-lang = callPackage ../development/interpreters/icon-lang { };
   
     libgit2 = callPackage ../development/libraries/git2 {
  -    inherit (darwin) libiconv;
       inherit (darwin.apple_sdk.frameworks) Security;
     };
   
     libgit2_0_25 = callPackage ../development/libraries/git2/0.25.nix {
  -    inherit (darwin) libiconv;
       inherit (darwin.apple_sdk.frameworks) Security;
     };
   
  
positive.code:     stdenv = overrideCC stdenv gcc6; # upstream code incompatible with gcc7
    };
  
    wavpack = callPackage ../development/libraries/wavpack {
      inherit (darwin) libiconv;
    };
  
    wayland = callPackage ../development/libraries/wayland {
      graphviz = graphviz-nox;
  
negative.code:   };
  
    libnatspec = callPackage ../development/libraries/libnatspec (
    );
  
    libndp = callPackage ../development/libraries/libndp { };
  