opensc: add darwin frameworks

pkgs/tools/security/opensc/default.nix

···
 { stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, zlib, readline, openssl
 , libiconv, pcsclite, libassuan, libXt
 , docbook_xsl, libxslt, docbook_xml_dtd_412
+, Carbon
 }:
 
 stdenv.mkDerivation rec {
···
   buildInputs = [
     autoreconfHook pkgconfig zlib readline openssl pcsclite libassuan
     libXt libxslt libiconv docbook_xml_dtd_412
-  ];
+  ] ++ stdenv.lib.optional stdenv.isDarwin Carbon;
 
   configureFlags = [
     "--enable-zlib"
···
   installFlags = [
     "sysconfdir=$(out)/etc"
   ];
-
-  
 
   meta = with stdenv.lib; {
     description = "Set of libraries and utilities to access smart cards";

pkgs/top-level/all-packages.nix

···
 
   openresolv = callPackage ../tools/networking/openresolv { };
 
-  opensc = callPackage ../tools/security/opensc { };
+  opensc = callPackage ../tools/security/opensc {
+    inherit (darwin.apple_sdk.frameworks) Carbon;
+  };
 
   openssh =
     callPackage ../tools/networking/openssh {