ntp: 4.2.8 -> 4.2.8p2

pkgs/tools/networking/ntp/default.nix

···
-{ stdenv, fetchurl, libcap, autoreconfHook }:
+{ stdenv, fetchurl, autoreconfHook, libcap ? null }:
 
 assert stdenv.isLinux -> libcap != null;
 
 stdenv.mkDerivation rec {
-  name = "ntp-4.2.8";
+  name = "ntp-4.2.8p2";
 
   src = fetchurl {
     url = "http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/${name}.tar.gz";
-    sha256 = "1vnqa1542d01xmlkw8f3rq57y360b2j7yxkkg9b11955nvw0v4if";
+    sha256 = "0ccv9kh5asxpk7bjn73vwrqimbkbfl743bgx0km47bfajl7bqs8d";
   };
 
-  patches = [ ./no-openssl.patch ];
+  configureFlags = stdenv.lib.optional (libcap != null) "--enable-linuxcaps";
 
-  configureFlags = ''
-    --without-crypto
-    ${if stdenv.isLinux then "--enable-linuxcaps" else ""}
-  '';
-
-  buildInputs = [ autoreconfHook ] ++ stdenv.lib.optional stdenv.isLinux libcap;
+  buildInputs = [ autoreconfHook libcap ];
 
   postInstall = "rm -rf $out/share/doc";
 

pkgs/top-level/all-packages.nix

···
 
   ntopng = callPackage ../tools/networking/ntopng { };
 
-  ntp = callPackage ../tools/networking/ntp { };
+  ntp = callPackage ../tools/networking/ntp {
+    libcap = if stdenv.isLinux then libcap else null;
+  };
 
   numdiff = callPackage ../tools/text/numdiff { };