Merge #271846: libkrb5: fix build on darwin

...into staging-next

pkgs/development/libraries/kerberos/krb5.nix

@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, pkg-config, perl, bison, bootstrap_cmds
-, openssl, openldap, libedit, keyutils, libverto
+, openssl, openldap, libedit, keyutils, libverto, darwin
 
 # for passthru.tests
 , bind
@@ -58,6 +58,11 @@ stdenv.mkDerivation rec {
     ++ lib.optionals (!libOnly) [ openldap libedit ]
     ++ lib.optionals withVerto [ libverto ];
 
+  propagatedBuildInputs = lib.optionals stdenv.isDarwin (with darwin.apple_sdk; [
+    libs.xpc
+    frameworks.Kerberos
+  ]);
+
   sourceRoot = "krb5-${version}/src";
 
   postPatch = ''