diff -ru -x '*~' readline-6.3-orig/support/shobj-conf readline-6.3/support/shobj-conf
--- support/shobj-conf	2014-02-24 03:06:29.000000000 +0100
+++ support/shobj-conf	2014-07-22 11:18:52.000000000 +0200
@@ -194,9 +194,6 @@
 	# Darwin 8 == Mac OS X 10.4; Mac OS X 10.N == Darwin N+4
 	*)
 		case "${host_os}" in
-		darwin[89]*|darwin1[012]*)
-			SHOBJ_ARCHFLAGS='-arch_only `/usr/bin/arch`'
-			;;
 		 *) 	# Mac OS X 10.9 (Mavericks) and later
 			SHOBJ_ARCHFLAGS=
 			# for 32 and 64bit universal library