--- configure.orig	2013-05-27 11:55:56.000000000 -0400
+++ configure	2013-06-14 01:19:04.000000000 -0400
@@ -18514,9 +18514,6 @@
         ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
         ;;
 
-        darwin*)
-        ax_pthread_flags="-pthread $ax_pthread_flags"
-        ;;
 esac
 
 if test x"$ax_pthread_ok" = xno; then