--- configure.orig	2010-09-13 09:44:44.000000000 +0800
+++ configure	2010-09-13 09:47:25.000000000 +0800
@@ -5693,6 +5693,9 @@
 CC="$ac_save_cc"
 fi
 
+# XXX Explicitly disable system pthread libraries.
+ac_cv_pthread=no
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_pthread" >&5
 $as_echo "$ac_cv_pthread" >&6; }
 fi