--- /usr/share/aclocal/ax_pthread.m4	2011-07-23 02:27:55.000000000 +0800
+++ m4/ax_pthread.m4	2011-08-01 12:10:44.775957498 +0800
@@ -265,10 +265,10 @@
 
         AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
             ax_cv_PTHREAD_PRIO_INHERIT, [
-                AC_LINK_IFELSE(
+                AC_LINK_IFELSE([
                     AC_LANG_PROGRAM([[#include <pthread.h>]], [[int i = PTHREAD_PRIO_INHERIT;]]),
                     [ax_cv_PTHREAD_PRIO_INHERIT=yes],
-                    [ax_cv_PTHREAD_PRIO_INHERIT=no])
+                    [ax_cv_PTHREAD_PRIO_INHERIT=no]])
             ])
         AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
             AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have PTHREAD_PRIO_INHERIT.]))