2010-09-08 Tristan Gingold <gingold@adacore.com>

[pf3gnuchains/gcc-fork.git] / libmudflap / configure

diff --git a/libmudflap/configure b/libmudflap/configure
index 65b2daa..03aec3f 100755 (executable)
--- a/libmudflap/configure
+++ b/libmudflap/configure
@@ -11479,7 +11479,7 @@ else
 /* end confdefs.h.  */
 #include <pthread.h>
                __thread int a;
-               static int *a_in_other_thread;
+               static int *volatile a_in_other_thread;
                static void *
                thread_func (void *arg)
                {
@@ -11491,11 +11491,11 @@ main ()
 {
 pthread_t thread;
                void *thread_retval;
-               int *a_in_main_thread;
+               int *volatile a_in_main_thread;
+               a_in_main_thread = &a;
                if (pthread_create (&thread, (pthread_attr_t *)0,
                                    thread_func, (void *)0))
                  return 0;
-               a_in_main_thread = &a;
                if (pthread_join (thread, &thread_retval))
                  return 0;
                return (a_in_other_thread == a_in_main_thread);