nobu	2012-06-13 13:09:35 +0900 (Wed, 13 Jun 2012)

  New Revision: 36052

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=36052

  Log:
    thread_pthread.c: suppress warning
    
    * thread_pthread.c (get_stack): define guard only when it is used.

  Modified files:
    trunk/thread_pthread.c

Index: thread_pthread.c
===================================================================
--- thread_pthread.c	(revision 36051)
+++ thread_pthread.c	(revision 36052)
@@ -509,7 +509,9 @@
     {int err = (expr); if (err) return err;}
 #if defined HAVE_PTHREAD_GETATTR_NP || defined HAVE_PTHREAD_ATTR_GET_NP
     pthread_attr_t attr;
+# if defined HAVE_PTHREAD_ATTR_GET_NP /* HAVE_PTHREAD_ATTR_GETGUARDSIZE */
     size_t guard = 0;
+# endif
 
 # ifdef HAVE_PTHREAD_GETATTR_NP /* Linux */
     STACK_GROW_DIR_DETECTION;

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