Move flag_plugin_added out of invoke_plugin_callbacks.

2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/43935
	* plugin.h (flag_plugin_added): Moved out of
	invoke_plugin_callbacks.

From-SVN: r158905

gcc/ChangeLog

+2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/43935
+	* plugin.h (flag_plugin_added): Moved out of
+	invoke_plugin_callbacks.
+
 2010-04-29  Richard Guenther  <rguenther@suse.de>
 
 	PR bootstrap/43935

gcc/plugin.h

@@ -35,6 +35,8 @@ extern void print_plugins_versions (FILE *file, const char *indent);
 extern void print_plugins_help (FILE *file, const char *indent);
 extern void finalize_plugins (void);
 
+extern bool flag_plugin_added;
+
 /* Called from inside GCC.  Invoke all plugin callbacks registered with
    the specified event.
    Return PLUGEVT_SUCCESS if at least one callback was called,
@@ -49,8 +51,6 @@ invoke_plugin_callbacks (int event ATTRIBUTE_UNUSED,
 {
 #ifdef ENABLE_PLUGIN
   /* True iff at least one plugin has been added.  */
-  extern bool flag_plugin_added;
-
   if (flag_plugin_added)
     return invoke_plugin_callbacks_full (event, gcc_data);
 #endif