More runtime magic; this time support required for static class objects at function scope.

git-svn-id: https://arducopter.googlecode.com/svn/trunk@855 f9c3cf11-9bcb-44bc-f272-b75c42450872

libraries/AP_Common/c++.cpp

@@ -19,3 +19,17 @@ void operator delete(void *p)
 	if (p)
 		free(p);
 }
+
+__extension__ typedef int __guard __attribute__((mode (__DI__)));
+
+int __cxa_guard_acquire(__guard *g) 
+{
+	return !*(char *)(g);
+};
+
+void __cxa_guard_release (__guard *g) 
+{
+	*(char *)g = 1;
+};
+
+void __cxa_guard_abort (__guard *) {};