On Thu, Feb 24, 2005 at 12:28:55AM -0300, Pedro Lamar?o wrote: > - GCC 4.0 offers the possibility of defining symbols as "hidden", > minimizing the overhead of shared object dynamic loading. Well, visibility attribute have been there already in GCC 3.2.3-RH. -fvisibility=* and visibility attribute for classes that is new in upstream 4.0 has been backported to GCC 3.4.2-RH and later, so is already available in FC3/RHEL4 GCC. Jakub