Sorry, here is the environment information :
gcc --version
gcc (GCC) 4.1.2 20070115 (prerelease) (SUSE Linux)
Copyright (C) 2006 Free Software Foundation, Inc.
uname -a
Linux app_platform_dev 2.6.16.60-0.21-domU-101126 #1 SMP Fri Nov 26 11:56:53 CST 2010 i686 i686 i386 GNU/Linux