Check you gcc version! I tried with gcc 2.9 found on AIX linux toolbox (11/2004) and gave this error! Download version gcc 3.2 available on IBM, and I succeed compilation. vincent The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender an delete the material from any computer.