You can use the xlc_install utility to update XL C/C++ V8.0 when all the following conditions have been met:
http://www.ibm.com/software/awdtools/xlcpp/
# cd /home/root/update/xlc/mmmYYYY
where mmmYYYY is the month and year of the PTF
shipment date. (For example, jun2005 indicates a shipment date
in June of 2005.) # ./xlc_install -U
IBM XL C/C++ Advanced Edition for Linux has been successfully installed. To learn about setting up your environment with XL C/C++, refer to the XL C/C++ Advanced Edition V8.0 for Linux Installation Guide.This message indicates that the following has taken place: