Updating to the latest fix pack
A fix pack of IBM® XL C/C++ for Linux provides a fix or multiple fixes to the product.
You can download updates from Fix list for IBM XL C/C++ for Linux.
The following diagram shows the procedure to apply an update to your compiler.
Every fix pack comes in the tar.gz (compressed) format and includes a version of the install utility that is customized to install only the update that accompanies it. If you have any version of IBM XL C/C++ for Linux installed on your system, an earlier update included, you can apply the latest update.