Tasks for advanced installation

You will need to use the "advanced" method of installation in the following cases: If any of these conditions is true, you need to follow an "advanced" installation method which requires that you separately install and configure the compiler. You may also need to manually uninstall previous versions of the compiler from your system.
If you are installing XL C/C++ V8.0 for the first time, perform the steps listed in Table 1. If you are installing an update to XL C/C++ V8.0, perform the steps listed in Table 2.
Table 1. Steps for advanced installation: new or upgrade installation
Task For more information, see . . .
Become either the root user or a user with administrator privileges. Documentation supplied with the operating system.
If you do not need to maintain multiple versions of the product on your system, remove any existing versions of XL C/C++ for Linux. Uninstalling XL C/C++
Ensure that all system prerequisites are satisfied. System prerequisites
Use one of the advanced installation methods to install the compiler. Advanced installation
Use the new_install or vac_configure tool to configure the compiler. Configuring XL C/C++ (for advanced users)
Confirm that the compiler packages were successfully installed, and test the installation.
Enable the compiler man pages. Enabling the man pages
If your system locale and/or encoding are not English (en_US), enable the compiler error messages. Otherwise, you can skip this step. Enabling the error messages
(Optional) Set up the environment to locate the invocation commands without the full path. Setting up the environment for the invocation commands
Table 2. Steps for advanced installation: update installation
Task For more information, see . . .
Become either the root user or a user with administrator privileges. Documentation supplied with the operating system.
Ensure that all system prerequisites are satisfied. System prerequisites
Install the update packages to the non-default location. Installing XL C/C++ to a non-default location (for advanced users)
Configure the compiler. Configuring XL C/C++ (for advanced users)
Confirm that the compiler packages were successfully installed, and test the installation.
(Optional) Set up the environment to locate the invocation commands without the full path. Setting up the environment for the invocation commands