This section lists the procedures you must perform before, during, and after an update installation.
If the compiler has been installed to the default directory, /opt/ibmcmp/, you must follow the steps outlined in the following table.
| Task | For more information, see . . . |
|---|---|
| Become either the root user or a user with administrator privileges. | Documentation supplied with the operating system. |
| Use the xlc_install tool to install the update packages. | Updating a basic installation using the xlc_install utility |
| Confirm that the compiler packages have been successfully installed, and test the installation. | |
| (Optional) If you do not choose to create symbolic links to the compiler invocation commands during the update process, set up the environment to locate the invocation commands without the full path. Otherwise, you can skip this step. | Setting up the environment for the invocation commands |
If the compiler has been installed to any directory other than /opt/ibmcmp/, you must follow the steps outlined in the following table.
| Task | For more information, see . . . |
|---|---|
| Become either the root user or a user with administrator privileges. | Documentation supplied with the operating system. |
| Uninstall all XL C/C++ packages except vac.lic. | Updating an advanced installation |
| Install update packages to the non-default location. | Installing XL C/C++ to a location separate from earlier versions (for advanced users) |
| Configure the compiler. | Configuring IBM XL C/C++ for Linux, V11.1 (for advanced users) |
| Confirm that the compiler packages have been 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 |