This section lists the procedures you must perform before, during, and after an advanced installation.
If you want to maintain multiple versions of XL C/C++ in the same location on the same system, follow the steps in this table.
| Task | Further information |
|---|---|
| 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 IBM XL C/C++ for Blue Gene/Q . | Uninstalling IBM XL C/C++ for Blue Gene/Q, V12.1 |
| Ensure that all system prerequisites are satisfied. | System prerequisites |
| Install IBM® XL C/C++ for Blue Gene®/Q, V12.1. | Installing XL C/C++ to the same location as an earlier version (for advanced users) |
| Use the vac_configure tool to configure the compiler. | Running the vac_configure utility directly (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 is not en_US, enable the compile-time error messages for en_US.utf8your locale. 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 |
If you want to install IBM XL C/C++ for Blue Gene/Q, V12.1 to a nondefault location, separate from any other versions of XL C/C++ on the same system, follow the steps in this table.
| Task | Further information |
|---|---|
| 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 IBM XL C/C++ for Blue Gene/Q. | Uninstalling IBM XL C/C++ for Blue Gene/Q, V12.1 |
| Ensure that all system prerequisites are satisfied. | System prerequisites |
| Install IBM XL C/C++ for Blue Gene/Q, V12.1. | Installing XL C/C++ to a location separate from earlier versions (for advanced users) |
| Use the new_install or vac_configure tool to configure the compiler. | Configuring IBM XL C/C++ for Blue Gene/Q, V12.1 (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 is not en_US, enable the compile-time error messages for en_US.utf8your locale. 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 |