Installation redesign in C/C++ for AIX/Linux, V13.1
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For releases prior to C/C++ for AIX/Linux, V13.1, you can install only one product version to the default location. In this version of C/C++ for AIX/Linux compiler, multiple versions of compilers can coexist in the default installation location. When you install the C/C++ V13.1 compiler, your existing V12.1 compiler will not get uninstalled. This was achieved by differentiating the installation fileset names form those of the previous version, including the version, release and modification level (V.R.M) in the name, and installing to new locations that include V.R.M in the installation paths.
The following example shows the differences of the XL C++ tools fileset in C/C++ for AIX V12.1 and V13.1.
More details of the installation redesign can be found in the V13.1 Installation Guide.