System prerequisites

The following are the requirements for installing IBM XL Fortran Advanced Edition V10.1 for Blue Gene:

Verifying the amount of hard disk space available

XL Fortran requires about 200 MB of hard disk storage space. This amount accommodates the optional samples and documentation that are shipped with the product.

You can use the following command to determine the amount of space available in the default installation location (/opt/ibmcmp/):

   df -h /opt

If you plan to install the compiler to a non-default location, you can use the following command:

   df -h installation_path

where installation_path represents the non-default location.

Verifying that the required GNU, Perl, and Java packages are installed

Before you can install XL Fortran for Blue Gene, you should verify that the required versions of GNU, Perl, and Java packages were installed with the operating system. For a list of the required packages, see Table 8.

You can use the following command to verify that the correct versions of the required packages are installed:

   rpm -qa | grep package_name

Example: Determining the installed version of gcc-c++

To see whether gcc-c++ is installed, query for the gcc-c++ package as follows:

   rpm -qa | grep gcc-c++

If gcc-c++ version 3.3.3 is installed, you will get a result similar to the following output:

   gcc-c++-3.3.3-43.24