System prerequisites

Ensure that your system meets all prerequisites before installing the product. Failure to meet the prerequisites will cause the installation or configuration of the compiler to fail.

The requirements for installing IBM® XL Fortran for Linux, V15.1.3 are listed below:

  • Operating system: You can use either of the following little endian operating systems supported by the IBM Power Systems™ servers:
    • Ubuntu 14.04
    • Ubuntu 14.10
    • SUSE Linux Enterprise Server 12 (SLES 12)
    • Red Hat Enterprise Linux 7.1 (RHEL 7.1)
    • Red Hat Enterprise Linux 7.2 (RHEL 7.2)
  • Hardware:

    You can use any IBM Power Systems server as long as it is supported by your operating system distribution. For a complete list of the IBM Power Systems servers, see http://www.ibm.com/systems/power/hardware/.

  • Storage:
    • Approximately 230 MB for product packages
    • Minimum of 2 GB hard drive space for paging
    • Minimum of 512 MB for temporary files
    Note: High levels of optimization can require more space for paging and temporary files.

    To verify that you have enough hard disk space available, see Verifying the amount of hard disk space available.

  • Required software:

    To determine which GNU and Perl packages are required to run the compiler on your operating system, consult the relevant table below. To verify that the required packages are installed, see Verifying that the required GNU and Perl packages are installed.

Table 1. Required minimum versions of GNU and Perl packages for the Ubuntu 14.04 and Ubuntu 14.10 operating systems
Package name Version requirements
gcc 4.8.2
g++ 4.8.2
libc6 2.19
libstdc++6 4.8.2
libgcc1 4.9
perl 5.18.2
Table 2. Required minimum versions of GNU and Perl packages for the SLES 12 operating system
Package name Version requirements
gcc 4.8
gcc-c++ 4.8
glibc 2.19
libgcc_s1 4.8.3
libstdc++6 4.8.3
perl 5.18.2
Table 3. Required minimum versions of GNU and Perl packages for the RHEL 7.1 and RHEL 7.2 operating systems
Package name Version requirements
gcc 4.8.3
gcc-c++ 4.8.3
glibc 2.17
libgcc 4.8.3
libstdc++ 4.8.3
perl 5.16.3

To view the online documentation for IBM XL Fortran for Linux, V15.1.3, you need the following environment and tools:

  • A graphical desktop environment (such as K Desktop Environment or GNOME) that supports web browsers and PDF viewers
  • A frames-capable HTML browser (to access help and other web pages)
  • A PDF viewer (to access PDF documentation)


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