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IBM XL C/C++ for Linux 16.1.1



IBM XL C/C++ for Linux 16.1.1 has been made generally available.

Download Description

Table of Contents
Sections Description

The Change history section provides an overview on what is new in this release with a description of any new functions or enhancements when applicable.

The Prerequisites section provides important information to review prior to the installation of this release.

The Download package section provides download options to obtain the package for installation in your environment.

The Installation instructions section provides the installation instructions necessary to apply this release into your environment.

Supporting Documentation
Document Description

IBM Knowledge Center provides an entry point to product documentation. You can view, browse, and search online information related to the product.

You can also visit the XL C++ for Linux library to review additional documentation.

Click to review a complete list of the defects (APARs) resolved in this release including a list of resolved defects for the entire version family.

IBM XL C, C++, and Fortran Compilers for POWER servers community developer forums and blog.


  • For system requirements, review System prerequisites .
  • Note that as of Version 16.1 of XL C/C++ for Linux, the compiler component for big endian distributions is no longer included with the package. Clients are still able to acquire the compiler for big endian distributions by ordering the previous versions that continue to be in marketing.

Installation Instructions


Download Package

Download options
Access type Description

Passport Advantage and Passport Advantage Express clients are required to sign in to download the software package.

If you are entitled for XL C/C++ for Linux and need to download your software from Passport Advantage, perform the following steps:

  1. Logon to Passport Advantage .
  2. Select Software Downloads and Media Access.
  3. Select the Download Finder.
  4. Select Find by description or part number.
  5. Select the Product Description and All radio buttons and enter XL C/C++ for Linux in the description field.
  6. Select Continue.
  7. Expand the eAssemblies and you will see your entitled software.

Clients ordering via the AAS or ESU channel are required to sign in to the Entitled Software Support (ESS) website to download the software package.

PartnerWorld users must sign in to the PartnerWorld website to access the Software Access Catalog.

Change History

What's new

For information about new features and enhancements, review the Announcement letter .


Technical Support

Tab navigation


IBM XL Compiler Support



Helpful Hints For Obtaining Technical Assistance:

Before you contact IBM XL Compiler Support, gather the background information that you need to describe the problem. When you describe a problem to an IBM software support specialist, be as specific as possible and include all relevant background information. To save time, know the answers to these questions:

  • What compiler version and fix pack level were you using when the problem occurred? This can be found by compiling with the -qversion=verbose compiler option.
  • Can a source test case be provided to IBM? Can the issue be reduced to a small test case?
  • Do you have logs, traces, or messages that are related to the problem?
  • Can you reproduce the problem? If so, what steps and compiler options do you use to reproduce it?
  • Is there a workaround for the problem? If so, be prepared to describe the workaround.


If you have helpful information to diagnose or identify the problem on your system, you can upload this data by following the instructions to exchange information with IBM Technical Support .


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Document Information

Modified date:
06 February 2019