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XL C/C++: Installation Guide About This Information IBM XL C/C++ for Blue Gene/Q, V12.1 Installation Guide Ve r s i o n 12 .1 GC14-7362-00 IBM XL C/C++ for Blue Gene/Q, V12.1 Installation Guide Ve r s i o n 12 .1 GC14-7362-00 Note Before using this information and the product it supports, read the information in “Notices” on page 41. First edition This edition applies to IBM XL C/C++ for Blue Gene/Q, V12.1 (Program 5799-AG1) and to all subsequent releases and modifications until otherwise indicated in new editions. Make sure you are using the correct edition for the level of the product. © Copyright IBM Corporation 2003, 2012. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents About this information ........v Chapter 5. Configuring IBM XL C/C++ Who should read this document........v for Blue Gene/Q, V12.1 (for advanced How to use this document..........v users) ...............23 How this document is organized .......vi Running the new_install utility .......24 Conventions ..............vi Running the vac_configure utility directly ....24 Related information ............ix vac_configure options..........25 IBM XL C/C++ information ........x Standards and specifications ........xi Chapter 6. After installing IBM XL Other IBM information..........xi Other information ...........xii C/C++ for Blue Gene/Q, V12.1 .....29 Technical support ............xii Testing the installation...........29 How to send your comments ........xii Enabling the man pages ..........30 Enabling the error messages .........31 Chapter 1. Before installing IBM XL Setting up the environment for the invocation C/C++ for Blue Gene/Q, V12.1 .....1 commands...............32 Setting the PATH environment variable to include The installation image and packages ......1 the path to the compiler invocations .....32 System prerequisites ............3 Creating symbolic links to the compiler Blue Gene/Q tool chain .........5 invocations .............33 Verifying the amount of hard disk space available 5 Enabling IBM License Metric Tool (ILMT) and Tivoli Verifying that the required GNU and Perl Asset Discovery for Distributed (TADd) .....33 packages are installed ..........5 Accessing the local documentation ......34 Previewing the license agreements .......6 Viewing the HTML documentation .....34 Viewing the PDF documentation ......34 Chapter 2. Basic installation ......7 Viewing the manual pages ........34 Tasks for basic installation ..........7 Querying for installed packages .......34 Running the xlc_install utility for a new installation . 8 xlc_install options ...........10 Chapter 7. Uninstalling IBM XL C/C++ for Blue Gene/Q, V12.1 ........37 Chapter 3. Advanced installation . 11 Example: Uninstalling IBM XL C/C++ for Blue Tasks for advanced installation ........11 Gene/Q, V12.1 .............37 Installing XL C/C++ to co-reside with earlier versions ...............12 Chapter 8. Troubleshooting the Installing XL C/C++ to the same location as an earlier version ............13 installation and configuration .....39 Installing XL C/C++ to a location separate from The specified directory rpmlocation_path does not earlier versions ............14 exist. ................39 Querying for RPM package summaries .....17 rpmlocation_path does not contain... .....39 Chapter 4. Installing an update ....19 Notices ..............41 Tasks for update installation .........19 Trademarks and service marks ........43 Testing a PTF before you install it .......20 Updating a basic installation using the xlc_install Index ...............45 utility ................20 Updating an advanced installation.......22 © Copyright IBM Corp. 2003, 2012 iii iv XL C/C++: Installation Guide About this information This guide provides detailed installation instructions for IBM® XL C/C++ for Blue Gene®/Q, V12.1. It guides you through multiple ways to perform tasks and directs you to reference information in cases requiring atypical installations. It also shows you how to test the installation, launch remotely-accessible HTML help, and view different types of documentation. Please read it carefully before installing. Please also read the README file in the root directory of your installation media, which contains current information about the compiler. Who should read this document This document is intended for anyone responsible for installing IBM XL C/C++ for Blue Gene/Q, V12.1. The basic installation methods detailed in this document address the needs of the majority of users. Basic examples are tailored to reflect, as much as possible, the steps required to perform a basic installation. The advanced installation method addresses the needs of users who require a customized installation for various purposes, such as maintaining more than one version of XL C/C++ on a single system. These are users who are familiar with compiler installations and with the file structures of the versions of the compiler products installed on the system. In this document, you are referred to as an advanced user. How to use this document This document provides procedures for three main installation scenarios: "Basic" installation This scenario allows you to install a single version of XL C/C++ to a default location. This scenario is applicable to the majority of users, and is the recommended method of installation. For an overview of the steps that you need to follow to perform a basic installation, refer to Chapter 2, “Basic installation,” on page 7. "Advanced" installation This scenario allows you to maintain multiple versions of XL C/C++ on a single system, or to install the compiler to a nondefault location. This scenario is only applicable to advanced users who have specialized needs, and is not recommended for the majority of users. For an overview of the steps that you need to follow to perform an advanced installation, refer to Chapter 3, “Advanced installation,” on page 11. "Update" installation This scenario applies to users who have obtained a Program Temporary Fix (PTF) package for an existing XL C/C++ V12.1 installation. For an overview of the steps required to install a PTF, refer to Chapter 4, “Installing an update,” on page 19. © Copyright IBM Corp. 2003, 2012 v For highly specialized installation scenarios that are outside the scope of this document, refer to the Technotes at http://www.ibm.com/software/awdtools/ xlcpp/features/bg/. How this document is organized This book is organized to reflect the pre-installation, installation, post-installation, and troubleshooting phases of an XL C/C++ installation. Table 1. Phases of an XL C/C++ installation Phase Chapters User segment Pre-installation Chapter 1, “Before All users installing IBM XL C/C++ for Blue Gene/Q, V12.1,” on page 1 Installation Chapter 2, “Basic Users who: installation,” on page 7 v Want to use the simplest, most direct installation process v Do not have any special requirements, such as the use of multiple versions of the compiler. Chapter 3, “Advanced Users who: installation,” on page 11 v Want to install the compiler in a nondefault location v Want to have multiple versions of the compiler on the same system Post-installation Chapter 4, “Installing an Users who want to update XL C/C++ V12.1 update,” on page 19 to the next fix level Chapter 6, “After installing All users IBM XL C/C++ for Blue Gene/Q, V12.1,” on page 29 Product Chapter 7, “Uninstalling Any user who needs to remove an XL removal IBM XL C/C++ for Blue C/C++ compiler from the system Gene/Q, V12.1,” on page 37 Conventions Typographical conventions The following table shows the typographical conventions used in the IBM XL C/C++ for Blue Gene/Q, V12.1 information. Table 2. Typographical conventions Typeface Indicates Example bold Lowercase commands, executable The compiler provides basic names, compiler options, and invocation commands, bgxlc and directives. bgxlC (bgxlc++), along with several other compiler invocation commands to support various C/C++ language levels and compilation environments. vi XL C/C++: Installation Guide Table 2. Typographical conventions (continued) Typeface Indicates Example italics Parameters or variables whose Make sure that you update the size actual names or values are to be parameter if you return more than supplied by the user. Italics are the size requested. also used to introduce new terms. underlining The default setting of a parameter nomaf | maf of a compiler option or directive. monospace Programming keywords and To compile and optimize library functions, compiler builtins, myprogram.c, enter: bgxlc examples of program code, myprogram.c -O3. command strings, or user-defined names. Qualifying elements (icons) Most features described in this information apply to both C and C++ languages. In descriptions of language elements where a feature is exclusive to one language, or where functionality differs between languages, this information uses icons to delineate segments of text as follows: Table 3. Qualifying elements Qualifier/Icon Meaning C only, or C only begins The text describes a feature that is supported in the C language C only; or describes behavior that is specific to the C language. C C only ends C++ only, or C++ only The text describes a feature that is supported in the C++ begins language only; or describes behavior that is specific to the C++ C++ language. C++ C++ only ends IBM extension begins The text describes a feature that is an IBM extension to the IBM standard language specifications. IBM IBM extension ends C1X, or C1X begins The text describes a feature that is introduced into standard C C1X as part of C1X. C1X C1X ends C++0x, or C++0x begins The text describes a feature that is introduced into standard C++0x C++ as part of C++0x. Cz/OS++0x C++0x ends About this information vii Syntax diagrams Throughout this information, diagrams illustrate XL C/C++ syntax. This section will help you to interpret and use those diagrams. v Read the syntax diagrams from left to right, from top to bottom, following the path of the line. The ─── symbol indicates the beginning of a command, directive, or statement.
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