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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Chapter 2. Setup</title><meta name="generator" content="DocBook XSL Stylesheets V1.74.3" /><meta name="keywords" content=" ISO C++ , library " /><link rel="home" href="../spine.html" title="The GNU C++ Library Documentation" /><link rel="up" href="intro.html" title="Part I. Introduction" /><link rel="prev" href="bugs.html" title="Bugs" /><link rel="next" href="configure.html" title="Configure" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 2. Setup</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="bugs.html">Prev</a> </td><th width="60%" align="center">Part I.
Introduction
</th><td width="20%" align="right"> <a accesskey="n" href="configure.html">Next</a></td></tr></table><hr /></div><div class="chapter" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title"><a id="manual.intro.setup"></a>Chapter 2. Setup</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="setup.html#manual.intro.setup.prereq">Prerequisites</a></span></dt><dt><span class="sect1"><a href="configure.html">Configure</a></span></dt><dt><span class="sect1"><a href="make.html">Make</a></span></dt><dt><span class="sect1"><a href="test.html">Test</a></span></dt><dd><dl><dt><span class="sect2"><a href="test.html#test.organization">Organization</a></span></dt><dt><span class="sect2"><a href="test.html#test.run">Running the Testsuite</a></span></dt><dt><span class="sect2"><a href="test.html#test.new_tests">Writing a new test case</a></span></dt><dt><span class="sect2"><a href="test.html#test.harness">Test Harness and Utilities</a></span></dt></dl></dd></dl></div><p>To transform libstdc++ sources into installed include files
and properly built binaries useful for linking to other software is
a multi-step process. Steps include getting the sources,
configuring and building the sources, testing, and installation.
</p><p>The general outline of commands is something like:
</p><pre class="programlisting">
<span class="emphasis"><em>get gcc sources</em></span>
<span class="emphasis"><em>extract into gccsrcdir</em></span>
mkdir <span class="emphasis"><em>gccbuilddir</em></span>
cd <span class="emphasis"><em>gccbuilddir</em></span>
<span class="emphasis"><em>gccsrcdir</em></span>/configure --prefix=<span class="emphasis"><em>destdir</em></span> --other-opts...
make
make check
make install
</pre><p>
Each step is described in more detail in the following sections.
</p><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="manual.intro.setup.prereq"></a>Prerequisites</h2></div></div></div><p>
Because libstdc++ is part of GCC, the primary source for
installation instructions is
<a class="ulink" href="http://gcc.gnu.org/install/" target="_top">the GCC install page</a>.
In particular, list of prerequisite software needed to build the library
<a class="ulink" href="http://gcc.gnu.org/install/prerequisites.html" target="_top">
starts with those requirements.</a> The same pages also list
the tools you will need if you wish to modify the source.
</p><p>
Additional data is given here only where it applies to libstdc++.
</p><p>As of GCC 4.0.1 the minimum version of binutils required to build
libstdc++ is <code class="code">2.15.90.0.1.1</code>. You can get snapshots
(as well as releases) of binutils from
<a class="ulink" href="ftp://sources.redhat.com/pub/binutils" target="_top">
ftp://sources.redhat.com/pub/binutils</a>.
Older releases of libstdc++ do not require such a recent version,
but to take full advantage of useful space-saving features and
bug-fixes you should use a recent binutils whenever possible.
The configure process will automatically detect and use these
features if the underlying support is present.
</p><p>
Finally, a few system-specific requirements:
</p><div class="variablelist"><dl><dt><span class="term">linux</span></dt><dd><p>
If gcc 3.1.0 or later on is being used on linux, an attempt
will be made to use "C" library functionality necessary for
C++ named locale support. For gcc 3.2.1 and later, this
means that glibc 2.2.5 or later is required and the "C"
library de_DE locale information must be installed.
</p><p>
Note however that the sanity checks involving the de_DE
locale are skipped when an explicit --enable-clocale=gnu
configure option is used: only the basic checks are carried
out, defending against misconfigurations.
</p><p>
If the 'gnu' locale model is being used, the following
locales are used and tested in the libstdc++ testsuites.
The first column is the name of the locale, the second is
the character set it is expected to use.
</p><pre class="programlisting">
de_DE ISO-8859-1
de_DE@euro ISO-8859-15
en_HK ISO-8859-1
en_PH ISO-8859-1
en_US ISO-8859-1
en_US.ISO-8859-1 ISO-8859-1
en_US.ISO-8859-15 ISO-8859-15
en_US.UTF-8 UTF-8
es_ES ISO-8859-1
es_MX ISO-8859-1
fr_FR ISO-8859-1
fr_FR@euro ISO-8859-15
is_IS UTF-8
it_IT ISO-8859-1
ja_JP.eucjp EUC-JP
se_NO.UTF-8 UTF-8
ta_IN UTF-8
zh_TW BIG5
</pre><p>Failure to have the underlying "C" library locale
information installed will mean that C++ named locales for the
above regions will not work: because of this, the libstdc++
testsuite will skip the named locale tests. If this isn't an
issue, don't worry about it. If named locales are needed, the
underlying locale information must be installed. Note that
rebuilding libstdc++ after the "C" locales are installed is not
necessary.
</p><p>
To install support for locales, do only one of the following:
</p><div class="itemizedlist"><ul type="disc"><li><p>install all locales</p><div class="itemizedlist"><ul type="circle"><li><p>with RedHat Linux:
</p><p> <code class="code"> export LC_ALL=C </code>
</p><p> <code class="code"> rpm -e glibc-common --nodeps </code>
</p><p>
<code class="code"> rpm -i --define "_install_langs all"
glibc-common-2.2.5-34.i386.rpm
</code>
</p></li><li><p>
Instructions for other operating systems solicited.
</p></li></ul></div></li><li><p>install just the necessary locales</p><div class="itemizedlist"><ul type="circle"><li><p>with Debian Linux:</p><p> Add the above list, as shown, to the file
<code class="code">/etc/locale.gen</code> </p><p> run <code class="code">/usr/sbin/locale-gen</code> </p></li><li><p>on most Unix-like operating systems:</p><p><code class="code"> localedef -i de_DE -f ISO-8859-1 de_DE </code></p><p>(repeat for each entry in the above list) </p></li><li><p>
Instructions for other operating systems solicited.
</p></li></ul></div></li></ul></div></dd></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="bugs.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="intro.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="configure.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Bugs </td><td width="20%" align="center"><a accesskey="h" href="../spine.html">Home</a></td><td width="40%" align="right" valign="top"> Configure</td></tr></table></div></body></html>
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