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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../../general.ent">
%general-entities;
<!ENTITY libunwind-download-http "https://download.savannah.nongnu.org/releases/libunwind/libunwind-&libunwind-version;.tar.gz">
<!ENTITY libunwind-download-ftp " ">
<!ENTITY libunwind-md5sum "10c96118ff30b88c9eeb6eac8e75599d">
<!ENTITY libunwind-size "940 KB">
<!ENTITY libunwind-buildsize "21 MB (with tests)">
<!ENTITY libunwind-time "0.2 SBU (with tests)">
]>
<sect1 id="libunwind" xreflabel="libunwind-&libunwind-version;">
<?dbhtml filename="libunwind.html"?>
<title>libunwind-&libunwind-version;</title>
<indexterm zone="libunwind">
<primary sortas="a-libunwind">libunwind</primary>
</indexterm>
<sect2 role="package">
<title>Introduction to libunwind</title>
<para>
The <application>libunwind</application> package contains a portable and
efficient C programming interface (API) to determine the call-chain of a
program. The API additionally provides the means to manipulate the
preserved (callee-saved) state of each call-frame and to resume execution
at any point in the call-chain (non-local goto). The API supports both
local (same-process) and remote (across-process) operation.
</para>
&lfs122_checked;
<bridgehead renderas="sect3">Package Information</bridgehead>
<itemizedlist spacing="compact">
<listitem>
<para>
Download (HTTP): <ulink url="&libunwind-download-http;"/>
</para>
</listitem>
<listitem>
<para>
Download (FTP): <ulink url="&libunwind-download-ftp;"/>
</para>
</listitem>
<listitem>
<para>
Download MD5 sum: &libunwind-md5sum;
</para>
</listitem>
<listitem>
<para>
Download size: &libunwind-size;
</para>
</listitem>
<listitem>
<para>
Estimated disk space required: &libunwind-buildsize;
</para>
</listitem>
<listitem>
<para>
Estimated build time: &libunwind-time;
</para>
</listitem>
</itemizedlist>
<bridgehead renderas="sect3">libunwind Dependencies</bridgehead>
<bridgehead renderas="sect4">Optional</bridgehead>
<para role="optional">
<xref linkend="texlive"/> (for latex2man)
</para>
</sect2>
<sect2 role="installation">
<title>Installation of libunwind</title>
<para>
Install <application>libunwind</application> by running the following
commands:
</para>
<screen><userinput>./configure --prefix=/usr --disable-static &&
make</userinput></screen>
<para>
To test the results, issue: <command>make check</command>. Two
tests, run-coredump-unwind and run-coredump-unwind-mdi are known
to fail.
</para>
<para>
Now, as the <systemitem class="username">root</systemitem> user:
</para>
<screen role="root"><userinput>make install</userinput></screen>
</sect2>
<sect2 role="commands">
<title>Command Explanations</title>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
href="../../xincludes/static-libraries.xml"/>
</sect2>
<sect2 role="content">
<title>Contents</title>
<segmentedlist>
<segtitle>Installed Programs</segtitle>
<segtitle>Installed Libraries</segtitle>
<segtitle>Installed Directories</segtitle>
<seglistitem>
<seg>
None
</seg>
<seg>
libunwind.so,
libunwind-coredump.so,
libunwind-generic.so (symlink to libunwind-x86_64.so),
libunwind-ptrace.so,
libunwind-setjmp.so, and
libunwind-x86_64.so (libunwind-x86.so on i686)
</seg>
<seg>
/usr/libexec/libunwind
</seg>
</seglistitem>
</segmentedlist>
</sect2>
</sect1>
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