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316 lines
15 KiB
HTML
316 lines
15 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Configure Options (Debugging with GDB)</title>
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<meta name="description" content="Configure Options (Debugging with GDB)">
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<meta name="keywords" content="Configure Options (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Installing-GDB.html#Installing-GDB" rel="up" title="Installing GDB">
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<link href="System_002dwide-configuration.html#System_002dwide-configuration" rel="next" title="System-wide configuration">
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<link href="Config-Names.html#Config-Names" rel="prev" title="Config Names">
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</head>
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<body lang="en">
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<a name="Configure-Options"></a>
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<div class="header">
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<p>
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Next: <a href="System_002dwide-configuration.html#System_002dwide-configuration" accesskey="n" rel="next">System-wide configuration</a>, Previous: <a href="Config-Names.html#Config-Names" accesskey="p" rel="prev">Config Names</a>, Up: <a href="Installing-GDB.html#Installing-GDB" accesskey="u" rel="up">Installing GDB</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="configure-Options"></a>
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<h3 class="section">C.5 <samp>configure</samp> Options</h3>
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<p>Here is a summary of the <samp>configure</samp> options and arguments that
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are most often useful for building <small>GDB</small>. <samp>configure</samp>
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also has several other options not listed here. See <a href="http://www.gnu.org/software/autoconf/manual/html_node/Running-configure-scripts.html#Running-configure-scripts">(autoconf.info)Running
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configure scripts</a>, for a full
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explanation of <samp>configure</samp>.
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</p>
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<div class="smallexample">
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<pre class="smallexample">configure <span class="roman">[</span>--help<span class="roman">]</span>
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<span class="roman">[</span>--prefix=<var>dir</var><span class="roman">]</span>
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<span class="roman">[</span>--exec-prefix=<var>dir</var><span class="roman">]</span>
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<span class="roman">[</span>--srcdir=<var>dirname</var><span class="roman">]</span>
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<span class="roman">[</span>--target=<var>target</var><span class="roman">]</span>
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</pre></div>
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<p>You may introduce options with a single ‘<samp>-</samp>’ rather than
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‘<samp>--</samp>’ if you prefer; but you may abbreviate option names if you use
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‘<samp>--</samp>’.
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</p>
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<dl compact="compact">
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<dt><code>--help</code></dt>
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<dd><p>Display a quick summary of how to invoke <samp>configure</samp>.
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</p>
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</dd>
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<dt><code>--prefix=<var>dir</var></code></dt>
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<dd><p>Configure the source to install programs and files under directory
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<samp><var>dir</var></samp>.
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</p>
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</dd>
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<dt><code>--exec-prefix=<var>dir</var></code></dt>
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<dd><p>Configure the source to install programs under directory
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<samp><var>dir</var></samp>.
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</p>
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</dd>
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<dt><code>--srcdir=<var>dirname</var></code></dt>
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<dd><p>Use this option to make configurations in directories separate from the
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<small>GDB</small> source directories. Among other things, you can use this to
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build (or maintain) several configurations simultaneously, in separate
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directories. <samp>configure</samp> writes configuration-specific files in
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the current directory, but arranges for them to use the source in the
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directory <var>dirname</var>. <samp>configure</samp> creates directories under
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the working directory in parallel to the source directories below
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<var>dirname</var>.
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</p>
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</dd>
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<dt><code>--target=<var>target</var></code></dt>
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<dd><p>Configure <small>GDB</small> for cross-debugging programs running on the specified
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<var>target</var>. Without this option, <small>GDB</small> is configured to debug
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programs that run on the same machine (<var>host</var>) as <small>GDB</small> itself.
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</p>
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<p>There is no convenient way to generate a list of all available
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targets. Also see the <code>--enable-targets</code> option, below.
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</p></dd>
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</dl>
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<p>There are many other options that are specific to <small>GDB</small>. This
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lists just the most common ones; there are some very specialized
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options not described here.
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</p>
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<dl compact="compact">
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<dt><code>--enable-targets=<span class="roman">[</span><var>target</var><span class="roman">]</span>…</code></dt>
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<dt><code>--enable-targets=all</code></dt>
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<dd><p>Configure <small>GDB</small> for cross-debugging programs running on the
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specified list of targets. The special value ‘<samp>all</samp>’ configures
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<small>GDB</small> for debugging programs running on any target it supports.
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</p>
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</dd>
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<dt><code>--with-gdb-datadir=<var>path</var></code></dt>
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<dd><p>Set the <small>GDB</small>-specific data directory. <small>GDB</small> will look
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here for certain supporting files or scripts. This defaults to the
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<samp>gdb</samp> subdirectory of ‘<samp>datadi</samp>’ (which can be set using
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<code>--datadir</code>).
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</p>
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</dd>
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<dt><code>--with-relocated-sources=<var>dir</var></code></dt>
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<dd><p>Sets up the default source path substitution rule so that directory
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names recorded in debug information will be automatically adjusted for
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any directory under <var>dir</var>. <var>dir</var> should be a subdirectory of
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<small>GDB</small>’s configured prefix, the one mentioned in the
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<code>--prefix</code> or <code>--exec-prefix</code> options to configure. This
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option is useful if GDB is supposed to be moved to a different place
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after it is built.
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</p>
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</dd>
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<dt><code>--enable-64-bit-bfd</code></dt>
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<dd><p>Enable 64-bit support in BFD on 32-bit hosts.
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</p>
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</dd>
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<dt><code>--disable-gdbmi</code></dt>
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<dd><p>Build <small>GDB</small> without the GDB/MI machine interface
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(see <a href="GDB_002fMI.html#GDB_002fMI">GDB/MI</a>).
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</p>
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</dd>
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<dt><code>--enable-tui</code></dt>
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<dd><p>Build <small>GDB</small> with the text-mode full-screen user interface
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(TUI). Requires a curses library (ncurses and cursesX are also
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supported).
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</p>
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</dd>
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<dt><code>--with-curses</code></dt>
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<dd><p>Use the curses library instead of the termcap library, for text-mode
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terminal operations.
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</p>
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</dd>
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<dt><code>--with-libunwind-ia64</code></dt>
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<dd><p>Use the libunwind library for unwinding function call stack on ia64
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target platforms. See http://www.nongnu.org/libunwind/index.html for
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details.
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</p>
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</dd>
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<dt><code>--with-system-readline</code></dt>
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<dd><p>Use the readline library installed on the host, rather than the
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library supplied as part of <small>GDB</small>.
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</p>
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</dd>
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<dt><code>--with-system-zlib</code></dt>
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<dd><p>Use the zlib library installed on the host, rather than the library
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supplied as part of <small>GDB</small>.
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</p>
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</dd>
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<dt><code>--with-expat</code></dt>
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<dd><p>Build <small>GDB</small> with Expat, a library for XML parsing. (Done by
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default if libexpat is installed and found at configure time.) This
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library is used to read XML files supplied with <small>GDB</small>. If it
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is unavailable, some features, such as remote protocol memory maps,
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target descriptions, and shared library lists, that are based on XML
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files, will not be available in <small>GDB</small>. If your host does not
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have libexpat installed, you can get the latest version from
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‘http://expat.sourceforge.net’.
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</p>
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</dd>
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<dt><code>--with-libiconv-prefix<span class="roman">[</span>=<var>dir</var><span class="roman">]</span></code></dt>
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<dd>
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<p>Build <small>GDB</small> with GNU libiconv, a character set encoding
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conversion library. This is not done by default, as on GNU systems
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the <code>iconv</code> that is built in to the C library is sufficient. If
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your host does not have a working <code>iconv</code>, you can get the latest
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version of GNU iconv from ‘https://www.gnu.org/software/libiconv/’.
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</p>
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<p><small>GDB</small>’s build system also supports building GNU libiconv as
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part of the overall build. See <a href="Requirements.html#Requirements">Requirements</a>.
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</p>
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</dd>
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<dt><code>--with-lzma</code></dt>
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<dd><p>Build <small>GDB</small> with LZMA, a compression library. (Done by default
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if liblzma is installed and found at configure time.) LZMA is used by
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<small>GDB</small>’s "mini debuginfo" feature, which is only useful on
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platforms using the ELF object file format. If your host does not
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have liblzma installed, you can get the latest version from
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‘https://tukaani.org/xz/’.
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</p>
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</dd>
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<dt><code>--with-mpfr</code></dt>
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<dd><p>Build <small>GDB</small> with GNU MPFR, a library for multiple-precision
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floating-point computation with correct rounding. (Done by default if
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GNU MPFR is installed and found at configure time.) This library is
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used to emulate target floating-point arithmetic during expression
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evaluation when the target uses different floating-point formats than
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the host. If GNU MPFR is not available, <small>GDB</small> will fall back
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to using host floating-point arithmetic. If your host does not have
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GNU MPFR installed, you can get the latest version from
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‘http://www.mpfr.org’.
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</p>
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</dd>
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<dt><code>--with-python<span class="roman">[</span>=<var>python</var><span class="roman">]</span></code></dt>
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<dd><p>Build <small>GDB</small> with Python scripting support. (Done by default if
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libpython is present and found at configure time.) Python makes
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<small>GDB</small> scripting much more powerful than the restricted CLI
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scripting language. If your host does not have Python installed, you
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can find it on ‘http://www.python.org/download/’. The oldest version
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of Python supported by GDB is 2.6. The optional argument <var>python</var>
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is used to find the Python headers and libraries. It can be either
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the name of a Python executable, or the name of the directory in which
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Python is installed.
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</p>
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</dd>
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<dt><code>--with-guile[=GUILE]'</code></dt>
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<dd><p>Build <small>GDB</small> with GNU Guile scripting support. (Done by default
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if libguile is present and found at configure time.) If your host
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does not have Guile installed, you can find it at
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‘https://www.gnu.org/software/guile/’. The optional argument GUILE
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can be a version number, which will cause <code>configure</code> to try to
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use that version of Guile; or the file name of a <code>pkg-config</code>
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executable, which will be queried to find the information needed to
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compile and link against Guile.
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</p>
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</dd>
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<dt><code>--without-included-regex</code></dt>
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<dd><p>Don’t use the regex library included with <small>GDB</small> (as part of the
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libiberty library). This is the default on hosts with version 2 of
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the GNU C library.
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</p>
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</dd>
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<dt><code>--with-sysroot=<var>dir</var></code></dt>
|
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<dd><p>Use <var>dir</var> as the default system root directory for libraries whose
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file names begin with <samp>/lib</samp>’ or <samp>/usr/lib'</samp>. (The value of
|
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<var>dir</var> can be modified at run time by using the <code>set
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||
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sysroot</code> command.) If <var>dir</var> is under the <small>GDB</small> configured
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prefix (set with <code>--prefix</code> or <code>--exec-prefix options</code>, the
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default system root will be automatically adjusted if and when
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<small>GDB</small> is moved to a different location.
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</p>
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</dd>
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<dt><code>--with-system-gdbinit=<var>file</var></code></dt>
|
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<dd><p>Configure <small>GDB</small> to automatically load a system-wide init file.
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<var>file</var> should be an absolute file name. If <var>file</var> is in a
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directory under the configured prefix, and <small>GDB</small> is moved to
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another location after being built, the location of the system-wide
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init file will be adjusted accordingly.
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</p>
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</dd>
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<dt><code>--enable-build-warnings</code></dt>
|
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<dd><p>When building the <small>GDB</small> sources, ask the compiler to warn about
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any code which looks even vaguely suspicious. It passes many
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different warning flags, depending on the exact version of the
|
||
|
|
compiler you are using.
|
||
|
|
</p>
|
||
|
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</dd>
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<dt><code>--enable-werror</code></dt>
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<dd><p>Treat compiler warnings as werrors. It adds the <code>-Werror</code> flag
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to the compiler, which will fail the compilation if the compiler
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|
outputs any warning messages.
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||
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</p>
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||
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|
</dd>
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||
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<dt><code>--enable-ubsan</code></dt>
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||
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<dd><p>Enable the GCC undefined behavior sanitizer. This is disabled by
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||
|
|
default, but passing <code>--enable-ubsan=yes</code> or
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||
|
|
<code>--enable-ubsan=auto</code> to <code>configure</code> will enable it. The
|
||
|
|
undefined behavior sanitizer checks for C<tt>++</tt> undefined behavior.
|
||
|
|
It has a performance cost, so if you are looking at <small>GDB</small>’s
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|
|
performance, you should disable it. The undefined behavior sanitizer
|
||
|
|
was first introduced in GCC 4.9.
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||
|
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</p></dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Next: <a href="System_002dwide-configuration.html#System_002dwide-configuration" accesskey="n" rel="next">System-wide configuration</a>, Previous: <a href="Config-Names.html#Config-Names" accesskey="p" rel="prev">Config Names</a>, Up: <a href="Installing-GDB.html#Installing-GDB" accesskey="u" rel="up">Installing GDB</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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</body>
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</html>
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