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125 lines
5.8 KiB
HTML
125 lines
5.8 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>System-wide configuration (Debugging with GDB)</title>
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<meta name="description" content="System-wide configuration (Debugging with GDB)">
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<meta name="keywords" content="System-wide configuration (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-Scripts.html#System_002dwide-Configuration-Scripts" rel="next" title="System-wide Configuration Scripts">
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<link href="Configure-Options.html#Configure-Options" rel="prev" title="Configure Options">
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<style type="text/css">
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</style>
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</head>
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<body lang="en">
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<a name="System_002dwide-configuration"></a>
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<div class="header">
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<p>
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Previous: <a href="Configure-Options.html#Configure-Options" accesskey="p" rel="prev">Configure Options</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="System_002dwide-configuration-and-settings"></a>
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<h3 class="section">C.6 System-wide configuration and settings</h3>
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<a name="index-system_002dwide-init-file"></a>
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<p><small>GDB</small> can be configured to have a system-wide init file;
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this file will be read and executed at startup (see <a href="Startup.html#Startup">What
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<small>GDB</small> does during startup</a>).
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</p>
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<p>Here is the corresponding configure option:
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</p>
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<dl compact="compact">
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<dt><code>--with-system-gdbinit=<var>file</var></code></dt>
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<dd><p>Specify that the default location of the system-wide init file is
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<var>file</var>.
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</p></dd>
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</dl>
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<p>If <small>GDB</small> has been configured with the option <samp>--prefix=$prefix</samp>,
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it may be subject to relocation. Two possible cases:
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</p>
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<ul>
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<li> If the default location of this init file contains <samp>$prefix</samp>,
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it will be subject to relocation. Suppose that the configure options
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are <samp>--prefix=$prefix --with-system-gdbinit=$prefix/etc/gdbinit</samp>;
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if <small>GDB</small> is moved from <samp>$prefix</samp> to <samp>$install</samp>, the system
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init file is looked for as <samp>$install/etc/gdbinit</samp> instead of
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<samp>$prefix/etc/gdbinit</samp>.
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</li><li> By contrast, if the default location does not contain the prefix,
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it will not be relocated. E.g. if <small>GDB</small> has been configured with
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<samp>--prefix=/usr/local --with-system-gdbinit=/usr/share/gdb/gdbinit</samp>,
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then <small>GDB</small> will always look for <samp>/usr/share/gdb/gdbinit</samp>,
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wherever <small>GDB</small> is installed.
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</li></ul>
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<p>If the configured location of the system-wide init file (as given by the
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<samp>--with-system-gdbinit</samp> option at configure time) is in the
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data-directory (as specified by <samp>--with-gdb-datadir</samp> at configure
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time) or in one of its subdirectories, then <small>GDB</small> will look for the
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system-wide init file in the directory specified by the
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<samp>--data-directory</samp> command-line option.
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Note that the system-wide init file is only read once, during <small>GDB</small>
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initialization. If the data-directory is changed after <small>GDB</small> has
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started with the <code>set data-directory</code> command, the file will not be
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reread.
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</p>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="System_002dwide-Configuration-Scripts.html#System_002dwide-Configuration-Scripts" accesskey="1">System-wide Configuration Scripts</a>:</td><td> </td><td align="left" valign="top">Installed System-wide Configuration Scripts
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</td></tr>
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</table>
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</body>
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</html>
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