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104 lines
4.7 KiB
HTML
104 lines
4.7 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>Compile-time configuration</title>
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<link rel="stylesheet" href="gettingStarted.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB Installation and Build Guide" />
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<link rel="up" href="debug.html" title="Chapter 3. Debugging Applications" />
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<link rel="prev" href="debug.html" title="Chapter 3. Debugging Applications" />
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<link rel="next" href="debug_runtime.html" title="Run-time error information" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.3</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">Compile-time configuration</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="debug.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 3.
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Debugging Applications
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="debug_runtime.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="debug_compile"></a>Compile-time configuration</h2>
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</div>
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</div>
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</div>
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<p>There are three compile-time configuration options that assist in
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debugging Berkeley DB and Berkeley DB applications:</p>
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<div class="variablelist">
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<dl>
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<dt>
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<span class="term">
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<a class="link" href="build_unix_conf.html#build_unix_conf.--enable-debug">--enable-debug</a>
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</span>
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</dt>
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<dd>If you want to build Berkeley DB with <span class="bold"><strong>-g</strong></span> as the C and C++ compiler
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flag, enter --enable-debug as an argument to configure. This will create
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Berkeley DB with debugging symbols, as well as load various Berkeley DB routines
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that can be called directly from a debugger to display database page
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content, cursor queues, and so forth. (Note that the <span class="bold"><strong>-O</strong></span>
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optimization flag will still be specified. To compile with only the
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<span class="bold"><strong>-g</strong></span>, explicitly set the <code class="literal">CFLAGS</code> environment variable
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before configuring.)</dd>
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<dt>
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<span class="term">
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<a class="link" href="build_unix_conf.html#build_unix_conf.--enable-diagnostic">--enable-diagnostic</a>
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</span>
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</dt>
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<dd>If you want to build Berkeley DB with debugging run-time sanity checks and with
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DIAGNOSTIC #defined during compilation, enter --enable-diagnostic as an
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argument to configure. This will cause a number of special checks to be
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performed when Berkeley DB is running. This flag should not be defined when
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configuring to build production binaries because it degrades performance.</dd>
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<dt>
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<span class="term">
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<a class="link" href="build_unix_conf.html#build_unix_conf.--enable-umrw">--enable-umrw</a>
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</span>
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</dt>
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<dd>When compiling Berkeley DB for use in run-time memory consistency checkers
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(in particular, programs that look for reads and writes of uninitialized
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memory), use --enable-umrw as an argument to configure. This
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guarantees, among other things, that Berkeley DB will completely initialize
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allocated pages rather than initializing only the minimum necessary
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amount.</dd>
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</dl>
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</div>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="debug.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="debug.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="debug_runtime.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">Chapter 3.
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Debugging Applications
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</td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> Run-time error information</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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