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94 lines
4.3 KiB
HTML
94 lines
4.3 KiB
HTML
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<?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>Building a small memory footprint library</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="build_win.html" title="Chapter 5. Building Berkeley DB for Windows" />
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<link rel="prev" href="win_additional_options.html" title="Additional build options" />
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<link rel="next" href="build_win_test.html" title="Running the test suite under Windows" />
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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 11.2.5.2</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">Building a small memory footprint library</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="win_additional_options.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 5.
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Building Berkeley DB for Windows
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="build_win_test.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="build_win_small"></a>Building a small memory footprint library</h2>
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</div>
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</div>
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</div>
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<p>
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For applications that don't require all of the functionality of the
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full Berkeley DB library, an option is provided to build a static
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library with certain functionality disabled. In particular,
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cryptography, hash and queue access methods, replication and
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verification are all turned off. This can reduce the memory
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footprint of Berkeley DB significantly.
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</p>
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<p>
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In general on Windows systems, you will want to evaluate the size
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of the final application, not the library build. The Microsoft LIB
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file format (like UNIX archives) includes copies of all of the
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object files and additional information. The linker rearranges
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symbols and strips out the overhead, and the resulting application
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is much smaller than the library. There is also a Visual C++
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optimization to "Minimize size" that will reduce the library size
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by a few percent.
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</p>
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<p>
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A Visual C++ project file called <code class="filename">db_small</code> is
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provided for this small memory configuration. During a build,
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static libraries are created in <code class="filename">Release</code> or
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<code class="filename">Debug</code>, respectively. The library name is
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<code class="filename">libdb_small48sd.lib</code> for the debug build, or
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<code class="filename">libdb_small48s.lib</code> for the release
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build.</p>
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<p>For assistance in further reducing the size of
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the Berkeley DB library, or in building small memory footprint
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libraries on other systems, please contact Berkeley DB
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support.
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</p>
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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="win_additional_options.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="build_win.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="build_win_test.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">Additional build options </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"> Running the test suite under Windows</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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