<!--$Id: small.so,v 10.4 2003/05/09 17:49:05 bostic Exp $--> <!--Copyright 1997-2003 by Sleepycat Software, Inc.--> <!--All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB Reference Guide: Building a small memory footprint library</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <table width="100%"><tr valign=top> <td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Building Berkeley DB for UNIX/POSIX systems</dl></h3></td> <td align=right><a href="../build_unix/conf.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../build_unix/flags.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p> <h3 align=center>Building a small memory footprint library</h3> <p>There are a set of configuration options to assist you in building a small memory footprint library. These configuration options turn off specific functionality in the Berkeley DB library, reducing the code size. These configuration options include:</p> <p><dl compact> <p><dt><a name="--disable-cryptography">--disable-cryptography</a><dd>To build Berkeley DB without support for cryptography, enter --disable-cryptography as an argument to configure. <p><dt><a name="--disable-hash">--disable-hash</a><dd>To build Berkeley DB without support for the Hash access method, enter --disable-hash as an argument to configure. <p><dt><a name="--disable-queue">--disable-queue</a><dd>To build Berkeley DB without support for the Queue access method, enter --disable-queue as an argument to configure. <p><dt><a name="--disable-replication">--disable-replication</a><dd>To build Berkeley DB without support for the database environment replication, enter --disable-replication as an argument to configure. <p><dt><a name="--disable-verify">--disable-verify</a><dd>To build Berkeley DB without support for database verification, enter --disable-verify as an argument to configure. <p><dt><a name="--enable-smallbuild">--enable-smallbuild</a><dd>Equivalent to individually specifying --disable-cryptography, --disable-hash, --disable-queue, --disable-replication, and --disable-verify </dl> <p>The following configuration options will increase the size of the Berkeley DB library dramatically and are only useful when debugging applications:</p> <p><dl compact> <p><dt><a href="../../ref/build_unix/conf.html#--enable-debug">--enable-debug</a><dd>Build Berkeley DB with symbols for debugging. <p><dt><a href="../../ref/build_unix/conf.html#--enable-debug_rop">--enable-debug_rop</a><dd>Build Berkeley DB with read-operation logging. <p><dt><a href="../../ref/build_unix/conf.html#--enable-debug_wop">--enable-debug_wop</a><dd>Build Berkeley DB with write-operation logging. <p><dt><a href="../../ref/build_unix/conf.html#--enable-diagnostic">--enable-diagnostic</a><dd>Build Berkeley DB with run-time debugging checks. </dl> <p>In addition, static libraries are usually smaller than shared libraries. By default Berkeley DB will build both shared and static libraries. To build only a static library, configure Berkeley DB with the <a href="../../ref/build_unix/conf.html">--disable-shared</a> option.</p> <p>While the size of the Berkeley DB library will vary depending on your compiler, system, and configuration options, the minimum size is expected to be around 350KB, and the maximum size to be around 600KB.</p> <p>For assistance in further reducing the size of the Berkeley DB library, or in building small memory footprint libraries on other systems, please contact Sleepycat Software support.</p> <table width="100%"><tr><td><br></td><td align=right><a href="../build_unix/conf.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../build_unix/flags.html"><img src="../../images/next.gif" alt="Next"></a> </td></tr></table> <p><font size=1><a href="../../sleepycat/legal.html">Copyright (c) 1996-2003</a> <a href="http://www.sleepycat.com">Sleepycat Software, Inc.</a> - All rights reserved.</font> </body> </html>
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