1<?xml version="1.0" encoding="utf-8" ?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 4<head> 5<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 6<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> 7<title>The MPL Reference Manual: BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</title> 8<link rel="stylesheet" href="../style.css" type="text/css" /> 9</head> 10<body class="docframe refmanual"> 11<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./configuration.html" class="navigation-link">Prev</a> <a href="./cfg-no-has-xxx.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group">Back <a href="./cfg-no-has-xxx.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./configuration.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 12<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./macros.html" class="navigation-link">Macros</a> / <a href="./configuration.html" class="navigation-link">Configuration</a> / <a href="./cfg-no-preprocessed-headers.html" class="navigation-link">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a></td> 13</tr></table><div class="header-separator"></div> 14<div class="section" id="boost-mpl-cfg-no-preprocessed-headers"> 15<h1><a class="toc-backref" href="./configuration.html#id1598">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a></h1> 16<div class="section" id="id1343"> 17<span id="boost-mpl-cfg-no-preprocessed"></span><h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> 18<pre class="literal-block"> 19// #define <a href="./cfg-no-preprocessed-headers.html" class="identifier">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a> 20</pre> 21</div> 22<div class="section" id="id1344"> 23<h3><a class="subsection-title" href="#description" name="description">Description</a></h3> 24<p><tt class="literal"><span class="pre"><a href="./cfg-no-preprocessed-headers.html" class="identifier">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a></span></tt> is an boolean configuration macro 25regulating library's internal use of preprocessed headers. When defined, it 26instructs the MPL to discard the pre-generated headers found in 27<tt class="literal"><span class="pre">boost/mpl/aux_/preprocessed</span></tt> directory and use <a class="reference external" href="http://boost-consulting.com/tmpbook/preprocessor.html" target="_top">preprocessor 28metaprogramming</a> techniques to generate the necessary versions of the 29library components on the fly.</p> 30<p>In this implementation of the library, the macro is not defined by default. 31To change the default configuration, define 32<tt class="literal"><span class="pre"><a href="./cfg-no-preprocessed-headers.html" class="identifier">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a></span></tt> before including any library 33header.</p> 34</div> 35<div class="section" id="id1346"> 36<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> 37<p><a class="reference internal" href="./macros.html">Macros</a>, <a class="reference internal" href="./configuration.html">Configuration</a></p> 38<!-- Macros/Configuration//BOOST_MPL_CFG_NO_HAS_XXX |20 --> 39</div> 40</div> 41 42<div class="footer-separator"></div> 43<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./configuration.html" class="navigation-link">Prev</a> <a href="./cfg-no-has-xxx.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group">Back <a href="./cfg-no-has-xxx.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./configuration.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 44<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> 45Distributed under the Boost Software License, Version 1.0. (See accompanying 46file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body> 47</html> 48