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<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>STLport: Running configure</title><link href="doc.css" type="text/css" rel="stylesheet"></head><body marginwidth="0" marginheight="0" leftmargin="0" topmargin="0" vlink="#314A30" link="#314A30" text="black" bgcolor="white"><table border="0" cellspacing="0" cellpadding="0"><tr valign="top" align="left"><td width="24"><img src="images/trans.gif" border="0" height="1" width="24"></td><td width="776"><img border="0" height="14" width="1" src="images/trans.gif"><br><a href="../index.html"><img src="images/stl_logo_doc.gif" border="0" height="80" width="80"></a><a href="http://www.stlport.com"><img border="0" height="80" width="461" src="images/t_doc2.gif"></a><br><img src="images/trans.gif" border="0" height="24" width="1"><br><img src="images/black.gif" border="0" height="1" width="776"><br><img src="images/trans.gif" border="0" height="24" width="1"></td></tr><tr valign="top" align="left"><td width="24"><img src="images/trans.gif" border="0" height="1" width="24"></td><td width="776"><img src="images/trans.gif" border="0" height="10" width="776"></td></tr><tr valign="top" align="left"><td width="24"><img src="images/trans.gif" border="0" height="1" width="24"></td><td width="776">
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<span class="heading">Running "configure"</span>
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<font size="1"><em><strong>by Boris Fomitchev</strong></em></font>
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<h3>Configuring STLport for new compiler with UNIX shell</h3>
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<p><i>Note: this document describes the procedure ot tuning STLport for
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new compiler, not the one that is already supported. If your compiler is listed
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as supported, this is absolutely unnecessary.</i></p>
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<p>STLport comes with "configure" shell script to help in the
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initial step to tune the library for a new compiler.
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It sets up stlconf.h configuration header
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with proper flags depending on features of the compiler and user-defined
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options.
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Recommended way to create new configuration is to run "configure"
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in "config/new_compiler" directory and create <b>stl_yourcompiler.h</b> in "config"
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directory based on switches defined by "configure" in stlconf.h.
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<b>Do not</b> expect STLport to be configured just by running "configure".
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</p>
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<p>Here is an example how to specify the parameters to "configure" (for Bourne-like
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shells): <b><br>
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host> cd STLport/config<br>
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host> CXX=CC CXXFLAGS="-xwe -noex" ./configure --enable-malloc</b></p>
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<p>This will set up workarounds necessary for "<b>CC</b>"
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compiler as well as specify malloc-based allocator as the default one. <br>
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Run "<b>configure --help</b>" to see list of options
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available. For most reliable results, you should specify <b>CXXFLAGS</b>
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to contain the option turning warnings into errors.
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"configure" tries to scan warnings, but that not always works.
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After testing your compiler features and setting options specified,
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"configure" creates <b>stlconf.h</b> file using <b>config/stlconf.h</b>
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as input. Macro <b>__AUTO_CONFIGURED</b> indicates that the package has
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been configured. If it is not set (before you run configure), <b>stlconf.h</b>
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includes <b>stlcomp.h</b> header to set up conservative configuration
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and recognize the compiler version. <b>config/stlconf.h</b> can be
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safely copied to stlconf.h to restore unconfigured status-quo.</p>
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<h3>Configuring STLport on other platforms</h3>
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The above may also work on other systems with UNIX-like toolsets on
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them. <br>
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For example, the <a href="http://www.cygnus.com">cygwin32</a>
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suite for Windows 95/NT runs "configure" just fine.
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<br>
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You can also change <stlcomp.h> for your system manually.<br>
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Please consider contributing your changes back to the STLport
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project!
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<h3>"configure" synopsys (Bourne shells):</h3>
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<p>> [environment] <b>./configure</b> [user-defined options]</p>
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<h3>"configure" synopsys (C-shells):</h3>
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<p>> <b>env </b>[environment] <b>./configure</b> [user-defined
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options]</p>
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<p><b>"configure" script runs series of tests to determine
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detailed characteristics of your compiler.</b></p>
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<p>In [environment] , you may specify the following parameters</p>
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<p><b>CXX=<compiler_name>, </b>default is <b>c++</b></p>
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<p><b>CXXFLAGS=<<i>cxx compiler flags you will most likely use</i>>
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. <br>
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</b>That may be needed to set up some features correctly. That is, if
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you plan to use exception handling, and your compiler doesn't enable
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them by default, specify the option enabling EH there. <br>
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It is also helpful to specify an option turning warnings into errors
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here to get most reliable configuration ( For example, warnings could be
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like that : <i>"Warning: namespaces are mostly broken in this
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release"</i>, and they're indeed broken. ).</p>
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<p>In case you are not able to run configure, you might have to know
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internal STLport macros describing compiler features/bugs
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Please refer to the <a href="configure.html">Configuration Manual</a> for the values.
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</p>
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<h3>Modifying the configuration engine</h3>
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<p>Don't edit the "configure" script directly, use <b>config/configure.in</b>
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source + <b>GNU autoconf</b> instead.</p>
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</td></tr><tr valign="top" align="left"><td width="24"><img src="images/trans.gif" border="0" height="1" width="24"></td><td width="776"><img src="images/trans.gif" border="0" height="20" width="50"><br><a href="index.html">Table of Contents</a><br></td></tr><tr valign="top" align="left"><td width="24"><img src="images/trans.gif" border="0" height="1" width="24"></td><td width="776"><img src="images/trans.gif" border="0" height="40" width="80"><br><img src="images/black.gif" border="0" height="1" width="776"></td></tr><tr valign="top" align="left"><td width="24"><img src="images/trans.gif" border="0" height="1" width="24"></td><td width="776"><img src="images/black.gif" border="0" height="1" width="776"></td></tr><tr valign="top" align="left"><td width="24"><img src="images/trans.gif" border="0" height="1" width="24"></td><td width="776"><img src="images/trans.gif" border="0" height="5" width="50"><br><span class="copyright">Copyright 2001 by STLport</span><br><img src="images/trans.gif" border="0" height="50" width="80"></td></tr></table></body></html>
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