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349 lines
10 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<title>Installation</title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="Author" content="Mike Pall">
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<meta name="Copyright" content="Copyright (C) 2005-2010, Mike Pall">
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<meta name="Language" content="en">
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<link rel="stylesheet" type="text/css" href="bluequad.css" media="screen">
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<link rel="stylesheet" type="text/css" href="bluequad-print.css" media="print">
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<style type="text/css">
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table.compat {
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line-height: 1.2;
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width: 40em;
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}
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tr.compathead td {
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font-weight: bold;
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}
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td.compatos {
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width: 40%;
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}
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td.compatcc {
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width: 30%;
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vertical-align: top;
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}
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</style>
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</head>
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<body>
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<div id="site">
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<a href="http://luajit.org"><span>Lua<span id="logo">JIT</span></span></a>
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</div>
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<div id="head">
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<h1>Installation</h1>
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</div>
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<div id="nav">
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<ul><li>
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<a href="luajit.html">LuaJIT</a>
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<ul><li>
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<a class="current" href="install.html">Installation</a>
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</li><li>
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<a href="running.html">Running</a>
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</li><li>
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<a href="api.html">API Extensions</a>
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</li></ul>
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</li><li>
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<a href="status.html">Status</a>
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<ul><li>
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<a href="changes.html">Changes</a>
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</li></ul>
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</li><li>
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<a href="faq.html">FAQ</a>
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</li><li>
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<a href="http://luajit.org/performance.html">Performance <span class="ext">»</span></a>
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</li><li>
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<a href="http://luajit.org/download.html">Download <span class="ext">»</span></a>
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</li></ul>
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</div>
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<div id="main">
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<p>
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LuaJIT is only distributed as a source package. This page explains
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how to build and install LuaJIT with different operating systems
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and C compilers.
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</p>
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<p>
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For the impatient (on POSIX systems):
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</p>
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<pre class="code">
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make && sudo make install
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</pre>
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<p>
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LuaJIT currently builds out-of-the box on most x86 or x64 systems.
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Here's the compatibility matrix for the supported combinations of
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operating system, CPU and compilers:
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</p>
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<table class="compat">
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<tr class="compathead">
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<td class="compatos">Operating system</td>
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<td class="compatcc">x86 (32 bit)</td>
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<td class="compatcc">x64 (64 bit)</td>
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</tr>
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<tr class="odd separate">
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<td class="compatos">Linux</td>
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<td class="compatcc">GCC 4.x<br>GCC 3.4</td>
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<td class="compatcc">GCC 4.x</td>
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</tr>
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<tr class="even">
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<td class="compatos">Windows 98/XP/Vista/7</td>
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<td class="compatcc">MSVC (EE)<br>Windows SDK<br>MinGW (GCC)<br>Cygwin (GCC)</td>
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<td class="compatcc">MSVC + SDK v7.0<br>Windows SDK v7.0</td>
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</tr>
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<tr class="odd">
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<td class="compatos">OSX 10.3-10.6</td>
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<td class="compatcc">GCC 4.x<br>GCC 3.4</td>
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<td class="compatcc">GCC 4.x</td>
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</tr>
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<tr class="even">
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<td class="compatos">*BSD, other</td>
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<td class="compatcc">GCC 4.x<br>GCC 3.4</td>
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<td class="compatcc">(not supported)</td>
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</tr>
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</table>
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<h2>Configuring LuaJIT</h2>
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<p>
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The standard configuration should work fine for most installations.
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Usually there is no need to tweak the settings. The following files
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hold all user-configurable settings:
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</p>
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<ul>
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<li><tt>src/luaconf.h</tt> sets some configuration variables.</li>
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<li><tt>Makefile</tt> has settings for <b>installing</b> LuaJIT (POSIX
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only).</li>
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<li><tt>src/Makefile</tt> has settings for <b>compiling</b> LuaJIT
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under POSIX, MinGW and Cygwin.</li>
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<li><tt>src/msvcbuild.bat</tt> has settings for compiling LuaJIT with
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MSVC.</li>
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</ul>
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<p>
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Please read the instructions given in these files, before changing
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any settings.
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</p>
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<h2 id="posix">POSIX Systems (Linux, OSX, *BSD etc.)</h2>
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<h3>Prerequisites</h3>
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<p>
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Depending on your distribution, you may need to install a package for
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GCC (GCC 3.4 or later required), the development headers and/or a
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complete SDK. E.g. on a current Debian/Ubuntu, install <tt>libc6-dev</tt>
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with the package manager.
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</p>
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<p>
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Download the current source package (pick the .tar.gz), if you haven't
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already done so. Move it to a directory of your choice, open a
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terminal window and change to this directory. Now unpack the archive
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and change to the newly created directory:
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</p>
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<pre class="code">
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tar zxf LuaJIT-2.0.0-beta5.tar.gz
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cd LuaJIT-2.0.0-beta5</pre>
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<h3>Building LuaJIT</h3>
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<p>
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The supplied Makefiles try to auto-detect the settings needed for your
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operating system and your compiler. They need to be run with GNU Make,
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which is probably the default on your system, anyway. Simply run:
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</p>
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<pre class="code">
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make
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</pre>
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<p>
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This always builds a native x86 or x64 binary, depending on your OS.
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</p>
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<p>
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By default modules are only searched under the prefix <tt>/usr/local</tt>.
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You can add an extra prefix to the search paths by appending the
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<tt>PREFIX</tt> option, e.g.:
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</p>
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<pre class="code">
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make PREFIX=/home/myself/lj2
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</pre>
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<p>
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Note for OSX: <tt>MACOSX_DEPLOYMENT_TARGET</tt> is set to <tt>10.4</tt>
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in <tt>src/Makefile</tt>. Change it, if you want to build on an older version.
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</p>
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<h3>Installing LuaJIT</h3>
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<p>
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The top-level Makefile installs LuaJIT by default under
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<tt>/usr/local</tt>, i.e. the executable ends up in
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<tt>/usr/local/bin</tt> and so on. You need root privileges
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to write to this path. So, assuming sudo is installed on your system,
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run the following command and enter your sudo password:
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</p>
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<pre class="code">
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sudo make install
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</pre>
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<p>
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Otherwise specify the directory prefix as an absolute path, e.g.:
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</p>
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<pre class="code">
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make install PREFIX=/home/myself/lj2
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</pre>
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<p>
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Obviously the prefixes given during build and installation need to be the same.
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</p>
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<p style="color: #c00000;">
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Note: to avoid overwriting a previous version, the beta test releases
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only install the LuaJIT executable under the versioned name (i.e.
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<tt>luajit-2.0.0-beta5</tt>). You probably want to create a symlink
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for convenience, with a command like this:
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</p>
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<pre class="code" style="color: #c00000;">
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sudo ln -sf luajit-2.0.0-beta5 /usr/local/bin/luajit
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</pre>
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<h2 id="windows">Windows Systems</h2>
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<h3>Prerequisites</h3>
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<p>
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Either install one of the open source SDKs
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(<a href="http://mingw.org/"><span class="ext">»</span> MinGW</a> or
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<a href="http://www.cygwin.com/"><span class="ext">»</span> Cygwin</a>), which come with a modified
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GCC plus the required development headers.
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</p>
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<p>
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Or install Microsoft's Visual C++ (MSVC). The freely downloadable
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<a href="http://www.microsoft.com/Express/VC/"><span class="ext">»</span> Express Edition</a>
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works just fine, but only contains an x86 compiler.
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</p>
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<p>
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The freely downloadable
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<a href="http://msdn.microsoft.com/en-us/windowsserver/bb980924.aspx"><span class="ext">»</span> Windows SDK</a>
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only comes with command line tools, but this is all you need to build LuaJIT.
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It contains x86 and x64 compilers.
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</p>
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<p>
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Next, download the source package and unpack it using an archive manager
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(e.g. the Windows Explorer) to a directory of your choice.
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</p>
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<h3>Building with MSVC</h3>
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<p>
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Open a "Visual Studio .NET Command Prompt", <tt>cd</tt> to the
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directory where you've unpacked the sources and run these commands:
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</p>
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<pre class="code">
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cd src
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msvcbuild
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</pre>
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<p>
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Then follow the installation instructions below.
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</p>
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<h3>Building with the Windows SDK</h3>
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<p>
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Open a "Windows SDK Command Shell" and select the x86 compiler:
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</p>
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<pre class="code">
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setenv /release /x86
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</pre>
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<p>
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Or select the x64 compiler:
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</p>
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<pre class="code">
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setenv /release /x64
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</pre>
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<p>
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Then <tt>cd</tt> to the directory where you've unpacked the sources
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and run these commands:
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</p>
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<pre class="code">
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cd src
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msvcbuild
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</pre>
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<p>
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Then follow the installation instructions below.
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</p>
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<h3>Building with MinGW or Cygwin</h3>
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<p>
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Open a command prompt window and make sure the MinGW or Cygwin programs
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are in your path. Then <tt>cd</tt> to the directory where
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you've unpacked the sources and run this command for MinGW:
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</p>
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<pre class="code">
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mingw32-make
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</pre>
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<p>
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Or this command for Cygwin:
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</p>
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<pre class="code">
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make
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</pre>
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<p>
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Then follow the installation instructions below.
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</p>
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<h3>Installing LuaJIT</h3>
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<p>
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Copy <tt>luajit.exe</tt> and <tt>lua51.dll</tt> (built in the <tt>src</tt>
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directory) to a newly created directory (any location is ok).
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Add <tt>lua</tt> and <tt>lua\jit</tt> directories below it and copy
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all Lua files from the <tt>lib</tt> directory of the distribution
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to the latter directory.
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</p>
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<p>
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There are no hardcoded
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absolute path names — all modules are loaded relative to the
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directory where <tt>luajit.exe</tt> is installed
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(see <tt>src/luaconf.h</tt>).
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</p>
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<h2>Cross-compiling LuaJIT</h2>
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<p>
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The build system has limited support for cross-compilation. For details
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check the comments in <tt>src/Makefile</tt>. Here are some popular examples:
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</p>
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<p>
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You can cross-compile to a 32 bit binary on a multilib x64 OS by
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installing the multilib development packages (e.g. <tt>libc6-dev-i386</tt>
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on Debian/Ubuntu) and running:
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</p>
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<pre class="code">
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make CC="gcc -m32"
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</pre>
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<p>
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You can cross-compile for a Windows target on Debian/Ubuntu by
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installing the <tt>mingw32</tt> package and running:
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</p>
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<pre class="code">
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make CC="gcc -m32" CROSS=i586-mingw32msvc- TARGET_SYS=Windows
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</pre>
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<h2>Embedding LuaJIT</h2>
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<p>
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LuaJIT is API-compatible with Lua 5.1. If you've already embedded Lua
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into your application, you probably don't need to do anything to switch
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to LuaJIT, except link with a different library. Additional hints:
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</p>
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<ul>
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<li>Make sure you use <tt>luaL_newstate</tt>. Avoid using
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<tt>lua_newstate</tt>, since this uses the (slower) default memory
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allocator from your system (no support for this on x64).</tt></li>
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<li>Make sure you use <tt>luaL_openlibs</tt> and not the old Lua 5.0 style
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of calling <tt>luaopen_base</tt> etc. directly.</li>
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<li>To change which standard libraries to load, copy <tt>src/lib_init.c</tt>
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to your project and modify it accordingly. Make sure the <tt>jit</tt>
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library is loaded or the JIT compiler will not be activated.</li>
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<li>Here's a
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<a href="http://lua-users.org/wiki/SimpleLuaApiExample"><span class="ext">»</span> simple example</a>.</li>
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</ul>
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<p>
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64 bit applications on OSX must be linked with these options
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(only the main executable):
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</p>
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<pre class="code">
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-pagezero_size 10000 -image_base 100000000
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</pre>
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<p>
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It's recommended to <tt>rebase</tt> all (self-compiled) shared libraries
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which are loaded at runtime on OSX/x64 (e.g. C extension modules for Lua).
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See: <tt>man rebase</tt>
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</p>
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<br class="flush">
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</div>
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<div id="foot">
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<hr class="hide">
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Copyright © 2005-2010 Mike Pall
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<span class="noprint">
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·
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<a href="contact.html">Contact</a>
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</span>
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</div>
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</body>
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</html>
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