Update docs with x64 build instructions.
Mike Pall
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@ -55,9 +55,7 @@ to see whether newer versions are available.
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<div class="major" style="background: #d0d0d0;">
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<h2 id="snap">Development Snapshot</h2>
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<ul>
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<li>Build of preliminary x64 interpreter can be enabled with
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<tt>make "CC=gcc -m64"</tt>.
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Only works on Linux/x64. Does not work on WIN64 or OSX/x64 (yet).</li>
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<li>Build of preliminary x64 interpreter works on Linux/x64 or WIN64.</li>
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<li>Implement yield from C hooks.</li>
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<li>Add abstract C call handling to IR.</li>
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<li>Improve KNUM fuse vs. load heuristics.</li>
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@ -54,6 +54,17 @@ LuaJIT currently builds out-of-the box on all popular x86 systems
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(Linux, Windows, OSX etc.). It builds and runs fine as a 32 bit
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application under x64-based systems, too.
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</p>
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<p class="indent" style="color: #00a000;">
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The x64 port of LuaJIT is still experimental and not enabled by default.
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It only contains the interpreter and only builds on Linux/x64 and WIN64
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right now. If you want to give it a try, follow the special build instructions
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below.
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</p>
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<p class="indent" style="color: #00a000;">
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Note that the pure interpreter is quite a bit faster than Lua, but of
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course not as fast as the x86 JIT compiler. Work on the x64 JIT compiler
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is still ongoing.
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</p>
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<h2>Configuring LuaJIT</h2>
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<p>
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@ -84,8 +95,8 @@ complete SDK.
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</p>
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<p>
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E.g. on a current Debian/Ubuntu, install <tt>libc6-dev</tt>
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with the package manager. Currently LuaJIT only builds as a 32 bit
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application, so you actually need to install <tt>libc6-dev-i386</tt>
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with the package manager. Currently LuaJIT builds as a 32 bit
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application by default, so you actually need to install <tt>libc6-dev-i386</tt>
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when building on an x64 OS.
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</p>
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<p>
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@ -106,6 +117,15 @@ which is probably the default on your system, anyway. Simply run:
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<pre class="code">
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make
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</pre>
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<div style="color: #00a000;">
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<p>
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You can force a build of the x64 interpreter on Linux/x64 with the
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following command:
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</p>
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<pre class="code">
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make CC="gcc -m64"
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</pre>
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</div>
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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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@ -122,7 +142,7 @@ 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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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 to have root privileges
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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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@ -157,9 +177,15 @@ Either install one of the open source SDKs
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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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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.
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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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@ -177,6 +203,32 @@ msvcbuild
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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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<div style="color: #00a000;">
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<p>
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Or select the x64 compiler (this only builds the interpreter right now):
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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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</div>
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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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@ -63,8 +63,10 @@ standard Lua interpreter and can be deployed as a drop-in replacement.
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<p>
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LuaJIT offers more performance, at the expense of portability. It
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currently runs on all popular operating systems based on <b>x86 CPUs</b>
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(Linux, Windows, OSX etc.). It will be ported to x64 CPUs and other
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platforms in the future, based on user demand and sponsoring.
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(Linux, Windows, OSX etc.). A port to x64 CPUs is currently ongoing —
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you can follow its progress in the <a href="http://luajit.org/download.html"><span class="ext">»</span> git repository</a>.
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Other platforms will be supported in the future, based on user demand
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and sponsoring.
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</p>
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<h2>Overview</h2>
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