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  <title>Compiling and Installing</title>
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<div class="header">
  <h1>The Mesa 3D Graphics Library</h1>
</div>

<iframe src="contents.html"></iframe>
<div class="content">

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<h1>Compiling and Installing</h1>
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<ol>
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<li><a href="#prereq-general">Prerequisites for building</a>
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  <ul>
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  <li><a href="#prereq-general">General prerequisites</a>
  <li><a href="#prereq-dri">For DRI and hardware acceleration</a>
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  </ul>
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<li><a href="#autoconf">Building with autoconf (Linux/Unix/X11)</a>
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<li><a href="#scons">Building with SCons (Windows/Linux)</a>
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<li><a href="#other">Building for other systems</a>
<li><a href="#libs">Library Information</a>
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<li><a href="#pkg-config">Building OpenGL programs with pkg-config</a>
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</ol>
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<h1 id="prereq-general">1. Prerequisites for building</h1>
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<h2>1.1 General</h2>
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<ul>
<li>lex / yacc - for building the GLSL compiler.
On Linux systems, flex and bison are used.
Versions 2.5.35 and 2.4.1, respectively, (or later) should work.
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<br>
<br>
On Windows with MinGW, install flex and bison with:
<pre>mingw-get install msys-flex msys-bison</pre>
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</li>
<li>python - Python is needed for building the Gallium components.
Version 2.6.4 or later should work.
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<br>
<br>
To build OpenGL ES 1.1 and 2.0 you'll also need
<a href="http://xmlsoft.org/sources/win32/python/libxml2-python-2.7.7.win32-py2.7.exe">libxml2-python</a>.
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</li>
</ul>


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<h3 id="prereq-dri">1.2 For DRI and hardware acceleration</h3>
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<p>
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The following are required for DRI-based hardware acceleration with Mesa:
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</p>

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<ul>
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<li><a href="http://xorg.freedesktop.org/releases/individual/proto/"
target="_parent">dri2proto</a> version 2.6 or later
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<li><a href="http://dri.freedesktop.org/libdrm/" target="_parent">libDRM</a>
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version 2.4.33 or later
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<li>Xorg server version 1.5 or later
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<li>Linux 2.6.28 or later
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</ul>
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<p>
If you're using a fedora distro the following command should install all
the needed dependencies:
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</p>
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<pre>
  sudo yum install flex bison imake libtool xorg-x11-proto-devel libdrm-devel \
  gcc-c++ xorg-x11-server-devel libXi-devel libXmu-devel libXdamage-devel git \
  expat-devel llvm-devel
</pre>
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<h1 id="autoconf">2. Building with autoconf (Linux/Unix/X11)</h1>
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<p>
The primary method to build Mesa on Unix systems is with autoconf.
</p>
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<p>
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The general approach is the standard:
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</p>
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<pre>
  ./configure
  make
  sudo make install
</pre>
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<p>
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But please read the <a href="autoconf.html">detailed autoconf instructions</a>
for more details.
</p>
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<h1 id="scons">3. Building with SCons (Windows/Linux)</h1>
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<p>
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To build Mesa with SCons on Linux or Windows do
</p>
<pre>
    scons
</pre>
<p>
The build output will be placed in
build/<i>platform</i>-<i>machine</i>-<i>debug</i>/..., where <i>platform</i> is for
example linux or windows, <i>machine</i> is x86 or x86_64, optionally followed
by -debug for debug builds.
</p>

<p>
To build Mesa with SCons for Windows on Linux using the MinGW crosscompiler toolchain do
</p>
<pre>
    scons platform=windows toolchain=crossmingw machine=x86 mesagdi libgl-gdi
</pre>
<p>
This will create:
</p>
<ul>
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<li>build/windows-x86-debug/mesa/drivers/windows/gdi/opengl32.dll &mdash; Mesa + swrast, binary compatible with Windows's opengl32.dll
<li>build/windows-x86-debug/gallium/targets/libgl-gdi/opengl32.dll &mdash; Mesa + Gallium + softpipe, binary compatible with Windows's opengl32.dll
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</ul>
<p>
Put them all in the same directory to test them.
</p>



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<h1 id="other">4. Building for other systems</h1>
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<p>
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Documentation for other environments (some may be very out of date):
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</p>
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<ul>
<li><a href="README.VMS">README.VMS</a> - VMS
<li><a href="README.CYGWIN">README.CYGWIN</a> - Cygwin
<li><a href="README.WIN32">README.WIN32</a> - Win32
</ul>
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<h1 id="libs">5. Library Information</h1>
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<p>
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When compilation has finished, look in the top-level <code>lib/</code>
(or <code>lib64/</code>) directory.
You'll see a set of library files similar to this:
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</p>
<pre>
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lrwxrwxrwx    1 brian    users          10 Mar 26 07:53 libGL.so -> libGL.so.1*
lrwxrwxrwx    1 brian    users          19 Mar 26 07:53 libGL.so.1 -> libGL.so.1.5.060100*
-rwxr-xr-x    1 brian    users     3375861 Mar 26 07:53 libGL.so.1.5.060100*
lrwxrwxrwx    1 brian    users          14 Mar 26 07:53 libOSMesa.so -> libOSMesa.so.6*
lrwxrwxrwx    1 brian    users          23 Mar 26 07:53 libOSMesa.so.6 -> libOSMesa.so.6.1.060100*
-rwxr-xr-x    1 brian    users       23871 Mar 26 07:53 libOSMesa.so.6.1.060100*
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</pre>
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<p>
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<b>libGL</b> is the main OpenGL library (i.e. Mesa).
<br>
<b>libOSMesa</b> is the OSMesa (Off-Screen) interface library.
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</p>

<p>
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If you built the DRI hardware drivers, you'll also see the DRI drivers:
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</p>
<pre>
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-rwxr-xr-x   1 brian users 16895413 Jul 21 12:11 i915_dri.so
-rwxr-xr-x   1 brian users 16895413 Jul 21 12:11 i965_dri.so
-rwxr-xr-x   1 brian users 11849858 Jul 21 12:12 r200_dri.so
-rwxr-xr-x   1 brian users 16050488 Jul 21 12:11 r300_dri.so
-rwxr-xr-x   1 brian users 11757388 Jul 21 12:12 radeon_dri.so
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</pre>
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<p>
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If you built with Gallium support, look in lib/gallium/ for Gallium-based
versions of libGL and device drivers.
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</p>


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<h1 id="pkg-config">6. Building OpenGL programs with pkg-config</h1>
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<p>
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Running <code>make install</code> will install package configuration files
for the pkg-config utility.
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</p>

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<p>
When compiling your OpenGL application you can use pkg-config to determine
the proper compiler and linker flags.
</p>
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<p>
For example, compiling and linking a GLUT application can be done with:
</p>
<pre>
   gcc `pkg-config --cflags --libs glut` mydemo.c -o mydemo
</pre>
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<br>
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