332 lines
9.3 KiB
HTML
332 lines
9.3 KiB
HTML
<HTML>
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<TITLE>Compiling and Installing</TITLE>
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<link rel="stylesheet" type="text/css" href="mesa.css"></head>
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<BODY>
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<H1>Compiling and Installing</H1>
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<ol>
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<li><a href="#unix-x11">Unix / X11</a>
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<ul>
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<li><a href="#prereq-general">General prerequisites for building</a>
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<li><a href="#prereq-dri">Prerequisites for DRI and hardware acceleration</a>
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<li><a href="#autoconf">Building with autoconf</a>
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<li><a href="#traditional">Building with traditional Makefiles</a>
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<li><a href="#libs">The Libraries</a>
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<li><a href="#install">Installing the header and library files
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<li><a href="#pkg-config">Building OpenGL programs with pkg-config
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</ul>
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<li><a href="#windows">Windows</a>
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<li><a href="#scons">Building with SCons</a>
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<li><a href="#other">Other</a>
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</ol>
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<br>
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<a name="unix-x11">
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<H2>1. Unix/X11 Compilation and Installation</H1>
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<a name="prereq-general">
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<h3>1.1 General prerequisites for building</h3>
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<ul>
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<li>lex / yacc - for building the GLSL compiler.
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On Linux systems, flex and bison are used.
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Versions 2.5.35 and 2.4.1, respectively, (or later) should work.
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<br>
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<br>
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On Windows with MinGW, install flex and bison with:
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<pre>mingw-get install msys-flex msys-bison</pre>
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</li>
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<li>python - Python is needed for building the Gallium components.
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Version 2.6.4 or later should work.
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<br>
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<br>
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To build OpenGL ES 1.1 and 2.0 you'll also need
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<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>
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</ul>
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<a name="prereq-dri">
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<h3>1.2 Prerequisites 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/">dri2proto</a> version 1.99.3 or later
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<li>Linux 2.6.28
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<li><a href="http://dri.freedesktop.org/libdrm/" target="_parent">libDRM</a>
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version 2.4.15 or later
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<li>Xorg server version 1.5 or later
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</ul>
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</p>
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<p>
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If you're using a fedora distro the following command should install all
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the needed dependencies:
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<pre>
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sudo yum install flex bison imake libtool xorg-x11-proto-devel libdrm-devel \
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gcc-c++ xorg-x11-server-devel libXi-devel libXmu-devel libXdamage-devel git \
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expat-devel llvm-devel
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</pre>
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<a name="autoconf">
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<h3>1.3 Building with Autoconf</h3>
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<p>
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Mesa may be <a href="autoconf.html">built using autoconf</a>.
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This should work well on most GNU-based systems.
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If that fails the traditional Mesa build system is available.
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<a name="traditional">
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<h3>1.4 Building with traditional Makefiles</h3>
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<p>
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The traditional Mesa build system is based on a collection of pre-defined
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system configurations.
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</p>
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<p>
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To see the list of configurations, just type <code>make</code>.
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Then choose a configuration from the list and type <code>make</code>
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<em>configname</em>.
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</p>
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<p>
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Mesa may be built in several different ways using the predefined configurations:
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</p>
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<ul>
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<li><b><em>Stand-alone/Xlib mode</em></b> - Mesa will be compiled as
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a software renderer using Xlib to do all rendering.
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The libGL.so library will be a self-contained rendering library that will
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allow you to run OpenGL/GLX applications on any X server (regardless of
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whether it supports the GLX X server extension).
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You will <em>not</em> be able to use hardware 3D acceleration.
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<p>
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To compile stand-alone Mesa type <code>make</code> in the top-level directory.
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You'll see a list of supported system configurations.
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Choose one from the list (such as linux-x86), and type:
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</p>
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<pre>
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make linux-x86
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</pre>
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<p>This will produce libGL.so and several other libraries</p>
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</li>
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<li><b><em>DRI/accelerated</em></b> - The DRI hardware drivers for
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accelerated OpenGL rendering (for ATI, Intel, Matrox, etc) will be built.
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The libGL.so library will support the GLX extension and will load/use
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the DRI hardware drivers.
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<p>
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Build Mesa and the DRI hardware drivers by running
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</p>
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<pre>
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make linux-dri
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</pre>
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<p>
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There are also <code>linux-dri-x86</code>, <code>linux-dri-x86-64</code>,
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and <code>linux-ppc</code> configurations which are optimized for those
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architectures.
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</p>
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<p>
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Make sure you have the prerequisite versions of DRM and Xserver mentioned
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above.
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</p>
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</li>
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</ul>
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<p>
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Later, if you want to rebuild for a different configuration run
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<code>make realclean</code> before rebuilding.
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</p>
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<a name="libs">
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<h3>1.5 The libraries</h3>
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<p>
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When compilation has finished, look in the top-level <code>lib/</code>
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(or <code>lib64/</code>) directory.
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You'll see a set of library files similar to this:
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</p>
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<pre>
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lrwxrwxrwx 1 brian users 10 Mar 26 07:53 libGL.so -> libGL.so.1*
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lrwxrwxrwx 1 brian users 19 Mar 26 07:53 libGL.so.1 -> libGL.so.1.5.060100*
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-rwxr-xr-x 1 brian users 3375861 Mar 26 07:53 libGL.so.1.5.060100*
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lrwxrwxrwx 1 brian users 11 Mar 26 07:53 libGLU.so -> libGLU.so.1*
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lrwxrwxrwx 1 brian users 20 Mar 26 07:53 libGLU.so.1 -> libGLU.so.1.3.060100*
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-rwxr-xr-x 1 brian users 549269 Mar 26 07:53 libGLU.so.1.3.060100*
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lrwxrwxrwx 1 brian users 12 Mar 26 07:53 libglut.so -> libglut.so.3*
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lrwxrwxrwx 1 brian users 16 Mar 26 07:53 libglut.so.3 -> libglut.so.3.7.1*
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-rwxr-xr-x 1 brian users 597754 Mar 26 07:53 libglut.so.3.7.1*
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lrwxrwxrwx 1 brian users 14 Mar 26 07:53 libOSMesa.so -> libOSMesa.so.6*
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lrwxrwxrwx 1 brian users 23 Mar 26 07:53 libOSMesa.so.6 -> libOSMesa.so.6.1.060100*
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-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).
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<br>
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<b>libGLU</b> is the OpenGL Utility library.
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<br>
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<b>libglut</b> is the GLUT library.
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<br>
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<b>libOSMesa</b> is the OSMesa (Off-Screen) interface library.
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</p>
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<p>
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If you built the DRI hardware drivers, you'll also see the DRI drivers:
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</p>
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<pre>
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-rwxr-xr-x 1 brian users 16895413 Jul 21 12:11 i915_dri.so
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-rwxr-xr-x 1 brian users 11849858 Jul 21 12:12 r200_dri.so
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-rwxr-xr-x 1 brian users 16050488 Jul 21 12:11 r300_dri.so
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-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
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versions of libGL and device drivers.
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</p>
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<a name="install">
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<H3>1.6 Installing the header and library files</H3>
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<p>
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The standard location for the OpenGL header files on Unix-type systems is
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in <code>/usr/include/GL/</code>.
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The standard location for the libraries is <code>/usr/lib/</code>.
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For more information see, the
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<a href="http://oss.sgi.com/projects/ogl-sample/ABI/" target="_parent">
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Linux/OpenGL ABI specification</a>.
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</p>
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<p>
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If you'd like Mesa to co-exist with another implementation of OpenGL that's
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already installed, you'll have to choose different directories, like
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<code>/usr/local/include/GL/</code> and <code>/usr/local/lib/</code>.
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</p>
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<p>
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To install Mesa's headers and libraries, run <code>make install</code>.
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But first, check the Mesa/configs/default file and examine the values
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of the <b>INSTALL_DIR</b> and <b>DRI_DRIVER_INSTALL_DIR</b> variables.
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Change them if needed, then run <code>make install</code>.
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</p>
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<p>
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The variable
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<b>DESTDIR</b> may also be used to install the contents to a temporary
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staging directory.
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This can be useful for package management.
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For example: <code>make install DESTDIR=/somepath/</code>
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</p>
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<p>
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Note: at runtime you can use the LD_LIBRARY_PATH environment variable
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(on Linux at least) to switch
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between the Mesa libraries and other vendor's libraries whenever you want.
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This is a handy way to compare multiple OpenGL implementations.
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</p>
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<a name="pkg-config">
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<H3>1.7 Building OpenGL programs with pkg-config</H3>
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<p>
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Running <code>make install</code> will install package configuration files
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for the pkg-config utility.
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</p>
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<p>
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When compiling your OpenGL application you can use pkg-config to determine
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the proper compiler and linker flags.
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</p>
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<p>
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For example, compiling and linking a GLUT application can be done with:
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</p>
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<pre>
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gcc `pkg-config --cflags --libs glut` mydemo.c -o mydemo
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</pre>
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<br>
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<a name="windows">
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<H2>2. Windows Compilation and Installation</H1>
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<p>
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Please see the <a href="#scons">instructions on building with SCons</a>.
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</p>
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<a name="scons">
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<H2>3. Building with SCons</H1>
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<p>
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To build Mesa with SCons on Linux or Windows do
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</p>
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<pre>
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scons
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</pre>
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<p>
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The build output will be placed in
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build/<i>platform</i>-<i>machine</i>-<i>debug</i>/..., where <i>platform</i> is for
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example linux or windows, <i>machine</i> is x86 or x86_64, optionally followed
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by -debug for debug builds.
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</p>
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<p>
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To build Mesa with SCons for Windows on Linux using the MinGW crosscompiler toolchain do
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</p>
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<pre>
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scons platform=windows toolchain=crossmingw machine=x86 mesagdi libgl-gdi
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</pre>
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<p>
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This will create:
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</p>
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<ul>
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<li>build/windows-x86-debug/mesa/drivers/windows/gdi/opengl32.dll — Mesa + swrast, binary compatible with Windows's opengl32.dll
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<li>build/windows-x86-debug/gallium/targets/libgl-gdi/opengl32.dll — Mesa + Gallium + softpipe, binary compatible with Windows's opengl32.dll
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</ul>
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<p>
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Put them all in the same directory to test them.
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</p>
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<a name="other">
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<H2>4. 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>
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<li><A HREF="README.VMS">README.VMS</A> - VMS
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<LI><A HREF="README.CYGWIN">README.CYGWIN</A> - Cygwin
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<LI><A HREF="README.WIN32">README.WIN32</A> - Win32
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</UL>
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</body>
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</html>
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