2002-04-20 23:49:28 +08:00
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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2002-04-21 04:35:02 +08:00
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<meta name="GENERATOR" content="Mozilla/4.6 [en-gb]C-CCK-MCD NetscapeOnline.co.uk (Win95; I) [Netscape]">
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<title>OSG Distribution</title>
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2002-04-20 23:49:28 +08:00
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</head>
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2002-04-21 04:35:02 +08:00
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<body text="#000000" bgcolor="#FFFFFF" link="#0000FF" vlink="#990066" alink="#FF0000">
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<img SRC="OpenSceneGraphBanner_Distribution.jpg" height=77 width=640>
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<h2>
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<a NAME="Compiling and installing the OpenSceneGraph"></a><u>Compiling and installing the OpenSceneGraph</u></h2>
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<p>
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The scene graph depends upon Standard C++, STL and OpenGL so you need
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2002-04-20 23:49:28 +08:00
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a C++ compiler up to the task and OpenGL or Mesa installed. The viewer
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depends upon GLUT which you'll need to download and install from the GLUT
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website. The OSG has it own native ascii file format, and .rgb image reader
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inbuilt which allows you read the example data with any dependencies other
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than C++, STL and OpenGL.
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2002-04-21 04:35:02 +08:00
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</p>
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<p>
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The osgText library adds the dependency of the freetype library
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2002-04-20 23:49:28 +08:00
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for support of true type fonts, however it is not essential to the core
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library, so you can comment it out from compilation by modifying the src/Makefile,
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and src/Demos/Makefile. I you wish to use fonts then you can download freetype
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from www.freetype.org. The osgText library also requires an up to date
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GLU implementation which supports GLU1.2 tessellation routines. If you
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your current GLU is out of date you'll need to download the latest, for
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instance the sgi's sample implementation for GLU from the www.opengl.org
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website.
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2002-04-21 04:35:02 +08:00
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</p>
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<p>
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The OSG also has a set of plug-ins which support non-native 3d database
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2002-04-20 23:49:28 +08:00
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and image formats, several have no dependencies on external libraries (flt,3ds,obj,
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lwo,dw, tga & pic), while others (pfb,jpeg,gif,tiff) require other
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libraries to be installed to compile them. If you don't already have them
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installed then don't worry, you'll still be able to use the OSG, just comment
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out the plugins you can't compile from the src/osgPlugins/Makefile. The
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core osg library and viewer has been designed to load the plug-ins at run-time
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only and if they are required to load a specific data set. If you don't
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need them for your datasets then it won't matter that you haven't been
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able to compile all the plug-ins. A full list of dependencies and where
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to download the required libraries are listed in the
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<i><a href="dependencies.html">
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dependencies.html</a></i>
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2002-04-21 04:35:02 +08:00
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</p>
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<p>
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If you're coming across the OSG for the first time and want to get started
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2002-04-20 23:49:28 +08:00
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quickly, go right ahead and follow the compilation instructions. You can
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always later download the libraries which the plug-ins require if you eventually
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2002-04-21 17:51:59 +08:00
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need them.
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</p>
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<ul>
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<li><a href="#Compiling under Windows with Visual Studio">Compiling under Windows with Visual Studio</a></li>
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<br>
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<li>Compiling under Unix (including Mac OSX and Cygwin)</li>
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<br>
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<p>
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Building the OSG requires 'gmake', due to the extensive use of gmake directives
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in the Makefiles. You can get gmake from here if you don't already have
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it installed: http://www.gnu.org/software/make/
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</p>
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2002-04-21 04:35:02 +08:00
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2002-04-21 17:51:59 +08:00
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<p>
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Almost all of the unix compling is done simply with <b>make; make install</b> with <b>make help</b> to bring up help.
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For platform specific details:
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</p>
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<ul>
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<li><a href="#Cygwin">Cygwin</a></li>
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<li><a href="#Linux">Linux</a></li>
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<li><a href="#Free BSD">Free BSD</a></li>
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<li><a href="#Mac OSX">Mac OSX</a></li>
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<li><a href="#IRIX">IRIX</a></li>
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<li><a href="#Solaris">Solaris</a></li>
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</ul>
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</ul>
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2002-04-21 04:35:02 +08:00
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<hr>
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2002-04-20 23:49:28 +08:00
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<h2>
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<u><a name="Compiling under Windows with Visual Studio">Compiling under Windows with Visual Studio.</a></u></h2>
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2002-04-21 04:35:02 +08:00
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<p>The Microsoft Visual C++ 6.0 workspace file is VisualStudio.dsw located
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in the VisualStudio below the OSG this root directory. The OSG will compile
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with the basic VisualC++6.0, but its recommended that you use Service Pack
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4 to fix MS compiler bugs which affect the OSG. Even Service Pack 4 does
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not completely fix MSVC bugs associated with STL, so it is recommended
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that you also use STLPort which can be downloaded from http://www.stlport.org
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since they actually know how to write a STL library and have done a rather
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good job at it. Notes on using STLport at the bottom of this file.
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</p>
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<p>The OSG is composed of a number of libraries and executables, to get
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running you'll need at least to compile osg,osgUtil,osgDB,osgGLUT, dot_osg
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and sgv. The rest of the libraries and executables are optional and can
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be compiled if you need them, however for simplicity I would recommend
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doing a batch build of all the libraries and executables in the distribution,
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some of the plug-ins which support non native file formats may not compile
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due to dependencies on other libraries (such as libpng), you can ignore
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these compilation errors unless you need to load the related file types.
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</p>
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<p>To execute the viewer the file path for the .dll's and .exe, both compiled
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into the OSG's bin directory, need to be setup, such as by adding the PATH
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to your autoexec.bat, its also useful to add the OSGFILEPATH to your autoexec.bat
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to help the location of datafiles. For example :
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</p>
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<p>SET OSGFILEPATH=D:\OpenSceneGraph-Data;D:\OpenSceneGraph-Data\Images</p>
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<br>SET PATH=C:\WINDOWS;C:\WINDOWS\COMMAND;D:\osg-0.8.43\bin;
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<p>To help compilation of the image reader plugins, various image libraries
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have been zipped up for your convienice, your find these on the OSG release
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download directory.
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<h2>
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Using STLport under Windows</h2>
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</p>
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The OSG has been tested under Windows with STLport-4.5, which allows the
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users to configure the type of STL support required for STLport itself.
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The key configuration that the OSG needs to do is to enable the wrapping
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of MS's own iostreams, than using STLport's own implementation. The later
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is not required because this has not be problematic under Windows, it is
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only the container classes and algorithms that need replacing (thanks to
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MS's utterly hopeless implementation of these). Using the iostream wrappping
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option means the STLport can just be used on your include path, there is
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no need to compile STLport itself, or link into any special libraries.
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To configure STLport simply comment IN (its commented out by default),
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the follwing line from STLport-4.5/stlport/stl_user_config.h so it should
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look: # define _STLP_NO_OWN_IOSTREAMS 1 Then configure the includes path
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in Visual Studio to pick up on STLport: Select the "Tools" menu. Select
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"Options" In the Options dialog, select the "Directories" tab Under the
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"include" option, add the path to STLport4.5, something like: D:/STLport4.5/stlport
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Then press the up array to move the entry all the way to the top of the
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list, thus overriding MS's own STL implementations.
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</p>
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<br>
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<hr>
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2002-04-21 17:51:59 +08:00
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<h2><u><a name="Linux">Compiling under Linux</a></u></h2>
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2002-04-20 23:49:28 +08:00
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Compile, from the OSG root directory, ('%' is UNIX csh prompt) type:
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<blockquote><tt>% make</tt></blockquote>
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Note, make should automatically detect linux and build optimized targets
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for your system. And if you wish to install the OSG type:
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<blockquote><tt>% make install</tt></blockquote>
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or
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<blockquote><tt>% make instlinks</tt></blockquote>
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To get full details of make options, type:
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<blockquote><tt>% make help</tt></blockquote>
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(highly recommended)
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<p>The osgText library now depends upon GLU1.3 functionality, and only
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the recent Mesa version have this as stanadard. Unfortnately not all Linux
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distribtions are upto date even recent ones. If you have problems compiling
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osgText due to GLU problems then check out the details at the bottom of
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this file, under the title RedHat7.1 & GLU1.3 for a quick way of installing
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GLU1.3 in the right place.
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2002-04-21 04:35:02 +08:00
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<h2>
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RedHat 7.2 & GLU1.3</h2>
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I have posted a simple fix for those of us who have been unable to correctly
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build OSG 0.8.43 on Redhat 7.2. You can download it at http://www.openscenegraph.org/download/dependencies/ReadHat7.2_fixglu.tar.gz
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To install it, follow these steps:
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<p>English
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<blockquote>1) Untar the tarball. It will create a directory called fixosg/
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<br>2) Change to the ReadHat7.2_fixglu/ directory
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<br>3) Become root
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<br>4) Run the script called fixglu</blockquote>
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Cmd line
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<blockquote>tar xvzf ReadHat7.2_fixglu.tar.gz
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<br>cd ReadHat7.2_fixglu/
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<br>su (your root password)
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<br>./fixglu
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<br>exit</blockquote>
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You should then be able to do a "make" in your OSG directory and everything
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will build as it should. Let me know if this doesn't work and I will try
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to improve it. Email me directly for help instead of posting here. There's
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a README in the tarball with some info on what the script actually does.
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There's nothing wrong with OSG itself; the problem with Redhat 7.2 is that
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it doesn't have GLU 1.3 by default, which OSG is now dependent on (for
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osgText.) Good luck everyone. - Clay
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<br>
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<br>
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<hr>
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2002-04-21 17:51:59 +08:00
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<h2><u><a name="Free BSD">Compiling under FreeBSD</a></u></h2>
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2002-04-20 23:49:28 +08:00
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Compile, from the OSG root directory, ('%' is UNIX csh prompt) type:
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<blockquote><tt>% make</tt></blockquote>
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Note, make should automatically detect linux and build optimized targets
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for your system. And if you wish to install the OSG type:
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<blockquote><tt>% make install</tt></blockquote>
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or
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<blockquote><tt>% make instlinks</tt></blockquote>
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To get full details of make options, type:
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<blockquote><tt>% make help</tt></blockquote>
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(highly recommended)
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2002-04-21 04:35:02 +08:00
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<br>
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<br>
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<hr>
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2002-04-21 17:51:59 +08:00
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<h2><u><a name="IRIX">Compiling under IRIX</a></u></h2>
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2002-04-20 23:49:28 +08:00
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Since the OSG uses Standard C++ features such as STL it is important to
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have an up to date version of the MIPSPro compilers, ie. 7.3 or later.
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Support for MIPSPro7.2.1 has now been dropped since it was becoming to
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unwildy to support and is very rarely used in the OSG commiunity. It is
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recommended to use MIPSPro7.3.1.1m.
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<p>Compile, from the OSG root directory, ('%' is UNIX csh prompt) type:
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<blockquote><tt>% make</tt></blockquote>
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Note, make should automatically detect linux and build optimized targets
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for your system. And if you wish to install the OSG type:
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<blockquote><tt>% make install</tt></blockquote>
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or
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<blockquote><tt>% make instlinks</tt></blockquote>
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To get full details of make options, type:
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<blockquote><tt>% make help</tt></blockquote>
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(highly recommended)
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2002-04-21 04:35:02 +08:00
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<br>
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<hr>
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2002-04-21 17:51:59 +08:00
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<h2><u><a name="Solaris">Compiling under Solaris</a></u></h2>
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2002-04-20 23:49:28 +08:00
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Compile, from the OSG root directory, ('%' is UNIX csh prompt) type:
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<blockquote><tt>% make</tt></blockquote>
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Note, make should automatically detect linux and build optimized targets
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for your system. And if you wish to install the OSG type:
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<blockquote><tt>% make install</tt></blockquote>
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or
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<blockquote><tt>% make instlinks</tt></blockquote>
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To get full details of make options, type:
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<blockquote><tt>% make help</tt></blockquote>
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(highly recommended)
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2002-04-21 04:35:02 +08:00
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<br>
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<hr>
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2002-04-21 17:51:59 +08:00
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<h2><u><a name="Mac OSX">Compiling under MacOS X (instructions written by Phil Atkin)</a></u></h2>
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2002-04-20 23:49:28 +08:00
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For anyone who's ever used a Unix box for development it really is so simple
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it's insane.
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<p>You need to have installed the Developer tools from the CD that comes
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for free with OS X. This gives you compilers, headers, frameworks - stuff
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like GLUT and Carbon for developers.
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<p>Everything is done command-line, so you need to get to the underlying
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OS rather than the Aqua gloss. The Mac comes with an app in Applications/Utilities
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called Terminal - open up any Finder window (e.g double-click on your hard
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disk icon), click on the Applications icon at the top right of the window,
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then click on the Utilities folder to get access to all the grubby apps
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which give away the real OS roots underneath the shiny paintwork. Anyone
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developing will need Terminal so much they should put it in their Dock.
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You do that by grabbing the icon of the app in the Utilities folder and
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dragging it to the bottom of your screen, at which point the other app
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icons in the Dock slide away to leave a gap which when you release the
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mouse button leaves Terminal permanently available, just a mouse click
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away on your desktop. When you start Terminal it brings you up a csh running
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under Darwin (which is the BSD-with-knobs-on that underlies OS X), and
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does a cd to ~ (otherwise /Users/username of whoever you are logged in
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as, as far as the Finder in OS X is concerned you are in the Users/username
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folder of the harddisk the machine booted from).
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<p>Then you are in Unix land, and it's all very familiar.
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<p>You will need a .cshrc file with $OSGHOME (as above), and this is a
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filename that the Mac won't let you see from the Finder or in fact generate
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from an app, so I used vi to create that. Then I just went
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<p>cd $OSGHOME
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<blockquote><tt>% make clean</tt>
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<br><tt>% make macosx</tt></blockquote>
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<p><br>And it sounds too good to be true but it is that simple. It's worth
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doing some editing on the Makefiles in the Plugins and Demos directories
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so that it only tries to build a subset, otherwise the developer will have
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to dig out the support projects like jpeg etc. I have only built up to
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now sgv, hangglide, osgcube, osgreflect, osgviews and in the Plugins have
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built osg rgb 3ds and a couple others - will check and get back to you.
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<p><u>Tricky bit :</u>
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<p>Installing the libdl.a is more trouble, as you have to enable the root
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account on the machine, which by default is switched off as the machines
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ship for security reasons. Rather than typing in and risking error through
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paraphrase, here is a link to a site which tells you how to do this -
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<blockquote><a href="http://www.macos.utah.edu/Documentation/macosx/security/enablerootuser.html
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">http://www.macos.utah.edu/Documentation/macosx/security/enablerootuser.html</a></blockquote>
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Or alternately,
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<blockquote><a href="http://www.thinkmacintosh.com/osxfaq.html
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">http://www.thinkmacintosh.com/osxfaq.html</a></blockquote>
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<p><br>One you have a root account enabled, you have to su root you cd
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to the directory which the Fink installer generates, and it puts libdl.a
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and the associated .h files in sensible system places so the compiler just
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finds them.
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<p>There is one oddball problem - if you rely on Path to find the resulting
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executables, a weird Core Graphics error occurs - so even though I set
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up my path to include $(OSGHOME)/bin, and when I cd to $OSGHOME and type
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for example hangglide, the application starts fine (so it is in the path),
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but at the point it tries to use GLUT to open a window it falls over with
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a CGS error (which is I think Core Graphics System). If you explicitly
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go bin/hangglide it works fine. Weird, it may be an OS X 10.04 issue which
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is gone in 10.1 or it may be a weirdy in the Mac GLUT implementation, but
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forewarned is forearmed.
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2002-04-21 04:35:02 +08:00
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<hr>
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2002-04-21 17:51:59 +08:00
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<h2><u><a name="Cygwin">Compiling under Cygwin</a></u></h2>
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2002-04-20 23:49:28 +08:00
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To compile, from the OSG root directory, type: make Note, make should automatically
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detect your system and build optimized targets for your system. And if
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you wish to install the OSG type: make install Note that make symbolic
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links don't seem to work under cygwin, so a make instlinks will simply
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copy files just like make install. 'make install' places all files in /usr/local/OpenSceneGraph
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under appropriate subdirectories. To get full details of make options,
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type: make help (highly recommended)
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<p>OSGFILEPATH environmental variable
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<p>For the OSG to locate file data files easily an environmetal variable
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OSGFILEPATH is used at run-time by the osgDB library. Note, for examples
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below substitute in the ${OSGDATA} directory with your own path where appropriate)
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Add the following to your .cshrc (note paths seperated by colon's): setenv
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OSGFILEPATH ./:${OSGDATA}:${OSGDATA}/Images Or the following if you're
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using a sh compatible shell : export OSGFILEPATH=./:${OSGDATA}:${OSGDATA}/Images:
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Or under windows (note paths seperated by semi-colon's) : SET OSGFILEPATH=./:${OSGDATA};${OSGDATA}/Images
|
2002-04-21 04:35:02 +08:00
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<br>
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<br>
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<hr>
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|
2002-04-20 23:49:28 +08:00
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<h2>
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Running the demos</h2>
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To run the viewer demo type (you made need to type rehash first under Unix)
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:
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<br>%sgv cow.osg sgv lz.rgb or sgv Spinnercar.flt sgv Alley.3ds sgv town_ogl_pfi.pfb
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or sgv -stereo cow.osg (see doc/stereo.html for further details) or sgv
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|
-stencil cow.osg (to turn on use of the stencil buffer and enable the overdraw
|
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stats mode.) or sgv (with no arguments prints out usage to console.) Other
|
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run other demos type osgcube or hangglide hangglide master.flt or osgreflect
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cow.osg or osgconv Alley.3ds Alley.osg or osgtexture lz.rgb tree.rgb or
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|
osgimpostor cow.osg or osgviews glider.osg (Note: the file is picked up
|
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|
by checking the directories pointed to by $OSGFILEPATH)
|
2002-04-21 04:35:02 +08:00
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2002-04-20 23:49:28 +08:00
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</body>
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</html>
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