Build Instructions

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Contents

Installing from source

Download from SVN

Check out the Download Section

MS Windows

OpenSim requires either the .Net framework version 2.0, or the latest Mono. It supports the following compilers:

Note for people who just downloaded the sources from http://dist.opensimulator.org/ (the "Downloads" link on the left) be advised that some important things are missing (like MySQL template scripts). For such features, you must download using svn!

Additional note: any Microsoft C# Express edition should work (2005 or 2008)

Building

  • In the top-level directory, run the 'runprebuild.bat' file. This will create both a VS2005 solution file, and a nant build file.
  • Open the resulting sln file with visual studio, and build it there, or if you prefer to use nant, run nant in the same top-level directory. This will build the executables.

If you don't care about physics (walking on prims, etc), ignore the rest of this section.

Running

Recent versions of OpenSim come without an OpenSim.ini file. Copy the OpenSim.ini.example file to OpenSim.ini before making any changes.

Double-click on the OpenSim.exe executable file in the bin directory. This will start up OpenSim in standalone mode.

The debugger in VS2005 C# may be used to step through the code. For those that use a Cygwin shell, you may find that one or more dll's have permissions that cause problems running. Most find that a "chmod 777 *" from the bin directory solves this.

Physics can be invoked by adding the appropriate line to the [Startup] section of OpenSim.ini. For ODE, that would be: 

physics = OpenDynamicsEngine

You can also add a command line option to a shortcut, or run from a command prompt with: 

-physics=OpenDynamicsEngine

Windows Vista

To run on Windows Vista, you must first disable Windows Firewall. Under the new "Start" button of Vista, select "Control panel". Then double-click "Windows Firewall". In the window that pops up, on the left column, select "Turn Windows Firewall on or off". You will have to give permission for this to run, then select the option "Off (not recommended)". Click "OK" and exit from the Windows Firewall window.

If you have McAfee SecurityCenter, see the description below.

Once all the security features are disabled, right click on OpenSim.exe and select "Run as administrator". This will pop up a window asking permission, select "Allow". Your OpenSim server should run in a DOS-like window and accept connections.


McAfee Security

McAfee Security does not allow applications to listen on ports not explicitly specified. You have two options: 1) disable firewall protection all together, 2) enable OpenSim.exe to be able to open ports.

Disable firewall

Open McAfee SecurityCenter. Select "Internet & Network". In the lower left corner is a small link to "Configure...". Select this. In the right side of the window, select the bar that says "Firewall protection is enabled". Here you can select "Off".

Enable OpenSim.exe to open ports

Open McAfee SecurityCenter. Select "Internet & Network". In the lower left corner is a small link to "Configure...". Select this. In the right side of the window, select the bar that says "Firewall protection is enabled". Select the "Advanced..." button. This will pop up a new window.

In the new window, on the left side, select "Program Permissions." In the middle on the right side of the window, select the "Add Allowed Program" button. Use the browser that pops up to find the OpenSim executable and select it.

Finally, select "OK" and exit the McAfee SecurityCenter window.

Linux/Mac OS X/FreeBSD

The easiest plaform to get running on the Linux side is Ubuntu 8.04, 32bit. This is what most of the developers running Linux use. If you are looking for the quick path, start there.

Ubuntu 8.04

You can use the built in packages for mono. However, for better performance, you may want to upgrade mono to 1.9.1 

sudo apt-get install subversion nant mono-gmcs libmono-microsoft8.0-cil libmono-system-runtime2.0-cil libgdiplus libmono-i18n2.0-cil
svn co http://opensimulator.org/svn/opensim/trunk opensim
cd opensim
./runprebuild.sh
nant

openSUSE 10.3

Install an openSUSE 10.3 with its default options, add the online repositories when finished installing do an online update with all the latest packages.

In yast install these packages, for running Opensim in standalone mode. 

subversion (1.4.4)
nant (0.85)
mono-jscript
- check that mono-core is installed
  • optional mysql - for Opensim running in Grid mode:

Install these mysql packages via yast 

 mysql
 mysql-client
 mysql-administrator
 mysql-gui-tools
 mysql-query-browser

Before building create the mysql database. 

/etc/init.d/mysql start
mysql -u root -p -h localhost
(when asked for password just hit enter)

mysql> create database opensim;
mysql> quit

set the configuration in bin/mysql_connection.ini

Build after installation of above in bash terminal. 

su -
svn co http://opensimulator.org/svn/opensim/trunk opensim
cd opensim
./runprebuild.sh
nant

After this you should be able to continue on starting the diffrent Servers, look in the mysql-config section.


Mac OS X 10.5/10.4

  • OpenSim is now working on PowerPC Macs! Thanks to DrScofield and those who helped him. Current nightly builds for PowerPC are not working, not sure about Intel so use the 0.5 Build. OpenSim works on Intel Macs. I'm testing on PowerBook G4. Tested these step on 10.5, but not 10.4 but should work --Mokele 22:36, 14 February 2008 (PST)
  • Install XCode Developers Tools from DVD/CD Installation Disk or download from http://developer.apple.com/. You have to create an Apple account to access the downloads if you don't have an Apple account.
  • Install X11 for 10.4 from the Optional Install from the DVD/CD Installation Disk. X11 for 10.5 is installed by default.
  • Install Mono 1.2.5 from http://ftp.novell.com/pub/mono/archive/1.2.5/macos-10-universal/5/MonoFramework-1.2.5_5.macos10.novell.universal.dmg and in Terminal or X11 edit the .profile file and add the following line: 
export PKG_CONFIG_PATH="/Library/Frameworks/Mono.framework/Versions/1.2.5/lib/pkgconfig/:${PKG_CONFIG_PATH}"
  • Compile OpenSim 
svn co http://opensimulator.org/svn/opensim/tags/0.5.0-release opensim
cd opensim 
./runprebuild.sh
nant
  • Download and Compile libopenjpeg-libsl-2.1.2.0.dylib and libsecondlife.dll
  • libopenjpeg-libsl-2.1.2.0.dylib: 
svn co http://opensimulator.org/svn/opensim-libs/libsl1550 opensim-libs
cd opensim-libs/openjpeg-libsl
make -f Makefile.osx
cp libopenjpeg-libsl-2.1.2.0.dylib ../../opensim/bin
  • Note: The Makefile that creates the libopenjpeg-libsl-2.1.2.0.so does not compile on PowerPC, not sure about Intel. Looks like a gcc issue with compile options. 
cd .. (back into opensim-libs)
nant
cp libsecondlife.dll ../../opensim/bin
  • Edit the libsecondlife.dll.config (PowerPC Only). Remove the cpu="x86" tag in the last dllmap line.

FreeBSD 6.2 

su
cd /usr/ports/devel/subversion/ && make install clean (you may also need to rebuild apr-svn if this step fails)
cd /usr/ports/lang/mono/ && make install clean
cd /usr/ports/devel/nant/ && make install clean
cd /usr/ports/databases/sqlite3/ && make install clean
cd /usr/ports/x11-toolkits/libgdiplus/ && make install clean
cd /opensim/installation/directory/
svn co http://opensimulator.org/svn/opensim/trunk opensim
cd opensim
./runprebuild.sh
nant

Note: the instructions on the FAQ to fix the
"System.DllNotFoundException: ./libopenjpeg-libsl-2.1.2.0.so" issue, but use "gmake" instead of "make"

For ODE Physics you must do the following: 

cd /usr/ports/graphics/libGL/ && make install clean
cd /usr/ports/graphics/libGLU/ && make install clean
cd /opensim/installation/directory/
svn co http://opensimulator.org/svn/opensim-libs/trunk opensim-libs
cd opensim-libs/unmanaged/OpenDynamicsEngine2/
sh autogen.sh
./configure --enable-shared --enable-release --disable-demos
make
mv ./ode/src/libode.so /opensim/installation/directory/opensim/bin/

RedHat Enterprise Linux 4 

sudo vi /etc/yum.repos.d/mono.repo

 [mono]
 name=Mono for rhel-4-i386 (stable)
 baseurl=http://ftp.novell.com/pub/mono/download-stable/rhel-4-i386/
 enabled=1
 gpgcheck=0

sudo yum install mono-complete monodoc-core nant
svn co svn co http://opensimulator.org/svn/opensim/trunk opensim
cd opensim
./runprebuild.sh
nant

Fedora 5

  • I needed to build latest mono and nant from sources to build OpenSim successfully, the ones available in yum repository didn't work so I had to uninstall and build and configure the packages.

For detailed instructions go here

Debian 4

The following packages and their dependencies are required to run OpenSim on a default Debian 4 netinstall:

  • mono
  • libmono-corlib2.0-cil
  • libmono-sqlite2.0-cil
  • libmono-system-web2.0-cil
  • libmono-microsoft8.0-cil
  • libmono-system-runtime2.0-cil

64bit

Please note that only 32bit binaries are provided in the bin/ directory of subversion. If you want to use 64bit, you'll need to rebuild these shared objects. See Installing and running on x86-64


Physics (Open Dynamics Engine ODE)

As installed from svn, ODE will work on most 32 bit platforms. If you get an ODE-related crash, and/or a libode.so not found type of error, you will need to build libode from source.

Remove libode.so from the ./bin folder. (Note that subsequent svn updates may replace it again; best fix is to copy your built libode.so to bin). Do NOT remove ode.net.dll! Download the latest source from: 

svn co http://opensimulator.org/svn/opensim-libs/trunk/unmanaged/OpenDynamicsEngine2

OpenSim requires a couple of patches on top of ODE which are not yet included upstream. When compiling, make sure to use the following configure options: 

--with-trimesh=gimpact 
--enable-shared

Make sure the configure script confirms these choices, and always compile with single precision (I believe that's the default). Try make -k if you get errors relating to drawstuff, test*, or openGL. make install should put libode.so in the proper place (usually /usr/local/lib), and it should be seen by opensim (ode.net.dll)

Running

Recent versions of OpenSim come without an OpenSim.ini file. Copy the OpenSim.ini.example file to OpenSim.ini before making any changes. 

cd bin
mono OpenSim.exe
  • To invoke ODE, add the option: 
-physics=OpenDynamicsEngine

to the mono OpenSim.exe line

or add physics = OpenDynamicsEngine to the [Startup] section of OpenSim.ini. Same deal for other physics engines, when available.

On mono 1.2.6, some distributions may see 

Unhandled Exception: System.NotSupportedException: CodePage 1252 not supported

on startup when using mysql. This can be resolved by installing the package libmono-i18n2.0-cil (see http://bugs.mysql.com/bug.php?id=33938).

Additional Items

  • GC NO EXPLICIT - Enable Large Heap in Mono, this has been known to help performance and stability
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