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OverSim Installation Instructions

These instructions show you how to install OverSim on Linux, Mac OS X and Windows:

1. Requirements for OMNeT++ and OverSim:

For Linux:
- Tcl/Tk 8.4 with BLT and libgmp
- On Ubuntu you can install these packages with:
```
  sudo apt-get install tk8.4-dev libgmp3-dev blt-dev
```
For Mac OS X 10.5
- Xcode 3.x and Fink (includes libgmp)
- After installation of Fink open a terminal and install libgmp with:
```
  sudo apt-get install libgmp3-dev
```
For Windows: Everything you need is already included in the OMNeT++ 4.0 package.

2. Download OMNeT++ 4.1rc1 (Linux/Mac or Windows version) from http://www.omnetpp.org/ after reading the License

3a. (Linux/Mac only): Create a new directory (in the following we assume you want to install OMNeT++ and OverSim to ~/sim/) and extract OMNeT++:

  mkdir ~/sim
  cd ~/sim
  tar xzvf /tmp/omnetpp-4.1rc1-src.tgz

3b. (Windows only): Extract the OMNeT++ archive to a new directory (e.g. C:\sim\omnetpp-4.1) and double click on mingwenv.cmd

4. (Linux/Mac only): Add the following lines to your .bashrc or .profile:

  export PATH=~/sim/omnetpp-4.1/bin:$PATH

5. Compile OMNeT++ (no need to change the directoy on Windows):

  cd ~/sim/omnetpp-4.1
  ./configure
  make

6. Download the patched version of the INET framework INET-OverSim-20100505.tgz and extract in next to your OMNeT++ installation:

  cd ~/sim
  tar xzvf /tmp/INET-OverSim-20100505.tgz

8. Compile the INET framework:

  cd ~/sim/INET-OverSim-20100505
  make

9. Download the latest OverSim snapshot OverSim-20100526.tgz and extract in next to your OMNeT++ installation:

  cd ~/sim
  tar xzvf /tmp/OverSim-20100526.tgz

10. Compile OverSim:

  cd ~/sim/OverSim-20100526
  make

Congratulations - now you should have a working OverSim installation! For instructions how to use OverSim look at OverSimUsage.

You can also use the included Eclipse IDE to compile OverSim:

Start Eclipse with omnetpp
Create a new workspace by choosing a new workspace directory on Eclipse startup
File->Import->General->Existing Projects into Workspace->Next->select the INET-OverSim-20100505 directory->Finish
Repeat the same steps for the OverSim project
The build process should start automatically - if not, hit Ctrl->B

You don't have to install Tcl/Tk, if you only need Cmdenv. Add the following option to omnetpp-4.1/configure.user:
```
  NO_TCL=true
```
Use "make MODE=release" to compile INET and OverSim for optimized binaries without debug information.

Read the official OMNeT++ 4.0 migration guide!
Try to use the OMNeT++ migration tools migratened, migrateini, migratemsg and migratecpp.
Pay special attention to the changed NED and INI syntax - OverSim now uses NED inheritance (e.g. for BaseOverlay).
Some ini file parameters now have units like seconds or bytes.