after I ran ./configure in Terminal I got this error:

configure: error: Cannot find osgEarth. At least the development version of libosgearth and the openscenegraph-plugin-osgearth package is required.

Before I started installing omnet, I had installed osgEarth via Synaptic package Manager. Does someone know how to solve this problem?

I would be very grateful for your help.

  • Did you install the development version of libosgearth? libosgearth-dev - osgEarth development files – steeldriver Nov 17 '16 at 15:01
  • Yes, also via Synaptic Package Manager. – ysief-001 Nov 17 '16 at 16:10

In my case the problem was related to liblzma.so.5 library. Here is how to fix it:

  1. Locate liblzma.so.5

    $ find /lib -name "liblzma.so.5 
    $ find /usr -name "liblzma.so.5" 

    I discovered that I had 2 instances of the same library.

  2. Remove the one in /usr/local/lib and any symbolic link

    sudo rm /usr/local/lib/liblzma.so
    sudo rm /usr/local/lib/liblzma.so.5
    sudo rm /usr/local/lib/liblzma.so.5.0.3
  3. sudo ldconfig

Now ./configure did not complain about osgEarth while installing Omnet++

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