On Debian/Ubuntu systems you mny install the liblopsub-dev package.
Alternatively, run the following command to download a copy.
- git clone git://git.tuebingen.mpg.de/lopsub.git
+ git clone https://git.tuebingen.mpg.de/lopsub.git
Install the library, then run this configure script again.
If you installed lopsub at a non-standard location, make sure to set