Download and compile the following src before compiling sdr: http://www-mice.cs.ucl.ac.uk/multimedia/software/tk/tk-8.0.3ucl6.tar.gz http://www-mice.cs.ucl.ac.uk/multimedia/software/tcl/tcl-8.0.3ucl6.tar.gz http://www-mice.cs.ucl.ac.uk/multimedia/software/common/common-1.0.6.tar.gz
Further information can be found at:
http://www-mice.cs.ucl.ac.uk/multimedia/software/sdr/