	/opt/matlab/bin/cmex  corrDn.o wrap.o convolve.o edges.o

    Warning: No source files in argument list.

      Assuming C source code. To override this assumption, use
      -fortran.

      Assuming fully MATLAB 5 compliant MEX-file.  To override
      this assumption, use -V4.

ld: DP relative code in file edges.o - shared library must be position
    independent.  Use +z or +Z to recompile.

    mex: link of 'corrDn.mexhp7' failed.

*** Error exit code 1

Stop.
