Build instructions: ------------------- 1. Install the Geo-Calc-XS module if not installed already 2. Extract the Geo-Calc-XS-0.25.tar.gz into directory Geo-Calc-XS-0.25 3. cd Geo-Calc-XS-0.25 4. perl Makefile.PL 5. make 6. make test 7. make install