Documentation: -------------- See https://metacpan.org/pod/Geo::Calc::XS Build instructions: ------------------- 1. Install the Geo-Calc-XS module if not installed already 2. Extract the Geo-Calc-XS-0.33.tar.gz into directory Geo-Calc-XS-0.33 3. cd Geo-Calc-XS-0.33 4. perl Makefile.PL 5. make 6. make test 7. make install