Changes of geographiclib [1]:

• C++11 compiler required for C++ library
• C99 compiler required for C library
• Reduce memory footprint in Java implementation
• New form of Utility::ParseLine to allow the syntax "KEY = VAL"
• Add International Geomagnetic Reference Field (13th generation)
• More symbols with DMS decoding in C++, JS, and cgi-bin packages
• Fix bug in cgi-bin argument processing
• Required minium version of CMake is now 3.7.0

[1] https://sourceforge.net/p/geographiclib/news/2020/11/geographiclib-151-released-2020-11-22-13/

The port changed

• New installed default dataset (-igrf12, +igrf13).
• Added option to select precision of real number

Submitted by Tatsuki Makino <tatsuki_makino@hotmail.com> (maintainer) in PR 251697.

Tested on Poudriere (amd64, i386). 'portlint -AC' is fine.