Attempts at testing and using SOFA libs in Ruby/JRuby FFI hopefully within compliance of the software license and usage.
lib dir has libsofa_c.so Ruby and libsofa_c.a for C. include dir has the headers.
libs dir is a breakdown of src to types of functions and reference. This is a work in progress and experimentation.
You might want to try out celes from https://github.com/tohka/celes
The official source code may be found at http://www.iausofa.org