gnustep-base-runtime 1.28.1+really1.28.0-5build1 (armhf binary) in ubuntu mantic

 The GNUstep Base Library is a powerful fast library of
 general-purpose, non-graphical Objective C classes, inspired by the
 OpenStep API but implementing Apple and GNU additions to the API as
 well.
 .
 This package contains the runtime support files needed by GNUstep
 applications.