Changelog for ruby2.4-rubygem-websocket-driver-0.6.5-lp150.4.1.x86_64.rpm :

* Sat Jan 19 2019 Marcus Rueckert - rb_build_ruby_abi needs to be rb_build_ruby_abis
* Fri Jan 18 2019 Marcus Rueckert - use rb_build_ruby_abi instead of rb_default_ruby_abi
* Fri Jul 28 2017 mrueckertAATTsuse.de- initial package