Changelog for backward-cpp-devel-1.4-8.15.x86_64.rpm :

* Mon Nov 18 2019 sfleesAATTsuse.de- %make_jobs is depricated replaced by %cmake_build
* Wed Dec 12 2018 jengelhAATTinai.de- Fix grammar.
* Tue Dec 11 2018 mrosteckiAATTsuse.de- Fix devel package description.
* Mon Oct 22 2018 mrosteckiAATTsuse.de- Initial release - 1.4- Add GNUInstallDirs.path: allow to specify libdir