Changelog for nlopt-devel-2.4.2-38.1.x86_64.rpm :

* Thu Jun 23 2016 badshah400AATTgmail.com- Use %requires_eq octave-cli instead of Requires, octave installs its files to versioned dirs, so it is important for nlopt to be rebuilt for every version update of octave. Making the Requires version dependent achieves this.
* Tue Nov 17 2015 dmitry_rAATTopensuse.org- Fix compatibility with Octave 4.0
* nlopt-octave-4.0.patch
* Sun May 31 2015 dmitry_rAATTopensuse.org- Disable Octave module due to incompatibility with Octave 4.0
* Thu Nov 13 2014 dmitry_rAATTopensuse.org- Update to version 2.4.2
* Bugfix release, see included NEWS file for details.- Update package descriptionts.