Changelog for libsignal-protocol-c2-2.3.1-bp151.3.1.x86_64.rpm :

* Fri Mar 31 2017 mvetterAATTsuse.com- Remove libsignal-protocol-c-math-lib-shared-lib.patch: Contained in new upstream release- Update to 2.3.1
* Fri Mar 31 2017 mvetterAATTsuse.com- Create seperate proper lib package
* Thu Mar 30 2017 mvetterAATTsuse.com- Remove: libsignal-protocol-c-link-math.patch:- Add libsignal-protocol-c-math-lib-shared-lib.patch: Upstream added its own version of the mathlib patch, see https://github.com/WhisperSystems/libsignal-protocol-c/issues/57 Additionally I requested library versioning, see: https://github.com/WhisperSystems/libsignal-protocol-c/issues/59
* Thu Mar 30 2017 mvetterAATTsuse.com- Initial package for openSUSE in version 2.3.0- Adding libsignal-protocol-c-link-math.patch: Link with Math library. Otherwise does not build