Changelog for flann-devel-1.9.1-3.21.i586.rpm :

* Wed Jun 06 2018 avvissuAATTyandex.by- Add 0001-src-cpp-fix-cmake-3.11-build.patch
* Tue Apr 10 2018 avvissuAATTyandex.by- Drop python-numpy
* Fri Apr 14 2017 avvissuAATTyandex.by- Update to 1.9.1:
* see: /usr/share/doc/packages/flann/ChangeLog
* Fri Feb 05 2016 avvissuAATTyandex.ru- Initial release