Changelog for cross-arm-none-eabi-gcc5-libstdc++-5.4.0_20160622-8.12.x86_64.rpm :

* Wed Aug 24 2016 wkAATTire.pw.edu.p.- updated to 2016-q2 - gcc 5.4.0
* Fri Jan 08 2016 wkAATTire.pw.edu.pl- specfile based on one by scalpel4k- no earlier changelog