Fedora now hardens as many packages as possible with position-independent code (ASLR) and FULL RELRO to reduce the impact of certain potential security
You might want to ask and what is the benefit for Fedora users:
Packages in Fedora will be more secure than in other distributions or packages provided by upstream. Therefore our users less likely become victims of attacks. Fedora will use more state-of-the-art security
mechanisms to fulfill its first and features foundations.
compiling instructions for OpenCPN use dynamic linking libraries, and fedora 23 hardens all the links. I adjusted back manually to dynamic by
and before make