"Reference to non-static member function must be called" build failure(s) — clang 4.0.1

PackageVersionSupposed error messageFull log Bug report
banshee-community-extensions 2.4.0-4./FloatingAverage.h:86:28: error: reference to non-static member function must be called n/a
blitz++ 1:0.10+ds-2../../blitz/array/stencil-classes.cc:15126:20: error: reference to non-static member function must be called Log

2 errors