"Unused function" build failure(s) — clang 2.9

-Wall -Werror are including the option -Wunused-function. Without not the case with g++
namespace { 
   void dummy_for_semicolon_do_not_use();
}
PackageVersionSupposed error messageFull log Bug report
uwsgi 0.9.8.3-1ruby.h:1282:1: error: unused function 'rb_type' [-Werror,-Wunused-function] Log

1 errors