Gentoo's Bugzilla –
Attachment 839597 Details for
Bug 884259dev-ruby/nio4r-2.5.8 fails to compile (CLANG-STRICTER-SYSTEM): selector.c:301:26: error: incompatible function pointer types passing VALUE ()(VALUE ) (aka unsigned long ()(unsigned long )) to parameter of type VALUE ()(VALUE) (aka unsigned long ()(unsign