// pretty-expanded FIXME #23616 #![feature(rustc_private)] extern crate libc; #[cfg(target_os = "macos")] #[link(name = "CoreFoundation", kind = "framework")] extern "C" { fn CFRunLoopGetTypeID() -> libc::c_ulong; } #[cfg(target_os = "macos")] pub fn main() { unsafe { CFRunLoopGetTypeID(); } } #[cfg(not(target_os = "macos"))] pub fn main() {}