src/libunwind/lib.rs

   1 #![no_std]
   2 #![unstable(feature = "panic_unwind", issue = "32837")]
   3
   4 #![feature(link_cfg)]
   5 #![feature(nll)]
   6 #![feature(staged_api)]
   7 #![feature(unwind_attributes)]
   8 #![feature(static_nobundle)]
   9
  10 #![cfg_attr(not(target_env = "msvc"), feature(libc))]
  11
  12 cfg_if::cfg_if! {
  13     if #[cfg(target_env = "msvc")] {
  14         // no extra unwinder support needed
  15     } else if #[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))] {
  16         // no unwinder on the system!
  17     } else {
  18         mod libunwind;
  19         pub use libunwind::*;
  20     }
  21 }
  22
  23 #[cfg(target_env = "musl")]
  24 #[link(name = "unwind", kind = "static", cfg(target_feature = "crt-static"))]
  25 #[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
  26 extern {}