src/libunwind/lib.rs

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