src/libunwind/lib.rs

   1 #![no_std]
   2 #![unstable(feature = "panic_unwind", issue = "32837")]
   3
   4 #![deny(rust_2018_idioms)]
   5
   6 #![feature(link_cfg)]
   7 #![feature(nll)]
   8 #![feature(staged_api)]
   9 #![feature(unwind_attributes)]
  10 #![feature(static_nobundle)]
  11
  12 #![cfg_attr(not(target_env = "msvc"), feature(libc))]
  13
  14 cfg_if::cfg_if! {
  15     if #[cfg(target_env = "msvc")] {
  16         // no extra unwinder support needed
  17     } else if #[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))] {
  18         // no unwinder on the system!
  19     } else {
  20         mod libunwind;
  21         pub use libunwind::*;
  22     }
  23 }
  24
  25 #[cfg(target_env = "musl")]
  26 #[link(name = "unwind", kind = "static", cfg(target_feature = "crt-static"))]
  27 #[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
  28 extern {}