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#![no_std]
#![unstable(feature = "panic_unwind", issue = "32837")]
#![feature(link_cfg)]
#![feature(nll)]
#![feature(staged_api)]
#![feature(unwind_attributes)]
#![feature(static_nobundle)]
#![cfg_attr(not(target_env = "msvc"), feature(libc))]
cfg_if::cfg_if! {
if #[cfg(target_env = "msvc")] {
// Windows MSVC no extra unwinder support needed
} else if #[cfg(any(
target_os = "l4re",
target_os = "none",
))] {
// These "unix" family members do not have unwinder.
// Note this also matches x86_64-linux-kernel.
} else if #[cfg(any(
unix,
windows,
target_os = "psp",
target_os = "cloudabi",
all(target_vendor = "fortanix", target_env = "sgx"),
))] {
mod libunwind;
pub use libunwind::*;
} else {
// no unwinder on the system!
// - wasm32 (not emscripten, which is "unix" family)
// - os=none ("bare metal" targets)
// - os=hermit
// - os=uefi
// - os=cuda
// - nvptx64-nvidia-cuda
// - Any new targets not listed above.
}
}
#[cfg(target_env = "musl")]
#[link(name = "unwind", kind = "static", cfg(target_feature = "crt-static"))]
#[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
extern "C" {}
#[cfg(target_os = "redox")]
#[link(name = "gcc_eh", kind = "static-nobundle", cfg(target_feature = "crt-static"))]
#[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
extern "C" {}
#[cfg(all(target_vendor = "fortanix", target_env = "sgx"))]
#[link(name = "unwind", kind = "static-nobundle")]
extern "C" {}
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