1 // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! This module contains the linkage attributes to all runtime dependencies of
12 //! the standard library This varies per-platform, but these libraries are
13 //! necessary for running libstd.
15 #![cfg(not(cargobuild))]
17 // LLVM implements the `frem` instruction as a call to `fmod`, which lives in
18 // libm. Hence, we must explicitly link to it.
20 // On Linux, librt and libdl are indirect dependencies via std,
21 // and binutils 2.22+ won't add them automatically
22 #[cfg(all(target_os = "linux", not(target_env = "musl")))]
24 #[link(name = "pthread")]
27 #[cfg(target_os = "android")]
32 #[cfg(target_os = "freebsd")]
33 #[link(name = "execinfo")]
34 #[link(name = "pthread")]
37 #[cfg(any(target_os = "dragonfly",
40 target_os = "openbsd"))]
41 #[link(name = "pthread")]
44 #[cfg(target_os = "solaris")]
45 #[link(name = "socket")]
46 #[link(name = "posix4")]
47 #[link(name = "pthread")]
50 // For PNaCl targets, nacl_io is a Pepper wrapper for some IO functions
51 // missing (ie always error) in Newlib.
52 #[cfg(all(target_os = "nacl", not(test)))]
53 #[link(name = "nacl_io", kind = "static")]
54 #[link(name = "c++", kind = "static")] // for `nacl_io` and EH.
55 #[link(name = "pthread", kind = "static")]
58 #[cfg(target_os = "macos")]
59 #[link(name = "System")]
62 #[cfg(target_os = "ios")]
63 #[link(name = "System")]