eac0a8bc30
Have all Cargo-built crates pass `--cfg cargobuild` and then add appropriate `#[cfg]` definitions to all crates to avoid linking anything if this is passed. This should help allow libstd to compile with both the makefiles and with Cargo.
65 lines
1.9 KiB
Rust
65 lines
1.9 KiB
Rust
// Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
//! This module contains the linkage attributes to all runtime dependencies of
|
|
//! the standard library This varies per-platform, but these libraries are
|
|
//! necessary for running libstd.
|
|
|
|
#![cfg(not(cargobuild))]
|
|
|
|
// LLVM implements the `frem` instruction as a call to `fmod`, which lives in
|
|
// libm. Hence, we must explicitly link to it.
|
|
//
|
|
// On Linux, librt and libdl are indirect dependencies via std,
|
|
// and binutils 2.22+ won't add them automatically
|
|
#[cfg(all(target_os = "linux", not(target_env = "musl")))]
|
|
#[link(name = "dl")]
|
|
#[link(name = "pthread")]
|
|
extern {}
|
|
|
|
#[cfg(target_os = "android")]
|
|
#[link(name = "dl")]
|
|
#[link(name = "log")]
|
|
extern {}
|
|
|
|
#[cfg(target_os = "freebsd")]
|
|
#[link(name = "execinfo")]
|
|
#[link(name = "pthread")]
|
|
extern {}
|
|
|
|
#[cfg(any(target_os = "dragonfly",
|
|
target_os = "bitrig",
|
|
target_os = "netbsd",
|
|
target_os = "openbsd"))]
|
|
#[link(name = "pthread")]
|
|
extern {}
|
|
|
|
#[cfg(target_os = "solaris")]
|
|
#[link(name = "socket")]
|
|
#[link(name = "posix4")]
|
|
#[link(name = "pthread")]
|
|
extern {}
|
|
|
|
// For PNaCl targets, nacl_io is a Pepper wrapper for some IO functions
|
|
// missing (ie always error) in Newlib.
|
|
#[cfg(all(target_os = "nacl", not(test)))]
|
|
#[link(name = "nacl_io", kind = "static")]
|
|
#[link(name = "c++", kind = "static")] // for `nacl_io` and EH.
|
|
#[link(name = "pthread", kind = "static")]
|
|
extern {}
|
|
|
|
#[cfg(target_os = "macos")]
|
|
#[link(name = "System")]
|
|
extern {}
|
|
|
|
#[cfg(target_os = "ios")]
|
|
#[link(name = "System")]
|
|
extern {}
|