src/libunwind/build.rs

   1 // Copyright 2016 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.
   4 //
   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.
  10
  11 use std::env;
  12
  13 fn main() {
  14     println!("cargo:rustc-cfg=cargobuild");
  15
  16     let target = env::var("TARGET").unwrap();
  17
  18     if target.contains("linux") {
  19         if target.contains("musl") && !target.contains("mips") {
  20             println!("cargo:rustc-link-lib=static=unwind");
  21         } else if !target.contains("android") {
  22             println!("cargo:rustc-link-lib=gcc_s");
  23         }
  24     } else if target.contains("freebsd") {
  25         println!("cargo:rustc-link-lib=gcc_s");
  26     } else if target.contains("rumprun") {
  27         println!("cargo:rustc-link-lib=unwind");
  28     } else if target.contains("netbsd") {
  29         println!("cargo:rustc-link-lib=gcc_s");
  30     } else if target.contains("openbsd") {
  31         println!("cargo:rustc-link-lib=gcc");
  32     } else if target.contains("bitrig") {
  33         println!("cargo:rustc-link-lib=c++abi");
  34     } else if target.contains("dragonfly") {
  35         println!("cargo:rustc-link-lib=gcc_pic");
  36     } else if target.contains("windows-gnu") {
  37         println!("cargo:rustc-link-lib=gcc_eh");
  38     }
  39 }