1 // Copyright 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.
13 extern crate build_helper
;
16 use std
::process
::Command
;
17 use build_helper
::{run, native_lib_boilerplate}
;
20 let target
= env
::var("TARGET").expect("TARGET was not set");
21 let host
= env
::var("HOST").expect("HOST was not set");
22 if cfg
!(feature
= "backtrace") &&
23 !target
.contains("cloudabi") &&
24 !target
.contains("emscripten") &&
25 !target
.contains("fuchsia") &&
26 !target
.contains("msvc") &&
27 !target
.contains("wasm32")
29 let _
= build_libbacktrace(&host
, &target
);
32 if target
.contains("linux") {
33 if target
.contains("android") {
34 println
!("cargo:rustc-link-lib=dl");
35 println
!("cargo:rustc-link-lib=log");
36 println
!("cargo:rustc-link-lib=gcc");
37 } else if !target
.contains("musl") {
38 println
!("cargo:rustc-link-lib=dl");
39 println
!("cargo:rustc-link-lib=rt");
40 println
!("cargo:rustc-link-lib=pthread");
42 } else if target
.contains("freebsd") {
43 println
!("cargo:rustc-link-lib=execinfo");
44 println
!("cargo:rustc-link-lib=pthread");
45 } else if target
.contains("dragonfly") || target
.contains("bitrig") ||
46 target
.contains("netbsd") || target
.contains("openbsd") {
47 println
!("cargo:rustc-link-lib=pthread");
48 } else if target
.contains("solaris") {
49 println
!("cargo:rustc-link-lib=socket");
50 println
!("cargo:rustc-link-lib=posix4");
51 println
!("cargo:rustc-link-lib=pthread");
52 println
!("cargo:rustc-link-lib=resolv");
53 } else if target
.contains("apple-darwin") {
54 println
!("cargo:rustc-link-lib=System");
56 // res_init and friends require -lresolv on macOS/iOS.
57 // See #41582 and http://blog.achernya.com/2013/03/os-x-has-silly-libsystem.html
58 println
!("cargo:rustc-link-lib=resolv");
59 } else if target
.contains("apple-ios") {
60 println
!("cargo:rustc-link-lib=System");
61 println
!("cargo:rustc-link-lib=objc");
62 println
!("cargo:rustc-link-lib=framework=Security");
63 println
!("cargo:rustc-link-lib=framework=Foundation");
64 println
!("cargo:rustc-link-lib=resolv");
65 } else if target
.contains("windows") {
66 println
!("cargo:rustc-link-lib=advapi32");
67 println
!("cargo:rustc-link-lib=ws2_32");
68 println
!("cargo:rustc-link-lib=userenv");
69 println
!("cargo:rustc-link-lib=shell32");
70 } else if target
.contains("fuchsia") {
71 // use system-provided libbacktrace
72 if cfg
!(feature
= "backtrace") {
73 println
!("cargo:rustc-link-lib=backtrace");
75 println
!("cargo:rustc-link-lib=zircon");
76 println
!("cargo:rustc-link-lib=fdio");
77 println
!("cargo:rustc-link-lib=launchpad"); // for std::process
78 } else if target
.contains("cloudabi") {
79 if cfg
!(feature
= "backtrace") {
80 println
!("cargo:rustc-link-lib=unwind");
82 println
!("cargo:rustc-link-lib=c");
83 println
!("cargo:rustc-link-lib=compiler_rt");
87 fn build_libbacktrace(host
: &str, target
: &str) -> Result
<(), ()> {
88 let native
= native_lib_boilerplate("libbacktrace", "libbacktrace", "backtrace", ".libs")?
;
90 run(Command
::new("sh")
91 .current_dir(&native
.out_dir
)
92 .arg(native
.src_dir
.join("configure").to_str().unwrap()
93 .replace("C:\\", "/c/")
96 .arg("--disable-multilib")
97 .arg("--disable-shared")
98 .arg("--disable-host-shared")
99 .arg(format
!("--host={}", build_helper
::gnu_target(target
)))
100 .arg(format
!("--build={}", build_helper
::gnu_target(host
)))
101 .env("CFLAGS", env
::var("CFLAGS").unwrap_or_default() + " -fvisibility=hidden"));
103 run(Command
::new(build_helper
::make(host
))
104 .current_dir(&native
.out_dir
)
105 .arg(format
!("INCDIR={}", native
.src_dir
.display()))
106 .arg("-j").arg(env
::var("NUM_JOBS").expect("NUM_JOBS was not set")));