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Auto merge of #88914 - GuillaumeGomez:rollup-h5svc6w, r=GuillaumeGomez
[rust.git] / library / unwind / build.rs
1 use std::env;
2
3 fn main() {
4     println!("cargo:rerun-if-changed=build.rs");
5     let target = env::var("TARGET").expect("TARGET was not set");
6
7     if target.contains("android") {
8         let build = cc::Build::new();
9
10         // Since ndk r23 beta 3 `libgcc` was replaced with `libunwind` thus
11         // check if we have `libunwind` available and if so use it. Otherwise
12         // fall back to `libgcc` to support older ndk versions.
13         let has_unwind = build.is_flag_supported("-lunwind").expect("Unable to invoke compiler");
14
15         if has_unwind {
16             println!("cargo:rustc-link-lib=unwind");
17         } else {
18             println!("cargo:rustc-link-lib=gcc");
19         }
20     } else if target.contains("freebsd") {
21         println!("cargo:rustc-link-lib=gcc_s");
22     } else if target.contains("netbsd") {
23         println!("cargo:rustc-link-lib=gcc_s");
24     } else if target.contains("openbsd") {
25         if target.contains("sparc64") {
26             println!("cargo:rustc-link-lib=gcc");
27         } else {
28             println!("cargo:rustc-link-lib=c++abi");
29         }
30     } else if target.contains("solaris") {
31         println!("cargo:rustc-link-lib=gcc_s");
32     } else if target.contains("illumos") {
33         println!("cargo:rustc-link-lib=gcc_s");
34     } else if target.contains("dragonfly") {
35         println!("cargo:rustc-link-lib=gcc_pic");
36     } else if target.contains("pc-windows-gnu") {
37         // This is handled in the target spec with late_link_args_[static|dynamic]
38     } else if target.contains("uwp-windows-gnu") {
39         println!("cargo:rustc-link-lib=unwind");
40     } else if target.contains("fuchsia") {
41         println!("cargo:rustc-link-lib=unwind");
42     } else if target.contains("haiku") {
43         println!("cargo:rustc-link-lib=gcc_s");
44     } else if target.contains("redox") {
45         // redox is handled in lib.rs
46     }
47 }