1 // This Source Code Form is subject to the terms of the Mozilla Public
2 // License, v. 2.0. If a copy of the MPL was not distributed with this
3 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
4
5 extern crate glob;
6 extern crate num_cpus;
7
8 use std::env;
9 use std::path;
10 use std::process::{Command, Stdio};
11
main()12 fn main() {
13 let out_dir = env::var("OUT_DIR").expect("Should have env var OUT_DIR");
14 let target = env::var("TARGET").expect("Should have env var TARGET");
15
16 let js_src = env::var("CARGO_MANIFEST_DIR").expect("Should have env var CARGO_MANIFEST_DIR");
17
18 env::set_var("MAKEFLAGS", format!("-j{}", num_cpus::get()));
19
20 // The Rust package used in Spidermonkey inherits the default profile from the toplevel
21 // Cargo directory. In particular, both profiles (dev or release) set panic=abort,
22 // which defines an exception handling personality that will trigger calls to abort().
23 // The Rust bindings package wants to be able to unwind at runtime, so override the
24 // profile's value here.
25 env::set_var("RUSTFLAGS", "-C panic=unwind");
26
27 env::set_current_dir(&js_src).unwrap();
28
29 let variant = if cfg!(feature = "debugmozjs") {
30 "plaindebug"
31 } else {
32 "plain"
33 };
34
35 let python = env::var("PYTHON3").unwrap_or("python3".into());
36 let mut cmd = Command::new(&python);
37 cmd.args(&[
38 "./devtools/automation/autospider.py",
39 // Only build SpiderMonkey, don't run all the tests.
40 "--build-only",
41 // Disable Mozilla's jemalloc; Rust has its own jemalloc that we
42 // can swap in instead and everything using a single malloc is
43 // good.
44 "--no-jemalloc",
45 // Don't try to clobber the output directory. Without
46 // this option, the build will fail because the directory
47 // already exists but wasn't created by autospider.
48 "--dep",
49 "--objdir",
50 &out_dir,
51 &variant,
52 ])
53 .env("NO_RUST_PANIC_HOOK", "1")
54 .env("SOURCE", &js_src)
55 .env("PWD", &js_src)
56 .stdout(Stdio::inherit())
57 .stderr(Stdio::inherit());
58 println!("Running command: {:?}", cmd);
59 let result = cmd.status().expect("Should spawn autospider OK");
60 assert!(result.success(), "autospider should exit OK");
61
62 println!("cargo:rustc-link-search=native={}/js/src/build", out_dir);
63 println!("cargo:rustc-link-search=native={}/js/src", out_dir);
64 println!("cargo:rustc-link-lib=static=js_static");
65
66 maybe_add_spidermonkey_rust_lib();
67
68 println!("cargo:rustc-link-search=native={}/dist/bin", out_dir);
69 println!("cargo:rustc-link-lib=nspr4");
70
71 if target.contains("windows") {
72 println!("cargo:rustc-link-lib=winmm");
73 if target.contains("gnu") {
74 println!("cargo:rustc-link-lib=stdc++");
75 }
76 } else {
77 println!("cargo:rustc-link-lib=stdc++");
78 }
79
80 println!("cargo:outdir={}", out_dir);
81 }
82
83 /// Find if Spidermonkey built the Spidermonkey Rust library, and add it to the
84 /// link if it was the case.
maybe_add_spidermonkey_rust_lib()85 fn maybe_add_spidermonkey_rust_lib() {
86 let out_dir = env::var("OUT_DIR").expect("cargo should invoke us with the OUT_DIR env var set");
87
88 let mut target_build_dir = path::PathBuf::from(out_dir);
89 target_build_dir.push("../../");
90
91 let mut build_dir = target_build_dir.display().to_string();
92 build_dir.push_str("mozjs_sys-*/out/*/debug");
93
94 let entries = match glob::glob(&build_dir) {
95 Err(_) => {
96 return;
97 }
98 Ok(entries) => entries,
99 };
100
101 for entry in entries {
102 if let Ok(path) = entry {
103 let path = path
104 .canonicalize()
105 .expect("Should canonicalize debug build path");
106 let path = path.to_str().expect("Should be utf8");
107 println!("cargo:rustc-link-search=native={}", path);
108 println!("cargo:rustc-link-lib=static=jsrust");
109 return;
110 }
111 }
112 }
113