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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
extern crate glob;
extern crate num_cpus;
use std::env;
use std::path;
use std::process::{Command, Stdio};
fn main() {
let out_dir = env::var("OUT_DIR").expect("Should have env var OUT_DIR");
let target = env::var("TARGET").expect("Should have env var TARGET");
let js_src = env::var("CARGO_MANIFEST_DIR").expect("Should have env var CARGO_MANIFEST_DIR");
env::set_var("MAKEFLAGS", format!("-j{}", num_cpus::get()));
// The Rust package used in Spidermonkey inherits the default profile from the toplevel
// Cargo directory. In particular, both profiles (dev or release) set panic=abort,
// which defines an exception handling personality that will trigger calls to abort().
// The Rust bindings package wants to be able to unwind at runtime, so override the
// profile's value here.
env::set_var("RUSTFLAGS", "-C panic=unwind");
env::set_current_dir(&js_src).unwrap();
let variant = if cfg!(feature = "debugmozjs") {
"plaindebug"
} else {
"plain"
};
let python = env::var("PYTHON3").unwrap_or("python3".into());
let mut cmd = Command::new(&python);
cmd.args(&[
"./devtools/automation/autospider.py",
// Only build SpiderMonkey, don't run all the tests.
"--build-only",
// Disable Mozilla's jemalloc; Rust has its own jemalloc that we
// can swap in instead and everything using a single malloc is
// good.
"--no-jemalloc",
// Don't try to clobber the output directory. Without
// this option, the build will fail because the directory
// already exists but wasn't created by autospider.
"--dep",
"--objdir",
&out_dir,
&variant,
])
.env("NO_RUST_PANIC_HOOK", "1")
.env("SOURCE", &js_src)
.env("PWD", &js_src)
.stdout(Stdio::inherit())
.stderr(Stdio::inherit());
println!("Running command: {:?}", cmd);
let result = cmd.status().expect("Should spawn autospider OK");
assert!(result.success(), "autospider should exit OK");
println!("cargo:rustc-link-search=native={}/js/src/build", out_dir);
println!("cargo:rustc-link-search=native={}/js/src", out_dir);
println!("cargo:rustc-link-lib=static=js_static");
maybe_add_spidermonkey_rust_lib();
println!("cargo:rustc-link-search=native={}/dist/bin", out_dir);
println!("cargo:rustc-link-lib=nspr4");
if target.contains("windows") {
println!("cargo:rustc-link-lib=winmm");
if target.contains("gnu") {
println!("cargo:rustc-link-lib=stdc++");
}
} else {
println!("cargo:rustc-link-lib=stdc++");
}
println!("cargo:outdir={}", out_dir);
}
/// Find if Spidermonkey built the Spidermonkey Rust library, and add it to the
/// link if it was the case.
fn maybe_add_spidermonkey_rust_lib() {
let out_dir = env::var("OUT_DIR").expect("cargo should invoke us with the OUT_DIR env var set");
let mut target_build_dir = path::PathBuf::from(out_dir);
target_build_dir.push("../../");
let mut build_dir = target_build_dir.display().to_string();
build_dir.push_str("mozjs_sys-*/out/*/debug");
let entries = match glob::glob(&build_dir) {
Err(_) => {
return;
}
Ok(entries) => entries,
};
for entry in entries {
if let Ok(path) = entry {
let path = path
.canonicalize()
.expect("Should canonicalize debug build path");
let path = path.to_str().expect("Should be utf8");
println!("cargo:rustc-link-search=native={}", path);
println!("cargo:rustc-link-lib=static=jsrust");
return;
}
}
}
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