Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 112 insertions, 0 deletions

diff --git a/js/src/build.rs b/js/src/build.rs
new file mode 100644
index 0000000000..9152f3f1a7
--- /dev/null
+++ b/js/src/build.rs
@@ -0,0 +1,112 @@
+// 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;
+        }
+    }
+}