rusty_v8/build.rs
2019-10-31 18:38:14 -04:00

80 lines
2.2 KiB
Rust

use cargo_gn;
use std::env;
use std::path::Path;
use std::process::Command;
use which::which;
fn main() {
if !Path::new("third_party/v8/src").is_dir()
|| env::var_os("GCLIENT_SYNC").is_some()
{
gclient_sync();
}
let mut gn_args = if cargo_gn::is_debug() {
vec!["is_debug=true".to_string()]
} else {
vec!["is_debug=false".to_string()]
};
if let Some(p) = env::var_os("SCCACHE") {
cc_wrapper(&mut gn_args, &Path::new(&p));
} else if let Ok(p) = which("sccache") {
cc_wrapper(&mut gn_args, &p);
} else {
println!("cargo:warning=Not using sccache");
}
let gn_out = cargo_gn::maybe_gen(".", gn_args);
assert!(gn_out.exists());
assert!(gn_out.join("args.gn").exists());
cargo_gn::build("rusty_v8");
println!("cargo:rustc-link-lib=static=rusty_v8");
if cfg!(target_os = "windows") {
println!("cargo:rustc-link-lib=dylib=winmm");
}
}
fn disable_depot_tools_update() {
Command::new("python")
.arg("third_party/depot_tools/update_depot_tools_toggle.py")
.arg("--disable")
.status()
.expect("update_depot_tools_toggle.py failed");
}
fn git_submodule_update() {
println!("cargo:warning=Running git submodule update");
Command::new("git")
.arg("submodule")
.arg("update")
.status()
.expect("git submodule update failed");
}
// ./depot_tools/gclient sync --gclientfile=gclient_config.py
fn gclient_sync() {
if !Path::new("third_party/depot_tools/gclient").is_file() {
// Need to run git submodule update.
git_submodule_update();
}
disable_depot_tools_update();
println!("cargo:warning=Running gcient sync to download V8. This could take a while.");
let mut cmd = Command::new("./depot_tools/gclient");
cmd.arg("sync");
cmd.arg("--gclientfile=gclient_config.py");
cmd.current_dir("third_party");
let status = cmd.status().expect("gclient sync failed");
assert!(status.success());
}
fn cc_wrapper(gn_args: &mut Vec<String>, sccache_path: &Path) {
gn_args.push(format!("cc_wrapper={:?}", sccache_path));
// Disable treat_warnings_as_errors until this sccache bug is fixed:
// https://github.com/mozilla/sccache/issues/264
if cfg!(target_os = "windows") {
gn_args.push("treat_warnings_as_errors=false".to_string());
}
}