napi-rs/build/src/lib.rs

99 lines
3.1 KiB
Rust

extern crate cfg_if;
#[cfg(windows)]
extern crate reqwest;
use std::process::Command;
use cfg_if::cfg_if;
cfg_if! {
if #[cfg(windows)] {
use std::env::var;
use std::fs::{File, create_dir};
use std::io::copy;
use std::path::PathBuf;
pub fn setup() {
let node_full_version =
String::from_utf8(Command::new("node").arg("-v").output().unwrap().stdout).unwrap();
let dev_dir: PathBuf = [
&var("HOMEDRIVE").expect("Get env HOMEDRIVE failed"),
&var("HOMEPATH").expect("Get env HOMEDRIVE failed"),
".napi-rs"
].iter().collect();
match create_dir(&dev_dir) {
Ok(_) => {},
Err(err) => {
if err.kind() != std::io::ErrorKind::AlreadyExists {
panic!("create ~/.napi-rs folder failed: {}", err)
}
},
}
let node_lib_file_dir = dev_dir.join(format!("node-{}.lib", node_full_version.trim_end()));
if !node_lib_file_dir.exists() {
let lib_file_download_url = format!(
"https://nodejs.org/dist/{}/win-x64/node.lib",
node_full_version
);
let mut resp =
reqwest::blocking::get(&lib_file_download_url).expect("Download node.lib file failed");
let mut node_lib_file = File::create(&node_lib_file_dir).unwrap();
copy(&mut resp, &mut node_lib_file).expect("Save node.lib file failed");
}
println!(
"cargo:rustc-link-lib={}",
&node_lib_file_dir.file_stem().unwrap().to_str().unwrap()
);
println!("cargo:rustc-link-search={}", dev_dir.to_str().unwrap());
// Link `win_delay_load_hook.obj` for windows electron
let node_runtime_env = "npm_config_runtime";
println!("cargo:rerun-if-env-changed={}", node_runtime_env);
if var(node_runtime_env).map(|s| s == "electron") == Ok(true) {
println!("cargo:rustc-cdylib-link-arg=win_delay_load_hook.obj");
println!("cargo:rustc-cdylib-link-arg=delayimp.lib");
println!("cargo:rustc-cdylib-link-arg=/DELAYLOAD:node.exe");
}
setup_napi_feature();
}
} else if #[cfg(target_os = "macos")] {
/// Set up the build environment by setting Cargo configuration variables.
pub fn setup() {
println!("cargo:rustc-cdylib-link-arg=-Wl");
println!("cargo:rustc-cdylib-link-arg=-undefined");
println!("cargo:rustc-cdylib-link-arg=dynamic_lookup");
setup_napi_feature();
}
} else {
pub fn setup() {
setup_napi_feature();
}
}
}
fn setup_napi_feature() {
let napi_version = String::from_utf8(
Command::new("node")
.args(&["-e", "console.log(process.versions.napi)"])
.output()
.unwrap()
.stdout,
)
.expect("Get NAPI version failed");
let napi_version_number = napi_version.trim().parse::<u32>().unwrap();
if napi_version_number < 2 {
panic!("current napi version is too low");
}
if napi_version_number == 2 {
println!("cargo:rustc-cfg=napi{}", napi_version_number);
} else {
for version in 2..(napi_version_number + 1) {
println!("cargo:rustc-cfg=napi{}", version);
}
}
}