87 lines
2 KiB
Rust
87 lines
2 KiB
Rust
extern crate bindgen;
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extern crate cc;
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extern crate glob;
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extern crate semver;
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use glob::glob;
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use std::env;
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use std::path::{Path, PathBuf};
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use std::process::Command;
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fn find_it<P>(exe_name: P) -> Option<PathBuf>
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where
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P: AsRef<Path>,
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{
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env::var_os("PATH").and_then(|paths| {
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env::split_paths(&paths)
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.filter_map(|dir| {
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let full_path = dir.join(&exe_name);
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if full_path.is_file() {
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Some(full_path)
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} else {
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None
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}
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})
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.next()
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})
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}
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fn main() {
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let node_include_path = find_it("node")
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.expect("can not find executable node")
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.parent()
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.unwrap()
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.parent()
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.unwrap()
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.join("include/node");
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let node_version = semver::Version::parse(
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String::from_utf8(Command::new("node").arg("-v").output().unwrap().stdout)
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.unwrap()
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.as_str()
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.get(1..)
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.unwrap(),
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)
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.unwrap();
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let node_major_version = node_version.major;
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println!("cargo:rerun-if-env-changed=NODE_INCLUDE_PATH");
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for entry in glob("./src/sys/**/*.*").unwrap() {
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println!(
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"cargo:rerun-if-changed={}",
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entry.unwrap().to_str().unwrap()
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);
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}
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// Activate the "node8" or "nodestable" feature for compatibility with
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// different versions of Node.js/N-API.
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println!(
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"cargo:rustc-cfg=node{}",
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if node_major_version > 8 {
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"stable"
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} else if node_major_version == 8 {
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"8"
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} else {
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panic!("node version is too low")
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}
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);
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bindgen::Builder::default()
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.header("src/sys/bindings.h")
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.clang_arg(String::from("-I") + node_include_path.to_str().unwrap())
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.rustified_enum("(napi_|uv_).+")
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.whitelist_function("(napi_|uv_|extras_).+")
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.whitelist_type("(napi_|uv_|extras_).+")
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.generate()
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.expect("Unable to generate napi bindings")
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.write_to_file("src/sys/bindings.rs")
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.expect("Unable to write napi bindings");
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cc::Build::new()
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.cpp(true)
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.include(&node_include_path)
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.file("src/sys/bindings.cc")
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.flag("-std=c++0x")
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.flag("-Wno-unused-parameter")
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.compile("extras");
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}
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