build.rs

use pkg_config::Library;
use std::env;
use std::path::PathBuf;

pub fn main() {
    let Library {
        include_paths,
        link_paths,
        libs,
        ..
    } = pkg_config::Config::new().probe("v8").unwrap();
    let ref cflags: Vec<String> = include_paths
        .clone()
        .into_iter()
        .map(|pathbuf| format!("-I{}", pathbuf.to_str().unwrap()))
        .collect();
    let ref link_flags: Vec<String> = link_paths
        .clone()
        .into_iter()
        .map(|pathbuf| format!("-L{}", pathbuf.to_str().unwrap()))
        .collect();
    let ref link_libs: Vec<String> = libs
        .clone()
        .into_iter()
        .map(|lib| format!("-l{}", lib))
        .collect();

    let bindings = bindgen::Builder::default()
        .clang_args(&["-x", "c++", "-std=c++11"])
        .rust_target(bindgen::RustTarget::Nightly)
        .layout_tests(false)
        .generate_inline_functions(false)
        .opaque_type("std::.*")
        .blacklist_type("std::basic_string.*")
        .whitelist_type("v8::.*")
        .whitelist_function("v8::.*")
        .whitelist_var("v8::.*")
        .whitelist_type("std::unique_ptr\\<v8::Platform\\>")
        .whitelist_type("std::unique_ptr\\<v8::TracingController\\>")
        .enable_cxx_namespaces()
        .derive_debug(true)
        // TODO: seems there are some problems of v8-7.4.0 when enable derive_{eq,partialeq,hash}
        // .derive_hash(true)
        // .derive_eq(true)
        // .derive_partialeq(true)
        .clang_args(cflags)
        .header("v8wrapper.h")
        .generate()
        .expect("Unable to generate v8.h bindings!");
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("v8.rs"))
        .expect("Could not write bindings!");

    cc::Build::new()
        .cpp(true)
        .flag("-w")
        .flag("-std=c++11")
        .flag(cflags.join(" ").as_str())
        .flag(link_flags.join(" ").as_str())
        .flag(link_libs.join(" ").as_str())
        .file("v8wrapper.cc")
        .compile("wrapper");

    println!("cargo:rerun-if-changed=v8wrapper.h");
    println!("cargo:rerun-if-changed=v8wrapper.cc");
}