freesasa-sys 0.1.3

Rust raw FFI bindings for the freesasa C library
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extern crate autotools;
extern crate bindgen;

use std::env;
use std::path::PathBuf;

fn main() {
    println!("cargo:rerun-if-changed=build.rs");

    // Use autotools to compile the native library
    let dst = autotools::Config::new("freesasa")
        .reconf("-i")
        .config_option("disable-json", None)
        .config_option("disable-xml", None)
        .build();

    println!(
        "cargo:rustc-link-search=native={}",
        dst.join("lib").display()
    );
    println!("cargo:rustc-link-lib=static=freesasa");

    let header = env::var("OUT_DIR").unwrap() + "/include/freesasa.h";

    // The bindgen::Builder is the main entry point
    // to bindgen, and lets you build up options for
    // the resulting bindings.
    let bindings = bindgen::Builder::default()
        .header(header)
        .merge_extern_blocks(true)
        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
        .generate()
        .expect("Unable to generate bindings");

    // Write the bindings to the $OUT_DIR/bindings.rs file.
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("bindings.rs"))
        .expect("Couldn't write bindings!");
}