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build.rs
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build.rs
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extern crate bindgen;
use std::env;
use std::path::PathBuf;
const LIB_NAME: &str = "opengrn";
const LIB_PATH: &str = "thirdparty/opengr2/build/libopengrn/";
const LIB_WRAPPER_PATH: &str = "wrapper.h";
fn main() {
// Tell cargo to look for shared libraries in the specified directory
//let manifest_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
println!("cargo:rustc-link-search={}", LIB_PATH);
println!("cargo:rustc-link-lib={}", LIB_NAME);
println!("cargo:rerun-if-changed={}", LIB_WRAPPER_PATH);
let bindings = bindgen::Builder::default()
.header(LIB_WRAPPER_PATH)
.parse_callbacks(Box::new(bindgen::CargoCallbacks))
.generate()
.expect("Unable to generate bindings");
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");
}