2022-09-23 12:31:37 +02:00

50 lines
1.8 KiB
Rust

use std::env;
use std::env::set_current_dir;
use std::path::PathBuf;
use std::process::Command;
fn main() {
// Build go-waku static lib
// build command taken from waku make file:
// https://github.com/status-im/go-waku/blob/eafbc4c01f94f3096c3201fb1e44f17f907b3068/Makefile#L115
let output_lib = "libgowaku.a";
set_current_dir("./vendor").unwrap();
Command::new("go")
.arg("build")
.arg("-buildmode=c-archive")
.arg("-o")
.arg(format!("./build/lib/{output_lib}"))
.arg("./library/")
.status()
.map_err(|e| println!("cargo:warning={}", e))
.unwrap();
set_current_dir("../").unwrap();
let mut lib_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
lib_dir.push("vendor");
lib_dir.push("build");
lib_dir.push("lib");
println!("cargo:rustc-link-search={}", lib_dir.display());
println!("cargo:rustc-link-lib=static=gowaku");
println!("cargo:rerun-if-changed=libgowaku.h");
// Generate waku bindings with bindgen
let bindings = bindgen::Builder::default()
// The input header we would like to generate
// bindings for.
.header(format!("{}/{}", lib_dir.display(), "libgowaku.h"))
// Tell cargo to invalidate the built crate whenever any of the
// included header files changed.
.parse_callbacks(Box::new(bindgen::CargoCallbacks))
// Finish the builder and generate the bindings.
.generate()
// Unwrap the Result and panic on failure.
.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!");
}