extern crate bindgen;
use std::env;
use std::path::PathBuf;
fn main() {
libjxl_src::build();
let out_dir = std::env::var("OUT_DIR").unwrap();
println!("cargo:rerun-if-changed=wrapper.h");
libjxl_src::print_cargo_link_from(&out_dir);
let include_dir = format!("{}/include", out_dir);
println!("cargo:include={}", include_dir);
// 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()
// The input header we would like to generate
// bindings for.
.header("wrapper.h")
// Tell where to find the jxl/ headers.
.clang_arg("-I")
.clang_arg(include_dir)
// Reduce noise from system libs.
.allowlist_function("Jxl.*")
// #[derive(Default)] for struct initialization.
.derive_default(true)
// `size_t` is `usize` almost everywhere
// https://github.com/rust-lang/rust-bindgen/issues/1901
.size_t_is_usize(true)
// libjxl already adds appropriate prefixes
.prepend_enum_name(false)
// 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!");
}