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use build_script::cargo_rerun_if_changed;
use std::path::PathBuf;
use std::{env, path::Path};
fn main() {
let duckdb_root = Path::new(&env::var("CARGO_MANIFEST_DIR").unwrap())
.join("duckdb")
.canonicalize()
.expect("duckdb source root");
let header = "src/wrapper.h";
#[cfg(feature = "statically_linked")]
{
use build_script::{cargo_rustc_link_lib, cargo_rustc_link_search};
cargo_rustc_link_lib("duckdb");
cargo_rustc_link_search(duckdb_root.join("build/debug/src"));
cargo_rustc_link_search(duckdb_root.join("build/release/src"));
}
// Tell cargo to invalidate the built crate whenever the wrapper changes
cargo_rerun_if_changed(header);
// 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(header)
// .enable_cxx_namespaces()
// .generate_comments(true)
// .derive_default(true)
// Tell bindgen we are processing c++
// .clang_arg("-xc++")
// .clang_arg("-std=c++11")
.clang_arg("-I")
.clang_arg(duckdb_root.join("src/include").to_string_lossy())
// .allowlist_type("duckdb::DuckDB")
// .opaque_type("std::.*")
.derive_debug(true)
.derive_default(true)
// 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!");
}