use std::env;
use std::path::PathBuf;
fn main() {
let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let package_name = env::var("CARGO_PKG_NAME").unwrap();
let output_file = target_dir()
.join(format!("{}.h", package_name))
.display()
.to_string();
cbindgen::Builder::new()
.with_crate(crate_dir)
.with_language(cbindgen::Language::C)
.generate()
.expect("Unable to generate bindings")
.write_to_file(&output_file);
let include_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("include");
std::fs::create_dir_all(&include_dir).ok();
let dest_file = include_dir.join("st3215.h");
std::fs::copy(&output_file, &dest_file).ok();
println!("cargo:rerun-if-changed=src/ffi.rs");
}
fn target_dir() -> PathBuf {
if let Ok(target) = env::var("CARGO_TARGET_DIR") {
PathBuf::from(target)
} else {
PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("target")
}
}