fn main() {
#[cfg(feature = "ffi")]
{
build_ffi_wrapper();
}
}
#[cfg(feature = "ffi")]
fn build_ffi_wrapper() {
use cbindgen::Config;
use std::env;
use std::path::PathBuf;
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!("{}.hpp", package_name))
.display()
.to_string();
let mut config = Config::default();
config.namespace = Some(String::from("ffi"));
cbindgen::generate_with_config(&crate_dir, config)
.unwrap()
.write_to_file(&output_file);
fn target_dir() -> PathBuf {
if let Ok(target) = env::var("OUT_DIR") {
PathBuf::from(target)
} else {
PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("target")
}
}
}