diff options
Diffstat (limited to 'build.rs')
| -rw-r--r-- | build.rs | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -54,6 +54,35 @@ fn prepare_version_source( Ok(out) } +#[cfg(feature = "bindgen")] +fn generate_bindings(library_path: &path::Path, out_path: &path::Path) { + let header_path = library_path.join("NK_C_API.h"); + let header_str = header_path + .to_str() + .expect("Header path contains invalid UTF-8"); + + let include_path = library_path.join("libnitrokey"); + let include_str = include_path + .to_str() + .expect("Include path contains invalid UTF-8"); + + println!("cargo:rerun-if-changed={}", header_str); + + // always keep options in sync with Makefile + let bindings = bindgen::Builder::default() + .header(header_str) + .whitelist_function("NK_.*") + .whitelist_var("NK_.*") + .whitelist_var("MAXIMUM_STR_REPLY_LENGTH") + .derive_default(true) + .clang_arg(&format!("-I{}", include_str)) + .generate() + .expect("Unable to generate bindings"); + bindings + .write_to_file(out_path.join("bindings.rs")) + .expect("Could not write bindings"); +} + fn main() { if env::var("USE_SYSTEM_LIBNITROKEY").is_ok() { println!("cargo:rustc-link-lib=nitrokey"); @@ -78,6 +107,9 @@ fn main() { let version_source = prepare_version_source(LIBNITROKEY_VERSION, &out_path, &library_path) .expect("Could not prepare the version source file"); + #[cfg(feature = "bindgen")] + generate_bindings(library_path, &out_path); + cc::Build::new() .cpp(true) .flag("-std=c++14") |