59 lines
2.1 KiB
Rust
59 lines
2.1 KiB
Rust
// SPDX-FileCopyrightText: Matteo Settenvini <matteo.settenvini@montecristosoftware.eu>
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// SPDX-License-Identifier: GPL-3.0-or-later
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use {std::env, std::io::Error, std::io::ErrorKind, std::path::PathBuf};
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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println!("cargo:rerun-if-changed=wrapper.hpp");
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// Required by NSS 2
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println!("cargo:rustc-cdylib-link-arg=-Wl,-soname,libnss_malcontent.so.2");
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// Pass down the path to the output folder to the integration test binary
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let cdylib_dir = get_cargo_target_dir().unwrap();
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println!("cargo:rustc-env=CDYLIB_OUT_DIR={}", cdylib_dir.display());
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// Set the DT_RPATH of the test binary to search in its own folder first
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println!("cargo:rustc-link-arg-tests=-Wl,--disable-new-dtags");
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println!("cargo:rustc-link-arg-tests=-Wl,--rpath=$ORIGIN");
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let bindings = bindgen::Builder::default()
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.header("wrapper.hpp")
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.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
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.newtype_enum("nss_status")
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.allowlist_type("nss_status")
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.newtype_enum("HErrno")
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.allowlist_type("HErrno")
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.newtype_enum("EaiRetcode")
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.allowlist_type("EaiRetcode")
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.allowlist_type("gaih_addrtuple")
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.allowlist_function("__nss_configure_lookup")
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.generate()
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.expect("Unable to generate bindings");
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("bindings.rs"))
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.expect("Couldn't write bindings!");
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}
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fn get_cargo_target_dir() -> Result<PathBuf, Box<dyn std::error::Error>> {
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let out_dir = PathBuf::from(env::var("OUT_DIR")?);
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let profile = std::env::var("PROFILE")?;
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let mut path = out_dir.as_path();
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loop {
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if let Some(parent) = path.parent() {
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path = parent;
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if parent.ends_with(&profile) {
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return Ok(path.to_path_buf());
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}
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} else {
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return Err(Box::new(Error::new(
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ErrorKind::NotFound,
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"Unable to determine cargo build target directory",
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)));
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}
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}
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}
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