xref: /aosp_15_r20/tools/netsim/rust/hostapd-rs/build_cargo.rs (revision cf78ab8cffb8fc9207af348f23af247fb04370a6)
1*cf78ab8cSAndroid Build Coastguard Worker // Copyright 2024 Google LLC
2*cf78ab8cSAndroid Build Coastguard Worker //
3*cf78ab8cSAndroid Build Coastguard Worker // Licensed under the Apache License, Version 2.0 (the "License");
4*cf78ab8cSAndroid Build Coastguard Worker // you may not use this file except in compliance with the License.
5*cf78ab8cSAndroid Build Coastguard Worker // You may obtain a copy of the License at
6*cf78ab8cSAndroid Build Coastguard Worker //
7*cf78ab8cSAndroid Build Coastguard Worker //     https://www.apache.org/licenses/LICENSE-2.0
8*cf78ab8cSAndroid Build Coastguard Worker //
9*cf78ab8cSAndroid Build Coastguard Worker // Unless required by applicable law or agreed to in writing, software
10*cf78ab8cSAndroid Build Coastguard Worker // distributed under the License is distributed on an "AS IS" BASIS,
11*cf78ab8cSAndroid Build Coastguard Worker // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12*cf78ab8cSAndroid Build Coastguard Worker // See the License for the specific language governing permissions and
13*cf78ab8cSAndroid Build Coastguard Worker // limitations under the License.
14*cf78ab8cSAndroid Build Coastguard Worker 
15*cf78ab8cSAndroid Build Coastguard Worker //! Build script for generating `hostapd` bindings.
16*cf78ab8cSAndroid Build Coastguard Worker 
17*cf78ab8cSAndroid Build Coastguard Worker use bindgen;
18*cf78ab8cSAndroid Build Coastguard Worker use std::env;
19*cf78ab8cSAndroid Build Coastguard Worker use std::path::PathBuf;
20*cf78ab8cSAndroid Build Coastguard Worker 
main()21*cf78ab8cSAndroid Build Coastguard Worker pub fn main() {
22*cf78ab8cSAndroid Build Coastguard Worker     println!("cargo:rerun-if-changed=bindings/wrapper.h");
23*cf78ab8cSAndroid Build Coastguard Worker     println!("cargo:rerun-if-changed=build.rs");
24*cf78ab8cSAndroid Build Coastguard Worker 
25*cf78ab8cSAndroid Build Coastguard Worker     let bindings = bindgen::Builder::default()
26*cf78ab8cSAndroid Build Coastguard Worker         .header("bindings/wrapper.h")
27*cf78ab8cSAndroid Build Coastguard Worker         .generate()
28*cf78ab8cSAndroid Build Coastguard Worker         .expect("Unable to generate bindings");
29*cf78ab8cSAndroid Build Coastguard Worker 
30*cf78ab8cSAndroid Build Coastguard Worker     let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap();
31*cf78ab8cSAndroid Build Coastguard Worker     let out_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap())
32*cf78ab8cSAndroid Build Coastguard Worker         .join("src")
33*cf78ab8cSAndroid Build Coastguard Worker         .join("hostapd_sys")
34*cf78ab8cSAndroid Build Coastguard Worker         .join(target_os);
35*cf78ab8cSAndroid Build Coastguard Worker 
36*cf78ab8cSAndroid Build Coastguard Worker     std::fs::create_dir_all(&out_dir).expect("Failed to create output directory");
37*cf78ab8cSAndroid Build Coastguard Worker 
38*cf78ab8cSAndroid Build Coastguard Worker     let out_path = out_dir.join("bindings.rs");
39*cf78ab8cSAndroid Build Coastguard Worker     bindings.write_to_file(out_path).expect("Couldn't write bindings!");
40*cf78ab8cSAndroid Build Coastguard Worker }
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