1#!/usr/bin/env bash 2 3# Copyright 2024 The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16 17# Build and update Rust bindings for libslirp-rs & hostapd-rs on netsim-dev branch 18 19# To update an individual library only, pass in "libslirp-rs" or "hostapd-rs" as argument. 20 21# The script is necessary because Clang binary, used for creating bindings, 22# isn't included in prebuilts for all platforms. 23 24# Prerequisites (Linux/macOS): 25# Install Clang to use bindgen: https://rust-lang.github.io/rust-bindgen/requirements.html 26 27# Instructions (Linux/macOS): 28# Run this script manually to regenerate all bindings.rs files. 29 30# Windows instructions: 31# 1. Install official pre-built LLVM binary: 32# https://rust-lang.github.io/rust-bindgen/requirements.html 33# 2. Set the `LIBCLANG_PATH` environment variable to point to the 'bin' 34# directory within your LLVM installation: 35# `set LIBCLANG_PATH=C:\Program Files\LLVM\bin` 36# 3. Uncomment the lines starting with `##` in Cargo.toml. 37# 4. Navigate to the rust/hostapd-rs directory and run `cargo build`. 38# 5. Revert the change in Cargo.toml: `git checkout rust/hostapd-rs/Cargo.toml` 39 40if [ $# -ne 1 ] || ([ "$1" != "libslirp-rs" ] && [ "$1" != "hostapd-rs" ]); then 41 echo "Must provide library name to update bindings i.e. libslirp-rs or hostapd-rs" 42 exit 1 43fi 44 45# Absolute path to tools/netsim using this scripts directory 46REPO_NETSIM=$(dirname $(readlink -f "$0"))/.. 47echo "REPO_NETSIM: ${REPO_NETSIM}" 48CARGO_MANIFEST=$REPO_NETSIM/rust/$1/Cargo.toml 49 50# Uncomment lines starting with `##` 51OS=$(uname | tr '[:upper:]' '[:lower:]') 52if [[ "$OS" == "linux" ]]; then 53 sed -i 's/^##//g' $CARGO_MANIFEST 54fi 55if [[ "$OS" == "darwin" ]]; then 56 sed -i '' 's/^##//g' $CARGO_MANIFEST 57fi 58 59if [ ! -d "$REPO_NETSIM/objs/rust/.cargo" ]; then 60 python3 $REPO_NETSIM/scripts/build_tools.py 61fi 62 63# Use Rust dependency crates available on netsim-dev branch 64export CARGO_HOME=$REPO_NETSIM/objs/rust/.cargo 65 66cd $REPO_NETSIM 67cargo build --manifest-path $CARGO_MANIFEST 68 69# Undo changed to Cargo.toml 70git checkout $CARGO_MANIFEST 71 72rm $REPO_NETSIM/rust/Cargo.lock 73