mirror of
https://chromium.googlesource.com/crosvm/crosvm
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278e5ffeba
Using the same CARGO_TARGET_DIR for all builds prevents us from building for platforms in parallel, since cargo will lock the directory to only run one build at a time. Use the same directory for clippy as well, and ensure that clippy won't invalidate caches created by run_tests. This reduces the build time for tools/presubmit by about 50%. Another advantage is that rust_analyzer and run_tests will no longer block each other or invalidate the cache when run with different feature flags. Note: This introduces two subtle changes to the build that required nit fixes: - build.rs files are now run through clippy as well - common/* crates are now also built for the target architecture instead the host. BUG=None TEST=tools/presubmit Change-Id: I8da9ef53418c0b15827d512a04e77828621aef88 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3984416 Commit-Queue: Dennis Kempin <denniskempin@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
55 lines
1.6 KiB
Rust
55 lines
1.6 KiB
Rust
// Copyright 2022 The ChromiumOS Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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use std::env;
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use std::fs;
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use std::fs::File;
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use std::io::Write;
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use std::path::PathBuf;
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use protoc_rust::Codegen;
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use protoc_rust::Customize;
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fn main() {
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build_protos();
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}
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// TODO(mikehoyle): Unify all proto-building logic across crates into a common build dependency.
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fn build_protos() {
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let proto_files = vec!["protos/event_details.proto"];
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let out_dir = format!(
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"{}/metrics_protos",
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env::var("OUT_DIR").expect("OUT_DIR env does not exist.")
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);
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fs::create_dir_all(&out_dir).unwrap();
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Codegen::new()
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.out_dir(&out_dir)
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.inputs(&proto_files)
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.customize(Customize {
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serde_derive: Some(true),
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..Default::default()
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})
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.run()
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.unwrap();
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create_gen_file(proto_files, &out_dir);
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}
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fn create_gen_file(proto_files: Vec<&str>, out_dir: &str) {
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let generated = PathBuf::from(&out_dir).join("generated.rs");
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let out = File::create(generated).expect("Failed to create generated file.");
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for proto in proto_files {
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let file_stem = PathBuf::from(proto)
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.file_stem()
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.unwrap()
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.to_str()
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.unwrap()
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.to_owned();
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let out_dir = out_dir.replace('\\', "/");
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writeln!(&out, "#[path = \"{}/{}.rs\"]", out_dir, file_stem)
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.expect("failed to write to generated.");
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writeln!(&out, "pub mod {}_proto;", file_stem).expect("failed to write to generated.");
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}
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}
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