xref: /aosp_15_r20/external/crosvm/perfetto/build.rs (revision bb4ee6a4ae7042d18b07a98463b9c8b875e44b39)
1 // Copyright 2023 The ChromiumOS Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 use std::env;
6 use std::path::PathBuf;
7 
main()8 fn main() {
9     #[cfg(windows)]
10     main_windows();
11 
12     #[cfg(any(target_os = "android", target_os = "linux"))]
13     main_unix();
14 
15     // TODO: enable once Perfetto is in third_party/perfetto.
16     /*
17     let proto_files = vec![proto_path(&["config", "perfetto_config.proto"])];
18     let mut out_dir = PathBuf::from(env::var("OUT_DIR").expect("OUT_DIR env does not exist."));
19     out_dir.push("perfetto_protos");
20     proto_build_tools::build_protos(&out_dir, proto_files.as_slice());
21     */
22 }
23 
24 #[cfg(windows)]
main_windows()25 fn main_windows() {
26     // TODO: enable once we have Perfetto libraries available on Windows,
27     // download them with prebuilts::download_prebuilts.
28     //
29     // Ideally paths will be identical in the long term and we
30     // can have a single version of this code.
31     /*
32     println!("cargo:rustc-link-lib=dylib=cperfetto");
33     #[cfg(debug_assertions)]
34     println!("cargo:rustc-link-search=..\\..\\libs\\debug");
35     #[cfg(all(windows, not(debug_assertions)))]
36     println!("cargo:rustc-link-search=..\\..\\libs\\release");
37     */
38 }
39 
40 #[cfg(any(target_os = "android", target_os = "linux"))]
main_unix()41 fn main_unix() {
42     // TODO: enable once we have Perfetto libraries available on unix. We may
43     // want to use a prebuilt here too, in which case this would be identical
44     // to the Windows version above. The paths will need to be adjusted to
45     // wherever we make the Perfetto binary available.
46     /*
47     println!("cargo:rustc-link-lib=dylib=cperfetto");
48     #[cfg(debug_assertions)]
49     println!("cargo:rustc-link-search=../../libs/debug");
50     #[cfg(not(debug_assertions))]
51     println!("cargo:rustc-link-search=../../libs/release");
52     */
53 }
54 
55 #[allow(dead_code)]
proto_path(path: &[&str]) -> PathBuf56 fn proto_path(path: &[&str]) -> PathBuf {
57     let manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
58     let mut full_path = manifest_dir;
59     full_path.extend(["..", "third_party", "perfetto", "protos", "perfetto"]);
60     full_path.extend(path);
61     full_path
62 }
63