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https://chromium.googlesource.com/crosvm/crosvm
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acc162000f
Instead of configuring which crates to --exclude in test_config.py, we can use conditional compilation to exclude code that is not supported on windows. This allows more fine-grained control and also allows us to use plain cargo for building without complicated configuration and exclusions. BUG=b:265829867 TEST=cargo test --lib --bins --workspace --target=x86_64-pc-windows-gnu --features=all-mingw64 Change-Id: I8422c3f08053bc27d9896b220876a56bd25543d6 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4165868 Reviewed-by: Vikram Auradkar <auradkar@google.com> Commit-Queue: Dennis Kempin <denniskempin@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
91 lines
2.5 KiB
Rust
91 lines
2.5 KiB
Rust
// Copyright 2019 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::path::Path;
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use std::path::PathBuf;
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use std::process::Command;
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use anyhow::bail;
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use anyhow::Result;
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/// Returns the target triplet prefix for gcc commands. No prefix is required
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/// for native builds.
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fn get_cross_compile_prefix() -> String {
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let target = env::var("TARGET").unwrap();
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if env::var("HOST").unwrap() == target {
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return String::from("");
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}
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let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
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let os = env::var("CARGO_CFG_TARGET_OS").unwrap();
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let env = if target.ends_with("-gnueabihf") {
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String::from("gnueabihf")
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} else {
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env::var("CARGO_CFG_TARGET_ENV").unwrap()
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};
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format!("{}-{}-{}-", arch, os, env)
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}
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fn build_libtpm2(out_dir: &Path) -> Result<()> {
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let lib_path = out_dir.join("libtpm2.a");
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if lib_path.exists() {
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return Ok(());
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}
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if !Path::new("libtpm2/.git").exists() {
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bail!(
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"tpm2-sys/libtpm2 source does not exist, did you forget to \
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`git submodule update --init`?"
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);
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}
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let make_flags = env::var("CARGO_MAKEFLAGS").unwrap();
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let prefix = get_cross_compile_prefix();
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let status = Command::new("make")
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.env("MAKEFLAGS", make_flags)
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.arg(format!("AR={}ar", prefix))
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.arg(format!("CC={}gcc", prefix))
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.arg(format!("OBJCOPY={}objcopy", prefix))
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.arg("CFLAGS=-Wno-error")
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.arg(format!("obj={}", out_dir.display()))
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.current_dir("libtpm2")
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.status()?;
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if !status.success() {
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bail!("make failed with status: {}", status);
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}
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Ok(())
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}
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fn main() -> Result<()> {
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// Skip installing dependencies when generating documents.
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if std::env::var("CARGO_DOC").is_ok() {
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return Ok(());
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}
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// libtpm2 is unix only
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if std::env::var("CARGO_CFG_UNIX").is_err() {
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return Ok(());
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}
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// Use tpm2 package from the standard system location if available.
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if pkg_config::Config::new()
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.statik(true)
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.probe("libtpm2")
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.is_ok()
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{
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return Ok(());
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}
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// Otherwise build from source
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let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
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build_libtpm2(&out_dir)?;
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println!("cargo:rustc-link-search={}", out_dir.display());
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println!("cargo:rustc-link-lib=static=tpm2");
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println!("cargo:rustc-link-lib=ssl");
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println!("cargo:rustc-link-lib=crypto");
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Ok(())
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}
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