mirror of
https://github.com/servo/servo.git
synced 2025-06-06 16:45:39 +00:00
90 lines
3.5 KiB
Rust
90 lines
3.5 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use std::error::Error;
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use std::fs::File;
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use std::io::Write;
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use std::path::Path;
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use vergen_git2::{Emitter, Git2Builder};
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fn emit_git_sha() -> Result<(), String> {
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let git_options = Git2Builder::default()
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.sha(true /* short */)
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.build()
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.map_err(|e| e.to_string())?;
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Emitter::default()
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.add_instructions(&git_options)
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.and_then(|emitter| emitter.fail_on_error().emit())
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.map_err(|e| e.to_string())
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}
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fn main() -> Result<(), Box<dyn Error>> {
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println!("cargo::rustc-check-cfg=cfg(servo_production)");
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println!("cargo::rustc-check-cfg=cfg(servo_do_not_use_in_production)");
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// Cargo does not expose the profile name to crates or their build scripts,
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// but we can extract it from OUT_DIR and set a custom cfg() ourselves.
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let out = std::env::var("OUT_DIR")?;
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let out = Path::new(&out);
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let krate = out.parent().unwrap();
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let build = krate.parent().unwrap();
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let profile = build
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.parent()
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.unwrap()
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.file_name()
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.unwrap()
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.to_string_lossy();
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if profile == "production" || profile.starts_with("production-") {
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println!("cargo:rustc-cfg=servo_production");
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} else {
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println!("cargo:rustc-cfg=servo_do_not_use_in_production");
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}
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// Note: We can't use `#[cfg(windows)]`, since that would check the host platform
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// and not the target platform
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let target_os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();
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if target_os == "windows" {
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#[cfg(windows)]
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{
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let mut res = winres::WindowsResource::new();
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res.set_icon("../../resources/servo.ico");
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res.set_manifest_file("platform/windows/servo.exe.manifest");
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res.compile().unwrap();
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}
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#[cfg(not(windows))]
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panic!("Cross-compiling to windows is currently not supported");
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} else if target_os == "macos" {
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println!("cargo:rerun-if-changed=platform/macos/count_threads.c");
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cc::Build::new()
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.file("platform/macos/count_threads.c")
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.compile("count_threads");
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} else if target_os == "android" {
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// FIXME: We need this workaround since jemalloc-sys still links
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// to libgcc instead of libunwind, but Android NDK 23c and above
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// don't have libgcc. We can't disable jemalloc for Android as
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// in 64-bit aarch builds, the system allocator uses tagged
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// pointers by default which causes the assertions in SM & mozjs
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// to fail. See https://github.com/servo/servo/issues/32175.
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let mut libgcc = File::create(out.join("libgcc.a")).unwrap();
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libgcc.write_all(b"INPUT(-lunwind)").unwrap();
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println!("cargo:rustc-link-search=native={}", out.display());
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}
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if let Err(error) = emit_git_sha() {
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println!(
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"cargo:warning=Could not generate git version information: {:?}",
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error
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);
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println!("cargo:rustc-env=VERGEN_GIT_SHA=nogit");
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}
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// On MacOS, all dylib dependencies are shipped along with the binary
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// in the "/lib" directory. Setting the rpath here, allows the dynamic
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// linker to locate them. See `man dyld` for more info.
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if target_os == "macos" {
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println!("cargo:rustc-link-arg=-Wl,-rpath,@executable_path/lib/");
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}
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Ok(())
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}
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