зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
1.5 KiB
Rust
57 строки
1.5 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 http://mozilla.org/MPL/2.0/. */
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extern crate autocfg;
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#[macro_use]
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extern crate quote;
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#[macro_use]
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extern crate syn;
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extern crate proc_macro2;
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#[cfg(feature = "dummy_match_byte")]
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mod codegen {
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pub fn main() {}
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}
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#[cfg(not(feature = "dummy_match_byte"))]
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#[path = "build/match_byte.rs"]
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mod match_byte;
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#[cfg(not(feature = "dummy_match_byte"))]
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mod codegen {
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use match_byte;
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use std::env;
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use std::path::Path;
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use std::thread::Builder;
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pub fn main() {
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let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
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let input = Path::new(&manifest_dir).join("src/tokenizer.rs");
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let output = Path::new(&env::var("OUT_DIR").unwrap()).join("tokenizer.rs");
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println!("cargo:rerun-if-changed={}", input.display());
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// We have stack overflows on Servo's CI.
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let handle = Builder::new()
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.stack_size(128 * 1024 * 1024)
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.spawn(move || {
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match_byte::expand(&input, &output);
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})
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.unwrap();
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handle.join().unwrap();
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}
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}
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fn main() {
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if std::mem::size_of::<Option<bool>>() == 1 {
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// https://github.com/rust-lang/rust/pull/45225
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println!("cargo:rustc-cfg=rustc_has_pr45225")
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}
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autocfg::new().emit_has_path("std::mem::MaybeUninit");
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codegen::main();
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}
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