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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
use rustc_version::{version, Version};
fn main() {
let mut build = cc::Build::new();
build.cpp(true);
// For js-confdefs.h, see wrappers.cpp.
build.include(mozbuild::TOPOBJDIR.join("js").join("src"));
build.include(mozbuild::TOPOBJDIR.join("dist").join("include"));
build.define("MOZ_HAS_MOZGLUE", None);
build.file("wrappers.cpp");
build.compile("wrappers");
println!("cargo:rerun-if-changed=wrappers.cpp");
let ver = version().unwrap();
let max_oom_hook_version = Version::parse("1.85.0-alpha").unwrap();
// The new alloc error panic feature was temporarily reverted. We kept the
// code in tree, but the version here is such that it's effectively never used.
let max_alloc_error_panic_version = Version::parse("1.85.0-alpha").unwrap();
if ver >= Version::parse("1.80.0-alpha").unwrap() {
println!("cargo::rustc-check-cfg=cfg(has_panic_hook_info)");
println!("cargo::rustc-check-cfg=cfg(oom_with, values(\"hook\", \"alloc_error_panic\"))");
}
// As of 1.81, std::panic::PanicInfo is deprecated and replaced by
// std::panic::PanicHookInfo. Using the former becomes a warning in
// 1.82, but we can use the new type as of 1.81.
if ver >= Version::parse("1.81.0-beta").unwrap() {
println!("cargo:rustc-cfg=has_panic_hook_info");
}
if ver < max_oom_hook_version {
println!("cargo:rustc-cfg=oom_with=\"hook\"");
} else if ver < max_alloc_error_panic_version {
println!("cargo:rustc-cfg=oom_with=\"alloc_error_panic\"");
} else if std::env::var("MOZ_AUTOMATION").is_ok() {
panic!("Builds on automation must use a version of rust for which we know how to hook OOM: want < {}, have {}",
max_alloc_error_panic_version, ver);
}
}