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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::{env, path::Path};
fn main() {
windows_manifest();
crash_ping_annotations();
set_mock_cfg();
}
fn windows_manifest() {
use embed_manifest::{embed_manifest, manifest, new_manifest};
if std::env::var_os("CARGO_CFG_WINDOWS").is_none() {
return;
}
// default manifest includes. The defaults include almost all of the settings used in the old
// crash reporter.
let manifest = new_manifest("CrashReporter")
// Use legacy active code page because GDI doesn't support per-process UTF8 (and older
// win10 may not support this setting anyway).
.active_code_page(manifest::ActiveCodePage::Legacy)
// GDI scaling is not enabled by default but we need it to make the GDI-drawn text look
// nice on high-DPI displays.
.gdi_scaling(manifest::Setting::Enabled);
embed_manifest(manifest).expect("unable to embed windows manifest file");
println!("cargo:rerun-if-changed=build.rs");
}
/// Generate crash ping annotation information from the yaml definition file.
fn crash_ping_annotations() {
use std::fs::File;
use std::io::{BufWriter, Write};
use yaml_rust::{Yaml, YamlLoader};
let crash_annotations = Path::new("../../CrashAnnotations.yaml")
.canonicalize()
.unwrap();
println!("cargo:rerun-if-changed={}", crash_annotations.display());
let crash_ping_file = Path::new(&env::var("OUT_DIR").unwrap()).join("ping_annotations.rs");
let yaml = std::fs::read_to_string(crash_annotations).unwrap();
let Yaml::Hash(entries) = YamlLoader::load_from_str(&yaml)
.unwrap()
.into_iter()
.next()
.unwrap()
else {
panic!("unexpected crash annotations root type");
};
let ping_annotations = entries.into_iter().filter_map(|(k, v)| {
v["ping"]
.as_bool()
.unwrap_or(false)
.then(|| k.into_string().unwrap())
});
let mut phf_set = phf_codegen::Set::new();
for annotation in ping_annotations {
phf_set.entry(annotation);
}
let mut file = BufWriter::new(File::create(&crash_ping_file).unwrap());
writeln!(
&mut file,
"static PING_ANNOTATIONS: phf::Set<&'static str> = {};",
phf_set.build()
)
.unwrap();
}
/// Set the mock configuration option when tests are enabled or when the mock feature is enabled.
fn set_mock_cfg() {
// Very inconveniently, there's no way to detect `cfg(test)` from build scripts. See
// https://github.com/rust-lang/cargo/issues/4789. This seems like an arbitrary and pointless
// limitation, and only complicates the evaluation of mock behavior. Because of this, we have a
// `mock` feature which is activated by `toolkit/library/rust/moz.build`.
println!("cargo:rustc-check-cfg=cfg(mock)");
if env::var_os("CARGO_FEATURE_MOCK").is_some() || mozbuild::config::MOZ_CRASHREPORTER_MOCK {
println!("cargo:rustc-cfg=mock");
}
}