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Make the crown disabled warning clearer and less scary (#37535)

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Instead of printing a Rust compilation warning, simply print a message
before every build (when using `mach`) that shows the build
configuration and whether or not `crown` is enabled.

Fixes #32597.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-06-19 14:44:26 +02:00 • committed by GitHub
parent 824755d868
commit f0eb29206d
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GPG key ID: B5690EEEBB952194
5 changed files with 4 additions and 30 deletions
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16
support/crown/src/crown_is_not_used.rs
View file

@ -1,16 +0,0 @@
/* 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 https://mozilla.org/MPL/2.0/. */
use rustc_lint::LintStore;
use rustc_session::declare_lint;
declare_lint! {
CROWN_IS_NOT_USED,
Deny,
"Issues a rustc warning if crown is not used in compilation"
}
pub fn register(lint_store: &mut LintStore) {
lint_store.register_lints(&[CROWN_IS_NOT_USED]);
}

3
support/crown/src/main.rs
View file

@ -35,8 +35,6 @@ mod unrooted_must_root;
#[cfg(feature = "trace_in_no_trace_lint")]
mod trace_in_no_trace;
mod crown_is_not_used;
struct MyCallbacks;
impl Callbacks for MyCallbacks {
@ -51,7 +49,6 @@ impl Callbacks for MyCallbacks {
return;
}
crown_is_not_used::register(lint_store);
#[cfg(feature = "unrooted_must_root_lint")]
unrooted_must_root::register(lint_store);
#[cfg(feature = "trace_in_no_trace_lint")]