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Bug 1889308 - Remove proc-macro-back-compat flag. r=firefox-build-system-reviewers,ahochheiden

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The flag was added because of problems building the rental crate, but
that crate hasn't been used since bug 1724747.

Differential Revision: https://phabricator.services.mozilla.com/D206458
This commit is contained in:
Mike Hommey 2024-04-04 01:33:39 +00:00
parent 2ae48ad49e
commit e896a829d2
1 changed files with 2 additions and 5 deletions
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7
build/moz.configure/rust.configure
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@ -766,17 +766,14 @@ def cargo_incremental(
set_config("CARGO_INCREMENTAL", cargo_incremental)
@depends(rust_compile_flags, "--enable-warnings-as-errors", rustc_info)
def rust_flags(compile_flags, warnings_as_errors, rustc_info):
@depends(rust_compile_flags, "--enable-warnings-as-errors")
def rust_flags(compile_flags, warnings_as_errors):
warning_flags = []
# Note that cargo passes --cap-lints warn to rustc for third-party code, so
# we don't need a very complicated setup.
if warnings_as_errors:
warning_flags.append("-Dwarnings")
# Work around https://github.com/rust-lang/rust/issues/84428
if rustc_info.version >= "1.52":
warning_flags.append("-Aproc-macro-back-compat")
else:
warning_flags.extend(("--cap-lints", "warn"))