From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 7 Jan 2025 15:52:25 +0000 (+0100)
Subject: rust: add --check-cfg test to rustc arguments
X-Git-Tag: v10.0.0-rc0~86^2~36
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1d03e9771e05685e11bbd3cc8cdd072c02cf580d;p=thirdparty%2Fqemu.git

rust: add --check-cfg test to rustc arguments

rustc will check that every reachable #[cfg] matches a list of
the expected config names and values.  Recent versions of rustc are
also complaining about #[cfg(test)], even if it is basically a standard
part of the language.  So, always allow it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/scripts/rust/rustc_args.py b/scripts/rust/rustc_args.py
index 5525b3886fa..2633157df2a 100644
--- a/scripts/rust/rustc_args.py
+++ b/scripts/rust/rustc_args.py
@@ -215,6 +215,8 @@ def main() -> None:
 
     if rustc_version >= (1, 80):
         if args.lints:
+            print("--check-cfg")
+            print("cfg(test)")
             for cfg in sorted(cargo_toml.check_cfg):
                 print("--check-cfg")
                 print(cfg)