linux-kernel - [PATCH] Add -fzero-init-padding-bits to bindgen_skip

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Message-ID: <20250129215003.1736127-1-jforbes@fedoraproject.org>
Date: Wed, 29 Jan 2025 14:50:02 -0700
From: "Justin M. Forbes" <jforbes@...oraproject.org>
To: Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: "Justin M. Forbes" <jforbes@...oraproject.org>
Subject: [PATCH] Add -fzero-init-padding-bits to bindgen_skip_cflags

This seems to break the build when building with gcc15.

Unable to generate bindings: ClangDiagnostic("error: unknown argument: '-fzero-init-padding-bits=all'\n")

Signed-off-by: Justin M. Forbes <jforbes@...oraproject.org>
---
 rust/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rust/Makefile b/rust/Makefile
index 71a05a3c895a..3c3da7faebb3 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -240,6 +240,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
 	-fzero-call-used-regs=% -fno-stack-clash-protection \
 	-fno-inline-functions-called-once -fsanitize=bounds-strict \
 	-fstrict-flex-arrays=% -fmin-function-alignment=% \
+	-fzero-init-padding-bits=% \
 	--param=% --param asan-%
 
 # Derived from `scripts/Makefile.clang`.
-- 
2.47.1