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[74.211.99.176]) by smtp.gmail.com with ESMTPSA id 3f1490d57ef6-e9bbe05debbsm1669701276.21.2025.09.03.11.52.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Sep 2025 11:52:30 -0700 (PDT) From: Asuna X-Google-Original-From: Asuna Message-ID: <9de3673c-3b1c-4838-a5fe-e8877a1c3ace@gmail.com> Date: Thu, 4 Sep 2025 02:52:24 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: RISC-V: Re-enable GCC+Rust builds To: Conor Dooley Cc: Jason Montleon , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org References: <68496eed-b5a4-4739-8d84-dcc428a08e20@gmail.com> <20250830-cheesy-prone-ee5fae406c22@spud> <20250901-lasso-kabob-de32b8fcede8@spud> <20250901-unseemly-blimp-a74e3c77e780@spud> Content-Language: en-US In-Reply-To: <20250901-unseemly-blimp-a74e3c77e780@spud> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit (I apologize if anyone gets this email twice, the first time I mistakenly sent it as HTML and it was rejected by mailing lists) > Similarly, something like -Wno-unterminated-string-initialization could > cause a problem if gcc supports it but not libclang. And the -Wno-unterminated-string-initialization is not supposed to be a problem either, today I noticed that in rust/Makefile there is: # All warnings are inhibited since GCC builds are very experimental, # many GCC warnings are not supported by Clang, they may only appear in # some configurations, with new GCC versions, etc. bindgen_extra_c_flags = -w --target=$(BINDGEN_TARGET) The -w flag inhibits all warnings, even though Clang may not recognize it. I was not able to reproduce any errors related to this. I have a patch ready and will send it later. Please let me know if I'm missing something there. Thanks.