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[79.33.195.131]) by smtp.gmail.com with ESMTPSA id n5-20020aa7c785000000b0052338f5b2a4sm6544040eds.86.2023.08.14.23.53.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 23:53:53 -0700 (PDT) From: Andrea Righi To: Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho Cc: Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , "Gustavo A . R . Silva" , Kees Cook , Masahiro Yamada , rust-for-linux@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] rust: fix bindgen build error with fstrict-flex-arrays Date: Tue, 15 Aug 2023 08:53:46 +0200 Message-Id: <20230815065346.131387-1-andrea.righi@canonical.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1774649925994932893 X-GMAIL-MSGID: 1774653336191088394 Commit df8fc4e934c1 ("kbuild: Enable -fstrict-flex-arrays=3") enabled '-fstrict-flex-arrays=3' globally, but bindgen does not recognized this compiler option, triggering the following build error: error: unknown argument: '-fstrict-flex-arrays=3', err: true Add '-fstrict-flex-arrays' to the list of cflags that should be ignored by bindgen. Fixes: df8fc4e934c1 ("kbuild: Enable -fstrict-flex-arrays=3") Signed-off-by: Andrea Righi Tested-by: Gary Guo --- rust/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/rust/Makefile b/rust/Makefile index 4124bfa01798..ae2f5421da25 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -258,6 +258,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \ -fno-reorder-blocks -fno-allow-store-data-races -fasan-shadow-offset=% \ -fzero-call-used-regs=% -fno-stack-clash-protection \ -fno-inline-functions-called-once -fsanitize=bounds-strict \ + -fstrict-flex-arrays=% \ --param=% --param asan-% # Derived from `scripts/Makefile.clang`.