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([2a00:1370:818c:173b:cc34:4e0d:9ea6:c16c]) by smtp.gmail.com with ESMTPSA id j28-20020ac253bc000000b004f76a88dbcbsm1567091lfh.176.2023.06.17.15.22.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Jun 2023 15:22:23 -0700 (PDT) To: libc-alpha@sourceware.org Cc: Nick Desaulniers Subject: [PATCH v3 3/5] cdefs.h: Enable __errordecl & __warnattr for Clang 14+ Date: Sun, 18 Jun 2023 01:22:16 +0300 Message-ID: <20230617222218.642125-4-bugaevc@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230617222218.642125-1-bugaevc@gmail.com> References: <20230617222218.642125-1-bugaevc@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-10.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Sergey Bugaev via Libc-alpha From: Sergey Bugaev Reply-To: Sergey Bugaev Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" Clang 14 (released in March 2022) has added support for attribute ((error)) and attribute ((warning)). Enable their usage when Clang 14 or later is detected, to get nicer diagnostics. https://reviews.llvm.org/D106030 https://github.com/llvm/llvm-project/commit/846e562dcc6a9a611d844dc0d123da95629a0567 Signed-off-by: Sergey Bugaev --- misc/sys/cdefs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 6ca8ca31..9b84043f 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -208,7 +208,7 @@ : __ ## f ## _chk (__VA_ARGS__, (__osz) / (__s)))) #endif -#if __GNUC_PREREQ (4,3) +#if __GNUC_PREREQ (4,3) || __glibc_clang_prereq (14,0) # define __warnattr(msg) __attribute__((__warning__ (msg))) # define __errordecl(name, msg) \ extern void name (void) __attribute__((__error__ (msg)))