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[130.44.159.43]) by smtp.gmail.com with ESMTPSA id n14-20020a05620a294e00b006fbae4a5f59sm15346404qkp.41.2022.12.06.05.26.27 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Dec 2022 05:26:27 -0800 (PST) To: gcc-patches@gcc.gnu.org Subject: [PATCH RFA] build: add -Wconditionally-supported to strict_warn [PR64867] Date: Tue, 6 Dec 2022 08:26:24 -0500 Message-Id: <20221206132624.1051104-1-jason@redhat.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP 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: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Jason Merrill via Gcc-patches From: Jason Merrill Reply-To: Jason Merrill Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1751471347543799564?= X-GMAIL-MSGID: =?utf-8?q?1751471347543799564?= Tested x86_64-pc-linux-gnu, OK for trunk? -- 8< -- The PR (which isn't resolved by this commit) pointed out to me that GCC should build with -Wconditionally-supported to support bootstrapping with a C++11 compiler that makes different choices. PR c++/64867 gcc/ChangeLog: * configure.ac (strict_warn): Add -Wconditionally-supported. * configure: Regenerate. --- gcc/configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) base-commit: d19aa6af6634b1e97f38431ad091f3b3f12baf2f diff --git a/gcc/configure.ac b/gcc/configure.ac index 7ca08726efa..12771fc292c 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -580,7 +580,7 @@ ACX_PROG_CC_WARNING_OPTS( m4_quote(m4_do([-Wstrict-prototypes -Wmissing-prototypes ], [])), [c_loose_warn]) ACX_PROG_CXX_WARNING_OPTS( - m4_quote(m4_do([-Wmissing-format-attribute ], + m4_quote(m4_do([-Wmissing-format-attribute ], [-Wconditionally-supported ], [-Woverloaded-virtual])), [strict_warn]) ACX_PROG_CC_WARNING_OPTS( m4_quote(m4_do([-Wold-style-definition -Wc++-compat])), [c_strict_warn])