From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by sourceware.org (Postfix) with ESMTPS id DC63E3858C54 for ; Wed, 15 Jun 2022 07:30:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org DC63E3858C54 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id CC5D71F8F7 for ; Wed, 15 Jun 2022 07:30:46 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id B8ACD139F3 for ; Wed, 15 Jun 2022 07:30:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id SpzPK6aKqWIEBwAAMHmgww (envelope-from ) for ; Wed, 15 Jun 2022 07:30:46 +0000 Message-ID: <58d4750a-bd09-d80f-fd19-d3cfbf026e78@suse.de> Date: Wed, 15 Jun 2022 09:30:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Fwd: [committed][gdb/build] Fix build for gcc < 11 References: <20220615070331.GA4485@delia.home> Content-Language: en-US To: "gdb-patches@sourceware.org" From: Tom de Vries In-Reply-To: <20220615070331.GA4485@delia.home> X-Forwarded-Message-Id: <20220615070331.GA4485@delia.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-12.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_NUMSUBJECT, 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: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Jun 2022 07:30:49 -0000 [ Oops, fix mailing list ] -------- Forwarded Message -------- Subject: [committed][gdb/build] Fix build for gcc < 11 Date: Wed, 15 Jun 2022 09:03:32 +0200 From: Tom de Vries To: gcc-patches@gcc.gnu.org Hi, When building trunk on openSUSE Leap 15.3 with system gcc 7.5.0, I run into: ... In file included from ../bfd/bfd.h:46:0, from gdb/defs.h:37, from gdb/debuginfod-support.c:19: gdb/debuginfod-support.c: In function ‘bool debuginfod_is_enabled()’: gdb/../include/diagnostics.h:42:3: error: unknown option after \ ‘#pragma GCC diagnostic’ kind [-Werror=pragmas] _Pragma (DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored option)) ^ gdb/../include/diagnostics.h:80:3: note: in expansion of macro \ ‘DIAGNOSTIC_IGNORE’ DIAGNOSTIC_IGNORE ("-Wstringop-overread") ^~~~~~~~~~~~~~~~~ gdb/debuginfod-support.c:201:4: note: in expansion of macro \ ‘DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD’ DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD ^ ... The problem is that the warning -Wstringop-overread has been introduced for gcc 11, and we can only tell gcc to ignore if it knows about it. Fix this by guarding the DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD definition in diagnostics.c with '#if __GNUC__ >= 11'. Tested on x86_64-linux, by completing a build. Committed to trunk. Thanks, - Tom [gdb/build] Fix build for gcc < 11 --- include/diagnostics.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/diagnostics.h b/include/diagnostics.h index 8bf5a3c3d9b..3da88282261 100644 --- a/include/diagnostics.h +++ b/include/diagnostics.h @@ -76,8 +76,10 @@ # define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION \ DIAGNOSTIC_IGNORE ("-Wstringop-truncation") +# if __GNUC__ >= 11 # define DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD \ DIAGNOSTIC_IGNORE ("-Wstringop-overread") +#endif # define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \ DIAGNOSTIC_IGNORE ("-Wformat-nonliteral")