From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?Gerd_M=C3=B6llmann?= Newsgroups: gmane.emacs.devel Subject: Re: GCC/clang warning for Complex integers? 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[79.227.167.252]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42573c55ff4sm132773075e9.46.2024.07.01.07.31.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jul 2024 07:31:59 -0700 (PDT) In-Reply-To: <87sewt5ifa.fsf@yahoo.com> (Po Lu's message of "Mon, 01 Jul 2024 21:51:53 +0800") Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=gerd.moellmann@gmail.com; helo=mail-wr1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:321026 Archived-At: Po Lu writes: > Pip Cet writes: > >> That doesn't appear to work here. gcc -Wno-error=pedantic -Wpedantic does work, but causes an (easily-fixed) compilation error (I didn't know -W flags could do that!) in seccomp-filter.c, and tons of warnings about things like statement expressions: >> >> igc.c:1917:25: warning: imaginary constants are a GCC extension >> 1917 | ssize_t count_total = 0i; >> | ^~ > > This is a preprocessor warning, IIRC, only activated when -Wpedantic. This seems to work, at least for clang 18. Didn't try GCC further because it can't build Emacs on macOS: CFLAGS = -Wgnu-imaginary-constant -g -O0 Gemini said something like that doesn't exist, the source code disagreed :-).