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[72.10.141.111]) by smtp.gmail.com with ESMTPSA id u63sm7822859qkh.43.2022.01.30.21.22.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Jan 2022 21:22:20 -0800 (PST) From: Maxim Cournoyer References: <20220130074848.3397-1-maxim.cournoyer@gmail.com> <20220130074848.3397-4-maxim.cournoyer@gmail.com> Date: Mon, 31 Jan 2022 00:22:19 -0500 In-Reply-To: <20220130074848.3397-4-maxim.cournoyer@gmail.com> (Maxim Cournoyer's message of "Sun, 30 Jan 2022 02:48:48 -0500") Message-ID: <877dago4xg.fsf_-_@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::f2b (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::f2b; envelope-from=maxim.cournoyer@gmail.com; helo=mail-qv1-xf2b.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) Hello, Maxim Cournoyer writes: > * gnu/packages/electronics.scm (openboardview): New variable. I've found a source of nondeterminism in the build of openboardview: the use of the CPP __TIMESTAMP__ macro (info '(cpp) Common Predefined Macros'). It seems that GCC 10.3.0 still doesn't doesn't honor SOURCE_EPOCH_DATE for that macro. A patch was made to correct this, but it seems it was never applied [0]. I've ping'd in the #gcc channel to verify. I haven't seen the patch carried by Debian for their GCC package. Thanks, Maxim [0] https://gcc.gnu.org/pipermail/gcc-patches/2016-November/461108.html