{"id":25684,"url":"https://patchwork.libcamera.org/api/patches/25684/?format=json","web_url":"https://patchwork.libcamera.org/patch/25684/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260107193607.2168539-3-barnabas.pocze@ideasonboard.com>","date":"2026-01-07T19:36:04","name":"[RFC,v1,2/5] meson: Ignore `Wredundant-move` with GCC 11 and above","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"378a721ff53a8adc5fd32ee6996e7dcc06a7810f","submitter":{"id":216,"url":"https://patchwork.libcamera.org/api/people/216/?format=json","name":"Barnabás Pőcze","email":"barnabas.pocze@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/25684/mbox/","series":[{"id":5694,"url":"https://patchwork.libcamera.org/api/series/5694/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5694","date":"2026-01-07T19:36:02","name":"C++20 migration","version":1,"mbox":"https://patchwork.libcamera.org/series/5694/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/25684/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/25684/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 0C7AEC323E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed,  7 Jan 2026 19:36:20 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 00C5961FC1;\n\tWed,  7 Jan 2026 20:36:17 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 982A261FA3\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed,  7 Jan 2026 20:36:13 +0100 (CET)","from pb-laptop.local (185.221.143.114.nat.pool.zt.hu\n\t[185.221.143.114])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id C83E417EB;\n\tWed,  7 Jan 2026 20:35:51 +0100 (CET)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"cjnj7+rc\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1767814551;\n\tbh=PJADmIcMVYSsK4UjaXq88z8n4mzdxSyj+P696Zi1wz8=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=cjnj7+rcR1eYOh0AKP8o23NiU1NI/CUszN8vD3xjy7yDUJAtkrY32r4ZlP1mWvkxg\n\tA7tRj/ilBjAH+zxxHCN4wMa8+b4dClxDsLTIA+KkIlSn9dNQ2ctEVt3qL2AZG0lsdo\n\t24zwoTxlegJs8rqxOddSy7tr3rJHfRX3pIJOUZ2U=","From":"=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Cc":"Naushir Patuck <naush@raspberrypi.com>","Subject":"[RFC PATCH v1 2/5] meson: Ignore `Wredundant-move` with GCC 11 and\n\tabove","Date":"Wed,  7 Jan 2026 20:36:04 +0100","Message-ID":"<20260107193607.2168539-3-barnabas.pocze@ideasonboard.com>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260107193607.2168539-1-barnabas.pocze@ideasonboard.com>","References":"<20260107193607.2168539-1-barnabas.pocze@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"In C++20 mode, object slicing in a return statement triggers automatic move\nsince GCC 11, and using `std::move()` emits `-Wredundant-move` in those\nsame GCC versions. So disable the warning in those as well.\n\nThis is relevant for `valueOrTuple()` in `py_helpers.cpp`, which\nreturns a `py::tuple` as `py::object`.\n\nSigned-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>\n---\n meson.build | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/meson.build b/meson.build\nindex 4aa7ecc96..1d8e1d994 100644\n--- a/meson.build\n+++ b/meson.build\n@@ -168,7 +168,7 @@ if cc.get_id() == 'gcc'\n     # disable the warning. With -Wpessimizing-move enabled, the compiler will\n     # still warn of pessimizing moves, only the redundant but not pessimizing\n     # moves will be ignored.\n-    if cc.version().version_compare('>=13')\n+    if cc.version().version_compare('>=11')\n         cpp_arguments += [\n             '-Wno-redundant-move',\n         ]\n","prefixes":["RFC","v1","2/5"]}