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{ "id": 25684, "url": "https://patchwork.libcamera.org/api/1.1/patches/25684/?format=api", "web_url": "https://patchwork.libcamera.org/patch/25684/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api", "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"[RFC,v1,2/5] meson: Ignore `Wredundant-move` with GCC 11 and above", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "378a721ff53a8adc5fd32ee6996e7dcc06a7810f", "submitter": { "id": 216, "url":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/1.1/people/216/?format=api", "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/1.1/series/5694/?format=api", "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" ] }