[{"id":38382,"web_url":"https://patchwork.libcamera.org/comment/38382/","msgid":"<177428533257.4036272.16590112072711440900@ping.linuxembedded.co.uk>","date":"2026-03-23T17:02:12","subject":"Re: [RFC PATCH v2 5/7] meson: Switch to C++20","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Quoting Barnabás Pőcze (2026-03-23 10:27:22)\n> Switch to using the C++20 standard when compiling libcamera.\n> \n> Signed-off-by: Barnabás Pőcze \n\nExcellent.\n\nAcked-by: Kieran Bingham \n\n> Reviewed-by: Naushir Patuck \n> ---\n> meson.build | 2 +-\n> 1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/meson.build b/meson.build\n> index fa38fa2c0..2e2a27ef4 100644\n> --- a/meson.build\n> +++ b/meson.build\n> @@ -6,7 +6,7 @@ project('libcamera', 'c', 'cpp',\n> default_options : [\n> 'werror=true',\n> 'warning_level=2',\n> - 'cpp_std=c++17',\n> + 'cpp_std=c++20',\n> ],\n> license : 'LGPL 2.1+')\n> \n> -- \n> 2.53.0\n>","headers":{"Return-Path":"","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 30FB5BD87C\n\tfor ;\n\tMon, 23 Mar 2026 17:02:17 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6E62462773;\n\tMon, 23 Mar 2026 18:02:16 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A91D262647\n\tfor ;\n\tMon, 23 Mar 2026 18:02:15 +0100 (CET)","from monstersaurus.ideasonboard.com\n\t(cpc89244-aztw30-2-0-cust6594.18-1.cable.virginm.net [86.31.185.195])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id D2A19289;\n\tMon, 23 Mar 2026 18:00:58 +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=\"rtlfdl5i\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1774285258;\n\tbh=6M98n46jMwuJobLIBcYyrcvwFxpnCfLV3/SmoAkw4BE=;\n\th=In-Reply-To:References:Subject:From:Cc:To:Date:From;\n\tb=rtlfdl5iwItnBfuAmDMmen15+6OOz/fZ8rBKodkXx/1j4esmCKLBZcnTrAlr0EiyM\n\tU2ul2dCe0iQo93Zf9d3PH0fCs6TKKqaYdB5ovEmX5O46XiBTCsIdb7+v19923x1G+F\n\tHL53d5j7H3B0l/qpDpH06D5CBDkc+0RipiqWAPIU=","Content-Type":"text/plain; charset=\"utf-8\"","MIME-Version":"1.0","Content-Transfer-Encoding":"quoted-printable","In-Reply-To":"<20260323102724.1385487-6-barnabas.pocze@ideasonboard.com>","References":"<20260323102724.1385487-1-barnabas.pocze@ideasonboard.com>\n\t<20260323102724.1385487-6-barnabas.pocze@ideasonboard.com>","Subject":"Re: [RFC PATCH v2 5/7] meson: Switch to C++20","From":"Kieran Bingham ","Cc":"Naushir Patuck ","To":"=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= ,\n\tlibcamera-devel@lists.libcamera.org","Date":"Mon, 23 Mar 2026 17:02:12 +0000","Message-ID":"<177428533257.4036272.16590112072711440900@ping.linuxembedded.co.uk>","User-Agent":"alot/0.9.1","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":38418,"web_url":"https://patchwork.libcamera.org/comment/38418/","msgid":"<20260326151112.GA2919822@killaraus.ideasonboard.com>","date":"2026-03-26T15:11:12","subject":"Re: [RFC PATCH v2 5/7] meson: Switch to C++20","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"On Mon, Mar 23, 2026 at 11:27:22AM +0100, Barnabás Pőcze wrote:\n> Switch to using the C++20 standard when compiling libcamera.\n> \n> Signed-off-by: Barnabás Pőcze \n> Reviewed-by: Naushir Patuck \n\nReviewed-by: Laurent Pinchart \n\nLooking forward to seeing this merged.\n\n> ---\n> meson.build | 2 +-\n> 1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/meson.build b/meson.build\n> index fa38fa2c0..2e2a27ef4 100644\n> --- a/meson.build\n> +++ b/meson.build\n> @@ -6,7 +6,7 @@ project('libcamera', 'c', 'cpp',\n> default_options : [\n> 'werror=true',\n> 'warning_level=2',\n> - 'cpp_std=c++17',\n> + 'cpp_std=c++20',\n> ],\n> license : 'LGPL 2.1+')\n>","headers":{"Return-Path":"","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 560B1BE086\n\tfor ;\n\tThu, 26 Mar 2026 15:11:17 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 76A2862850;\n\tThu, 26 Mar 2026 16:11:16 +0100 (CET)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 99DF662781\n\tfor ;\n\tThu, 26 Mar 2026 16:11:14 +0100 (CET)","from killaraus.ideasonboard.com\n\t(2001-14ba-703d-e500--2a1.rev.dnainternet.fi\n\t[IPv6:2001:14ba:703d:e500::2a1])\n\tby perceval.ideasonboard.com (Postfix) with UTF8SMTPSA id AAC8F225;\n\tThu, 26 Mar 2026 16:09:55 +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=\"ODxL92VA\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1774537795;\n\tbh=tBfQ4nhPqa+Uvs8CU1MNAQhO+fbp7Gi5u0AaAyR4iPk=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=ODxL92VAJa7YcUtQ+pXE9YjH6/kBSzqchtNj3Ts7QdiuEvX7+FuXshoi3raaPgsnn\n\tUNzMPp+edLP67odmGNjYZhb6tUJ3LAFRMWgRjZX2LiYubc3wAQewciK63HvT0bWFh2\n\tH50RoGM54Ng9kcuUWwTQw1lSubB61T1rlvQ2+TbU=","Date":"Thu, 26 Mar 2026 17:11:12 +0200","From":"Laurent Pinchart ","To":"=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= ","Cc":"libcamera-devel@lists.libcamera.org,\n\tNaushir Patuck ","Subject":"Re: [RFC PATCH v2 5/7] meson: Switch to C++20","Message-ID":"<20260326151112.GA2919822@killaraus.ideasonboard.com>","References":"<20260323102724.1385487-1-barnabas.pocze@ideasonboard.com>\n\t<20260323102724.1385487-6-barnabas.pocze@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; 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