{"id":26009,"url":"https://patchwork.libcamera.org/api/patches/26009/?format=json","web_url":"https://patchwork.libcamera.org/patch/26009/","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":"<20260128124011.104617-1-kieran.bingham@ideasonboard.com>","date":"2026-01-28T12:40:11","name":"apps: qcam: Disable -Wsfinae-incomplete","commit_ref":"aa2a0812e6692a29a161b6790a520ba8076347f8","pull_url":null,"state":"accepted","archived":false,"hash":"40ae1ff66c66b236a448d388460872e5920f3760","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/?format=json","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/26009/mbox/","series":[{"id":5749,"url":"https://patchwork.libcamera.org/api/series/5749/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5749","date":"2026-01-28T12:40:11","name":"apps: qcam: Disable -Wsfinae-incomplete","version":1,"mbox":"https://patchwork.libcamera.org/series/5749/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/26009/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/26009/checks/","tags":{},"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 01F85C3200\n\tfor ;\n\tWed, 28 Jan 2026 12:40:18 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 10DDA61FD0;\n\tWed, 28 Jan 2026 13:40:18 +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 81A4261FC4\n\tfor ;\n\tWed, 28 Jan 2026 13:40:16 +0100 (CET)","from Monstersaurus.hippo-penny.ts.net\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 78DDF73B;\n\tWed, 28 Jan 2026 13:39:39 +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=\"hL53MEcC\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1769603979;\n\tbh=NAvmrtswaN0R3VXKkBEEF1fZKgaG5pNpxOtCc7sXMPU=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=hL53MEcCUkxdRmo2GPexCBVz2sqY0uJZ4nQPDA+MNABv3z4dMgj3hdLttkeUAx4mt\n\t12SjG7dbMY1cd5zUpXQN3N49RkMYNukNq9kH5DfepzZwaVwghz9xraq5q1CghXrINx\n\t0q8GnVa+DytYTk3CUOMlS27MK4KN+JjopycdNgOI=","From":"Kieran Bingham ","To":"libcamera devel ","Cc":"Kieran Bingham ","Subject":"[PATCH] apps: qcam: Disable -Wsfinae-incomplete","Date":"Wed, 28 Jan 2026 12:40:11 +0000","Message-ID":"<20260128124011.104617-1-kieran.bingham@ideasonboard.com>","X-Mailer":"git-send-email 2.52.0","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":"","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\" "},"content":"GCC-16 has updated the warnings enabled and now includes\n-Wsfinae-incomplete triggering breakage in the included headers from\nQt6:\n\n/usr/include/qt6/QtCore/qregularexpression.h:31:21: error: defining ‘QRegularExpression’, which previously failed to be complete in a SFINAE context [-Werror=sfinae-incomplete=]\n\nThis is a Qt header issue outside of libcamera’s control. Disable the\nwarning for qcam to restore buildability with newer GCC versions.\n\nSigned-off-by: Kieran Bingham \n---\n\nI see there's a conditional section to only disable some warnings for\nspecific versions, but I have no indication here as to when or if this\nwarning will be fixed - so I've chosen to just put it directly into the\nmain flags to disable the warning.\n\nIt's out side of our control, and doesn't impact what we can do.\n\n src/apps/qcam/meson.build | 1 +\n 1 file changed, 1 insertion(+)","diff":"diff --git a/src/apps/qcam/meson.build b/src/apps/qcam/meson.build\nindex 33600095ff9d..8eb815eed863 100644\n--- a/src/apps/qcam/meson.build\n+++ b/src/apps/qcam/meson.build\n@@ -40,6 +40,7 @@ qt6_cpp_args = [\n apps_cpp_args,\n '-DQT_NO_KEYWORDS',\n '-Wno-extra-semi',\n+ '-Wno-sfinae-incomplete',\n ]\n \n # gcc 12 and 13 output a false positive variable shadowing warning with Qt\n","prefixes":[]}