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[77.11.142.233]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4549130549bsm22843233f8f.18.2026.05.10.21.59.50 for <maintonly@bugs.debian.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2026 21:59:50 -0700 (PDT) Sender: Anton Gladky <gladky.anton@gmail.com> Received: by gladklaptop.localdomain (Postfix, from userid 1000) id 7D3CBF200B5; Mon, 11 May 2026 06:59:49 +0200 (CEST) Subject: dart: FTBFS with libeigen3-dev 5.0 (major version transition) From: Anton Gladky <gladk@debian.org> To: <maintonly@bugs.debian.org> User-Agent: mail (GNU Mailutils 3.20) Date: Mon, 11 May 2026 06:59:49 +0200 Message-Id: <20260511045949.7D3CBF200B5@gladklaptop.localdomain> Delivered-To: maintonly@bugs.debian.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package: src:dart Version: 6.13.2+ds-3 Severity: important Tags: sid forky ftbfs User: debian-devel@lists.debian.org Usertags: eigen3-5.0 Dear Maintainer, your package depends on libeigen3-dev. The upstream released a new major version of this mathematical library, 5.0.0. Some basic information about new features and changes in this version can be found here: https://libeigen.gitlab.io/releases/5.0/ This is a major version change and may require code changes in packages depending on eigen3. The key breaking changes include: - Minimum required C++ standard is now C++14 - Changes in the build system integration - Some API name changes dart FTBFS with libeigen3-dev 5.0.1. The full build log is available at: https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3755228/ Here is the most probably relevant part of the failing build log: =========================================== - -- [ Required dependencies for DART core ] - -- Looking for libfmt - version 10.1.0 found CMake Error at cmake/DARTFindEigen3.cmake:9 (find_package): Could not find a configuration file for package "Eigen3" that is compatible with requested version "3.3.4". The following configuration files were considered but not accepted: /usr/share/eigen3/cmake/Eigen3Config.cmake, version: 5.0.1 The version found is not compatible with the version requested. Call Stack (most recent call first): cmake/DARTMacros.cmake:81 (include) cmake/DARTFindDependencies.cmake:17 (dart_find_package) CMakeLists.txt:189 (include) - -- Configuring incomplete, errors occurred! cd .pybuild/cpython3_3.14/build && tail -v -n \+0 CMakeCache.txt =========================================== libeigen3-dev_5.0.1-1 is available in experimental. When this package version lands into unstable (probably at the beginning of June 2026), this bug will be increased in severity to serious. Thanks, Anton -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEu71F6oGKuG/2fnKF0+Fzg8+n/wYFAmoBYkQACgkQ0+Fzg8+n /wbjZg/9EuLn9wy4vSGWPaMqfLQF36lTh4p6sOwdv7QSBfKgJ9sc5tAr7BgBCfYl hQx+K5b55dpJaVVdgCh6fiXQOYUT57sTWe5zX3yOaCC8Jp62DSBZOn5XGfXo0OLf r2iK0xcwHZe/E4Xg3ymsO/jqxHN2miI1gOLCTV+TOfEbxmnHLYqycluLsD7pLtoZ cHUtMji6RXdYAxzjG/BTbvjEDGECv43vZ7J9o3u0B31HHrNAfUDoN+bMd3FO1OEL NplXnM1bCrjyN7JKWO8r2ORId6EUsIXbgHWL77Ouwd4Rtz9nH3akZj9rqBdK8Mxz 8NM20kIkNFamO96+uv+O62PnBUbB9j94DWxRC6qIPYwU47McgK9lYoqUPc7SzHRv xOTK0pCyBTduHUgQK1M74l6UB3ll4yB+CYVayG6/HASU6N+bka155VfIcIswZ9K5 mCY94MrLnPrucmUOI4nyRup6Olmn2AAEWK0EXMAAH/o34jN8/+J4ni4kGn1c/qoU G4zDNdFZTEBmG5nEYgV4jmd8JK8EZhgQHK+okc52XmH9D0dC1X/Me+qC871Vx5GU +Fvfkk3LTdfBKeWYyltKX+KMTGECAMQb/Hb0st8t203Na0LbXNYczjn5rsc2ZmVD +S9g0rhPTb/DZqmz49dbZetLoRGRjPIYmEx5qPC0peUNE9dF3+Q= =7eDr -----END PGP SIGNATURE----- ]