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[77.11.142.233]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-454922715b9sm24052488f8f.36.2026.05.10.22.05.16 for <maintonly@bugs.debian.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2026 22:05:16 -0700 (PDT) Sender: Anton Gladky <gladky.anton@gmail.com> Received: by gladklaptop.localdomain (Postfix, from userid 1000) id F15BCF200B5; Mon, 11 May 2026 07:05:15 +0200 (CEST) Subject: g2o: 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 07:05:15 +0200 Message-Id: <20260511050515.F15BCF200B5@gladklaptop.localdomain> Delivered-To: maintonly@bugs.debian.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package: src:g2o Version: 0~20230806-5 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 g2o FTBFS with libeigen3-dev 5.0.1. The full build log is available at: https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3755814/ Here is the most probably relevant part of the failing build log: =========================================== The following information may help to resolve the situation: The following packages have unmet dependencies: sbuild-build-depends-main-dummy : Depends: debhelper (>= 11) but it is not going to be installed Depends: cmake but it is not going to be installed Depends: libopenblas-dev but it is not going to be installed Depends: libsuitesparse-dev but it is not going to be installed Depends: libopengl-dev but it is not going to be installed Depends: libqglviewer-headers but it is not going to be installed Depends: libeigen3-dev but it is not going to be installed Depends: libglut-dev but it is not going to be installed Depends: libtbb-dev but it is not going to be installed Depends: libmetis-dev but it is not going to be installed Depends: libceres-dev but it is not going to be installed Depends: libgmock-dev but it is not going to be installed E: Unable to satisfy dependencies. Reached two conflicting assignments: 1. libceres-dev:amd64 is selected for install because: 1. sbuild-build-depends-main-dummy:amd64=0.invalid.0 is selected for install 2. sbuild-build-depends-main-dummy:amd64 Depends libceres-dev 2. libceres-dev:amd64 Depends libeigen3-dev (< 3.4.1) but none of the choices are installable: - libeigen3-dev:amd64=3.4.0-5 is not selected for install apt-get failed. E: Package installation failed =========================================== 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/wYFAmoBY4sACgkQ0+Fzg8+n /wZgwg//a/aV5xbSoFCWkuEz54ZH8C56m3fj0FOuwkQCxHx3s8jk6v91vZdaX04P kpuu2CQxA8E2/NGhh4lYoDbaBy8JY4Mfh+oGZET3K0oBjmUZxgk4ovdPphSSm/I0 DACWsT5MrSnq/sXp5ypoMZtCRNQCOD2cwSkzqb83RHevQNuSgnz+7jD1P4H68cwJ H3EZ0ULWFycAUpn9QnltAX7v73t4DgkxKZhpIb4/bHsZDs62BTYzfqLnBNAgY9Z0 qEI1UGrzAcrWz2KHAZjV3ic6K5TMsuWH5Bp1te4UIlEm4jQlz+sLAwQ850Brca9U 2/Gn7CbPs1lqJNHFTgiNW1zjhUo6sWGHkAMBl7KGzwBzdNPiPukSauf73YBQskjT ynLVvFTcuSf6emDJDEhnDPqLhYxiaDYp+qD0E2g3r1qMKocJ9BWRVhgVBhirKYNF hFvBBoFef7Ikd9FXHLZv7Bl9A5fwkGoZDJz4CJwC1rsSVoxV5am+SnCBMyJDDf08 WsHfQh2ewBfOEvPONKSVf4VWtJSB0uXRi8uMPyao4sjqGpIo8/VuzexvtJYc9d0m Ewm774jUawCeW/ju8iJd56XVCwEaH2QRtXUXeEuyNXHNEKvoHvBHMdT1KU1+yuvD xs5D/Zdb4wozoQTDR2qdvV8vwx1VH75is0JYNE/+tISrXWbTUZw= =f54i -----END PGP SIGNATURE----- ]