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[77.11.142.233]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e702e5516sm245201245e9.7.2026.05.10.22.12.31 for <maintonly@bugs.debian.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2026 22:12:31 -0700 (PDT) Sender: Anton Gladky <gladky.anton@gmail.com> Received: by gladklaptop.localdomain (Postfix, from userid 1000) id CC036F200B5; Mon, 11 May 2026 07:12:30 +0200 (CEST) Subject: iqtree3: 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 07:12:30 +0200 Message-Id: <20260511051230.CC036F200B5@gladklaptop.localdomain> Delivered-To: maintonly@bugs.debian.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package: src:iqtree3 Version: 3.1.1+dfsg-1 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 iqtree3 FTBFS with libeigen3-dev 5.0.1. The full build log is available at: https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3756398/ Here is the most probably relevant part of the failing build log: =========================================== - -- Detecting CXX compile features - done CMake Error at CMakeLists.txt:93 (message): Eigen3 library not found. Either install it or rerun cmake with -DEIGEN3_INCLUDE_DIR=<installed_eigen3_dir> - -- Configuring incomplete, errors occurred! cd build.omp && tail -v -n \+0 CMakeCache.txt ==> CMakeCache.txt <== # This is the CMakeCache file. =========================================== 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/wYFAmoBZT4ACgkQ0+Fzg8+n /waYAw/9Gvu7NGX59wsScNjV7ln0qFTqRev9ks972hAp9MlTq2rHU96WPgFwYAHI bGsRsNLr+4EjSR4QiyNwFDaYSBbCocmRoQZgusEMIDw4VeMkBM8ZKE8e3klkuASA G5+8Z191o8ntKfDuGqE/v51IODYCpUshUXDTLQWua8iOMpEjXFfHXeXAofFQUdzL uAvcS4A4oIgIGUj7lQcFsfTIq9oWxAbvT6Bb+cB0KWbrg+HDnxvWED6w1LywNWxG 1nYHCrpuCcVD/isORPaRST7w26ley3NTrihfl+FlJabtPOYWKySHJMdyD33sinFQ kcIor2dM9ll0Vl1rwLPIvVHxmni75y1dIOjPmpZCzxRcf7ehgyJNkdSYybRNwpjP iCUVMdquMG3g1lUxFIyMRuoWI5JpOtoUieRY1v2xODiFe+Ma6L6UyBhr9BciZNru esOnBcMtFjDX0BKSokG+lhddQp1RY4DoGuwFGmat5yH80yZxwld2zUGBXeMcHoEF yyIflVLIbydyn0FyBc6/QGyLc1qM6fcPrh1HRl931/Exvzj6miZkFGSPKOwrYgto QULujto0wSiM4rKLz9doru1a6HodkpoqWKL4tk0EqnidSrBLmOdpmrIlNbjVjjDV xNupuRvw3uV9qkKyRDDAbbT3qiaS2Uh9PPkUO4SK9fbVFOww73A= =S6aW -----END PGP SIGNATURE----- ]