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[77.11.142.233]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e701e89fbsm145346415e9.4.2026.05.10.22.11.34 for <maintonly@bugs.debian.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2026 22:11:34 -0700 (PDT) Sender: Anton Gladky <gladky.anton@gmail.com> Received: by gladklaptop.localdomain (Postfix, from userid 1000) id 2B050F200B5; Mon, 11 May 2026 07:11:34 +0200 (CEST) Subject: iqtree: 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 07:11:34 +0200 Message-Id: <20260511051134.2B050F200B5@gladklaptop.localdomain> Delivered-To: maintonly@bugs.debian.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package: src:iqtree Version: 2.4.0+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 iqtree FTBFS with libeigen3-dev 5.0.1. The full build log is available at: https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3756381/ Here is the most probably relevant part of the failing build log: =========================================== - -- Detecting CXX compile features - done CMake Error at CMakeLists.txt:88 (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 <== =========================================== 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/wYFAmoBZQUACgkQ0+Fzg8+n /wZCKg/+Ixnd65vg8w7m6R7IHcvfV2HGbwYH3acQLpjaO9Ee4v78XG/KpFTxxGi3 85papMeaTUGQjTOZcC+JzCL/7wbFt3s/8T9IIORTyFIPcUEMwvcZnV0vkJIK/ptZ G6VMUnZ2qOc/1BFoe4MzyO1q6H/IokjCa44rWCLPQzcs/exNpZc3jkShf1S6SMGF 4lch0XsO/P8Srg9LkTRfhmXfHEBI3pp8WbUhR3oQumLtOwqiU7cQd5OGWSXfClAK Fsztdky3Xx/SHcplVIAmezrvcSieaLA7Qlch5hSM6W0vh0yGrlTYa6RTPDvx6qYk ni7pAup8hJVIbfnFKIZcCK9IA8x4cdPSWdLWodcECHJoBfYvzqovD82d1I8/mN69 tcpWY2khfXZIbRyCgEjsF8u/SQSQJUKVO4ATd/yCEnm9p5SRqx2UxQrvPXf98a6Z KUgslYKRywblZRxGRicr1n18jFO4ihdpkGx1eceaWXqyPMSeN+BfGtvP+fpupiTD 7FEnXNkJKw05LtyakTySWXCVBhH0SfqY08Ne+xl22NyNWkSb3hZvMD45xhO3CS6Q QXjF9wev3woyfxzXWerV8+cx10YonE+ANHT29FUjFUUJLNpCXPZoo+kVcF5s+6Fd n1Q9i4jNGcU+xhQrjjBiTbHflWraKDOOirkyeV+WDGz1v0aSF8A= =nUVu -----END PGP SIGNATURE----- ]