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[77.11.142.233]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e7e45ff89sm100938295e9.8.2026.05.10.22.02.21 for <maintonly@bugs.debian.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2026 22:02:22 -0700 (PDT) Sender: Anton Gladky <gladky.anton@gmail.com> Received: by gladklaptop.localdomain (Postfix, from userid 1000) id 4E303F200B5; Mon, 11 May 2026 07:02:21 +0200 (CEST) Subject: fcl: 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 07:02:21 +0200 Message-Id: <20260511050221.4E303F200B5@gladklaptop.localdomain> Delivered-To: maintonly@bugs.debian.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package: src:fcl Version: 0.7.0-3 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 fcl FTBFS with libeigen3-dev 5.0.1. The full build log is available at: https://debusine.debian.net/debian/developers-gladk-eigen3/artifact/3755617/raw/fcl_0.7.0-3_amd64-2026-05-08T08:27:49Z.build Here is the most probably relevant part of the failing build log: =========================================== [ 1%] Building CXX object src/CMakeFiles/fcl.dir/broadphase/broadphase_bruteforce.cpp.o cd /build/reproducible-path/fcl-0.7.0/obj-x86_64-linux-gnu/src && /usr/bin/c++ -Dfcl_EXPORTS -I/build/reproducible-path/fcl-0.7.0/obj-x86_64-linux-gnu/include -I/build/reproducible-path/fcl-0.7.0/include -isystem /usr/include/eigen3 -g -O2 -ffile-prefix-map=/build/reproducible-path/fcl-0.7.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -std=c++11 -W -Wall -Wextra -Wpedantic -fPIC -fvisibility=hidden -MD -MT src/CMakeFiles/fcl.dir/broadphase/broadphase_bruteforce.cpp.o -MF CMakeFiles/fcl.dir/broadphase/broadphase_bruteforce.cpp.o.d -o CMakeFiles/fcl.dir/broadphase/broadphase_bruteforce.cpp.o -c /build/reproducible-path/fcl-0.7.0/src/broadphase/broadphase_bruteforce.cpp In file included from /usr/include/eigen3/Eigen/Core:22, from /usr/include/eigen3/Eigen/Dense:1, from /build/reproducible-path/fcl-0.7.0/include/fcl/common/types.h:46, from /build/reproducible-path/fcl-0.7.0/include/fcl/math/bv/AABB.h:41, from /build/reproducible-path/fcl-0.7.0/include/fcl/geometry/collision_geometry.h:43, from /build/reproducible-path/fcl-0.7.0/include/fcl/narrowphase/collision_object.h:43, from /build/reproducible-path/fcl-0.7.0/include/fcl/broadphase/broadphase_collision_manager.h:44, from /build/reproducible-path/fcl-0.7.0/include/fcl/broadphase/broadphase_SSaP.h:42, from /build/reproducible-path/fcl-0.7.0/include/fcl/broadphase/broadphase_SSaP-inl.h:41, from /build/reproducible-path/fcl-0.7.0/src/broadphase/broadphase_SSaP.cpp:38: /usr/include/eigen3/Eigen/src/Core/util/Macros.h:749:2: error: #error Eigen requires at least c++14 support. 749 | #error Eigen requires at least c++14 support. | ^~~~~ In file included from /usr/include/eigen3/Eigen/Core:22, from /usr/include/eigen3/Eigen/Dense:1, from /build/reproducible-path/fcl-0.7.0/include/fcl/common/types.h:46, from /build/reproducible-path/fcl-0.7.0/include/fcl/math/bv/AABB.h:41, from /build/reproducible-path/fcl-0.7.0/include/fcl/geometry/collision_geometry.h:43, from /build/reproducible-path/fcl-0.7.0/include/fcl/narrowphase/collision_object.h:43, from /build/reproducible-path/fcl-0.7.0/include/fcl/broadphase/broadphase_collision_manager.h:44, from /build/reproducible-path/fcl-0.7.0/include/fcl/broadphase/broadphase_bruteforce.h:42, from /build/reproducible-path/fcl-0.7.0/include/fcl/broadphase/broadphase_bruteforce-inl.h:41, from /build/reproducible-path/fcl-0.7.0/src/broadphase/broadphase_bruteforce.cpp:38: /usr/include/eigen3/Eigen/src/Core/util/Macros.h:749:2: error: #error Eigen requires at least c++14 support. 749 | #error Eigen requires at least c++14 support. | ^~~~~ =========================================== 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/wYFAmoBYtwACgkQ0+Fzg8+n /waOWQ/+OAL4e6WnWXmW/nIX1QtyvejMnk78uif9QIh4xI/gJd7aV2oDGm+udlQF D+c7V7LHECRsZCp87EIfoSfQYt7C3/c3JQhMn/1k+HCZ7Op9vj+Q0lDGQc95CXzk yzHe/LmRXIoGsrgEXkTwSZ/1E8TSl66M4Ft2uDwXCbcnvOisvy9szlPS4E5Lc25T Fb/qVCNVWWzRci3AFXfZVdGFW3aVxCiduWNde6FElqlTjbkHzSFsfzyJLY1BsiFR 8ECu3385a2yLPSPsTwwowpLXKScTOX2qAwackBwFwYx+Y0eBrQxLDOxLNxKkS5Yu 4QKrRbTS/zQWyxBKww6o1UvdegyEjwgge9Lh5+a7tvqbsnjHEHK9dEuH/tzy9Q+3 vfnX28HFgpPuuTggw9z76RKBVcSzI3bD0rgUqgW5u6tm+r2TTMdvz4ZwzWZ2KGSQ pEJkY8Jklv9YXEqodVzwkgwP2SBSeHT7N0CHPLUOdm3BQBfKfGhWUqgzZf/aOkCs 1R754SH3ZkRaEWB6u9kOj5HcB+A+rpcCwRVRAluFhbaILLnJ6SjlRcU1s57pwDXs qcvG/ktS2thkQl/DyTpJ6LgItb1kDMVt63i992nrmmQCEK2mZsp8c0kjQjOYnSX4 IJ3+88ijpo2j+u95Rzx2V6mTWCbxibh5aH3Jhp4bVLrEQnPtEi8= =L8JY -----END PGP SIGNATURE----- ]