I am sorry. You're right. The package explicitly required the signals library. See https://github.com/KIT-MRT/mrt_cmake_modules/issues/14.
** Bug watch added: github.com/KIT-MRT/mrt_cmake_modules/issues #14 https://github.com/KIT-MRT/mrt_cmake_modules/issues/14 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1876788 Title: libboost-signals-dev not present in focal (64 bit) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/boost-defaults/+bug/1876788/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs