
Instead of one package `extra-cmake-modules`, there is now `ecm` and `ecmNoHooks`. The latter is used when one does not want to incur a Qt 5 dependency; it is also available as a top-level package `extra-cmake-modules`.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.