linuxdeployqt takes an application as input and makes it self-contained by copying in the Qt libraries and plugins that the application uses. It is based on macdeployqt in the tools applications of the Qt Toolkit.
* Build and install [patchelf](https://nixos.org/patchelf.html) (a small utility to modify the dynamic linker and RPATH of ELF executables; similar to `install_name_tool` on macOS)