gnome-classic-xsession binary package in Ubuntu Oracular ppc64el

 This package contains the required components for the GNOME Classic on Xorg
 session, based on the GNOME Shell. It can be started from a display
 manager such as GDM, and requires 3D acceleration to work properly.
 .
 The GNOME Shell provides core interface functions like switching
 windows, launching applications or see your notifications. It takes
 advantage of the capabilities of modern graphics hardware and
 introduces innovative user interface concepts to provide a
 delightful and easy to use experience. GNOME Shell is the defining
 technology of the GNOME user experience.
 .
 GNOME Classic provides an alternative version of GNOME Shell that uses
 more traditional design elements.

Source package