This is deprecated in newer automake versions, and this causes warnings
with automake 1.14:
panels/printers/Makefile.am:3: warning: 'INCLUDES' is the old name for
AM_CPPFLAGS' (or '*_CPPFLAGS')
https://bugzilla.gnome.org/show_bug.cgi?id=732189
Replace the gnome-shell builtin settings search, which relied on removed
menu files, with one that uses the remote search infrastructure and
CcSearchModel, and features the ability to continue searching within the
control center application.
https://bugzilla.gnome.org/show_bug.cgi?id=690577