while the names of the compilers are actually an undocumented internal,
we don't provide an actually working proper way to sequence extra
compiler execution with build-time generated inputs when they are
indirectly listed (as via .qrc files).

Task-number: QTBUG-54299
Change-Id: I269c26512897b72706dc8b769aa47e8157c2a5c5
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>