/usr/share/qt4/mkspecs/features/qtopialib.prf is in qt4-qmake 4:4.8.1-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | !isEmpty(QMAKE_LIBDIR_QTOPIA):QMAKE_LIBDIR = $$QMAKE_LIBDIR_QTOPIA
LIBS += $$QMAKE_LIBS_QTOPIA
|