/usr/share/qt4/mkspecs/modules/qt_phonon.pri is in libphonon-dev 4:4.7.1-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | #configuration
# If we install this into an in-builddir deployment of Qt, it would confuse
# the next build of Qt. So pretend we're not there in this case.
# This file is loaded by qt_config.prf, before .qmake.cache has been loaded.
# Consequently, we have to do some stunts to get values out of the cache.
!exists($$_QMAKE_CACHE_)| \
!contains($$list($$fromfile($$_QMAKE_CACHE_, CONFIG)), QTDIR_build): \
QT_CONFIG += phonon
|