cd libs && make -f Makefile
make[1]: Entering directory `/home/jarle/sources/mythtv/mythtv/libs'
cd libavutil && make -f Makefile
make[2]: Entering directory `/home/jarle/sources/mythtv/mythtv/libs/libavutil'
make[2]: *** No rule to make target `/usr/share/qt4/mkspecs/linux-g++/qmake.conf', needed by `Makefile'.  Stop.
make[2]: Leaving directory `/home/jarle/sources/mythtv/mythtv/libs/libavutil'
make[1]: *** [sub-libavutil] Error 2
make[1]: Leaving directory `/home/jarle/sources/mythtv/mythtv/libs'
make: *** [sub-libs] Error 2