htpc@HTPC:~/Source/mythtv$ make distclean
cd libs/ && make -f Makefile distclean
make[1]: Entering directory `/home/htpc/Source/mythtv/libs'
make[1]: *** No rule to make target `/usr/share/qt3/mkspecs/default/qmake.conf', needed by `Makefile'.  Stop.
make[1]: Leaving directory `/home/htpc/Source/mythtv/libs'
make: *** [sub-libs-distclean-ordered] Error 2