PATH=$BUILDDIR/tmp/staging/$BUILD_SYS/bin:$BUILDDIR/tmp/cross/bin:$PATH
 
-if [ -z "$QEMU_MEMORY" ]; then
-    QEMU_MEMORY="64M"
-fi
-
 if [ "x$1" = "x" ]; then
     echo
     echo "Run as $0 MACHINE IMAGETYPE ZIMAGE IMAGEFILE"
     echo "Warning: distccd not present, no distcc support loaded"
 fi
 
-source $OEROOT/scripts/runqemu-internal
+INTERNAL_SCRIPT=`which runqemu-internal`
+source $INTERNAL_SCRIPT
 
 if [ -x "$DISTCCD" ]; then
     killall distccd
 
     MACHINE=`basename $ZIMAGE | sed -e 's#.*-\([a-z]*\)-*[0-9]*..*#\1#'`
 fi
 
-source $OEROOT/scripts/runqemu-internal
+INTERNAL_SCRIPT=`which runqemu-internal`
+source $INTERNAL_SCRIPT