make[1]: Entering directory `/usr/src/openscenegraph'
lsmod | grep unionfs > /dev/null || modprobe unionfs
FATAL: Could not load /lib/modules/2.6.18-5-xen-vserver-686/modules.dep: No such file or directory
make[1]: *** [chroot-umounts] Error 1
make[1]: Leaving directory `/usr/src/openscenegraph'