This example show how to use the automake/autoconf system  with VDK
Just use AC_PATH_VDK(VERSION [, ACTION_IF_FOUND [, ACTION_IF_NOT_FOUND]])
in your configure.in script. Now there are avaiable for your Makefiles these
variables:
VDK_LIBS: all -L* and -l* needed
VDK_CFLAGS: all -I needed
VDK_CONFIG: full path to vdk-config
