# kbuild trick to avoid linker error. Can be omitted if a module is built.
  obj- := dummy.o
  
  # List of programs to build
  hostprogs-y := ifenslave

  HOSTCFLAGS_ifenslave.o += -I$(objtree)/usr/include

  # Tell kbuild to always build the programs
  always := $(hostprogs-y)

  
  obj-m := timestamping/