1. 根目录:
2. drivers
3. pps
4. clients
5. Makefile

#
# Makefile for PPS clients.
#

obj-$(CONFIG_PPS_CLIENT_KTIMER)	+= pps-ktimer.o
obj-$(CONFIG_PPS_CLIENT_LDISC)	+= pps-ldisc.o
obj-$(CONFIG_PPS_CLIENT_PARPORT) += pps_parport.o

ccflags-$(CONFIG_PPS_DEBUG) := -DDEBUG