makefile

Linux Device Drivers 2nd 经典书籍的配套源码

# Comment/uncomment the following line to enable/disable debugging
#DEBUG = y

# This Makefile has been simplified as much as possible, by putting all
# generic material, independent of this specific directory, into
# ../Rules.make. Read that file for details

TOPDIR  := $(shell cd ..; pwd)
include $(TOPDIR)/Rules.make

ifeq ($(DEBUG),y)
  DEBFLAGS = -O -g -DSNULL_DEBUG # "-O" is needed to expand inlines
else
  DEBFLAGS = -O2
endif

CFLAGS += $(DEBFLAGS) -I..

TARGET = snull
OBJS = $(TARGET).o
SRC = $(TARGET).c

all: .depend $(TARGET).o

install:
	install -d $(INSTALLDIR)
	install -c $(TARGET).o $(INSTALLDIR)

clean:
	rm -f *.o *~ core .depend

depend .depend dep:
	$(CC) $(CFLAGS) -M $(TARGET).c > $@


ifeq (.depend,$(wildcard .depend))
include .depend
endif