ifeq ($(shell uname -r | sed 's@^\(.*\..*\)\..*@\1@'),2.4)
#################################### OPTIONS ##################################
# Change this to /usr/include if you get header file errors
INCLUDEDIR = /lib/modules/`uname -r`/build/include

ACFILE = $(INCLUDEDIR)/linux/autoconf.h

CFLAGS = -D__KERNEL__ -DMODULE -DOUTSIDE_KERNEL -O2 -Wall -Wstrict-prototypes \
	-fomit-frame-pointer -I$(INCLUDEDIR)

# Detect modversions support
ifneq ($(strip $(shell grep 'define CONFIG_MODVERSIONS 1' $(ACFILE))),)
CFLAGS += -DMODVERSIONS -include $(INCLUDEDIR)/linux/modversions.h
endif

# Detect extra required CFLAGS
EXTRA_CFLAGS := $(shell ./get_cflags.sh)
CFLAGS += $(EXTRA_CFLAGS)

CC = gcc
LD = ld
LD_RFLAG = -r

SEN_OBJS = ovcamchip_core.o ov6x20.o ov6x30.o ov7x10.o ov7x20.o ov76be.o
MODULES = ov511.o ovfx2.o ovcamchip.o saa7111-new.o tda7313.o

# Enable OV511 Decompression
CFLAGS += -DCONFIG_OV511_DECOMP
COMP_OBJS += ov511_decomp.o

# Enable OV518 Decompression
CFLAGS += -DCONFIG_OV518_DECOMP
COMP_OBJS += ov518_decomp.o

#################################### TARGETS ##################################

# tuner.o isn't in $(MODULES) since it would conflict with the kernel's tuner.o
all: $(MODULES) tuner.o

install: all
	./do_install.sh $(MODULES)

#################################### RULES ####################################

ovcamchip_core.o: ovcamchip_core.c ovcamchip.h compat.h
	$(CC) -c $(CFLAGS) -o ovcamchip_core.o ovcamchip_core.c

ov6x20.o: ov6x20.c ovcamchip.h compat.h
	$(CC) -c $(CFLAGS) ov6x20.c

ov6x30.o: ov6x30.c ovcamchip.h compat.h
	$(CC) -c $(CFLAGS) ov6x30.c

ov7x10.o: ov7x10.c ovcamchip.h compat.h
	$(CC) -c $(CFLAGS) ov7x10.c

ov7x20.o: ov7x20.c ovcamchip.h compat.h
	$(CC) -c $(CFLAGS) ov7x20.c

ov76be.o: ov76be.c ovcamchip.h compat.h
	$(CC) -c $(CFLAGS) ov76be.c

ovcamchip.o: $(SEN_OBJS)
	$(LD) $(LD_RFLAG) -o ovcamchip.o $(SEN_OBJS)

ov511_core.o: ov511_core.c ov511.h ovcamchip.h tuner.h audiochip.h id.h compat.h
	$(CC) -c $(CFLAGS) -o ov511_core.o ov511_core.c

ov511.o: ov511_core.o $(COMP_OBJS)
	$(LD) $(LD_RFLAG) -o ov511.o ov511_core.o $(COMP_OBJS)

ovfx2.o: ovfx2.c ovfx2.h ovcamchip.h compat.h
	$(CC) -c $(CFLAGS) -o ovfx2.o ovfx2.c

ov511_decomp.o: ov511_decomp.c ov511.h compat.h
	$(CC) -c $(CFLAGS) ov511_decomp.c

ov518_decomp.o: ov518_decomp.c ov511.h compat.h
	$(CC) -c $(CFLAGS) ov518_decomp.c

saa7111-new.o: saa7111-new.c compat.h
	$(CC) -c $(CFLAGS) saa7111-new.c

tuner.o: tuner.c tuner.h audiochip.h id.h compat.h
	$(CC) -c $(CFLAGS) tuner.c

tda7313.o: tda7313.c audiochip.h id.h compat.h
	$(CC) -c $(CFLAGS) tda7313.c

endif  # End kernel version test

############################ 2.5 kernel compile ###############################
ifeq ($(shell uname -r | sed 's@^\(.*\..*\)\..*@\1@'),2.5)

ifneq ($(KERNELRELEASE),)
# We were called by kbuild

obj-m += ovcamchip.o
obj-m += ov511.o
obj-m += ovfx2.o 
obj-m += saa7111-new.o
obj-m += tuner.o
obj-m += tda7313.o

ovcamchip-objs := ovcamchip_core.o ov6x20.o ov6x30.o ov7x10.o ov7x20.o ov76be.o 

ov511-objs := ov511_core.o ov511_decomp.o ov518_decomp.o
EXTRA_CFLAGS = -DCONFIG_OV511_DECOMP -DCONFIG_OV518_DECOMP

else  # We were called from command line

KDIR := /lib/modules/$(shell uname -r)/build
PWD  := $(shell pwd)

default:
	@echo '    Building OVCam drivers for 2.5 kernel.'
	@echo '    PLEASE IGNORE THE "Overriding SUBDIRS" WARNING'
	$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules

install:
	./do_install.sh *.ko

endif  # End kbuild check

endif  # End kernel version test

######################### Version independent targets ##########################

clean:
	rm -f *.o *.ko *.mod.* .[a-z]* core *.i