include /etc/oss.conf

EXTRA_CFLAGS += -I${OSSLIBDIR}/include/internals -I${OSSLIBDIR}/include/sys

ifneq ($(KERNELRELEASE),)

	obj-m := osscore.o

else

	KERNELDIR ?= /lib/modules/$(shell uname -r)/build
	PWD := $(shell pwd)
endif

default:
	@echo "static const char __oss_compile_vermagic[]" > ubuntu_version_hack.inc
#The kernel build system saves kernel version (obtained via "utsrelease.h")
#used during compile in a "vermagic" symbol. soundon compares this with
#current version of running kernel to know when to relink modules.
#Some Ubuntu kernels have  'uname -r' output different from "utsrelease.h"
#contents, so we save the previous uname as a fallback check.
# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/247055
	@echo "__attribute__((used))" >> ubuntu_version_hack.inc
	@echo "__attribute__((section(\".modinfo\")))" >> ubuntu_version_hack.inc
	@echo "= \"$(shell /usr/sbin/ossvermagic -z -s)\";" >> ubuntu_version_hack.inc

	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
	@rm -f ubuntu_version_hack.inc

clean:
	rm -f *.o *.ko *.mod.c *.mod.o .*.cmd core core.* x y z ubuntu_version_hack.inc
	rm -rf .tmp_versions