SYSTEM_TYPE:=$(call qstrip,$(FREETZ_SYSTEM_TYPE))
SYSTEM_TYPE_CORE_SUFFIX:=$(call qstrip,$(FREETZ_SYSTEM_TYPE_CORE_SUFFIX))

KERNEL_VERSION:=$(call qstrip,$(FREETZ_KERNEL_VERSION))
KERNEL_VERSION_MAJOR:=$(call qstrip,$(FREETZ_KERNEL_VERSION_MAJOR))

AVM_SOURCE_ID:=$(call qstrip,$(FREETZ_AVM_SOURCE_ID))
KERNEL_ID:=$(SYSTEM_TYPE)$(SYSTEM_TYPE_CORE_SUFFIX)-$(AVM_SOURCE_ID)

KERNEL_DIR:=$(SOURCE_DIR_ROOT)/kernel/ref-$(KERNEL_ID)
KERNEL_SOURCE_DIR:=$(KERNEL_DIR)/linux-$(KERNEL_VERSION_MAJOR)
KERNEL_HEADERS_DEVEL_DIR:=$(TARGET_TOOLCHAIN_DIR)/linux-dev/$(KERNEL_VERSION_MAJOR)
KERNEL_MODULES_DIR:=$(KERNEL_TARGET_DIR)/modules-$(KERNEL_ID)
AVM_KERNEL_CONFIG_DIR:=$(KERNEL_SOURCE_DIR)/arch/$(KERNEL_ARCH)/kernel

ifneq (,$(filter y,$(FREETZ_REPLACE_KERNEL) $(shell grep -qe '^FREETZ_MODULE_.*=y$$' $(TOPDIR)/.config && echo y)))
	TARGETS+=kernel
endif

# The following list could be generated using the following code (TODO: valid for opensrc packages >= Fritz!OS-6.5x)
#   cd kernel-sources-dir-from-AVM-opensrc-package
#   find include -type l -printf '%l,%p\n' | sed -r -e 's,^(../)+,,' | sort -t ',' -k 1 | sed -e 's,^,KERNEL_LINKING_FILES += ,'
#
# WARNING:
#   the generated list is only valid for one ARCH/kernel-version, it has to be manually
#   checked and merged in order to be able to support all ARCHs/kernel-versions using
#   just one single list
#
# The list below is a subset of what AVM does in their kernel-init-scripts, see
#   gpl_compile_kernel.sh::run_avm_init_scripts
#   drivers/char/avm_new/init_avm_sammel
#   drivers/char/avm_power/init_power
#   drivers/char/tffs/init_avm_tffs
#   drivers/isdn/capi_oslib/init_capi_oslib
# for more details.

KERNEL_LINKING_FILES += drivers/char/avm_net_trace/avm_net_trace.h,include/linux/avm_net_trace.h
KERNEL_LINKING_FILES += drivers/char/avm_net_trace/avm_net_trace_ioctl.h,include/linux/avm_net_trace_ioctl.h
KERNEL_LINKING_FILES += drivers/char/avm_net_trace/avm_net_trace_ioctl.h,include/uapi/linux/avm_net_trace_ioctl.h

ifeq ($(strip $(FREETZ_KERNEL_VERSION_2_6_32_MAX)),y)
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_avm_event.h,include/linux/avm_event.h
else
KERNEL_LINKING_FILES += drivers/char/avm_new/avm_event.h,include/linux/avm_event.h
KERNEL_LINKING_FILES += drivers/char/avm_new/avm_event.h,include/uapi/linux/avm_event.h
endif

KERNEL_LINKING_FILES += drivers/char/avm_new/linux_ar7wdt.h,include/linux/ar7wdt.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_avm_debug.h,include/linux/avm_debug.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_avm_helpers.h,include/linux/avm_helpers.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_avm_kpi.h,include/linux/avm_kpi.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_avm_profile.h,include/linux/avm_profile.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_avm_reboot_status.h,include/linux/avm_reboot_status.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_irq_on.h,include/linux/irq_on.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_simple_mempool.h,include/linux/simple_mempool.h
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_simple_proc.h,include/linux/simple_proc.h

KERNEL_LINKING_FILES += drivers/char/avm_power/linux_avm_power.h,include/linux/avm_power.h

KERNEL_LINKING_FILES += drivers/char/tffs/linux_tffs.h,include/linux/tffs.h
KERNEL_LINKING_FILES += drivers/char/tffs/uapi_linux_tffs.h,include/uapi/linux/tffs.h

KERNEL_LINKING_FILES += drivers/char/ubik2/linux_pcmlink_ul.h,include/linux/pcmlink_ul.h
KERNEL_LINKING_FILES += drivers/char/ubik2/linux_ubik2_debug.h,include/linux/ubik2_debug.h
KERNEL_LINKING_FILES += drivers/char/ubik2/linux_ubik2_interface.h,include/linux/ubik2_interface.h
KERNEL_LINKING_FILES += drivers/char/ubik2/linux_ubik2_ul.h,include/linux/ubik2_ul.h

KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_capi_oslib.h,include/linux/capi_oslib.h
KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_capi_oslib.h,include/uapi/linux/capi_oslib.h
KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_new_capi.h,include/linux/new_capi.h
KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_new_capi.h,include/uapi/linux/new_capi.h
ifneq ($(strip $(FREETZ_AVM_VERSION_07_2X_MIN)),y)
KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_new_capi_debug.h,include/linux/new_capi_debug.h
KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_new_capi_debug.h,include/uapi/linux/new_capi_debug.h
endif
KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_zugriff.h,include/linux/zugriff.h
KERNEL_LINKING_FILES += drivers/isdn/capi_oslib/linux_zugriff.h,include/uapi/linux/zugriff.h

KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_avmnet.h,include/linux/avmnet.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_ifx_ppa_api_common.h,include/net/ifx_ppa_api_common.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_ifx_ppa_api_directpath.h,include/net/ifx_ppa_api_directpath.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_ifx_ppa_api.h,include/net/ifx_ppa_api.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_ifx_ppa_hook.h,include/net/ifx_ppa_hook.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_ifx_ppa_ppe_hal.h,include/net/ifx_ppa_ppe_hal.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_ifx_ppa_stack_al.h,include/net/ifx_ppa_stack_al.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/include/linux_ltq_eth_oam_handler.h,include/net/ltq_eth_oam_handler.h

ifneq ($(strip $(FREETZ_AVM_VERSION_07_2X_MIN)),y)
KERNEL_LINKING_FILES += net/avm_pa/avm_pa.h,include/linux/avm_pa.h
KERNEL_LINKING_FILES += net/avm_pa/avm_pa_hw.h,include/linux/avm_pa_hw.h
KERNEL_LINKING_FILES += net/avm_pa/avm_pa_ifx_multiplexer.h,include/linux/avm_pa_ifx_multiplexer.h
endif

# 2.6.13, 2.6.19, 2.6.28
KERNEL_LINKING_FILES += drivers/char/avm_new/linux_avm_led.h,include/linux/avm_led.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/linux_adm_reg.h,include/linux/adm_reg.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/linux_ar_reg.h,include/linux/ar_reg.h
KERNEL_LINKING_FILES += drivers/net/avm_cpmac/linux_avm_cpmac.h,include/linux/avm_cpmac.h