1 # Use the default kernel version if the Makefile doesn't override it
5 LINUX_VERSION-3.18
= .43
6 LINUX_VERSION-4.4
= .110
8 LINUX_KERNEL_HASH-3.18
.43 = 1236e8123a6ce537d5029232560966feed054ae31776fe8481dd7d18cdd5492c
9 LINUX_KERNEL_HASH-4.4
.110 = d099175aac5678e6cad2f23cd56ed22a2857143c0c18489390c95ba8c441db58
12 LINUX_VERSION
:=$(KERNEL_PATCHVER
)$(strip $(LINUX_VERSION-
$(KERNEL_PATCHVER
)))
15 split_version
=$(subst .
, ,$(1))
16 merge_version
=$(subst $(space
),.
,$(1))
17 KERNEL_BASE
=$(firstword $(subst -, ,$(LINUX_VERSION
)))
18 KERNEL
=$(call merge_version
,$(wordlist
1,2,$(call split_version
,$(KERNEL_BASE
))))
19 KERNEL_PATCHVER ?
= $(KERNEL
)
21 # disable the md5sum check for unknown kernel versions
22 LINUX_KERNEL_HASH
:=$(LINUX_KERNEL_HASH-
$(strip $(LINUX_VERSION
)))