1 # Use the default kernel version if the Makefile doesn't override it
5 LINUX_VERSION-3.18
= .43
6 LINUX_VERSION-4.4
= .71
7 LINUX_VERSION-4.9
= .31
9 LINUX_KERNEL_HASH-3.18
.43 = 1236e8123a6ce537d5029232560966feed054ae31776fe8481dd7d18cdd5492c
10 LINUX_KERNEL_HASH-4.4
.71 = 44cd5532d6df32197fd0f89e6f8c542fcfb76b52155a4d3a609ef4898522e6ab
11 LINUX_KERNEL_HASH-4.9
.31 = 28cad8b66216da2550155b7a77f37041bde40b821567d1b288e5e9fb6cca9856
14 LINUX_VERSION
:=$(KERNEL_PATCHVER
)$(strip $(LINUX_VERSION-
$(KERNEL_PATCHVER
)))
17 split_version
=$(subst .
, ,$(1))
18 merge_version
=$(subst $(space
),.
,$(1))
19 KERNEL_BASE
=$(firstword $(subst -, ,$(LINUX_VERSION
)))
20 KERNEL
=$(call merge_version
,$(wordlist
1,2,$(call split_version
,$(KERNEL_BASE
))))
21 KERNEL_PATCHVER ?
= $(KERNEL
)
23 # disable the md5sum check for unknown kernel versions
24 LINUX_KERNEL_HASH
:=$(LINUX_KERNEL_HASH-
$(strip $(LINUX_VERSION
)))