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# Use the default kernel version if the Makefile doesn't override it

LINUX_RELEASE?=1

LINUX_VERSION-3.8  = .13
LINUX_VERSION-3.10 = .58
LINUX_VERSION-3.13 = .7
LINUX_VERSION-3.14 = .29
LINUX_VERSION-3.18 = .3
LINUX_VERSION-3.19 = -rc5

LINUX_KERNEL_MD5SUM-3.8.13  = 2af19d06cd47ec459519159cdd10542d
LINUX_KERNEL_MD5SUM-3.10.58 = 3ff3478b6351143cef22d4b81cf48b01
LINUX_KERNEL_MD5SUM-3.13.7  = 370adced5e5c1cb1d0d621c2dae2723f
LINUX_KERNEL_MD5SUM-3.14.29 = a745f70181b573a34579d685ca16370e
LINUX_KERNEL_MD5SUM-3.18.3  = 7f37f59b9f01945c9503bc9deed88820

ifdef KERNEL_PATCHVER
  LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
endif

split_version=$(subst ., ,$(1))
merge_version=$(subst $(space),.,$(1))
KERNEL_BASE=$(firstword $(subst -, ,$(LINUX_VERSION)))
KERNEL=$(call merge_version,$(wordlist 1,2,$(call split_version,$(KERNEL_BASE))))
KERNEL_PATCHVER ?= $(KERNEL)

# disable the md5sum check for unknown kernel versions
LINUX_KERNEL_MD5SUM:=$(LINUX_KERNEL_MD5SUM-$(strip $(LINUX_VERSION)))
LINUX_KERNEL_MD5SUM?=x