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

LINUX_RELEASE?=1

LINUX_VERSION-3.10 = .49
LINUX_VERSION-3.3 = .8
LINUX_VERSION-2.6.32 = .71

LINUX_KERNEL_MD5SUM-3.10.49 = 9774e12764e740d49c80eda77d0ef3eb
LINUX_KERNEL_MD5SUM-3.3.8:=21068f0fd262b9b3670947f7892e1d6b
LINUX_KERNEL_MD5SUM-2.6.32.71:=1dcf8eaa41fc479169be80d015bce4d9


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