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path: root/include/kernel-version.mk
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# Use the default kernel version if the Makefile doesn't override it

LINUX_RELEASE?=1

ifdef CONFIG_TESTING_KERNEL
  KERNEL_PATCHVER:=$(KERNEL_TESTING_PATCHVER)
endif

LINUX_VERSION-4.9 = .183
LINUX_VERSION-4.14 = .129
LINUX_VERSION-4.19 = .55

LINUX_KERNEL_HASH-4.9.183 = fd57b0991cdbf4e2e933c260356a4768d6685a77460684f8de36a59fd42867f3
LINUX_KERNEL_HASH-4.14.129 = 7548482b03aea1784e728e4d29fe75a2abc61c9dbf9851ec925a7fbecf9336e4
LINUX_KERNEL_HASH-4.19.55 = c906f0cba7998c5942aaf7034ef8ea925f04f47a673816da05b203e97360b947

remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1)))))))

ifneq ($(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
  LINUX_VERSION:=$(call sanitize_uri,$(call remove_uri_prefix,$(CONFIG_KERNEL_GIT_CLONE_URI)))
  ifeq ($(call qstrip,$(CONFIG_KERNEL_GIT_REF)),)
    CONFIG_KERNEL_GIT_REF:=HEAD
  endif
  LINUX_VERSION:=$(LINUX_VERSION)-$(call sanitize_uri,$(CONFIG_KERNEL_GIT_REF))
else
ifdef KERNEL_PATCHVER
  LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
endif
ifdef KERNEL_TESTING_PATCHVER
  LINUX_TESTING_VERSION:=$(KERNEL_TESTING_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_TESTING_PATCHVER)))
endif
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_HASH:=$(LINUX_KERNEL_HASH-$(strip $(LINUX_VERSION)))
LINUX_KERNEL_HASH?=x