include/kernel-version.mk

   1
   2 # Use the default kernel version if the Makefile doesn't override it
   3 LINUX_RELEASE?=1
   4
   5 ifdef CONFIG_TESTING_KERNEL
   6   KERNEL_PATCHVER:=$(KERNEL_TESTING_PATCHVER)
   7 endif
   8
   9 KERNEL_DETAILS_FILE=$(INCLUDE_DIR)/kernel-$(KERNEL_PATCHVER)
  10 ifeq ($(wildcard $(KERNEL_DETAILS_FILE)),)
  11   $(error Missing kernel version/hash file for $(KERNEL_PATCHVER). Please create $(KERNEL_DETAILS_FILE))
  12 endif
  13
  14 include $(KERNEL_DETAILS_FILE)
  15
  16 remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
  17 sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1)))))))
  18
  19 ifneq ($(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
  20   LINUX_VERSION:=$(call sanitize_uri,$(call remove_uri_prefix,$(CONFIG_KERNEL_GIT_CLONE_URI)))
  21   ifeq ($(call qstrip,$(CONFIG_KERNEL_GIT_REF)),)
  22     CONFIG_KERNEL_GIT_REF:=HEAD
  23   endif
  24   LINUX_VERSION:=$(LINUX_VERSION)-$(call sanitize_uri,$(CONFIG_KERNEL_GIT_REF))
  25 else
  26 ifdef KERNEL_PATCHVER
  27   LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
  28 endif
  29 ifdef KERNEL_TESTING_PATCHVER
  30   LINUX_TESTING_VERSION:=$(KERNEL_TESTING_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_TESTING_PATCHVER)))
  31 endif
  32 endif
  33
  34 split_version=$(subst ., ,$(1))
  35 merge_version=$(subst $(space),.,$(1))
  36 KERNEL_BASE=$(firstword $(subst -, ,$(LINUX_VERSION)))
  37 KERNEL=$(call merge_version,$(wordlist 1,2,$(call split_version,$(KERNEL_BASE))))
  38 KERNEL_PATCHVER ?= $(KERNEL)
  39
  40 # disable the md5sum check for unknown kernel versions
  41 LINUX_KERNEL_HASH:=$(LINUX_KERNEL_HASH-$(strip $(LINUX_VERSION)))
  42 LINUX_KERNEL_HASH?=x