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 $(KERNEL_DETAILS_FILE)
  15
  16 ifdef KERNEL_TESTING_PATCHVER
  17   KERNEL_TESTING_DETAILS_FILE=$(INCLUDE_DIR)/kernel-$(KERNEL_TESTING_PATCHVER)
  18   ifeq ($(wildcard $(KERNEL_TESTING_DETAILS_FILE)),)
  19     $(error Missing kernel version/hash file for $(KERNEL_TESTING_PATCHVER). Please create $(KERNEL_TESTING_DETAILS_FILE))
  20   endif
  21
  22   include $(KERNEL_TESTING_DETAILS_FILE)
  23 endif
  24
  25 remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))
  26 sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1)))))))
  27
  28 ifneq ($(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
  29   LINUX_VERSION:=$(call sanitize_uri,$(call remove_uri_prefix,$(CONFIG_KERNEL_GIT_CLONE_URI)))
  30   ifeq ($(call qstrip,$(CONFIG_KERNEL_GIT_REF)),)
  31     CONFIG_KERNEL_GIT_REF:=HEAD
  32   endif
  33   LINUX_VERSION:=$(LINUX_VERSION)-$(call sanitize_uri,$(CONFIG_KERNEL_GIT_REF))
  34 else
  35 ifdef KERNEL_PATCHVER
  36   LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
  37 endif
  38 ifdef KERNEL_TESTING_PATCHVER
  39   LINUX_TESTING_VERSION:=$(KERNEL_TESTING_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_TESTING_PATCHVER)))
  40 endif
  41 endif
  42
  43 split_version=$(subst ., ,$(1))
  44 merge_version=$(subst $(space),.,$(1))
  45 KERNEL_BASE=$(firstword $(subst -, ,$(LINUX_VERSION)))
  46 KERNEL=$(call merge_version,$(wordlist 1,2,$(call split_version,$(KERNEL_BASE))))
  47 KERNEL_PATCHVER ?= $(KERNEL)
  48
  49 # disable the md5sum check for unknown kernel versions
  50 LINUX_KERNEL_HASH:=$(LINUX_KERNEL_HASH-$(strip $(LINUX_VERSION)))
  51 LINUX_KERNEL_HASH?=x