1# Use the default kernel version if the Makefile doesn't override it
2
3LINUX_RELEASE?=1
4
5LINUX_VERSION-3.18 = .44
6LINUX_VERSION-4.1 = .35
7LINUX_VERSION-4.4 = .14
8
9LINUX_KERNEL_MD5SUM-3.18.44 = 7c52da2f54381a84960118b5bf23381a
10LINUX_KERNEL_MD5SUM-4.1.35 = 14ca049674ee83a651be1dc69f5b8d2c
11LINUX_KERNEL_MD5SUM-4.4.14 = 59e99c3bf5d495f1f95d26257962ca3e
12
13ifdef KERNEL_PATCHVER
14  LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
15endif
16
17split_version=$(subst ., ,$(1))
18merge_version=$(subst $(space),.,$(1))
19KERNEL_BASE=$(firstword $(subst -, ,$(LINUX_VERSION)))
20KERNEL=$(call merge_version,$(wordlist 1,2,$(call split_version,$(KERNEL_BASE))))
21KERNEL_PATCHVER ?= $(KERNEL)
22
23# disable the md5sum check for unknown kernel versions
24LINUX_KERNEL_MD5SUM:=$(LINUX_KERNEL_MD5SUM-$(strip $(LINUX_VERSION)))
25LINUX_KERNEL_MD5SUM?=x
26