image.mk: force rebuild of kernel dependent parts - fixes auto-rebuild on DTS changes
[openwrt/openwrt.git] / include / kernel-version.mk
1 # Use the default kernel version if the Makefile doesn't override it
2
3 LINUX_RELEASE?=1
4
5 LINUX_VERSION-3.18 = .11
6 LINUX_VERSION-4.0 = -rc7
7
8 LINUX_KERNEL_MD5SUM-3.18.11 = 2def91951c9cedf7896efb864e0c090c
9 LINUX_KERNEL_MD5SUM-4.0-rc7 = 26db663899b1a54397b4f184ca05f213
10
11 ifdef KERNEL_PATCHVER
12 LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
13 endif
14
15 split_version=$(subst ., ,$(1))
16 merge_version=$(subst $(space),.,$(1))
17 KERNEL_BASE=$(firstword $(subst -, ,$(LINUX_VERSION)))
18 KERNEL=$(call merge_version,$(wordlist 1,2,$(call split_version,$(KERNEL_BASE))))
19 KERNEL_PATCHVER ?= $(KERNEL)
20
21 # disable the md5sum check for unknown kernel versions
22 LINUX_KERNEL_MD5SUM:=$(LINUX_KERNEL_MD5SUM-$(strip $(LINUX_VERSION)))
23 LINUX_KERNEL_MD5SUM?=x