kernel: allow targets to specify KERNEL_PATCHVER instead of LINUX_VERSION

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43043

include/kernel-version.mk

@@ -2,32 +2,28 @@
 
 LINUX_RELEASE?=1
 
-ifeq ($(LINUX_VERSION),3.3.8)
-  LINUX_KERNEL_MD5SUM:=f1058f64eed085deb44f10cee8541d50
-endif
-ifeq ($(LINUX_VERSION),3.8.13)
-  LINUX_KERNEL_MD5SUM:=2af19d06cd47ec459519159cdd10542d
-endif
-ifeq ($(LINUX_VERSION),3.10.49)
-  LINUX_KERNEL_MD5SUM:=9774e12764e740d49c80eda77d0ef3eb
-endif
-ifeq ($(LINUX_VERSION),3.13.7)
-  LINUX_KERNEL_MD5SUM:=370adced5e5c1cb1d0d621c2dae2723f
-endif
-ifeq ($(LINUX_VERSION),3.14.18)
-  LINUX_KERNEL_MD5SUM:=3b002a06d0964d8101abec768c2d4eef
-endif
+LINUX_VERSION-3.3  = .8
+LINUX_VERSION-3.8  = .13
+LINUX_VERSION-3.10 = .49
+LINUX_VERSION-3.13 = .7
+LINUX_VERSION-3.14 = .18
 
-# disable the md5sum check for unknown kernel versions
-LINUX_KERNEL_MD5SUM?=x
+LINUX_KERNEL_MD5SUM-3.3.8   = f1058f64eed085deb44f10cee8541d50
+LINUX_KERNEL_MD5SUM-3.8.13  = 2af19d06cd47ec459519159cdd10542d
+LINUX_KERNEL_MD5SUM-3.10.49 = 9774e12764e740d49c80eda77d0ef3eb
+LINUX_KERNEL_MD5SUM-3.13.7  = 370adced5e5c1cb1d0d621c2dae2723f
+LINUX_KERNEL_MD5SUM-3.14.18 = 3b002a06d0964d8101abec768c2d4eef
+
+ifdef KERNEL_PATCHVER
+  LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
+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))))
-ifeq ($(firstword $(call split_version,$(KERNEL_BASE))),2)
-  KERNEL_PATCHVER=$(call merge_version,$(wordlist 1,3,$(call split_version,$(KERNEL_BASE))))
-else
-  KERNEL_PATCHVER=$(KERNEL)
-endif
+KERNEL_PATCHVER ?= $(KERNEL)
 
+# disable the md5sum check for unknown kernel versions
+LINUX_KERNEL_MD5SUM:=$(LINUX_KERNEL_MD5SUM-$(strip $(LINUX_VERSION)))
+LINUX_KERNEL_MD5SUM?=x