build prereq: look for tar under the name "gnutar" as well

[openwrt.git] / include / kernel-version.mk

diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index eaac886..436306a 100644 (file)
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -1,15 +1,40 @@
 # Use the default kernel version if the Makefile doesn't override it
 
-ifeq ($(LINUX_VERSION),)
-  ifeq ($(KERNEL),2.4)
-    LINUX_VERSION:=2.4.34
-    LINUX_RELEASE:=1
-    LINUX_KERNEL_MD5SUM:=f59665540a7f3351ea416a0dad104b55
-  else
-    LINUX_VERSION:=2.6.21.5
-    LINUX_RELEASE:=1
-    LINUX_KERNEL_MD5SUM:=2e9a302b5d514b231640227d6a2ab7bf
-  endif
-endif
-KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
+ifeq ($(KERNEL),2.4)
+  LINUX_VERSION?=2.4.37.5
+else
+  LINUX_VERSION?=2.6.21.7
+endif
+LINUX_RELEASE?=1
+
+ifeq ($(LINUX_VERSION),2.4.37.5)
+  LINUX_KERNEL_MD5SUM:=cb221187422acaf6c63a40c646e5e476
+endif
+ifeq ($(LINUX_VERSION),2.6.21.7)
+  LINUX_KERNEL_MD5SUM:=bc15fad1487336d5dcb0945cd039d8ed
+endif
+ifeq ($(LINUX_VERSION),2.6.25.20)
+  LINUX_KERNEL_MD5SUM:=0da698edccf03e2235abc2830a495114
+endif
+ifeq ($(LINUX_VERSION),2.6.27.33)
+  LINUX_KERNEL_MD5SUM:=c21c398f2f80c7856c1334e34ac438b5
+endif
+ifeq ($(LINUX_VERSION),2.6.28.10)
+  LINUX_KERNEL_MD5SUM:=c4efb2c494d749cb5de274f8ae41c3fa
+endif
+ifeq ($(LINUX_VERSION),2.6.30.6)
+  LINUX_KERNEL_MD5SUM:=3ae3add6838da3c5a53baa87c9e32924
+endif
+ifeq ($(LINUX_VERSION),2.6.31)
+  LINUX_KERNEL_MD5SUM:=84c077a37684e4cbfa67b18154390d8a
+endif
+
+# disable the md5sum check for unknown kernel versions
+LINUX_KERNEL_MD5SUM?=x
+
+split_version=$(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))))
+KERNEL_PATCHVER=$(call merge_version,$(wordlist 1,3,$(call split_version,$(KERNEL_BASE))))