summaryrefslogtreecommitdiff
path: root/include/kernel.mk
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@openwrt.org>2011-06-01 18:08:17 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-06-01 18:08:17 +0000
commit9acb81d9af4cef2679f0475bd2b0f18963c795de (patch)
treee3085d0e2eee4790ba1e2f874bbdce8f68bfcbd7 /include/kernel.mk
parent1027d262ef382c196478ab040a4cc33dd36211a2 (diff)
downloadmtk-20170518-9acb81d9af4cef2679f0475bd2b0f18963c795de.zip
mtk-20170518-9acb81d9af4cef2679f0475bd2b0f18963c795de.tar.gz
mtk-20170518-9acb81d9af4cef2679f0475bd2b0f18963c795de.tar.bz2
kernel.mk: add a new helper for comparing kernel versions, which can take 1 - 4 field kernel versions
implement CompareKernelPatchVer using this new helper implement kernel_patchver_{gt,ge,eq,le,lt}, which are more convenient for use with inline $(if) SVN-Revision: 27087
Diffstat (limited to 'include/kernel.mk')
-rw-r--r--include/kernel.mk17
1 files changed, 13 insertions, 4 deletions
diff --git a/include/kernel.mk b/include/kernel.mk
index 5e8df44..e120cef 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -161,11 +161,20 @@ define AutoLoad
add_module "$(1)" "$(2)" "$(3)";
endef
+version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
+kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) ))
+
ifdef DUMP
- CompareKernelPatchVer=0
+ kernel_version_cmp=
else
- define CompareKernelPatchVer
- $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
- endef
+ kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
endif
+CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
+
+kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_le=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_lt=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
+