Makefile does not need to calculate LINUX_VERSION_CODE. Let's leave it to the preprocessor. This commit changes include/generated/uapi/linux/version.h as follows: Before: #define LINUX_VERSION_CODE 267264 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) After: #define LINUX_VERSION_CODE KERNEL_VERSION(4, 20, 0) #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) The latter is more human-readable in my opinion. Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> --- Makefile | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 437d603..1ebf5ed 100644 --- a/Makefile +++ b/Makefile @@ -1131,8 +1131,7 @@ define filechk_utsrelease.h endef define filechk_version.h - echo \#define LINUX_VERSION_CODE $(shell \ - expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ + echo '#define LINUX_VERSION_CODE KERNEL_VERSION($(VERSION), $(PATCHLEVEL), $(SUBLEVEL))'; \ echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' endef -- 2.7.4
