WARNING: Use of EXTRA_CFLAGS is deprecated, please use `ccflags-y instead. #31: FILE: Makefile.kbuild:31: +EXTRA_CFLAGS += -DSOURCE_VERSION="$(REVISION)"

total: 0 errors, 1 warnings, 0 checks, 53 lines checked

Makefile.kbuild has style problems, please review.

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