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kbuild: rename KBUILD_ENABLE_EXTRA_GCC_CHECKS to KBUILD_EXTRA_WARN

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KBUILD_ENABLE_EXTRA_GCC_CHECKS started as a switch to add extra warning
options for GCC, but now it is a historical misnomer since we use it
also for Clang, DTC, and even kernel-doc.

Rename it to more sensible, shorter KBUILD_EXTRA_WARN.

For the backward compatibility, KBUILD_ENABLE_EXTRA_GCC_CHECKS is still
supported (but not advertised in the documentation).

I also fixed up 'make help', and updated the documentation.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Sedat Dilek <sedat.dilek@gmail.com>
This commit is contained in:
Masahiro Yamada
2019-09-01 01:25:55 +09:00
parent 64a91907c8
commit e27128db62
6 changed files with 23 additions and 14 deletions
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2
scripts/Makefile.build
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@@ -85,7 +85,7 @@ else ifeq ($(KBUILD_CHECKSRC),2)
cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $<
endif
ifneq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
ifneq ($(KBUILD_EXTRA_WARN),)
cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $<
endif