Commit 83d98d73 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: drop V=0 support 



The top Makefile sets KBUILD_VERBOSE to 0 by default, it looks weird
now because V=1 and V=2 can be OR'ed as V=12. The default should be
empty.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
Reviewed-by: default avatarNicolas Schier <nicolas@fjasle.eu>
parent 6ae4b986

Documentation/kbuild/makefiles.rst

+2 −2
Original line number Diff line number Diff line
@@ -523,7 +523,7 @@ more details, with real examples. 
			$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@

			@$(kecho) '  Kernel: $(boot)/$@ is ready'



	When kbuild is executing with KBUILD_VERBOSE=0, then only a shorthand

	When kbuild is executing with KBUILD_VERBOSE unset, then only a shorthand

	of a command is normally displayed.

	To enable this behaviour for custom commands kbuild requires

	two variables to be set::
@@ -544,7 +544,7 @@ more details, with real examples. 


		  GEN     lib/crc32table.h



	will be displayed with "make KBUILD_VERBOSE=0".

	will be displayed with "make KBUILD_VERBOSE=".



3.12 Command change detection

-----------------------------

Makefile

+2 −5
Original line number Diff line number Diff line
@@ -78,9 +78,6 @@ unexport GREP_OPTIONS 
ifeq ("$(origin V)", "command line")

  KBUILD_VERBOSE = $(V)

endif

ifndef KBUILD_VERBOSE

  KBUILD_VERBOSE = 0

endif



quiet = quiet_

Q = @
@@ -102,7 +99,7 @@ endif 


ifneq ($(findstring s,$(short-opts)),)

quiet=silent_

KBUILD_VERBOSE = 0

override KBUILD_VERBOSE :=

endif



export quiet Q KBUILD_VERBOSE
@@ -1774,7 +1771,7 @@ help: 
		printf "  %-16s - Show all of the above\\n" help-boards; \

		echo '')



	@echo  '  make V=n   [targets] 0: quiet build (default), 1: verbose build'

	@echo  '  make V=n   [targets] 1: verbose build'

	@echo  '                       2: give reason for rebuild of target'

	@echo  '                       V=1 and V=2 can be combined with V=12'

	@echo  '  make O=dir [targets] Locate all output files in "dir", including .config'