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kconfig: document Kconfig source file comments 

I saw this type of Kconfig construct on LKML:

config SYMBOOL
	#bool "prompt string"
	default y

and wondered what it does.  Then I wondered if '#' comments are
even documented.  They aren't, so add a little doc for that.

Ah, good.  kconfig says:
arch/x86/Kconfig:2942:warning: config symbol defined without type

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Randy Dunlap 2018-06-22 20:08:21 -07:00 committed by Masahiro Yamada
parent b2d00d7c61
commit bdb60101df
1 changed files with 6 additions and 0 deletions
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6
Documentation/kbuild/kconfig-language.txt
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@ -430,6 +430,12 @@ This sets the config program's title bar if the config program chooses
to use it. It should be placed at the top of the configuration, before any
other statement.
'#' Kconfig source file comment:
An unquoted '#' character anywhere in a source file line indicates
the beginning of a source file comment. The remainder of that line
is a comment.
Kconfig hints
-------------