linux-kernel - [RFC PATCH 6/7] kconfig: add basic environments to evaluate C flags in Kconfig

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Date:   Fri,  9 Feb 2018 01:19:11 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-kbuild@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        "Luis R . Rodriguez" <mcgrof@...e.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Ulf Magnusson <ulfalizer@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Pavel Machek <pavel@....cz>, linux-s390@...r.kernel.org,
        Jiri Kosina <jkosina@...e.cz>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH 6/7] kconfig: add basic environments to evaluate C flags in Kconfig

Add minimum environments to start with.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 init/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index 64f9dd2..31fbc6e 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -25,6 +25,14 @@ config CC_VERSION_TEXT
 	  text does not match, silentoldconfig will be invoked because we need
 	  to re-compute compiler capabilities and symbols that depends on them.
 
+config srctree
+	string
+	option env="srctree"
+
+config CC
+	string
+	option env="CC"
+
 config CONSTRUCTORS
 	bool
 	depends on !UML
-- 
2.7.4