From 00e0793f834cd233240b19532581e3205caaccd9 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@infradead.org>
Date: Wed, 4 Jul 2018 19:47:39 -0700
Subject: kbuild: document the KBUILD_KCONFIG env. variable

Add usage info for the Kbuild environment variable KBUILD_KCONFIG.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
 Documentation/kbuild/kbuild.txt | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'Documentation')

diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 1eb59cba242c..114c7ce7b58d 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -50,6 +50,11 @@ LDFLAGS_MODULE
 --------------------------------------------------
 Additional options used for $(LD) when linking modules.
 
+KBUILD_KCONFIG
+--------------------------------------------------
+Set the top-level Kconfig file to the value of this environment
+variable.  The default name is "Kconfig".
+
 KBUILD_VERBOSE
 --------------------------------------------------
 Set the kbuild verbosity. Can be assigned same values as "V=...".
-- 
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