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To:     linux-kbuild <linux-kbuild@vger.kernel.org>,
        Masahiro Yamada <yamada.masahiro@socionext.com>
Cc:     LKML <linux-kernel@vger.kernel.org>
From:   Randy Dunlap <rdunlap@infradead.org>
Subject: [PATCH] kbuild: document the KBUILD_KCONFIG env. variable
Message-ID: <70d08f42-27e4-ccc2-00f6-266568123d8c@infradead.org>
Date:   Wed, 4 Jul 2018 19:47:39 -0700
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From: Randy Dunlap <rdunlap@infradead.org>

Add usage info for the Kbuild environment variable KBUILD_KCONFIG.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
---
 Documentation/kbuild/kbuild.txt |    5 +++++
 1 file changed, 5 insertions(+)

--- lnx-418-rc3.orig/Documentation/kbuild/kbuild.txt
+++ lnx-418-rc3/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=...".