From 56a77f833bf10694403fad5ced62639300660a99 Mon Sep 17 00:00:00 2001
From: Carles Cufi <carles.cufi@nordicsemi.no>
Date: Thu, 28 Mar 2019 17:51:39 +0100
Subject: [PATCH] doc: Enable undef warnings in Kconfig

When generating the Kconfig reference documentation, enable the warnings
for undefined Kconfig options in order to make sure all references are
met.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
---
 doc/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 611a7a182ae397..50fc57dbd3ee69 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -193,6 +193,7 @@ add_custom_target(
   SOC_DIR=soc/
   SRCARCH=x86
   CMAKE_BINARY_DIR=${CMAKE_BINARY_DIR}
+  KCONFIG_WARN_UNDEF=y
   KCONFIG_TURBO_MODE=${KCONFIG_TURBO_MODE}
   KCONFIG_DOC_MODE=1
   ${PYTHON_EXECUTABLE} scripts/genrest.py Kconfig ${RST_OUT}/doc/reference/kconfig/