From deabc98b5ef9f0cdde44818fecebd12a4b9ea10d Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Fri, 14 Dec 2012 11:58:39 +0100
Subject: [PATCH] OGS_ADDITIONAL_SUBMODULES_TO_CHECKOUT should not be equal
 'OFF'.

---
 scripts/cmake/SubmoduleSetup.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/cmake/SubmoduleSetup.cmake b/scripts/cmake/SubmoduleSetup.cmake
index 711d973da4b..6e791556cf1 100644
--- a/scripts/cmake/SubmoduleSetup.cmake
+++ b/scripts/cmake/SubmoduleSetup.cmake
@@ -1,5 +1,8 @@
 # This file initializes the required submodules
 OPTION(OGS_ADDITIONAL_SUBMODULES_TO_CHECKOUT "User given submodules which should be checked out by CMake." "")
+IF(NOT OGS_ADDITIONAL_SUBMODULES_TO_CHECKOUT)
+	SET(OGS_ADDITIONAL_SUBMODULES_TO_CHECKOUT "")
+ENDIF()
 SET(REQUIRED_SUBMODULES
 	ThirdParty/quickcheck
 	${OGS_ADDITIONAL_SUBMODULES_TO_CHECKOUT}
-- 
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