From 114f0a7fcfd676ea8fad1ef714429ffed5e3943c Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Fri, 17 Oct 2014 15:54:24 +0200
Subject: [PATCH] Added CMake version check when custom VTK edition is built.

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

diff --git a/scripts/cmake/ExternalProjectCatalyst.cmake b/scripts/cmake/ExternalProjectCatalyst.cmake
index 7f37f27cc9c..aca692562d7 100644
--- a/scripts/cmake/ExternalProjectCatalyst.cmake
+++ b/scripts/cmake/ExternalProjectCatalyst.cmake
@@ -96,6 +96,9 @@ ELSE()
 ENDIF()
 
 MESSAGE(STATUS "Building ParaView as an external project in the build directory")
+IF(CMAKE_VERSION VERSION_LESS 3.0.0)
+	MESSAGE(FATAL_ERROR "CMake 3.0.0 or higher is required for building VTK / ParaView!")
+ENDIF()
 ExternalProject_Add(Catalyst
 	PREFIX ${CMAKE_BINARY_DIR}/External/catalyst
 	GIT_REPOSITORY ${CATALYST_GIT_URL}
-- 
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