From 5de1fc30663ec4c4477365ebed68d577d59456d3 Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Tue, 18 May 2021 11:29:22 +0200
Subject: [PATCH] [cpm] Fixed config errors in VTK due to OPTIONS scope.

---
 scripts/cmake/Dependencies.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/cmake/Dependencies.cmake b/scripts/cmake/Dependencies.cmake
index 7e0c97866a5..a011bdb33b3 100644
--- a/scripts/cmake/Dependencies.cmake
+++ b/scripts/cmake/Dependencies.cmake
@@ -376,6 +376,10 @@ else()
         list(APPEND VTK_OPTIONS "Module_${comp} ON")
     endforeach()
 
+    # Workaround for configuration error in [vtk]/CMake/vtkGroups.cmake:43
+    set(VTK_Group_Rendering OFF CACHE BOOL "")
+    set(VTK_Group_StandAlone OFF CACHE BOOL "")
+
     CPMAddPackage(
         NAME VTK
         GITHUB_REPOSITORY kitware/vtk
-- 
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