From a87cd9040504e44a8a92269dba143e46b08dcdb9 Mon Sep 17 00:00:00 2001
From: Dominik Thoennes <dominik.thoennes@fau.de>
Date: Fri, 17 Dec 2021 10:23:01 +0100
Subject: [PATCH] add deprecation warning

---
 CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c1b77656f..1d0585943 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -845,6 +845,7 @@ option (WALBERLA_ENABLE_GUI "This flag builds the graphical user interface, depe
 
 if ( WALBERLA_ENABLE_GUI )
 
+    message( WARNING "The GUI is deprecated and will probably not work correctly." )
     find_package( Qt4 COMPONENTS QtCore QtGui QtOpenGL QtXml REQUIRED )
     set( OpenGL_GL_PREFERENCE LEGACY )
     find_package( OpenGL REQUIRED )
-- 
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