Set cmake minimum version in a centralized place.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

modules/TDECMakeVersion.cmake

@@ -0,0 +1,17 @@
+#################################################
+#
+#  (C) 2024 Michele Calgaro
+#  michele (DOT) calgaro (AT) yahoo (DOT) it
+#
+#  Improvements and feedback are welcome
+#
+#  This file is released under GPL >= 2
+#
+#################################################
+
+# Centralized place where to set the minimum cmake version required in TDE.
+# Need to force CMP0000 policy to OLD for this to work without warnings or errors
+
+cmake_minimum_required( VERSION 3.5 )
+cmake_policy( SET CMP0000 OLD )
+