Use centralized cmake version

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

CMakeLists.txt

@@ -10,10 +10,14 @@
 ############################################
 
 
-cmake_minimum_required( VERSION 3.5 )
+##### set project version
+
+include( TDEVersion )
+cmake_minimum_required( VERSION ${TDE_CMAKE_MINIMUM_VERSION} )
+tde_set_project_version( )
 
 
-#### general package setup
+##### general package setup
 
 project( libksquirrel )
 
@@ -24,7 +28,7 @@ set(LIBKSQUIRREL_VERSION_STRING
     "${LIBKSQUIRREL_VERSION_MAJOR}.${LIBKSQUIRREL_VERSION_MINOR}.${LIBKSQUIRREL_VERSION_PATCH}")
 
 
-#### include essential cmake modules
+##### include essential cmake modules
 
 include( FindPkgConfig          )
 include( CheckFunctionExists    )
@@ -35,16 +39,11 @@ include( CheckCSourceCompiles   )
 include( CheckCXXSourceCompiles )
 
 
-#### include our cmake modules
+##### include our cmake modules
 
 include( TDEMacros )
 
 
-##### set version number
-
-tde_set_project_version( )
-
-
 ##### setup install paths
 
 include( TDESetupPaths )