[CMake] require dynamic-graph-python v4

Author: nim65s

CMakeLists.txt

@@ -46,7 +46,7 @@ ENDIF()
 IF(BUILD_PYTHON_INTERFACE)
   FINDPYTHON()
   STRING(REGEX REPLACE "-" "_" PYTHON_DIR ${CUSTOM_HEADER_DIR})
-  ADD_PROJECT_DEPENDENCY(dynamic-graph-python REQUIRED
+  ADD_PROJECT_DEPENDENCY(dynamic-graph-python 4.0.0 REQUIRED
     PKG_CONFIG_REQUIRES dynamic-graph-python)
   SEARCH_FOR_BOOST_PYTHON(REQUIRED)
 ENDIF(BUILD_PYTHON_INTERFACE)