FetchDependencies: clear outdated cache vars after deps updates

CMakeModules/FetchDependencies.cmake

@@ -96,6 +96,8 @@ function(download_deps DD_NAME)
   set(DEP_DIR ${DEPENDENCY_UNTAR_DIR}/${DD_ARCHSTR}-${DD_NAME}/${DD_BUILD_NUMBER})
 
   get_cmake_property(cacheVars CACHE_VARIABLES)
+  message(ERROR "^${DEPENDENCY_UNTAR_DIR}/${DD_ARCHSTR}-${DD_NAME}/[0-9]+")
+  message(ERROR "${DEP_DIR}")
   foreach(var ${cacheVars})
     if(("${${var}}" MATCHES "^${DEPENDENCY_UNTAR_DIR}/${DD_ARCHSTR}-${DD_NAME}/[0-9]+") AND
        (NOT ("${${var}}" MATCHES "^${DEP_DIR}")))