diff --git a/CMakeLists.txt b/CMakeLists.txt
index 09afcf882..06d9f6dd2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -447,3 +447,11 @@ endif()
 if (MAKE_TESTS)
 	add_subdirectory(tests)
 endif()
+
+# useful for debugging CMake issues
+#
+# message(STATUS "print variables")
+# get_cmake_property(_variableNames VARIABLES)
+# foreach(_variableName ${_variableNames})
+#	message(STATUS "${_variableName}=${${_variableName}}")
+# endforeach()