diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5b47fad33e9c5ddd6040fbd234eb1f37bc67cc35..c01c76555e8cbaecec48997332137690c56bf821 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,6 +64,9 @@ endif()
 #-------------------------#
 # Find external libraries #
 #-------------------------#
+
+#TODO download libraries using ExternalProject_Add() instead of external Bash script
+
 message("Looking for external libraries...")
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})