diff --git a/CMakeLists.txt b/CMakeLists.txt
index 975a259eb756f5d2e33863f99c1736d0cb92284a..4b934063aee84d3fe68643209d3ec47eb0ab1c55 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,6 +75,18 @@ if(COMPILE_QML)
     )
 endif()
 
+#=============================================================================
+# Debug QML
+#
+option(DEBUG_QML "Build QGroundControl with QML debugging/profiling support." FALSE)
+add_feature_info(DEBUG_QML DEBUG_QML "Build QGroundControl with QML debugging/profiling support.")
+if(DEBUG_QML)
+    message(STATUS "To enable the QML debugger/profiler, run with: '-qmljsdebugger=port:1234'")
+    add_definitions(-DQMLJSDEBUGGER)
+    add_definitions(-DQT_DECLARATIVE_DEBUG)
+    add_definitions(-DQT_QML_DEBUG)
+endif()
+
 #=============================================================================
 # GStreamer
 #