LuaAI:

(1) added wesnoth.is_debug_mode();

(2) disabled the LuaAI debug library usage for non-debug launch modes

data/ai/lua/debug.lua

@@ -1,9 +1,14 @@
 --! #textdomain wesnoth
 
-return { -- TODO: Disable the ability to register this library
-	 -- if wesnoth started without -d argument
+return {
+	
 	init = function(ai)
 		
+		if (not wesnoth.is_debug_mode()) then
+			wesnoth.message("LuaAI Error", "The LuaAI debug library is only available in debug mode")
+			return
+		end
+	
 		ai.debug = {}
 	
 		function ai.debug.get_dst_src()
@@ -27,4 +32,5 @@ return { -- TODO: Disable the ability to register this library
 		end
 	
 	end
+	
 }

data/ai/scenarios/scenario-lua-ai.cfg

@@ -257,12 +257,13 @@ local my_ai = { }
 -- data = { ["pers"] = 5, ["stringg"] = "stringg" }
 
 local ai_stdlib = wesnoth.require('ai/lua/stdlib.lua');
-ai_stdlib.init(ai)
+ai_stdlib.init(ai, true)
 
 
 function my_ai:stage_hello()	
 	local debug_utils = wesnoth.require "~add-ons/Wesnoth_Lua_Pack/debug_utils.lua"
-	local mm = ai.get_dst_src()
+	wesnoth.message("dbg mode: " .. tostring(wesnoth.is_debug_mode()))
+	--local mm = ai.get_dst_src()
 	--ai.debug.get_dst_src()
 	--ai.debug.get_enemy_dst_src()
 	debug_utils.dbms(ai,false,"variable",false)

src/scripting/lua.cpp

@@ -1980,6 +1980,17 @@ static int intf_debug(lua_State* L)
 	return 1;
 }
 
+/**
+ * Returns a bool value indicating whether the
+ * game is launched in debug mode
+ * - Ret 1: bool
+ */
+static int intf_is_debug_mode(lua_State *L)
+{
+	lua_pushboolean(L, game_config::debug);
+	return 1;
+}
+
 /**
  * Removes all messages from the chat window.
  */
@@ -3479,6 +3490,7 @@ LuaKernel::LuaKernel(const config &cfg)
 		{ "get_variable",             &intf_get_variable             },
 		{ "get_village_owner",        &intf_get_village_owner        },
 		{ "highlight_hex",            &intf_highlight_hex            },
+		{ "is_debug_mode",            &intf_is_debug_mode            },
 		{ "is_enemy",                 &intf_is_enemy                 },
 		{ "match_location",           &intf_match_location           },
 		{ "match_side",               &intf_match_side               },