diff --git a/dub.json b/dub.json
index 4f1f32c..89db254 100755
--- a/dub.json
+++ b/dub.json
@@ -56,9 +56,18 @@
 			"name" : "dynlib-betterC",
 			"targetType" : "dynamicLibrary",
 			"dflags": [
-				"-betterC",
-				"-defaultlib=",
-				"--fvisibility=hidden"
+				"-betterC"
+			],
+			"dflags-ldc": [
+				"--fvisibility=hidden",
+				"-link-defaultlib-shared"
+			],
+			"dflags-gdc": [
+				"-fno-druntime",
+				"-fvisibility=hidden"
+			],
+			"lflags-gdc": [
+				"-lpthread"
 			]
 		},
 		{
@@ -69,8 +78,13 @@
 				"source\/win_dll.d"
 			],
 			"dflags": [
-				"-betterC",
-				"-defaultlib="
+				"-betterC"
+			],
+			"dflags-gdc": [
+				"-fno-druntime"
+			],
+			"lflags-gdc": [
+				"-lpthread"
 			]
 		}
 	]
diff --git a/source/ecs/manager.d b/source/ecs/manager.d
index 52a5c86..375a0e0 100644
--- a/source/ecs/manager.d
+++ b/source/ecs/manager.d
@@ -233,7 +233,7 @@ export struct EntityManager
     /************************************************************************************************************************
     *Default constructor.
     */
-    this(uint threads_count) nothrow @nogc
+    export this(uint threads_count) nothrow @nogc
     {
         if (threads_count == 0)
             threads_count = 1;
@@ -252,7 +252,7 @@ export struct EntityManager
         //event_manager.manager = this;
     }
 
-    ~this() nothrow @nogc
+    export ~this() nothrow @nogc
     {
         id_manager.deinitialize();
         event_manager.destroy();
@@ -2439,7 +2439,7 @@ export struct EntityManager
     */
     struct ComponentInfo
     {
-        nothrow ~this(){}
+        export ~this() nothrow @nogc {}
         ///Component size
         ushort size;
         ///Component data alignment
@@ -2583,7 +2583,7 @@ export struct EntityManager
             return new_info;
         }
 
-        ~this() @nogc nothrow
+        export ~this() @nogc nothrow
         {
             if(components)Mallocator.dispose(components);
             if(deltas)Mallocator.dispose(deltas);
@@ -2738,7 +2738,7 @@ export struct EntityManager
 
     struct SystemCaller
     {
-        ~this() nothrow @nogc
+        export ~this() nothrow @nogc
         {
             if (dependencies)
             {
@@ -2830,7 +2830,7 @@ export struct EntityManager
             uint allocated = 0;
         }
 
-        ~this() nothrow @nogc
+        export ~this() nothrow @nogc
         {
             foreach(block;blocks)
             {