Index: head/x11-wm/chamfer/files/patch-src_main.cpp
===================================================================
--- head/x11-wm/chamfer/files/patch-src_main.cpp	(revision 522982)
+++ head/x11-wm/chamfer/files/patch-src_main.cpp	(revision 522983)
@@ -1,11 +1,18 @@
+../src/main.cpp:162:47: error: 'RunCompositor' is an incomplete type
+                Compositor::CompositorInterface *pcompInt = dynamic_cast<Compositor::CompositorInterface *>(pcomp);
+                                                            ^                                               ~~~~~
+../src/main.cpp:109:27: note: forward declaration of 'RunCompositor'
+        void SetCompositor(class RunCompositor *pcomp){
+                                 ^
+
 --- src/main.cpp.orig	2020-01-11 22:22:06 UTC
 +++ src/main.cpp
 @@ -159,7 +159,7 @@ class RunBackend : public Config::BackendConfig{ (publ
  		Config::ContainerInterface &containerInt = SetupContainer<T,U>(pcreateInfo);
  		containerInt.OnSetupContainer();
  
 -		Compositor::CompositorInterface *pcompInt = dynamic_cast<Compositor::CompositorInterface *>(pcomp);
 +		Compositor::CompositorInterface *pcompInt = reinterpret_cast<Compositor::CompositorInterface *>(pcomp);
  
  		WManager::Container::Setup setup;
  		if(containerInt.floatingMode == Config::ContainerInterface::FLOAT_ALWAYS ||