Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 78263)
+++ /trunk/Config.kmk	(revision 78264)
@@ -7349,5 +7349,4 @@
  TEMPLATE_VBOXCROGLR3HOSTDLL_OBJCFLAGS       = $(TEMPLATE_VBOXR3NP_OBJCFLAGS) -Wno-deprecated-declarations
 else ifeq ($(KBUILD_TARGET),win)
- #   -wd4054: renderspu_wgl.c(281) : warning C4054: 'type cast' : from function pointer 'HWND (__cdecl *)()' to data pointer 'void *'
  #   -wd4055: renderspu.c(1553) : warning C4055: 'type cast' : from data pointer 'const GLvoid *' to function pointer 'PFNVCRSERVER_CLIENT_CALLOUT'
  TEMPLATE_VBOXCROGLR3HOSTDLL_CFLAGS          = $(TEMPLATE_$(TEMPLATE_VBOXCROGLR3HOSTDLL_EXTENDS)_CFLAGS) \
Index: /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/presenter/server_presenter.cpp
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/presenter/server_presenter.cpp	(revision 78263)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/presenter/server_presenter.cpp	(revision 78264)
@@ -225,5 +225,5 @@
     float strY = ((float)dstHeight) / srcHeight;
     bool fScale = (dstWidth != srcWidth || dstHeight != srcHeight);
-    Assert(fScale);
+    Assert(fScale); RT_NOREF(fScale);
 
     /* 'List' contains the destination rectangles to be updated (in pDst coords). */
Index: /trunk/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_shaders.cpp
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_shaders.cpp	(revision 78263)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_shaders.cpp	(revision 78264)
@@ -453,5 +453,5 @@
 
     size_t cchStr = CHECK_STRING_FROM_PTR_UPDATE_NO_RETURN(pState, name);
-    if (RT_UNLIKELY(cchStr == ~(size_t)0 || packet_length != cchStr + 2 * sizeof(CRNetworkPointer)))
+    if (RT_UNLIKELY(cchStr == ~(size_t)0U || packet_length != cchStr + 2 * sizeof(CRNetworkPointer)))
     {
         crError("crUnpackExtendGetAttribLocation: packet_length is corrupt");
@@ -474,5 +474,5 @@
 
     size_t cchStr = CHECK_STRING_FROM_PTR_UPDATE_NO_RETURN(pState, name);
-    if (RT_UNLIKELY(cchStr == ~(size_t)0 || packet_length != cchStr + 2 * sizeof(CRNetworkPointer)))
+    if (RT_UNLIKELY(cchStr == ~(size_t)0U || packet_length != cchStr + 2 * sizeof(CRNetworkPointer)))
     {
         crError("crUnpackExtendGetUniformLocation: packet_length is corrupt");