Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 86570)
+++ /trunk/Config.kmk	(revision 86571)
@@ -6927,5 +6927,5 @@
   VBOX_QT_MOD = QtCore QtGui QtWidgets QtPrintSupport QtMacExtras $(if $(VBOX_GUI_USE_QGL),QtOpenGL,)
  else if1of ($(KBUILD_TARGET), linux freebsd netbsd openbsd solaris win)
-  VBOX_QT_MOD += Qt5Core Qt5Gui Qt5Widgets Qt5PrintSupport $(if $(VBOX_GUI_USE_QGL),Qt5OpenGL,)
+  VBOX_QT_MOD += Qt5Core Qt5Gui Qt5Widgets Qt5PrintSupport Qt5Help Qt5Network Qt5CLucene Qt5Sql $(if $(VBOX_GUI_USE_QGL),Qt5OpenGL,)
   if1of ($(KBUILD_TARGET), linux freebsd netbsd openbsd solaris)
    VBOX_QT_MOD += Qt5DBus Qt5XcbQpa Qt5X11Extras
Index: /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk	(revision 86570)
+++ /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk	(revision 86571)
@@ -427,5 +427,4 @@
  UICommon_LDFLAGS.darwin += -framework OpenGL
 endif
-
 
 #
@@ -989,4 +988,5 @@
 	src/globals/UIVirtualBoxEventHandler.cpp \
 	src/globals/UIVirtualBoxClientEventHandler.cpp \
+	src/helpbrowser/UIHelpBrowserWidget.cpp \
 	src/logviewer/UIVMLogViewerFilterPanel.cpp \
 	src/logviewer/UIVMLogViewerSearchPanel.cpp \
@@ -1529,4 +1529,5 @@
 UICommon_QT_MODULES.darwin  += MacExtras
 UICommon_QT_MODULES.win     += WinExtras
+UICommon_QT_MODULES         += Help
 ifdef VBOX_GUI_WITH_QTGLFRAMEBUFFER
  UICommon_QT_MODULES += OpenGL