+diff --git a/src/VBox/Additions/x11/vboxvideo/Makefile.kmk b/src/VBox/Additions/x11/vboxvideo/Makefile.kmk
+index 592d65e..6cdf46b 100644
+--- a/src/VBox/Additions/x11/vboxvideo/Makefile.kmk
++++ b/src/VBox/Additions/x11/vboxvideo/Makefile.kmk
+@@ -130,7 +130,7 @@ vboxvideo_drv_SOURCES = \
+ #
+ DLLS += vboxvideo_drv_70
+ vboxvideo_drv_70_TEMPLATE = VBOXGUESTR3XORGMOD
+-vboxvideo_drv_70_DEFS = $(vboxvideo_70_DEFS) XORG_VERSION_CURRENT=700000000
++vboxvideo_drv_70_DEFS = $(vboxvideo_70_DEFS) XORG_VERSION_CURRENT=70000000
+ ifeq ($(KBUILD_TARGET),solaris) # don't use .solaris or anything here.
+ vboxvideo_drv_70_CFLAGS += -D_XPG6 -Wno-shadow # Use XPG6 until we have moved the C++ bits into a library.
+ endif
+@@ -147,7 +147,7 @@ vboxvideo_drv_70_SOURCES = $(vboxvideo_drv_SOURCES)
+ DLLS += vboxvideo_drv_71
+ vboxvideo_drv_71_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_71_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_71_DEFS := $(vboxvideo_70_DEFS) XORG_VERSION_CURRENT=700100000
++vboxvideo_drv_71_DEFS := $(vboxvideo_70_DEFS) XORG_VERSION_CURRENT=70100000
+ vboxvideo_drv_71_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.1.0
+@@ -161,7 +161,7 @@ vboxvideo_drv_71_SOURCES = $(vboxvideo_drv_SOURCES)
+ DLLS += vboxvideo_drv_13
+ vboxvideo_drv_13_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_13_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_13_DEFS := $(vboxvideo_13_DEFS) XORG_VERSION_CURRENT=100300000
++vboxvideo_drv_13_DEFS := $(vboxvideo_13_DEFS) XORG_VERSION_CURRENT=10300000
+ vboxvideo_drv_13_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.3.0.0
+@@ -175,7 +175,7 @@ vboxvideo_drv_13_SOURCES = $(vboxvideo_drv_SOURCES) edid.c
+ DLLS += vboxvideo_drv_14
+ vboxvideo_drv_14_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_14_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_14_DEFS := $(vboxvideo_13_DEFS) XORG_VERSION_CURRENT=100400000
++vboxvideo_drv_14_DEFS := $(vboxvideo_13_DEFS) XORG_VERSION_CURRENT=10400000
+ vboxvideo_drv_14_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.4.2
+@@ -189,7 +189,7 @@ vboxvideo_drv_14_SOURCES = $(vboxvideo_drv_13_SOURCES)
+ DLLS += vboxvideo_drv_15
+ vboxvideo_drv_15_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_15_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_15_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=100503000
++vboxvideo_drv_15_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=10503000
+ if1of ($(KBUILD_TARGET), linux solaris)
+ vboxvideo_drv_15_DEFS += \
+ VBOX_DRI_OLD
+@@ -211,7 +211,7 @@ endif
+ DLLS += vboxvideo_drv_16
+ vboxvideo_drv_16_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_16_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_16_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=100600000
++vboxvideo_drv_16_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=10600000
+ if1of ($(KBUILD_TARGET), linux solaris)
+ vboxvideo_drv_16_DEFS += \
+ VBOX_DRI_OLD
+@@ -229,7 +229,7 @@ vboxvideo_drv_16_SOURCES := $(vboxvideo_drv_15_SOURCES)
+ DLLS += vboxvideo_drv_17
+ vboxvideo_drv_17_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_17_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_17_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=100699000
++vboxvideo_drv_17_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=10699000
+ vboxvideo_drv_17_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.7.7
+@@ -247,7 +247,7 @@ endif
+ DLLS += vboxvideo_drv_18
+ vboxvideo_drv_18_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_18_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_18_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=100800000
++vboxvideo_drv_18_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=10800000
+ vboxvideo_drv_18_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.8.0
+@@ -261,7 +261,7 @@ vboxvideo_drv_18_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_19
+ vboxvideo_drv_19_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_19_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_19_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=100900000
++vboxvideo_drv_19_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=10900000
+ vboxvideo_drv_19_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.9.0
+@@ -275,7 +275,7 @@ vboxvideo_drv_19_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_110
+ vboxvideo_drv_110_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_110_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_110_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101000000
++vboxvideo_drv_110_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11000000
+ vboxvideo_drv_110_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.10.0
+@@ -289,7 +289,7 @@ vboxvideo_drv_110_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_111
+ vboxvideo_drv_111_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_111_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_111_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101100000
++vboxvideo_drv_111_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11100000
+ vboxvideo_drv_111_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.11.0
+@@ -303,7 +303,7 @@ vboxvideo_drv_111_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_112
+ vboxvideo_drv_112_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_112_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_112_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101200000
++vboxvideo_drv_112_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11200000
+ vboxvideo_drv_112_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.12.0
+@@ -317,7 +317,7 @@ vboxvideo_drv_112_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_113
+ vboxvideo_drv_113_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_113_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_113_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101300000
++vboxvideo_drv_113_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11300000
+ vboxvideo_drv_113_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.13.0
+@@ -331,7 +331,7 @@ vboxvideo_drv_113_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_114
+ vboxvideo_drv_114_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_114_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_114_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101400000
++vboxvideo_drv_114_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11400000
+ vboxvideo_drv_114_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.14.0
+@@ -345,7 +345,7 @@ vboxvideo_drv_114_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_115
+ vboxvideo_drv_115_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_115_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_115_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101500000
++vboxvideo_drv_115_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11500000
+ vboxvideo_drv_115_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.15.0
+@@ -359,7 +359,7 @@ vboxvideo_drv_115_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_116
+ vboxvideo_drv_116_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_116_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_116_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101600000
++vboxvideo_drv_116_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11600000
+ vboxvideo_drv_116_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.16.0
+@@ -373,7 +373,7 @@ vboxvideo_drv_116_SOURCES := $(vboxvideo_drv_17_SOURCES)
+ DLLS += vboxvideo_drv_117
+ vboxvideo_drv_117_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_117_CFLAGS := $(vboxvideo_drv_70_CFLAGS)
+-vboxvideo_drv_117_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=101700000
++vboxvideo_drv_117_DEFS := $(vboxvideo_15_DEFS) XORG_VERSION_CURRENT=11700000
+ vboxvideo_drv_117_INCS = \
+ $(vboxvideo_xorg_INCS) \
+ $(VBOX_PATH_X11_ROOT)/xorg-server-1.17.1
+@@ -388,7 +388,7 @@ ifdef VBOX_USE_SYSTEM_XORG_HEADERS
+ vboxvideo_drv_system_TEMPLATE = VBOXGUESTR3XORGMOD
+ vboxvideo_drv_system_CFLAGS := \
+ $(vboxvideo_drv_70_CFLAGS) -include xorg-server.h
+- vboxvideo_drv_system_DEFS := $(vboxvideo_15_DEFS)
++ vboxvideo_drv_system_DEFS := $(filter-out _XORG_SERVER_H_ _DIX_CONFIG_H_, $(vboxvideo_15_DEFS))
+ vboxvideo_drv_system_INCS += \
+ $(PATH_ROOT)/src/VBox/Runtime/include \
+ /usr/include/x11 \
+diff --git a/src/VBox/Additions/x11/vboxvideo/vboxvideo.h b/src/VBox/Additions/x11/vboxvideo/vboxvideo.h
+index 381479c..29ff888 100644
+--- a/src/VBox/Additions/x11/vboxvideo/vboxvideo.h
++++ b/src/VBox/Additions/x11/vboxvideo/vboxvideo.h
+@@ -133,8 +133,8 @@ extern void GlxSetVisualConfigs(int nconfigs, __GLXvisualConfig *configs,
+
+ /** Helper to work round different ways of getting the root window in different
+ * server versions. */
+-#if defined(XORG_VERSION_CURRENT) && XORG_VERSION_CURRENT < 700000000 \
+- && XORG_VERSION_CURRENT >= 100900000
++#if defined(XORG_VERSION_CURRENT) && XORG_VERSION_CURRENT < 70000000 \
++ && XORG_VERSION_CURRENT >= 10900000
+ # define ROOT_WINDOW(pScrn) screenInfo.screens[(pScrn)->scrnIndex]->root
+ #else
+ # define ROOT_WINDOW(pScrn) WindowTable[(pScrn)->scrnIndex]