diff -up xserver/configure.ac.vnc xserver/configure.ac
--- xserver/configure.ac.vnc	2012-08-28 15:01:35.142325880 +0200
+++ xserver/configure.ac	2012-08-28 15:02:06.292300682 +0200
@@ -30,7 +30,6 @@ AC_INIT([xorg-server], 1.12.4, [https://
 RELEASE_DATE="2012-08-27"
 AC_CONFIG_SRCDIR([Makefile.am])
 AM_INIT_AUTOMAKE([foreign dist-bzip2])
-AM_MAINTAINER_MODE
 
 # Require xorg-macros minimum of 1.14 for XORG_COMPILER_BRAND in XORG_DEFAULT_OPTIONS
 m4_ifndef([XORG_MACROS_VERSION],
@@ -72,6 +71,7 @@ dnl forcing an entire recompile.x
 AC_CONFIG_HEADERS(include/version-config.h)
 
 AM_PROG_AS
+AC_PROG_CXX
 AC_PROG_LN_S
 AC_LIBTOOL_WIN32_DLL
 AC_DISABLE_STATIC
@@ -1493,6 +1493,10 @@ if test "x$XVFB" = xyes; then
 	AC_SUBST([XVFB_SYS_LIBS])
 fi
 
+dnl Xvnc DDX
+AC_SUBST([XVNC_CPPFLAGS], ["-DHAVE_DIX_CONFIG_H $XEXT_INC $FB_INC $MI_INC $RENDER_INC $RANDR_INC"])
+AC_SUBST([XVNC_LIBS], ["$FB_LIB $FIXES_LIB $XEXT_LIB $CONFIG_LIB $DBE_LIB $RECORD_LIB $GLX_LIBS $RANDR_LIB $RENDER_LIB $DAMAGE_LIB $MIEXT_SYNC_LIB $MIEXT_DAMAGE_LIB $MIEXT_SHADOW_LIB $XI_LIB $XKB_LIB $XKB_STUB_LIB $COMPOSITE_LIB $MAIN_LIB"])
+AC_SUBST([XVNC_SYS_LIBS], ["$GLX_SYS_LIBS"])
 
 dnl Xnest DDX
 
@@ -1527,6 +1531,8 @@ if test "x$XORG" = xauto; then
 fi
 AC_MSG_RESULT([$XORG])
 
+AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version])
+
 if test "x$XORG" = xyes; then
 	XORG_DDXINCS='-I$(top_srcdir)/hw/xfree86 -I$(top_srcdir)/hw/xfree86/include -I$(top_srcdir)/hw/xfree86/common'
 	XORG_OSINCS='-I$(top_srcdir)/hw/xfree86/os-support -I$(top_srcdir)/hw/xfree86/os-support/bus -I$(top_srcdir)/os'
@@ -1743,7 +1749,6 @@ if test "x$XORG" = xyes; then
 	AC_DEFINE(XORGSERVER, 1, [Building Xorg server])
 	AC_DEFINE(XFree86Server, 1, [Building XFree86 server])
 	AC_DEFINE(XFree86LOADER, 1, [Building loadable XFree86 server])
-	AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$VENDOR_RELEASE], [Current Xorg version])
 	AC_DEFINE(NEED_XF86_TYPES, 1, [Need XFree86 typedefs])
 	AC_DEFINE(NEED_XF86_PROTOTYPES, 1, [Need XFree86 helper functions])
 	AC_DEFINE(__XSERVERNAME__, "Xorg", [Name of X server])
@@ -2209,6 +2214,7 @@ hw/dmx/Makefile
 hw/dmx/man/Makefile
 hw/vfb/Makefile
 hw/vfb/man/Makefile
+hw/vnc/Makefile
 hw/xnest/Makefile
 hw/xnest/man/Makefile
 hw/xwin/Makefile
diff -up xserver/hw/Makefile.am.vnc xserver/hw/Makefile.am
--- xserver/hw/Makefile.am.vnc	2012-08-28 15:01:35.225325813 +0200
+++ xserver/hw/Makefile.am	2012-08-28 15:02:06.292300682 +0200
@@ -33,7 +33,8 @@ SUBDIRS =			\
 	$(XNEST_SUBDIRS)	\
 	$(DMX_SUBDIRS)		\
 	$(KDRIVE_SUBDIRS)	\
-	$(XQUARTZ_SUBDIRS)
+	$(XQUARTZ_SUBDIRS)	\
+	vnc
 
 DIST_SUBDIRS = dmx xfree86 vfb xnest xwin xquartz kdrive
 
diff -up xserver/mi/miinitext.c.vnc xserver/mi/miinitext.c
--- xserver/mi/miinitext.c.vnc	2012-08-28 15:01:35.311325743 +0200
+++ xserver/mi/miinitext.c	2012-08-28 15:02:06.293300681 +0200
@@ -266,6 +266,9 @@ extern void DamageExtensionInit(INITARGS
 extern void CompositeExtensionInit(INITARGS);
 #endif
 extern void GEExtensionInit(INITARGS);
+#ifdef TIGERVNC
+extern void vncExtensionInit(INITARGS);
+#endif
 
 /* The following is only a small first step towards run-time
  * configurable extensions.
@@ -449,6 +452,9 @@ InitExtensions(int argc, char *argv[])
     if (!noXFree86BigfontExtension)
         XFree86BigfontExtensionInit();
 #endif
+#ifdef TIGERVNC
+    vncExtensionInit();
+#endif
 #if !defined(NO_HW_ONLY_EXTS)
 #if defined(XF86VIDMODE)
     if (!noXFree86VidModeExtension)