Updated to build against xorg-x11-server 1.17.x.
diff --git a/unix/xserver117.patch b/unix/xserver117.patch
new file mode 100644
index 0000000..8a21040
--- /dev/null
+++ b/unix/xserver117.patch
@@ -0,0 +1,137 @@
+diff -up xorg-server-1.17.1/configure.ac.vnc xorg-server-1.17.1/configure.ac
+--- xorg-server-1.17.1/configure.ac.vnc 2015-02-10 22:43:52.000000000 +0000
++++ xorg-server-1.17.1/configure.ac 2015-02-13 16:14:05.074515927 +0000
+@@ -74,6 +74,7 @@ dnl forcing an entire recompile.x
+ AC_CONFIG_HEADERS(include/version-config.h)
+
+ AM_PROG_AS
++AC_PROG_CXX
+ AC_PROG_LN_S
+ LT_PREREQ([2.2])
+ LT_INIT([disable-static win32-dll])
+@@ -1795,6 +1796,10 @@ if test "x$XVFB" = xyes; then
+ AC_SUBST([XVFB_SYS_LIBS])
+ fi
+
++dnl Xvnc DDX
++AC_SUBST([XVNC_CPPFLAGS], ["-DHAVE_DIX_CONFIG_H $XSERVER_CFLAGS"])
++AC_SUBST([XVNC_LIBS], ["$FB_LIB $FIXES_LIB $XEXT_LIB $CONFIG_LIB $DBE_LIB $RECORD_LIB $GLX_LIBS $RANDR_LIB $RENDER_LIB $DAMAGE_LIB $DRI3_LIB $PRESENT_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
+
+@@ -1830,6 +1835,8 @@ 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'
+@@ -2059,7 +2066,6 @@ if test "x$XORG" = xyes; then
+ AC_DEFINE(XORG_SERVER, 1, [Building Xorg server])
+ AC_DEFINE(XORGSERVER, 1, [Building Xorg server])
+ AC_DEFINE(XFree86Server, 1, [Building XFree86 server])
+- AC_DEFINE_UNQUOTED(XORG_VERSION_CURRENT, [$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])
+@@ -2599,6 +2605,7 @@ 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 xorg-server-1.17.1/hw/Makefile.am.vnc xorg-server-1.17.1/hw/Makefile.am
+--- xorg-server-1.17.1/hw/Makefile.am.vnc 2014-04-16 21:24:00.000000000 +0100
++++ xorg-server-1.17.1/hw/Makefile.am 2015-02-13 16:14:05.131516821 +0000
+@@ -38,7 +38,8 @@ SUBDIRS = \
+ $(DMX_SUBDIRS) \
+ $(KDRIVE_SUBDIRS) \
+ $(XQUARTZ_SUBDIRS) \
+- $(XWAYLAND_SUBDIRS)
++ $(XWAYLAND_SUBDIRS) \
++ vnc
+
+ DIST_SUBDIRS = dmx xfree86 vfb xnest xwin xquartz kdrive xwayland
+
+diff -up xorg-server-1.17.1/mi/miinitext.c.vnc xorg-server-1.17.1/mi/miinitext.c
+--- xorg-server-1.17.1/mi/miinitext.c.vnc 2015-01-17 23:42:52.000000000 +0000
++++ xorg-server-1.17.1/mi/miinitext.c 2015-02-13 16:14:05.131516821 +0000
+@@ -111,6 +111,10 @@ SOFTWARE.
+ #include "micmap.h"
+ #include "globals.h"
+
++#ifdef TIGERVNC
++extern void vncExtensionInit(INITARGS);
++#endif
++
+ /* The following is only a small first step towards run-time
+ * configurable extensions.
+ */
+@@ -235,6 +239,9 @@ EnableDisableExtensionError(const char *
+
+ /* List of built-in (statically linked) extensions */
+ static const ExtensionModule staticExtensions[] = {
++#ifdef TIGERVNC
++ {vncExtensionInit, "VNC-EXTENSION", NULL},
++#endif
+ {GEExtensionInit, "Generic Event Extension", &noGEExtension},
+ {ShapeExtensionInit, "SHAPE", NULL},
+ #ifdef MITSHM
+diff -up xorg-server-1.17.1/os/WaitFor.c.vnc xorg-server-1.17.1/os/WaitFor.c
+--- xorg-server-1.17.1/os/WaitFor.c.vnc 2015-01-26 18:40:30.000000000 +0000
++++ xorg-server-1.17.1/os/WaitFor.c 2015-02-13 16:14:05.132516837 +0000
+@@ -125,6 +125,9 @@ static void DoTimer(OsTimerPtr timer, CA
+ static void CheckAllTimers(void);
+ static volatile OsTimerPtr timers = NULL;
+
++extern void vncWriteBlockHandler(fd_set *fds);
++extern void vncWriteWakeupHandler(int nfds, fd_set *fds);
++
+ /*****************
+ * WaitForSomething:
+ * Make the server suspend until there is
+@@ -150,6 +153,7 @@ WaitForSomething(int *pClientsReady)
+ INT32 timeout = 0;
+ fd_set clientsReadable;
+ fd_set clientsWritable;
++ fd_set socketsWritable;
+ int curclient;
+ int selecterr;
+ static int nready;
+@@ -212,6 +216,9 @@ WaitForSomething(int *pClientsReady)
+ XFD_COPYSET(&AllSockets, &LastSelectMask);
+ }
+
++ FD_ZERO(&socketsWritable);
++ vncWriteBlockHandler(&socketsWritable);
++
+ BlockHandler((void *) &wt, (void *) &LastSelectMask);
+ if (NewOutputPending)
+ FlushAllOutput();
+@@ -223,10 +230,20 @@ WaitForSomething(int *pClientsReady)
+ i = Select(MaxClients, &LastSelectMask, &clientsWritable, NULL, wt);
+ }
+ else {
+- i = Select(MaxClients, &LastSelectMask, NULL, NULL, wt);
++ if (AnyClientsWriteBlocked)
++ XFD_ORSET(&socketsWritable, &ClientsWriteBlocked, &socketsWritable);
++
++ if (XFD_ANYSET(&socketsWritable)) {
++ i = Select(MaxClients, &LastSelectMask, &socketsWritable, NULL, wt);
++ if (AnyClientsWriteBlocked)
++ XFD_ANDSET(&clientsWritable, &socketsWritable, &ClientsWriteBlocked);
++ } else {
++ i = Select(MaxClients, &LastSelectMask, NULL, NULL, wt);
++ }
+ }
+ selecterr = GetErrno();
+ WakeupHandler(i, (void *) &LastSelectMask);
++ vncWriteWakeupHandler(i, &socketsWritable);
+ if (i <= 0) { /* An error or timeout occurred */
+ if (dispatchException)
+ return 0;