Raise Xorg requirement to 1.20+

No current distribution uses anything older, so let's make things easier
for us to maintain.

5 files changed, 1 insertions, 338 deletions

diff --git a/BUILDING.txt b/BUILDING.txt
index 83a68aee..9b727a6e 100644
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -44,7 +44,7 @@ Build Requirements (Unix)
    * PAM
 
 -- If building Xvnc/libvnc.so:
-   * Xorg server source code, 1.16 or later
+   * Xorg server source code, 1.20 or later
    * All build requirements Xorg imposes (see its documentation)
    * patch
 
diff --git a/unix/xserver116.patch b/unix/xserver116.patch
deleted file mode 100644
index c5b1ac08..00000000
--- a/unix/xserver116.patch
+++ /dev/null
@@ -1,95 +0,0 @@
-diff -up xorg-server-1.16.0/configure.ac.vnc xorg-server-1.16.0/configure.ac
---- xorg-server-1.16.0/configure.ac.vnc	2014-07-17 08:00:51.000000000 +0100
-+++ xorg-server-1.16.0/configure.ac	2014-09-03 10:21:49.506109235 +0100
-@@ -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 +1796,9 @@ if test "x$XVFB" = xyes; then
- 	AC_SUBST([XVFB_SYS_LIBS])
- fi
- 
-+dnl Xvnc DDX
-+AC_SUBST([XVNC_LIBS], ["$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
- 
-@@ -2589,6 +2595,7 @@ 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-1.16.0/hw/Makefile.am.vnc xorg-server-1.16.0/hw/Makefile.am
---- xorg-server-1.16.0/hw/Makefile.am.vnc	2014-04-16 21:24:00.000000000 +0100
-+++ xorg-server-1.16.0/hw/Makefile.am	2014-09-03 10:21:49.507109234 +0100
-@@ -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-1.16.0/os/WaitFor.c.vnc xorg-server-1.16.0/os/WaitFor.c
---- xorg-server-1.16.0/os/WaitFor.c.vnc	2014-02-05 03:08:57.000000000 +0000
-+++ xorg-server-1.16.0/os/WaitFor.c	2014-09-03 10:21:49.508109234 +0100
-@@ -125,6 +125,9 @@ static void DoTimer(OsTimerPtr timer, CA
- static void CheckAllTimers(void);
- static 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 +223,20 @@ 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;
diff --git a/unix/xserver117.patch b/unix/xserver117.patch
deleted file mode 100644
index ed47d6d4..00000000
--- a/unix/xserver117.patch
+++ /dev/null
@@ -1,95 +0,0 @@
-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 +1796,9 @@ if test "x$XVFB" = xyes; then
- 	AC_SUBST([XVFB_SYS_LIBS])
- fi
- 
-+dnl Xvnc DDX
-+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
- 
-@@ -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/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;
diff --git a/unix/xserver118.patch b/unix/xserver118.patch
deleted file mode 100644
index bdc2f91e..00000000
--- a/unix/xserver118.patch
+++ /dev/null
@@ -1,94 +0,0 @@
-diff -ur xorg-server.orig/configure.ac xorg-server/configure.ac
---- xorg-server.orig/configure.ac	2016-04-09 21:28:27.007999965 +0200
-+++ xorg-server/configure.ac	2016-04-09 21:28:57.587999860 +0200
-@@ -74,6 +74,7 @@
- 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])
-@@ -1828,6 +1829,9 @@
- 	AC_SUBST([XVFB_SYS_LIBS])
- fi
- 
-+dnl Xvnc DDX
-+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
- 
-@@ -2653,6 +2659,7 @@
- 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 -ur xorg-server.orig/hw/Makefile.am xorg-server/hw/Makefile.am
---- xorg-server.orig/hw/Makefile.am	2016-04-09 21:28:27.059999965 +0200
-+++ xorg-server/hw/Makefile.am	2016-04-09 21:28:57.587999860 +0200
-@@ -43,6 +43,7 @@
- 	$(KDRIVE_SUBDIRS)	\
- 	$(XQUARTZ_SUBDIRS)	\
--	$(XWAYLAND_SUBDIRS)
-+	$(XWAYLAND_SUBDIRS) \
-+	vnc
- 
- DIST_SUBDIRS = dmx xfree86 vfb xnest xwin xquartz kdrive xwayland
- 
-diff -ur xorg-server.orig/os/WaitFor.c xorg-server/os/WaitFor.c
---- xorg-server.orig/os/WaitFor.c	2016-04-09 21:28:27.071999965 +0200
-+++ xorg-server/os/WaitFor.c	2016-04-09 21:28:57.587999860 +0200
-@@ -125,6 +125,9 @@
- 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 @@
-     INT32 timeout = 0;
-     fd_set clientsReadable;
-     fd_set clientsWritable;
-+    fd_set socketsWritable;
-     int curclient;
-     int selecterr;
-     static int nready;
-@@ -213,6 +217,9 @@
-             XFD_COPYSET(&AllSockets, &LastSelectMask);
-         }
- 
-+        FD_ZERO(&socketsWritable);
-+        vncWriteBlockHandler(&socketsWritable);
-+
-         BlockHandler((void *) &wt, (void *) &LastSelectMask);
-         if (NewOutputPending)
-             FlushAllOutput();
-@@ -224,10 +231,20 @@
-             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;
diff --git a/unix/xserver119.patch b/unix/xserver119.patch
deleted file mode 100644
index e0898df3..00000000
--- a/unix/xserver119.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-diff -up xserver/configure.ac.xserver116-rebased xserver/configure.ac
---- xserver/configure.ac.xserver116-rebased	2016-09-29 13:14:45.595441590 +0200
-+++ xserver/configure.ac	2016-09-29 13:14:45.631442006 +0200
-@@ -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])
-@@ -1863,6 +1864,9 @@ if test "x$XVFB" = xyes; then
- 	AC_SUBST([XVFB_SYS_LIBS])
- fi
- 
-+dnl Xvnc DDX
-+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
- 
-@@ -2691,6 +2697,7 @@ 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.xserver116-rebased xserver/hw/Makefile.am
---- xserver/hw/Makefile.am.xserver116-rebased	2016-09-29 13:14:45.601441659 +0200
-+++ xserver/hw/Makefile.am	2016-09-29 13:14:45.631442006 +0200
-@@ -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
- 
---- xserver/include/os.h~	2016-10-03 09:07:29.000000000 +0200
-+++ xserver/include/os.h	2016-10-03 14:13:00.013654506 +0200
-@@ -621,7 +621,7 @@
- extern _X_EXPORT void
- LogClose(enum ExitCode error);
- extern _X_EXPORT Bool
--LogSetParameter(LogParameter param, int value);
-+LogSetParameter(enum _LogParameter param, int value);
- extern _X_EXPORT void
- LogVWrite(int verb, const char *f, va_list args)
- _X_ATTRIBUTE_PRINTF(2, 0);