Fixes for build issues caused by recent restructuring

 * Add typedef for XF86OptionPtr for Xorg < 112
 * Include stddef.h to prevent missing size_t definition errors
 * Workaround for libtool convenience library issue

unix/xserver/hw/vnc/Makefile.am

@@ -31,6 +31,11 @@ Xvnc_SOURCES = xvnc.c \
 	$(top_srcdir)/Xi/stubs.c $(top_srcdir)/mi/miinitext.c \
 	$(top_srcdir)/fb/fbcmap_mi.c buildtime.c
 
+# Xvnc contains no C++ sources so automake doesn't understand that we
+# need to use the C++ compiler to link things. This is the upstream
+# recommendation for coaxing automake.
+nodist_EXTRA_Xvnc_SOURCES = dummy.cxx
+
 Xvnc_CPPFLAGS = $(XVNC_CPPFLAGS) -DTIGERVNC -DNO_MODULE_EXTS \
 	-UHAVE_CONFIG_H \
 	-DXFree86Server -DVENDOR_RELEASE="$(VENDOR_RELEASE)" \
@@ -47,6 +52,9 @@ libvnc_ladir = $(moduledir)/extensions
 
 libvnc_la_SOURCES = vncModule.c
 
+# See Xvnc magic above
+nodist_EXTRA_libvnc_la_SOURCES = dummy.cxx
+
 libvnc_la_CPPFLAGS = $(XVNC_CPPFLAGS) -I$(TIGERVNC_SRCDIR)/common -UHAVE_CONFIG_H \
 	-I$(top_srcdir)/hw/xfree86/common \
 	-I$(top_srcdir)/hw/xfree86/os-support \

unix/xserver/hw/vnc/vncExtInit.h

@@ -20,6 +20,7 @@
 #define __VNCEXTINIT_H__
 
 #include <stdint.h>
+#include <stddef.h>
 #include <sys/select.h>
 
 // Only from C++

unix/xserver/hw/vnc/vncModule.c

@@ -29,6 +29,9 @@
 #endif
 
 #include "xorg-version.h"
+#if XORG <= 111
+typedef pointer XF86OptionPtr;
+#endif
 
 #include "xf86.h"
 #include "xf86Module.h"