fixes to allow Xvfb and Xephyr to be built if you build with --disable-xdarwin

configure.ac

@@ -1727,7 +1727,7 @@ if test "$KDRIVE" = yes; then
     KDRIVE_OS_INC='-I$(top_srcdir)/hw/kdrive/linux'
     KDRIVE_INCS="$KDRIVE_PURE_INCS $KDRIVE_OS_INC"
     
-    KDRIVE_CFLAGS="$XSERVER_CFLAGS -DHAVE_KDRIVE_CONFIG_H $TSLIB_CFLAGS"
+    KDRIVE_CFLAGS="$XSERVER_CFLAGS -DHAVE_KDRIVE_CONFIG_H $TSLIB_CFLAGS -fno-common"
 
     # dix os fb mi extension glx (NOTYET) damage shadow xpstubs
     #KDRIVE_PURE_LIBS="$DIX_LIB $OS_LIB $FB_LIB $XEXT_LIB $MIEXT_DAMAGE_LIB \

dix/main.c

@@ -259,7 +259,7 @@ main(int argc, char *argv[], char *envp[])
     /* Quartz support on Mac OS X requires that the Cocoa event loop be in
      * the main thread. This allows the X server main to be called again
      * from another thread. */
-#if defined(__DARWIN__) && defined(DARWIN_WITH_QUARTZ)
+#ifdef DARWIN_WITH_QUARTZ
     DarwinHandleGUI(argc, argv, envp);
 #endif
 

hw/Makefile.am

@@ -22,7 +22,9 @@ if XPRINT
 XPRINT_SUBDIRS = xprint
 endif
 
+if XDARWIN
 DARWIN_SUBDIRS = darwin
+endif
 
 SUBDIRS =			\
 	$(XORG_SUBDIRS)		\

mi/miinitext.c

@@ -672,10 +672,10 @@ InitVisualWrap()
 {
     miResetInitVisuals();
 #ifdef GLXEXT
-#ifndef __DARWIN__
-    GlxWrapInitVisuals(&miInitVisualsProc);
-#else
+#ifdef INXQUARTZ
     DarwinGlxWrapInitVisuals(&miInitVisualsProc);
+#else
+    GlxWrapInitVisuals(&miInitVisualsProc);
 #endif
 #endif
 }