3 files changed, 36 insertions, 8 deletions
diff --git a/xorg-server/hw/xquartz/X11Application.m b/xorg-server/hw/xquartz/X11Application.m
index 0c3283ed0..1f9b05dd1 100644
--- a/xorg-server/hw/xquartz/X11Application.m
+++ b/xorg-server/hw/xquartz/X11Application.m
@@ -1329,6 +1329,11 @@ untrusted_str(NSEvent *e)
 }
 #endif
 
+extern void
+darwinEvents_lock(void);
+extern void
+darwinEvents_unlock(void);
+
 - (void) sendX11NSEvent:(NSEvent *)e
 {
     NSPoint location = NSZeroPoint;
@@ -1341,18 +1346,15 @@ untrusted_str(NSEvent *e)
     int modifierFlags;
     BOOL isMouseOrTabletEvent, isTabletEvent;
 
-#ifdef HAVE_LIBDISPATCH
-    static dispatch_once_t once_pred;
-    dispatch_once(&once_pred, ^{
-                      tilt = NSZeroPoint;
-                      darwinTabletCurrent = darwinTabletStylus;
-                  });
-#else
     if (!darwinTabletCurrent) {
+        /* Ensure that the event system is initialized */
+        darwinEvents_lock();
+        darwinEvents_unlock();
+        assert(darwinTabletStylus);
+
         tilt = NSZeroPoint;
         darwinTabletCurrent = darwinTabletStylus;
     }
-#endif
 
     isMouseOrTabletEvent = [e type] == NSLeftMouseDown ||
                            [e type] == NSOtherMouseDown ||
@@ -1641,6 +1643,11 @@ handle_mouse:
 
     case NSScrollWheel:
     {
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 1050
+        float deltaX = [e deltaX];
+        float deltaY = [e deltaY];
+        BOOL isContinuous = NO;
+#else
         CGFloat deltaX = [e deltaX];
         CGFloat deltaY = [e deltaY];
         CGEventRef cge = [e CGEvent];
@@ -1662,6 +1669,7 @@ handle_mouse:
             deltaY *= lineHeight / 5.0;
         }
 #endif
+#endif
         
 #if !defined(XPLUGIN_VERSION) || XPLUGIN_VERSION == 0
         /* If we're in the background, we need to send a MotionNotify event
diff --git a/xorg-server/hw/xquartz/console_redirect.c b/xorg-server/hw/xquartz/console_redirect.c
index 1e0e56bad..91d693b67 100644
--- a/xorg-server/hw/xquartz/console_redirect.c
+++ b/xorg-server/hw/xquartz/console_redirect.c
@@ -310,6 +310,20 @@ xq_asl_init(void)
     atexit(redirect_atexit);
 }
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
+#define fls(v) xq_fls(v)
+
+static inline int fls(int value) {
+    unsigned int b, v;
+
+    v = *((unsigned int *)&value);
+
+    for(b=0 ; v ; v >>= 1 , b++);
+
+    return b;
+}
+#endif
+
 int
 xq_asl_log_fd(aslclient asl, aslmsg msg, int level, int fd)
 {
diff --git a/xorg-server/hw/xquartz/quartz.c b/xorg-server/hw/xquartz/quartz.c
index ebaa56785..62a2852b7 100644
--- a/xorg-server/hw/xquartz/quartz.c
+++ b/xorg-server/hw/xquartz/quartz.c
@@ -69,6 +69,12 @@
 #include <rootlessCommon.h>
 #include <Xplugin.h>
 
+/* Work around a bug on Leopard's headers */
+#if defined (__LP64__) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1050 && MAC_OS_X_VERSION_MAX_ALLOWED < 1060
+extern OSErr UpdateSystemActivity(UInt8 activity);
+#define OverallAct 0
+#endif
+
 DevPrivateKeyRec quartzScreenKeyRec;
 int aquaMenuBarHeight = 0;
 QuartzModeProcsPtr quartzProcs = NULL;