4 files changed, 29 insertions, 2 deletions
diff --git a/src/video/cocoa/cocoa_v.h b/src/video/cocoa/cocoa_v.h
index 2be0100df..34b931261 100644
--- a/src/video/cocoa/cocoa_v.h
+++ b/src/video/cocoa/cocoa_v.h
@@ -61,11 +61,16 @@ public:
 extern CocoaSubdriver* _cocoa_subdriver;
 
 CocoaSubdriver *QZ_CreateFullscreenSubdriver(int width, int height, int bpp);
+
+#ifdef ENABLE_COCOA_QUICKDRAW
 CocoaSubdriver *QZ_CreateWindowQuickdrawSubdriver(int width, int height, int bpp);
+#endif
 
+#ifdef ENABLE_COCOA_QUARTZ
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 CocoaSubdriver *QZ_CreateWindowQuartzSubdriver(int width, int height, int bpp);
 #endif
+#endif
 
 void QZ_GameSizeChanged();
 
diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm
index db8ef2c5b..90434c5d6 100644
--- a/src/video/cocoa/cocoa_v.mm
+++ b/src/video/cocoa/cocoa_v.mm
@@ -232,6 +232,7 @@ static CocoaSubdriver *QZ_CreateWindowSubdriver(int width, int height, int bpp)
 {
 	CocoaSubdriver *ret;
 
+#ifdef ENABLE_COCOA_QUARTZ
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 	/* The reason for the version mismatch is due to the fact that the 10.4 binary needs to work on 10.5 as well. */
 	if (MacOSVersionIsAtLeast(10, 5, 0)) {
@@ -239,9 +240,25 @@ static CocoaSubdriver *QZ_CreateWindowSubdriver(int width, int height, int bpp)
 		if (ret != NULL) return ret;
 	}
 #endif
+#endif
 
+#ifdef ENABLE_COCOA_QUICKDRAW
 	ret = QZ_CreateWindowQuickdrawSubdriver(width, height, bpp);
 	if (ret != NULL) return ret;
+#endif
+
+#ifdef ENABLE_COCOA_QUARTZ
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+        /*
+	 * If we get here we are running 10.4 or earlier and either openttd was compiled without the quickdraw driver
+	 * or it failed to load for some reason. Fall back to Quartz if possible even though that driver is slower.
+	 */
+        if (MacOSVersionIsAtLeast(10, 4, 0)) {
+                ret = QZ_CreateWindowQuartzSubdriver(width, height, bpp);
+                if (ret != NULL) return ret;
+        }
+#endif
+#endif
 
 	return NULL;
 }
diff --git a/src/video/cocoa/wnd_quartz.mm b/src/video/cocoa/wnd_quartz.mm
index 493e80260..00a8ad9ba 100644
--- a/src/video/cocoa/wnd_quartz.mm
+++ b/src/video/cocoa/wnd_quartz.mm
@@ -7,6 +7,7 @@
  ******************************************************************************/
 
 #ifdef WITH_COCOA
+#ifdef ENABLE_COCOA_QUARTZ
 
 #include <AvailabilityMacros.h>
 
@@ -782,8 +783,8 @@ CocoaSubdriver *QZ_CreateWindowQuartzSubdriver(int width, int height, int bpp)
 {
 	WindowQuartzSubdriver *ret;
 
-	if (!MacOSVersionIsAtLeast(10, 5, 0)) {
-		DEBUG(driver, 0, "The cocoa quartz subdriver requires Mac OS X 10.5 or later.");
+	if (!MacOSVersionIsAtLeast(10, 4, 0)) {
+		DEBUG(driver, 0, "The cocoa quartz subdriver requires Mac OS X 10.4 or later.");
 		return NULL;
 	}
 
@@ -802,5 +803,7 @@ CocoaSubdriver *QZ_CreateWindowQuartzSubdriver(int width, int height, int bpp)
 	return ret;
 }
 
+
 #endif /* MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 */
+#endif /* ENABLE_COCOA_QUARTZ */
 #endif /* WITH_COCOA */
diff --git a/src/video/cocoa/wnd_quickdraw.mm b/src/video/cocoa/wnd_quickdraw.mm
index dc1dc34b2..35d4bae0d 100644
--- a/src/video/cocoa/wnd_quickdraw.mm
+++ b/src/video/cocoa/wnd_quickdraw.mm
@@ -7,6 +7,7 @@
  ******************************************************************************/
 
 #ifdef WITH_COCOA
+#ifdef ENABLE_COCOA_QUICKDRAW
 
 #define MAC_OS_X_VERSION_MIN_REQUIRED    MAC_OS_X_VERSION_10_3
 #define MAC_OS_X_VERSION_MAX_ALLOWED     MAC_OS_X_VERSION_10_3
@@ -817,4 +818,5 @@ CocoaSubdriver *QZ_CreateWindowQuickdrawSubdriver(int width, int height, int bpp
 	return ret;
 }
 
+#endif /* ENABLE_COCOA_QUICKDRAW */
 #endif /* WITH_COCOA */