--- src/gui/dialogs/qfiledialog_mac.mm.orig
+++ src/gui/dialogs/qfiledialog_mac.mm
@@ -297,6 +297,7 @@
     CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, (CFStringRef)filename, kCFURLPOSIXPathStyle, isDir);
     CFBooleanRef isHidden;
     Boolean errorOrHidden = false;
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
     if (!CFURLCopyResourcePropertyForKey(url, kCFURLIsHiddenKey, &isHidden, NULL)) {
         errorOrHidden = true;
     } else {
@@ -304,6 +305,7 @@
             errorOrHidden = true;
         CFRelease(isHidden);
     }
+#endif
     CFRelease(url);
     return errorOrHidden;
 #else