diff -ruN wxWidgets-2.9.3-orig/include/wx/defs.h wxWidgets-2.9.3/include/wx/defs.h
--- wxWidgets-2.9.3-orig/include/wx/defs.h	2011-12-14 12:42:11.000000000 -0600
+++ wxWidgets-2.9.3/include/wx/defs.h	2018-04-18 02:12:55.000000000 -0500
@@ -3033,14 +3033,22 @@
 DECLARE_WXCOCOA_OBJC_CLASS(UIEvent);
 DECLARE_WXCOCOA_OBJC_CLASS(NSSet);
 DECLARE_WXCOCOA_OBJC_CLASS(EAGLContext);
+DECLARE_WXCOCOA_OBJC_CLASS(UIWebView);
 
 typedef WX_UIWindow WXWindow;
 typedef WX_UIView WXWidget;
 typedef WX_EAGLContext WXGLContext;
 typedef WX_NSString* WXGLPixelFormat;
+typedef WX_UIWebView OSXWebViewPtr;
 
 #endif
 
+#if wxOSX_USE_COCOA_OR_CARBON
+DECLARE_WXCOCOA_OBJC_CLASS(WebView);
+typedef WX_WebView OSXWebViewPtr;
+#endif
+
+
 #endif /* __WXMAC__ */
 
 #if defined(__WXPALMOS__)
diff -ruN wxWidgets-2.9.3-orig/include/wx/html/webkit.h wxWidgets-2.9.3/include/wx/html/webkit.h
--- wxWidgets-2.9.3-orig/include/wx/html/webkit.h	2011-12-14 12:42:11.000000000 -0600
+++ wxWidgets-2.9.3/include/wx/html/webkit.h	2018-04-18 02:12:55.000000000 -0500
@@ -19,7 +19,6 @@
 #endif
 
 #include "wx/control.h"
-DECLARE_WXCOCOA_OBJC_CLASS(WebView); 
 
 // ----------------------------------------------------------------------------
 // Web Kit Control
@@ -108,7 +107,7 @@
     wxString m_currentURL;
     wxString m_pageTitle;
 
-    WX_WebView m_webView;
+    OSXWebViewPtr m_webView;
 
     // we may use this later to setup our own mouse events,
     // so leave it in for now.
diff -ruN wxWidgets-2.9.3-orig/include/wx/osx/webview_webkit.h wxWidgets-2.9.3/include/wx/osx/webview_webkit.h
--- wxWidgets-2.9.3-orig/include/wx/osx/webview_webkit.h	2011-12-14 12:42:11.000000000 -0600
+++ wxWidgets-2.9.3/include/wx/osx/webview_webkit.h	2018-04-18 02:14:09.000000000 -0500
@@ -21,6 +21,13 @@
 #include "wx/control.h"
 #include "wx/webview.h"
 
+#ifndef __OBJC__
+#ifndef DEFINED_ID
+#define DEFINED_ID 1
+typedef struct objc_object* id;
+#endif
+#endif
+
 // ----------------------------------------------------------------------------
 // Web Kit Control
 // ----------------------------------------------------------------------------
@@ -149,7 +156,7 @@
     wxWindowID m_windowID;
     wxString m_pageTitle;
 
-    struct objc_object *m_webView;
+    OSXWebViewPtr m_webView;
 
     // we may use this later to setup our own mouse events,
     // so leave it in for now.
diff -ruN wxWidgets-2.9.3-orig/include/wx/osx/webviewhistoryitem_webkit.h wxWidgets-2.9.3/include/wx/osx/webviewhistoryitem_webkit.h
--- wxWidgets-2.9.3-orig/include/wx/osx/webviewhistoryitem_webkit.h	2011-12-14 12:42:11.000000000 -0600
+++ wxWidgets-2.9.3/include/wx/osx/webviewhistoryitem_webkit.h	2018-04-18 02:09:07.000000000 -0500
@@ -12,6 +12,13 @@
 
 #include "wx/setup.h"
 
+#ifndef __OBJC__
+#ifndef DEFINED_ID
+#define DEFINED_ID 1
+typedef struct objc_object* id;
+#endif
+#endif
+
 #if wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT && (defined(__WXOSX_COCOA__) \
                                           ||  defined(__WXOSX_CARBON__))
 
@@ -27,7 +34,7 @@
 
 private:
     wxString m_url, m_title;
-    struct objc_object *m_histItem;
+    id m_histItem;
 };
 
 #endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT 
diff -ruN wxWidgets-2.9.3-orig/src/osx/webview_webkit.mm wxWidgets-2.9.3/src/osx/webview_webkit.mm
--- wxWidgets-2.9.3-orig/src/osx/webview_webkit.mm	2011-12-14 12:42:11.000000000 -0600
+++ wxWidgets-2.9.3/src/osx/webview_webkit.mm	2018-04-18 02:12:55.000000000 -0500
@@ -302,7 +302,7 @@
     wxWebViewWebKit* webKitWindow;
 }
 
-- initWithWxWindow: (wxWebViewWebKit*)inWindow;
+- (id)initWithWxWindow: (wxWebViewWebKit*)inWindow;
 
 @end
 
@@ -311,7 +311,7 @@
     wxWebViewWebKit* webKitWindow;
 }
 
-- initWithWxWindow: (wxWebViewWebKit*)inWindow;
+- (id)initWithWxWindow: (wxWebViewWebKit*)inWindow;
 
 @end
 
@@ -432,7 +432,7 @@
     if ( !m_webView )
         return;
 
-    [(WebView*)m_webView goBack];
+    [m_webView goBack];
 }
 
 void wxWebViewWebKit::GoForward()
@@ -440,7 +440,7 @@
     if ( !m_webView )
         return;
 
-    [(WebView*)m_webView goForward];
+    [m_webView goForward];
 }
 
 void wxWebViewWebKit::Reload(wxWebViewReloadFlags flags)
@@ -838,7 +838,7 @@
     if ( !m_webView )
         return;
 
-    [(WebView*)m_webView cut:m_webView];
+    [m_webView cut:m_webView];
 }
 
 void wxWebViewWebKit::Copy()
@@ -846,7 +846,7 @@
     if ( !m_webView )
         return;
 
-    [(WebView*)m_webView copy:m_webView];
+    [m_webView copy:m_webView];
 }
 
 void wxWebViewWebKit::Paste()
@@ -854,7 +854,7 @@
     if ( !m_webView )
         return;
 
-    [(WebView*)m_webView paste:m_webView];
+    [m_webView paste:m_webView];
 }
 
 void wxWebViewWebKit::DeleteSelection()
@@ -862,7 +862,7 @@
     if ( !m_webView )
         return;
 
-    [(WebView*)m_webView deleteSelection];
+    [m_webView deleteSelection];
 }
 
 bool wxWebViewWebKit::HasSelection() const
@@ -998,7 +998,7 @@
 
 @implementation WebViewLoadDelegate
 
-- initWithWxWindow: (wxWebViewWebKit*)inWindow
+- (id)initWithWxWindow: (wxWebViewWebKit*)inWindow
 {
     [super init];
     webKitWindow = inWindow;    // non retained
@@ -1192,7 +1192,7 @@
 
 @implementation WebViewPolicyDelegate
 
-- initWithWxWindow: (wxWebViewWebKit*)inWindow
+- (id)initWithWxWindow: (wxWebViewWebKit*)inWindow
 {
     [super init];
     webKitWindow = inWindow;    // non retained