#include "wx/log.h"
 #endif
 
-#include "wx/archive.h"
-#include "wx/fileback.h"
-#include "wx/thread.h"
+#if WXWIN_COMPATIBILITY_2_6
+    #include "wx/zipstrm.h"
+#else
+    #include "wx/archive.h"
+#endif
+
+#include "wx/private/fileback.h"
 
 //---------------------------------------------------------------------------
 // wxArchiveFSCacheDataImpl
 
 wxArchiveFSEntry *wxArchiveFSCacheDataImpl::AddToCache(wxArchiveEntry *entry)
 {
-    m_hash[entry->GetName()] = entry;
+    m_hash[entry->GetName(wxPATH_UNIX)] = entry;
     wxArchiveFSEntry *fse = new wxArchiveFSEntry;
     *m_endptr = fse;
     (*m_endptr)->entry = entry;
     {
         AddToCache(entry);
 
-        if (entry->GetName() == name)
+        if (entry->GetName(wxPATH_UNIX) == name)
             return entry;
     }
 
     s->OpenEntry(*entry);
 
     if (s && s->IsOk())
+    {
+#if WXWIN_COMPATIBILITY_2_6
+        if (factory->IsKindOf(CLASSINFO(wxZipClassFactory)))
+            ((wxZipInputStream*)s)->m_allowSeeking = true;
+#endif // WXWIN_COMPATIBILITY_2_6
+
         return new wxFSFile(s,
                             key + right,
                             GetMimeTypeFromExt(location),
                             , entry->GetDateTime()
 #endif // wxUSE_DATETIME
                             );
+    }
 
     delete s;
     return NULL;