Apply patch from ebuild file to fix toString

src/eventloop-integration.cpp

 /*
  *
  *  D-Bus++ - C++ bindings for D-Bus
  *
  *  Copyright (C) 2005-2007  Paolo Durante <shackan@gmail.com>
  *
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 72 matching lines @@
         }
 
         debug_log("leaving dispatcher %p", this);
 }
 
 void BusDispatcher::leave()
 {
         _running = false;
   
         int ret = write(_fdunlock[1],"exit",strlen("exit"));
-        if (ret == -1) throw Error("WriteError:errno", toString(errno).c_str());
-  
+        if (ret == -1) {
+          char buffer[128]; // buffer copied in Error constructor
+          throw Error("PipeError:errno", strerror_r(errno,
+                                                    buffer,
+                                                    sizeof(buffer)));
+        }
         close(_fdunlock[1]);
         close(_fdunlock[0]);
 }
 
 void BusDispatcher::do_iteration()
 {
         dispatch_pending();
         dispatch();
 }
 
@@ skipping 60 matching lines @@
                 flags |= DBUS_WATCH_READABLE;
         if (watch->state() & POLLOUT)
                 flags |= DBUS_WATCH_WRITABLE;
         if (watch->state() & POLLHUP)
                 flags |= DBUS_WATCH_HANGUP;
         if (watch->state() & POLLERR)
                 flags |= DBUS_WATCH_ERROR;
 
         watch->handle(flags);
 }
-