Index: kdecore/kapplication.cpp
===================================================================
--- kdecore/kapplication.cpp	(revision 580173)
+++ kdecore/kapplication.cpp	(working copy)
@@ -115,6 +115,7 @@
 #undef Status
 #include <Carbon/Carbon.h>
 #include <qimage.h>
+#include <QProcess>
 #endif
 
 #include <qevent.h>
@@ -523,6 +524,31 @@
     }
   }
 
+#ifdef Q_WS_MAC
+  QString path = ::getenv("PATH");
+  path = "/opt/kde4/bin:/opt/kde4-deps/bin:/opt/qt4/bin:" + path;
+  setenv("PATH", path.toLocal8Bit().constData(), 1);
+
+  QString key, value;
+  QStringList list;                                                                                                                                                             
+
+  QProcess *dbusSession = new QProcess();
+  dbusSession->start("/opt/kde4-deps/bin/start-session-bus.sh", QStringList() << "--kde-mac");
+  dbusSession->waitForStarted();
+  dbusSession->waitForFinished();
+  QTextStream *dbusStream = new QTextStream(dbusSession);
+
+  while (!dbusStream->atEnd())
+  {
+    list = dbusStream->readLine().split("=");
+    key = list.takeFirst();
+    value = list.join("=");
+    setenv(key.toLocal8Bit().constData(), value.toLocal8Bit().constData(), 1);
+  }
+
+  dbusSession->close();
+#endif
+
   parseCommandLine();   
 
   KProcessController::ref();