diff --git a/include/wx_pb.h b/include/wx_pb.h
new file mode 100644
index 0000000000..a23fb6d357
--- /dev/null
+++ b/include/wx_pb.h
@@ -0,0 +1,13 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx_pb.h
+// Purpose:     Project Builder precompiled header
+// Author:      Gilles Depeyrot
+// Modified by:
+// Created:     22.01.02
+// RCS-ID:      $Id$
+// Copyright:   (c) wxWindows team
+// Licence:     wxWindows license
+///////////////////////////////////////////////////////////////////////////////
+
+#define HAVE_USLEEP 1
+#define HAVE_FCNTL  1