add front demo in this project

LFtid1056/cloudfront/code/log4cplus/config/macosx.h

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+// -*- C++ -*-
+// Module:  Log4CPLUS
+// File:    config-macosx.h
+// Created: 7/2003
+// Author:  Christopher R. Bailey
+//
+//
+// Copyright 2003-2017 Christopher R. Bailey
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/** @file */
+
+#ifndef LOG4CPLUS_CONFIG_MACOSX_HEADER_
+#define LOG4CPLUS_CONFIG_MACOSX_HEADER_
+
+#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
+#pragma once
+#endif
+
+#if (defined(__APPLE__) || (defined(__MWERKS__) && defined(__MACOS__)))
+
+#define LOG4CPLUS_HAVE_GETTIMEOFDAY 1
+#define socklen_t int
+
+#endif // MACOSX
+#endif // LOG4CPLUS_CONFIG_MACOSX_HEADER_