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/*
*
* Copyright (c) 2020 Project CHIP Authors
*
* 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
* This file defines a set of macros for declaring C and C++
* symbol visibility for dynamic shared objects (DSOs) across
* different compilers and operating systems.
*
* See https://gcc.gnu.org/wiki/Visibility for additional information
* regarding GCC.
*
*/
#pragma once
#if defined _WIN32 || defined __CYGWIN__
#define DLL_EXPORT __declspec(dllexport)
#else
#if __GNUC__ >= 4
#define DLL_EXPORT __attribute__((visibility("default")))
#else
#define DLL_EXPORT
#endif
#endif