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#pragma clang system_header
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#pragma once
#if defined(_WIN32) || defined(__CYGWIN__)
// Windows
# if defined(_MSC_VER)
# pragma warning(disable : 4251)
# else
# pragma GCC diagnostic ignored "-Wattributes"
# endif
# if defined(__cplusplus) && defined(__GNUC__) && !defined(__clang__)
// Use C++ attribute syntax where possible to avoid GCC parser bug
// (https://stackoverflow.com/questions/57993818/gcc-how-to-combine-attribute-dllexport-and-nodiscard-in-a-struct-de)
# define ARROW_DLLEXPORT [[gnu::dllexport]]
# define ARROW_DLLIMPORT [[gnu::dllimport]]
# else
# define ARROW_DLLEXPORT __declspec(dllexport)
# define ARROW_DLLIMPORT __declspec(dllimport)
# endif
// _declspec(dllexport) even when the #included by a non-arrow source
# define ARROW_FORCE_EXPORT ARROW_DLLEXPORT
# ifdef ARROW_STATIC
# define ARROW_EXPORT
# define ARROW_FRIEND_EXPORT
# define ARROW_TEMPLATE_EXPORT
# elif defined(ARROW_EXPORTING)
# define ARROW_EXPORT ARROW_DLLEXPORT
// For some reason [[gnu::dllexport]] doesn't work well with friend declarations
# define ARROW_FRIEND_EXPORT __declspec(dllexport)
# define ARROW_TEMPLATE_EXPORT ARROW_DLLEXPORT
# else
# define ARROW_EXPORT ARROW_DLLIMPORT
# define ARROW_FRIEND_EXPORT __declspec(dllimport)
# define ARROW_TEMPLATE_EXPORT ARROW_DLLIMPORT
# endif
# define ARROW_NO_EXPORT
#else
// Non-Windows
# if defined(__cplusplus) && (defined(__GNUC__) || defined(__clang__))
# ifndef ARROW_EXPORT
# define ARROW_EXPORT [[gnu::visibility("default")]]
# endif
# ifndef ARROW_NO_EXPORT
# define ARROW_NO_EXPORT [[gnu::visibility("hidden")]]
# endif
# else
// Not C++, or not gcc/clang
# ifndef ARROW_EXPORT
# define ARROW_EXPORT
# endif
# ifndef ARROW_NO_EXPORT
# define ARROW_NO_EXPORT
# endif
# endif
# define ARROW_FRIEND_EXPORT
# define ARROW_TEMPLATE_EXPORT
// [[gnu::visibility("default")]] even when #included by a non-arrow source
# define ARROW_FORCE_EXPORT [[gnu::visibility("default")]]
#endif // Non-Windows
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