86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#if defined(_WIN32) || defined(__CYGWIN__)
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// Windows
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# if defined(_MSC_VER)
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# pragma warning(disable : 4251)
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# else
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# pragma GCC diagnostic ignored "-Wattributes"
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# endif
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# if defined(__cplusplus) && defined(__GNUC__) && !defined(__clang__)
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// Use C++ attribute syntax where possible to avoid GCC parser bug
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// (https://stackoverflow.com/questions/57993818/gcc-how-to-combine-attribute-dllexport-and-nodiscard-in-a-struct-de)
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# define ARROW_DLLEXPORT [[gnu::dllexport]]
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# define ARROW_DLLIMPORT [[gnu::dllimport]]
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# else
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# define ARROW_DLLEXPORT __declspec(dllexport)
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# define ARROW_DLLIMPORT __declspec(dllimport)
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# endif
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// _declspec(dllexport) even when the #included by a non-arrow source
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# define ARROW_FORCE_EXPORT ARROW_DLLEXPORT
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# ifdef ARROW_STATIC
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# define ARROW_EXPORT
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# define ARROW_FRIEND_EXPORT
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# define ARROW_TEMPLATE_EXPORT
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# elif defined(ARROW_EXPORTING)
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# define ARROW_EXPORT ARROW_DLLEXPORT
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// For some reason [[gnu::dllexport]] doesn't work well with friend declarations
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# define ARROW_FRIEND_EXPORT __declspec(dllexport)
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# define ARROW_TEMPLATE_EXPORT ARROW_DLLEXPORT
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# else
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# define ARROW_EXPORT ARROW_DLLIMPORT
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# define ARROW_FRIEND_EXPORT __declspec(dllimport)
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# define ARROW_TEMPLATE_EXPORT ARROW_DLLIMPORT
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# endif
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# define ARROW_NO_EXPORT
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#else
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// Non-Windows
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# if defined(__cplusplus) && (defined(__GNUC__) || defined(__clang__))
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# ifndef ARROW_EXPORT
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# define ARROW_EXPORT [[gnu::visibility("default")]]
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# endif
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# ifndef ARROW_NO_EXPORT
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# define ARROW_NO_EXPORT [[gnu::visibility("hidden")]]
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# endif
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# else
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// Not C++, or not gcc/clang
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# ifndef ARROW_EXPORT
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# define ARROW_EXPORT
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# endif
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# ifndef ARROW_NO_EXPORT
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# define ARROW_NO_EXPORT
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# endif
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# endif
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# define ARROW_FRIEND_EXPORT
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# define ARROW_TEMPLATE_EXPORT
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// [[gnu::visibility("default")]] even when #included by a non-arrow source
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# define ARROW_FORCE_EXPORT [[gnu::visibility("default")]]
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#endif // Non-Windows
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