1 // Licensed to the Apache Software Foundation (ASF) under one 2 // or more contributor license agreements. See the NOTICE file 3 // distributed with this work for additional information 4 // regarding copyright ownership. The ASF licenses this file 5 // to you under the Apache License, Version 2.0 (the 6 // "License"); you may not use this file except in compliance 7 // with the License. You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, 12 // software distributed under the License is distributed on an 13 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 14 // KIND, either express or implied. See the License for the 15 // specific language governing permissions and limitations 16 // under the License. 17 18 #pragma once 19 20 #if defined(_WIN32) || defined(__CYGWIN__) 21 #if defined(_MSC_VER) 22 #pragma warning(disable : 4251) 23 #else 24 #pragma GCC diagnostic ignored "-Wattributes" 25 #endif 26 27 #ifdef ARROW_STATIC 28 #define ARROW_EXPORT 29 #elif defined(ARROW_EXPORTING) 30 #define ARROW_EXPORT __declspec(dllexport) 31 #else 32 #define ARROW_EXPORT __declspec(dllimport) 33 #endif 34 35 #define ARROW_NO_EXPORT 36 #define ARROW_FORCE_INLINE __forceinline 37 #else // Not Windows 38 #ifndef ARROW_EXPORT 39 #define ARROW_EXPORT __attribute__((visibility("default"))) 40 #endif 41 #ifndef ARROW_NO_EXPORT 42 #define ARROW_NO_EXPORT __attribute__((visibility("hidden"))) 43 #define ARROW_FORCE_INLINE 44 #endif 45 #endif // Non-Windows 46