| // 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. |
| |
| #ifndef PARQUET_UTIL_VISIBILITY_H |
| #define PARQUET_UTIL_VISIBILITY_H |
| |
| #if defined(_WIN32) || defined(__CYGWIN__) |
| #ifdef _MSC_VER |
| #pragma warning(push) |
| // Disable warning for STL types usage in DLL interface |
| // https://web.archive.org/web/20130317015847/http://connect.microsoft.com/VisualStudio/feedback/details/696593/vc-10-vs-2010-basic-string-exports |
| #pragma warning(disable : 4275 4251) |
| // Disable diamond inheritance warnings |
| #pragma warning(disable : 4250) |
| // Disable macro redefinition warnings |
| #pragma warning(disable : 4005) |
| // Disable extern before exported template warnings |
| #pragma warning(disable : 4910) |
| #endif |
| #define PARQUET_EXPORT __declspec(dllexport) |
| #define PARQUET_NO_EXPORT |
| #else // Not Windows |
| #ifndef PARQUET_EXPORT |
| #define PARQUET_EXPORT __attribute__((visibility("default"))) |
| #endif |
| #ifndef PARQUET_NO_EXPORT |
| #define PARQUET_NO_EXPORT __attribute__((visibility("hidden"))) |
| #endif |
| #endif // Non-Windows |
| |
| // gcc and clang disagree about how to handle template visibility when you have |
| // explicit specializations https://llvm.org/bugs/show_bug.cgi?id=24815 |
| |
| #if defined(__clang__) |
| #define PARQUET_EXTERN_TEMPLATE extern template class PARQUET_EXPORT |
| #else |
| #define PARQUET_EXTERN_TEMPLATE extern template class |
| #endif |
| |
| // This is a complicated topic, some reading on it: |
| // http://www.codesynthesis.com/~boris/blog/2010/01/18/dll-export-cxx-templates/ |
| #ifdef _MSC_VER |
| #define PARQUET_TEMPLATE_EXPORT PARQUET_EXPORT |
| #else |
| #define PARQUET_TEMPLATE_EXPORT |
| #endif |
| |
| #endif // PARQUET_UTIL_VISIBILITY_H |
