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export.h
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1//
2// Copyright 2016 Pixar
3//
4// Licensed under the Apache License, Version 2.0 (the "Apache License")
5// with the following modification; you may not use this file except in
6// compliance with the Apache License and the following modification to it:
7// Section 6. Trademarks. is deleted and replaced with:
8//
9// 6. Trademarks. This License does not grant permission to use the trade
10// names, trademarks, service marks, or product names of the Licensor
11// and its affiliates, except as required to comply with Section 4(c) of
12// the License and to reproduce the content of the NOTICE file.
13//
14// You may obtain a copy of the Apache License at
15//
16// http://www.apache.org/licenses/LICENSE-2.0
17//
18// Unless required by applicable law or agreed to in writing, software
19// distributed under the Apache License with the above modification is
20// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21// KIND, either express or implied. See the Apache License for the specific
22// language governing permissions and limitations under the Apache License.
23//
24#ifndef PXR_BASE_ARCH_EXPORT_H
25#define PXR_BASE_ARCH_EXPORT_H
26
156
157#include "pxr/base/arch/defines.h"
158
159#if defined(ARCH_OS_WINDOWS)
160# if defined(ARCH_COMPILER_GCC) && ARCH_COMPILER_GCC_MAJOR >= 4 || defined(ARCH_COMPILER_CLANG)
161# define ARCH_EXPORT __attribute__((dllexport))
162# define ARCH_IMPORT __attribute__((dllimport))
163# define ARCH_HIDDEN
164# define ARCH_EXPORT_TYPE
165# else
166# define ARCH_EXPORT __declspec(dllexport)
167# define ARCH_IMPORT __declspec(dllimport)
168# define ARCH_HIDDEN
169# define ARCH_EXPORT_TYPE
170# endif
171#elif defined(ARCH_COMPILER_GCC) && ARCH_COMPILER_GCC_MAJOR >= 4 || defined(ARCH_COMPILER_CLANG)
172# define ARCH_EXPORT __attribute__((visibility("default")))
173# define ARCH_IMPORT
174# define ARCH_HIDDEN __attribute__((visibility("hidden")))
175# if defined(ARCH_COMPILER_CLANG)
176# define ARCH_EXPORT_TYPE __attribute__((type_visibility("default")))
177# else
178# define ARCH_EXPORT_TYPE __attribute__((visibility("default")))
179# endif
180#else
181# define ARCH_EXPORT
182# define ARCH_IMPORT
183# define ARCH_HIDDEN
184# define ARCH_EXPORT_TYPE
185#endif
186#define ARCH_EXPORT_TEMPLATE(type, ...)
187#define ARCH_IMPORT_TEMPLATE(type, ...) extern template type ARCH_IMPORT __VA_ARGS__
188
189#endif // PXR_BASE_ARCH_EXPORT_H