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