| 1 | // |
| 2 | // SPDX-License-Identifier: BSD-3-Clause |
| 3 | // Copyright (c) Contributors to the OpenEXR Project. |
| 4 | // |
| 5 | |
| 6 | #ifndef INCLUDED_IMFEXPORT_H |
| 7 | #define INCLUDED_IMFEXPORT_H |
| 8 | |
| 9 | #include "OpenEXRConfig.h" |
| 10 | |
| 11 | /// \addtogroup ExportMacros |
| 12 | /// @{ |
| 13 | |
| 14 | // are we making a DLL under windows (might be msvc or mingw or others) |
| 15 | #if defined(OPENEXR_DLL) |
| 16 | |
| 17 | // when building as a DLL for windows, typical dllexport / import case |
| 18 | // where we need to switch depending on whether we are compiling |
| 19 | // internally or not |
| 20 | # if defined(OPENEXR_EXPORTS) |
| 21 | # define IMF_EXPORT __declspec(dllexport) |
| 22 | |
| 23 | // mingw needs the export when the extern is defined |
| 24 | # if defined(__MINGW32__) |
| 25 | # define IMF_EXPORT_EXTERN_TEMPLATE IMF_EXPORT |
| 26 | # define IMF_EXPORT_TEMPLATE_INSTANCE |
| 27 | // for mingw windows, we need to cause this to export the |
| 28 | // typeinfo tables (but you don't need to have the |
| 29 | // complementary import, because might be a local template too!) |
| 30 | # define IMF_EXPORT_TEMPLATE_TYPE IMF_EXPORT |
| 31 | # else |
| 32 | // for normal msvc, need to export the actual instantiation in |
| 33 | // the cpp code, and none of the others |
| 34 | # define IMF_EXPORT_EXTERN_TEMPLATE |
| 35 | # define IMF_EXPORT_TEMPLATE_INSTANCE IMF_EXPORT |
| 36 | # define IMF_EXPORT_TEMPLATE_TYPE |
| 37 | # endif |
| 38 | |
| 39 | # else // OPENEXR_EXPORTS |
| 40 | # define IMF_EXPORT __declspec(dllimport) |
| 41 | # define IMF_EXPORT_EXTERN_TEMPLATE IMF_EXPORT |
| 42 | # define IMF_EXPORT_TEMPLATE_INSTANCE |
| 43 | # define IMF_EXPORT_TEMPLATE_TYPE |
| 44 | # endif |
| 45 | |
| 46 | // DLLs don't support these types of visibility controls, just leave them as empty |
| 47 | # define IMF_EXPORT_TYPE |
| 48 | # define IMF_EXPORT_ENUM |
| 49 | # define IMF_HIDDEN |
| 50 | |
| 51 | #else // not an OPENEXR_DLL |
| 52 | |
| 53 | // just pass these through from the top level config |
| 54 | # define IMF_EXPORT OPENEXR_EXPORT |
| 55 | # define IMF_HIDDEN OPENEXR_HIDDEN |
| 56 | # define IMF_EXPORT_ENUM OPENEXR_EXPORT_ENUM |
| 57 | # define IMF_EXPORT_TYPE OPENEXR_EXPORT_TYPE |
| 58 | # define IMF_EXPORT_TEMPLATE_TYPE OPENEXR_EXPORT_TEMPLATE_TYPE |
| 59 | # define IMF_EXPORT_EXTERN_TEMPLATE OPENEXR_EXPORT_EXTERN_TEMPLATE |
| 60 | # define IMF_EXPORT_TEMPLATE_INSTANCE OPENEXR_EXPORT_TEMPLATE_INSTANCE |
| 61 | |
| 62 | #endif // OPENEXR_DLL |
| 63 | |
| 64 | /// @} |
| 65 | |
| 66 | #endif // INCLUDED_IMFEXPORT_H |
| 67 | |