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31 lines
1.1 KiB
31 lines
1.1 KiB
3 years ago
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#ifndef Py_EXPORTS_H
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#define Py_EXPORTS_H
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#if defined(_WIN32) || defined(__CYGWIN__)
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#define Py_IMPORTED_SYMBOL __declspec(dllimport)
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#define Py_EXPORTED_SYMBOL __declspec(dllexport)
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#define Py_LOCAL_SYMBOL
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#else
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/*
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* If we only ever used gcc >= 5, we could use __has_attribute(visibility)
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* as a cross-platform way to determine if visibility is supported. However,
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* we may still need to support gcc >= 4, as some Ubuntu LTS and Centos versions
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* have 4 < gcc < 5.
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*/
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#ifndef __has_attribute
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#define __has_attribute(x) 0 // Compatibility with non-clang compilers.
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#endif
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#if (defined(__GNUC__) && (__GNUC__ >= 4)) ||\
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(defined(__clang__) && __has_attribute(visibility))
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#define Py_IMPORTED_SYMBOL __attribute__ ((visibility ("default")))
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#define Py_EXPORTED_SYMBOL __attribute__ ((visibility ("default")))
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#define Py_LOCAL_SYMBOL __attribute__ ((visibility ("hidden")))
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#else
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#define Py_IMPORTED_SYMBOL
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#define Py_EXPORTED_SYMBOL
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#define Py_LOCAL_SYMBOL
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#endif
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#endif
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#endif /* Py_EXPORTS_H */
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