60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* src/include/port/win32.h */
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/*
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* We always rely on the WIN32 macro being set by our build system,
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* but _WIN32 is the compiler pre-defined macro. So make sure we define
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* WIN32 whenever _WIN32 is set, to facilitate standalone building.
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*/
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#if defined(_WIN32) && !defined(WIN32)
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#define WIN32
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#endif
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/*
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* Make sure _WIN32_WINNT has the minimum required value.
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* Leave a higher value in place. The minimum requirement is Windows 10.
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*/
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#ifdef _WIN32_WINNT
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#undef _WIN32_WINNT
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#endif
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#define _WIN32_WINNT 0x0A00
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/*
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* We need to prevent <crtdefs.h> from defining a symbol conflicting with
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* our errcode() function. Since it's likely to get included by standard
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* system headers, pre-emptively include it now.
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*/
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#if defined(_MSC_VER) || defined(HAVE_CRTDEFS_H)
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#define errcode __msvc_errcode
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#include <crtdefs.h>
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#undef errcode
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#endif
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/*
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* defines for dynamic linking on Win32 platform
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*/
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/*
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* Variables declared in the core backend and referenced by loadable
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* modules need to be marked "dllimport" in the core build, but
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* "dllexport" when the declaration is read in a loadable module.
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* No special markings should be used when compiling frontend code.
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*/
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#ifndef FRONTEND
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#ifdef BUILDING_DLL
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#define PGDLLIMPORT __declspec (dllexport)
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#else
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#define PGDLLIMPORT __declspec (dllimport)
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#endif
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#endif
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/*
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* Functions exported by a loadable module must be marked "dllexport".
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*
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* While mingw would otherwise fall back to
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* __attribute__((visibility("default"))), that appears to only work as long
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* as no symbols are declared with __declspec(dllexport). But we can end up
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* with some, e.g. plpython's Py_Init.
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*/
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#define PGDLLEXPORT __declspec (dllexport)
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