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MinGW: Add dllimport/dllexport attributes when compiling with clang

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The GCC compiler will automatically export all symbols on MinGW, but this is not the case for clang.  Add the `__declspec` attributes when compiling with clang on MinGW.
This commit is contained in:
Frederik Carlier 2024-01-12 13:21:20 +01:00
parent a0ce4ab880
commit c1d982a854
1 changed files with 6 additions and 5 deletions
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11
Headers/GNUstepBase/GSVersionMacros.h
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@ -381,9 +381,10 @@ static inline void gs_consumed(id NS_CONSUMED GS_UNUSED_ARG o) { return; }
#if defined(GNUSTEP_WITH_DLL)
#if BUILD_libgnustep_base_DLL
# if defined(__MINGW__)
/* On Mingw, the compiler will export all symbols automatically, so
* __declspec(dllexport) is not needed.
# if defined(__MINGW__) && !defined(__clang__)
/* On Mingw, the GCC compiler will export all symbols automatically, so
* __declspec(dllexport) is not needed. Clang uses the more standard behavior,
* requiring you to add add a dllimport/dllexport attribute.
*/
# define GS_EXPORT_CLASS
# define GS_EXPORT extern
@ -396,8 +397,8 @@ static inline void gs_consumed(id NS_CONSUMED GS_UNUSED_ARG o) { return; }
# define GS_DECLARE __declspec(dllexport)
# endif
#else
# if defined(__MINGW__)
/* MinGW does not need dllimport on ObjC classes and produces warnings. */
# if defined(__MINGW__) && !defined(__clang__)
/* On MinGW, the GCC compiler does not need dllimport on ObjC classes and produces warnings. */
# define GS_EXPORT_CLASS
# else
# define GS_EXPORT_CLASS __declspec(dllimport)