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mhd_sys_options.h: use function attribute "used"

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This commit is contained in:
Evgeny Grin (Karlson2k)
2024-05-16 15:27:30 +02:00
parent e031d1d493
commit d454a71f15
1 changed files with 9 additions and 0 deletions
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src/include/mhd_sys_options.h
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@@ -55,6 +55,14 @@
# define MHD_EXPORTED __declspec(dllexport)
#endif
#if defined(HAVE_ATTR_USED) \
&& (defined(PIC) || defined(DLL_EXPORT) || defined(MHD_W32DLL))
/* Used externally, only for functions in shared library */
# define MHD_EXTERN_USED __attribute__((used))
#else
# define MHD_EXTERN_USED /* empty */
#endif
#if defined(_MHD_EXTERN) && defined(BUILDING_MHD_LIB)
# undef _MHD_EXTERN
#endif /* _MHD_EXTERN && BUILDING_MHD_LIB */
@@ -64,6 +72,7 @@
/* Building MHD itself */
# define _MHD_EXTERN \
extern MHD_VISIBILITY_EXTERN MHD_EXPORTED
extern MHD_VISIBILITY_EXTERN MHD_EXPORTED MHD_EXTERN_USED
# else /* ! BUILDING_MHD_LIB */
/* Test or example code, using MHD as a library */
# define _MHD_EXTERN extern