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gmacros: Use G_C_STD_CHECK_VERSION to define C-std dependent items

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Marco Trevisan (Treviño) 2022-09-14 04:44:46 +02:00
parent 633561ada2
commit ff49707501
1 changed files with 12 additions and 13 deletions
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25
glib/gmacros.h
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@ -109,19 +109,19 @@
/* Every compiler that we target supports inlining, but some of them may
* complain about it if we don't say "__inline". If we have C99, or if
* we are using C++, then we can use "inline" directly. Unfortunately
* Visual Studio does not support __STDC_VERSION__, so we need to check
* whether we are on Visual Studio 2013 or earlier to see that we need to
* say "__inline" in C mode.
* we are using C++, then we can use "inline" directly.
* Otherwise, we say "__inline" to avoid the warning.
* Unfortunately Visual Studio does not define __STDC_VERSION__ (if not
* using /std:cXX) so we need to check whether we are on Visual Studio 2013
* or earlier to see whether we need to say "__inline" in C mode.
*/
#define G_CAN_INLINE
#ifndef G_CXX_STD_VERSION
#ifdef G_C_STD_VERSION
# ifdef _MSC_VER
# if (_MSC_VER < 1900)
# define G_INLINE_DEFINE_NEEDED
# endif
# elif !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199900)
# elif !G_C_STD_CHECK_VERSION (99)
# define G_INLINE_DEFINE_NEEDED
# endif
#endif
@ -862,8 +862,8 @@
#ifndef __GI_SCANNER__ /* The static assert macro really confuses the introspection parser */
#define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
#define G_PASTE(identifier1,identifier2) G_PASTE_ARGS (identifier1, identifier2)
#if !defined(G_CXX_STD_VERSION) && defined(__STDC_VERSION__) && \
(__STDC_VERSION__ >= 201112L || g_macro__has_feature(c_static_assert) || g_macro__has_extension(c_static_assert))
#if (G_C_STD_CHECK_VERSION (11) || \
g_macro__has_feature(c_static_assert) || g_macro__has_extension(c_static_assert))
#define G_STATIC_ASSERT(expr) _Static_assert (expr, "Expression evaluates to false")
#elif G_CXX_STD_CHECK_VERSION (11)
#define G_STATIC_ASSERT(expr) static_assert (expr, "Expression evaluates to false")
@ -873,7 +873,7 @@
#else
#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __LINE__)[(expr) ? 1 : -1] G_GNUC_UNUSED
#endif
#endif /* __STDC_VERSION__ */
#endif /* G_C_STD_CHECK_VERSION (11) */
#define G_STATIC_ASSERT_EXPR(expr) ((void) sizeof (char[(expr) ? 1 : -1]))
#endif /* !__GI_SCANNER__ */
@ -887,7 +887,7 @@
/* Provide a string identifying the current function, non-concatenatable */
#if defined (__GNUC__) && defined (G_CXX_STD_VERSION)
#define G_STRFUNC ((const char*) (__PRETTY_FUNCTION__))
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#elif G_C_STD_CHECK_VERSION (99)
#define G_STRFUNC ((const char*) (__func__))
#elif defined (__GNUC__) || (defined(_MSC_VER) && (_MSC_VER > 1300))
#define G_STRFUNC ((const char*) (__FUNCTION__))
@ -1018,8 +1018,7 @@
*
* Since: 2.60
*/
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && \
!defined(G_CXX_STD_VERSION)
#if G_C_STD_CHECK_VERSION (11)
#define G_ALIGNOF(type) _Alignof (type) \
GLIB_AVAILABLE_MACRO_IN_2_60
#else
@ -1082,7 +1081,7 @@
/* Use MSVC specific syntax. */
# define G_NORETURN __declspec (noreturn)
/* Use ISO C11 syntax when the compiler supports it. */
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 201112
#elif G_C_STD_CHECK_VERSION (11)
# define G_NORETURN _Noreturn
#else
# define G_NORETURN /* empty */