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add gcc version checks for attribute macros

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@36257 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2013-03-04 10:02:46 +00:00
parent 10d0553bd5
commit c787ce0957
1 changed files with 34 additions and 16 deletions
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48
Headers/GNUstepBase/GSVersionMacros.h
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@ -196,27 +196,30 @@
/* Attribute definitions for attributes which may or may not be supported /* Attribute definitions for attributes which may or may not be supported
* depending on the compiler being used. * depending on the compiler being used.
* NB we currently expect gcc to be version 4 or later.
*
* The definition should be of the form GS_XXX_CONTEXT where XXX is the * The definition should be of the form GS_XXX_CONTEXT where XXX is the
* name of the attribute and CONTEXT is one of FUNC, METH, or IVAR * name of the attribute and CONTEXT is one of FUNC, METH, or IVAR
* depending on where the attribute can be applied. * depending on where the attribute can be applied.
*/ */
#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) #if __GNUC__*10+__GNUC_MINOR__ >= 31
# define GS_DEPRECATED_FUNC __attribute__ ((deprecated)) # define GS_DEPRECATED_FUNC __attribute__ ((deprecated))
#else #else
# define GS_DEPRECATED_FUNC # define GS_DEPRECATED_FUNC
#endif #endif
#ifdef __clang__ /* FIXME .... not clang specific */ #define GS_UNUSED_ARG __attribute__((unused))
#define GS_UNUSED_FUNC __attribute__((unused))
// FIXME ... what version of gcc?
#if __clang__
# define GS_UNUSED_IVAR __attribute__((unused)) # define GS_UNUSED_IVAR __attribute__((unused))
#else #else
# define GS_UNUSED_IVAR # define GS_UNUSED_IVAR
#endif #endif
#define GS_UNUSED_ARG __attribute__((unused))
#define GS_UNUSED_FUNC __attribute__((unused))
#ifndef __has_feature #ifndef __has_feature
@ -320,6 +323,17 @@ static inline void gs_consumed(id NS_CONSUMED GS_UNUSED_ARG o) { return; }
# endif # endif
#endif #endif
/* Attribute definition for root classes, annotates the interface declaration
* of the class.
*/
#ifndef GS_ROOT_CLASS
# if GS_HAVE_OBJC_ROOT_CLASS_ATTR || __has_feature(attribute_objc_root_class)
# define GS_ROOT_CLASS __attribute__((objc_root_class))
# else
# define GS_ROOT_CLASS
# endif
#endif
#if defined(GNUSTEP_WITH_DLL) #if defined(GNUSTEP_WITH_DLL)
@ -349,18 +363,22 @@ static inline void gs_consumed(id NS_CONSUMED GS_UNUSED_ARG o) { return; }
#endif #endif
/* /* Attribute macros compatible with Apple.
* Attribute definition for root classes, annotates the interface declaration of
* the class.
*/ */
#ifndef GS_ROOT_CLASS
# if GS_HAVE_OBJC_ROOT_CLASS_ATTR || __has_feature(attribute_objc_root_class) #if __GNUC__*10+__GNUC_MINOR__ >= 42
# define GS_ROOT_CLASS __attribute__((objc_root_class)) # define NS_FORMAT_ARGUMENT(A) __attribute__((format_arg(A)))
# else #else
# define GS_ROOT_CLASS # define NS_FORMAT_ARGUMENT(F,A)
# endif #endif
#if __GNUC__*10+__GNUC_MINOR__ >= 42
# define NS_FORMAT_FUNCTION(F,A) __attribute__((format(__NSString__, F, A)))
#else
# define NS_FORMAT_FUNCTION(F,A)
#endif #endif
#define NS_REQUIRES_NIL_TERMINATION __attribute__((sentinel)) #define NS_REQUIRES_NIL_TERMINATION __attribute__((sentinel))
#endif /* __GNUSTEP_GSVERSIONMACROS_H_INCLUDED_ */ #endif /* __GNUSTEP_GSVERSIONMACROS_H_INCLUDED_ */