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Add cc-compat.h - C compiler compat macros for internal use
Holds things such as FLEX_ARRAY and whatnot. Signed-off-by: Andreas Ericsson <ae@op5.se> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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/* | ||
* cc-compat.h - C compiler compat macros for internal use | ||
*/ | ||
#ifndef INCLUDE_compat_h__ | ||
#define INCLUDE_compat_h__ | ||
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/* | ||
* See if our compiler is known to support flexible array members. | ||
*/ | ||
#ifndef FLEX_ARRAY | ||
# if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) | ||
# define FLEX_ARRAY /* empty */ | ||
# elif defined(__GNUC__) | ||
# if (__GNUC__ >= 3) | ||
# define FLEX_ARRAY /* empty */ | ||
# else | ||
# define FLEX_ARRAY 0 /* older GNU extension */ | ||
# endif | ||
# endif | ||
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/* Default to safer but a bit wasteful traditional style */ | ||
# ifndef GIT_FLEX_ARRAY | ||
# define GIT_FLEX_ARRAY 1 | ||
# endif | ||
#endif | ||
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#ifdef __GNUC__ | ||
# define TYPEOF(x) (__typeof__(x)) | ||
#else | ||
# define TYPEOF(x) | ||
#endif | ||
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#endif /* INCLUDE_compat_h__ */ |