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Merge branch 'jc/c99-fam' 

Require C99 style flexible array member support from all platforms.

* jc/c99-fam:
  FLEX_ARRAY: require platforms to support the C99 syntax
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Junio C Hamano 2025-12-28 17:36:16 +09:00
parent 66ce5f8e88 4d75f2aea7
commit c744b2c16a
1 changed files with 2 additions and 31 deletions
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33
git-compat-util.h
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@ -38,37 +38,8 @@ struct strbuf;
DISABLE_WARNING(-Wsign-compare)
#endif

#ifndef FLEX_ARRAY
/*
* See if our compiler is known to support flexible array members.
*/

/*
* Check vendor specific quirks first, before checking the
* __STDC_VERSION__, as vendor compilers can lie and we need to be
* able to work them around. Note that by not defining FLEX_ARRAY
* here, we can fall back to use the "safer but a bit wasteful" one
* later.
*/
#if defined(__SUNPRO_C) && (__SUNPRO_C <= 0x580)
#elif defined(__GNUC__)
# if (__GNUC__ >= 3)
# define FLEX_ARRAY /* empty */
# else
# define FLEX_ARRAY 0 /* older GNU extension */
# endif
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
# define FLEX_ARRAY /* empty */
#endif

/*
* Otherwise, default to safer but a bit wasteful traditional style
*/
#ifndef FLEX_ARRAY
# define FLEX_ARRAY 1
#endif
#endif

#undef FLEX_ARRAY
#define FLEX_ARRAY /* empty - weather balloon to require C99 FAM */

/*
* BUILD_ASSERT_OR_ZERO - assert a build-time dependency, as an expression.