diff options
Diffstat (limited to 'include/ruby/ruby.h')
| -rw-r--r-- | include/ruby/ruby.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h index e8f0d15380..d432f4b1f7 100644 --- a/include/ruby/ruby.h +++ b/include/ruby/ruby.h @@ -73,13 +73,26 @@ extern "C" { #pragma GCC visibility push(default) #endif -#if defined(HAVE_ALLOCA_H) -#include <alloca.h> +/* Make alloca work the best possible way. */ +#ifdef __GNUC__ +# ifndef atarist +# ifndef alloca +# define alloca __builtin_alloca +# endif +# endif /* atarist */ #else +# ifdef HAVE_ALLOCA_H +# include <alloca.h> +# else # ifdef _AIX #pragma alloca -# endif -#endif +# else +# ifndef alloca /* predefined by HP cc +Olibcalls */ +void *alloca(); +# endif +# endif /* AIX */ +# endif /* HAVE_ALLOCA_H */ +#endif /* __GNUC__ */ #if defined HAVE_UINTPTR_T && 0 typedef uintptr_t VALUE; |