| #include "config.h" |
| |
| /* This is a merge of code recommended in the autoconf-2.61 documentation |
| with that recommended in the autoconf-2.13 documentation, with added |
| tweaks to heed C_ALLOCA. */ |
| |
| #if defined HAVE_ALLOCA_H && !defined C_ALLOCA |
| # include <alloca.h> |
| #else |
| # if defined __GNUC__ && !defined C_ALLOCA |
| # if !defined alloca |
| # define alloca __builtin_alloca |
| # endif |
| # else |
| # if defined _AIX |
| /* Indented so that pre-ansi C compilers will ignore it, rather than |
| choke on it. Some versions of AIX require this to be the first |
| thing seen by the compiler except for comments and preprocessor |
| directives. */ |
| #pragma alloca |
| # else |
| # if defined _MSC_VER && !defined C_ALLOCA |
| # include <malloc.h> |
| # define alloca _alloca |
| # else |
| # if !defined alloca |
| # if defined __STDC__ || defined __hpux |
| # if defined HAVE_STDDEF_H |
| # include <stddef.h> |
| # if defined __cplusplus |
| extern "C" void *alloca (size_t); |
| # else |
| extern void *alloca (size_t); |
| # endif |
| # else |
| extern void *alloca (); |
| # endif |
| # else |
| extern char *alloca (); |
| # endif |
| # endif |
| # endif |
| # endif |
| # endif |
| #endif |
