/* Define if you have the <alloca.h> header file. */
#undef HAVE_ALLOCA_H
-/* AIX requires this to be the first thing in the file. */
-#ifdef __GNUC__
-# define alloca __builtin_alloca
-#else
-# if HAVE_ALLOCA_H
-# include <alloca.h>
-# else
-# ifdef _AIX
- #pragma alloca
-# else
-# ifndef alloca /* predefined by HP cc +Olibcalls */
+/* Microsoft and Watcom libraries have an alloca function. */
char *alloca ();
-# endif
-# endif
-# endif
-#endif
-
-/* Define if on AIX 3.
- System headers sometimes define this.
- We just want to avoid a redefinition error message. */
-#ifndef _ALL_SOURCE
-/* #undef _ALL_SOURCE */
-#endif
/* Define to empty if the keyword does not work. */
/* #undef const */