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Diffstat (limited to 'include/llvm/Config/alloca.h')
| -rw-r--r-- | include/llvm/Config/alloca.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/llvm/Config/alloca.h b/include/llvm/Config/alloca.h new file mode 100644 index 0000000000..f27ef060dc --- /dev/null +++ b/include/llvm/Config/alloca.h @@ -0,0 +1,46 @@ +/* + * Header file: alloc.h + * + * Description: + * This header file includes the infamous alloc.h header file if the + * autoconf system has found it. It hides all of the autoconf details + * from the rest of the application source code. + */ + +#ifndef _CONFIG_ALLOC_H +#define _CONFIG_ALLOC_H + +#include "Config/config.h" + +/* + * This is a modified version of that suggested by the Autoconf manual. + * 1) The #pragma is indented so that pre-ANSI C compilers ignore it. + * 2) If alloca.h cannot be found, then try stdlib.h. Some platforms + * (notably FreeBSD) defined alloca() there. + */ +#ifndef __GNUC__ +# ifdef HAVE_ALLOCA_H +# include <alloca.h> +# else +# ifdef _AIX + # pragma alloca +# else +# ifndef alloca + char * alloca (); +# endif +# endif +# endif +#else +# ifdef HAVE_ALLOCA_H +# include <alloca.h> +# else +# ifdef HAVE_STDLIB_H +# include <stdlib.h> +# else +# error "The function alloca() is required but not found!" +# endif +# endif +#endif + +#endif + |