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[binutils.git] / include / alloca-conf.h
blob628a5987e7aff19fedf1bb76051a11a90c8070e1
1 #include "config.h"
3 /* This is a merge of code recommended in the autoconf-2.61 documentation
4 with that recommended in the autoconf-2.13 documentation, with added
5 tweaks to heed C_ALLOCA. */
7 #if defined HAVE_ALLOCA_H && !defined C_ALLOCA
8 # include <alloca.h>
9 #else
10 # if defined __GNUC__ && !defined C_ALLOCA
11 # if !defined alloca
12 # define alloca __builtin_alloca
13 # endif
14 # else
15 # if defined _AIX
16 /* Indented so that pre-ansi C compilers will ignore it, rather than
17 choke on it. Some versions of AIX require this to be the first
18 thing seen by the compiler except for comments and preprocessor
19 directives. */
20 #pragma alloca
21 # else
22 # if defined _MSC_VER && !defined C_ALLOCA
23 # include <malloc.h>
24 # define alloca _alloca
25 # else
26 # if !defined alloca
27 # if defined __STDC__ || defined __hpux
28 # if defined HAVE_STDDEF_H
29 # include <stddef.h>
30 # if defined __cplusplus
31 extern "C" void *alloca (size_t);
32 # else
33 extern void *alloca (size_t);
34 # endif
35 # else
36 extern void *alloca ();
37 # endif
38 # else
39 extern char *alloca ();
40 # endif
41 # endif
42 # endif
43 # endif
44 # endif
45 #endif