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1 | /* |
2 | * acconfig.h |
3 | * input file for autoheader/autoconf/configure: extra stuff for config.h |
4 | */ |
5 | /* |
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6 | * This file is |
7 | * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk> |
8 | * |
9 | * It is part of adns, which is |
10 | * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk> |
11 | * Copyright (C) 1999 Tony Finch <dot@dotat.at> |
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12 | * |
13 | * This program is free software; you can redistribute it and/or modify |
14 | * it under the terms of the GNU General Public License as published by |
15 | * the Free Software Foundation; either version 2, or (at your option) |
16 | * any later version. |
17 | * |
18 | * This program is distributed in the hope that it will be useful, |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
21 | * GNU General Public License for more details. |
22 | * |
23 | * You should have received a copy of the GNU General Public License |
24 | * along with this program; if not, write to the Free Software Foundation, |
25 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
26 | */ |
27 | |
28 | /* Define if function attributes a la GCC 2.5 and higher are available. */ |
29 | #undef HAVE_GNUC25_ATTRIB |
30 | |
31 | /* Define if constant functions a la GCC 2.5 and higher are available. */ |
32 | #undef HAVE_GNUC25_CONST |
33 | |
34 | /* Define if nonreturning functions a la GCC 2.5 and higher are available. */ |
35 | #undef HAVE_GNUC25_NORETURN |
36 | |
37 | /* Define if printf-format argument lists a la GCC are available. */ |
38 | #undef HAVE_GNUC25_PRINTFFORMAT |
39 | |
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40 | /* Define if we want to include rpc/types.h. Crap BSDs put INADDR_LOOPBACK there. */ |
41 | #undef HAVEUSE_RPCTYPES_H |
42 | |
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43 | @BOTTOM@ |
44 | |
45 | /* Use the definitions: */ |
46 | |
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47 | #ifdef HAVE_POLL |
48 | #include <sys/poll.h> |
49 | #else |
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50 | /* kludge it up */ |
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51 | struct pollfd { int fd; short events; short revents; }; |
52 | #define POLLIN 1 |
53 | #define POLLPRI 2 |
54 | #define POLLOUT 4 |
55 | #endif |
56 | |
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57 | /* GNU C attributes. */ |
58 | #ifndef FUNCATTR |
59 | #ifdef HAVE_GNUC25_ATTRIB |
60 | #define FUNCATTR(x) __attribute__(x) |
61 | #else |
62 | #define FUNCATTR(x) |
63 | #endif |
64 | #endif |
65 | |
66 | /* GNU C printf formats, or null. */ |
67 | #ifndef ATTRPRINTF |
68 | #ifdef HAVE_GNUC25_PRINTFFORMAT |
69 | #define ATTRPRINTF(si,tc) format(printf,si,tc) |
70 | #else |
71 | #define ATTRPRINTF(si,tc) |
72 | #endif |
73 | #endif |
74 | #ifndef PRINTFFORMAT |
75 | #define PRINTFFORMAT(si,tc) FUNCATTR((ATTRPRINTF(si,tc))) |
76 | #endif |
77 | |
78 | /* GNU C nonreturning functions, or null. */ |
79 | #ifndef ATTRNORETURN |
80 | #ifdef HAVE_GNUC25_NORETURN |
81 | #define ATTRNORETURN noreturn |
82 | #else |
83 | #define ATTRNORETURN |
84 | #endif |
85 | #endif |
86 | #ifndef NONRETURNING |
87 | #define NONRETURNING FUNCATTR((ATTRNORETURN)) |
88 | #endif |
89 | |
90 | /* Combination of both the above. */ |
91 | #ifndef NONRETURNPRINTFFORMAT |
92 | #define NONRETURNPRINTFFORMAT(si,tc) FUNCATTR((ATTRPRINTF(si,tc),ATTRNORETURN)) |
93 | #endif |
94 | |
95 | /* GNU C constant functions, or null. */ |
96 | #ifndef ATTRCONST |
97 | #ifdef HAVE_GNUC25_CONST |
98 | #define ATTRCONST const |
99 | #else |
100 | #define ATTRCONST |
101 | #endif |
102 | #endif |
103 | #ifndef CONSTANT |
104 | #define CONSTANT FUNCATTR((ATTRCONST)) |
105 | #endif |
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106 | |
107 | #ifdef HAVEUSE_RPCTYPES_H |
108 | #include <rpc/types.h> |
109 | #endif |