| 11b35193 |
1 | /* |
| 2 | * acconfig.h |
| 3 | * input file for autoheader/autoconf/configure: extra stuff for config.h |
| 4 | */ |
| 5 | /* |
| 6 | * This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2, or (at your option) |
| 11 | * any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software Foundation, |
| 20 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 21 | */ |
| 22 | |
| 23 | /* Define if function attributes a la GCC 2.5 and higher are available. */ |
| 24 | #undef HAVE_GNUC25_ATTRIB |
| 25 | |
| 26 | /* Define if constant functions a la GCC 2.5 and higher are available. */ |
| 27 | #undef HAVE_GNUC25_CONST |
| 28 | |
| 29 | /* Define if nonreturning functions a la GCC 2.5 and higher are available. */ |
| 30 | #undef HAVE_GNUC25_NORETURN |
| 31 | |
| 32 | /* Define if printf-format argument lists a la GCC are available. */ |
| 33 | #undef HAVE_GNUC25_PRINTFFORMAT |
| 34 | |
| 35 | @BOTTOM@ |
| 36 | |
| 37 | /* Use the definitions: */ |
| 38 | |
| 620c146d |
39 | #ifdef HAVE_POLL |
| 40 | #include <sys/poll.h> |
| 41 | #else |
| 42 | struct pollfd { int fd; short events; short revents; }; |
| 43 | #define POLLIN 1 |
| 44 | #define POLLPRI 2 |
| 45 | #define POLLOUT 4 |
| 46 | #endif |
| 47 | |
| 11b35193 |
48 | /* GNU C attributes. */ |
| 49 | #ifndef FUNCATTR |
| 50 | #ifdef HAVE_GNUC25_ATTRIB |
| 51 | #define FUNCATTR(x) __attribute__(x) |
| 52 | #else |
| 53 | #define FUNCATTR(x) |
| 54 | #endif |
| 55 | #endif |
| 56 | |
| 57 | /* GNU C printf formats, or null. */ |
| 58 | #ifndef ATTRPRINTF |
| 59 | #ifdef HAVE_GNUC25_PRINTFFORMAT |
| 60 | #define ATTRPRINTF(si,tc) format(printf,si,tc) |
| 61 | #else |
| 62 | #define ATTRPRINTF(si,tc) |
| 63 | #endif |
| 64 | #endif |
| 65 | #ifndef PRINTFFORMAT |
| 66 | #define PRINTFFORMAT(si,tc) FUNCATTR((ATTRPRINTF(si,tc))) |
| 67 | #endif |
| 68 | |
| 69 | /* GNU C nonreturning functions, or null. */ |
| 70 | #ifndef ATTRNORETURN |
| 71 | #ifdef HAVE_GNUC25_NORETURN |
| 72 | #define ATTRNORETURN noreturn |
| 73 | #else |
| 74 | #define ATTRNORETURN |
| 75 | #endif |
| 76 | #endif |
| 77 | #ifndef NONRETURNING |
| 78 | #define NONRETURNING FUNCATTR((ATTRNORETURN)) |
| 79 | #endif |
| 80 | |
| 81 | /* Combination of both the above. */ |
| 82 | #ifndef NONRETURNPRINTFFORMAT |
| 83 | #define NONRETURNPRINTFFORMAT(si,tc) FUNCATTR((ATTRPRINTF(si,tc),ATTRNORETURN)) |
| 84 | #endif |
| 85 | |
| 86 | /* GNU C constant functions, or null. */ |
| 87 | #ifndef ATTRCONST |
| 88 | #ifdef HAVE_GNUC25_CONST |
| 89 | #define ATTRCONST const |
| 90 | #else |
| 91 | #define ATTRCONST |
| 92 | #endif |
| 93 | #endif |
| 94 | #ifndef CONSTANT |
| 95 | #define CONSTANT FUNCATTR((ATTRCONST)) |
| 96 | #endif |
~mdw / adns / blame