Gilad Arnold | 968bf19 | 2015-07-17 00:23:30 -0700 | [diff] [blame] | 1 | #ifndef HEADER_CARES_SETUP_H |
| 2 | #define HEADER_CARES_SETUP_H |
| 3 | |
| 4 | |
| 5 | /* Copyright (C) 2004 - 2009 by Daniel Stenberg et al |
| 6 | * |
| 7 | * Permission to use, copy, modify, and distribute this software and its |
| 8 | * documentation for any purpose and without fee is hereby granted, provided |
| 9 | * that the above copyright notice appear in all copies and that both that |
| 10 | * copyright notice and this permission notice appear in supporting |
| 11 | * documentation, and that the name of M.I.T. not be used in advertising or |
| 12 | * publicity pertaining to distribution of the software without specific, |
| 13 | * written prior permission. M.I.T. makes no representations about the |
| 14 | * suitability of this software for any purpose. It is provided "as is" |
| 15 | * without express or implied warranty. |
| 16 | */ |
| 17 | |
| 18 | /* |
| 19 | * Define WIN32 when build target is Win32 API |
| 20 | */ |
| 21 | |
| 22 | #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32) |
| 23 | #define WIN32 |
| 24 | #endif |
| 25 | |
| 26 | /* |
| 27 | * Include configuration script results or hand-crafted |
| 28 | * configuration file for platforms which lack config tool. |
| 29 | */ |
| 30 | |
| 31 | #ifdef HAVE_CONFIG_H |
| 32 | #include "ares_config.h" |
| 33 | #else |
| 34 | |
| 35 | #ifdef WIN32 |
| 36 | #include "config-win32.h" |
| 37 | #endif |
| 38 | |
| 39 | #endif /* HAVE_CONFIG_H */ |
| 40 | |
| 41 | /* ================================================================ */ |
| 42 | /* Definition of preprocessor macros/symbols which modify compiler */ |
| 43 | /* behaviour or generated code characteristics must be done here, */ |
| 44 | /* as appropriate, before any system header file is included. It is */ |
| 45 | /* also possible to have them defined in the config file included */ |
| 46 | /* before this point. As a result of all this we frown inclusion of */ |
| 47 | /* system header files in our config files, avoid this at any cost. */ |
| 48 | /* ================================================================ */ |
| 49 | |
| 50 | /* |
| 51 | * AIX 4.3 and newer needs _THREAD_SAFE defined to build |
| 52 | * proper reentrant code. Others may also need it. |
| 53 | */ |
| 54 | |
| 55 | #ifdef NEED_THREAD_SAFE |
| 56 | # ifndef _THREAD_SAFE |
| 57 | # define _THREAD_SAFE |
| 58 | # endif |
| 59 | #endif |
| 60 | |
| 61 | /* |
| 62 | * Tru64 needs _REENTRANT set for a few function prototypes and |
| 63 | * things to appear in the system header files. Unixware needs it |
| 64 | * to build proper reentrant code. Others may also need it. |
| 65 | */ |
| 66 | |
| 67 | #ifdef NEED_REENTRANT |
| 68 | # ifndef _REENTRANT |
| 69 | # define _REENTRANT |
| 70 | # endif |
| 71 | #endif |
| 72 | |
| 73 | /* ================================================================ */ |
| 74 | /* If you need to include a system header file for your platform, */ |
| 75 | /* please, do it beyond the point further indicated in this file. */ |
| 76 | /* ================================================================ */ |
| 77 | |
| 78 | /* |
| 79 | * c-ares external interface definitions are also used internally, |
| 80 | * and might also include required system header files to define them. |
| 81 | */ |
| 82 | |
| 83 | #include <ares_build.h> |
| 84 | |
| 85 | /* |
| 86 | * Compile time sanity checks must also be done when building the library. |
| 87 | */ |
| 88 | |
| 89 | #include <ares_rules.h> |
| 90 | |
| 91 | /* ================================================================= */ |
| 92 | /* No system header file shall be included in this file before this */ |
| 93 | /* point. The only allowed ones are those included from ares_build.h */ |
| 94 | /* ================================================================= */ |
| 95 | |
| 96 | /* |
| 97 | * Include header files for windows builds before redefining anything. |
| 98 | * Use this preproessor block only to include or exclude windows.h, |
| 99 | * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs |
| 100 | * to any other further and independent block. Under Cygwin things work |
| 101 | * just as under linux (e.g. <sys/socket.h>) and the winsock headers should |
| 102 | * never be included when __CYGWIN__ is defined. configure script takes |
| 103 | * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H, |
| 104 | * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined. |
| 105 | */ |
| 106 | |
| 107 | #ifdef HAVE_WINDOWS_H |
| 108 | # ifndef WIN32_LEAN_AND_MEAN |
| 109 | # define WIN32_LEAN_AND_MEAN |
| 110 | # endif |
| 111 | # include <windows.h> |
| 112 | # ifdef HAVE_WINSOCK2_H |
| 113 | # include <winsock2.h> |
| 114 | # ifdef HAVE_WS2TCPIP_H |
| 115 | # include <ws2tcpip.h> |
| 116 | # endif |
| 117 | # else |
| 118 | # ifdef HAVE_WINSOCK_H |
| 119 | # include <winsock.h> |
| 120 | # endif |
| 121 | # endif |
| 122 | #endif |
| 123 | |
| 124 | /* |
| 125 | * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else |
| 126 | * define USE_WINSOCK to 1 if we have and use WINSOCK API, else |
| 127 | * undefine USE_WINSOCK. |
| 128 | */ |
| 129 | |
| 130 | #undef USE_WINSOCK |
| 131 | |
| 132 | #ifdef HAVE_WINSOCK2_H |
| 133 | # define USE_WINSOCK 2 |
| 134 | #else |
| 135 | # ifdef HAVE_WINSOCK_H |
| 136 | # define USE_WINSOCK 1 |
| 137 | # endif |
| 138 | #endif |
| 139 | |
| 140 | /* |
| 141 | * Work-arounds for systems without configure support |
| 142 | */ |
| 143 | |
| 144 | #ifndef HAVE_CONFIG_H |
| 145 | |
| 146 | #if !defined(HAVE_SYS_TIME_H) && !defined(_MSC_VER) && !defined(__WATCOMC__) |
| 147 | #define HAVE_SYS_TIME_H |
| 148 | #endif |
| 149 | |
| 150 | #if !defined(HAVE_UNISTD_H) && !defined(_MSC_VER) |
| 151 | #define HAVE_UNISTD_H 1 |
| 152 | #endif |
| 153 | |
| 154 | #if !defined(HAVE_SYS_UIO_H) && !defined(WIN32) && !defined(MSDOS) |
| 155 | #define HAVE_SYS_UIO_H |
| 156 | #endif |
| 157 | |
| 158 | #endif /* HAVE_CONFIG_H */ |
| 159 | |
| 160 | #ifdef __POCC__ |
| 161 | # include <sys/types.h> |
| 162 | # include <unistd.h> |
| 163 | # define ESRCH 3 |
| 164 | #endif |
| 165 | |
| 166 | /* |
| 167 | * Recent autoconf versions define these symbols in ares_config.h. We don't |
| 168 | * want them (since they collide with the libcurl ones when we build |
| 169 | * --enable-debug) so we undef them again here. |
| 170 | */ |
| 171 | |
| 172 | #undef PACKAGE_STRING |
| 173 | #undef PACKAGE_TARNAME |
| 174 | #undef PACKAGE_VERSION |
| 175 | #undef PACKAGE_BUGREPORT |
| 176 | #undef PACKAGE_NAME |
| 177 | #undef VERSION |
| 178 | #undef PACKAGE |
| 179 | |
| 180 | /* IPv6 compatibility */ |
| 181 | #if !defined(HAVE_AF_INET6) |
| 182 | #if defined(HAVE_PF_INET6) |
| 183 | #define AF_INET6 PF_INET6 |
| 184 | #else |
| 185 | #define AF_INET6 AF_MAX+1 |
| 186 | #endif |
| 187 | #endif |
| 188 | |
| 189 | /* |
| 190 | * Include macros and defines that should only be processed once. |
| 191 | */ |
| 192 | |
| 193 | #ifndef __SETUP_ONCE_H |
| 194 | #include "setup_once.h" |
| 195 | #endif |
| 196 | |
| 197 | #endif /* HEADER_CARES_SETUP_H */ |