#ifndef HEADER_CARES_SETUP_H

#define HEADER_CARES_SETUP_H

/* Copyright (C) 2004 - 2012 by Daniel Stenberg et al

 *

 * Permission to use, copy, modify, and distribute this software and its

 * documentation for any purpose and without fee is hereby granted, provided

 * that the above copyright notice appear in all copies and that both that

 * copyright notice and this permission notice appear in supporting

 * documentation, and that the name of M.I.T. not be used in advertising or

 * publicity pertaining to distribution of the software without specific,

 * written prior permission.  M.I.T. makes no representations about the

 * suitability of this software for any purpose.  It is provided "as is"

 * without express or implied warranty.

 */

/*

 * Define WIN32 when build target is Win32 API

 */

#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)

#define WIN32

#endif

/*

 * Include configuration script results or hand-crafted

 * configuration file for platforms which lack config tool.

 */

#ifdef HAVE_CONFIG_H

#include "ares_config.h"

#else

#ifdef WIN32

#include "config-win32.h"

#endif

#endif /* HAVE_CONFIG_H */

/* ================================================================ */

/* Definition of preprocessor macros/symbols which modify compiler  */

/* behaviour or generated code characteristics must be done here,   */

/* as appropriate, before any system header file is included. It is */

/* also possible to have them defined in the config file included   */

/* before this point. As a result of all this we frown inclusion of */

/* system header files in our config files, avoid this at any cost. */

/* ================================================================ */

/*

 * AIX 4.3 and newer needs _THREAD_SAFE defined to build

 * proper reentrant code. Others may also need it.

 */

#ifdef NEED_THREAD_SAFE

#  ifndef _THREAD_SAFE

#    define _THREAD_SAFE

#  endif

#endif

/*

 * Tru64 needs _REENTRANT set for a few function prototypes and

 * things to appear in the system header files. Unixware needs it

 * to build proper reentrant code. Others may also need it.

 */

#ifdef NEED_REENTRANT

#  ifndef _REENTRANT

#    define _REENTRANT

#  endif

#endif

/* ================================================================ */

/*  If you need to include a system header file for your platform,  */

/*  please, do it beyond the point further indicated in this file.  */

/* ================================================================ */

/*

 * c-ares external interface definitions are also used internally,

 * and might also include required system header files to define them.

 */

#include <ares_build.h>

/*

 * Compile time sanity checks must also be done when building the library.

 */

#include <ares_rules.h>

/* ================================================================= */

/* No system header file shall be included in this file before this  */

/* point. The only allowed ones are those included from ares_build.h */

/* ================================================================= */

/*

 * Include header files for windows builds before redefining anything.

 * Use this preproessor block only to include or exclude windows.h,

 * winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs

 * to any other further and independent block.  Under Cygwin things work

 * just as under linux (e.g. <sys/socket.h>) and the winsock headers should

 * never be included when __CYGWIN__ is defined.  configure script takes

 * care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,

 * neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.

 */

#ifdef HAVE_WINDOWS_H

#  ifndef WIN32_LEAN_AND_MEAN

#    define WIN32_LEAN_AND_MEAN

#  endif

#  include <windows.h>

#  ifdef HAVE_WINSOCK2_H

#    include <winsock2.h>

#    ifdef HAVE_WS2TCPIP_H

#       include <ws2tcpip.h>

#    endif

#  else

#    ifdef HAVE_WINSOCK_H

#      include <winsock.h>

#    endif

#  endif

#endif

/*

 * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else

 * define USE_WINSOCK to 1 if we have and use WINSOCK  API, else

 * undefine USE_WINSOCK.

 */

#undef USE_WINSOCK

#ifdef HAVE_WINSOCK2_H

#  define USE_WINSOCK 2

#else

#  ifdef HAVE_WINSOCK_H

#    define USE_WINSOCK 1

#  endif

#endif

/*

 * Work-arounds for systems without configure support

 */

#ifndef HAVE_CONFIG_H

#if !defined(HAVE_SYS_TIME_H) && !defined(_MSC_VER) && !defined(__WATCOMC__)

#define HAVE_SYS_TIME_H

#endif

#if !defined(HAVE_UNISTD_H) && !defined(_MSC_VER)

#define HAVE_UNISTD_H 1

#endif

#if !defined(HAVE_SYS_UIO_H) && !defined(WIN32) && !defined(MSDOS)

#define HAVE_SYS_UIO_H

#endif

#endif /* HAVE_CONFIG_H */

/*

 * Arg 2 type for gethostname in case it hasn't been defined in config file.

 */

#ifndef GETHOSTNAME_TYPE_ARG2

#  ifdef USE_WINSOCK

#    define GETHOSTNAME_TYPE_ARG2 int

#  else

#    define GETHOSTNAME_TYPE_ARG2 size_t

#  endif

#endif

#ifdef __POCC__

#  include <sys/types.h>

#  include <unistd.h>

#  define ESRCH 3

#endif

/*

 * Android does have the arpa/nameser.h header which is detected by configure

 * but it appears to be empty with recent NDK r7b / r7c, so we undefine here.

 */

#if (defined(ANDROID) || defined(__ANDROID__)) && defined(HAVE_ARPA_NAMESER_H)

#  undef HAVE_ARPA_NAMESER_H

#endif

/*

 * Recent autoconf versions define these symbols in ares_config.h. We don't

 * want them (since they collide with the libcurl ones when we build

 *  --enable-debug) so we undef them again here.

 */

#undef PACKAGE_STRING

#undef PACKAGE_TARNAME

#undef PACKAGE_VERSION

#undef PACKAGE_BUGREPORT

#undef PACKAGE_NAME

#undef VERSION

#undef PACKAGE

/* IPv6 compatibility */

#if !defined(HAVE_AF_INET6)

#if defined(HAVE_PF_INET6)

#define AF_INET6 PF_INET6

#else

#define AF_INET6 AF_MAX+1

#endif

#endif

/*

 * Include macros and defines that should only be processed once.

 */

#ifndef __SETUP_ONCE_H

#include "setup_once.h"

#endif

#endif /* HEADER_CARES_SETUP_H */