222 lines
5.8 KiB
C
222 lines
5.8 KiB
C
#ifndef HEADER_CARES_SETUP_H
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#define HEADER_CARES_SETUP_H
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/* Copyright (C) 2004 - 2012 by Daniel Stenberg et al
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of M.I.T. not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. M.I.T. makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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/*
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* Define WIN32 when build target is Win32 API
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*/
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#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
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#define WIN32
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#endif
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/*
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* Include configuration script results or hand-crafted
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* configuration file for platforms which lack config tool.
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*/
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#ifdef HAVE_CONFIG_H
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#include "ares_config.h"
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#else
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#ifdef WIN32
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#include "config-win32.h"
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#endif
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#endif /* HAVE_CONFIG_H */
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#ifdef AMIGA
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#include "config-amiga.h"
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#endif
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/* ================================================================ */
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/* Definition of preprocessor macros/symbols which modify compiler */
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/* behaviour or generated code characteristics must be done here, */
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/* as appropriate, before any system header file is included. It is */
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/* also possible to have them defined in the config file included */
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/* before this point. As a result of all this we frown inclusion of */
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/* system header files in our config files, avoid this at any cost. */
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/* ================================================================ */
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/*
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* AIX 4.3 and newer needs _THREAD_SAFE defined to build
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* proper reentrant code. Others may also need it.
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*/
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#ifdef NEED_THREAD_SAFE
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# ifndef _THREAD_SAFE
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# define _THREAD_SAFE
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# endif
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#endif
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/*
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* Tru64 needs _REENTRANT set for a few function prototypes and
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* things to appear in the system header files. Unixware needs it
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* to build proper reentrant code. Others may also need it.
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*/
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#ifdef NEED_REENTRANT
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# ifndef _REENTRANT
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# define _REENTRANT
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# endif
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#endif
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/* ================================================================ */
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/* If you need to include a system header file for your platform, */
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/* please, do it beyond the point further indicated in this file. */
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/* ================================================================ */
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/*
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* c-ares external interface definitions are also used internally,
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* and might also include required system header files to define them.
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*/
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#include <ares_build.h>
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/*
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* Compile time sanity checks must also be done when building the library.
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*/
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#include <ares_rules.h>
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/* ================================================================= */
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/* No system header file shall be included in this file before this */
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/* point. The only allowed ones are those included from ares_build.h */
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/* ================================================================= */
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/*
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* Include header files for windows builds before redefining anything.
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* Use this preproessor block only to include or exclude windows.h,
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* winsock2.h, ws2tcpip.h or winsock.h. Any other windows thing belongs
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* to any other further and independent block. Under Cygwin things work
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* just as under linux (e.g. <sys/socket.h>) and the winsock headers should
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* never be included when __CYGWIN__ is defined. configure script takes
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* care of this, not defining HAVE_WINDOWS_H, HAVE_WINSOCK_H, HAVE_WINSOCK2_H,
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* neither HAVE_WS2TCPIP_H when __CYGWIN__ is defined.
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*/
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#ifdef HAVE_WINDOWS_H
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# ifndef WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN
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# endif
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# include <windows.h>
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# ifdef HAVE_WINSOCK2_H
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# include <winsock2.h>
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# ifdef HAVE_WS2TCPIP_H
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# include <ws2tcpip.h>
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# endif
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# else
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# ifdef HAVE_WINSOCK_H
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# include <winsock.h>
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# endif
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# endif
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#endif
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/*
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* Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
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* define USE_WINSOCK to 1 if we have and use WINSOCK API, else
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* undefine USE_WINSOCK.
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*/
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#undef USE_WINSOCK
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#ifdef HAVE_WINSOCK2_H
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# define USE_WINSOCK 2
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#else
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# ifdef HAVE_WINSOCK_H
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# define USE_WINSOCK 1
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# endif
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#endif
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/*
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* Work-arounds for systems without configure support
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*/
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#ifndef HAVE_CONFIG_H
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#if !defined(HAVE_SYS_TIME_H) && !defined(_MSC_VER) && !defined(__WATCOMC__)
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#define HAVE_SYS_TIME_H
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#endif
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#if !defined(HAVE_UNISTD_H) && !defined(_MSC_VER)
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#define HAVE_UNISTD_H 1
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#endif
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#if !defined(HAVE_SYS_UIO_H) && !defined(WIN32) && !defined(MSDOS)
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#define HAVE_SYS_UIO_H
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#endif
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#endif /* HAVE_CONFIG_H */
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/*
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* Arg 2 type for gethostname in case it hasn't been defined in config file.
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*/
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#ifndef GETHOSTNAME_TYPE_ARG2
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# ifdef USE_WINSOCK
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# define GETHOSTNAME_TYPE_ARG2 int
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# else
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# define GETHOSTNAME_TYPE_ARG2 size_t
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# endif
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#endif
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#ifdef __POCC__
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# include <sys/types.h>
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# include <unistd.h>
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# define ESRCH 3
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#endif
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/*
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* Android does have the arpa/nameser.h header which is detected by configure
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* but it appears to be empty with recent NDK r7b / r7c, so we undefine here.
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*/
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#if (defined(ANDROID) || defined(__ANDROID__)) && defined(HAVE_ARPA_NAMESER_H)
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# undef HAVE_ARPA_NAMESER_H
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#endif
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/*
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* Recent autoconf versions define these symbols in ares_config.h. We don't
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* want them (since they collide with the libcurl ones when we build
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* --enable-debug) so we undef them again here.
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*/
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#undef PACKAGE_STRING
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#undef PACKAGE_TARNAME
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#undef PACKAGE_VERSION
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#undef PACKAGE_BUGREPORT
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#undef PACKAGE_NAME
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#undef VERSION
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#undef PACKAGE
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/* IPv6 compatibility */
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#if !defined(HAVE_AF_INET6)
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#if defined(HAVE_PF_INET6)
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#define AF_INET6 PF_INET6
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#else
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#define AF_INET6 AF_MAX+1
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#endif
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#endif
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/*
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* Include macros and defines that should only be processed once.
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*/
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#ifndef __SETUP_ONCE_H
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#include "setup_once.h"
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#endif
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#endif /* HEADER_CARES_SETUP_H */
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