663 lines
15 KiB
Plaintext
663 lines
15 KiB
Plaintext
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.57)
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AC_INIT(ares_init.c)
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AC_CONFIG_SRCDIR([ares_ipv6.h])
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AM_CONFIG_HEADER(config.h)
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AM_MAINTAINER_MODE
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AM_INIT_AUTOMAKE(c-ares, CVS)
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AC_PROG_CC
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AC_PROG_INSTALL
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case $host_os in
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solaris*)
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AC_DEFINE(ETC_INET, 1, [if a /etc/inet dir is being used])
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;;
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esac
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AC_LIBTOOL_WIN32_DLL
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dnl ************************************************************
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dnl Option to switch on debug options. This makes an assumption that
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dnl this is built as an 'ares' subdir in the curl source tree. Subject for
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dnl improval in the future!
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dnl
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AC_MSG_CHECKING([whether to enable debug options])
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AC_ARG_ENABLE(debug,
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AC_HELP_STRING([--enable-debug],[Enable pedantic debug options])
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AC_HELP_STRING([--disable-debug],[Disable debug options]),
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[ case "$enableval" in
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no)
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AC_MSG_RESULT(no)
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;;
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*) AC_MSG_RESULT(yes)
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dnl when doing the debug stuff, use static library only
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AC_DISABLE_SHARED
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dnl the entire --enable-debug is a hack that lives and runs on top of
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dnl libcurl stuff so this BUILDING_LIBCURL is not THAT much uglier
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AC_DEFINE(BUILDING_LIBCURL, 1, [when building as static part of libcurl])
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CPPFLAGS="$CPPFLAGS -DCURLDEBUG -I$srcdir/../include"
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CFLAGS="$CFLAGS -g"
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dnl check for how to do large files, needed to get the curl_off_t check
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dnl done right
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AC_SYS_LARGEFILE
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AC_CHECK_SIZEOF(curl_off_t, ,[
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#include <stdio.h>
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#include "$srcdir/../include/curl/curl.h"
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])
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dnl set compiler "debug" options to become more picky, and remove
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dnl optimize options from CFLAGS
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CURL_CC_DEBUG_OPTS
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;;
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esac ],
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AC_MSG_RESULT(no)
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)
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dnl libtool setup
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CARES_CLEAR_LIBTOOL_TAGS
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AC_PROG_LIBTOOL
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AC_MSG_CHECKING([if we need -no-undefined])
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case $host in
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*-*-cygwin | *-*-mingw* | *-*-pw32*)
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need_no_undefined=yes
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;;
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*)
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need_no_undefined=no
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;;
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esac
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AC_MSG_RESULT($need_no_undefined)
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AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes)
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dnl **********************************************************************
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dnl Checks for libraries.
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dnl **********************************************************************
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dnl gethostbyname without lib or in the nsl lib?
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AC_CHECK_FUNC(gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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],
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[ AC_CHECK_LIB(nsl, gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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LIBS="$LIBS -lnsl"
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])
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])
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl gethostbyname in the socket lib?
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AC_CHECK_LIB(socket, gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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LIBS="$LIBS -lsocket"
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])
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fi
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dnl At least one system has been identified to require BOTH nsl and socket
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dnl libs at the same time to link properly.
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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AC_MSG_CHECKING([for gethostbyname with both nsl and socket libs])
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my_ac_save_LIBS=$LIBS
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LIBS="-lnsl -lsocket $LIBS"
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AC_TRY_LINK( ,
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[gethostbyname();],
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[ dnl found it!
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HAVE_GETHOSTBYNAME="1"
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AC_MSG_RESULT([yes])],
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[ dnl failed!
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AC_MSG_RESULT([no])
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dnl restore LIBS
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LIBS=$my_ac_save_LIBS]
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)
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl This is for Msys/Mingw
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AC_MSG_CHECKING([for gethostbyname in ws2_32])
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my_ac_save_LIBS=$LIBS
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LIBS="-lws2_32 $LIBS"
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AC_TRY_LINK([#include <winsock2.h>],
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[gethostbyname("www.dummysite.com");],
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[ dnl worked!
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ws2="yes"
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AC_MSG_RESULT([yes])
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HAVE_GETHOSTBYNAME="1"],
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[ dnl failed, restore LIBS
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LIBS=$my_ac_save_LIBS
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AC_MSG_RESULT(no)]
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)
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl This is for eCos with a stubbed DNS implementation
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AC_MSG_CHECKING([for gethostbyname for eCos])
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AC_TRY_LINK([
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#include <stdio.h>
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#include <netdb.h>],
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[gethostbyname("www.dummysite.com");],
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[ dnl worked!
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AC_MSG_RESULT([yes])
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HAVE_GETHOSTBYNAME="1"],
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AC_MSG_RESULT(no)
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)
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl gethostbyname in the net lib - for BeOS
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AC_CHECK_LIB(net, gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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LIBS="$LIBS -lnet"
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])
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fi
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if test "$HAVE_GETHOSTBYNAME" = "1"; then
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AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [If you have gethostbyname])
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else
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AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
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fi
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dnl resolve lib?
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AC_CHECK_FUNC(strcasecmp, , [ AC_CHECK_LIB(resolve, strcasecmp) ])
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if test "$ac_cv_lib_resolve_strcasecmp" = "$ac_cv_func_strcasecmp"; then
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AC_CHECK_LIB(resolve, strcasecmp,
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[LIBS="-lresolve $LIBS"],
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,
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-lnsl)
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fi
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dnl socket lib?
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AC_CHECK_FUNC(connect, , [ AC_CHECK_LIB(socket, connect) ])
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dnl dl lib?
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AC_CHECK_FUNC(dlclose, , [ AC_CHECK_LIB(dl, dlopen) ])
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AC_MSG_CHECKING([whether to use libgcc])
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AC_ARG_ENABLE(libgcc,
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AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]),
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[ case "$enableval" in
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yes)
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LIBS="$LIBS -lgcc"
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AC_MSG_RESULT(yes)
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;;
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*) AC_MSG_RESULT(no)
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;;
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esac ],
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AC_MSG_RESULT(no)
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)
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dnl **********************************************************************
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dnl Back to "normal" configuring
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dnl **********************************************************************
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dnl Checks for header files.
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AC_HEADER_STDC
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dnl **********************************************************************
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dnl Make sure that our checks for headers windows.h winsock.h winsock2.h
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dnl and ws2tcpip.h take precedence over any other further checks which
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dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for
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dnl this specific header files. And do them before its results are used.
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dnl **********************************************************************
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CURL_CHECK_HEADER_WINDOWS
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CURL_CHECK_HEADER_WINSOCK
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CURL_CHECK_HEADER_WINSOCK2
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CURL_CHECK_HEADER_WS2TCPIP
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CURL_CHECK_HEADER_MALLOC
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dnl check for a few basic system headers we need
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AC_CHECK_HEADERS(
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sys/types.h \
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sys/time.h \
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sys/select.h \
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sys/socket.h \
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sys/ioctl.h \
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netdb.h \
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netinet/in.h \
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net/if.h \
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arpa/nameser.h \
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arpa/nameser_compat.h \
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arpa/inet.h,
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dnl to do if not found
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[],
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dnl to do if found
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[],
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dnl default includes
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[
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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dnl We do this default-include simply to make sure that the nameser_compat.h
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dnl header *REALLY* can be include after the new nameser.h. It seems AIX 5.1
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dnl (and others?) is not designed to allow this.
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#ifdef HAVE_ARPA_NAMESER_H
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#include <arpa/nameser.h>
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#endif
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dnl *Sigh* these are needed in order for net/if.h to get properly detected.
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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]
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)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_TYPE_SIZE_T
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AC_HEADER_TIME
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CURL_CHECK_STRUCT_TIMEVAL
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AC_CHECK_SIZEOF(size_t)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(time_t)
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AC_CHECK_TYPE(long long,
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[AC_DEFINE(HAVE_LONGLONG, 1, [if your compiler supports long long])]
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longlong="yes"
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)
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if test "xyes" = "x$longlong"; then
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AC_MSG_CHECKING([if numberLL works])
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AC_COMPILE_IFELSE([long long val = 1000LL;],
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[AC_DEFINE(HAVE_LL, 1, [if your compiler supports LL])]
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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)
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fi
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# check for ssize_t
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AC_CHECK_TYPE(ssize_t, ,
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AC_DEFINE(ssize_t, int, [the signed version of size_t]))
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# Check for socklen_t or equivalent
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CURL_CHECK_TYPE_SOCKLEN_T
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TYPE_IN_ADDR_T
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TYPE_SOCKADDR_STORAGE
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TYPE_SIG_ATOMIC_T
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AC_TYPE_SIGNAL
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CURL_CHECK_FUNC_RECV
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CURL_CHECK_FUNC_SEND
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CURL_CHECK_MSG_NOSIGNAL
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dnl check for AF_INET6
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CARES_CHECK_CONSTANT(
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[
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#undef inline
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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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#endif
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#else
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#endif
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], [PF_INET6],
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AC_DEFINE_UNQUOTED(HAVE_PF_INET6,1,[Define to 1 if you have PF_INET6.])
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)
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dnl check for PF_INET6
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CARES_CHECK_CONSTANT(
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[
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#undef inline
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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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#endif
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#else
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#endif
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], [AF_INET6],
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AC_DEFINE_UNQUOTED(HAVE_AF_INET6,1,[Define to 1 if you have AF_INET6.])
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)
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dnl check for the in6_addr structure
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CARES_CHECK_STRUCT(
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[
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#undef inline
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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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#endif
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#else
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#endif
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], [in6_addr],
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AC_DEFINE_UNQUOTED(HAVE_STRUCT_IN6_ADDR,1,[Define to 1 if you have struct in6_addr.])
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)
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dnl check for the sockaddr_in6 structure
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CARES_CHECK_STRUCT(
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[
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#undef inline
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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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#endif
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#else
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#endif
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], [sockaddr_in6],
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AC_DEFINE_UNQUOTED(HAVE_STRUCT_SOCKADDR_IN6,1,
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[Define to 1 if you have struct sockaddr_in6.]) ac_have_sockaddr_in6=yes
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)
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AC_CHECK_MEMBER(struct sockaddr_in6.sin6_scope_id,
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AC_DEFINE_UNQUOTED(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID,1,
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[Define to 1 if your struct sockaddr_in6 has sin6_scope_id.])
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, ,
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[
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#undef inline
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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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#endif
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#else
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#endif
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])
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dnl check for the addrinfo structure
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AC_CHECK_MEMBER(struct addrinfo.ai_flags,
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AC_DEFINE_UNQUOTED(HAVE_STRUCT_ADDRINFO,1,
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[Define to 1 if you have struct addrinfo.]),,
|
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[
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#undef inline
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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>
|
|
#endif
|
|
#endif
|
|
#else
|
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETDB_H
|
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#include <netdb.h>
|
|
#endif
|
|
#endif
|
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]
|
|
)
|
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|
|
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|
AC_CHECK_FUNCS( bitncmp \
|
|
if_indextoname,
|
|
dnl if found
|
|
[],
|
|
dnl if not found, $ac_func is the name we check for
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|
func="$ac_func"
|
|
AC_MSG_CHECKING([deeper for $func])
|
|
AC_TRY_LINK( [],
|
|
[ $func ();],
|
|
AC_MSG_RESULT(yes!)
|
|
eval "ac_cv_func_$func=yes"
|
|
def=`echo "HAVE_$func" | tr 'a-z' 'A-Z'`
|
|
AC_DEFINE_UNQUOTED($def, 1, [If you have $func]),
|
|
AC_MSG_RESULT(but still no)
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)
|
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)
|
|
|
|
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|
dnl check for inet_pton
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|
AC_CHECK_FUNCS(inet_pton)
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|
dnl Some systems have it, but not IPv6
|
|
if test "$ac_cv_func_inet_pton" = "yes" ; then
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AC_MSG_CHECKING(if inet_pton supports IPv6)
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|
AC_TRY_RUN(
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[
|
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#ifdef HAVE_SYS_TYPES_H
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|
#include <sys/types.h>
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|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
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|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
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|
#include <netinet/in.h>
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|
#endif
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|
int main()
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|
{
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struct in6_addr addr6;
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|
if (inet_pton(AF_INET6, "::1", &addr6) < 1)
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|
exit(1);
|
|
else
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|
exit(0);
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|
}
|
|
], [
|
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AC_MSG_RESULT(yes)
|
|
AC_DEFINE_UNQUOTED(HAVE_INET_PTON_IPV6,1,[Define to 1 if inet_pton supports IPv6.])
|
|
], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
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|
fi
|
|
dnl Check for inet_net_pton
|
|
AC_CHECK_FUNCS(inet_net_pton)
|
|
dnl Again, some systems have it, but not IPv6
|
|
if test "$ac_cv_func_inet_net_pton" = "yes" ; then
|
|
AC_MSG_CHECKING(if inet_net_pton supports IPv6)
|
|
AC_TRY_RUN(
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|
[
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|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
int main()
|
|
{
|
|
struct in6_addr addr6;
|
|
if (inet_net_pton(AF_INET6, "::1", &addr6, sizeof(addr6)) < 1)
|
|
exit(1);
|
|
else
|
|
exit(0);
|
|
}
|
|
], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE_UNQUOTED(HAVE_INET_NET_PTON_IPV6,1,[Define to 1 if inet_net_pton supports IPv6.])
|
|
], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
|
|
fi
|
|
|
|
|
|
dnl Check for inet_ntop
|
|
AC_CHECK_FUNCS(inet_ntop)
|
|
dnl Again, some systems have it, but not IPv6
|
|
if test "$ac_cv_func_inet_ntop" = "yes" ; then
|
|
AC_MSG_CHECKING(if inet_ntop supports IPv6)
|
|
AC_TRY_RUN(
|
|
[
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#include <errno.h>
|
|
int main()
|
|
{
|
|
struct in6_addr addr6;
|
|
char buf[128];
|
|
if (inet_ntop(AF_INET6, &addr6, buf, 128) == 0 && errno == EAFNOSUPPORT)
|
|
exit(1);
|
|
else
|
|
exit(0);
|
|
}
|
|
], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE_UNQUOTED(HAVE_INET_NTOP_IPV6,1,
|
|
[Define to 1 if inet_ntop supports IPv6.])
|
|
], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
|
|
fi
|
|
|
|
AC_CHECK_SIZEOF(struct in6_addr, ,
|
|
[
|
|
#undef inline
|
|
#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
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#endif
|
|
]
|
|
)
|
|
|
|
AC_CHECK_SIZEOF(struct in_addr, ,
|
|
[
|
|
#undef inline
|
|
#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
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#endif
|
|
]
|
|
)
|
|
|
|
|
|
dnl Check if the getnameinfo function is available
|
|
dnl and get the types of five of its arguments.
|
|
CURL_CHECK_FUNC_GETNAMEINFO
|
|
|
|
|
|
dnl God bless non-standardized functions! We need to see which getservbyport_r
|
|
dnl variant is available
|
|
CARES_CHECK_GETSERVBYPORT_R
|
|
|
|
CURL_CHECK_NONBLOCKING_SOCKET
|
|
|
|
AC_C_BIGENDIAN(
|
|
[AC_DEFINE(ARES_BIG_ENDIAN, 1,
|
|
[define this if ares is built for a big endian system])],
|
|
,
|
|
[AC_MSG_WARN([couldn't figure out endianess, assuming little endian!])]
|
|
)
|
|
|
|
AC_OUTPUT(Makefile)
|