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#***************************************************************************
# $Id$
#
# Copyright (C) 2008 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.
#
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
dnl CARES_INCLUDES_ARPA_INET
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when arpa/inet.h is to be included.
AC_DEFUN([CARES_INCLUDES_ARPA_INET], [
cares_includes_arpa_inet="\
/* includes start */
#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
#ifdef HAVE_ARPA_INET_H
# include <arpa/inet.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h sys/socket.h netinet/in.h arpa/inet.h,
[], [], [$cares_includes_arpa_inet])
])
dnl CARES_INCLUDES_FCNTL
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when fcntl.h is to be included.
AC_DEFUN([CARES_INCLUDES_FCNTL], [
cares_includes_fcntl="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
# include <fcntl.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h fcntl.h,
[], [], [$cares_includes_fcntl])
])
dnl CARES_INCLUDES_NETDB
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when netdb.h is to be included.
AC_DEFUN([CARES_INCLUDES_NETDB], [
cares_includes_netdb="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h netdb.h,
[], [], [$cares_includes_netdb])
])
dnl CARES_INCLUDES_STDLIB
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when stdlib.h is to be included.
AC_DEFUN([CARES_INCLUDES_STDLIB], [
cares_includes_stdlib="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h stdlib.h,
[], [], [$cares_includes_stdlib])
])
dnl CARES_INCLUDES_STRING
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
AC_DEFUN([CARES_INCLUDES_STRING], [
cares_includes_string="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
[], [], [$cares_includes_string])
])
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dnl CARES_INCLUDES_STROPTS
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when stropts.h is to be included.
AC_DEFUN([CARES_INCLUDES_STROPTS], [
cares_includes_stropts="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_STROPTS_H
# include <stropts.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h sys/socket.h sys/ioctl.h stropts.h,
[], [], [$cares_includes_stropts])
])
dnl CARES_INCLUDES_SYS_SOCKET
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when sys/socket.h is to be included.
AC_DEFUN([CARES_INCLUDES_SYS_SOCKET], [
cares_includes_sys_socket="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h sys/socket.h,
[], [], [$cares_includes_sys_socket])
])
dnl CARES_INCLUDES_SYS_UIO
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when sys/uio.h is to be included.
AC_DEFUN([CARES_INCLUDES_SYS_UIO], [
cares_includes_sys_uio="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_UIO_H
# include <sys/uio.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h sys/uio.h,
[], [], [$cares_includes_sys_uio])
])
dnl CARES_INCLUDES_UNISTD
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when unistd.h is to be included.
AC_DEFUN([CARES_INCLUDES_UNISTD], [
cares_includes_unistd="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h,
[], [], [$cares_includes_unistd])
])
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dnl CARES_INCLUDES_WINSOCK2
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when winsock(2).h is to be included.
AC_DEFUN([CARES_INCLUDES_WINSOCK2], [
cares_includes_winsock2="\
/* includes start */
#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>
# else
# ifdef HAVE_WINSOCK_H
# include <winsock.h>
# endif
# endif
#endif
/* includes end */"
CURL_CHECK_HEADER_WINDOWS
CURL_CHECK_HEADER_WINSOCK
CURL_CHECK_HEADER_WINSOCK2
])
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dnl CARES_INCLUDES_WS2TCPIP
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when ws2tcpip.h is to be included.
AC_DEFUN([CARES_INCLUDES_WS2TCPIP], [
cares_includes_ws2tcpip="\
/* includes start */
#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
#endif
/* includes end */"
CURL_CHECK_HEADER_WINDOWS
CURL_CHECK_HEADER_WINSOCK2
CURL_CHECK_HEADER_WS2TCPIP
])
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dnl CARES_CHECK_FUNC_FCNTL
dnl -------------------------------------------------
dnl Verify if fcntl is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable cares_disallow_fcntl, then
dnl HAVE_FCNTL will be defined.
AC_DEFUN([CARES_CHECK_FUNC_FCNTL], [
AC_REQUIRE([CARES_INCLUDES_FCNTL])dnl
#
tst_links_fcntl="unknown"
tst_proto_fcntl="unknown"
tst_compi_fcntl="unknown"
tst_allow_fcntl="unknown"
#
AC_MSG_CHECKING([if fcntl can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([fcntl])
],[
AC_MSG_RESULT([yes])
tst_links_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_links_fcntl="no"
])
#
if test "$tst_links_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl is prototyped])
AC_EGREP_CPP([fcntl],[
$cares_includes_fcntl
],[
AC_MSG_RESULT([yes])
tst_proto_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_proto_fcntl="no"
])
fi
#
if test "$tst_proto_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_fcntl
]],[[
if(0 != fcntl(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_compi_fcntl="no"
])
fi
#
if test "$tst_compi_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl usage allowed])
if test "x$cares_disallow_fcntl" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_fcntl="yes"
else
AC_MSG_RESULT([no])
tst_allow_fcntl="no"
fi
fi
#
AC_MSG_CHECKING([if fcntl might be used])
if test "$tst_links_fcntl" = "yes" &&
test "$tst_proto_fcntl" = "yes" &&
test "$tst_compi_fcntl" = "yes" &&
test "$tst_allow_fcntl" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FCNTL, 1,
[Define to 1 if you have the fcntl function.])
ac_cv_func_fcntl="yes"
CARES_CHECK_FUNC_FCNTL_O_NONBLOCK
else
AC_MSG_RESULT([no])
ac_cv_func_fcntl="no"
fi
])
dnl CARES_CHECK_FUNC_FCNTL_O_NONBLOCK
dnl -------------------------------------------------
dnl Verify if fcntl with status flag O_NONBLOCK is
dnl available, can be compiled, and seems to work. If
dnl all of these are true, then HAVE_FCNTL_O_NONBLOCK
dnl will be defined.
AC_DEFUN([CARES_CHECK_FUNC_FCNTL_O_NONBLOCK], [
#
tst_compi_fcntl_o_nonblock="unknown"
tst_allow_fcntl_o_nonblock="unknown"
#
case $host_os in
sunos4* | aix3* | beos*)
dnl O_NONBLOCK does not work on these platforms
cares_disallow_fcntl_o_nonblock="yes"
;;
esac
#
if test "$ac_cv_func_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl O_NONBLOCK is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_fcntl
]],[[
int flags = 0;
if(0 != fcntl(0, F_SETFL, flags | O_NONBLOCK))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_fcntl_o_nonblock="yes"
],[
AC_MSG_RESULT([no])
tst_compi_fcntl_o_nonblock="no"
])
fi
#
if test "$tst_compi_fcntl_o_nonblock" = "yes"; then
AC_MSG_CHECKING([if fcntl O_NONBLOCK usage allowed])
if test "x$cares_disallow_fcntl_o_nonblock" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_fcntl_o_nonblock="yes"
else
AC_MSG_RESULT([no])
tst_allow_fcntl_o_nonblock="no"
fi
fi
#
AC_MSG_CHECKING([if fcntl O_NONBLOCK might be used])
if test "$tst_compi_fcntl_o_nonblock" = "yes" &&
test "$tst_allow_fcntl_o_nonblock" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FCNTL_O_NONBLOCK, 1,
[Define to 1 if you have a working fcntl O_NONBLOCK function.])
ac_cv_func_fcntl_o_nonblock="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_fcntl_o_nonblock="no"
fi
])
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dnl CARES_CHECK_FUNC_FREEADDRINFO
dnl -------------------------------------------------
dnl Verify if freeaddrinfo is available, prototyped,
dnl and can be compiled. If all of these are true,
dnl and usage has not been previously disallowed with
dnl shell variable cares_disallow_freeaddrinfo, then
dnl HAVE_FREEADDRINFO will be defined.
AC_DEFUN([CARES_CHECK_FUNC_FREEADDRINFO], [
AC_REQUIRE([CARES_INCLUDES_WS2TCPIP])dnl
AC_REQUIRE([CARES_INCLUDES_SYS_SOCKET])dnl
AC_REQUIRE([CARES_INCLUDES_NETDB])dnl
#
tst_links_freeaddrinfo="unknown"
tst_proto_freeaddrinfo="unknown"
tst_compi_freeaddrinfo="unknown"
tst_allow_freeaddrinfo="unknown"
#
AC_MSG_CHECKING([if freeaddrinfo can be linked])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_ws2tcpip
$cares_includes_sys_socket
$cares_includes_netdb
]],[[
freeaddrinfo(0);
]])
],[
AC_MSG_RESULT([yes])
tst_links_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_links_freeaddrinfo="no"
])
#
if test "$tst_links_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo is prototyped])
AC_EGREP_CPP([freeaddrinfo],[
$cares_includes_ws2tcpip
$cares_includes_sys_socket
$cares_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_proto_freeaddrinfo="no"
])
fi
#
if test "$tst_proto_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_ws2tcpip
$cares_includes_sys_socket
$cares_includes_netdb
]],[[
freeaddrinfo(0);
]])
],[
AC_MSG_RESULT([yes])
tst_compi_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_compi_freeaddrinfo="no"
])
fi
#
if test "$tst_compi_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo usage allowed])
if test "x$cares_disallow_freeaddrinfo" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_freeaddrinfo="yes"
else
AC_MSG_RESULT([no])
tst_allow_freeaddrinfo="no"
fi
fi
#
AC_MSG_CHECKING([if freeaddrinfo might be used])
if test "$tst_links_freeaddrinfo" = "yes" &&
test "$tst_proto_freeaddrinfo" = "yes" &&
test "$tst_compi_freeaddrinfo" = "yes" &&
test "$tst_allow_freeaddrinfo" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FREEADDRINFO, 1,
[Define to 1 if you have the freeaddrinfo function.])
ac_cv_func_freeaddrinfo="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_freeaddrinfo="no"
fi
])
dnl CARES_CHECK_FUNC_GETADDRINFO
dnl -------------------------------------------------
dnl Verify if getaddrinfo is available, prototyped, can
dnl be compiled and seems to work. If all of these are
dnl true, and usage has not been previously disallowed
dnl with shell variable cares_disallow_getaddrinfo, then
dnl HAVE_GETADDRINFO will be defined.
AC_DEFUN([CARES_CHECK_FUNC_GETADDRINFO], [
AC_REQUIRE([CARES_INCLUDES_WS2TCPIP])dnl
AC_REQUIRE([CARES_INCLUDES_STDLIB])dnl
Yang Tse
committed
AC_REQUIRE([CARES_INCLUDES_STRING])dnl
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AC_REQUIRE([CARES_INCLUDES_SYS_SOCKET])dnl
AC_REQUIRE([CARES_INCLUDES_NETDB])dnl
#
tst_links_getaddrinfo="unknown"
tst_proto_getaddrinfo="unknown"
tst_compi_getaddrinfo="unknown"
tst_works_getaddrinfo="unknown"
tst_allow_getaddrinfo="unknown"
#
AC_MSG_CHECKING([if getaddrinfo can be linked])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_ws2tcpip
$cares_includes_sys_socket
$cares_includes_netdb
]],[[
if(0 != getaddrinfo(0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_links_getaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_links_getaddrinfo="no"
])
#
if test "$tst_links_getaddrinfo" = "yes"; then
AC_MSG_CHECKING([if getaddrinfo is prototyped])
AC_EGREP_CPP([getaddrinfo],[
$cares_includes_ws2tcpip
$cares_includes_sys_socket
$cares_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_getaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_proto_getaddrinfo="no"
])
fi
#
if test "$tst_proto_getaddrinfo" = "yes"; then
AC_MSG_CHECKING([if getaddrinfo is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_ws2tcpip
$cares_includes_sys_socket
$cares_includes_netdb
]],[[
if(0 != getaddrinfo(0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_getaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_compi_getaddrinfo="no"
])
fi
#
dnl only do runtime verification when not cross-compiling
if test "x$cross_compiling" != "xyes" &&
test "$tst_compi_getaddrinfo" = "yes"; then
AC_MSG_CHECKING([if getaddrinfo seems to work])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_ws2tcpip
$cares_includes_stdlib
Yang Tse
committed
$cares_includes_string
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$cares_includes_sys_socket
$cares_includes_netdb
]],[[
struct addrinfo hints;
struct addrinfo *ai = 0;
int error;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_NUMERICHOST;
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
error = getaddrinfo("127.0.0.1", 0, &hints, &ai);
if(error || !ai)
exit(1); /* fail */
else
exit(0);
]])
],[
AC_MSG_RESULT([yes])
tst_works_getaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_works_getaddrinfo="no"
])
fi
#
if test "$tst_compi_getaddrinfo" = "yes" &&
test "$tst_works_getaddrinfo" != "no"; then
AC_MSG_CHECKING([if getaddrinfo usage allowed])
if test "x$cares_disallow_getaddrinfo" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_getaddrinfo="yes"
else
AC_MSG_RESULT([no])
tst_allow_getaddrinfo="no"
fi
fi
#
AC_MSG_CHECKING([if getaddrinfo might be used])
if test "$tst_links_getaddrinfo" = "yes" &&
test "$tst_proto_getaddrinfo" = "yes" &&
test "$tst_compi_getaddrinfo" = "yes" &&
test "$tst_allow_getaddrinfo" = "yes" &&
test "$tst_works_getaddrinfo" != "no"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_GETADDRINFO, 1,
[Define to 1 if you have a working getaddrinfo function.])
ac_cv_func_getaddrinfo="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_getaddrinfo="no"
fi
])
dnl CARES_CHECK_FUNC_GETHOSTNAME
dnl -------------------------------------------------
dnl Verify if gethostname is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable cares_disallow_gethostname, then
dnl HAVE_GETHOSTNAME will be defined.
AC_DEFUN([CARES_CHECK_FUNC_GETHOSTNAME], [
AC_REQUIRE([CARES_INCLUDES_WINSOCK2])dnl
AC_REQUIRE([CARES_INCLUDES_UNISTD])dnl
#
tst_links_gethostname="unknown"
tst_proto_gethostname="unknown"
tst_compi_gethostname="unknown"
tst_allow_gethostname="unknown"
#
AC_MSG_CHECKING([if gethostname can be linked])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_winsock2
$cares_includes_unistd
]],[[
if(0 != gethostname(0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_links_gethostname="yes"
],[
AC_MSG_RESULT([no])
tst_links_gethostname="no"
])
#
if test "$tst_links_gethostname" = "yes"; then
AC_MSG_CHECKING([if gethostname is prototyped])
AC_EGREP_CPP([gethostname],[
$cares_includes_unistd
],[
AC_MSG_RESULT([yes])
tst_proto_gethostname="yes"
],[
AC_MSG_RESULT([no])
tst_proto_gethostname="no"
])
fi
#
if test "$tst_proto_gethostname" = "yes"; then
AC_MSG_CHECKING([if gethostname is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
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$cares_includes_unistd
]],[[
if(0 != gethostname(0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_gethostname="yes"
],[
AC_MSG_RESULT([no])
tst_compi_gethostname="no"
])
fi
#
if test "$tst_compi_gethostname" = "yes"; then
AC_MSG_CHECKING([if gethostname usage allowed])
if test "x$cares_disallow_gethostname" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_gethostname="yes"
else
AC_MSG_RESULT([no])
tst_allow_gethostname="no"
fi
fi
#
AC_MSG_CHECKING([if gethostname might be used])
if test "$tst_links_gethostname" = "yes" &&
test "$tst_proto_gethostname" = "yes" &&
test "$tst_compi_gethostname" = "yes" &&
test "$tst_allow_gethostname" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_GETHOSTNAME, 1,
[Define to 1 if you have the gethostname function.])
ac_cv_func_gethostname="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_gethostname="no"
fi
])
dnl CARES_CHECK_FUNC_GETSERVBYPORT_R
dnl -------------------------------------------------
dnl Verify if getservbyport_r is available, prototyped,
dnl and can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable cares_disallow_getservbyport_r, then
dnl HAVE_GETSERVBYPORT_R will be defined.
AC_DEFUN([CARES_CHECK_FUNC_GETSERVBYPORT_R], [
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#
tst_links_getservbyport_r="unknown"
tst_proto_getservbyport_r="unknown"
tst_compi_getservbyport_r="unknown"
tst_allow_getservbyport_r="unknown"
tst_nargs_getservbyport_r="unknown"
#
AC_MSG_CHECKING([if getservbyport_r can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([getservbyport_r])
],[
AC_MSG_RESULT([yes])
tst_links_getservbyport_r="yes"
],[
AC_MSG_RESULT([no])
tst_links_getservbyport_r="no"
])
#
if test "$tst_links_getservbyport_r" = "yes"; then
AC_MSG_CHECKING([if getservbyport_r is prototyped])
AC_EGREP_CPP([getservbyport_r],[
$cares_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_getservbyport_r="yes"
],[
AC_MSG_RESULT([no])
tst_proto_getservbyport_r="no"
])
fi
#
if test "$tst_proto_getservbyport_r" = "yes"; then
if test "$tst_nargs_getservbyport_r" = "unknown"; then
AC_MSG_CHECKING([if getservbyport_r takes 4 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_netdb
]],[[
if(0 != getservbyport_r(0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_getservbyport_r="yes"
tst_nargs_getservbyport_r="4"
],[
AC_MSG_RESULT([no])
tst_compi_getservbyport_r="no"
])
fi
if test "$tst_nargs_getservbyport_r" = "unknown"; then
AC_MSG_CHECKING([if getservbyport_r takes 5 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_netdb
]],[[
if(0 != getservbyport_r(0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_getservbyport_r="yes"
tst_nargs_getservbyport_r="5"
],[
AC_MSG_RESULT([no])
tst_compi_getservbyport_r="no"
])
fi
if test "$tst_nargs_getservbyport_r" = "unknown"; then
AC_MSG_CHECKING([if getservbyport_r takes 6 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_netdb
]],[[
if(0 != getservbyport_r(0, 0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_getservbyport_r="yes"
tst_nargs_getservbyport_r="6"
],[
AC_MSG_RESULT([no])
tst_compi_getservbyport_r="no"
])
fi
AC_MSG_CHECKING([if getservbyport_r is compilable])
if test "$tst_compi_getservbyport_r" = "yes"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
#
if test "$tst_compi_getservbyport_r" = "yes"; then
AC_MSG_CHECKING([if getservbyport_r usage allowed])
if test "x$cares_disallow_getservbyport_r" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_getservbyport_r="yes"
else
AC_MSG_RESULT([no])
tst_allow_getservbyport_r="no"
fi
fi
#
AC_MSG_CHECKING([if getservbyport_r might be used])
if test "$tst_links_getservbyport_r" = "yes" &&
test "$tst_proto_getservbyport_r" = "yes" &&
test "$tst_compi_getservbyport_r" = "yes" &&
test "$tst_allow_getservbyport_r" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_GETSERVBYPORT_R, 1,
[Define to 1 if you have the getservbyport_r function.])
AC_DEFINE_UNQUOTED(GETSERVBYPORT_R_ARGS, $tst_nargs_getservbyport_r,
[Specifies the number of arguments to getservbyport_r])
if test "$tst_nargs_getservbyport_r" -eq "4"; then
AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, sizeof(struct servent_data),
[Specifies the size of the buffer to pass to getservbyport_r])
else
AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, 4096,
[Specifies the size of the buffer to pass to getservbyport_r])
fi
ac_cv_func_getservbyport_r="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_getservbyport_r="no"
fi
])
dnl CARES_CHECK_FUNC_INET_NTOP
dnl -------------------------------------------------
dnl Verify if inet_ntop is available, prototyped, can
dnl be compiled and seems to work. If all of these are
dnl true, and usage has not been previously disallowed
dnl with shell variable cares_disallow_inet_ntop, then
dnl HAVE_INET_NTOP will be defined.
AC_DEFUN([CARES_CHECK_FUNC_INET_NTOP], [
AC_REQUIRE([CARES_INCLUDES_STDLIB])dnl
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AC_REQUIRE([CARES_INCLUDES_ARPA_INET])dnl
AC_REQUIRE([CARES_INCLUDES_STRING])dnl
#
tst_links_inet_ntop="unknown"
tst_proto_inet_ntop="unknown"
tst_compi_inet_ntop="unknown"
tst_works_inet_ntop="unknown"
tst_allow_inet_ntop="unknown"
#
AC_MSG_CHECKING([if inet_ntop can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([inet_ntop])
],[
AC_MSG_RESULT([yes])
tst_links_inet_ntop="yes"
],[
AC_MSG_RESULT([no])
tst_links_inet_ntop="no"
])
#
if test "$tst_links_inet_ntop" = "yes"; then
AC_MSG_CHECKING([if inet_ntop is prototyped])
AC_EGREP_CPP([inet_ntop],[
$cares_includes_arpa_inet
],[
AC_MSG_RESULT([yes])
tst_proto_inet_ntop="yes"
],[
AC_MSG_RESULT([no])
tst_proto_inet_ntop="no"
])
fi
#
if test "$tst_proto_inet_ntop" = "yes"; then
AC_MSG_CHECKING([if inet_ntop is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_arpa_inet
]],[[
if(0 != inet_ntop(0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_inet_ntop="yes"
],[
AC_MSG_RESULT([no])
tst_compi_inet_ntop="no"
])
fi
#
dnl only do runtime verification when not cross-compiling
if test "x$cross_compiling" != "xyes" &&
test "$tst_compi_inet_ntop" = "yes"; then
AC_MSG_CHECKING([if inet_ntop seems to work])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
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$cares_includes_arpa_inet
$cares_includes_string
]],[[
char ipv6res[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")];
char ipv4res[sizeof "255.255.255.255"];
unsigned char ipv6a[26];
unsigned char ipv4a[5];
char *ipv6ptr = 0;
char *ipv4ptr = 0;
/* - */
ipv4res[0] = '\0';
ipv4a[0] = 0xc0;
ipv4a[1] = 0xa8;
ipv4a[2] = 0x64;
ipv4a[3] = 0x01;
ipv4a[4] = 0x01;
/* - */
ipv4ptr = inet_ntop(AF_INET, ipv4a, ipv4res, sizeof(ipv4res));
if(!ipv4ptr)
exit(1); /* fail */
if(ipv4ptr != ipv4res)
exit(1); /* fail */
if(!ipv4ptr[0])
exit(1); /* fail */
if(memcmp(ipv4res, "192.168.100.1", 13) != 0)
exit(1); /* fail */
/* - */
ipv6res[0] = '\0';
memset(ipv6a, 0, sizeof(ipv6a));