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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# $Id$
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
Yang Tse
committed
# serial 38
dnl CURL_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([CURL_INCLUDES_ARPA_INET], [
curl_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,
[], [], [$curl_includes_arpa_inet])
])
dnl CURL_INCLUDES_FCNTL
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when fcntl.h is to be included.
AC_DEFUN([CURL_INCLUDES_FCNTL], [
curl_includes_fcntl="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
# include <fcntl.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h fcntl.h,
[], [], [$curl_includes_fcntl])
])
dnl CURL_INCLUDES_IFADDRS
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when ifaddrs.h is to be included.
AC_DEFUN([CURL_INCLUDES_IFADDRS], [
curl_includes_ifaddrs="\
/* 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_IFADDRS_H
# include <ifaddrs.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h sys/socket.h netinet/in.h ifaddrs.h,
[], [], [$curl_includes_ifaddrs])
])
dnl CURL_INCLUDES_NETDB
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when netdb.h is to be included.
AC_DEFUN([CURL_INCLUDES_NETDB], [
curl_includes_netdb="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h netdb.h,
[], [], [$curl_includes_netdb])
])
dnl CURL_INCLUDES_SETJMP
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when setjmp.h is to be included.
AC_DEFUN([CURL_INCLUDES_SETJMP], [
curl_includes_setjmp="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SETJMP_H
# include <setjmp.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h setjmp.h,
[], [], [$curl_includes_setjmp])
])
dnl CURL_INCLUDES_SIGNAL
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when signal.h is to be included.
AC_DEFUN([CURL_INCLUDES_SIGNAL], [
curl_includes_signal="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SIGNAL_H
# include <signal.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h signal.h,
[], [], [$curl_includes_signal])
])
dnl CURL_INCLUDES_STDIO
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when stdio.h is to be included.
AC_DEFUN([CURL_INCLUDES_STDIO], [
curl_includes_stdio="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_STDIO_H
# include <stdio.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h stdio.h,
[], [], [$curl_includes_stdio])
])
dnl CURL_INCLUDES_STDLIB
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when stdlib.h is to be included.
AC_DEFUN([CURL_INCLUDES_STDLIB], [
curl_includes_stdlib="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h stdlib.h,
[], [], [$curl_includes_stdlib])
])
dnl CURL_INCLUDES_STRING
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
AC_DEFUN([CURL_INCLUDES_STRING], [
curl_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(
[], [], [$curl_includes_string])
])
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dnl CURL_INCLUDES_STROPTS
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when stropts.h is to be included.
AC_DEFUN([CURL_INCLUDES_STROPTS], [
curl_includes_stropts="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_STROPTS_H
# include <stropts.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h sys/socket.h sys/ioctl.h stropts.h,
[], [], [$curl_includes_stropts])
])
dnl CURL_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([CURL_INCLUDES_SYS_SOCKET], [
curl_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,
[], [], [$curl_includes_sys_socket])
])
dnl CURL_INCLUDES_SYS_UIO
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when sys/uio.h is to be included.
AC_DEFUN([CURL_INCLUDES_SYS_UIO], [
curl_includes_sys_uio="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_UIO_H
# include <sys/uio.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h sys/uio.h,
[], [], [$curl_includes_sys_uio])
])
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dnl CURL_INCLUDES_TIME
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when time.h is to be included.
AC_DEFUN([CURL_INCLUDES_TIME], [
AC_REQUIRE([AC_HEADER_TIME])dnl
curl_includes_time="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# ifdef TIME_WITH_SYS_TIME
# include <time.h>
# endif
#else
# ifdef HAVE_TIME_H
# include <time.h>
# endif
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h sys/time.h time.h,
[], [], [$curl_includes_time])
])
dnl CURL_INCLUDES_UNISTD
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when unistd.h is to be included.
AC_DEFUN([CURL_INCLUDES_UNISTD], [
curl_includes_unistd="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h,
[], [], [$curl_includes_unistd])
])
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dnl CURL_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([CURL_INCLUDES_WINSOCK2], [
curl_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 CURL_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([CURL_INCLUDES_WS2TCPIP], [
curl_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 CURL_CHECK_FUNC_ALARM
dnl -------------------------------------------------
dnl Verify if alarm 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 curl_disallow_alarm, then
dnl HAVE_ALARM will be defined.
AC_DEFUN([CURL_CHECK_FUNC_ALARM], [
AC_REQUIRE([CURL_INCLUDES_UNISTD])dnl
#
tst_links_alarm="unknown"
tst_proto_alarm="unknown"
tst_compi_alarm="unknown"
tst_allow_alarm="unknown"
#
AC_MSG_CHECKING([if alarm can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([alarm])
],[
AC_MSG_RESULT([yes])
tst_links_alarm="yes"
],[
AC_MSG_RESULT([no])
tst_links_alarm="no"
])
#
if test "$tst_links_alarm" = "yes"; then
AC_MSG_CHECKING([if alarm is prototyped])
AC_EGREP_CPP([alarm],[
$curl_includes_unistd
],[
AC_MSG_RESULT([yes])
tst_proto_alarm="yes"
],[
AC_MSG_RESULT([no])
tst_proto_alarm="no"
])
fi
#
if test "$tst_proto_alarm" = "yes"; then
AC_MSG_CHECKING([if alarm is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_unistd
]],[[
if(0 != alarm(0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_alarm="yes"
],[
AC_MSG_RESULT([no])
tst_compi_alarm="no"
])
fi
#
if test "$tst_compi_alarm" = "yes"; then
AC_MSG_CHECKING([if alarm usage allowed])
if test "x$curl_disallow_alarm" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_alarm="yes"
else
AC_MSG_RESULT([no])
tst_allow_alarm="no"
fi
fi
#
AC_MSG_CHECKING([if alarm might be used])
if test "$tst_links_alarm" = "yes" &&
test "$tst_proto_alarm" = "yes" &&
test "$tst_compi_alarm" = "yes" &&
test "$tst_allow_alarm" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_ALARM, 1,
[Define to 1 if you have the alarm function.])
ac_cv_func_alarm="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_alarm="no"
fi
])
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dnl CURL_CHECK_FUNC_FCNTL
dnl -------------------------------------------------
dnl Verify if fcntl is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_fcntl, then
dnl HAVE_FCNTL will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FCNTL], [
AC_REQUIRE([CURL_INCLUDES_FCNTL])dnl
#
tst_links_fcntl="unknown"
tst_proto_fcntl="unknown"
tst_compi_fcntl="unknown"
tst_allow_fcntl="unknown"
#
AC_MSG_CHECKING([if fcntl can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([fcntl])
],[
AC_MSG_RESULT([yes])
tst_links_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_links_fcntl="no"
])
#
if test "$tst_links_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl is prototyped])
AC_EGREP_CPP([fcntl],[
$curl_includes_fcntl
],[
AC_MSG_RESULT([yes])
tst_proto_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_proto_fcntl="no"
])
fi
#
if test "$tst_proto_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_fcntl
]],[[
if(0 != fcntl(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_compi_fcntl="no"
])
fi
#
if test "$tst_compi_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl usage allowed])
if test "x$curl_disallow_fcntl" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_fcntl="yes"
else
AC_MSG_RESULT([no])
tst_allow_fcntl="no"
fi
fi
#
AC_MSG_CHECKING([if fcntl might be used])
if test "$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"
CURL_CHECK_FUNC_FCNTL_O_NONBLOCK
else
AC_MSG_RESULT([no])
ac_cv_func_fcntl="no"
fi
])
dnl CURL_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([CURL_CHECK_FUNC_FCNTL_O_NONBLOCK], [
#
tst_compi_fcntl_o_nonblock="unknown"
tst_allow_fcntl_o_nonblock="unknown"
#
case $host_os in
sunos4* | aix3* | beos*)
dnl O_NONBLOCK does not work on these platforms
curl_disallow_fcntl_o_nonblock="yes"
;;
esac
#
if test "$ac_cv_func_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl O_NONBLOCK is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_fcntl
]],[[
int flags = 0;
if(0 != fcntl(0, F_SETFL, flags | O_NONBLOCK))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_fcntl_o_nonblock="yes"
],[
AC_MSG_RESULT([no])
tst_compi_fcntl_o_nonblock="no"
])
fi
#
if test "$tst_compi_fcntl_o_nonblock" = "yes"; then
AC_MSG_CHECKING([if fcntl O_NONBLOCK usage allowed])
if test "x$curl_disallow_fcntl_o_nonblock" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_fcntl_o_nonblock="yes"
else
AC_MSG_RESULT([no])
tst_allow_fcntl_o_nonblock="no"
fi
fi
#
AC_MSG_CHECKING([if fcntl O_NONBLOCK might be used])
if test "$tst_compi_fcntl_o_nonblock" = "yes" &&
test "$tst_allow_fcntl_o_nonblock" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FCNTL_O_NONBLOCK, 1,
[Define to 1 if you have a working fcntl O_NONBLOCK function.])
ac_cv_func_fcntl_o_nonblock="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_fcntl_o_nonblock="no"
fi
])
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dnl CURL_CHECK_FUNC_FDOPEN
dnl -------------------------------------------------
dnl Verify if fdopen is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_fdopen, then
dnl HAVE_FDOPEN will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FDOPEN], [
AC_REQUIRE([CURL_INCLUDES_STDIO])dnl
#
tst_links_fdopen="unknown"
tst_proto_fdopen="unknown"
tst_compi_fdopen="unknown"
tst_allow_fdopen="unknown"
#
AC_MSG_CHECKING([if fdopen can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([fdopen])
],[
AC_MSG_RESULT([yes])
tst_links_fdopen="yes"
],[
AC_MSG_RESULT([no])
tst_links_fdopen="no"
])
#
if test "$tst_links_fdopen" = "yes"; then
AC_MSG_CHECKING([if fdopen is prototyped])
AC_EGREP_CPP([fdopen],[
$curl_includes_stdio
],[
AC_MSG_RESULT([yes])
tst_proto_fdopen="yes"
],[
AC_MSG_RESULT([no])
tst_proto_fdopen="no"
])
fi
#
if test "$tst_proto_fdopen" = "yes"; then
AC_MSG_CHECKING([if fdopen is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_stdio
]],[[
if(0 != fdopen(0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_fdopen="yes"
],[
AC_MSG_RESULT([no])
tst_compi_fdopen="no"
])
fi
#
if test "$tst_compi_fdopen" = "yes"; then
AC_MSG_CHECKING([if fdopen usage allowed])
if test "x$curl_disallow_fdopen" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_fdopen="yes"
else
AC_MSG_RESULT([no])
tst_allow_fdopen="no"
fi
fi
#
AC_MSG_CHECKING([if fdopen might be used])
if test "$tst_links_fdopen" = "yes" &&
test "$tst_proto_fdopen" = "yes" &&
test "$tst_compi_fdopen" = "yes" &&
test "$tst_allow_fdopen" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FDOPEN, 1,
[Define to 1 if you have the fdopen function.])
ac_cv_func_fdopen="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_fdopen="no"
fi
])
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dnl CURL_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 curl_disallow_freeaddrinfo, then
dnl HAVE_FREEADDRINFO will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FREEADDRINFO], [
AC_REQUIRE([CURL_INCLUDES_WS2TCPIP])dnl
AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl
AC_REQUIRE([CURL_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([[
$curl_includes_ws2tcpip
$curl_includes_sys_socket
$curl_includes_netdb
]],[[
freeaddrinfo(0);
]])
],[
AC_MSG_RESULT([yes])
tst_links_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_links_freeaddrinfo="no"
])
#
if test "$tst_links_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo is prototyped])
AC_EGREP_CPP([freeaddrinfo],[
$curl_includes_ws2tcpip
$curl_includes_sys_socket
$curl_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_proto_freeaddrinfo="no"
])
fi
#
if test "$tst_proto_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_ws2tcpip
$curl_includes_sys_socket
$curl_includes_netdb
]],[[
freeaddrinfo(0);
]])
],[
AC_MSG_RESULT([yes])
tst_compi_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_compi_freeaddrinfo="no"
])
fi
#
if test "$tst_compi_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo usage allowed])
if test "x$curl_disallow_freeaddrinfo" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_freeaddrinfo="yes"
else
AC_MSG_RESULT([no])
tst_allow_freeaddrinfo="no"
fi
fi
#
AC_MSG_CHECKING([if freeaddrinfo might be used])
if test "$tst_links_freeaddrinfo" = "yes" &&
test "$tst_proto_freeaddrinfo" = "yes" &&
test "$tst_compi_freeaddrinfo" = "yes" &&
test "$tst_allow_freeaddrinfo" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FREEADDRINFO, 1,
[Define to 1 if you have the freeaddrinfo function.])
ac_cv_func_freeaddrinfo="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_freeaddrinfo="no"
fi
])
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dnl CURL_CHECK_FUNC_FREEIFADDRS
dnl -------------------------------------------------
dnl Verify if freeifaddrs is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_freeifaddrs, then
dnl HAVE_FREEIFADDRS will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FREEIFADDRS], [
AC_REQUIRE([CURL_INCLUDES_IFADDRS])dnl
#
tst_links_freeifaddrs="unknown"
tst_proto_freeifaddrs="unknown"
tst_compi_freeifaddrs="unknown"
tst_allow_freeifaddrs="unknown"
#
AC_MSG_CHECKING([if freeifaddrs can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([freeifaddrs])
],[
AC_MSG_RESULT([yes])
tst_links_freeifaddrs="yes"
],[
AC_MSG_RESULT([no])
tst_links_freeifaddrs="no"
])
#
if test "$tst_links_freeifaddrs" = "yes"; then
AC_MSG_CHECKING([if freeifaddrs is prototyped])
AC_EGREP_CPP([freeifaddrs],[
$curl_includes_ifaddrs
],[
AC_MSG_RESULT([yes])
tst_proto_freeifaddrs="yes"
],[
AC_MSG_RESULT([no])
tst_proto_freeifaddrs="no"
])
fi
#
if test "$tst_proto_freeifaddrs" = "yes"; then
AC_MSG_CHECKING([if freeifaddrs is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_ifaddrs
]],[[
freeifaddrs(0);
]])
],[
AC_MSG_RESULT([yes])
tst_compi_freeifaddrs="yes"
],[
AC_MSG_RESULT([no])
tst_compi_freeifaddrs="no"
])
fi
#
if test "$tst_compi_freeifaddrs" = "yes"; then
AC_MSG_CHECKING([if freeifaddrs usage allowed])
if test "x$curl_disallow_freeifaddrs" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_freeifaddrs="yes"
else
AC_MSG_RESULT([no])
tst_allow_freeifaddrs="no"
fi
fi
#
AC_MSG_CHECKING([if freeifaddrs might be used])
if test "$tst_links_freeifaddrs" = "yes" &&
test "$tst_proto_freeifaddrs" = "yes" &&
test "$tst_compi_freeifaddrs" = "yes" &&
test "$tst_allow_freeifaddrs" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FREEIFADDRS, 1,
[Define to 1 if you have the freeifaddrs function.])
ac_cv_func_freeifaddrs="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_freeifaddrs="no"
fi
])
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dnl CURL_CHECK_FUNC_FTRUNCATE
dnl -------------------------------------------------
dnl Verify if ftruncate is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_ftruncate, then
dnl HAVE_FTRUNCATE will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FTRUNCATE], [
AC_REQUIRE([CURL_INCLUDES_UNISTD])dnl
#
tst_links_ftruncate="unknown"
tst_proto_ftruncate="unknown"
tst_compi_ftruncate="unknown"
tst_allow_ftruncate="unknown"
#
AC_MSG_CHECKING([if ftruncate can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([ftruncate])
],[
AC_MSG_RESULT([yes])
tst_links_ftruncate="yes"
],[
AC_MSG_RESULT([no])
tst_links_ftruncate="no"
])
#
if test "$tst_links_ftruncate" = "yes"; then
AC_MSG_CHECKING([if ftruncate is prototyped])
AC_EGREP_CPP([ftruncate],[
$curl_includes_unistd
],[
AC_MSG_RESULT([yes])
tst_proto_ftruncate="yes"
],[
AC_MSG_RESULT([no])
tst_proto_ftruncate="no"
])
fi
#
if test "$tst_proto_ftruncate" = "yes"; then
AC_MSG_CHECKING([if ftruncate is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_unistd
]],[[
if(0 != ftruncate(0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_ftruncate="yes"
],[
AC_MSG_RESULT([no])
tst_compi_ftruncate="no"
])
fi
#
if test "$tst_compi_ftruncate" = "yes"; then
AC_MSG_CHECKING([if ftruncate usage allowed])
if test "x$curl_disallow_ftruncate" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_ftruncate="yes"
else
AC_MSG_RESULT([no])
tst_allow_ftruncate="no"
fi
fi
#
AC_MSG_CHECKING([if ftruncate might be used])
if test "$tst_links_ftruncate" = "yes" &&
test "$tst_proto_ftruncate" = "yes" &&
test "$tst_compi_ftruncate" = "yes" &&
test "$tst_allow_ftruncate" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FTRUNCATE, 1,
[Define to 1 if you have the ftruncate function.])
ac_cv_func_ftruncate="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_ftruncate="no"
fi
])
dnl CURL_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