| #*************************************************************************** | 
 | #                                  _   _ ____  _ | 
 | #  Project                     ___| | | |  _ \| | | 
 | #                             / __| | | | |_) | | | 
 | #                            | (__| |_| |  _ <| |___ | 
 | #                             \___|\___/|_| \_\_____| | 
 | # | 
 | # Copyright (C) 1998 - 2016, 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 https://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. | 
 | # | 
 | #*************************************************************************** | 
 |  | 
 | # File version for 'aclocal' use. Keep it a single number. | 
 | # serial 73 | 
 |  | 
 |  | 
 | 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 | 
 | #ifdef HAVE_WINSOCK2_H | 
 | #include <winsock2.h> | 
 | #include <ws2tcpip.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h sys/socket.h netinet/in.h arpa/inet.h, | 
 |     [], [], [$curl_includes_arpa_inet]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_FCNTL | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when fcntl.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_FCNTL], [ | 
 | curl_includes_fcntl="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_UNISTD_H | 
 | #  include <unistd.h> | 
 | #endif | 
 | #ifdef HAVE_FCNTL_H | 
 | #  include <fcntl.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h unistd.h fcntl.h, | 
 |     [], [], [$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_INTTYPES | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when inttypes.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_INTTYPES], [ | 
 | curl_includes_inttypes="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | # include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_STDINT_H | 
 | # include <stdint.h> | 
 | #endif | 
 | #ifdef HAVE_INTTYPES_H | 
 | # include <inttypes.h> | 
 | #endif | 
 | /* includes end */" | 
 |   case $host_os in | 
 |     irix*) | 
 |       ac_cv_header_stdint_h="no" | 
 |       ;; | 
 |   esac | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h stdint.h inttypes.h, | 
 |     [], [], [$curl_includes_inttypes]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_LIBGEN | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when libgen.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_LIBGEN], [ | 
 | curl_includes_libgen="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_LIBGEN_H | 
 | #  include <libgen.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h libgen.h, | 
 |     [], [], [$curl_includes_libgen]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_NETDB | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when netdb.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_NETDB], [ | 
 | curl_includes_netdb="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_NETDB_H | 
 | #  include <netdb.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h netdb.h, | 
 |     [], [], [$curl_includes_netdb]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_POLL | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when poll.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_POLL], [ | 
 | curl_includes_poll="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_POLL_H | 
 | #  include <poll.h> | 
 | #endif | 
 | #ifdef HAVE_SYS_POLL_H | 
 | #  include <sys/poll.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h poll.h sys/poll.h, | 
 |     [], [], [$curl_includes_poll]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_SETJMP | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when setjmp.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_SETJMP], [ | 
 | curl_includes_setjmp="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_SETJMP_H | 
 | #  include <setjmp.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h setjmp.h, | 
 |     [], [], [$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, | 
 |     [], [], [$curl_includes_signal]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_SOCKET | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when socket.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_SOCKET], [ | 
 | curl_includes_socket="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_SOCKET_H | 
 | #  include <socket.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h socket.h, | 
 |     [], [], [$curl_includes_socket]) | 
 | ]) | 
 |  | 
 |  | 
 | 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 | 
 | dnl included when string(s).h is to be included. | 
 |  | 
 | 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( | 
 |     sys/types.h string.h strings.h, | 
 |     [], [], [$curl_includes_string]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_STROPTS | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when stropts.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_STROPTS], [ | 
 | curl_includes_stropts="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_UNISTD_H | 
 | #  include <unistd.h> | 
 | #endif | 
 | #ifdef HAVE_SYS_SOCKET_H | 
 | #  include <sys/socket.h> | 
 | #endif | 
 | #ifdef HAVE_SYS_IOCTL_H | 
 | #  include <sys/ioctl.h> | 
 | #endif | 
 | #ifdef HAVE_STROPTS_H | 
 | #  include <stropts.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h unistd.h sys/socket.h sys/ioctl.h stropts.h, | 
 |     [], [], [$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, | 
 |     [], [], [$curl_includes_sys_socket]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_SYS_TYPES | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when sys/types.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_SYS_TYPES], [ | 
 | curl_includes_sys_types="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h, | 
 |     [], [], [$curl_includes_sys_types]) | 
 | ]) | 
 |  | 
 |  | 
 | 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, | 
 |     [], [], [$curl_includes_sys_uio]) | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_INCLUDES_SYS_XATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with list of headers that must be | 
 | dnl included when sys/xattr.h is to be included. | 
 |  | 
 | AC_DEFUN([CURL_INCLUDES_SYS_XATTR], [ | 
 | curl_includes_sys_xattr="\ | 
 | /* includes start */ | 
 | #ifdef HAVE_SYS_TYPES_H | 
 | #  include <sys/types.h> | 
 | #endif | 
 | #ifdef HAVE_SYS_XATTR_H | 
 | #  include <sys/xattr.h> | 
 | #endif | 
 | /* includes end */" | 
 |   AC_CHECK_HEADERS( | 
 |     sys/types.h sys/xattr.h, | 
 |     [], [], [$curl_includes_sys_xattr]) | 
 | ]) | 
 |  | 
 | 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]) | 
 | ]) | 
 |  | 
 |  | 
 | 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 | 
 | ]) | 
 |  | 
 |  | 
 | 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 | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_PREPROCESS_CALLCONV | 
 | dnl ------------------------------------------------- | 
 | dnl Set up variable with a preprocessor block which | 
 | dnl defines function calling convention. | 
 |  | 
 | AC_DEFUN([CURL_PREPROCESS_CALLCONV], [ | 
 | curl_preprocess_callconv="\ | 
 | /* preprocess start */ | 
 | #ifdef HAVE_WINDOWS_H | 
 | #  define FUNCALLCONV __stdcall | 
 | #else | 
 | #  define FUNCALLCONV | 
 | #endif | 
 | /* preprocess end */" | 
 | ]) | 
 |  | 
 |  | 
 | 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 "$tst_allow_alarm" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_ALARM, 1, | 
 |       [Define to 1 if you have the alarm function.]) | 
 |     curl_cv_func_alarm="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_alarm="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_BASENAME | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if basename is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_basename, then | 
 | dnl HAVE_BASENAME will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_BASENAME], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_LIBGEN])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_UNISTD])dnl | 
 |   # | 
 |   tst_links_basename="unknown" | 
 |   tst_proto_basename="unknown" | 
 |   tst_compi_basename="unknown" | 
 |   tst_allow_basename="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if basename can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([basename]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_basename="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_basename="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_basename" = "yes"; then | 
 |     AC_MSG_CHECKING([if basename is prototyped]) | 
 |     AC_EGREP_CPP([basename],[ | 
 |       $curl_includes_string | 
 |       $curl_includes_libgen | 
 |       $curl_includes_unistd | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_basename="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_basename="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_basename" = "yes"; then | 
 |     AC_MSG_CHECKING([if basename is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |         $curl_includes_libgen | 
 |         $curl_includes_unistd | 
 |       ]],[[ | 
 |         if(0 != basename(0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_basename="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_basename="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_basename" = "yes"; then | 
 |     AC_MSG_CHECKING([if basename usage allowed]) | 
 |     if test "x$curl_disallow_basename" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_basename="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_basename="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if basename might be used]) | 
 |   if test "$tst_links_basename" = "yes" && | 
 |      test "$tst_proto_basename" = "yes" && | 
 |      test "$tst_compi_basename" = "yes" && | 
 |      test "$tst_allow_basename" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_BASENAME, 1, | 
 |       [Define to 1 if you have the basename function.]) | 
 |     curl_cv_func_basename="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_basename="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_CLOSESOCKET | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if closesocket 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_closesocket, then | 
 | dnl HAVE_CLOSESOCKET will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_CLOSESOCKET], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SOCKET])dnl | 
 |   # | 
 |   tst_links_closesocket="unknown" | 
 |   tst_proto_closesocket="unknown" | 
 |   tst_compi_closesocket="unknown" | 
 |   tst_allow_closesocket="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if closesocket can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_socket | 
 |     ]],[[ | 
 |       if(0 != closesocket(0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_closesocket="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_closesocket="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_closesocket" = "yes"; then | 
 |     AC_MSG_CHECKING([if closesocket is prototyped]) | 
 |     AC_EGREP_CPP([closesocket],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_socket | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_closesocket="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_closesocket="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_closesocket" = "yes"; then | 
 |     AC_MSG_CHECKING([if closesocket is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_socket | 
 |       ]],[[ | 
 |         if(0 != closesocket(0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_closesocket="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_closesocket="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_closesocket" = "yes"; then | 
 |     AC_MSG_CHECKING([if closesocket usage allowed]) | 
 |     if test "x$curl_disallow_closesocket" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_closesocket="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_closesocket="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if closesocket might be used]) | 
 |   if test "$tst_links_closesocket" = "yes" && | 
 |      test "$tst_proto_closesocket" = "yes" && | 
 |      test "$tst_compi_closesocket" = "yes" && | 
 |      test "$tst_allow_closesocket" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_CLOSESOCKET, 1, | 
 |       [Define to 1 if you have the closesocket function.]) | 
 |     curl_cv_func_closesocket="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_closesocket="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_CLOSESOCKET_CAMEL | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if CloseSocket 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_closesocket_camel, | 
 | dnl then HAVE_CLOSESOCKET_CAMEL will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_CLOSESOCKET_CAMEL], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl | 
 |   # | 
 |   tst_links_closesocket_camel="unknown" | 
 |   tst_proto_closesocket_camel="unknown" | 
 |   tst_compi_closesocket_camel="unknown" | 
 |   tst_allow_closesocket_camel="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if CloseSocket can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_sys_socket | 
 |     ]],[[ | 
 |       if(0 != CloseSocket(0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_closesocket_camel="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_closesocket_camel="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_closesocket_camel" = "yes"; then | 
 |     AC_MSG_CHECKING([if CloseSocket is prototyped]) | 
 |     AC_EGREP_CPP([CloseSocket],[ | 
 |       $curl_includes_sys_socket | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_closesocket_camel="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_closesocket_camel="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_closesocket_camel" = "yes"; then | 
 |     AC_MSG_CHECKING([if CloseSocket is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_sys_socket | 
 |       ]],[[ | 
 |         if(0 != CloseSocket(0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_closesocket_camel="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_closesocket_camel="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_closesocket_camel" = "yes"; then | 
 |     AC_MSG_CHECKING([if CloseSocket usage allowed]) | 
 |     if test "x$curl_disallow_closesocket_camel" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_closesocket_camel="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_closesocket_camel="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if CloseSocket might be used]) | 
 |   if test "$tst_links_closesocket_camel" = "yes" && | 
 |      test "$tst_proto_closesocket_camel" = "yes" && | 
 |      test "$tst_compi_closesocket_camel" = "yes" && | 
 |      test "$tst_allow_closesocket_camel" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_CLOSESOCKET_CAMEL, 1, | 
 |       [Define to 1 if you have the CloseSocket camel case function.]) | 
 |     curl_cv_func_closesocket_camel="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_closesocket_camel="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_CONNECT | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if connect 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_connect, then | 
 | dnl HAVE_CONNECT will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_CONNECT], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SOCKET])dnl | 
 |   # | 
 |   tst_links_connect="unknown" | 
 |   tst_proto_connect="unknown" | 
 |   tst_compi_connect="unknown" | 
 |   tst_allow_connect="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if connect can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_sys_socket | 
 |       $curl_includes_socket | 
 |     ]],[[ | 
 |       if(0 != connect(0, 0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_connect="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_connect="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_connect" = "yes"; then | 
 |     AC_MSG_CHECKING([if connect is prototyped]) | 
 |     AC_EGREP_CPP([connect],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_sys_socket | 
 |       $curl_includes_socket | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_connect="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_connect="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_connect" = "yes"; then | 
 |     AC_MSG_CHECKING([if connect is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_sys_socket | 
 |         $curl_includes_socket | 
 |       ]],[[ | 
 |         if(0 != connect(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_connect="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_connect="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_connect" = "yes"; then | 
 |     AC_MSG_CHECKING([if connect usage allowed]) | 
 |     if test "x$curl_disallow_connect" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_connect="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_connect="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if connect might be used]) | 
 |   if test "$tst_links_connect" = "yes" && | 
 |      test "$tst_proto_connect" = "yes" && | 
 |      test "$tst_compi_connect" = "yes" && | 
 |      test "$tst_allow_connect" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_CONNECT, 1, | 
 |       [Define to 1 if you have the connect function.]) | 
 |     curl_cv_func_connect="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_connect="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FCNTL | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if fcntl is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_fcntl, then | 
 | dnl HAVE_FCNTL will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FCNTL], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_FCNTL])dnl | 
 |   # | 
 |   tst_links_fcntl="unknown" | 
 |   tst_proto_fcntl="unknown" | 
 |   tst_compi_fcntl="unknown" | 
 |   tst_allow_fcntl="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if fcntl can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([fcntl]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_fcntl="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_fcntl="no" | 
 |   ]) | 
 |   # | 
 |   if test "$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.]) | 
 |     curl_cv_func_fcntl="yes" | 
 |     CURL_CHECK_FUNC_FCNTL_O_NONBLOCK | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_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 $host_os in | 
 |     sunos4* | aix3* | beos*) | 
 |       dnl O_NONBLOCK does not work on these platforms | 
 |       curl_disallow_fcntl_o_nonblock="yes" | 
 |       ;; | 
 |   esac | 
 |   # | 
 |   if test "$curl_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 "$tst_allow_fcntl_o_nonblock" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FCNTL_O_NONBLOCK, 1, | 
 |       [Define to 1 if you have a working fcntl O_NONBLOCK function.]) | 
 |     curl_cv_func_fcntl_o_nonblock="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_fcntl_o_nonblock="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FDOPEN | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if fdopen is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_fdopen, then | 
 | dnl HAVE_FDOPEN will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FDOPEN], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDIO])dnl | 
 |   # | 
 |   tst_links_fdopen="unknown" | 
 |   tst_proto_fdopen="unknown" | 
 |   tst_compi_fdopen="unknown" | 
 |   tst_allow_fdopen="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if fdopen can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([fdopen]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_fdopen="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_fdopen="no" | 
 |   ]) | 
 |   # | 
 |   if test "$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 "$tst_allow_fdopen" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FDOPEN, 1, | 
 |       [Define to 1 if you have the fdopen function.]) | 
 |     curl_cv_func_fdopen="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_fdopen="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FGETXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if fgetxattr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_fgetxattr, then | 
 | dnl HAVE_FGETXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FGETXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_fgetxattr="unknown" | 
 |   tst_proto_fgetxattr="unknown" | 
 |   tst_compi_fgetxattr="unknown" | 
 |   tst_allow_fgetxattr="unknown" | 
 |   tst_nargs_fgetxattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if fgetxattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([fgetxattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_fgetxattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_fgetxattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_fgetxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if fgetxattr is prototyped]) | 
 |     AC_EGREP_CPP([fgetxattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_fgetxattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_fgetxattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_fgetxattr" = "yes"; then | 
 |     if test "$tst_nargs_fgetxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if fgetxattr takes 4 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != fgetxattr(0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_fgetxattr="yes" | 
 |         tst_nargs_fgetxattr="4" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_fgetxattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_fgetxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if fgetxattr takes 6 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != fgetxattr(0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_fgetxattr="yes" | 
 |         tst_nargs_fgetxattr="6" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_fgetxattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if fgetxattr is compilable]) | 
 |     if test "$tst_compi_fgetxattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_fgetxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if fgetxattr usage allowed]) | 
 |     if test "x$curl_disallow_fgetxattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_fgetxattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_fgetxattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if fgetxattr might be used]) | 
 |   if test "$tst_links_fgetxattr" = "yes" && | 
 |      test "$tst_proto_fgetxattr" = "yes" && | 
 |      test "$tst_compi_fgetxattr" = "yes" && | 
 |      test "$tst_allow_fgetxattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FGETXATTR, 1, | 
 |       [Define to 1 if you have the fgetxattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(FGETXATTR_ARGS, $tst_nargs_fgetxattr, | 
 |     dnl   [Specifies the number of arguments to fgetxattr]) | 
 |     # | 
 |     if test "$tst_nargs_fgetxattr" -eq "4"; then | 
 |       AC_DEFINE(HAVE_FGETXATTR_4, 1, [fgetxattr() takes 4 args]) | 
 |     elif test "$tst_nargs_fgetxattr" -eq "6"; then | 
 |       AC_DEFINE(HAVE_FGETXATTR_6, 1, [fgetxattr() takes 6 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_fgetxattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_fgetxattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FLISTXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if flistxattr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_flistxattr, then | 
 | dnl HAVE_FLISTXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FLISTXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_flistxattr="unknown" | 
 |   tst_proto_flistxattr="unknown" | 
 |   tst_compi_flistxattr="unknown" | 
 |   tst_allow_flistxattr="unknown" | 
 |   tst_nargs_flistxattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if flistxattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([flistxattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_flistxattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_flistxattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_flistxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if flistxattr is prototyped]) | 
 |     AC_EGREP_CPP([flistxattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_flistxattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_flistxattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_flistxattr" = "yes"; then | 
 |     if test "$tst_nargs_flistxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if flistxattr takes 3 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != flistxattr(0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_flistxattr="yes" | 
 |         tst_nargs_flistxattr="3" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_flistxattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_flistxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if flistxattr takes 4 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != flistxattr(0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_flistxattr="yes" | 
 |         tst_nargs_flistxattr="4" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_flistxattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if flistxattr is compilable]) | 
 |     if test "$tst_compi_flistxattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_flistxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if flistxattr usage allowed]) | 
 |     if test "x$curl_disallow_flistxattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_flistxattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_flistxattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if flistxattr might be used]) | 
 |   if test "$tst_links_flistxattr" = "yes" && | 
 |      test "$tst_proto_flistxattr" = "yes" && | 
 |      test "$tst_compi_flistxattr" = "yes" && | 
 |      test "$tst_allow_flistxattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FLISTXATTR, 1, | 
 |       [Define to 1 if you have the flistxattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(FLISTXATTR_ARGS, $tst_nargs_flistxattr, | 
 |     dnl   [Specifies the number of arguments to flistxattr]) | 
 |     # | 
 |     if test "$tst_nargs_flistxattr" -eq "3"; then | 
 |       AC_DEFINE(HAVE_FLISTXATTR_3, 1, [flistxattr() takes 3 args]) | 
 |     elif test "$tst_nargs_flistxattr" -eq "4"; then | 
 |       AC_DEFINE(HAVE_FLISTXATTR_4, 1, [flistxattr() takes 4 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_flistxattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_flistxattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | 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 "$tst_allow_freeaddrinfo" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FREEADDRINFO, 1, | 
 |       [Define to 1 if you have the freeaddrinfo function.]) | 
 |     curl_cv_func_freeaddrinfo="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_freeaddrinfo="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FREEIFADDRS | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if freeifaddrs is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_freeifaddrs, then | 
 | dnl HAVE_FREEIFADDRS will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FREEIFADDRS], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_IFADDRS])dnl | 
 |   # | 
 |   tst_links_freeifaddrs="unknown" | 
 |   tst_proto_freeifaddrs="unknown" | 
 |   tst_compi_freeifaddrs="unknown" | 
 |   tst_allow_freeifaddrs="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if freeifaddrs can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([freeifaddrs]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_freeifaddrs="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_freeifaddrs="no" | 
 |   ]) | 
 |   # | 
 |   if test "$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 "$tst_allow_freeifaddrs" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FREEIFADDRS, 1, | 
 |       [Define to 1 if you have the freeifaddrs function.]) | 
 |     curl_cv_func_freeifaddrs="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_freeifaddrs="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FREMOVEXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if fremovexattr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_fremovexattr, then | 
 | dnl HAVE_FREMOVEXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FREMOVEXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_fremovexattr="unknown" | 
 |   tst_proto_fremovexattr="unknown" | 
 |   tst_compi_fremovexattr="unknown" | 
 |   tst_allow_fremovexattr="unknown" | 
 |   tst_nargs_fremovexattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if fremovexattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([fremovexattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_fremovexattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_fremovexattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_fremovexattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if fremovexattr is prototyped]) | 
 |     AC_EGREP_CPP([fremovexattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_fremovexattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_fremovexattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_fremovexattr" = "yes"; then | 
 |     if test "$tst_nargs_fremovexattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if fremovexattr takes 2 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != fremovexattr(0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_fremovexattr="yes" | 
 |         tst_nargs_fremovexattr="2" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_fremovexattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_fremovexattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if fremovexattr takes 3 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != fremovexattr(0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_fremovexattr="yes" | 
 |         tst_nargs_fremovexattr="3" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_fremovexattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if fremovexattr is compilable]) | 
 |     if test "$tst_compi_fremovexattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_fremovexattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if fremovexattr usage allowed]) | 
 |     if test "x$curl_disallow_fremovexattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_fremovexattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_fremovexattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if fremovexattr might be used]) | 
 |   if test "$tst_links_fremovexattr" = "yes" && | 
 |      test "$tst_proto_fremovexattr" = "yes" && | 
 |      test "$tst_compi_fremovexattr" = "yes" && | 
 |      test "$tst_allow_fremovexattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FREMOVEXATTR, 1, | 
 |       [Define to 1 if you have the fremovexattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(FREMOVEXATTR_ARGS, $tst_nargs_fremovexattr, | 
 |     dnl   [Specifies the number of arguments to fremovexattr]) | 
 |     # | 
 |     if test "$tst_nargs_fremovexattr" -eq "2"; then | 
 |       AC_DEFINE(HAVE_FREMOVEXATTR_2, 1, [fremovexattr() takes 2 args]) | 
 |     elif test "$tst_nargs_fremovexattr" -eq "3"; then | 
 |       AC_DEFINE(HAVE_FREMOVEXATTR_3, 1, [fremovexattr() takes 3 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_fremovexattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_fremovexattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FSETXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if fsetxattr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_fsetxattr, then | 
 | dnl HAVE_FSETXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FSETXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_fsetxattr="unknown" | 
 |   tst_proto_fsetxattr="unknown" | 
 |   tst_compi_fsetxattr="unknown" | 
 |   tst_allow_fsetxattr="unknown" | 
 |   tst_nargs_fsetxattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if fsetxattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([fsetxattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_fsetxattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_fsetxattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_fsetxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if fsetxattr is prototyped]) | 
 |     AC_EGREP_CPP([fsetxattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_fsetxattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_fsetxattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_fsetxattr" = "yes"; then | 
 |     if test "$tst_nargs_fsetxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if fsetxattr takes 5 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != fsetxattr(0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_fsetxattr="yes" | 
 |         tst_nargs_fsetxattr="5" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_fsetxattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_fsetxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if fsetxattr takes 6 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != fsetxattr(0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_fsetxattr="yes" | 
 |         tst_nargs_fsetxattr="6" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_fsetxattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if fsetxattr is compilable]) | 
 |     if test "$tst_compi_fsetxattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_fsetxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if fsetxattr usage allowed]) | 
 |     if test "x$curl_disallow_fsetxattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_fsetxattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_fsetxattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if fsetxattr might be used]) | 
 |   if test "$tst_links_fsetxattr" = "yes" && | 
 |      test "$tst_proto_fsetxattr" = "yes" && | 
 |      test "$tst_compi_fsetxattr" = "yes" && | 
 |      test "$tst_allow_fsetxattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_FSETXATTR, 1, | 
 |       [Define to 1 if you have the fsetxattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(FSETXATTR_ARGS, $tst_nargs_fsetxattr, | 
 |     dnl   [Specifies the number of arguments to fsetxattr]) | 
 |     # | 
 |     if test "$tst_nargs_fsetxattr" -eq "5"; then | 
 |       AC_DEFINE(HAVE_FSETXATTR_5, 1, [fsetxattr() takes 5 args]) | 
 |     elif test "$tst_nargs_fsetxattr" -eq "6"; then | 
 |       AC_DEFINE(HAVE_FSETXATTR_6, 1, [fsetxattr() takes 6 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_fsetxattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_fsetxattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_FTRUNCATE | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if ftruncate is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_ftruncate, then | 
 | dnl HAVE_FTRUNCATE will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_FTRUNCATE], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_UNISTD])dnl | 
 |   # | 
 |   tst_links_ftruncate="unknown" | 
 |   tst_proto_ftruncate="unknown" | 
 |   tst_compi_ftruncate="unknown" | 
 |   tst_allow_ftruncate="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if ftruncate can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([ftruncate]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_ftruncate="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_ftruncate="no" | 
 |   ]) | 
 |   # | 
 |   if test "$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.]) | 
 |     curl_cv_func_ftruncate="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_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 | 
 | dnl with shell variable curl_disallow_getaddrinfo, then | 
 | dnl HAVE_GETADDRINFO will be defined. Additionally when | 
 | dnl HAVE_GETADDRINFO gets defined this will also attempt | 
 | dnl to find out if getaddrinfo happens to be threadsafe, | 
 | dnl defining HAVE_GETADDRINFO_THREADSAFE when true. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETADDRINFO], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WS2TCPIP])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_NETDB])dnl | 
 |   AC_REQUIRE([CURL_CHECK_NATIVE_WINDOWS])dnl | 
 |   # | 
 |   tst_links_getaddrinfo="unknown" | 
 |   tst_proto_getaddrinfo="unknown" | 
 |   tst_compi_getaddrinfo="unknown" | 
 |   tst_works_getaddrinfo="unknown" | 
 |   tst_allow_getaddrinfo="unknown" | 
 |   tst_tsafe_getaddrinfo="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if getaddrinfo can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_ws2tcpip | 
 |       $curl_includes_sys_socket | 
 |       $curl_includes_netdb | 
 |     ]],[[ | 
 |       if(0 != getaddrinfo(0, 0, 0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_getaddrinfo="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_getaddrinfo="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_getaddrinfo" = "yes"; then | 
 |     AC_MSG_CHECKING([if getaddrinfo is prototyped]) | 
 |     AC_EGREP_CPP([getaddrinfo],[ | 
 |       $curl_includes_ws2tcpip | 
 |       $curl_includes_sys_socket | 
 |       $curl_includes_netdb | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_getaddrinfo="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_getaddrinfo="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_getaddrinfo" = "yes"; then | 
 |     AC_MSG_CHECKING([if getaddrinfo is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_ws2tcpip | 
 |         $curl_includes_sys_socket | 
 |         $curl_includes_netdb | 
 |       ]],[[ | 
 |         if(0 != getaddrinfo(0, 0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_getaddrinfo="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_getaddrinfo="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_compi_getaddrinfo" = "yes"; then | 
 |     AC_MSG_CHECKING([if getaddrinfo seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_ws2tcpip | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_string | 
 |         $curl_includes_sys_socket | 
 |         $curl_includes_netdb | 
 |       ]],[[ | 
 |         struct addrinfo hints; | 
 |         struct addrinfo *ai = 0; | 
 |         int error; | 
 |  | 
 |         #ifdef HAVE_WINSOCK2_H | 
 |         WSADATA wsa; | 
 |         if (WSAStartup(MAKEWORD(2,2), &wsa)) | 
 |                 exit(2); | 
 |         #endif | 
 |  | 
 |         memset(&hints, 0, sizeof(hints)); | 
 |         hints.ai_flags = AI_NUMERICHOST; | 
 |         hints.ai_family = AF_UNSPEC; | 
 |         hints.ai_socktype = SOCK_STREAM; | 
 |         error = getaddrinfo("127.0.0.1", 0, &hints, &ai); | 
 |         if(error || !ai) | 
 |           exit(1); /* fail */ | 
 |         else | 
 |           exit(0); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_getaddrinfo="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_getaddrinfo="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_getaddrinfo" = "yes" && | 
 |     test "$tst_works_getaddrinfo" != "no"; then | 
 |     AC_MSG_CHECKING([if getaddrinfo usage allowed]) | 
 |     if test "x$curl_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 "$tst_works_getaddrinfo" != "no"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETADDRINFO, 1, | 
 |       [Define to 1 if you have a working getaddrinfo function.]) | 
 |     curl_cv_func_getaddrinfo="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_getaddrinfo="no" | 
 |     curl_cv_func_getaddrinfo_threadsafe="no" | 
 |   fi | 
 |   # | 
 |   if test "$curl_cv_func_getaddrinfo" = "yes"; then | 
 |     AC_MSG_CHECKING([if getaddrinfo is threadsafe]) | 
 |     case $host_os in | 
 |       aix[[1234]].* | aix5.[[01]].*) | 
 |         dnl aix 5.1 and older | 
 |         tst_tsafe_getaddrinfo="no" | 
 |         ;; | 
 |       aix*) | 
 |         dnl aix 5.2 and newer | 
 |         tst_tsafe_getaddrinfo="yes" | 
 |         ;; | 
 |       darwin[[12345]].*) | 
 |         dnl darwin 5.0 and mac os x 10.1.X and older | 
 |         tst_tsafe_getaddrinfo="no" | 
 |         ;; | 
 |       darwin*) | 
 |         dnl darwin 6.0 and mac os x 10.2.X and newer | 
 |         tst_tsafe_getaddrinfo="yes" | 
 |         ;; | 
 |       freebsd[[1234]].* | freebsd5.[[1234]]*) | 
 |         dnl freebsd 5.4 and older | 
 |         tst_tsafe_getaddrinfo="no" | 
 |         ;; | 
 |       freebsd*) | 
 |         dnl freebsd 5.5 and newer | 
 |         tst_tsafe_getaddrinfo="yes" | 
 |         ;; | 
 |       hpux[[123456789]].* | hpux10.* | hpux11.0* | hpux11.10*) | 
 |         dnl hpux 11.10 and older | 
 |         tst_tsafe_getaddrinfo="no" | 
 |         ;; | 
 |       hpux*) | 
 |         dnl hpux 11.11 and newer | 
 |         tst_tsafe_getaddrinfo="yes" | 
 |         ;; | 
 |       netbsd[[123]].*) | 
 |         dnl netbsd 3.X and older | 
 |         tst_tsafe_getaddrinfo="no" | 
 |         ;; | 
 |       netbsd*) | 
 |         dnl netbsd 4.X and newer | 
 |         tst_tsafe_getaddrinfo="yes" | 
 |         ;; | 
 |       *bsd*) | 
 |         dnl All other bsd's | 
 |         tst_tsafe_getaddrinfo="no" | 
 |         ;; | 
 |       solaris2*) | 
 |         dnl solaris which have it | 
 |         tst_tsafe_getaddrinfo="yes" | 
 |         ;; | 
 |     esac | 
 |     if test "$tst_tsafe_getaddrinfo" = "unknown" && | 
 |        test "$curl_cv_native_windows" = "yes"; then | 
 |       tst_tsafe_getaddrinfo="yes" | 
 |     fi | 
 |     if test "$tst_tsafe_getaddrinfo" = "unknown"; then | 
 |       CURL_CHECK_DEF_CC([h_errno], [ | 
 |         $curl_includes_sys_socket | 
 |         $curl_includes_netdb | 
 |         ], [silent]) | 
 |       if test "$curl_cv_have_def_h_errno" = "yes"; then | 
 |         tst_h_errno_macro="yes" | 
 |       else | 
 |         tst_h_errno_macro="no" | 
 |       fi | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_socket | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           h_errno = 2; | 
 |           if(0 != h_errno) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         tst_h_errno_modifiable_lvalue="yes" | 
 |       ],[ | 
 |         tst_h_errno_modifiable_lvalue="no" | 
 |       ]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |         ]],[[ | 
 | #if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200809L) | 
 |           return 0; | 
 | #elif defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 700) | 
 |           return 0; | 
 | #else | 
 |           force compilation error | 
 | #endif | 
 |         ]]) | 
 |       ],[ | 
 |         tst_h_errno_sbs_issue_7="yes" | 
 |       ],[ | 
 |         tst_h_errno_sbs_issue_7="no" | 
 |       ]) | 
 |       if test "$tst_h_errno_macro" = "no" && | 
 |          test "$tst_h_errno_modifiable_lvalue" = "no" && | 
 |          test "$tst_h_errno_sbs_issue_7" = "no"; then | 
 |         tst_tsafe_getaddrinfo="no" | 
 |       else | 
 |         tst_tsafe_getaddrinfo="yes" | 
 |       fi | 
 |     fi | 
 |     AC_MSG_RESULT([$tst_tsafe_getaddrinfo]) | 
 |     if test "$tst_tsafe_getaddrinfo" = "yes"; then | 
 |       AC_DEFINE_UNQUOTED(HAVE_GETADDRINFO_THREADSAFE, 1, | 
 |         [Define to 1 if the getaddrinfo function is threadsafe.]) | 
 |       curl_cv_func_getaddrinfo_threadsafe="yes" | 
 |     else | 
 |       curl_cv_func_getaddrinfo_threadsafe="no" | 
 |     fi | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GETHOSTBYADDR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if gethostbyaddr 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_gethostbyaddr, then | 
 | dnl HAVE_GETHOSTBYADDR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETHOSTBYADDR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_NETDB])dnl | 
 |   # | 
 |   tst_links_gethostbyaddr="unknown" | 
 |   tst_proto_gethostbyaddr="unknown" | 
 |   tst_compi_gethostbyaddr="unknown" | 
 |   tst_allow_gethostbyaddr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyaddr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_netdb | 
 |     ]],[[ | 
 |       if(0 != gethostbyaddr(0, 0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_gethostbyaddr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_gethostbyaddr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_gethostbyaddr" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyaddr is prototyped]) | 
 |     AC_EGREP_CPP([gethostbyaddr],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_netdb | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_gethostbyaddr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_gethostbyaddr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_gethostbyaddr" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyaddr is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_netdb | 
 |       ]],[[ | 
 |         if(0 != gethostbyaddr(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_gethostbyaddr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_gethostbyaddr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gethostbyaddr" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyaddr usage allowed]) | 
 |     if test "x$curl_disallow_gethostbyaddr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_gethostbyaddr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_gethostbyaddr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyaddr might be used]) | 
 |   if test "$tst_links_gethostbyaddr" = "yes" && | 
 |      test "$tst_proto_gethostbyaddr" = "yes" && | 
 |      test "$tst_compi_gethostbyaddr" = "yes" && | 
 |      test "$tst_allow_gethostbyaddr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYADDR, 1, | 
 |       [Define to 1 if you have the gethostbyaddr function.]) | 
 |     curl_cv_func_gethostbyaddr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_gethostbyaddr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 | dnl CURL_CHECK_FUNC_GAI_STRERROR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if gai_strerror 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_gai_strerror, then | 
 | dnl HAVE_GAI_STRERROR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GAI_STRERROR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_NETDB])dnl | 
 |   # | 
 |   tst_links_gai_strerror="unknown" | 
 |   tst_proto_gai_strerror="unknown" | 
 |   tst_compi_gai_strerror="unknown" | 
 |   tst_allow_gai_strerror="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if gai_strerror can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_netdb | 
 |     ]],[[ | 
 |       if(0 != gai_strerror(0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_gai_strerror="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_gai_strerror="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_gai_strerror" = "yes"; then | 
 |     AC_MSG_CHECKING([if gai_strerror is prototyped]) | 
 |     AC_EGREP_CPP([gai_strerror],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_netdb | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_gai_strerror="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_gai_strerror="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_gai_strerror" = "yes"; then | 
 |     AC_MSG_CHECKING([if gai_strerror is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_netdb | 
 |       ]],[[ | 
 |         if(0 != gai_strerror(0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_gai_strerror="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_gai_strerror="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gai_strerror" = "yes"; then | 
 |     AC_MSG_CHECKING([if gai_strerror usage allowed]) | 
 |     if test "x$curl_disallow_gai_strerror" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_gai_strerror="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_gai_strerror="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if gai_strerror might be used]) | 
 |   if test "$tst_links_gai_strerror" = "yes" && | 
 |      test "$tst_proto_gai_strerror" = "yes" && | 
 |      test "$tst_compi_gai_strerror" = "yes" && | 
 |      test "$tst_allow_gai_strerror" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GAI_STRERROR, 1, | 
 |       [Define to 1 if you have the gai_strerror function.]) | 
 |     curl_cv_func_gai_strerror="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_gai_strerror="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GETHOSTBYADDR_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if gethostbyaddr_r is available, prototyped, | 
 | dnl and can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_gethostbyaddr_r, then | 
 | dnl HAVE_GETHOSTBYADDR_R will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETHOSTBYADDR_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_NETDB])dnl | 
 |   # | 
 |   tst_links_gethostbyaddr_r="unknown" | 
 |   tst_proto_gethostbyaddr_r="unknown" | 
 |   tst_compi_gethostbyaddr_r="unknown" | 
 |   tst_allow_gethostbyaddr_r="unknown" | 
 |   tst_nargs_gethostbyaddr_r="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyaddr_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([gethostbyaddr_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_gethostbyaddr_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_gethostbyaddr_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_gethostbyaddr_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyaddr_r is prototyped]) | 
 |     AC_EGREP_CPP([gethostbyaddr_r],[ | 
 |       $curl_includes_netdb | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_gethostbyaddr_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_gethostbyaddr_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_gethostbyaddr_r" = "yes"; then | 
 |     if test "$tst_nargs_gethostbyaddr_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if gethostbyaddr_r takes 5 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != gethostbyaddr_r(0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_gethostbyaddr_r="yes" | 
 |         tst_nargs_gethostbyaddr_r="5" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_gethostbyaddr_r="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_gethostbyaddr_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if gethostbyaddr_r takes 7 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != gethostbyaddr_r(0, 0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_gethostbyaddr_r="yes" | 
 |         tst_nargs_gethostbyaddr_r="7" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_gethostbyaddr_r="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_gethostbyaddr_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if gethostbyaddr_r takes 8 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != gethostbyaddr_r(0, 0, 0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_gethostbyaddr_r="yes" | 
 |         tst_nargs_gethostbyaddr_r="8" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_gethostbyaddr_r="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if gethostbyaddr_r is compilable]) | 
 |     if test "$tst_compi_gethostbyaddr_r" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gethostbyaddr_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyaddr_r usage allowed]) | 
 |     if test "x$curl_disallow_gethostbyaddr_r" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_gethostbyaddr_r="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_gethostbyaddr_r="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyaddr_r might be used]) | 
 |   if test "$tst_links_gethostbyaddr_r" = "yes" && | 
 |      test "$tst_proto_gethostbyaddr_r" = "yes" && | 
 |      test "$tst_compi_gethostbyaddr_r" = "yes" && | 
 |      test "$tst_allow_gethostbyaddr_r" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYADDR_R, 1, | 
 |       [Define to 1 if you have the gethostbyaddr_r function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_ARGS, $tst_nargs_gethostbyaddr_r, | 
 |     dnl   [Specifies the number of arguments to gethostbyaddr_r]) | 
 |     # | 
 |     if test "$tst_nargs_gethostbyaddr_r" -eq "5"; then | 
 |       AC_DEFINE(HAVE_GETHOSTBYADDR_R_5, 1, [gethostbyaddr_r() takes 5 args]) | 
 |     elif test "$tst_nargs_gethostbyaddr_r" -eq "7"; then | 
 |       AC_DEFINE(HAVE_GETHOSTBYADDR_R_7, 1, [gethostbyaddr_r() takes 7 args]) | 
 |     elif test "$tst_nargs_gethostbyaddr_r" -eq "8"; then | 
 |       AC_DEFINE(HAVE_GETHOSTBYADDR_R_8, 1, [gethostbyaddr_r() takes 8 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_gethostbyaddr_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_gethostbyaddr_r="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GETHOSTBYNAME | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if gethostbyname 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_gethostbyname, then | 
 | dnl HAVE_GETHOSTBYNAME will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETHOSTBYNAME], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_NETDB])dnl | 
 |   # | 
 |   tst_links_gethostbyname="unknown" | 
 |   tst_proto_gethostbyname="unknown" | 
 |   tst_compi_gethostbyname="unknown" | 
 |   tst_allow_gethostbyname="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyname can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_netdb | 
 |     ]],[[ | 
 |       if(0 != gethostbyname(0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_gethostbyname="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_gethostbyname="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_gethostbyname" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyname is prototyped]) | 
 |     AC_EGREP_CPP([gethostbyname],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_netdb | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_gethostbyname="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_gethostbyname="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_gethostbyname" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyname is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_netdb | 
 |       ]],[[ | 
 |         if(0 != gethostbyname(0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_gethostbyname="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_gethostbyname="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gethostbyname" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyname usage allowed]) | 
 |     if test "x$curl_disallow_gethostbyname" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_gethostbyname="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_gethostbyname="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyname might be used]) | 
 |   if test "$tst_links_gethostbyname" = "yes" && | 
 |      test "$tst_proto_gethostbyname" = "yes" && | 
 |      test "$tst_compi_gethostbyname" = "yes" && | 
 |      test "$tst_allow_gethostbyname" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYNAME, 1, | 
 |       [Define to 1 if you have the gethostbyname function.]) | 
 |     curl_cv_func_gethostbyname="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_gethostbyname="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GETHOSTBYNAME_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if gethostbyname_r is available, prototyped, | 
 | dnl and can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_gethostbyname_r, then | 
 | dnl HAVE_GETHOSTBYNAME_R will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETHOSTBYNAME_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_NETDB])dnl | 
 |   # | 
 |   tst_links_gethostbyname_r="unknown" | 
 |   tst_proto_gethostbyname_r="unknown" | 
 |   tst_compi_gethostbyname_r="unknown" | 
 |   tst_allow_gethostbyname_r="unknown" | 
 |   tst_nargs_gethostbyname_r="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyname_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([gethostbyname_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_gethostbyname_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_gethostbyname_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_gethostbyname_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyname_r is prototyped]) | 
 |     AC_EGREP_CPP([gethostbyname_r],[ | 
 |       $curl_includes_netdb | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_gethostbyname_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_gethostbyname_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_gethostbyname_r" = "yes"; then | 
 |     if test "$tst_nargs_gethostbyname_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if gethostbyname_r takes 3 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != gethostbyname_r(0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_gethostbyname_r="yes" | 
 |         tst_nargs_gethostbyname_r="3" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_gethostbyname_r="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_gethostbyname_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if gethostbyname_r takes 5 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != gethostbyname_r(0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_gethostbyname_r="yes" | 
 |         tst_nargs_gethostbyname_r="5" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_gethostbyname_r="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_gethostbyname_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if gethostbyname_r takes 6 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != gethostbyname_r(0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_gethostbyname_r="yes" | 
 |         tst_nargs_gethostbyname_r="6" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_gethostbyname_r="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if gethostbyname_r is compilable]) | 
 |     if test "$tst_compi_gethostbyname_r" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gethostbyname_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostbyname_r usage allowed]) | 
 |     if test "x$curl_disallow_gethostbyname_r" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_gethostbyname_r="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_gethostbyname_r="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostbyname_r might be used]) | 
 |   if test "$tst_links_gethostbyname_r" = "yes" && | 
 |      test "$tst_proto_gethostbyname_r" = "yes" && | 
 |      test "$tst_compi_gethostbyname_r" = "yes" && | 
 |      test "$tst_allow_gethostbyname_r" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYNAME_R, 1, | 
 |       [Define to 1 if you have the gethostbyname_r function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_ARGS, $tst_nargs_gethostbyname_r, | 
 |     dnl   [Specifies the number of arguments to gethostbyname_r]) | 
 |     # | 
 |     if test "$tst_nargs_gethostbyname_r" -eq "3"; then | 
 |       AC_DEFINE(HAVE_GETHOSTBYNAME_R_3, 1, [gethostbyname_r() takes 3 args]) | 
 |     elif test "$tst_nargs_gethostbyname_r" -eq "5"; then | 
 |       AC_DEFINE(HAVE_GETHOSTBYNAME_R_5, 1, [gethostbyname_r() takes 5 args]) | 
 |     elif test "$tst_nargs_gethostbyname_r" -eq "6"; then | 
 |       AC_DEFINE(HAVE_GETHOSTBYNAME_R_6, 1, [gethostbyname_r() takes 6 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_gethostbyname_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_gethostbyname_r="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_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 curl_disallow_gethostname, then | 
 | dnl HAVE_GETHOSTNAME will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETHOSTNAME], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_UNISTD])dnl | 
 |   AC_REQUIRE([CURL_PREPROCESS_CALLCONV])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([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_unistd | 
 |     ]],[[ | 
 |       if(0 != gethostname(0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_gethostname="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_gethostname="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_gethostname" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostname is prototyped]) | 
 |     AC_EGREP_CPP([gethostname],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_unistd | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_gethostname="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_gethostname="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_gethostname" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostname is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_unistd | 
 |       ]],[[ | 
 |         if(0 != gethostname(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_gethostname="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_gethostname="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gethostname" = "yes"; then | 
 |     AC_MSG_CHECKING([for gethostname arg 2 data type]) | 
 |     tst_gethostname_type_arg2="unknown" | 
 |     for tst_arg1 in 'char *' 'unsigned char *' 'void *'; do | 
 |       for tst_arg2 in 'int' 'unsigned int' 'size_t'; do | 
 |         if test "$tst_gethostname_type_arg2" = "unknown"; then | 
 |           AC_COMPILE_IFELSE([ | 
 |             AC_LANG_PROGRAM([[ | 
 |               $curl_includes_winsock2 | 
 |               $curl_includes_unistd | 
 |               $curl_preprocess_callconv | 
 |               extern int FUNCALLCONV gethostname($tst_arg1, $tst_arg2); | 
 |             ]],[[ | 
 |               if(0 != gethostname(0, 0)) | 
 |                 return 1; | 
 |             ]]) | 
 |           ],[ | 
 |             tst_gethostname_type_arg2="$tst_arg2" | 
 |           ]) | 
 |         fi | 
 |       done | 
 |     done | 
 |     AC_MSG_RESULT([$tst_gethostname_type_arg2]) | 
 |     if test "$tst_gethostname_type_arg2" != "unknown"; then | 
 |       AC_DEFINE_UNQUOTED(GETHOSTNAME_TYPE_ARG2, $tst_gethostname_type_arg2, | 
 |         [Define to the type of arg 2 for gethostname.]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gethostname" = "yes"; then | 
 |     AC_MSG_CHECKING([if gethostname usage allowed]) | 
 |     if test "x$curl_disallow_gethostname" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_gethostname="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_gethostname="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if gethostname might be used]) | 
 |   if test "$tst_links_gethostname" = "yes" && | 
 |      test "$tst_proto_gethostname" = "yes" && | 
 |      test "$tst_compi_gethostname" = "yes" && | 
 |      test "$tst_allow_gethostname" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETHOSTNAME, 1, | 
 |       [Define to 1 if you have the gethostname function.]) | 
 |     curl_cv_func_gethostname="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_gethostname="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GETIFADDRS | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if getifaddrs is available, prototyped, can | 
 | dnl be compiled and seems to work. If all of these are | 
 | dnl true, and usage has not been previously disallowed | 
 | dnl with shell variable curl_disallow_getifaddrs, then | 
 | dnl HAVE_GETIFADDRS will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETIFADDRS], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_IFADDRS])dnl | 
 |   # | 
 |   tst_links_getifaddrs="unknown" | 
 |   tst_proto_getifaddrs="unknown" | 
 |   tst_compi_getifaddrs="unknown" | 
 |   tst_works_getifaddrs="unknown" | 
 |   tst_allow_getifaddrs="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if getifaddrs can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([getifaddrs]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_getifaddrs="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_getifaddrs="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_getifaddrs" = "yes"; then | 
 |     AC_MSG_CHECKING([if getifaddrs is prototyped]) | 
 |     AC_EGREP_CPP([getifaddrs],[ | 
 |       $curl_includes_ifaddrs | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_getifaddrs="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_getifaddrs="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_getifaddrs" = "yes"; then | 
 |     AC_MSG_CHECKING([if getifaddrs is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_ifaddrs | 
 |       ]],[[ | 
 |         if(0 != getifaddrs(0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_getifaddrs="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_getifaddrs="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_compi_getifaddrs" = "yes"; then | 
 |     AC_MSG_CHECKING([if getifaddrs seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_ifaddrs | 
 |       ]],[[ | 
 |         struct ifaddrs *ifa = 0; | 
 |         int error; | 
 |  | 
 |         error = getifaddrs(&ifa); | 
 |         if(error || !ifa) | 
 |           exit(1); /* fail */ | 
 |         else | 
 |           exit(0); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_getifaddrs="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_getifaddrs="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_getifaddrs" = "yes" && | 
 |     test "$tst_works_getifaddrs" != "no"; then | 
 |     AC_MSG_CHECKING([if getifaddrs usage allowed]) | 
 |     if test "x$curl_disallow_getifaddrs" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_getifaddrs="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_getifaddrs="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if getifaddrs might be used]) | 
 |   if test "$tst_links_getifaddrs" = "yes" && | 
 |      test "$tst_proto_getifaddrs" = "yes" && | 
 |      test "$tst_compi_getifaddrs" = "yes" && | 
 |      test "$tst_allow_getifaddrs" = "yes" && | 
 |      test "$tst_works_getifaddrs" != "no"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETIFADDRS, 1, | 
 |       [Define to 1 if you have a working getifaddrs function.]) | 
 |     curl_cv_func_getifaddrs="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_getifaddrs="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GETSERVBYPORT_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if getservbyport_r is available, prototyped, | 
 | dnl and can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_getservbyport_r, then | 
 | dnl HAVE_GETSERVBYPORT_R will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETSERVBYPORT_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_NETDB])dnl | 
 |   # | 
 |   tst_links_getservbyport_r="unknown" | 
 |   tst_proto_getservbyport_r="unknown" | 
 |   tst_compi_getservbyport_r="unknown" | 
 |   tst_allow_getservbyport_r="unknown" | 
 |   tst_nargs_getservbyport_r="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if getservbyport_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([getservbyport_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_getservbyport_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_getservbyport_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_getservbyport_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if getservbyport_r is prototyped]) | 
 |     AC_EGREP_CPP([getservbyport_r],[ | 
 |       $curl_includes_netdb | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_getservbyport_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_getservbyport_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$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([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != getservbyport_r(0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_getservbyport_r="yes" | 
 |         tst_nargs_getservbyport_r="4" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_getservbyport_r="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_getservbyport_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if getservbyport_r takes 5 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != getservbyport_r(0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_getservbyport_r="yes" | 
 |         tst_nargs_getservbyport_r="5" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_getservbyport_r="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_getservbyport_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if getservbyport_r takes 6 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_netdb | 
 |         ]],[[ | 
 |           if(0 != getservbyport_r(0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_getservbyport_r="yes" | 
 |         tst_nargs_getservbyport_r="6" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_getservbyport_r="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if getservbyport_r is compilable]) | 
 |     if test "$tst_compi_getservbyport_r" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_getservbyport_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if getservbyport_r usage allowed]) | 
 |     if test "x$curl_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 | 
 |     curl_cv_func_getservbyport_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_getservbyport_r="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GETXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if getxattr 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_getxattr, then | 
 | dnl HAVE_GETXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GETXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_getxattr="unknown" | 
 |   tst_proto_getxattr="unknown" | 
 |   tst_compi_getxattr="unknown" | 
 |   tst_allow_getxattr="unknown" | 
 |   tst_nargs_getxattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if getxattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([getxattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_getxattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_getxattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_getxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if getxattr is prototyped]) | 
 |     AC_EGREP_CPP([getxattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_getxattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_getxattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_getxattr" = "yes"; then | 
 |     if test "$tst_nargs_getxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if getxattr takes 4 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != getxattr(0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_getxattr="yes" | 
 |         tst_nargs_getxattr="4" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_getxattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_getxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if getxattr takes 6 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != getxattr(0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_getxattr="yes" | 
 |         tst_nargs_getxattr="6" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_getxattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if getxattr is compilable]) | 
 |     if test "$tst_compi_getxattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_getxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if getxattr usage allowed]) | 
 |     if test "x$curl_disallow_getxattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_getxattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_getxattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if getxattr might be used]) | 
 |   if test "$tst_links_getxattr" = "yes" && | 
 |      test "$tst_proto_getxattr" = "yes" && | 
 |      test "$tst_compi_getxattr" = "yes" && | 
 |      test "$tst_allow_getxattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GETXATTR, 1, | 
 |       [Define to 1 if you have the getxattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(GETXATTR_ARGS, $tst_nargs_getxattr, | 
 |     dnl   [Specifies the number of arguments to getxattr]) | 
 |     # | 
 |     if test "$tst_nargs_getxattr" -eq "4"; then | 
 |       AC_DEFINE(HAVE_GETXATTR_4, 1, [getxattr() takes 4 args]) | 
 |     elif test "$tst_nargs_getxattr" -eq "6"; then | 
 |       AC_DEFINE(HAVE_GETXATTR_6, 1, [getxattr() takes 6 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_getxattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_getxattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_GMTIME_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if gmtime_r is available, prototyped, can | 
 | dnl be compiled and seems to work. If all of these are | 
 | dnl true, and usage has not been previously disallowed | 
 | dnl with shell variable curl_disallow_gmtime_r, then | 
 | dnl HAVE_GMTIME_R will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_GMTIME_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_TIME])dnl | 
 |   # | 
 |   tst_links_gmtime_r="unknown" | 
 |   tst_proto_gmtime_r="unknown" | 
 |   tst_compi_gmtime_r="unknown" | 
 |   tst_works_gmtime_r="unknown" | 
 |   tst_allow_gmtime_r="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if gmtime_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([gmtime_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_gmtime_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_gmtime_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_gmtime_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if gmtime_r is prototyped]) | 
 |     AC_EGREP_CPP([gmtime_r],[ | 
 |       $curl_includes_time | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_gmtime_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_gmtime_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_gmtime_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if gmtime_r is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_time | 
 |       ]],[[ | 
 |         if(0 != gmtime_r(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_gmtime_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_gmtime_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_compi_gmtime_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if gmtime_r seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_time | 
 |       ]],[[ | 
 |         time_t local = 1170352587; | 
 |         struct tm *gmt = 0; | 
 |         struct tm result; | 
 |         gmt = gmtime_r(&local, &result); | 
 |         if(gmt) | 
 |           exit(0); | 
 |         else | 
 |           exit(1); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_gmtime_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_gmtime_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_gmtime_r" = "yes" && | 
 |     test "$tst_works_gmtime_r" != "no"; then | 
 |     AC_MSG_CHECKING([if gmtime_r usage allowed]) | 
 |     if test "x$curl_disallow_gmtime_r" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_gmtime_r="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_gmtime_r="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if gmtime_r might be used]) | 
 |   if test "$tst_links_gmtime_r" = "yes" && | 
 |      test "$tst_proto_gmtime_r" = "yes" && | 
 |      test "$tst_compi_gmtime_r" = "yes" && | 
 |      test "$tst_allow_gmtime_r" = "yes" && | 
 |      test "$tst_works_gmtime_r" != "no"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_GMTIME_R, 1, | 
 |       [Define to 1 if you have a working gmtime_r function.]) | 
 |     curl_cv_func_gmtime_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_gmtime_r="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_INET_NTOA_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if inet_ntoa_r is available, prototyped, | 
 | dnl and can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_inet_ntoa_r, then | 
 | dnl HAVE_INET_NTOA_R will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_INET_NTOA_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_ARPA_INET])dnl | 
 |   # | 
 |   tst_links_inet_ntoa_r="unknown" | 
 |   tst_proto_inet_ntoa_r="unknown" | 
 |   tst_compi_inet_ntoa_r="unknown" | 
 |   tst_allow_inet_ntoa_r="unknown" | 
 |   tst_nargs_inet_ntoa_r="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if inet_ntoa_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([inet_ntoa_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_inet_ntoa_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_inet_ntoa_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_inet_ntoa_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if inet_ntoa_r is prototyped]) | 
 |     AC_EGREP_CPP([inet_ntoa_r],[ | 
 |       $curl_includes_arpa_inet | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_inet_ntoa_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_inet_ntoa_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_inet_ntoa_r" = "yes"; then | 
 |     if test "$tst_nargs_inet_ntoa_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if inet_ntoa_r takes 2 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_arpa_inet | 
 |         ]],[[ | 
 |           struct in_addr addr; | 
 |           if(0 != inet_ntoa_r(addr, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_inet_ntoa_r="yes" | 
 |         tst_nargs_inet_ntoa_r="2" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_inet_ntoa_r="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_inet_ntoa_r" = "unknown"; then | 
 |       AC_MSG_CHECKING([if inet_ntoa_r takes 3 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_arpa_inet | 
 |         ]],[[ | 
 |           struct in_addr addr; | 
 |           if(0 != inet_ntoa_r(addr, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_inet_ntoa_r="yes" | 
 |         tst_nargs_inet_ntoa_r="3" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_inet_ntoa_r="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if inet_ntoa_r is compilable]) | 
 |     if test "$tst_compi_inet_ntoa_r" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_inet_ntoa_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if inet_ntoa_r usage allowed]) | 
 |     if test "x$curl_disallow_inet_ntoa_r" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_inet_ntoa_r="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_inet_ntoa_r="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if inet_ntoa_r might be used]) | 
 |   if test "$tst_links_inet_ntoa_r" = "yes" && | 
 |      test "$tst_proto_inet_ntoa_r" = "yes" && | 
 |      test "$tst_compi_inet_ntoa_r" = "yes" && | 
 |      test "$tst_allow_inet_ntoa_r" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_INET_NTOA_R, 1, | 
 |       [Define to 1 if you have the inet_ntoa_r function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(INET_NTOA_R_ARGS, $tst_nargs_inet_ntoa_r, | 
 |     dnl   [Specifies the number of arguments to inet_ntoa_r]) | 
 |     # | 
 |     if test "$tst_nargs_inet_ntoa_r" -eq "2"; then | 
 |       AC_DEFINE(HAVE_INET_NTOA_R_2, 1, [inet_ntoa_r() takes 2 args]) | 
 |     elif test "$tst_nargs_inet_ntoa_r" -eq "3"; then | 
 |       AC_DEFINE(HAVE_INET_NTOA_R_3, 1, [inet_ntoa_r() takes 3 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_inet_ntoa_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_inet_ntoa_r="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_INET_NTOP | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if inet_ntop is available, prototyped, can | 
 | dnl be compiled and seems to work. If all of these are | 
 | dnl true, and usage has not been previously disallowed | 
 | dnl with shell variable curl_disallow_inet_ntop, then | 
 | dnl HAVE_INET_NTOP will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_INET_NTOP], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_ARPA_INET])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_inet_ntop="unknown" | 
 |   tst_proto_inet_ntop="unknown" | 
 |   tst_compi_inet_ntop="unknown" | 
 |   tst_works_inet_ntop="unknown" | 
 |   tst_allow_inet_ntop="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if inet_ntop can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([inet_ntop]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_inet_ntop="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_inet_ntop="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_inet_ntop" = "yes"; then | 
 |     AC_MSG_CHECKING([if inet_ntop is prototyped]) | 
 |     AC_EGREP_CPP([inet_ntop],[ | 
 |       $curl_includes_arpa_inet | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_inet_ntop="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_inet_ntop="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_inet_ntop" = "yes"; then | 
 |     AC_MSG_CHECKING([if inet_ntop is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_arpa_inet | 
 |       ]],[[ | 
 |         if(0 != inet_ntop(0, 0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_inet_ntop="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_inet_ntop="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$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([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_arpa_inet | 
 |         $curl_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)); | 
 |         ipv6a[0] = 0xfe; | 
 |         ipv6a[1] = 0x80; | 
 |         ipv6a[8] = 0x02; | 
 |         ipv6a[9] = 0x14; | 
 |         ipv6a[10] = 0x4f; | 
 |         ipv6a[11] = 0xff; | 
 |         ipv6a[12] = 0xfe; | 
 |         ipv6a[13] = 0x0b; | 
 |         ipv6a[14] = 0x76; | 
 |         ipv6a[15] = 0xc8; | 
 |         ipv6a[25] = 0x01; | 
 |         /* - */ | 
 |         ipv6ptr = inet_ntop(AF_INET6, ipv6a, ipv6res, sizeof(ipv6res)); | 
 |         if(!ipv6ptr) | 
 |           exit(1); /* fail */ | 
 |         if(ipv6ptr != ipv6res) | 
 |           exit(1); /* fail */ | 
 |         if(!ipv6ptr[0]) | 
 |           exit(1); /* fail */ | 
 |         if(memcmp(ipv6res, "fe80::214:4fff:fe0b:76c8", 24) != 0) | 
 |           exit(1); /* fail */ | 
 |         /* - */ | 
 |         exit(0); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_inet_ntop="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_inet_ntop="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_inet_ntop" = "yes" && | 
 |     test "$tst_works_inet_ntop" != "no"; then | 
 |     AC_MSG_CHECKING([if inet_ntop usage allowed]) | 
 |     if test "x$curl_disallow_inet_ntop" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_inet_ntop="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_inet_ntop="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if inet_ntop might be used]) | 
 |   if test "$tst_links_inet_ntop" = "yes" && | 
 |      test "$tst_proto_inet_ntop" = "yes" && | 
 |      test "$tst_compi_inet_ntop" = "yes" && | 
 |      test "$tst_allow_inet_ntop" = "yes" && | 
 |      test "$tst_works_inet_ntop" != "no"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_INET_NTOP, 1, | 
 |       [Define to 1 if you have a IPv6 capable working inet_ntop function.]) | 
 |     curl_cv_func_inet_ntop="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_inet_ntop="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_INET_PTON | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if inet_pton is available, prototyped, can | 
 | dnl be compiled and seems to work. If all of these are | 
 | dnl true, and usage has not been previously disallowed | 
 | dnl with shell variable curl_disallow_inet_pton, then | 
 | dnl HAVE_INET_PTON will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_INET_PTON], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_ARPA_INET])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_inet_pton="unknown" | 
 |   tst_proto_inet_pton="unknown" | 
 |   tst_compi_inet_pton="unknown" | 
 |   tst_works_inet_pton="unknown" | 
 |   tst_allow_inet_pton="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if inet_pton can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([inet_pton]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_inet_pton="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_inet_pton="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_inet_pton" = "yes"; then | 
 |     AC_MSG_CHECKING([if inet_pton is prototyped]) | 
 |     AC_EGREP_CPP([inet_pton],[ | 
 |       $curl_includes_arpa_inet | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_inet_pton="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_inet_pton="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_inet_pton" = "yes"; then | 
 |     AC_MSG_CHECKING([if inet_pton is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_arpa_inet | 
 |       ]],[[ | 
 |         if(0 != inet_pton(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_inet_pton="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_inet_pton="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_compi_inet_pton" = "yes"; then | 
 |     AC_MSG_CHECKING([if inet_pton seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_arpa_inet | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         unsigned char ipv6a[16+1]; | 
 |         unsigned char ipv4a[4+1]; | 
 |         const char *ipv6src = "fe80::214:4fff:fe0b:76c8"; | 
 |         const char *ipv4src = "192.168.100.1"; | 
 |         /* - */ | 
 |         memset(ipv4a, 1, sizeof(ipv4a)); | 
 |         if(1 != inet_pton(AF_INET, ipv4src, ipv4a)) | 
 |           exit(1); /* fail */ | 
 |         /* - */ | 
 |         if( (ipv4a[0] != 0xc0) || | 
 |             (ipv4a[1] != 0xa8) || | 
 |             (ipv4a[2] != 0x64) || | 
 |             (ipv4a[3] != 0x01) || | 
 |             (ipv4a[4] != 0x01) ) | 
 |           exit(1); /* fail */ | 
 |         /* - */ | 
 |         memset(ipv6a, 1, sizeof(ipv6a)); | 
 |         if(1 != inet_pton(AF_INET6, ipv6src, ipv6a)) | 
 |           exit(1); /* fail */ | 
 |         /* - */ | 
 |         if( (ipv6a[0]  != 0xfe) || | 
 |             (ipv6a[1]  != 0x80) || | 
 |             (ipv6a[8]  != 0x02) || | 
 |             (ipv6a[9]  != 0x14) || | 
 |             (ipv6a[10] != 0x4f) || | 
 |             (ipv6a[11] != 0xff) || | 
 |             (ipv6a[12] != 0xfe) || | 
 |             (ipv6a[13] != 0x0b) || | 
 |             (ipv6a[14] != 0x76) || | 
 |             (ipv6a[15] != 0xc8) || | 
 |             (ipv6a[16] != 0x01) ) | 
 |           exit(1); /* fail */ | 
 |         /* - */ | 
 |         if( (ipv6a[2]  != 0x0) || | 
 |             (ipv6a[3]  != 0x0) || | 
 |             (ipv6a[4]  != 0x0) || | 
 |             (ipv6a[5]  != 0x0) || | 
 |             (ipv6a[6]  != 0x0) || | 
 |             (ipv6a[7]  != 0x0) ) | 
 |           exit(1); /* fail */ | 
 |         /* - */ | 
 |         exit(0); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_inet_pton="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_inet_pton="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_inet_pton" = "yes" && | 
 |     test "$tst_works_inet_pton" != "no"; then | 
 |     AC_MSG_CHECKING([if inet_pton usage allowed]) | 
 |     if test "x$curl_disallow_inet_pton" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_inet_pton="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_inet_pton="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if inet_pton might be used]) | 
 |   if test "$tst_links_inet_pton" = "yes" && | 
 |      test "$tst_proto_inet_pton" = "yes" && | 
 |      test "$tst_compi_inet_pton" = "yes" && | 
 |      test "$tst_allow_inet_pton" = "yes" && | 
 |      test "$tst_works_inet_pton" != "no"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_INET_PTON, 1, | 
 |       [Define to 1 if you have a IPv6 capable working inet_pton function.]) | 
 |     curl_cv_func_inet_pton="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_inet_pton="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_IOCTL | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if ioctl is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_ioctl, then | 
 | dnl HAVE_IOCTL will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_IOCTL], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STROPTS])dnl | 
 |   # | 
 |   tst_links_ioctl="unknown" | 
 |   tst_proto_ioctl="unknown" | 
 |   tst_compi_ioctl="unknown" | 
 |   tst_allow_ioctl="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if ioctl can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([ioctl]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_ioctl="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_ioctl="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_ioctl" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctl is prototyped]) | 
 |     AC_EGREP_CPP([ioctl],[ | 
 |       $curl_includes_stropts | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_ioctl="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_ioctl="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_ioctl" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctl is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stropts | 
 |       ]],[[ | 
 |         if(0 != ioctl(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_ioctl="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_ioctl="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_ioctl" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctl usage allowed]) | 
 |     if test "x$curl_disallow_ioctl" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_ioctl="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_ioctl="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if ioctl might be used]) | 
 |   if test "$tst_links_ioctl" = "yes" && | 
 |      test "$tst_proto_ioctl" = "yes" && | 
 |      test "$tst_compi_ioctl" = "yes" && | 
 |      test "$tst_allow_ioctl" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_IOCTL, 1, | 
 |       [Define to 1 if you have the ioctl function.]) | 
 |     curl_cv_func_ioctl="yes" | 
 |     CURL_CHECK_FUNC_IOCTL_FIONBIO | 
 |     CURL_CHECK_FUNC_IOCTL_SIOCGIFADDR | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_ioctl="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_IOCTL_FIONBIO | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if ioctl with the FIONBIO command is | 
 | dnl available, can be compiled, and seems to work. If | 
 | dnl all of these are true, then HAVE_IOCTL_FIONBIO | 
 | dnl will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_IOCTL_FIONBIO], [ | 
 |   # | 
 |   tst_compi_ioctl_fionbio="unknown" | 
 |   tst_allow_ioctl_fionbio="unknown" | 
 |   # | 
 |   if test "$curl_cv_func_ioctl" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctl FIONBIO is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stropts | 
 |       ]],[[ | 
 |         int flags = 0; | 
 |         if(0 != ioctl(0, FIONBIO, &flags)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_ioctl_fionbio="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_ioctl_fionbio="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_ioctl_fionbio" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctl FIONBIO usage allowed]) | 
 |     if test "x$curl_disallow_ioctl_fionbio" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_ioctl_fionbio="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_ioctl_fionbio="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if ioctl FIONBIO might be used]) | 
 |   if test "$tst_compi_ioctl_fionbio" = "yes" && | 
 |      test "$tst_allow_ioctl_fionbio" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_IOCTL_FIONBIO, 1, | 
 |       [Define to 1 if you have a working ioctl FIONBIO function.]) | 
 |     curl_cv_func_ioctl_fionbio="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_ioctl_fionbio="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_IOCTL_SIOCGIFADDR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if ioctl with the SIOCGIFADDR command is available, | 
 | dnl struct ifreq is defined, they can be compiled, and seem to | 
 | dnl work. If all of these are true, then HAVE_IOCTL_SIOCGIFADDR | 
 | dnl will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_IOCTL_SIOCGIFADDR], [ | 
 |   # | 
 |   tst_compi_ioctl_siocgifaddr="unknown" | 
 |   tst_allow_ioctl_siocgifaddr="unknown" | 
 |   # | 
 |   if test "$curl_cv_func_ioctl" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctl SIOCGIFADDR is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stropts | 
 |         #include <net/if.h> | 
 |       ]],[[ | 
 |         struct ifreq ifr; | 
 |         if(0 != ioctl(0, SIOCGIFADDR, &ifr)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_ioctl_siocgifaddr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_ioctl_siocgifaddr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_ioctl_siocgifaddr" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctl SIOCGIFADDR usage allowed]) | 
 |     if test "x$curl_disallow_ioctl_siocgifaddr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_ioctl_siocgifaddr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_ioctl_siocgifaddr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if ioctl SIOCGIFADDR might be used]) | 
 |   if test "$tst_compi_ioctl_siocgifaddr" = "yes" && | 
 |      test "$tst_allow_ioctl_siocgifaddr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_IOCTL_SIOCGIFADDR, 1, | 
 |       [Define to 1 if you have a working ioctl SIOCGIFADDR function.]) | 
 |     curl_cv_func_ioctl_siocgifaddr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_ioctl_siocgifaddr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_IOCTLSOCKET | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if ioctlsocket 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_ioctlsocket, then | 
 | dnl HAVE_IOCTLSOCKET will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   # | 
 |   tst_links_ioctlsocket="unknown" | 
 |   tst_proto_ioctlsocket="unknown" | 
 |   tst_compi_ioctlsocket="unknown" | 
 |   tst_allow_ioctlsocket="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if ioctlsocket can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |     ]],[[ | 
 |       if(0 != ioctlsocket(0, 0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_ioctlsocket="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_ioctlsocket="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_ioctlsocket" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctlsocket is prototyped]) | 
 |     AC_EGREP_CPP([ioctlsocket],[ | 
 |       $curl_includes_winsock2 | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_ioctlsocket="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_ioctlsocket="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_ioctlsocket" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctlsocket is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |       ]],[[ | 
 |         if(0 != ioctlsocket(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_ioctlsocket="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_ioctlsocket="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_ioctlsocket" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctlsocket usage allowed]) | 
 |     if test "x$curl_disallow_ioctlsocket" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_ioctlsocket="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_ioctlsocket="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if ioctlsocket might be used]) | 
 |   if test "$tst_links_ioctlsocket" = "yes" && | 
 |      test "$tst_proto_ioctlsocket" = "yes" && | 
 |      test "$tst_compi_ioctlsocket" = "yes" && | 
 |      test "$tst_allow_ioctlsocket" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET, 1, | 
 |       [Define to 1 if you have the ioctlsocket function.]) | 
 |     curl_cv_func_ioctlsocket="yes" | 
 |     CURL_CHECK_FUNC_IOCTLSOCKET_FIONBIO | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_ioctlsocket="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_IOCTLSOCKET_FIONBIO | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if ioctlsocket with the FIONBIO command is | 
 | dnl available, can be compiled, and seems to work. If | 
 | dnl all of these are true, then HAVE_IOCTLSOCKET_FIONBIO | 
 | dnl will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET_FIONBIO], [ | 
 |   # | 
 |   tst_compi_ioctlsocket_fionbio="unknown" | 
 |   tst_allow_ioctlsocket_fionbio="unknown" | 
 |   # | 
 |   if test "$curl_cv_func_ioctlsocket" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctlsocket FIONBIO is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |       ]],[[ | 
 |         int flags = 0; | 
 |         if(0 != ioctlsocket(0, FIONBIO, &flags)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_ioctlsocket_fionbio="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_ioctlsocket_fionbio="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_ioctlsocket_fionbio" = "yes"; then | 
 |     AC_MSG_CHECKING([if ioctlsocket FIONBIO usage allowed]) | 
 |     if test "x$curl_disallow_ioctlsocket_fionbio" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_ioctlsocket_fionbio="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_ioctlsocket_fionbio="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if ioctlsocket FIONBIO might be used]) | 
 |   if test "$tst_compi_ioctlsocket_fionbio" = "yes" && | 
 |      test "$tst_allow_ioctlsocket_fionbio" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET_FIONBIO, 1, | 
 |       [Define to 1 if you have a working ioctlsocket FIONBIO function.]) | 
 |     curl_cv_func_ioctlsocket_fionbio="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_ioctlsocket_fionbio="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if IoctlSocket is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_ioctlsocket_camel, | 
 | dnl then HAVE_IOCTLSOCKET_CAMEL will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STROPTS])dnl | 
 |   # | 
 |   tst_links_ioctlsocket_camel="unknown" | 
 |   tst_proto_ioctlsocket_camel="unknown" | 
 |   tst_compi_ioctlsocket_camel="unknown" | 
 |   tst_allow_ioctlsocket_camel="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if IoctlSocket can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([IoctlSocket]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_ioctlsocket_camel="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_ioctlsocket_camel="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_ioctlsocket_camel" = "yes"; then | 
 |     AC_MSG_CHECKING([if IoctlSocket is prototyped]) | 
 |     AC_EGREP_CPP([IoctlSocket],[ | 
 |       $curl_includes_stropts | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_ioctlsocket_camel="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_ioctlsocket_camel="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_ioctlsocket_camel" = "yes"; then | 
 |     AC_MSG_CHECKING([if IoctlSocket is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stropts | 
 |       ]],[[ | 
 |         if(0 != IoctlSocket(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_ioctlsocket_camel="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_ioctlsocket_camel="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_ioctlsocket_camel" = "yes"; then | 
 |     AC_MSG_CHECKING([if IoctlSocket usage allowed]) | 
 |     if test "x$curl_disallow_ioctlsocket_camel" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_ioctlsocket_camel="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_ioctlsocket_camel="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if IoctlSocket might be used]) | 
 |   if test "$tst_links_ioctlsocket_camel" = "yes" && | 
 |      test "$tst_proto_ioctlsocket_camel" = "yes" && | 
 |      test "$tst_compi_ioctlsocket_camel" = "yes" && | 
 |      test "$tst_allow_ioctlsocket_camel" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET_CAMEL, 1, | 
 |       [Define to 1 if you have the IoctlSocket camel case function.]) | 
 |     curl_cv_func_ioctlsocket_camel="yes" | 
 |     CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL_FIONBIO | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_ioctlsocket_camel="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL_FIONBIO | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if IoctlSocket with FIONBIO command is available, | 
 | dnl can be compiled, and seems to work. If all of these are | 
 | dnl true, then HAVE_IOCTLSOCKET_CAMEL_FIONBIO will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL_FIONBIO], [ | 
 |   # | 
 |   tst_compi_ioctlsocket_camel_fionbio="unknown" | 
 |   tst_allow_ioctlsocket_camel_fionbio="unknown" | 
 |   # | 
 |   if test "$curl_cv_func_ioctlsocket_camel" = "yes"; then | 
 |     AC_MSG_CHECKING([if IoctlSocket FIONBIO is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stropts | 
 |       ]],[[ | 
 |         long flags = 0; | 
 |         if(0 != ioctlsocket(0, FIONBIO, &flags)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_ioctlsocket_camel_fionbio="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_ioctlsocket_camel_fionbio="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_ioctlsocket_camel_fionbio" = "yes"; then | 
 |     AC_MSG_CHECKING([if IoctlSocket FIONBIO usage allowed]) | 
 |     if test "x$curl_disallow_ioctlsocket_camel_fionbio" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_ioctlsocket_camel_fionbio="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_ioctlsocket_camel_fionbio="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if IoctlSocket FIONBIO might be used]) | 
 |   if test "$tst_compi_ioctlsocket_camel_fionbio" = "yes" && | 
 |      test "$tst_allow_ioctlsocket_camel_fionbio" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET_CAMEL_FIONBIO, 1, | 
 |       [Define to 1 if you have a working IoctlSocket camel case FIONBIO function.]) | 
 |     curl_cv_func_ioctlsocket_camel_fionbio="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_ioctlsocket_camel_fionbio="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_LISTXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if listxattr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_listxattr, then | 
 | dnl HAVE_LISTXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_LISTXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_listxattr="unknown" | 
 |   tst_proto_listxattr="unknown" | 
 |   tst_compi_listxattr="unknown" | 
 |   tst_allow_listxattr="unknown" | 
 |   tst_nargs_listxattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if listxattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([listxattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_listxattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_listxattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_listxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if listxattr is prototyped]) | 
 |     AC_EGREP_CPP([listxattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_listxattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_listxattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_listxattr" = "yes"; then | 
 |     if test "$tst_nargs_listxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if listxattr takes 3 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != listxattr(0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_listxattr="yes" | 
 |         tst_nargs_listxattr="3" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_listxattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_listxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if listxattr takes 4 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != listxattr(0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_listxattr="yes" | 
 |         tst_nargs_listxattr="4" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_listxattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if listxattr is compilable]) | 
 |     if test "$tst_compi_listxattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_listxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if listxattr usage allowed]) | 
 |     if test "x$curl_disallow_listxattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_listxattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_listxattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if listxattr might be used]) | 
 |   if test "$tst_links_listxattr" = "yes" && | 
 |      test "$tst_proto_listxattr" = "yes" && | 
 |      test "$tst_compi_listxattr" = "yes" && | 
 |      test "$tst_allow_listxattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_LISTXATTR, 1, | 
 |       [Define to 1 if you have the listxattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(LISTXATTR_ARGS, $tst_nargs_listxattr, | 
 |     dnl   [Specifies the number of arguments to listxattr]) | 
 |     # | 
 |     if test "$tst_nargs_listxattr" -eq "3"; then | 
 |       AC_DEFINE(HAVE_LISTXATTR_3, 1, [listxattr() takes 3 args]) | 
 |     elif test "$tst_nargs_listxattr" -eq "4"; then | 
 |       AC_DEFINE(HAVE_LISTXATTR_4, 1, [listxattr() takes 4 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_listxattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_listxattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_LOCALTIME_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if localtime_r is available, prototyped, can | 
 | dnl be compiled and seems to work. If all of these are | 
 | dnl true, and usage has not been previously disallowed | 
 | dnl with shell variable curl_disallow_localtime_r, then | 
 | dnl HAVE_LOCALTIME_R will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_LOCALTIME_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_TIME])dnl | 
 |   # | 
 |   tst_links_localtime_r="unknown" | 
 |   tst_proto_localtime_r="unknown" | 
 |   tst_compi_localtime_r="unknown" | 
 |   tst_works_localtime_r="unknown" | 
 |   tst_allow_localtime_r="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if localtime_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([localtime_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_localtime_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_localtime_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_localtime_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if localtime_r is prototyped]) | 
 |     AC_EGREP_CPP([localtime_r],[ | 
 |       $curl_includes_time | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_localtime_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_localtime_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_localtime_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if localtime_r is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_time | 
 |       ]],[[ | 
 |         if(0 != localtime_r(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_localtime_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_localtime_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_compi_localtime_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if localtime_r seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_time | 
 |       ]],[[ | 
 |         time_t clock = 1170352587; | 
 |         struct tm *tmp = 0; | 
 |         struct tm result; | 
 |         tmp = localtime_r(&clock, &result); | 
 |         if(tmp) | 
 |           exit(0); | 
 |         else | 
 |           exit(1); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_localtime_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_localtime_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_localtime_r" = "yes" && | 
 |     test "$tst_works_localtime_r" != "no"; then | 
 |     AC_MSG_CHECKING([if localtime_r usage allowed]) | 
 |     if test "x$curl_disallow_localtime_r" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_localtime_r="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_localtime_r="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if localtime_r might be used]) | 
 |   if test "$tst_links_localtime_r" = "yes" && | 
 |      test "$tst_proto_localtime_r" = "yes" && | 
 |      test "$tst_compi_localtime_r" = "yes" && | 
 |      test "$tst_allow_localtime_r" = "yes" && | 
 |      test "$tst_works_localtime_r" != "no"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_LOCALTIME_R, 1, | 
 |       [Define to 1 if you have a working localtime_r function.]) | 
 |     curl_cv_func_localtime_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_localtime_r="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_MEMRCHR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if memrchr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_memrchr, then | 
 | dnl HAVE_MEMRCHR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_MEMRCHR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_memrchr="unknown" | 
 |   tst_macro_memrchr="unknown" | 
 |   tst_proto_memrchr="unknown" | 
 |   tst_compi_memrchr="unknown" | 
 |   tst_allow_memrchr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if memrchr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([memrchr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_memrchr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_memrchr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_memrchr" = "no"; then | 
 |     AC_MSG_CHECKING([if memrchr seems a macro]) | 
 |     AC_LINK_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != memrchr(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_macro_memrchr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_macro_memrchr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_links_memrchr" = "yes"; then | 
 |     AC_MSG_CHECKING([if memrchr is prototyped]) | 
 |     AC_EGREP_CPP([memrchr],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_memrchr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_memrchr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_memrchr" = "yes" || | 
 |      test "$tst_macro_memrchr" = "yes"; then | 
 |     AC_MSG_CHECKING([if memrchr is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != memrchr(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_memrchr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_memrchr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_memrchr" = "yes"; then | 
 |     AC_MSG_CHECKING([if memrchr usage allowed]) | 
 |     if test "x$curl_disallow_memrchr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_memrchr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_memrchr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if memrchr might be used]) | 
 |   if (test "$tst_proto_memrchr" = "yes" || | 
 |       test "$tst_macro_memrchr" = "yes") && | 
 |      test "$tst_compi_memrchr" = "yes" && | 
 |      test "$tst_allow_memrchr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_MEMRCHR, 1, | 
 |       [Define to 1 if you have the memrchr function or macro.]) | 
 |     curl_cv_func_memrchr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_memrchr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_POLL | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if poll 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 curl_disallow_poll, then | 
 | dnl HAVE_POLL will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_POLL], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_POLL])dnl | 
 |   # | 
 |   tst_links_poll="unknown" | 
 |   tst_proto_poll="unknown" | 
 |   tst_compi_poll="unknown" | 
 |   tst_works_poll="unknown" | 
 |   tst_allow_poll="unknown" | 
 |   # | 
 |   case $host_os in | 
 |     darwin*|interix*) | 
 |       dnl poll() does not work on these platforms | 
 |       dnl Interix: "does provide poll(), but the implementing developer must | 
 |       dnl have been in a bad mood, because poll() only works on the /proc | 
 |       dnl filesystem here" | 
 |       dnl macOS: poll() first didn't exist, then was broken until fixed in 10.9 | 
 |       dnl only to break again in 10.12. | 
 |       curl_disallow_poll="yes" | 
 |       tst_compi_poll="no" | 
 |       ;; | 
 |   esac | 
 |   # | 
 |   AC_MSG_CHECKING([if poll can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_poll | 
 |     ]],[[ | 
 |       if(0 != poll(0, 0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_poll="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_poll="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_poll" = "yes"; then | 
 |     AC_MSG_CHECKING([if poll is prototyped]) | 
 |     AC_EGREP_CPP([poll],[ | 
 |       $curl_includes_poll | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_poll="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_poll="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_poll" = "yes"; then | 
 |     AC_MSG_CHECKING([if poll is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_poll | 
 |       ]],[[ | 
 |         if(0 != poll(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_poll="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_poll="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_compi_poll" = "yes"; then | 
 |     AC_MSG_CHECKING([if poll seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_poll | 
 |         $curl_includes_time | 
 |       ]],[[ | 
 |         /* detect the original poll() breakage */ | 
 |         if(0 != poll(0, 0, 10)) | 
 |           exit(1); /* fail */ | 
 |         else { | 
 |           /* detect the 10.12 poll() breakage */ | 
 |           struct timeval before, after; | 
 |           int rc; | 
 |           size_t us; | 
 |  | 
 |           gettimeofday(&before, NULL); | 
 |           rc = poll(NULL, 0, 500); | 
 |           gettimeofday(&after, NULL); | 
 |  | 
 |           us = (after.tv_sec - before.tv_sec) * 1000000 + | 
 |             (after.tv_usec - before.tv_usec); | 
 |  | 
 |           if(us < 400000) | 
 |             exit(1); | 
 |         } | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_poll="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_poll="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_poll" = "yes" && | 
 |     test "$tst_works_poll" != "no"; then | 
 |     AC_MSG_CHECKING([if poll usage allowed]) | 
 |     if test "x$curl_disallow_poll" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_poll="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_poll="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if poll might be used]) | 
 |   if test "$tst_links_poll" = "yes" && | 
 |      test "$tst_proto_poll" = "yes" && | 
 |      test "$tst_compi_poll" = "yes" && | 
 |      test "$tst_allow_poll" = "yes" && | 
 |      test "$tst_works_poll" != "no"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_POLL, 1, | 
 |       [Define to 1 if you have a working poll function.]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_POLL_FINE, 1, | 
 |       [If you have a fine poll]) | 
 |     curl_cv_func_poll="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_poll="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_REMOVEXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if removexattr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_removexattr, then | 
 | dnl HAVE_REMOVEXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_REMOVEXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_removexattr="unknown" | 
 |   tst_proto_removexattr="unknown" | 
 |   tst_compi_removexattr="unknown" | 
 |   tst_allow_removexattr="unknown" | 
 |   tst_nargs_removexattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if removexattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([removexattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_removexattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_removexattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_removexattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if removexattr is prototyped]) | 
 |     AC_EGREP_CPP([removexattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_removexattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_removexattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_removexattr" = "yes"; then | 
 |     if test "$tst_nargs_removexattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if removexattr takes 2 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != removexattr(0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_removexattr="yes" | 
 |         tst_nargs_removexattr="2" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_removexattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_removexattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if removexattr takes 3 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != removexattr(0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_removexattr="yes" | 
 |         tst_nargs_removexattr="3" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_removexattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if removexattr is compilable]) | 
 |     if test "$tst_compi_removexattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_removexattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if removexattr usage allowed]) | 
 |     if test "x$curl_disallow_removexattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_removexattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_removexattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if removexattr might be used]) | 
 |   if test "$tst_links_removexattr" = "yes" && | 
 |      test "$tst_proto_removexattr" = "yes" && | 
 |      test "$tst_compi_removexattr" = "yes" && | 
 |      test "$tst_allow_removexattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_REMOVEXATTR, 1, | 
 |       [Define to 1 if you have the removexattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(REMOVEXATTR_ARGS, $tst_nargs_removexattr, | 
 |     dnl   [Specifies the number of arguments to removexattr]) | 
 |     # | 
 |     if test "$tst_nargs_removexattr" -eq "2"; then | 
 |       AC_DEFINE(HAVE_REMOVEXATTR_2, 1, [removexattr() takes 2 args]) | 
 |     elif test "$tst_nargs_removexattr" -eq "3"; then | 
 |       AC_DEFINE(HAVE_REMOVEXATTR_3, 1, [removexattr() takes 3 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_removexattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_removexattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SETSOCKOPT | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if setsockopt 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_setsockopt, then | 
 | dnl HAVE_SETSOCKOPT will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SETSOCKOPT], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl | 
 |   # | 
 |   tst_links_setsockopt="unknown" | 
 |   tst_proto_setsockopt="unknown" | 
 |   tst_compi_setsockopt="unknown" | 
 |   tst_allow_setsockopt="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if setsockopt can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_sys_socket | 
 |     ]],[[ | 
 |       if(0 != setsockopt(0, 0, 0, 0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_setsockopt="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_setsockopt="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_setsockopt" = "yes"; then | 
 |     AC_MSG_CHECKING([if setsockopt is prototyped]) | 
 |     AC_EGREP_CPP([setsockopt],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_sys_socket | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_setsockopt="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_setsockopt="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_setsockopt" = "yes"; then | 
 |     AC_MSG_CHECKING([if setsockopt is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_sys_socket | 
 |       ]],[[ | 
 |         if(0 != setsockopt(0, 0, 0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_setsockopt="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_setsockopt="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_setsockopt" = "yes"; then | 
 |     AC_MSG_CHECKING([if setsockopt usage allowed]) | 
 |     if test "x$curl_disallow_setsockopt" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_setsockopt="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_setsockopt="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if setsockopt might be used]) | 
 |   if test "$tst_links_setsockopt" = "yes" && | 
 |      test "$tst_proto_setsockopt" = "yes" && | 
 |      test "$tst_compi_setsockopt" = "yes" && | 
 |      test "$tst_allow_setsockopt" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SETSOCKOPT, 1, | 
 |       [Define to 1 if you have the setsockopt function.]) | 
 |     curl_cv_func_setsockopt="yes" | 
 |     CURL_CHECK_FUNC_SETSOCKOPT_SO_NONBLOCK | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_setsockopt="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SETSOCKOPT_SO_NONBLOCK | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if setsockopt with the SO_NONBLOCK command is | 
 | dnl available, can be compiled, and seems to work. If | 
 | dnl all of these are true, then HAVE_SETSOCKOPT_SO_NONBLOCK | 
 | dnl will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SETSOCKOPT_SO_NONBLOCK], [ | 
 |   # | 
 |   tst_compi_setsockopt_so_nonblock="unknown" | 
 |   tst_allow_setsockopt_so_nonblock="unknown" | 
 |   # | 
 |   if test "$curl_cv_func_setsockopt" = "yes"; then | 
 |     AC_MSG_CHECKING([if setsockopt SO_NONBLOCK is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_sys_socket | 
 |       ]],[[ | 
 |         if(0 != setsockopt(0, SOL_SOCKET, SO_NONBLOCK, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_setsockopt_so_nonblock="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_setsockopt_so_nonblock="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_setsockopt_so_nonblock" = "yes"; then | 
 |     AC_MSG_CHECKING([if setsockopt SO_NONBLOCK usage allowed]) | 
 |     if test "x$curl_disallow_setsockopt_so_nonblock" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_setsockopt_so_nonblock="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_setsockopt_so_nonblock="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if setsockopt SO_NONBLOCK might be used]) | 
 |   if test "$tst_compi_setsockopt_so_nonblock" = "yes" && | 
 |      test "$tst_allow_setsockopt_so_nonblock" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SETSOCKOPT_SO_NONBLOCK, 1, | 
 |       [Define to 1 if you have a working setsockopt SO_NONBLOCK function.]) | 
 |     curl_cv_func_setsockopt_so_nonblock="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_setsockopt_so_nonblock="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SETXATTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if setxattr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_setxattr, then | 
 | dnl HAVE_SETXATTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SETXATTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_XATTR])dnl | 
 |   # | 
 |   tst_links_setxattr="unknown" | 
 |   tst_proto_setxattr="unknown" | 
 |   tst_compi_setxattr="unknown" | 
 |   tst_allow_setxattr="unknown" | 
 |   tst_nargs_setxattr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if setxattr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([setxattr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_setxattr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_setxattr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_setxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if setxattr is prototyped]) | 
 |     AC_EGREP_CPP([setxattr],[ | 
 |       $curl_includes_sys_xattr | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_setxattr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_setxattr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_setxattr" = "yes"; then | 
 |     if test "$tst_nargs_setxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if setxattr takes 5 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != setxattr(0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_setxattr="yes" | 
 |         tst_nargs_setxattr="5" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_setxattr="no" | 
 |       ]) | 
 |     fi | 
 |     if test "$tst_nargs_setxattr" = "unknown"; then | 
 |       AC_MSG_CHECKING([if setxattr takes 6 args.]) | 
 |       AC_COMPILE_IFELSE([ | 
 |         AC_LANG_PROGRAM([[ | 
 |           $curl_includes_sys_xattr | 
 |         ]],[[ | 
 |           if(0 != setxattr(0, 0, 0, 0, 0, 0)) | 
 |             return 1; | 
 |         ]]) | 
 |       ],[ | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_compi_setxattr="yes" | 
 |         tst_nargs_setxattr="6" | 
 |       ],[ | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_compi_setxattr="no" | 
 |       ]) | 
 |     fi | 
 |     AC_MSG_CHECKING([if setxattr is compilable]) | 
 |     if test "$tst_compi_setxattr" = "yes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |     fi | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_setxattr" = "yes"; then | 
 |     AC_MSG_CHECKING([if setxattr usage allowed]) | 
 |     if test "x$curl_disallow_setxattr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_setxattr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_setxattr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if setxattr might be used]) | 
 |   if test "$tst_links_setxattr" = "yes" && | 
 |      test "$tst_proto_setxattr" = "yes" && | 
 |      test "$tst_compi_setxattr" = "yes" && | 
 |      test "$tst_allow_setxattr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SETXATTR, 1, | 
 |       [Define to 1 if you have the setxattr function.]) | 
 |     dnl AC_DEFINE_UNQUOTED(SETXATTR_ARGS, $tst_nargs_setxattr, | 
 |     dnl   [Specifies the number of arguments to setxattr]) | 
 |     # | 
 |     if test "$tst_nargs_setxattr" -eq "5"; then | 
 |       AC_DEFINE(HAVE_SETXATTR_5, 1, [setxattr() takes 5 args]) | 
 |     elif test "$tst_nargs_setxattr" -eq "6"; then | 
 |       AC_DEFINE(HAVE_SETXATTR_6, 1, [setxattr() takes 6 args]) | 
 |     fi | 
 |     # | 
 |     curl_cv_func_setxattr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_setxattr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SIGACTION | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if sigaction is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_sigaction, then | 
 | dnl HAVE_SIGACTION will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SIGACTION], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SIGNAL])dnl | 
 |   # | 
 |   tst_links_sigaction="unknown" | 
 |   tst_proto_sigaction="unknown" | 
 |   tst_compi_sigaction="unknown" | 
 |   tst_allow_sigaction="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if sigaction can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([sigaction]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_sigaction="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_sigaction="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_sigaction" = "yes"; then | 
 |     AC_MSG_CHECKING([if sigaction is prototyped]) | 
 |     AC_EGREP_CPP([sigaction],[ | 
 |       $curl_includes_signal | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_sigaction="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_sigaction="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_sigaction" = "yes"; then | 
 |     AC_MSG_CHECKING([if sigaction is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_signal | 
 |       ]],[[ | 
 |         if(0 != sigaction(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_sigaction="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_sigaction="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_sigaction" = "yes"; then | 
 |     AC_MSG_CHECKING([if sigaction usage allowed]) | 
 |     if test "x$curl_disallow_sigaction" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_sigaction="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_sigaction="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if sigaction might be used]) | 
 |   if test "$tst_links_sigaction" = "yes" && | 
 |      test "$tst_proto_sigaction" = "yes" && | 
 |      test "$tst_compi_sigaction" = "yes" && | 
 |      test "$tst_allow_sigaction" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SIGACTION, 1, | 
 |       [Define to 1 if you have the sigaction function.]) | 
 |     curl_cv_func_sigaction="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_sigaction="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SIGINTERRUPT | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if siginterrupt is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_siginterrupt, then | 
 | dnl HAVE_SIGINTERRUPT will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SIGINTERRUPT], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SIGNAL])dnl | 
 |   # | 
 |   tst_links_siginterrupt="unknown" | 
 |   tst_proto_siginterrupt="unknown" | 
 |   tst_compi_siginterrupt="unknown" | 
 |   tst_allow_siginterrupt="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if siginterrupt can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([siginterrupt]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_siginterrupt="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_siginterrupt="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_siginterrupt" = "yes"; then | 
 |     AC_MSG_CHECKING([if siginterrupt is prototyped]) | 
 |     AC_EGREP_CPP([siginterrupt],[ | 
 |       $curl_includes_signal | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_siginterrupt="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_siginterrupt="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_siginterrupt" = "yes"; then | 
 |     AC_MSG_CHECKING([if siginterrupt is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_signal | 
 |       ]],[[ | 
 |         if(0 != siginterrupt(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_siginterrupt="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_siginterrupt="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_siginterrupt" = "yes"; then | 
 |     AC_MSG_CHECKING([if siginterrupt usage allowed]) | 
 |     if test "x$curl_disallow_siginterrupt" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_siginterrupt="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_siginterrupt="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if siginterrupt might be used]) | 
 |   if test "$tst_links_siginterrupt" = "yes" && | 
 |      test "$tst_proto_siginterrupt" = "yes" && | 
 |      test "$tst_compi_siginterrupt" = "yes" && | 
 |      test "$tst_allow_siginterrupt" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SIGINTERRUPT, 1, | 
 |       [Define to 1 if you have the siginterrupt function.]) | 
 |     curl_cv_func_siginterrupt="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_siginterrupt="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SIGNAL | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if signal is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_signal, then | 
 | dnl HAVE_SIGNAL will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SIGNAL], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SIGNAL])dnl | 
 |   # | 
 |   tst_links_signal="unknown" | 
 |   tst_proto_signal="unknown" | 
 |   tst_compi_signal="unknown" | 
 |   tst_allow_signal="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if signal can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([signal]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_signal="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_signal="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_signal" = "yes"; then | 
 |     AC_MSG_CHECKING([if signal is prototyped]) | 
 |     AC_EGREP_CPP([signal],[ | 
 |       $curl_includes_signal | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_signal="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_signal="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_signal" = "yes"; then | 
 |     AC_MSG_CHECKING([if signal is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_signal | 
 |       ]],[[ | 
 |         if(0 != signal(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_signal="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_signal="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_signal" = "yes"; then | 
 |     AC_MSG_CHECKING([if signal usage allowed]) | 
 |     if test "x$curl_disallow_signal" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_signal="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_signal="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if signal might be used]) | 
 |   if test "$tst_links_signal" = "yes" && | 
 |      test "$tst_proto_signal" = "yes" && | 
 |      test "$tst_compi_signal" = "yes" && | 
 |      test "$tst_allow_signal" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SIGNAL, 1, | 
 |       [Define to 1 if you have the signal function.]) | 
 |     curl_cv_func_signal="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_signal="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SIGSETJMP | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if sigsetjmp is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_sigsetjmp, then | 
 | dnl HAVE_SIGSETJMP will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SIGSETJMP], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SETJMP])dnl | 
 |   # | 
 |   tst_links_sigsetjmp="unknown" | 
 |   tst_macro_sigsetjmp="unknown" | 
 |   tst_proto_sigsetjmp="unknown" | 
 |   tst_compi_sigsetjmp="unknown" | 
 |   tst_allow_sigsetjmp="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if sigsetjmp can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([sigsetjmp]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_sigsetjmp="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_sigsetjmp="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_sigsetjmp" = "no"; then | 
 |     AC_MSG_CHECKING([if sigsetjmp seems a macro]) | 
 |     AC_LINK_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_setjmp | 
 |       ]],[[ | 
 |         sigjmp_buf env; | 
 |         if(0 != sigsetjmp(env, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_macro_sigsetjmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_macro_sigsetjmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_links_sigsetjmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if sigsetjmp is prototyped]) | 
 |     AC_EGREP_CPP([sigsetjmp],[ | 
 |       $curl_includes_setjmp | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_sigsetjmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_sigsetjmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_sigsetjmp" = "yes" || | 
 |      test "$tst_macro_sigsetjmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if sigsetjmp is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_setjmp | 
 |       ]],[[ | 
 |         sigjmp_buf env; | 
 |         if(0 != sigsetjmp(env, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_sigsetjmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_sigsetjmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_sigsetjmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if sigsetjmp usage allowed]) | 
 |     if test "x$curl_disallow_sigsetjmp" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_sigsetjmp="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_sigsetjmp="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if sigsetjmp might be used]) | 
 |   if (test "$tst_proto_sigsetjmp" = "yes" || | 
 |       test "$tst_macro_sigsetjmp" = "yes") && | 
 |      test "$tst_compi_sigsetjmp" = "yes" && | 
 |      test "$tst_allow_sigsetjmp" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SIGSETJMP, 1, | 
 |       [Define to 1 if you have the sigsetjmp function or macro.]) | 
 |     curl_cv_func_sigsetjmp="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_sigsetjmp="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SOCKET | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if socket 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_socket, then | 
 | dnl HAVE_SOCKET will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SOCKET], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SOCKET])dnl | 
 |   # | 
 |   tst_links_socket="unknown" | 
 |   tst_proto_socket="unknown" | 
 |   tst_compi_socket="unknown" | 
 |   tst_allow_socket="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if socket can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_PROGRAM([[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_sys_socket | 
 |       $curl_includes_socket | 
 |     ]],[[ | 
 |       if(0 != socket(0, 0, 0)) | 
 |         return 1; | 
 |     ]]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_socket="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_socket="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_socket" = "yes"; then | 
 |     AC_MSG_CHECKING([if socket is prototyped]) | 
 |     AC_EGREP_CPP([socket],[ | 
 |       $curl_includes_winsock2 | 
 |       $curl_includes_sys_socket | 
 |       $curl_includes_socket | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_socket="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_socket="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_socket" = "yes"; then | 
 |     AC_MSG_CHECKING([if socket is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_winsock2 | 
 |         $curl_includes_sys_socket | 
 |         $curl_includes_socket | 
 |       ]],[[ | 
 |         if(0 != socket(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_socket="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_socket="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_socket" = "yes"; then | 
 |     AC_MSG_CHECKING([if socket usage allowed]) | 
 |     if test "x$curl_disallow_socket" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_socket="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_socket="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if socket might be used]) | 
 |   if test "$tst_links_socket" = "yes" && | 
 |      test "$tst_proto_socket" = "yes" && | 
 |      test "$tst_compi_socket" = "yes" && | 
 |      test "$tst_allow_socket" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SOCKET, 1, | 
 |       [Define to 1 if you have the socket function.]) | 
 |     curl_cv_func_socket="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_socket="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_SOCKETPAIR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if socketpair is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_socketpair, then | 
 | dnl HAVE_SOCKETPAIR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_SOCKETPAIR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_SOCKET])dnl | 
 |   # | 
 |   tst_links_socketpair="unknown" | 
 |   tst_proto_socketpair="unknown" | 
 |   tst_compi_socketpair="unknown" | 
 |   tst_allow_socketpair="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if socketpair can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([socketpair]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_socketpair="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_socketpair="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_socketpair" = "yes"; then | 
 |     AC_MSG_CHECKING([if socketpair is prototyped]) | 
 |     AC_EGREP_CPP([socketpair],[ | 
 |       $curl_includes_sys_socket | 
 |       $curl_includes_socket | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_socketpair="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_socketpair="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_socketpair" = "yes"; then | 
 |     AC_MSG_CHECKING([if socketpair is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_sys_socket | 
 |         $curl_includes_socket | 
 |       ]],[[ | 
 |         int sv[2]; | 
 |         if(0 != socketpair(0, 0, 0, sv)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_socketpair="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_socketpair="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_socketpair" = "yes"; then | 
 |     AC_MSG_CHECKING([if socketpair usage allowed]) | 
 |     if test "x$curl_disallow_socketpair" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_socketpair="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_socketpair="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if socketpair might be used]) | 
 |   if test "$tst_links_socketpair" = "yes" && | 
 |      test "$tst_proto_socketpair" = "yes" && | 
 |      test "$tst_compi_socketpair" = "yes" && | 
 |      test "$tst_allow_socketpair" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_SOCKETPAIR, 1, | 
 |       [Define to 1 if you have the socketpair function.]) | 
 |     curl_cv_func_socketpair="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_socketpair="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRCASECMP | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strcasecmp is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strcasecmp, then | 
 | dnl HAVE_STRCASECMP will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRCASECMP], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strcasecmp="unknown" | 
 |   tst_proto_strcasecmp="unknown" | 
 |   tst_compi_strcasecmp="unknown" | 
 |   tst_allow_strcasecmp="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strcasecmp can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strcasecmp]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strcasecmp="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strcasecmp="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strcasecmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strcasecmp is prototyped]) | 
 |     AC_EGREP_CPP([strcasecmp],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strcasecmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strcasecmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strcasecmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strcasecmp is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strcasecmp(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strcasecmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strcasecmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strcasecmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strcasecmp usage allowed]) | 
 |     if test "x$curl_disallow_strcasecmp" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strcasecmp="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strcasecmp="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strcasecmp might be used]) | 
 |   if test "$tst_links_strcasecmp" = "yes" && | 
 |      test "$tst_proto_strcasecmp" = "yes" && | 
 |      test "$tst_compi_strcasecmp" = "yes" && | 
 |      test "$tst_allow_strcasecmp" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRCASECMP, 1, | 
 |       [Define to 1 if you have the strcasecmp function.]) | 
 |     curl_cv_func_strcasecmp="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strcasecmp="no" | 
 |   fi | 
 | ]) | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRCMPI | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strcmpi is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strcmpi, then | 
 | dnl HAVE_STRCMPI will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRCMPI], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strcmpi="unknown" | 
 |   tst_proto_strcmpi="unknown" | 
 |   tst_compi_strcmpi="unknown" | 
 |   tst_allow_strcmpi="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strcmpi can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strcmpi]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strcmpi="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strcmpi="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strcmpi" = "yes"; then | 
 |     AC_MSG_CHECKING([if strcmpi is prototyped]) | 
 |     AC_EGREP_CPP([strcmpi],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strcmpi="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strcmpi="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strcmpi" = "yes"; then | 
 |     AC_MSG_CHECKING([if strcmpi is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strcmpi(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strcmpi="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strcmpi="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strcmpi" = "yes"; then | 
 |     AC_MSG_CHECKING([if strcmpi usage allowed]) | 
 |     if test "x$curl_disallow_strcmpi" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strcmpi="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strcmpi="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strcmpi might be used]) | 
 |   if test "$tst_links_strcmpi" = "yes" && | 
 |      test "$tst_proto_strcmpi" = "yes" && | 
 |      test "$tst_compi_strcmpi" = "yes" && | 
 |      test "$tst_allow_strcmpi" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRCMPI, 1, | 
 |       [Define to 1 if you have the strcmpi function.]) | 
 |     curl_cv_func_strcmpi="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strcmpi="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRDUP | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strdup is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strdup, then | 
 | dnl HAVE_STRDUP will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRDUP], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strdup="unknown" | 
 |   tst_proto_strdup="unknown" | 
 |   tst_compi_strdup="unknown" | 
 |   tst_allow_strdup="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strdup can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strdup]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strdup="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strdup="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strdup" = "yes"; then | 
 |     AC_MSG_CHECKING([if strdup is prototyped]) | 
 |     AC_EGREP_CPP([strdup],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strdup="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strdup="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strdup" = "yes"; then | 
 |     AC_MSG_CHECKING([if strdup is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strdup(0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strdup="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strdup="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strdup" = "yes"; then | 
 |     AC_MSG_CHECKING([if strdup usage allowed]) | 
 |     if test "x$curl_disallow_strdup" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strdup="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strdup="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strdup might be used]) | 
 |   if test "$tst_links_strdup" = "yes" && | 
 |      test "$tst_proto_strdup" = "yes" && | 
 |      test "$tst_compi_strdup" = "yes" && | 
 |      test "$tst_allow_strdup" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRDUP, 1, | 
 |       [Define to 1 if you have the strdup function.]) | 
 |     curl_cv_func_strdup="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strdup="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRERROR_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strerror_r is available, prototyped, can be compiled and | 
 | dnl seems to work. If all of these are true, and usage has not been | 
 | dnl previously disallowed with shell variable curl_disallow_strerror_r, | 
 | dnl then HAVE_STRERROR_R and STRERROR_R_TYPE_ARG3 will be defined, as | 
 | dnl well as one of HAVE_GLIBC_STRERROR_R or HAVE_POSIX_STRERROR_R. | 
 | dnl | 
 | dnl glibc-style strerror_r: | 
 | dnl | 
 | dnl      char *strerror_r(int errnum, char *workbuf, size_t bufsize); | 
 | dnl | 
 | dnl  glibc-style strerror_r returns a pointer to the the error string, | 
 | dnl  and might use the provided workbuf as a scratch area if needed. A | 
 | dnl  quick test on a few systems shows that it's usually not used at all. | 
 | dnl | 
 | dnl POSIX-style strerror_r: | 
 | dnl | 
 | dnl      int strerror_r(int errnum, char *resultbuf, size_t bufsize); | 
 | dnl | 
 | dnl  POSIX-style strerror_r returns 0 upon successful completion and the | 
 | dnl  error string in the provided resultbuf. | 
 | dnl | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRERROR_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strerror_r="unknown" | 
 |   tst_proto_strerror_r="unknown" | 
 |   tst_compi_strerror_r="unknown" | 
 |   tst_glibc_strerror_r="unknown" | 
 |   tst_posix_strerror_r="unknown" | 
 |   tst_allow_strerror_r="unknown" | 
 |   tst_works_glibc_strerror_r="unknown" | 
 |   tst_works_posix_strerror_r="unknown" | 
 |   tst_glibc_strerror_r_type_arg3="unknown" | 
 |   tst_posix_strerror_r_type_arg3="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strerror_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strerror_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strerror_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strerror_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strerror_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strerror_r is prototyped]) | 
 |     AC_EGREP_CPP([strerror_r],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strerror_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strerror_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strerror_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strerror_r is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strerror_r(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strerror_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strerror_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strerror_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strerror_r is glibc like]) | 
 |     tst_glibc_strerror_r_type_arg3="unknown" | 
 |     for arg3 in 'size_t' 'int' 'unsigned int'; do | 
 |       if test "$tst_glibc_strerror_r_type_arg3" = "unknown"; then | 
 |         AC_COMPILE_IFELSE([ | 
 |           AC_LANG_PROGRAM([[ | 
 |             $curl_includes_string | 
 |             char *strerror_r(int errnum, char *workbuf, $arg3 bufsize); | 
 |           ]],[[ | 
 |             if(0 != strerror_r(0, 0, 0)) | 
 |               return 1; | 
 |           ]]) | 
 |         ],[ | 
 |           tst_glibc_strerror_r_type_arg3="$arg3" | 
 |         ]) | 
 |       fi | 
 |     done | 
 |     case "$tst_glibc_strerror_r_type_arg3" in | 
 |       unknown) | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_glibc_strerror_r="no" | 
 |         ;; | 
 |       *) | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_glibc_strerror_r="yes" | 
 |         ;; | 
 |     esac | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_glibc_strerror_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strerror_r seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_string | 
 | #       include <errno.h> | 
 |       ]],[[ | 
 |         char buffer[1024]; | 
 |         char *string = 0; | 
 |         buffer[0] = '\0'; | 
 |         string = strerror_r(EACCES, buffer, sizeof(buffer)); | 
 |         if(!string) | 
 |           exit(1); /* fail */ | 
 |         if(!string[0]) | 
 |           exit(1); /* fail */ | 
 |         else | 
 |           exit(0); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_glibc_strerror_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_glibc_strerror_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strerror_r" = "yes" && | 
 |     test "$tst_works_glibc_strerror_r" != "yes"; then | 
 |     AC_MSG_CHECKING([if strerror_r is POSIX like]) | 
 |     tst_posix_strerror_r_type_arg3="unknown" | 
 |     for arg3 in 'size_t' 'int' 'unsigned int'; do | 
 |       if test "$tst_posix_strerror_r_type_arg3" = "unknown"; then | 
 |         AC_COMPILE_IFELSE([ | 
 |           AC_LANG_PROGRAM([[ | 
 |             $curl_includes_string | 
 |             int strerror_r(int errnum, char *resultbuf, $arg3 bufsize); | 
 |           ]],[[ | 
 |             if(0 != strerror_r(0, 0, 0)) | 
 |               return 1; | 
 |           ]]) | 
 |         ],[ | 
 |           tst_posix_strerror_r_type_arg3="$arg3" | 
 |         ]) | 
 |       fi | 
 |     done | 
 |     case "$tst_posix_strerror_r_type_arg3" in | 
 |       unknown) | 
 |         AC_MSG_RESULT([no]) | 
 |         tst_posix_strerror_r="no" | 
 |         ;; | 
 |       *) | 
 |         AC_MSG_RESULT([yes]) | 
 |         tst_posix_strerror_r="yes" | 
 |         ;; | 
 |     esac | 
 |   fi | 
 |   # | 
 |   dnl only do runtime verification when not cross-compiling | 
 |   if test "x$cross_compiling" != "xyes" && | 
 |     test "$tst_posix_strerror_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strerror_r seems to work]) | 
 |     AC_RUN_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |         $curl_includes_string | 
 | #       include <errno.h> | 
 |       ]],[[ | 
 |         char buffer[1024]; | 
 |         int error = 1; | 
 |         buffer[0] = '\0'; | 
 |         error = strerror_r(EACCES, buffer, sizeof(buffer)); | 
 |         if(error) | 
 |           exit(1); /* fail */ | 
 |         if(buffer[0] == '\0') | 
 |           exit(1); /* fail */ | 
 |         else | 
 |           exit(0); | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_works_posix_strerror_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_works_posix_strerror_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_works_glibc_strerror_r" = "yes"; then | 
 |     tst_posix_strerror_r="no" | 
 |   fi | 
 |   if test "$tst_works_posix_strerror_r" = "yes"; then | 
 |     tst_glibc_strerror_r="no" | 
 |   fi | 
 |   if test "$tst_glibc_strerror_r" = "yes" && | 
 |     test "$tst_works_glibc_strerror_r" != "no" && | 
 |     test "$tst_posix_strerror_r" != "yes"; then | 
 |     tst_allow_strerror_r="check" | 
 |   fi | 
 |   if test "$tst_posix_strerror_r" = "yes" && | 
 |     test "$tst_works_posix_strerror_r" != "no" && | 
 |     test "$tst_glibc_strerror_r" != "yes"; then | 
 |     tst_allow_strerror_r="check" | 
 |   fi | 
 |   if test "$tst_allow_strerror_r" = "check"; then | 
 |     AC_MSG_CHECKING([if strerror_r usage allowed]) | 
 |     if test "x$curl_disallow_strerror_r" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strerror_r="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strerror_r="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strerror_r might be used]) | 
 |   if test "$tst_links_strerror_r" = "yes" && | 
 |      test "$tst_proto_strerror_r" = "yes" && | 
 |      test "$tst_compi_strerror_r" = "yes" && | 
 |      test "$tst_allow_strerror_r" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     if test "$tst_glibc_strerror_r" = "yes"; then | 
 |       AC_DEFINE_UNQUOTED(HAVE_STRERROR_R, 1, | 
 |         [Define to 1 if you have the strerror_r function.]) | 
 |       AC_DEFINE_UNQUOTED(HAVE_GLIBC_STRERROR_R, 1, | 
 |         [Define to 1 if you have a working glibc-style strerror_r function.]) | 
 |       AC_DEFINE_UNQUOTED(STRERROR_R_TYPE_ARG3, $tst_glibc_strerror_r_type_arg3, | 
 |         [Define to the type of arg 3 for strerror_r.]) | 
 |     fi | 
 |     if test "$tst_posix_strerror_r" = "yes"; then | 
 |       AC_DEFINE_UNQUOTED(HAVE_STRERROR_R, 1, | 
 |         [Define to 1 if you have the strerror_r function.]) | 
 |       AC_DEFINE_UNQUOTED(HAVE_POSIX_STRERROR_R, 1, | 
 |         [Define to 1 if you have a working POSIX-style strerror_r function.]) | 
 |       AC_DEFINE_UNQUOTED(STRERROR_R_TYPE_ARG3, $tst_posix_strerror_r_type_arg3, | 
 |         [Define to the type of arg 3 for strerror_r.]) | 
 |     fi | 
 |     curl_cv_func_strerror_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strerror_r="no" | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strerror_r" = "yes" && | 
 |      test "$tst_allow_strerror_r" = "unknown"; then | 
 |     AC_MSG_WARN([cannot determine strerror_r() style: edit lib/curl_config.h manually.]) | 
 |   fi | 
 |   # | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRICMP | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if stricmp is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_stricmp, then | 
 | dnl HAVE_STRICMP will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRICMP], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_stricmp="unknown" | 
 |   tst_proto_stricmp="unknown" | 
 |   tst_compi_stricmp="unknown" | 
 |   tst_allow_stricmp="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if stricmp can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([stricmp]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_stricmp="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_stricmp="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_stricmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if stricmp is prototyped]) | 
 |     AC_EGREP_CPP([stricmp],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_stricmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_stricmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_stricmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if stricmp is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != stricmp(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_stricmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_stricmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_stricmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if stricmp usage allowed]) | 
 |     if test "x$curl_disallow_stricmp" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_stricmp="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_stricmp="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if stricmp might be used]) | 
 |   if test "$tst_links_stricmp" = "yes" && | 
 |      test "$tst_proto_stricmp" = "yes" && | 
 |      test "$tst_compi_stricmp" = "yes" && | 
 |      test "$tst_allow_stricmp" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRICMP, 1, | 
 |       [Define to 1 if you have the stricmp function.]) | 
 |     curl_cv_func_stricmp="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_stricmp="no" | 
 |   fi | 
 | ]) | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRNCASECMP | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strncasecmp is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strncasecmp, then | 
 | dnl HAVE_STRNCASECMP will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRNCASECMP], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strncasecmp="unknown" | 
 |   tst_proto_strncasecmp="unknown" | 
 |   tst_compi_strncasecmp="unknown" | 
 |   tst_allow_strncasecmp="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strncasecmp can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strncasecmp]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strncasecmp="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strncasecmp="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strncasecmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strncasecmp is prototyped]) | 
 |     AC_EGREP_CPP([strncasecmp],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strncasecmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strncasecmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strncasecmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strncasecmp is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strncasecmp(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strncasecmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strncasecmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strncasecmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strncasecmp usage allowed]) | 
 |     if test "x$curl_disallow_strncasecmp" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strncasecmp="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strncasecmp="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strncasecmp might be used]) | 
 |   if test "$tst_links_strncasecmp" = "yes" && | 
 |      test "$tst_proto_strncasecmp" = "yes" && | 
 |      test "$tst_compi_strncasecmp" = "yes" && | 
 |      test "$tst_allow_strncasecmp" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRNCASECMP, 1, | 
 |       [Define to 1 if you have the strncasecmp function.]) | 
 |     curl_cv_func_strncasecmp="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strncasecmp="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRNCMPI | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strncmpi is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strncmpi, then | 
 | dnl HAVE_STRNCMPI will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRNCMPI], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strncmpi="unknown" | 
 |   tst_proto_strncmpi="unknown" | 
 |   tst_compi_strncmpi="unknown" | 
 |   tst_allow_strncmpi="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strncmpi can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strncmpi]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strncmpi="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strncmpi="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strncmpi" = "yes"; then | 
 |     AC_MSG_CHECKING([if strncmpi is prototyped]) | 
 |     AC_EGREP_CPP([strncmpi],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strncmpi="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strncmpi="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strncmpi" = "yes"; then | 
 |     AC_MSG_CHECKING([if strncmpi is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strncmpi(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strncmpi="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strncmpi="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strncmpi" = "yes"; then | 
 |     AC_MSG_CHECKING([if strncmpi usage allowed]) | 
 |     if test "x$curl_disallow_strncmpi" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strncmpi="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strncmpi="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strncmpi might be used]) | 
 |   if test "$tst_links_strncmpi" = "yes" && | 
 |      test "$tst_proto_strncmpi" = "yes" && | 
 |      test "$tst_compi_strncmpi" = "yes" && | 
 |      test "$tst_allow_strncmpi" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRNCMPI, 1, | 
 |       [Define to 1 if you have the strncmpi function.]) | 
 |     curl_cv_func_strncmpi="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strncmpi="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRNICMP | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strnicmp is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strnicmp, then | 
 | dnl HAVE_STRNICMP will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRNICMP], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strnicmp="unknown" | 
 |   tst_proto_strnicmp="unknown" | 
 |   tst_compi_strnicmp="unknown" | 
 |   tst_allow_strnicmp="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strnicmp can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strnicmp]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strnicmp="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strnicmp="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strnicmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strnicmp is prototyped]) | 
 |     AC_EGREP_CPP([strnicmp],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strnicmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strnicmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strnicmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strnicmp is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strnicmp(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strnicmp="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strnicmp="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strnicmp" = "yes"; then | 
 |     AC_MSG_CHECKING([if strnicmp usage allowed]) | 
 |     if test "x$curl_disallow_strnicmp" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strnicmp="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strnicmp="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strnicmp might be used]) | 
 |   if test "$tst_links_strnicmp" = "yes" && | 
 |      test "$tst_proto_strnicmp" = "yes" && | 
 |      test "$tst_compi_strnicmp" = "yes" && | 
 |      test "$tst_allow_strnicmp" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRNICMP, 1, | 
 |       [Define to 1 if you have the strnicmp function.]) | 
 |     curl_cv_func_strnicmp="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strnicmp="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRSTR | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strstr is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strstr, then | 
 | dnl HAVE_STRSTR will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRSTR], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strstr="unknown" | 
 |   tst_proto_strstr="unknown" | 
 |   tst_compi_strstr="unknown" | 
 |   tst_allow_strstr="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strstr can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strstr]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strstr="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strstr="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strstr" = "yes"; then | 
 |     AC_MSG_CHECKING([if strstr is prototyped]) | 
 |     AC_EGREP_CPP([strstr],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strstr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strstr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strstr" = "yes"; then | 
 |     AC_MSG_CHECKING([if strstr is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strstr(0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strstr="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strstr="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strstr" = "yes"; then | 
 |     AC_MSG_CHECKING([if strstr usage allowed]) | 
 |     if test "x$curl_disallow_strstr" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strstr="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strstr="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strstr might be used]) | 
 |   if test "$tst_links_strstr" = "yes" && | 
 |      test "$tst_proto_strstr" = "yes" && | 
 |      test "$tst_compi_strstr" = "yes" && | 
 |      test "$tst_allow_strstr" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRSTR, 1, | 
 |       [Define to 1 if you have the strstr function.]) | 
 |     curl_cv_func_strstr="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strstr="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRTOK_R | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strtok_r is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strtok_r, then | 
 | dnl HAVE_STRTOK_R will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRTOK_R], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STRING])dnl | 
 |   # | 
 |   tst_links_strtok_r="unknown" | 
 |   tst_proto_strtok_r="unknown" | 
 |   tst_compi_strtok_r="unknown" | 
 |   tst_allow_strtok_r="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strtok_r can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strtok_r]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strtok_r="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strtok_r="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strtok_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strtok_r is prototyped]) | 
 |     AC_EGREP_CPP([strtok_r],[ | 
 |       $curl_includes_string | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strtok_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strtok_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strtok_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strtok_r is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_string | 
 |       ]],[[ | 
 |         if(0 != strtok_r(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strtok_r="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strtok_r="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strtok_r" = "yes"; then | 
 |     AC_MSG_CHECKING([if strtok_r usage allowed]) | 
 |     if test "x$curl_disallow_strtok_r" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strtok_r="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strtok_r="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strtok_r might be used]) | 
 |   if test "$tst_links_strtok_r" = "yes" && | 
 |      test "$tst_proto_strtok_r" = "yes" && | 
 |      test "$tst_compi_strtok_r" = "yes" && | 
 |      test "$tst_allow_strtok_r" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRTOK_R, 1, | 
 |       [Define to 1 if you have the strtok_r function.]) | 
 |     curl_cv_func_strtok_r="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strtok_r="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_STRTOLL | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if strtoll is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_strtoll, then | 
 | dnl HAVE_STRTOLL will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_STRTOLL], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_STDLIB])dnl | 
 |   # | 
 |   tst_links_strtoll="unknown" | 
 |   tst_proto_strtoll="unknown" | 
 |   tst_compi_strtoll="unknown" | 
 |   tst_allow_strtoll="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if strtoll can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([strtoll]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_strtoll="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_strtoll="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_strtoll" = "yes"; then | 
 |     AC_MSG_CHECKING([if strtoll is prototyped]) | 
 |     AC_EGREP_CPP([strtoll],[ | 
 |       $curl_includes_stdlib | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_strtoll="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_strtoll="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_strtoll" = "yes"; then | 
 |     AC_MSG_CHECKING([if strtoll is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_stdlib | 
 |       ]],[[ | 
 |         if(0 != strtoll(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_strtoll="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_strtoll="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_strtoll" = "yes"; then | 
 |     AC_MSG_CHECKING([if strtoll usage allowed]) | 
 |     if test "x$curl_disallow_strtoll" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_strtoll="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_strtoll="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if strtoll might be used]) | 
 |   if test "$tst_links_strtoll" = "yes" && | 
 |      test "$tst_proto_strtoll" = "yes" && | 
 |      test "$tst_compi_strtoll" = "yes" && | 
 |      test "$tst_allow_strtoll" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_STRTOLL, 1, | 
 |       [Define to 1 if you have the strtoll function.]) | 
 |     curl_cv_func_strtoll="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_strtoll="no" | 
 |   fi | 
 | ]) | 
 |  | 
 |  | 
 | dnl CURL_CHECK_FUNC_WRITEV | 
 | dnl ------------------------------------------------- | 
 | dnl Verify if writev is available, prototyped, and | 
 | dnl can be compiled. If all of these are true, and | 
 | dnl usage has not been previously disallowed with | 
 | dnl shell variable curl_disallow_writev, then | 
 | dnl HAVE_WRITEV will be defined. | 
 |  | 
 | AC_DEFUN([CURL_CHECK_FUNC_WRITEV], [ | 
 |   AC_REQUIRE([CURL_INCLUDES_SYS_UIO])dnl | 
 |   # | 
 |   tst_links_writev="unknown" | 
 |   tst_proto_writev="unknown" | 
 |   tst_compi_writev="unknown" | 
 |   tst_allow_writev="unknown" | 
 |   # | 
 |   AC_MSG_CHECKING([if writev can be linked]) | 
 |   AC_LINK_IFELSE([ | 
 |     AC_LANG_FUNC_LINK_TRY([writev]) | 
 |   ],[ | 
 |     AC_MSG_RESULT([yes]) | 
 |     tst_links_writev="yes" | 
 |   ],[ | 
 |     AC_MSG_RESULT([no]) | 
 |     tst_links_writev="no" | 
 |   ]) | 
 |   # | 
 |   if test "$tst_links_writev" = "yes"; then | 
 |     AC_MSG_CHECKING([if writev is prototyped]) | 
 |     AC_EGREP_CPP([writev],[ | 
 |       $curl_includes_sys_uio | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_proto_writev="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_proto_writev="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_proto_writev" = "yes"; then | 
 |     AC_MSG_CHECKING([if writev is compilable]) | 
 |     AC_COMPILE_IFELSE([ | 
 |       AC_LANG_PROGRAM([[ | 
 |         $curl_includes_sys_uio | 
 |       ]],[[ | 
 |         if(0 != writev(0, 0, 0)) | 
 |           return 1; | 
 |       ]]) | 
 |     ],[ | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_compi_writev="yes" | 
 |     ],[ | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_compi_writev="no" | 
 |     ]) | 
 |   fi | 
 |   # | 
 |   if test "$tst_compi_writev" = "yes"; then | 
 |     AC_MSG_CHECKING([if writev usage allowed]) | 
 |     if test "x$curl_disallow_writev" != "xyes"; then | 
 |       AC_MSG_RESULT([yes]) | 
 |       tst_allow_writev="yes" | 
 |     else | 
 |       AC_MSG_RESULT([no]) | 
 |       tst_allow_writev="no" | 
 |     fi | 
 |   fi | 
 |   # | 
 |   AC_MSG_CHECKING([if writev might be used]) | 
 |   if test "$tst_links_writev" = "yes" && | 
 |      test "$tst_proto_writev" = "yes" && | 
 |      test "$tst_compi_writev" = "yes" && | 
 |      test "$tst_allow_writev" = "yes"; then | 
 |     AC_MSG_RESULT([yes]) | 
 |     AC_DEFINE_UNQUOTED(HAVE_WRITEV, 1, | 
 |       [Define to 1 if you have the writev function.]) | 
 |     curl_cv_func_writev="yes" | 
 |   else | 
 |     AC_MSG_RESULT([no]) | 
 |     curl_cv_func_writev="no" | 
 |   fi | 
 | ]) |