1dnl Wget-specific Autoconf macros. 2dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 3dnl 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software 4dnl Foundation, Inc. 5 6dnl This program is free software; you can redistribute it and/or modify 7dnl it under the terms of the GNU General Public License as published by 8dnl the Free Software Foundation; either version 3 of the License, or 9dnl (at your option) any later version. 10 11dnl This program is distributed in the hope that it will be useful, 12dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 13dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14dnl GNU General Public License for more details. 15 16dnl You should have received a copy of the GNU General Public License 17dnl along with this program. If not, see <http://www.gnu.org/licenses/>. 18 19dnl Additional permission under GNU GPL version 3 section 7 20 21dnl If you modify this program, or any covered work, by linking or 22dnl combining it with the OpenSSL project's OpenSSL library (or a 23dnl modified version of that library), containing parts covered by the 24dnl terms of the OpenSSL or SSLeay licenses, the Free Software Foundation 25dnl grants you additional permission to convey the resulting work. 26dnl Corresponding Source for a non-source form of such a combination 27dnl shall include the source code for the parts of OpenSSL used as well 28dnl as that of the covered work. 29 30dnl 31dnl Check for `struct utimbuf'. 32dnl 33 34AC_DEFUN([WGET_STRUCT_UTIMBUF], [ 35 AC_CHECK_TYPES([struct utimbuf], [], [], [ 36#include <stdio.h> 37#if HAVE_SYS_TYPES_H 38# include <sys/types.h> 39#endif 40#if HAVE_UTIME_H 41# include <utime.h> 42#endif 43 ]) 44]) 45 46dnl Check whether fnmatch.h can be included. This doesn't use 47dnl AC_FUNC_FNMATCH because Wget is already careful to only use 48dnl fnmatch on certain OS'es. However, fnmatch.h is sometimes broken 49dnl even on those because Apache installs its own fnmatch.h to 50dnl /usr/local/include (!), which GCC uses before /usr/include. 51 52AC_DEFUN([WGET_FNMATCH], [ 53 AC_MSG_CHECKING([for working fnmatch.h]) 54 AC_COMPILE_IFELSE([AC_LANG_SOURCE([#include <fnmatch.h> 55 ])], [ 56 AC_MSG_RESULT(yes) 57 AC_DEFINE([HAVE_WORKING_FNMATCH_H], 1, 58 [Define if fnmatch.h can be included.]) 59 ], [ 60 AC_MSG_RESULT(no) 61 ]) 62]) 63 64dnl Check for nanosleep. For nanosleep to work on Solaris, we must 65dnl link with -lrt (recently) or with -lposix4 (older releases). 66 67AC_DEFUN([WGET_NANOSLEEP], [ 68 AC_CHECK_FUNCS(nanosleep, [], [ 69 AC_CHECK_LIB(rt, nanosleep, [ 70 AC_DEFINE([HAVE_NANOSLEEP], 1, 71 [Define if you have the nanosleep function.]) 72 LIBS="-lrt $LIBS" 73 ], [ 74 AC_CHECK_LIB(posix4, nanosleep, [ 75 AC_DEFINE([HAVE_NANOSLEEP], 1, 76 [Define if you have the nanosleep function.]) 77 LIBS="-lposix4 $LIBS" 78 ]) 79 ]) 80 ]) 81]) 82 83AC_DEFUN([WGET_POSIX_CLOCK], [ 84 AC_CHECK_FUNCS(clock_gettime, [], [ 85 AC_CHECK_LIB(rt, clock_gettime) 86 ]) 87]) 88 89dnl Check whether we need to link with -lnsl and -lsocket, as is the 90dnl case on e.g. Solaris. 91 92AC_DEFUN([WGET_NSL_SOCKET], [ 93 dnl On Solaris, -lnsl is needed to use gethostbyname. But checking 94 dnl for gethostbyname is not enough because on "NCR MP-RAS 3.0" 95 dnl gethostbyname is in libc, but -lnsl is still needed to use 96 dnl -lsocket, as well as for functions such as inet_ntoa. We look 97 dnl for such known offenders and if one of them is not found, we 98 dnl check if -lnsl is needed. 99 wget_check_in_nsl=NONE 100 AC_CHECK_FUNCS(gethostbyname, [], [ 101 wget_check_in_nsl=gethostbyname 102 ]) 103 AC_CHECK_FUNCS(inet_ntoa, [], [ 104 wget_check_in_nsl=inet_ntoa 105 ]) 106 if test $wget_check_in_nsl != NONE; then 107 AC_CHECK_LIB(nsl, $wget_check_in_nsl) 108 fi 109 AC_CHECK_LIB(socket, socket) 110]) 111 112 113dnl ************************************************************ 114dnl START OF IPv6 AUTOCONFIGURATION SUPPORT MACROS 115dnl ************************************************************ 116 117AC_DEFUN([TYPE_STRUCT_SOCKADDR_IN6],[ 118 wget_have_sockaddr_in6= 119 AC_CHECK_TYPES([struct sockaddr_in6],[ 120 wget_have_sockaddr_in6=yes 121 ],[ 122 wget_have_sockaddr_in6=no 123 ],[ 124#include <sys/types.h> 125#ifdef HAVE_SYS_SOCKET_H 126#include <sys/socket.h> 127#endif 128#ifdef HAVE_NETINET_IN_H 129#include <netinet/in.h> 130#endif 131#ifdef HAVE_WINSOCK2_H 132#include <winsock2.h> 133#endif 134#ifdef HAVE_WS2TCPIP_H 135#include <ws2tcpip.h> 136#endif 137 ]) 138 139 if test "X$wget_have_sockaddr_in6" = "Xyes"; then : 140 $1 141 else : 142 $2 143 fi 144]) 145 146 147AC_DEFUN([MEMBER_SIN6_SCOPE_ID],[ 148 AC_REQUIRE([TYPE_STRUCT_SOCKADDR_IN6]) 149 150 wget_member_sin6_scope_id= 151 if test "X$wget_have_sockaddr_in6" = "Xyes"; then 152 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],[ 153 wget_member_sin6_scope_id=yes 154 ],[ 155 wget_member_sin6_scope_id=no 156 ],[ 157#include <sys/types.h> 158#ifdef HAVE_SYS_SOCKET_H 159#include <sys/socket.h> 160#endif 161#ifdef HAVE_NETINET_IN_H 162#include <netinet/in.h> 163#endif 164#ifdef HAVE_WINSOCK2_H 165#include <winsock2.h> 166#endif 167#ifdef HAVE_WS2TCPIP_H 168#include <ws2tcpip.h> 169#endif 170 ]) 171 fi 172 173 if test "X$wget_member_sin6_scope_id" = "Xyes"; then 174 AC_DEFINE([HAVE_SOCKADDR_IN6_SCOPE_ID], 1, 175 [Define if struct sockaddr_in6 has the sin6_scope_id member]) 176 $1 177 else : 178 $2 179 fi 180]) 181 182 183AC_DEFUN([PROTO_INET6],[ 184 AC_CACHE_CHECK([for INET6 protocol support], [wget_cv_proto_inet6],[ 185 AC_TRY_CPP([ 186#include <sys/types.h> 187#ifdef HAVE_SYS_SOCKET_H 188#include <sys/socket.h> 189#endif 190#ifdef HAVE_NETINET_IN_H 191#include <netinet/in.h> 192#endif 193#ifdef HAVE_WINSOCK2_H 194#include <winsock2.h> 195#endif 196#ifdef HAVE_WS2TCPIP_H 197#include <ws2tcpip.h> 198#endif 199#ifndef PF_INET6 200#error Missing PF_INET6 201#endif 202#ifndef AF_INET6 203#error Missing AF_INET6 204#endif 205 ],[ 206 wget_cv_proto_inet6=yes 207 ],[ 208 wget_cv_proto_inet6=no 209 ]) 210 ]) 211 212 if test "X$wget_cv_proto_inet6" = "Xyes"; then : 213 $1 214 else : 215 $2 216 fi 217]) 218 219 220AC_DEFUN([WGET_STRUCT_SOCKADDR_STORAGE],[ 221 AC_CHECK_TYPES([struct sockaddr_storage],[], [], [ 222#include <sys/types.h> 223#ifdef HAVE_SYS_SOCKET_H 224#include <sys/socket.h> 225#endif 226#ifdef HAVE_WINSOCK2_H 227#include <winsock2.h> 228#endif 229]) 230]) 231 232dnl ************************************************************ 233dnl END OF IPv6 AUTOCONFIGURATION SUPPORT MACROS 234dnl ************************************************************ 235 236dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, 237dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) 238AC_DEFUN([AM_PATH_PROG_WITH_TEST], 239[# Extract the first word of "$2", so it can be a program name with args. 240set dummy $2; ac_word=[$]2 241AC_MSG_CHECKING([for $ac_word]) 242AC_CACHE_VAL(ac_cv_path_$1, 243[case "[$]$1" in 244 /*) 245 ac_cv_path_$1="[$]$1" # Let the user override the test with a path. 246 ;; 247 *) 248 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" 249 for ac_dir in ifelse([$5], , $PATH, [$5]); do 250 test -z "$ac_dir" && ac_dir=. 251 if test -f $ac_dir/$ac_word; then 252 if [$3]; then 253 ac_cv_path_$1="$ac_dir/$ac_word" 254 break 255 fi 256 fi 257 done 258 IFS="$ac_save_ifs" 259dnl If no 4th arg is given, leave the cache variable unset, 260dnl so AC_PATH_PROGS will keep looking. 261ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" 262])dnl 263 ;; 264esac])dnl 265$1="$ac_cv_path_$1" 266if test -n "[$]$1"; then 267 AC_MSG_RESULT([$]$1) 268else 269 AC_MSG_RESULT(no) 270fi 271AC_SUBST($1)dnl 272]) 273 274