Annotation of embedaddon/rsync/configure.ac, revision 1.1

1.1     ! misho       1: dnl Process this file with autoconf to produce a configure script.
        !             2: 
        !             3: AC_INIT()
        !             4: AC_CONFIG_SRCDIR([byteorder.h])
        !             5: AC_CONFIG_HEADER(config.h)
        !             6: AC_PREREQ(2.59)
        !             7: 
        !             8: RSYNC_VERSION=3.0.9
        !             9: AC_SUBST(RSYNC_VERSION)
        !            10: AC_MSG_NOTICE([Configuring rsync $RSYNC_VERSION])
        !            11: 
        !            12: AC_DEFINE_UNQUOTED(RSYNC_VERSION, ["$RSYNC_VERSION"], [rsync release version])
        !            13: 
        !            14: LDFLAGS=${LDFLAGS-""}
        !            15: 
        !            16: AC_CANONICAL_HOST
        !            17: 
        !            18: # We must decide this before testing the compiler.
        !            19: 
        !            20: # Please allow this to default to yes, so that your users have more
        !            21: # chance of getting a useful stack trace if problems occur.
        !            22: 
        !            23: AC_MSG_CHECKING([whether to include debugging symbols])
        !            24: AC_ARG_ENABLE(debug,
        !            25:        AC_HELP_STRING([--disable-debug],
        !            26:                [disable debugging symbols and features]))
        !            27: 
        !            28: if test x"$enable_debug" = x"no"; then
        !            29:     AC_MSG_RESULT(no)
        !            30:     ac_cv_prog_cc_g=no
        !            31: else
        !            32:     AC_MSG_RESULT([yes])
        !            33:     dnl AC_DEFINE(DEBUG, 1, [Define to turn on debugging code that may slow normal operation])
        !            34:     # leave ac_cv_prog_cc_g alone; AC_PROG_CC will try to include -g if it can
        !            35: fi
        !            36: 
        !            37: dnl Checks for programs.
        !            38: AC_PROG_CC
        !            39: AC_PROG_CPP
        !            40: AC_PROG_EGREP
        !            41: AC_PROG_INSTALL
        !            42: AC_PROG_CC_STDC
        !            43: AC_SUBST(SHELL)
        !            44: 
        !            45: AC_DEFINE([_GNU_SOURCE], 1,
        !            46:           [Define _GNU_SOURCE so that we get all necessary prototypes])
        !            47: 
        !            48: if test x"$ac_cv_prog_cc_stdc" = x"no"; then
        !            49:        AC_MSG_WARN([rsync requires an ANSI C compiler and you do not seem to have one])
        !            50: fi
        !            51: 
        !            52: AC_ARG_ENABLE(profile,
        !            53:        AC_HELP_STRING([--enable-profile],
        !            54:                [turn on CPU profiling]))
        !            55: if test x"$enable_profile" = x"yes"; then
        !            56:        CFLAGS="$CFLAGS -pg"
        !            57: fi
        !            58: 
        !            59: 
        !            60: # Specifically, this turns on panic_action handling.
        !            61: AC_ARG_ENABLE(maintainer-mode,
        !            62:        AC_HELP_STRING([--enable-maintainer-mode],
        !            63:                [turn on extra debug features]))
        !            64: if test x"$enable_maintainer_mode" = x"yes"; then
        !            65:        CFLAGS="$CFLAGS -DMAINTAINER_MODE"
        !            66: fi
        !            67: 
        !            68: 
        !            69: # This is needed for our included version of popt.  Kind of silly, but
        !            70: # I don't want our version too far out of sync.
        !            71: CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
        !            72: 
        !            73: # If GCC, turn on warnings.
        !            74: if test x"$GCC" = x"yes"; then
        !            75:        CFLAGS="$CFLAGS -Wall -W"
        !            76: fi
        !            77: 
        !            78: AC_ARG_WITH(included-popt,
        !            79:         AC_HELP_STRING([--with-included-popt], [use bundled popt library, not from system]))
        !            80: 
        !            81: AC_ARG_WITH(rsync-path,
        !            82:        AC_HELP_STRING([--with-rsync-path=PATH], [set default --rsync-path to PATH (default: rsync)]),
        !            83:        [ RSYNC_PATH="$with_rsync_path" ],
        !            84:        [ RSYNC_PATH="rsync" ])
        !            85: 
        !            86: AC_DEFINE_UNQUOTED(RSYNC_PATH, "$RSYNC_PATH", [location of rsync on remote machine])
        !            87: 
        !            88: AC_ARG_WITH(rsyncd-conf,
        !            89:        AC_HELP_STRING([--with-rsyncd-conf=PATH], [set configuration file for rsync server to PATH (default: /etc/rsyncd.conf)]),
        !            90:        [ if test ! -z "$with_rsyncd_conf" ; then
        !            91:                case $with_rsyncd_conf in
        !            92:                        yes|no)
        !            93:                                RSYNCD_SYSCONF="/etc/rsyncd.conf"
        !            94:                                ;;
        !            95:                        /*)
        !            96:                                RSYNCD_SYSCONF="$with_rsyncd_conf"
        !            97:                                ;;
        !            98:                        *)
        !            99:                                 AC_MSG_ERROR(You must specify an absolute path to --with-rsyncd-conf=PATH)
        !           100:                                ;;
        !           101:                esac
        !           102:        else
        !           103:                RSYNCD_SYSCONF="/etc/rsyncd.conf"
        !           104:        fi ],
        !           105:        [ RSYNCD_SYSCONF="/etc/rsyncd.conf" ])
        !           106: 
        !           107: AC_DEFINE_UNQUOTED(RSYNCD_SYSCONF, "$RSYNCD_SYSCONF", [location of configuration file for rsync server])
        !           108: 
        !           109: AC_ARG_WITH(rsh,
        !           110:        AC_HELP_STRING([--with-rsh=CMD], [set remote shell command to CMD (default: ssh)]))
        !           111: 
        !           112: AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
        !           113: if test x$HAVE_REMSH = x1; then
        !           114:        AC_DEFINE(HAVE_REMSH, 1, [Define to 1 if remote shell is remsh, not rsh])
        !           115: fi
        !           116: 
        !           117: if test x"$with_rsh" != x; then
        !           118:        RSYNC_RSH="$with_rsh"
        !           119: else
        !           120:        RSYNC_RSH="ssh"
        !           121: fi
        !           122: AC_DEFINE_UNQUOTED(RSYNC_RSH, "$RSYNC_RSH", [default -e command])
        !           123: 
        !           124: AC_CHECK_PROG(HAVE_YODL2MAN, yodl2man, 1, 0)
        !           125: if test x$HAVE_YODL2MAN = x1; then
        !           126:     MAKE_MAN=man
        !           127: fi
        !           128: 
        !           129: AC_ARG_WITH(nobody-group,
        !           130:     AC_HELP_STRING([--with-nobody-group=GROUP],
        !           131:                   [set the default unprivileged group (default nobody or nogroup)]),
        !           132:     [ NOBODY_GROUP="$with_nobody_group" ])
        !           133: 
        !           134: if test x"$with_nobody_group" = x; then
        !           135:     AC_MSG_CHECKING([the group for user "nobody"])
        !           136:     if grep '^nobody:' /etc/group >/dev/null 2>&1; then
        !           137:        NOBODY_GROUP=nobody
        !           138:     elif grep '^nogroup:' /etc/group >/dev/null 2>&1; then
        !           139:        NOBODY_GROUP=nogroup
        !           140:     else
        !           141:        NOBODY_GROUP=nobody # test for others?
        !           142:     fi
        !           143:     AC_MSG_RESULT($NOBODY_GROUP)
        !           144: fi
        !           145: 
        !           146: AC_DEFINE_UNQUOTED(NOBODY_USER, "nobody", [unprivileged user--e.g. nobody])
        !           147: AC_DEFINE_UNQUOTED(NOBODY_GROUP, "$NOBODY_GROUP", [unprivileged group for unprivileged user])
        !           148: 
        !           149: # arrgh. libc in some old debian version screwed up the largefile
        !           150: # stuff, getting byte range locking wrong
        !           151: AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
        !           152: AC_TRY_RUN([
        !           153: #define _FILE_OFFSET_BITS 64
        !           154: #include <stdio.h>
        !           155: #include <fcntl.h>
        !           156: #include <sys/types.h>
        !           157: #include <sys/wait.h>
        !           158: 
        !           159: int main(void)
        !           160: {
        !           161:        struct flock lock;
        !           162:        int status;
        !           163:        char tpl[32] = "/tmp/locktest.XXXXXX";
        !           164:        int fd = mkstemp(tpl);
        !           165:        if (fd < 0) {
        !           166:                strcpy(tpl, "conftest.dat");
        !           167:                fd = open(tpl, O_CREAT|O_RDWR, 0600);
        !           168:        }
        !           169: 
        !           170:        lock.l_type = F_WRLCK;
        !           171:        lock.l_whence = SEEK_SET;
        !           172:        lock.l_start = 0;
        !           173:        lock.l_len = 1;
        !           174:        lock.l_pid = 0;
        !           175:        fcntl(fd,F_SETLK,&lock);
        !           176:        if (fork() == 0) {
        !           177:                lock.l_start = 1;
        !           178:                _exit(fcntl(fd,F_SETLK,&lock) == 0);
        !           179:        }
        !           180:        wait(&status);
        !           181:        unlink(tpl);
        !           182:        exit(WEXITSTATUS(status));
        !           183: }
        !           184: ],
        !           185: rsync_cv_HAVE_BROKEN_LARGEFILE=yes,rsync_cv_HAVE_BROKEN_LARGEFILE=no,rsync_cv_HAVE_BROKEN_LARGEFILE=cross)])
        !           186: if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
        !           187:    AC_SYS_LARGEFILE
        !           188: fi
        !           189: 
        !           190: ipv6type=unknown
        !           191: ipv6lib=none
        !           192: ipv6trylibc=yes
        !           193: 
        !           194: AC_ARG_ENABLE(ipv6,
        !           195:        AC_HELP_STRING([--disable-ipv6],
        !           196:                [do not even try to use IPv6]))
        !           197: if test x"$enable_ipv6" != x"no"; then
        !           198:        AC_MSG_CHECKING([ipv6 stack type])
        !           199:        for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta cygwin; do
        !           200:                case $i in
        !           201:                inria)
        !           202:                        # http://www.kame.net/
        !           203:                        AC_EGREP_CPP(yes, [
        !           204: #include <netinet/in.h>
        !           205: #ifdef IPV6_INRIA_VERSION
        !           206: yes
        !           207: #endif],
        !           208:                                [ipv6type=$i;
        !           209:                                AC_DEFINE(INET6, 1, [true if you have IPv6])
        !           210:                                ])
        !           211:                        ;;
        !           212:                kame)
        !           213:                        # http://www.kame.net/
        !           214:                        AC_EGREP_CPP(yes, [
        !           215: #include <netinet/in.h>
        !           216: #ifdef __KAME__
        !           217: yes
        !           218: #endif],
        !           219:                                [ipv6type=$i;
        !           220:                                AC_DEFINE(INET6, 1, [true if you have IPv6])])
        !           221:                        ;;
        !           222:                linux-glibc)
        !           223:                        # http://www.v6.linux.or.jp/
        !           224:                        AC_EGREP_CPP(yes, [
        !           225: #include <features.h>
        !           226: #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
        !           227: yes
        !           228: #endif],
        !           229:                                [ipv6type=$i;
        !           230: AC_DEFINE(INET6, 1, [true if you have IPv6])])
        !           231:                        ;;
        !           232:                linux-inet6)
        !           233:                        # http://www.v6.linux.or.jp/
        !           234:                        if test -d /usr/inet6 -o -f /usr/inet6/lib/libinet6.a; then
        !           235:                                ipv6type=$i
        !           236:                                ipv6lib=inet6
        !           237:                                ipv6libdir=/usr/inet6/lib
        !           238:                                ipv6trylibc=yes;
        !           239:                                AC_DEFINE(INET6, 1, [true if you have IPv6])
        !           240:                                CFLAGS="-I/usr/inet6/include $CFLAGS"
        !           241:                        fi
        !           242:                        ;;
        !           243:                solaris)
        !           244:                        # http://www.sun.com
        !           245:                        AC_EGREP_CPP(yes, [
        !           246: #include <netinet/ip6.h>
        !           247: #ifdef __sun
        !           248: yes
        !           249: #endif],
        !           250:                                [ipv6type=$i;
        !           251:                                AC_DEFINE(INET6, 1, [true if you have IPv6])])
        !           252:                        ;;
        !           253:                toshiba)
        !           254:                        AC_EGREP_CPP(yes, [
        !           255: #include <sys/param.h>
        !           256: #ifdef _TOSHIBA_INET6
        !           257: yes
        !           258: #endif],
        !           259:                                [ipv6type=$i;
        !           260:                                ipv6lib=inet6;
        !           261:                                ipv6libdir=/usr/local/v6/lib;
        !           262:                                AC_DEFINE(INET6, 1, [true if you have IPv6])])
        !           263:                        ;;
        !           264:                v6d)
        !           265:                        AC_EGREP_CPP(yes, [
        !           266: #include </usr/local/v6/include/sys/v6config.h>
        !           267: #ifdef __V6D__
        !           268: yes
        !           269: #endif],
        !           270:                                [ipv6type=$i;
        !           271:                                ipv6lib=v6;
        !           272:                                ipv6libdir=/usr/local/v6/lib;
        !           273:                                AC_DEFINE(INET6, 1, [true if you have IPv6])])
        !           274:                        ;;
        !           275:                zeta)
        !           276:                        AC_EGREP_CPP(yes, [
        !           277: #include <sys/param.h>
        !           278: #ifdef _ZETA_MINAMI_INET6
        !           279: yes
        !           280: #endif],
        !           281:                                [ipv6type=$i;
        !           282:                                ipv6lib=inet6;
        !           283:                                ipv6libdir=/usr/local/v6/lib;
        !           284:                                AC_DEFINE(INET6, 1, [true if you have IPv6])])
        !           285:                        ;;
        !           286:                cygwin)
        !           287:                        AC_EGREP_CPP(yes, [
        !           288: #include <netinet/in.h>
        !           289: #ifdef _CYGWIN_IN6_H
        !           290: yes
        !           291: #endif],
        !           292:                                [ipv6type=$i;
        !           293:                                AC_DEFINE(INET6, 1, [true if you have IPv6])])
        !           294:                        ;;
        !           295:                esac
        !           296:                if test "$ipv6type" != "unknown"; then
        !           297:                        break
        !           298:                fi
        !           299:        done
        !           300:        AC_MSG_RESULT($ipv6type)
        !           301: 
        !           302:        AC_SEARCH_LIBS(getaddrinfo, inet6)
        !           303: fi
        !           304: 
        !           305: dnl Do you want to disable use of locale functions
        !           306: AC_ARG_ENABLE([locale],
        !           307:        AC_HELP_STRING([--disable-locale],
        !           308:                [disable locale features]))
        !           309: AH_TEMPLATE([CONFIG_LOCALE],
        !           310: [Undefine if you do not want locale features.  By default this is defined.])
        !           311: if test x"$enable_locale" != x"no"; then
        !           312:        AC_DEFINE(CONFIG_LOCALE)
        !           313: fi
        !           314: 
        !           315: AC_MSG_CHECKING([whether to call shutdown on all sockets])
        !           316: case $host_os in
        !           317:        *cygwin* ) AC_MSG_RESULT(yes)
        !           318:                    AC_DEFINE(SHUTDOWN_ALL_SOCKETS, 1,
        !           319:                            [Define to 1 if sockets need to be shutdown])
        !           320:                   ;;
        !           321:               * ) AC_MSG_RESULT(no);;
        !           322: esac
        !           323: 
        !           324: AC_C_BIGENDIAN
        !           325: AC_HEADER_DIRENT
        !           326: AC_HEADER_TIME
        !           327: AC_HEADER_SYS_WAIT
        !           328: AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h \
        !           329:     unistd.h utime.h grp.h compat.h sys/param.h ctype.h sys/wait.h \
        !           330:     sys/ioctl.h sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h \
        !           331:     sys/un.h sys/attr.h mcheck.h arpa/inet.h arpa/nameser.h locale.h \
        !           332:     netdb.h malloc.h float.h limits.h iconv.h libcharset.h langinfo.h \
        !           333:     sys/acl.h acl/libacl.h attr/xattr.h sys/xattr.h sys/extattr.h \
        !           334:     popt.h popt/popt.h netinet/in_systm.h netinet/ip.h)
        !           335: AC_HEADER_MAJOR
        !           336: 
        !           337: AC_CACHE_CHECK([if makedev takes 3 args],rsync_cv_MAKEDEV_TAKES_3_ARGS,[
        !           338: AC_TRY_RUN([
        !           339: #include <sys/types.h>
        !           340: #ifdef MAJOR_IN_MKDEV
        !           341: #include <sys/mkdev.h>
        !           342: # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
        !           343: #  define makedev mkdev
        !           344: # endif
        !           345: #elif defined MAJOR_IN_SYSMACROS
        !           346: #include <sys/sysmacros.h>
        !           347: #endif
        !           348: 
        !           349: int main(void)
        !           350: {
        !           351:        dev_t dev = makedev(0, 5, 7);
        !           352:        if (major(dev) != 5 || minor(dev) != 7)
        !           353:                exit(1);
        !           354:        return 0;
        !           355: }
        !           356: ],
        !           357: rsync_cv_MAKEDEV_TAKES_3_ARGS=yes,rsync_cv_MAKEDEV_TAKES_3_ARGS=no,rsync_cv_MAKEDEV_TAKES_3_ARGS=no)])
        !           358: if test x"$rsync_cv_MAKEDEV_TAKES_3_ARGS" = x"yes"; then
        !           359:    AC_DEFINE(MAKEDEV_TAKES_3_ARGS, 1, [Define to 1 if makedev() takes 3 args])
        !           360: fi
        !           361: 
        !           362: AC_CHECK_SIZEOF(int)
        !           363: AC_CHECK_SIZEOF(long)
        !           364: AC_CHECK_SIZEOF(long long)
        !           365: AC_CHECK_SIZEOF(short)
        !           366: AC_CHECK_SIZEOF(int16_t)
        !           367: AC_CHECK_SIZEOF(uint16_t)
        !           368: AC_CHECK_SIZEOF(int32_t)
        !           369: AC_CHECK_SIZEOF(uint32_t)
        !           370: AC_CHECK_SIZEOF(int64_t)
        !           371: AC_CHECK_SIZEOF(off_t)
        !           372: AC_CHECK_SIZEOF(off64_t)
        !           373: AC_CHECK_SIZEOF(time_t)
        !           374: 
        !           375: AC_C_INLINE
        !           376: AC_C_LONG_DOUBLE
        !           377: 
        !           378: AC_TYPE_SIGNAL
        !           379: AC_TYPE_UID_T
        !           380: AC_CHECK_TYPES([mode_t,off_t,size_t,pid_t,id_t])
        !           381: AC_TYPE_GETGROUPS
        !           382: AC_CHECK_MEMBERS([struct stat.st_rdev])
        !           383: 
        !           384: TYPE_SOCKLEN_T
        !           385: 
        !           386: AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
        !           387:     AC_TRY_COMPILE([#include <errno.h>],[int i = errno],
        !           388:        rsync_cv_errno=yes,rsync_cv_have_errno_decl=no)])
        !           389: if test x"$rsync_cv_errno" = x"yes"; then
        !           390:    AC_DEFINE(HAVE_ERRNO_DECL, 1, [Define to 1 if errno is declared in errno.h])
        !           391: fi
        !           392: 
        !           393: # The following test taken from the cvs sources
        !           394: # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
        !           395: # These need checks to be before checks for any other functions that
        !           396: #    might be in the same libraries.
        !           397: # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
        !           398: # libsocket.so which has a bad implementation of gethostbyname (it
        !           399: # only looks in /etc/hosts), so we only look for -lsocket if we need
        !           400: # it.
        !           401: AC_CHECK_FUNCS(connect)
        !           402: if test x"$ac_cv_func_connect" = x"no"; then
        !           403:     case "$LIBS" in
        !           404:     *-lnsl*) ;;
        !           405:     *) AC_CHECK_LIB(nsl_s, printf) ;;
        !           406:     esac
        !           407:     case "$LIBS" in
        !           408:     *-lnsl*) ;;
        !           409:     *) AC_CHECK_LIB(nsl, printf) ;;
        !           410:     esac
        !           411:     case "$LIBS" in
        !           412:     *-lsocket*) ;;
        !           413:     *) AC_CHECK_LIB(socket, connect) ;;
        !           414:     esac
        !           415:     case "$LIBS" in
        !           416:     *-linet*) ;;
        !           417:     *) AC_CHECK_LIB(inet, connect) ;;
        !           418:     esac
        !           419:     dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
        !           420:     dnl has been cached.
        !           421:     if test x"$ac_cv_lib_socket_connect" = x"yes" ||
        !           422:        test x"$ac_cv_lib_inet_connect" = x"yes"; then
        !           423:         # ac_cv_func_connect=yes
        !           424:         # don't!  it would cause AC_CHECK_FUNC to succeed next time configure is run
        !           425:         AC_DEFINE(HAVE_CONNECT, 1, [Define to 1 if you have the "connect" function])
        !           426:     fi
        !           427: fi
        !           428: 
        !           429: AC_SEARCH_LIBS(inet_ntop, resolv)
        !           430: 
        !           431: # For OS X, Solaris, HP-UX, etc.: figure out if -liconv is needed.  We'll
        !           432: # accept either iconv_open or libiconv_open, since some include files map
        !           433: # the former to the latter.
        !           434: AC_SEARCH_LIBS(iconv_open, iconv)
        !           435: AC_SEARCH_LIBS(libiconv_open, iconv)
        !           436: 
        !           437: AC_MSG_CHECKING([for iconv declaration])
        !           438: AC_CACHE_VAL(am_cv_proto_iconv, [
        !           439:     AC_TRY_COMPILE([
        !           440: #include <stdlib.h>
        !           441: #include <iconv.h>
        !           442: extern
        !           443: #ifdef __cplusplus
        !           444: "C"
        !           445: #endif
        !           446: #if defined(__STDC__) || defined(__cplusplus)
        !           447: size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
        !           448: #else
        !           449: size_t iconv();
        !           450: #endif
        !           451: ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
        !           452:       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
        !           453:     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
        !           454: AC_MSG_RESULT([$]{ac_t:-
        !           455:          }[$]am_cv_proto_iconv)
        !           456: AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
        !           457:                   [Define as const if the declaration of iconv() needs const.])
        !           458: 
        !           459: dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
        !           460: 
        !           461: AC_CHECK_FUNCS(inet_ntop, , [AC_LIBOBJ(lib/inet_ntop)])
        !           462: AC_CHECK_FUNCS(inet_pton, , [AC_LIBOBJ(lib/inet_pton)])
        !           463: 
        !           464: AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
        !           465: AC_HAVE_TYPE([struct sockaddr_storage], [#include <sys/types.h>
        !           466: #include <sys/socket.h>])
        !           467: 
        !           468: # Irix 6.5 has getaddrinfo but not the corresponding defines, so use
        !           469: #   builtin getaddrinfo if one of the defines don't exist
        !           470: AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
        !           471:                rsync_cv_HAVE_GETADDR_DEFINES,[
        !           472:                        AC_EGREP_CPP(yes, [
        !           473:                        #include <sys/types.h>
        !           474:                        #include <sys/socket.h>
        !           475:                        #include <netdb.h>
        !           476:                        #ifdef AI_PASSIVE
        !           477:                        yes
        !           478:                        #endif],
        !           479:                        rsync_cv_HAVE_GETADDR_DEFINES=yes,
        !           480:                        rsync_cv_HAVE_GETADDR_DEFINES=no)])
        !           481: if test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes" -a x"$ac_cv_type_struct_addrinfo" = x"yes"; then
        !           482:        # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
        !           483:        # something else so we must include <netdb.h> to get the
        !           484:        # redefinition.
        !           485:        AC_CHECK_FUNCS(getaddrinfo, ,
        !           486:                [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
        !           487:                AC_TRY_LINK([#include <sys/types.h>
        !           488:                #include <sys/socket.h>
        !           489:                #include <netdb.h>],[getaddrinfo(NULL, NULL, NULL, NULL);],
        !           490:                        [AC_MSG_RESULT([yes])
        !           491:                        AC_DEFINE(HAVE_GETADDRINFO, 1,
        !           492:                                [Define to 1 if you have the "getaddrinfo" function and required types.])],
        !           493:                        [AC_MSG_RESULT([no])
        !           494:                        AC_LIBOBJ(lib/getaddrinfo)])])
        !           495: else
        !           496:        AC_LIBOBJ(lib/getaddrinfo)
        !           497: fi
        !           498: 
        !           499: AC_CHECK_MEMBER([struct sockaddr.sa_len],
        !           500:                [ AC_DEFINE(HAVE_SOCKADDR_LEN, 1, [Do we have sockaddr.sa_len?]) ],
        !           501:                [],
        !           502:                [
        !           503: #include <sys/types.h>
        !           504: #include <sys/socket.h>
        !           505: ])
        !           506: 
        !           507: AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
        !           508:                [ AC_DEFINE(HAVE_SOCKADDR_IN_LEN, 1, [Do we have sockaddr_in.sin_len?]) ],
        !           509:                [],
        !           510:                [
        !           511: #include <sys/types.h>
        !           512: #include <sys/socket.h>
        !           513: #include <netinet/in.h>
        !           514: ])
        !           515: 
        !           516: AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
        !           517:                [ AC_DEFINE(HAVE_SOCKADDR_UN_LEN, 1, [Do we have sockaddr_un.sun_len?]) ],
        !           518:                [],
        !           519:                [
        !           520: #include <sys/types.h>
        !           521: #include <sys/socket.h>
        !           522: #include <netinet/in.h>
        !           523: ])
        !           524: 
        !           525: AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],
        !           526:                [ AC_DEFINE(HAVE_SOCKADDR_IN6_SCOPE_ID, 1, [Do we have sockaddr_in6.sin6_scope_id?]) ],
        !           527:                [],
        !           528:                [
        !           529: #include <sys/types.h>
        !           530: #include <sys/socket.h>
        !           531: #include <netinet/in.h>
        !           532: ])
        !           533: 
        !           534: AC_HAVE_TYPE([struct stat64], [#include <stdio.h>
        !           535: #if HAVE_SYS_TYPES_H
        !           536: # include <sys/types.h>
        !           537: #endif
        !           538: #if HAVE_SYS_STAT_H
        !           539: # include <sys/stat.h>
        !           540: #endif
        !           541: #if STDC_HEADERS
        !           542: # include <stdlib.h>
        !           543: # include <stddef.h>
        !           544: #else
        !           545: # if HAVE_STDLIB_H
        !           546: #  include <stdlib.h>
        !           547: # endif
        !           548: #endif
        !           549: ])
        !           550: 
        !           551: # if we can't find strcasecmp, look in -lresolv (for Unixware at least)
        !           552: #
        !           553: AC_CHECK_FUNCS(strcasecmp)
        !           554: if test x"$ac_cv_func_strcasecmp" = x"no"; then
        !           555:     AC_CHECK_LIB(resolv, strcasecmp)
        !           556: fi
        !           557: 
        !           558: AC_CHECK_FUNCS(aclsort)
        !           559: if test x"$ac_cv_func_aclsort" = x"no"; then
        !           560:     AC_CHECK_LIB(sec, aclsort)
        !           561: fi
        !           562: 
        !           563: dnl At the moment we don't test for a broken memcmp(), because all we
        !           564: dnl need to do is test for equality, not comparison, and it seems that
        !           565: dnl every platform has a memcmp that can do at least that.
        !           566: dnl AC_FUNC_MEMCMP
        !           567: 
        !           568: AC_FUNC_UTIME_NULL
        !           569: AC_FUNC_ALLOCA
        !           570: AC_CHECK_FUNCS(waitpid wait4 getcwd strdup chown chmod lchmod mknod mkfifo \
        !           571:     fchmod fstat ftruncate strchr readlink link utime utimes lutimes strftime \
        !           572:     memmove lchown vsnprintf snprintf vasprintf asprintf setsid strpbrk \
        !           573:     strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
        !           574:     setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
        !           575:     seteuid strerror putenv iconv_open locale_charset nl_langinfo getxattr \
        !           576:     extattr_get_link sigaction sigprocmask setattrlist \
        !           577:     utimensat)
        !           578: 
        !           579: dnl cygwin iconv.h defines iconv_open as libiconv_open
        !           580: if test x"$ac_cv_func_iconv_open" != x"yes"; then
        !           581:     AC_CHECK_FUNC(libiconv_open, [ac_cv_func_iconv_open=yes; AC_DEFINE(HAVE_ICONV_OPEN, 1)])
        !           582: fi
        !           583: 
        !           584: AC_CHECK_FUNCS(getpgrp tcgetpgrp)
        !           585: if test $ac_cv_func_getpgrp = yes; then
        !           586:     AC_FUNC_GETPGRP
        !           587: fi
        !           588: 
        !           589: AC_ARG_ENABLE(iconv-open,
        !           590:     AC_HELP_STRING([--disable-iconv-open],
        !           591:            [disable all use of iconv_open() function]),
        !           592:     [], [enable_iconv_open=$ac_cv_func_iconv_open])
        !           593: 
        !           594: if test x"$enable_iconv_open" != x"no"; then
        !           595:     AC_DEFINE(USE_ICONV_OPEN, 1, [Define to 1 if you want rsync to make use of iconv_open()])
        !           596: fi
        !           597: 
        !           598: AC_ARG_ENABLE(iconv,
        !           599:     AC_HELP_STRING([--disable-iconv],
        !           600:            [disable rsync's --iconv option]),
        !           601:     [], [enable_iconv=$enable_iconv_open])
        !           602: AH_TEMPLATE([ICONV_OPTION],
        !           603: [Define if you want the --iconv option.  Specifing a value will set the
        !           604: default iconv setting (a NULL means no --iconv processing by default).])
        !           605: if test x"$enable_iconv" != x"no"; then
        !           606:        if test x"$enable_iconv" = x"yes"; then
        !           607:                AC_DEFINE(ICONV_OPTION, NULL)
        !           608:        else
        !           609:                AC_DEFINE_UNQUOTED(ICONV_OPTION, "$enable_iconv")
        !           610:        fi
        !           611:        AC_DEFINE(UTF8_CHARSET, "UTF-8", [String to pass to iconv() for the UTF-8 charset.])
        !           612: fi
        !           613: 
        !           614: AC_CACHE_CHECK([whether chown() modifies symlinks],rsync_cv_chown_modifies_symlink,[
        !           615:   AC_TRY_RUN([
        !           616: #if HAVE_UNISTD_H
        !           617: # include <unistd.h>
        !           618: #endif
        !           619: #include <stdlib.h>
        !           620: #include <errno.h>
        !           621:     main() {
        !           622:        char const *dangling_symlink = "conftest.dangle";
        !           623:        unlink(dangling_symlink);
        !           624:        if (symlink("conftest.no-such", dangling_symlink) < 0) abort();
        !           625:        if (chown(dangling_symlink, getuid(), getgid()) < 0 && errno == ENOENT) exit(1);
        !           626:        exit(0);
        !           627:     }],
        !           628:   rsync_cv_chown_modifies_symlink=yes,rsync_cv_chown_modifies_symlink=no,rsync_cv_chown_modifies_symlink=no)])
        !           629: if test $rsync_cv_chown_modifies_symlink = yes; then
        !           630:   AC_DEFINE(CHOWN_MODIFIES_SYMLINK, 1, [Define to 1 if chown modifies symlinks.])
        !           631: fi
        !           632: 
        !           633: AC_CACHE_CHECK([whether link() can hard-link symlinks],rsync_cv_can_hardlink_symlink,[
        !           634:   AC_TRY_RUN([
        !           635: #if HAVE_UNISTD_H
        !           636: # include <unistd.h>
        !           637: #endif
        !           638: #include <stdlib.h>
        !           639: #include <errno.h>
        !           640: #define FILENAME "conftest.dangle"
        !           641:     main() {
        !           642:        unlink(FILENAME);
        !           643:        if (symlink("conftest.no-such", FILENAME) < 0) abort();
        !           644:        if (link(FILENAME, FILENAME "2") < 0) exit(1);
        !           645:        exit(0);
        !           646:     }],
        !           647:   rsync_cv_can_hardlink_symlink=yes,rsync_cv_can_hardlink_symlink=no,rsync_cv_can_hardlink_symlink=no)])
        !           648: if test $rsync_cv_can_hardlink_symlink = yes; then
        !           649:   AC_DEFINE(CAN_HARDLINK_SYMLINK, 1, [Define to 1 if link() can hard-link symlinks.])
        !           650: fi
        !           651: 
        !           652: AC_CACHE_CHECK([whether link() can hard-link special files],rsync_cv_can_hardlink_special,[
        !           653:   AC_TRY_RUN([
        !           654: #if HAVE_UNISTD_H
        !           655: # include <unistd.h>
        !           656: #endif
        !           657: #include <stdlib.h>
        !           658: #include <errno.h>
        !           659: #define FILENAME "conftest.fifi"
        !           660:     main() {
        !           661:        unlink(FILENAME);
        !           662:        if (mkfifo(FILENAME, 0777) < 0) abort();
        !           663:        if (link(FILENAME, FILENAME "2") < 0) exit(1);
        !           664:        exit(0);
        !           665:     }],
        !           666:   rsync_cv_can_hardlink_special=yes,rsync_cv_can_hardlink_special=no,rsync_cv_can_hardlink_special=no)])
        !           667: if test $rsync_cv_can_hardlink_special = yes; then
        !           668:     AC_DEFINE(CAN_HARDLINK_SPECIAL, 1, [Define to 1 if link() can hard-link special files.])
        !           669: fi
        !           670: 
        !           671: AC_CACHE_CHECK([for working socketpair],rsync_cv_HAVE_SOCKETPAIR,[
        !           672: AC_TRY_RUN([
        !           673: #include <sys/types.h>
        !           674: #include <sys/socket.h>
        !           675: 
        !           676: main() {
        !           677:        int fd[2];
        !           678: #ifdef __CYGWIN__
        !           679:        exit(1);
        !           680: #else
        !           681:        exit((socketpair(AF_UNIX, SOCK_STREAM, 0, fd) != -1) ? 0 : 1);
        !           682: #endif
        !           683: }],
        !           684: rsync_cv_HAVE_SOCKETPAIR=yes,rsync_cv_HAVE_SOCKETPAIR=no,rsync_cv_HAVE_SOCKETPAIR=cross)])
        !           685: if test x"$rsync_cv_HAVE_SOCKETPAIR" = x"yes"; then
        !           686:     AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define to 1 if you have the "socketpair" function])
        !           687: fi
        !           688: 
        !           689: if test x"$with_included_popt" != x"yes"; then
        !           690:     AC_CHECK_LIB(popt, poptGetContext, , [with_included_popt=yes])
        !           691: fi
        !           692: if test x"$ac_cv_header_popt_popt_h" = x"yes"; then
        !           693:     # If the system has /usr/include/popt/popt.h, we enable the
        !           694:     # included popt because an attempt to "#include <popt/popt.h>"
        !           695:     # would use our included header file anyway (due to -I.), and
        !           696:     # might conflict with the system popt.
        !           697:     with_included_popt=yes
        !           698: elif test x"$ac_cv_header_popt_h" != x"yes"; then
        !           699:     with_included_popt=yes
        !           700: fi
        !           701: 
        !           702: AC_MSG_CHECKING([whether to use included libpopt])
        !           703: if test x"$with_included_popt" = x"yes"; then
        !           704:     AC_MSG_RESULT($srcdir/popt)
        !           705:     BUILD_POPT='$(popt_OBJS)'
        !           706:     CFLAGS="$CFLAGS -I$srcdir/popt"
        !           707:     if test x"$ALLOCA" != x
        !           708:     then
        !           709:        # this can be removed when/if we add an included alloca.c;
        !           710:        #  see autoconf documentation on AC_FUNC_ALLOCA
        !           711:        AC_MSG_WARN([included libpopt will use malloc, not alloca (which wastes a small amount of memory)])
        !           712:     fi
        !           713: else
        !           714:     AC_MSG_RESULT(no)
        !           715: fi
        !           716: 
        !           717: AC_CACHE_CHECK([for unsigned char],rsync_cv_SIGNED_CHAR_OK,[
        !           718: AC_TRY_COMPILE([],[signed char *s = ""],
        !           719: rsync_cv_SIGNED_CHAR_OK=yes,rsync_cv_SIGNED_CHAR_OK=no)])
        !           720: if test x"$rsync_cv_SIGNED_CHAR_OK" = x"yes"; then
        !           721:     AC_DEFINE(SIGNED_CHAR_OK, 1, [Define to 1 if "signed char" is a valid type])
        !           722: fi
        !           723: 
        !           724: AC_CACHE_CHECK([for broken readdir],rsync_cv_HAVE_BROKEN_READDIR,[
        !           725: AC_TRY_RUN([#include <sys/types.h>
        !           726: #include <dirent.h>
        !           727: main() { struct dirent *di; DIR *d = opendir("."); di = readdir(d);
        !           728: if (di && di->d_name[-2] == '.' && di->d_name[-1] == 0 &&
        !           729: di->d_name[0] == 0) exit(0); exit(1);} ],
        !           730: rsync_cv_HAVE_BROKEN_READDIR=yes,rsync_cv_HAVE_BROKEN_READDIR=no,rsync_cv_HAVE_BROKEN_READDIR=cross)])
        !           731: if test x"$rsync_cv_HAVE_BROKEN_READDIR" = x"yes"; then
        !           732:     AC_DEFINE(HAVE_BROKEN_READDIR, 1, [Define to 1 if readdir() is broken])
        !           733: fi
        !           734: 
        !           735: AC_CACHE_CHECK([for utimbuf],rsync_cv_HAVE_STRUCT_UTIMBUF,[
        !           736: AC_TRY_COMPILE([#include <sys/types.h>
        !           737: #include <utime.h>],
        !           738: [struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));],
        !           739: rsync_cv_HAVE_STRUCT_UTIMBUF=yes,rsync_cv_HAVE_STRUCT_UTIMBUF=no)])
        !           740: if test x"$rsync_cv_HAVE_STRUCT_UTIMBUF" = x"yes"; then
        !           741:     AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if you have the "struct utimbuf" type])
        !           742: fi
        !           743: 
        !           744: AC_CACHE_CHECK([if gettimeofday takes tz argument],rsync_cv_HAVE_GETTIMEOFDAY_TZ,[
        !           745: AC_TRY_COMPILE([#include <sys/time.h>
        !           746: #include <unistd.h>],
        !           747: [struct timeval tv; exit(gettimeofday(&tv, NULL));],
        !           748: rsync_cv_HAVE_GETTIMEOFDAY_TZ=yes,rsync_cv_HAVE_GETTIMEOFDAY_TZ=no)])
        !           749: if test x"$rsync_cv_HAVE_GETTIMEOFDAY_TZ" != x"no"; then
        !           750:     AC_DEFINE(HAVE_GETTIMEOFDAY_TZ, 1, [Define to 1 if gettimeofday() takes a time-zone arg])
        !           751: fi
        !           752: 
        !           753: AC_CACHE_CHECK([for C99 vsnprintf],rsync_cv_HAVE_C99_VSNPRINTF,[
        !           754: AC_TRY_RUN([
        !           755: #include <sys/types.h>
        !           756: #include <stdarg.h>
        !           757: void foo(const char *format, ...) {
        !           758:        va_list ap;
        !           759:        int len;
        !           760:        char buf[5];
        !           761: 
        !           762:        va_start(ap, format);
        !           763:        len = vsnprintf(0, 0, format, ap);
        !           764:        va_end(ap);
        !           765:        if (len != 5) exit(1);
        !           766: 
        !           767:        if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
        !           768: 
        !           769:        exit(0);
        !           770: }
        !           771: main() { foo("hello"); }
        !           772: ],
        !           773: rsync_cv_HAVE_C99_VSNPRINTF=yes,rsync_cv_HAVE_C99_VSNPRINTF=no,rsync_cv_HAVE_C99_VSNPRINTF=cross)])
        !           774: if test x"$rsync_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
        !           775:     AC_DEFINE(HAVE_C99_VSNPRINTF, 1, [Define to 1 if vsprintf has a C99-compatible return value])
        !           776: fi
        !           777: 
        !           778: 
        !           779: AC_CACHE_CHECK([for secure mkstemp],rsync_cv_HAVE_SECURE_MKSTEMP,[
        !           780: AC_TRY_RUN([#include <stdlib.h>
        !           781: #include <sys/types.h>
        !           782: #include <sys/stat.h>
        !           783: #include <unistd.h>
        !           784: main() {
        !           785:   struct stat st;
        !           786:   char tpl[20]="/tmp/test.XXXXXX";
        !           787:   int fd = mkstemp(tpl);
        !           788:   if (fd == -1) exit(1);
        !           789:   unlink(tpl);
        !           790:   if (fstat(fd, &st) != 0) exit(1);
        !           791:   if ((st.st_mode & 0777) != 0600) exit(1);
        !           792:   exit(0);
        !           793: }],
        !           794: rsync_cv_HAVE_SECURE_MKSTEMP=yes,
        !           795: rsync_cv_HAVE_SECURE_MKSTEMP=no,
        !           796: rsync_cv_HAVE_SECURE_MKSTEMP=cross)])
        !           797: if test x"$rsync_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then
        !           798:     case $host_os in
        !           799:     hpux*)
        !           800:        dnl HP-UX has a broken mkstemp() implementation they refuse to fix,
        !           801:        dnl so we noisily skip using it.  See HP change request JAGaf34426
        !           802:        dnl for details. (sbonds)
        !           803:        AC_MSG_WARN(Skipping broken HP-UX mkstemp() -- using mktemp() instead)
        !           804:        ;;
        !           805:     *)
        !           806:        AC_DEFINE(HAVE_SECURE_MKSTEMP, 1, [Define to 1 if mkstemp() is available and works right])
        !           807:        ;;
        !           808:     esac
        !           809: fi
        !           810: 
        !           811: 
        !           812: AC_CACHE_CHECK([if mknod creates FIFOs],rsync_cv_MKNOD_CREATES_FIFOS,[
        !           813: AC_TRY_RUN([
        !           814: #include <stdio.h>
        !           815: #include <sys/stat.h>
        !           816: #include <errno.h>
        !           817: main() { int rc, ec; char *fn = "fifo-test";
        !           818: unlink(fn); rc = mknod(fn,S_IFIFO,0600); ec = errno; unlink(fn);
        !           819: if (rc) {printf("(%d %d) ",rc,ec); return ec;}
        !           820: return 0;}],
        !           821:            rsync_cv_MKNOD_CREATES_FIFOS=yes,rsync_cv_MKNOD_CREATES_FIFOS=no,rsync_cv_MKNOD_CREATES_FIFOS=cross)])
        !           822: if test x"$rsync_cv_MKNOD_CREATES_FIFOS" = x"yes"; then
        !           823:     AC_DEFINE(MKNOD_CREATES_FIFOS, 1, [Define to 1 if mknod() can create FIFOs.])
        !           824: fi
        !           825: 
        !           826: AC_CACHE_CHECK([if mknod creates sockets],rsync_cv_MKNOD_CREATES_SOCKETS,[
        !           827: AC_TRY_RUN([
        !           828: #include <stdio.h>
        !           829: #include <sys/stat.h>
        !           830: #include <errno.h>
        !           831: main() { int rc, ec; char *fn = "sock-test";
        !           832: unlink(fn); rc = mknod(fn,S_IFSOCK,0600); ec = errno; unlink(fn);
        !           833: if (rc) {printf("(%d %d) ",rc,ec); return ec;}
        !           834: return 0;}],
        !           835:            rsync_cv_MKNOD_CREATES_SOCKETS=yes,rsync_cv_MKNOD_CREATES_SOCKETS=no,rsync_cv_MKNOD_CREATES_SOCKETS=cross)])
        !           836: if test x"$rsync_cv_MKNOD_CREATES_SOCKETS" = x"yes"; then
        !           837:     AC_DEFINE(MKNOD_CREATES_SOCKETS, 1, [Define to 1 if mknod() can create sockets.])
        !           838: fi
        !           839: 
        !           840: #
        !           841: # The following test was mostly taken from the tcl/tk plus patches
        !           842: #
        !           843: AC_CACHE_CHECK([whether -c -o works],rsync_cv_DASHC_WORKS_WITH_DASHO,[
        !           844: rm -rf conftest*
        !           845: cat > conftest.$ac_ext <<EOF
        !           846: int main() { return 0; }
        !           847: EOF
        !           848: ${CC-cc} -c -o conftest..o conftest.$ac_ext
        !           849: if test -f conftest..o; then
        !           850:     rsync_cv_DASHC_WORKS_WITH_DASHO=yes
        !           851: else
        !           852:     rsync_cv_DASHC_WORKS_WITH_DASHO=no
        !           853: fi
        !           854: rm -rf conftest*
        !           855: ])
        !           856: if test x"$rsync_cv_DASHC_WORKS_WITH_DASHO" = x"yes"; then
        !           857:     OBJ_SAVE="#"
        !           858:     OBJ_RESTORE="#"
        !           859:     CC_SHOBJ_FLAG='-o $@'
        !           860: else
        !           861:     OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
        !           862:     OBJ_RESTORE='      @b=`basename $@ .o`;if test "$$b.o" != "$@"; then mv $$b.o $@; if test -f $$b.o.sav; then mv $$b.o.sav $$b.o; fi; fi'
        !           863:     CC_SHOBJ_FLAG=""
        !           864: fi
        !           865: 
        !           866: AC_SUBST(OBJ_SAVE)
        !           867: AC_SUBST(OBJ_RESTORE)
        !           868: AC_SUBST(CC_SHOBJ_FLAG)
        !           869: AC_SUBST(BUILD_POPT)
        !           870: AC_SUBST(MAKE_MAN)
        !           871: 
        !           872: AC_CHECK_FUNCS(_acl __acl _facl __facl)
        !           873: #################################################
        !           874: # check for ACL support
        !           875: 
        !           876: AC_MSG_CHECKING([whether to support ACLs])
        !           877: AC_ARG_ENABLE(acl-support,
        !           878:        AC_HELP_STRING([--disable-acl-support],
        !           879:                       [disable ACL support]))
        !           880: 
        !           881: if test x"$enable_acl_support" = x"no"; then
        !           882:     AC_MSG_RESULT(no)
        !           883: else
        !           884:     case "$host_os" in
        !           885:     *sysv5*)
        !           886:        AC_MSG_RESULT(Using UnixWare ACLs)
        !           887:        AC_DEFINE(HAVE_UNIXWARE_ACLS, 1, [true if you have UnixWare ACLs])
        !           888:        AC_DEFINE(SUPPORT_ACLS, 1, [Define to 1 to add support for ACLs])
        !           889:        ;;
        !           890:     *solaris*|*cygwin*)
        !           891:        AC_MSG_RESULT(Using solaris ACLs)
        !           892:        AC_DEFINE(HAVE_SOLARIS_ACLS, 1, [true if you have solaris ACLs])
        !           893:        AC_DEFINE(SUPPORT_ACLS, 1)
        !           894:        ;;
        !           895:     *hpux*)
        !           896:        AC_MSG_RESULT(Using HPUX ACLs)
        !           897:        AC_DEFINE(HAVE_HPUX_ACLS, 1, [true if you have HPUX ACLs])
        !           898:        AC_DEFINE(SUPPORT_ACLS, 1)
        !           899:        ;;
        !           900:     *irix*)
        !           901:        AC_MSG_RESULT(Using IRIX ACLs)
        !           902:        AC_DEFINE(HAVE_IRIX_ACLS, 1, [true if you have IRIX ACLs])
        !           903:        AC_DEFINE(SUPPORT_ACLS, 1)
        !           904:        ;;
        !           905:     *aix*)
        !           906:        AC_MSG_RESULT(Using AIX ACLs)
        !           907:        AC_DEFINE(HAVE_AIX_ACLS, 1, [true if you have AIX ACLs])
        !           908:        AC_DEFINE(SUPPORT_ACLS, 1)
        !           909:        ;;
        !           910:     *osf*)
        !           911:        AC_MSG_RESULT(Using Tru64 ACLs)
        !           912:        AC_DEFINE(HAVE_TRU64_ACLS, 1, [true if you have Tru64 ACLs])
        !           913:        AC_DEFINE(SUPPORT_ACLS, 1)
        !           914:        LIBS="$LIBS -lpacl"
        !           915:        ;;
        !           916:     darwin*)
        !           917:        AC_MSG_RESULT(Using OS X ACLs)
        !           918:        AC_DEFINE(HAVE_OSX_ACLS, 1, [true if you have Mac OS X ACLs])
        !           919:        AC_DEFINE(SUPPORT_ACLS, 1)
        !           920:        ;;
        !           921:     *)
        !           922:        AC_MSG_RESULT(running tests:)
        !           923:        AC_CHECK_LIB(acl,acl_get_file)
        !           924:            AC_CACHE_CHECK([for ACL support],samba_cv_HAVE_POSIX_ACLS,[
        !           925:            AC_TRY_LINK([#include <sys/types.h>
        !           926: #include <sys/acl.h>],
        !           927: [ acl_t acl; int entry_id; acl_entry_t *entry_p; return acl_get_entry( acl, entry_id, entry_p);],
        !           928: samba_cv_HAVE_POSIX_ACLS=yes,samba_cv_HAVE_POSIX_ACLS=no)])
        !           929:        AC_MSG_CHECKING(ACL test results)
        !           930:        if test x"$samba_cv_HAVE_POSIX_ACLS" = x"yes"; then
        !           931:            AC_MSG_RESULT(Using posix ACLs)
        !           932:            AC_DEFINE(HAVE_POSIX_ACLS, 1, [true if you have posix ACLs])
        !           933:            AC_DEFINE(SUPPORT_ACLS, 1)
        !           934:            AC_CACHE_CHECK([for acl_get_perm_np],samba_cv_HAVE_ACL_GET_PERM_NP,[
        !           935:                AC_TRY_LINK([#include <sys/types.h>
        !           936: #include <sys/acl.h>],
        !           937: [ acl_permset_t permset_d; acl_perm_t perm; return acl_get_perm_np( permset_d, perm);],
        !           938: samba_cv_HAVE_ACL_GET_PERM_NP=yes,samba_cv_HAVE_ACL_GET_PERM_NP=no)])
        !           939:            if test x"$samba_cv_HAVE_ACL_GET_PERM_NP" = x"yes"; then
        !           940:                AC_DEFINE(HAVE_ACL_GET_PERM_NP, 1, [true if you have acl_get_perm_np])
        !           941:            fi
        !           942:        else
        !           943:            if test x"$enable_acl_support" = x"yes"; then
        !           944:                AC_MSG_ERROR(Failed to find ACL support)
        !           945:            else
        !           946:                AC_MSG_RESULT(No ACL support found)
        !           947:            fi
        !           948:        fi
        !           949:        ;;
        !           950:     esac
        !           951: fi
        !           952: 
        !           953: #################################################
        !           954: # check for extended attribute support
        !           955: AC_MSG_CHECKING(whether to support extended attributes)
        !           956: AC_ARG_ENABLE(xattr-support,
        !           957:     AC_HELP_STRING([--disable-xattr-support],
        !           958:            [disable extended attributes]),
        !           959:     [], [case "$ac_cv_func_getxattr$ac_cv_func_extattr_get_link" in
        !           960:        *yes*) enable_xattr_support=maybe ;;
        !           961:        *) enable_xattr_support=no ;;
        !           962:        esac])
        !           963: AH_TEMPLATE([SUPPORT_XATTRS],
        !           964: [Define to 1 to add support for extended attributes])
        !           965: if test x"$enable_xattr_support" = x"no"; then
        !           966:     AC_MSG_RESULT(no)
        !           967: else
        !           968:     case "$host_os" in
        !           969:     *linux*)
        !           970:        AC_MSG_RESULT(Using Linux xattrs)
        !           971:        AC_DEFINE(HAVE_LINUX_XATTRS, 1, [True if you have Linux xattrs])
        !           972:        AC_DEFINE(SUPPORT_XATTRS, 1)
        !           973:        ;;
        !           974:     darwin*)
        !           975:        AC_MSG_RESULT(Using OS X xattrs)
        !           976:        AC_DEFINE(HAVE_OSX_XATTRS, 1, [True if you have Mac OS X xattrs])
        !           977:        AC_DEFINE(SUPPORT_XATTRS, 1)
        !           978:        AC_DEFINE(NO_DEVICE_XATTRS, 1, [True if device files do not support xattrs])
        !           979:        AC_DEFINE(NO_SPECIAL_XATTRS, 1, [True if special files do not support xattrs])
        !           980:        ;;
        !           981:     freebsd*)
        !           982:        AC_MSG_RESULT(Using FreeBSD extattrs)
        !           983:        AC_DEFINE(HAVE_FREEBSD_XATTRS, 1, [True if you have FreeBSD xattrs])
        !           984:        AC_DEFINE(SUPPORT_XATTRS, 1)
        !           985:        ;;
        !           986:     solaris*)
        !           987:        # Better Solaris support coming in 3.1.0...
        !           988:        AC_DEFINE(NO_SYMLINK_XATTRS, 1, [True if symlinks do not support xattrs])
        !           989:        ;;
        !           990:     *)
        !           991:        if test x"$enable_xattr_support" = x"yes"; then
        !           992:            AC_MSG_ERROR(Failed to find extended attribute support)
        !           993:        else
        !           994:            AC_MSG_RESULT(No extended attribute support found)
        !           995:        fi
        !           996:        ;;
        !           997:     esac
        !           998: fi
        !           999: 
        !          1000: if test x"$enable_acl_support" = x"no" -o x"$enable_xattr_support" = x"no" -o x"$enable_iconv" = x"no"; then
        !          1001:     AC_MSG_CHECKING([whether $CC supports -Wno-unused-parameter])
        !          1002:     OLD_CFLAGS="$CFLAGS"
        !          1003:     CFLAGS="$CFLAGS -Wno-unused-parameter"
        !          1004:     AC_TRY_LINK([#include <stdio.h>], [printf("hello\n");], [rsync_warn_flag=yes], [rsync_warn_flag=no])
        !          1005:     AC_MSG_RESULT([$rsync_warn_flag])
        !          1006:     if test x"$rsync_warn_flag" = x"no"; then
        !          1007:        CFLAGS="$OLD_CFLAGS"
        !          1008:     fi
        !          1009: fi
        !          1010: 
        !          1011: case "$CC" in
        !          1012: ' checker'*|checker*)
        !          1013:     AC_DEFINE(FORCE_FD_ZERO_MEMSET, 1, [Used to make "checker" understand that FD_ZERO() clears memory.])
        !          1014:     ;;
        !          1015: esac
        !          1016: 
        !          1017: AC_CONFIG_FILES([Makefile lib/dummy zlib/dummy popt/dummy shconfig])
        !          1018: AC_OUTPUT
        !          1019: 
        !          1020: AC_MSG_RESULT()
        !          1021: AC_MSG_RESULT([    rsync ${RSYNC_VERSION} configuration successful])
        !          1022: AC_MSG_RESULT()

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