configure.in

   1 #
   2 # ngIRCd -- The Next Generation IRC Daemon
   3 # Copyright (c)2001-2008 Alexander Barton <alex@barton.de>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 # Please read the file COPYING, README and AUTHORS for more information.
  10 #
  11
  12 # -- Initialisation --
  13
  14 AC_PREREQ(2.50)
  15 AC_INIT(ngircd, dev)
  16 AC_CONFIG_SRCDIR(src/ngircd/ngircd.c)
  17 AC_CANONICAL_TARGET
  18 AM_INIT_AUTOMAKE(1.6)
  19 AM_CONFIG_HEADER(src/config.h)
  20
  21 # -- Templates for config.h --
  22
  23 AH_TEMPLATE([DEBUG], [Define if debug-mode should be enabled])
  24 AH_TEMPLATE([HAVE_socklen_t], [Define if socklen_t exists])
  25 AH_TEMPLATE([SNIFFER], [Define if IRC sniffer should be enabled])
  26 AH_TEMPLATE([STRICT_RFC], [Define if ngIRCd should behave strict RFC compliant])
  27 AH_TEMPLATE([SYSLOG], [Define if syslog should be used for logging])
  28 AH_TEMPLATE([ZLIB], [Define if zlib compression should be enabled])
  29 AH_TEMPLATE([TCPWRAP], [Define if TCP wrappers should be used])
  30 AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
  31 AH_TEMPLATE([WANT_IPV6], [Define if IPV6 protocol should be enabled])
  32 AH_TEMPLATE([ZEROCONF], [Define if support for Zeroconf should be included])
  33 AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
  34
  35 AH_TEMPLATE([TARGET_OS], [Target operating system name])
  36 AH_TEMPLATE([TARGET_VENDOR], [Target system vendor])
  37 AH_TEMPLATE([TARGET_CPU], [Target CPU name])
  38
  39 # -- C Compiler --
  40
  41 AC_PROG_CC
  42
  43 # -- Helper programs --
  44
  45 AC_PROG_AWK
  46 AC_PROG_INSTALL
  47 AC_PROG_LN_S
  48 AC_PROG_MAKE_SET
  49 AC_PROG_RANLIB
  50
  51 # -- Compiler Features --
  52
  53 AM_C_PROTOTYPES
  54 AC_C_CONST
  55 AC_C_INLINE
  56
  57 # -- Hard coded system and compiler dependencies/features/options ... --
  58
  59 AC_DEFUN([GCC_STACK_PROTECT_CC],[
  60   ssp_cc=yes
  61   # we use -fstack-protector-all for the test to enfoce the use of the guard variable
  62   AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
  63   ssp_old_cflags="$CFLAGS"
  64   CFLAGS="$CFLAGS -fstack-protector-all"
  65   AC_TRY_LINK(,,, ssp_cc=no)
  66   echo $ssp_cc
  67   CFLAGS="$ssp_old_cflags"
  68   if test "X$ssp_cc" = "Xyes"; then
  69       CFLAGS="$CFLAGS -fstack-protector"
  70       AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
  71   fi
  72 ])
  73
  74
  75 if test "$GCC" = "yes"; then
  76         # We are using the GNU C compiler. Good!
  77         CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
  78
  79         GCC_STACK_PROTECT_CC
  80 fi
  81
  82 case "$target_os" in
  83         hpux*)
  84                 # This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
  85                 # (tested with HP/UX 11.11)
  86                 CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
  87                 ;;
  88 esac
  89
  90 # Add additional CFLAGS, eventually specified on the command line:
  91 test -n "$CFLAGS_ADD" && CFLAGS="$CFLAGS $CFLAGS_ADD"
  92
  93 CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"'"
  94
  95 # -- Headers --
  96
  97 AC_HEADER_STDC
  98 AC_HEADER_TIME
  99 AC_HEADER_SYS_WAIT
 100
 101 AC_CHECK_HEADERS([ \
 102         ctype.h errno.h fcntl.h netdb.h netinet/in.h stdlib.h string.h \
 103         strings.h sys/socket.h sys/time.h unistd.h \
 104         ],,AC_MSG_ERROR([required C header missing!]))
 105
 106 AC_CHECK_HEADERS([arpa/inet.h ctype.h malloc.h stdbool.h stddef.h varargs.h])
 107
 108 # -- Datatypes --
 109
 110 AC_MSG_CHECKING(whether socklen_t exists)
 111 AC_TRY_COMPILE([
 112 #include <sys/types.h>
 113 #include <sys/socket.h>
 114         ],[
 115         socklen_t a, b;
 116         a = 2; b = 4; a += b;
 117         ],[
 118         AC_DEFINE(HAVE_socklen_t) AC_MSG_RESULT(yes)
 119         ],[
 120         AC_MSG_RESULT(no)
 121 ])
 122
 123 AC_TYPE_SIGNAL
 124 AC_TYPE_SIZE_T
 125
 126
 127 # -- Libraries --
 128
 129 AC_CHECK_LIB(UTIL,memmove)
 130 AC_CHECK_LIB(socket,bind)
 131 AC_CHECK_LIB(nsl,gethostent)
 132
 133 # -- Functions --
 134
 135 AC_FUNC_FORK
 136 AC_FUNC_STRFTIME
 137
 138 AC_CHECK_FUNCS([ \
 139         bind gethostbyaddr gethostbyname gethostname inet_ntoa \
 140         setsid setsockopt socket strcasecmp waitpid],,AC_MSG_ERROR([required function missing!]))
 141
 142 AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat strtok_r)
 143
 144 # -- Configuration options --
 145
 146 # use syslog?
 147
 148 x_syslog_on=no
 149 AC_ARG_WITH(syslog,
 150         [  --without-syslog        disable syslog (autodetected by default)],
 151         [       if test "$withval" != "no"; then
 152                         if test "$withval" != "yes"; then
 153                                 CFLAGS="-I$withval/include $CFLAGS"
 154                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 155                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 156                         fi
 157                         AC_CHECK_LIB(be, syslog)
 158                         AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
 159                                 AC_MSG_ERROR([Can't enable syslog!])
 160                         )
 161                 fi
 162         ],
 163         [
 164                 AC_CHECK_LIB(be, syslog)
 165                 AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
 166         ]
 167 )
 168 if test "$x_syslog_on" = "yes"; then
 169         AC_DEFINE(SYSLOG, 1)
 170         AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
 171 fi
 172
 173 # use zlib compression?
 174
 175 x_zlib_on=no
 176 AC_ARG_WITH(zlib,
 177         [  --without-zlib          disable zlib compression (autodetected by default)],
 178         [       if test "$withval" != "no"; then
 179                         if test "$withval" != "yes"; then
 180                                 CFLAGS="-I$withval/include $CFLAGS"
 181                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 182                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 183                         fi
 184                         AC_CHECK_LIB(z, deflate)
 185                         AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
 186                                 AC_MSG_ERROR([Can't enable zlib!])
 187                         )
 188                 fi
 189         ],
 190         [       AC_CHECK_LIB(z, deflate)
 191                 AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
 192         ]
 193 )
 194 if test "$x_zlib_on" = "yes"; then
 195         AC_DEFINE(ZLIB, 1)
 196         AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
 197 fi
 198
 199 # detect which IO API to use:
 200
 201 x_io_backend=none
 202
 203 AC_ARG_WITH(select,
 204         [  --without-select        disable select IO support (autodetected by default)],
 205         [       if test "$withval" != "no"; then
 206                         if test "$withval" != "yes"; then
 207                                 CFLAGS="-I$withval/include $CFLAGS"
 208                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 209                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 210                         fi
 211                         AC_CHECK_FUNCS(select, x_io_select=yes,
 212                                 AC_MSG_ERROR([Can't enable select IO support!])
 213                         )
 214                 fi
 215         ],
 216         [
 217                 AC_CHECK_FUNCS(select, x_io_select=yes)
 218         ]
 219 )
 220
 221 AC_ARG_WITH(poll,
 222         [  --without-poll          disable poll support (autodetected by default)],
 223         [       if test "$withval" != "no"; then
 224                         if test "$withval" != "yes"; then
 225                                 CFLAGS="-I$withval/include $CFLAGS"
 226                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 227                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 228                         fi
 229                         AC_CHECK_FUNCS(poll, x_io_backend=poll\(\),
 230                                 AC_MSG_ERROR([Can't enable poll IO support!])
 231                         )
 232                 fi
 233         ],
 234         [
 235                 AC_CHECK_FUNCS(poll, x_io_backend=poll\(\))
 236         ]
 237 )
 238
 239 AC_ARG_WITH(devpoll,
 240         [  --without-devpoll       disable /dev/poll IO support (autodetected by default)],
 241         [       if test "$withval" != "no"; then
 242                         if test "$withval" != "yes"; then
 243                                 CFLAGS="-I$withval/include $CFLAGS"
 244                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 245                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 246                         fi
 247
 248                                 AC_CHECK_HEADERS(sys/devpoll.h,,AC_MSG_ERROR([required C header missing!]))
 249                 fi
 250         ],
 251         [
 252                 AC_CHECK_HEADERS(sys/devpoll.h, x_io_backend=/dev/poll)
 253         ]
 254 )
 255
 256 AC_ARG_WITH(epoll,
 257         [  --without-epoll         disable epoll IO support (autodetected by default)],
 258         [       if test "$withval" != "no"; then
 259                         if test "$withval" != "yes"; then
 260                                 CFLAGS="-I$withval/include $CFLAGS"
 261                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 262                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 263                         fi
 264                         AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes,
 265                                 AC_MSG_ERROR([Can't enable epoll IO support!])
 266                         )
 267                 fi
 268         ],
 269         [
 270                 AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes)
 271         ]
 272 )
 273
 274 AC_ARG_WITH(kqueue,
 275         [  --without-kqueue        disable kqueue IO support (autodetected by default)],
 276         [       if test "$withval" != "no"; then
 277                         if test "$withval" != "yes"; then
 278                                 CFLAGS="-I$withval/include $CFLAGS"
 279                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 280                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 281                         fi
 282                         AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\),
 283                                 AC_MSG_ERROR([Can't enable kqueue IO support!])
 284                         )
 285                 fi
 286         ],
 287         [
 288                 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\))
 289         ]
 290 )
 291
 292 if test "$x_io_epoll" = "yes" -a "$x_io_select" = "yes"; then
 293         # when epoll() and select() are available, we'll use both!
 294         x_io_backend="epoll(), select()"
 295 else
 296         if test "$x_io_epoll" = "yes"; then
 297                 # we prefere epoll() if it is available
 298                 x_io_backend="epoll()"
 299         else
 300                 if test "$x_io_select" = "yes" -a "$x_io_backend" = "none"; then
 301                         # we'll use select, when available and no "better"
 302                         # interface has been detected ...
 303                         x_io_backend="select()"
 304                 fi
 305         fi
 306 fi
 307
 308 if test "$x_io_backend" = "none"; then
 309         AC_MSG_ERROR([No useabe IO API activated/found!?])
 310 fi
 311
 312 # use TCP wrappers?
 313
 314 x_tcpwrap_on=no
 315 AC_ARG_WITH(tcp-wrappers,
 316         [  --with-tcp-wrappers     enable TCP wrappers support],
 317         [       if test "$withval" != "no"; then
 318                         if test "$withval" != "yes"; then
 319                                 CFLAGS="-I$withval/include $CFLAGS"
 320                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 321                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 322                         fi
 323                         AC_MSG_CHECKING(for hosts_access)
 324                         LIBS="-lwrap $LIBS"
 325                         AC_TRY_LINK([
 326 #include <tcpd.h>
 327 int allow_severity = 0;
 328 int deny_severity = 0;
 329                                 ],[
 330                                 tcpd_warn("link test");
 331                                 ],[
 332                                 AC_MSG_RESULT(yes)
 333                                 AC_DEFINE(TCPWRAP, 1)
 334                                 x_tcpwrap_on=yes
 335                                 ],[
 336                                 AC_MSG_RESULT(no)
 337                                 AC_MSG_ERROR([Can't enable TCP wrappers!])
 338                         ])
 339                 fi
 340         ]
 341 )
 342
 343 # include support for "zeroconf"?
 344
 345 x_zeroconf_on=no
 346 AC_ARG_WITH(zeroconf,
 347         [  --with-zeroconf         enable support for "Zeroconf"],
 348         [       if test "$withval" != "no"; then
 349                         if test "$withval" != "yes"; then
 350                                 CFLAGS="-I$withval/include $CFLAGS"
 351                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 352                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 353                         fi
 354                         AC_CHECK_FUNCS(DNSServiceRegistrationCreate, x_zeroconf_on=osx,
 355                         [
 356                                 AC_CHECK_LIB(pthread, pthread_mutexattr_init)
 357                                 AC_CHECK_LIB(howl, sw_discovery_init)
 358                                 AC_CHECK_FUNCS(sw_discovery_init, \
 359                                  x_zeroconf_on=howl, \
 360                                  AC_MSG_ERROR([Can't enable Zeroconf!]))
 361                         ])
 362                 fi
 363         ]
 364 )
 365 if test "$x_zeroconf_on" = "osx"; then
 366         AC_CHECK_HEADERS([DNSServiceDiscovery/DNSServiceDiscovery.h \
 367          mach/port.h],,AC_MSG_ERROR([required C header missing!]))
 368         AC_DEFINE(ZEROCONF, 1)
 369 fi
 370 if test "$x_zeroconf_on" = "howl"; then
 371         for dir in /usr/local/include /usr/local/include/howl* \
 372          /usr/include /usr/include/howl* \
 373          /usr/local/include/avahi* /usr/include/avahi*; do
 374                 test -d "$dir" || continue
 375                 AC_MSG_CHECKING([for Howl headers in $dir])
 376                 if test -f "$dir/rendezvous/rendezvous.h"; then
 377                         if test "$dir" != "/usr/local/include" -a \
 378                          "$dir" != "/usr/include"; then
 379                                 CFLAGS="-I$dir $CFLAGS"
 380                                 CPPFLAGS="-I$dir $CPPFLAGS"
 381                         fi
 382                         AC_MSG_RESULT(yes)
 383                         break
 384                 else
 385                         AC_MSG_RESULT(no)
 386                 fi
 387         done
 388         AC_CHECK_HEADERS([rendezvous/rendezvous.h],, \
 389          AC_MSG_ERROR([required C header missing!]))
 390         AC_DEFINE(ZEROCONF, 1)
 391 fi
 392
 393 # do IDENT requests using libident?
 394
 395 x_identauth_on=no
 396 AC_ARG_WITH(ident,
 397         [  --with-ident            enable "IDENT" ("AUTH") protocol support],
 398         [       if test "$withval" != "no"; then
 399                         if test "$withval" != "yes"; then
 400                                 CFLAGS="-I$withval/include $CFLAGS"
 401                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 402                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 403                         fi
 404                         AC_CHECK_LIB(ident, ident_id)
 405                         AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
 406                                 AC_MSG_ERROR([Can't enable IDENT support!])
 407                         )
 408                 fi
 409         ]
 410 )
 411 if test "$x_identauth_on" = "yes"; then
 412         AC_DEFINE(IDENTAUTH, 1)
 413         AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
 414 fi
 415
 416 # compile in IRC+ protocol support?
 417
 418 x_ircplus_on=yes
 419 AC_ARG_ENABLE(ircplus,
 420         [  --disable-ircplus       disable IRC+ protocol],
 421         if test "$enableval" = "no"; then x_ircplus_on=no; fi
 422 )
 423 if test "$x_ircplus_on" = "yes"; then
 424         AC_DEFINE(IRCPLUS, 1)
 425 fi
 426
 427 # enable support for IPv6?
 428 x_ipv6_on=no
 429 AC_ARG_ENABLE(ipv6,
 430         [  --enable-ipv6           enable IPv6 protocol support],
 431         if test "$enableval" = "yes"; then x_ipv6_on=yes; fi
 432 )
 433 if test "$x_ipv6_on" = "yes"; then
 434         AC_CHECK_FUNCS([ \
 435                 getaddrinfo getnameinfo \
 436                 ],,AC_MSG_ERROR([required function missing for IPv6 support!]))
 437         AC_DEFINE(WANT_IPV6, 1)
 438 fi
 439
 440 # compile in IRC "sniffer"?
 441
 442 x_sniffer_on=no; x_debug_on=no
 443 AC_ARG_ENABLE(sniffer,
 444         [  --enable-sniffer        enable IRC traffic sniffer (enables debug mode)],
 445         if test "$enableval" = "yes"; then
 446                 AC_DEFINE(SNIFFER, 1)
 447                 x_sniffer_on=yes; x_debug_on=yes
 448         fi
 449 )
 450
 451 # enable additional debugging code?
 452
 453 AC_ARG_ENABLE(debug,
 454         [  --enable-debug          show additional debug output],
 455         if test "$enableval" = "yes"; then x_debug_on=yes; fi
 456 )
 457 if test "$x_debug_on" = "yes"; then
 458         AC_DEFINE(DEBUG, 1)
 459         test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
 460         AC_CHECK_FUNCS(mtrace)
 461 fi
 462
 463 # enable "strict RFC rules"?
 464
 465 x_strict_rfc_on=no
 466 AC_ARG_ENABLE(strict-rfc,
 467         [  --enable-strict-rfc     strict RFC conformance -- may break clients!],
 468         if test "$enableval" = "yes"; then
 469                 AC_DEFINE(STRICT_RFC, 1)
 470                 x_strict_rfc_on=yes
 471         fi
 472 )
 473
 474 # -- Definitions --
 475
 476 AC_DEFINE_UNQUOTED(TARGET_CPU, "$target_cpu" )
 477 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "$target_vendor" )
 478 AC_DEFINE_UNQUOTED(TARGET_OS, "$target_os" )
 479
 480 # Add additional CFLAGS, eventually specified on the command line, but after
 481 # running this configure script. Useful for "-Werror" for example.
 482 test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
 483
 484 # -- Generate files --
 485
 486 AC_OUTPUT([ \
 487         Makefile \
 488         doc/Makefile \
 489         doc/src/Makefile \
 490         src/Makefile \
 491         src/portab/Makefile \
 492         src/ipaddr/Makefile \
 493         src/tool/Makefile \
 494         src/ngircd/Makefile \
 495         src/testsuite/Makefile \
 496         man/Makefile \
 497         contrib/Makefile \
 498         contrib/Debian/Makefile \
 499         contrib/MacOSX/Makefile \
 500         contrib/MacOSX/ngIRCd.xcodeproj/Makefile \
 501         contrib/MacOSX/ngIRCd.pmdoc/Makefile \
 502 ])
 503
 504 type dpkg >/dev/null 2>&1
 505 if test $? -eq 0; then
 506         # Generate debian/ link if the dpkg command exists
 507         # (read: if we are running on a debian compatible system)
 508         echo "creating Debian-specific links ..."
 509         test -f debian/rules || ln -s contrib/Debian debian
 510 fi
 511
 512 # -- Result --
 513
 514 echo
 515 echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
 516 echo
 517
 518 # Someone please show me a better way :)  [borrowed by OpenSSH]
 519 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
 520 S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
 521 C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
 522 M=`eval echo ${mandir}` ; M=`eval echo ${M}`
 523 D=`eval echo ${datadir}/doc/${PACKAGE}` ; D=`eval echo ${D}`
 524
 525 echo "             Target: ${target}"
 526 test "$target" != "$host" && echo "               Host: ${host}"
 527 echo "           Compiler: ${CC}"
 528 test -n "$CFLAGS"       && echo "     Compiler flags: ${CFLAGS}"
 529 test -n "$CPPFLAGS"     && echo " Preprocessor flags: ${CPPFLAGS}"
 530 test -n "$LDFLAGS"      && echo "       Linker flags: ${LDFLAGS}"
 531 test -n "$LIBS"         && echo "          Libraries: ${LIBS}"
 532 echo
 533 echo "    'ngircd' binary: $S"
 534 echo " Configuration file: $C"
 535 echo "       Manual pages: $M"
 536 echo "      Documentation: $D"
 537 echo
 538
 539 echo $ECHO_N "     Syslog support: $ECHO_C"
 540 test "$x_syslog_on" = "yes" \
 541         && echo $ECHO_N "yes   $ECHO_C" \
 542         || echo $ECHO_N "no    $ECHO_C"
 543 echo $ECHO_N "  Enable debug code: $ECHO_C"
 544 test "$x_debug_on" = "yes" \
 545         && echo "yes" \
 546         || echo "no"
 547
 548 echo $ECHO_N "   zlib compression: $ECHO_C"
 549 test "$x_zlib_on" = "yes" \
 550         && echo $ECHO_N "yes   $ECHO_C" \
 551         || echo $ECHO_N "no    $ECHO_C"
 552 echo $ECHO_N "        IRC sniffer: $ECHO_C"
 553 test "$x_sniffer_on" = "yes" \
 554         && echo "yes" \
 555         || echo "no"
 556
 557 echo $ECHO_N "   Use TCP Wrappers: $ECHO_C"
 558 test "$x_tcpwrap_on" = "yes" \
 559         && echo $ECHO_N "yes   $ECHO_C" \
 560         || echo $ECHO_N "no    $ECHO_C"
 561 echo $ECHO_N "    Strict RFC mode: $ECHO_C"
 562 test "$x_strict_rfc_on" = "yes" \
 563         && echo "yes" \
 564         || echo "no"
 565
 566 echo $ECHO_N "   Zeroconf support: $ECHO_C"
 567 case "$x_zeroconf_on" in
 568         osx)
 569                 echo $ECHO_N "Apple $ECHO_C"
 570                 ;;
 571         howl)
 572                 echo $ECHO_N "Howl  $ECHO_C"
 573                 ;;
 574         *)
 575                 echo $ECHO_N "no    $ECHO_C"
 576                 ;;
 577 esac
 578 echo $ECHO_N "      IRC+ protocol: $ECHO_C"
 579 test "$x_ircplus_on" = "yes" \
 580         && echo "yes" \
 581         || echo "no"
 582
 583 echo $ECHO_N "      IDENT support: $ECHO_C"
 584 test "$x_identauth_on" = "yes" \
 585         && echo $ECHO_N "yes   $ECHO_C" \
 586         || echo $ECHO_N "no    $ECHO_C"
 587 echo $ECHO_N "        I/O backend: $ECHO_C"
 588         echo "\"$x_io_backend\""
 589
 590 echo $ECHO_N "      IPv6 protocol: $ECHO_C"
 591 echo "$x_ipv6_on"
 592 echo
 593
 594 # -eof-