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 AC_CHECK_LIB(socket,bind)
 129
 130 # -- Functions --
 131
 132 AC_FUNC_FORK
 133 AC_FUNC_STRFTIME
 134
 135 AC_CHECK_FUNCS([ \
 136         bind gethostbyaddr gethostbyname gethostname inet_ntoa \
 137         setsid setsockopt socket strcasecmp waitpid],,AC_MSG_ERROR([required function missing!]))
 138
 139 AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat strtok_r)
 140
 141 # -- Configuration options --
 142
 143 # use syslog?
 144
 145 x_syslog_on=no
 146 AC_ARG_WITH(syslog,
 147         [  --without-syslog        disable syslog (autodetected by default)],
 148         [       if test "$withval" != "no"; then
 149                         if test "$withval" != "yes"; then
 150                                 CFLAGS="-I$withval/include $CFLAGS"
 151                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 152                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 153                         fi
 154                         AC_CHECK_LIB(be, syslog)
 155                         AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
 156                                 AC_MSG_ERROR([Can't enable syslog!])
 157                         )
 158                 fi
 159         ],
 160         [
 161                 AC_CHECK_LIB(be, syslog)
 162                 AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
 163         ]
 164 )
 165 if test "$x_syslog_on" = "yes"; then
 166         AC_DEFINE(SYSLOG, 1)
 167         AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
 168 fi
 169
 170 # use zlib compression?
 171
 172 x_zlib_on=no
 173 AC_ARG_WITH(zlib,
 174         [  --without-zlib          disable zlib compression (autodetected by default)],
 175         [       if test "$withval" != "no"; then
 176                         if test "$withval" != "yes"; then
 177                                 CFLAGS="-I$withval/include $CFLAGS"
 178                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 179                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 180                         fi
 181                         AC_CHECK_LIB(z, deflate)
 182                         AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
 183                                 AC_MSG_ERROR([Can't enable zlib!])
 184                         )
 185                 fi
 186         ],
 187         [       AC_CHECK_LIB(z, deflate)
 188                 AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
 189         ]
 190 )
 191 if test "$x_zlib_on" = "yes"; then
 192         AC_DEFINE(ZLIB, 1)
 193         AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
 194 fi
 195
 196 # detect which IO API to use:
 197
 198 x_io_backend=none
 199
 200 AC_ARG_WITH(select,
 201         [  --without-select        disable select IO support (autodetected by default)],
 202         [       if test "$withval" != "no"; then
 203                         if test "$withval" != "yes"; then
 204                                 CFLAGS="-I$withval/include $CFLAGS"
 205                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 206                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 207                         fi
 208                         AC_CHECK_FUNCS(select, x_io_select=yes,
 209                                 AC_MSG_ERROR([Can't enable select IO support!])
 210                         )
 211                 fi
 212         ],
 213         [
 214                 AC_CHECK_FUNCS(select, x_io_select=yes)
 215         ]
 216 )
 217
 218 AC_ARG_WITH(poll,
 219         [  --without-poll          disable poll support (autodetected by default)],
 220         [       if test "$withval" != "no"; then
 221                         if test "$withval" != "yes"; then
 222                                 CFLAGS="-I$withval/include $CFLAGS"
 223                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 224                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 225                         fi
 226                         AC_CHECK_FUNCS(poll, x_io_backend=poll\(\),
 227                                 AC_MSG_ERROR([Can't enable poll IO support!])
 228                         )
 229                 fi
 230         ],
 231         [
 232                 AC_CHECK_FUNCS(poll, x_io_backend=poll\(\))
 233         ]
 234 )
 235
 236 AC_ARG_WITH(devpoll,
 237         [  --without-devpoll       disable /dev/poll IO support (autodetected by default)],
 238         [       if test "$withval" != "no"; then
 239                         if test "$withval" != "yes"; then
 240                                 CFLAGS="-I$withval/include $CFLAGS"
 241                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 242                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 243                         fi
 244
 245                                 AC_CHECK_HEADERS(sys/devpoll.h,,AC_MSG_ERROR([required C header missing!]))
 246                 fi
 247         ],
 248         [
 249                 AC_CHECK_HEADERS(sys/devpoll.h, x_io_backend=/dev/poll)
 250         ]
 251 )
 252
 253 AC_ARG_WITH(epoll,
 254         [  --without-epoll         disable epoll IO support (autodetected by default)],
 255         [       if test "$withval" != "no"; then
 256                         if test "$withval" != "yes"; then
 257                                 CFLAGS="-I$withval/include $CFLAGS"
 258                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 259                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 260                         fi
 261                         AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes,
 262                                 AC_MSG_ERROR([Can't enable epoll IO support!])
 263                         )
 264                 fi
 265         ],
 266         [
 267                 AC_CHECK_FUNCS(epoll_create, x_io_epoll=yes)
 268         ]
 269 )
 270
 271 AC_ARG_WITH(kqueue,
 272         [  --without-kqueue        disable kqueue IO support (autodetected by default)],
 273         [       if test "$withval" != "no"; then
 274                         if test "$withval" != "yes"; then
 275                                 CFLAGS="-I$withval/include $CFLAGS"
 276                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 277                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 278                         fi
 279                         AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\),
 280                                 AC_MSG_ERROR([Can't enable kqueue IO support!])
 281                         )
 282                 fi
 283         ],
 284         [
 285                 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue\(\))
 286         ]
 287 )
 288
 289 if test "$x_io_epoll" = "yes" -a "$x_io_select" = "yes"; then
 290         # when epoll() and select() are available, we'll use both!
 291         x_io_backend="epoll(), select()"
 292 else
 293         if test "$x_io_epoll" = "yes"; then
 294                 # we prefere epoll() if it is available
 295                 x_io_backend="epoll()"
 296         else
 297                 if test "$x_io_select" = "yes" -a "$x_io_backend" = "none"; then
 298                         # we'll use select, when available and no "better"
 299                         # interface has been detected ...
 300                         x_io_backend="select()"
 301                 fi
 302         fi
 303 fi
 304
 305 if test "$x_io_backend" = "none"; then
 306         AC_MSG_ERROR([No useabe IO API activated/found!?])
 307 fi
 308
 309 # use TCP wrappers?
 310
 311 x_tcpwrap_on=no
 312 AC_ARG_WITH(tcp-wrappers,
 313         [  --with-tcp-wrappers     enable TCP wrappers support],
 314         [       if test "$withval" != "no"; then
 315                         if test "$withval" != "yes"; then
 316                                 CFLAGS="-I$withval/include $CFLAGS"
 317                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 318                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 319                         fi
 320                         AC_MSG_CHECKING(for hosts_access)
 321                         LIBS="-lwrap $LIBS"
 322                         AC_TRY_LINK([
 323 #include <tcpd.h>
 324 int allow_severity = 0;
 325 int deny_severity = 0;
 326                                 ],[
 327                                 tcpd_warn("link test");
 328                                 ],[
 329                                 AC_MSG_RESULT(yes)
 330                                 AC_DEFINE(TCPWRAP, 1)
 331                                 x_tcpwrap_on=yes
 332                                 ],[
 333                                 AC_MSG_RESULT(no)
 334                                 AC_MSG_ERROR([Can't enable TCP wrappers!])
 335                         ])
 336                 fi
 337         ]
 338 )
 339
 340 # include support for "zeroconf"?
 341
 342 x_zeroconf_on=no
 343 AC_ARG_WITH(zeroconf,
 344         [  --with-zeroconf         enable support for "Zeroconf"],
 345         [       if test "$withval" != "no"; then
 346                         if test "$withval" != "yes"; then
 347                                 CFLAGS="-I$withval/include $CFLAGS"
 348                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 349                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 350                         fi
 351                         AC_CHECK_FUNCS(DNSServiceRegistrationCreate, x_zeroconf_on=osx,
 352                         [
 353                                 AC_CHECK_LIB(pthread, pthread_mutexattr_init)
 354                                 AC_CHECK_LIB(howl, sw_discovery_init)
 355                                 AC_CHECK_FUNCS(sw_discovery_init, \
 356                                  x_zeroconf_on=howl, \
 357                                  AC_MSG_ERROR([Can't enable Zeroconf!]))
 358                         ])
 359                 fi
 360         ]
 361 )
 362 if test "$x_zeroconf_on" = "osx"; then
 363         AC_CHECK_HEADERS([DNSServiceDiscovery/DNSServiceDiscovery.h \
 364          mach/port.h],,AC_MSG_ERROR([required C header missing!]))
 365         AC_DEFINE(ZEROCONF, 1)
 366 fi
 367 if test "$x_zeroconf_on" = "howl"; then
 368         for dir in /usr/local/include /usr/local/include/howl* \
 369          /usr/include /usr/include/howl* \
 370          /usr/local/include/avahi* /usr/include/avahi*; do
 371                 test -d "$dir" || continue
 372                 AC_MSG_CHECKING([for Howl headers in $dir])
 373                 if test -f "$dir/rendezvous/rendezvous.h"; then
 374                         if test "$dir" != "/usr/local/include" -a \
 375                          "$dir" != "/usr/include"; then
 376                                 CFLAGS="-I$dir $CFLAGS"
 377                                 CPPFLAGS="-I$dir $CPPFLAGS"
 378                         fi
 379                         AC_MSG_RESULT(yes)
 380                         break
 381                 else
 382                         AC_MSG_RESULT(no)
 383                 fi
 384         done
 385         AC_CHECK_HEADERS([rendezvous/rendezvous.h],, \
 386          AC_MSG_ERROR([required C header missing!]))
 387         AC_DEFINE(ZEROCONF, 1)
 388 fi
 389
 390 # do IDENT requests using libident?
 391
 392 x_identauth_on=no
 393 AC_ARG_WITH(ident,
 394         [  --with-ident            enable "IDENT" ("AUTH") protocol support],
 395         [       if test "$withval" != "no"; then
 396                         if test "$withval" != "yes"; then
 397                                 CFLAGS="-I$withval/include $CFLAGS"
 398                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 399                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 400                         fi
 401                         AC_CHECK_LIB(ident, ident_id)
 402                         AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
 403                                 AC_MSG_ERROR([Can't enable IDENT support!])
 404                         )
 405                 fi
 406         ]
 407 )
 408 if test "$x_identauth_on" = "yes"; then
 409         AC_DEFINE(IDENTAUTH, 1)
 410         AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
 411 fi
 412
 413 # compile in IRC+ protocol support?
 414
 415 x_ircplus_on=yes
 416 AC_ARG_ENABLE(ircplus,
 417         [  --disable-ircplus       disable IRC+ protocol],
 418         if test "$enableval" = "no"; then x_ircplus_on=no; fi
 419 )
 420 if test "$x_ircplus_on" = "yes"; then
 421         AC_DEFINE(IRCPLUS, 1)
 422 fi
 423
 424 # enable support for IPv6?
 425 x_ipv6_on=no
 426 AC_ARG_ENABLE(ipv6,
 427         [  --enable-ipv6           enable IPv6 protocol support],
 428         if test "$enableval" = "yes"; then x_ipv6_on=yes; fi
 429 )
 430 if test "$x_ipv6_on" = "yes"; then
 431         AC_CHECK_FUNCS([ \
 432                 getaddrinfo getnameinfo \
 433                 ],,AC_MSG_ERROR([required function missing for IPv6 support!]))
 434         AC_DEFINE(WANT_IPV6, 1)
 435 fi
 436
 437 # compile in IRC "sniffer"?
 438
 439 x_sniffer_on=no; x_debug_on=no
 440 AC_ARG_ENABLE(sniffer,
 441         [  --enable-sniffer        enable IRC traffic sniffer (enables debug mode)],
 442         if test "$enableval" = "yes"; then
 443                 AC_DEFINE(SNIFFER, 1)
 444                 x_sniffer_on=yes; x_debug_on=yes
 445         fi
 446 )
 447
 448 # enable additional debugging code?
 449
 450 AC_ARG_ENABLE(debug,
 451         [  --enable-debug          show additional debug output],
 452         if test "$enableval" = "yes"; then x_debug_on=yes; fi
 453 )
 454 if test "$x_debug_on" = "yes"; then
 455         AC_DEFINE(DEBUG, 1)
 456         test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
 457 fi
 458
 459 # enable "strict RFC rules"?
 460
 461 x_strict_rfc_on=no
 462 AC_ARG_ENABLE(strict-rfc,
 463         [  --enable-strict-rfc     strict RFC conformance -- may break clients!],
 464         if test "$enableval" = "yes"; then
 465                 AC_DEFINE(STRICT_RFC, 1)
 466                 x_strict_rfc_on=yes
 467         fi
 468 )
 469
 470 # -- Definitions --
 471
 472 AC_DEFINE_UNQUOTED(TARGET_CPU, "$target_cpu" )
 473 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "$target_vendor" )
 474 AC_DEFINE_UNQUOTED(TARGET_OS, "$target_os" )
 475
 476 # Add additional CFLAGS, eventually specified on the command line, but after
 477 # running this configure script. Useful for "-Werror" for example.
 478 test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
 479
 480 # -- Generate files --
 481
 482 AC_OUTPUT([ \
 483         Makefile \
 484         doc/Makefile \
 485         doc/src/Makefile \
 486         src/Makefile \
 487         src/portab/Makefile \
 488         src/ipaddr/Makefile \
 489         src/tool/Makefile \
 490         src/ngircd/Makefile \
 491         src/testsuite/Makefile \
 492         man/Makefile \
 493         contrib/Makefile \
 494         contrib/Debian/Makefile \
 495         contrib/MacOSX/Makefile \
 496         contrib/MacOSX/ngIRCd.xcodeproj/Makefile \
 497 ])
 498
 499 type dpkg >/dev/null 2>&1
 500 if test $? -eq 0; then
 501         # Generate debian/ link if the dpkg command exists
 502         # (read: if we are running on a debian compatible system)
 503         echo "creating Debian-specific links ..."
 504         test -f debian/rules || ln -s contrib/Debian debian
 505 fi
 506
 507 # -- Result --
 508
 509 echo
 510 echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
 511 echo
 512
 513 # Someone please show me a better way :)  [borrowed by OpenSSH]
 514 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
 515 S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
 516 C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
 517 M=`eval echo ${mandir}` ; M=`eval echo ${M}`
 518 D=`eval echo ${datadir}/doc/${PACKAGE}` ; D=`eval echo ${D}`
 519
 520 echo "             Target: ${target}"
 521 test "$target" != "$host" && echo "               Host: ${host}"
 522 echo "           Compiler: ${CC}"
 523 test -n "$CFLAGS"       && echo "     Compiler flags: ${CFLAGS}"
 524 test -n "$CPPFLAGS"     && echo " Preprocessor flags: ${CPPFLAGS}"
 525 test -n "$LDFLAGS"      && echo "       Linker flags: ${LDFLAGS}"
 526 test -n "$LIBS"         && echo "          Libraries: ${LIBS}"
 527 echo
 528 echo "    'ngircd' binary: $S"
 529 echo " Configuration file: $C"
 530 echo "       Manual pages: $M"
 531 echo "      Documentation: $D"
 532 echo
 533
 534 echo $ECHO_N "     Syslog support: $ECHO_C"
 535 test "$x_syslog_on" = "yes" \
 536         && echo $ECHO_N "yes   $ECHO_C" \
 537         || echo $ECHO_N "no    $ECHO_C"
 538 echo $ECHO_N "  Enable debug code: $ECHO_C"
 539 test "$x_debug_on" = "yes" \
 540         && echo "yes" \
 541         || echo "no"
 542
 543 echo $ECHO_N "   zlib compression: $ECHO_C"
 544 test "$x_zlib_on" = "yes" \
 545         && echo $ECHO_N "yes   $ECHO_C" \
 546         || echo $ECHO_N "no    $ECHO_C"
 547 echo $ECHO_N "        IRC sniffer: $ECHO_C"
 548 test "$x_sniffer_on" = "yes" \
 549         && echo "yes" \
 550         || echo "no"
 551
 552 echo $ECHO_N "   Use TCP Wrappers: $ECHO_C"
 553 test "$x_tcpwrap_on" = "yes" \
 554         && echo $ECHO_N "yes   $ECHO_C" \
 555         || echo $ECHO_N "no    $ECHO_C"
 556 echo $ECHO_N "    Strict RFC mode: $ECHO_C"
 557 test "$x_strict_rfc_on" = "yes" \
 558         && echo "yes" \
 559         || echo "no"
 560
 561 echo $ECHO_N "   Zeroconf support: $ECHO_C"
 562 case "$x_zeroconf_on" in
 563         osx)
 564                 echo $ECHO_N "Apple $ECHO_C"
 565                 ;;
 566         howl)
 567                 echo $ECHO_N "Howl  $ECHO_C"
 568                 ;;
 569         *)
 570                 echo $ECHO_N "no    $ECHO_C"
 571                 ;;
 572 esac
 573 echo $ECHO_N "      IRC+ protocol: $ECHO_C"
 574 test "$x_ircplus_on" = "yes" \
 575         && echo "yes" \
 576         || echo "no"
 577
 578 echo $ECHO_N "      IDENT support: $ECHO_C"
 579 test "$x_identauth_on" = "yes" \
 580         && echo $ECHO_N "yes   $ECHO_C" \
 581         || echo $ECHO_N "no    $ECHO_C"
 582 echo $ECHO_N "        I/O backend: $ECHO_C"
 583         echo "\"$x_io_backend\""
 584
 585 echo $ECHO_N "      IPv6 protocol: $ECHO_C"
 586 echo "$x_ipv6_on"
 587 echo
 588
 589 # -eof-