configure.in

   1 #
   2 # ngIRCd -- The Next Generation IRC Daemon
   3 # Copyright (c)2001-2005 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 # $Id: configure.in,v 1.120 2006/08/13 18:11:18 fw Exp $
  12 #
  13
  14 # -- Initialisation --
  15
  16 AC_PREREQ(2.50)
  17 AC_INIT(ngircd, CVSHEAD)
  18 AC_CONFIG_SRCDIR(src/ngircd/ngircd.c)
  19 AC_CANONICAL_TARGET
  20 AM_INIT_AUTOMAKE(1.6)
  21 AM_CONFIG_HEADER(src/config.h)
  22
  23 # -- Templates for config.h --
  24
  25 AH_TEMPLATE([DEBUG], [Define if debug-mode should be enabled])
  26 AH_TEMPLATE([HAVE_socklen_t], [Define if socklen_t exists])
  27 AH_TEMPLATE([SNIFFER], [Define if IRC sniffer should be enabled])
  28 AH_TEMPLATE([STRICT_RFC], [Define if ngIRCd should behave strict RFC compliant])
  29 AH_TEMPLATE([SYSLOG], [Define if syslog should be used for logging])
  30 AH_TEMPLATE([ZLIB], [Define if zlib compression should be enabled])
  31 AH_TEMPLATE([TCPWRAP], [Define if TCP wrappers should be used])
  32 AH_TEMPLATE([IRCPLUS], [Define if IRC+ protocol should be used])
  33 AH_TEMPLATE([ZEROCONF], [Define if support for Zeroconf should be included])
  34 AH_TEMPLATE([IDENTAUTH], [Define if the server should do IDENT requests])
  35
  36 AH_TEMPLATE([TARGET_OS], [Target operating system name])
  37 AH_TEMPLATE([TARGET_VENDOR], [Target system vendor])
  38 AH_TEMPLATE([TARGET_CPU], [Target CPU name])
  39
  40 # -- C Compiler --
  41
  42 AC_PROG_CC
  43
  44 # -- Helper programs --
  45
  46 AC_PROG_AWK
  47 AC_PROG_INSTALL
  48 AC_PROG_LN_S
  49 AC_PROG_MAKE_SET
  50 AC_PROG_RANLIB
  51
  52 # -- Compiler Features --
  53
  54 AM_C_PROTOTYPES
  55 AC_C_CONST
  56 AC_C_INLINE
  57
  58 # -- Hard coded system and compiler dependencies/features/options ... --
  59
  60 if test "$GCC" = "yes"; then
  61         # We are using the GNU C compiler. Good!
  62         CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
  63 fi
  64
  65
  66 AC_DEFUN([GCC_STACK_PROTECT_CC],[
  67   ssp_cc=yes
  68   if test "X$CC" != "X"; then
  69     AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
  70     ssp_old_cflags="$CFLAGS"
  71     CFLAGS="$CFLAGS -fstack-protector"
  72     AC_TRY_LINK(,,, ssp_cc=no)
  73     echo $ssp_cc
  74     if test "X$ssp_cc" = "Xno"; then
  75       CFLAGS="$ssp_old_cflags"
  76     else
  77       AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
  78     fi
  79   fi
  80 ])
  81
  82 GCC_STACK_PROTECT_CC
  83
  84 case "$target_os" in
  85         hpux*)
  86                 # This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
  87                 # (tested with HP/UX 11.11)
  88                 CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
  89                 ;;
  90 esac
  91
  92 # Add additional CFLAGS, eventually specified on the command line:
  93 test -n "$CFLAGS_ADD" && CFLAGS="$CFLAGS $CFLAGS_ADD"
  94
  95 CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"'"
  96
  97 # -- Headers --
  98
  99 AC_HEADER_STDC
 100 AC_HEADER_TIME
 101 AC_HEADER_SYS_WAIT
 102
 103 AC_CHECK_HEADERS([ \
 104         ctype.h errno.h fcntl.h netdb.h netinet/in.h stdlib.h string.h \
 105         strings.h sys/socket.h sys/time.h unistd.h \
 106         ],,AC_MSG_ERROR([required C header missing!]))
 107
 108 AC_CHECK_HEADERS([arpa/inet.h ctype.h malloc.h stdbool.h stddef.h varargs.h])
 109
 110 # -- Datatypes --
 111
 112 AC_MSG_CHECKING(whether socklen_t exists)
 113 AC_TRY_COMPILE([
 114 #include <sys/types.h>
 115 #include <sys/socket.h>
 116         ],[
 117         socklen_t a, b;
 118         a = 2; b = 4; a += b;
 119         ],[
 120         AC_DEFINE(HAVE_socklen_t) AC_MSG_RESULT(yes)
 121         ],[
 122         AC_MSG_RESULT(no)
 123 ])
 124
 125 AC_TYPE_SIGNAL
 126 AC_TYPE_SIZE_T
 127
 128
 129 # -- Libraries --
 130
 131 AC_CHECK_LIB(UTIL,memmove)
 132 AC_CHECK_LIB(socket,bind)
 133 AC_CHECK_LIB(nsl,gethostent)
 134
 135 # -- Functions --
 136
 137 AC_FUNC_FORK
 138 AC_FUNC_STRFTIME
 139
 140 AC_CHECK_FUNCS([ \
 141         bind gethostbyaddr gethostbyname gethostname inet_ntoa malloc memmove \
 142         memset realloc setsid setsockopt socket strcasecmp strchr strerror \
 143         strstr waitpid],,AC_MSG_ERROR([required function missing!]))
 144
 145 AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat)
 146
 147 AC_CHECK_FUNCS(select,[AC_CHECK_HEADERS(sys/select.h)],
 148         AC_MSG_ERROR([required function select() is missing!])
 149 )
 150
 151 # -- Configuration options --
 152
 153 x_syslog_on=no
 154 AC_ARG_WITH(syslog,
 155         [  --without-syslog        disable syslog (autodetected by default)],
 156         [       if test "$withval" != "no"; then
 157                         if test "$withval" != "yes"; then
 158                                 CFLAGS="-I$withval/include $CFLAGS"
 159                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 160                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 161                         fi
 162                         AC_CHECK_LIB(be, syslog)
 163                         AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
 164                                 AC_MSG_ERROR([Can't enable syslog!])
 165                         )
 166                 fi
 167         ],
 168         [
 169                 AC_CHECK_LIB(be, syslog)
 170                 AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
 171         ]
 172 )
 173 if test "$x_syslog_on" = "yes"; then
 174         AC_DEFINE(SYSLOG, 1)
 175         AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
 176 fi
 177
 178 x_zlib_on=no
 179 AC_ARG_WITH(zlib,
 180         [  --without-zlib          disable zlib compression (autodetected by default)],
 181         [       if test "$withval" != "no"; then
 182                         if test "$withval" != "yes"; then
 183                                 CFLAGS="-I$withval/include $CFLAGS"
 184                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 185                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 186                         fi
 187                         AC_CHECK_LIB(z, deflate)
 188                         AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
 189                                 AC_MSG_ERROR([Can't enable zlib!])
 190                         )
 191                 fi
 192         ],
 193         [       AC_CHECK_LIB(z, deflate)
 194                 AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
 195         ]
 196 )
 197 if test "$x_zlib_on" = "yes"; then
 198         AC_DEFINE(ZLIB, 1)
 199         AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
 200 fi
 201
 202
 203 x_io_backend=select
 204 AC_ARG_WITH(epoll,
 205         [  --without-epoll         disable epoll support (autodetected by default)],
 206         [       if test "$withval" != "no"; then
 207                         if test "$withval" != "yes"; then
 208                                 CFLAGS="-I$withval/include $CFLAGS"
 209                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 210                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 211                         fi
 212                         AC_CHECK_FUNCS(epoll_create, x_io_backend=epoll,
 213                                 AC_MSG_ERROR([Can't enable epoll support!])
 214                         )
 215                 fi
 216         ],
 217         [
 218                 AC_CHECK_FUNCS(epoll_create, x_io_backend=epoll)
 219         ]
 220 )
 221
 222 AC_ARG_WITH(kqueue,
 223         [  --without-kqueue        disable kqueue support (autodetected by default)],
 224         [       if test "$withval" != "no"; then
 225                         if test "$withval" != "yes"; then
 226                                 CFLAGS="-I$withval/include $CFLAGS"
 227                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 228                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 229                         fi
 230                         AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue,
 231                                 AC_MSG_ERROR([Can't enable kqueue support!])
 232                         )
 233                 fi
 234         ],
 235         [
 236                 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue)
 237         ]
 238 )
 239
 240
 241 x_tcpwrap_on=no
 242 AC_ARG_WITH(tcp-wrappers,
 243         [  --with-tcp-wrappers     enable TCP wrappers support],
 244         [       if test "$withval" != "no"; then
 245                         if test "$withval" != "yes"; then
 246                                 CFLAGS="-I$withval/include $CFLAGS"
 247                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 248                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 249                         fi
 250                         AC_MSG_CHECKING(for hosts_access)
 251                         LIBS="-lwrap $LIBS"
 252                         AC_TRY_LINK([
 253 #include <tcpd.h>
 254 int allow_severity = 0;
 255 int deny_severity = 0;
 256                                 ],[
 257                                 tcpd_warn("link test");
 258                                 ],[
 259                                 AC_MSG_RESULT(yes)
 260                                 AC_DEFINE(TCPWRAP, 1)
 261                                 x_tcpwrap_on=yes
 262                                 ],[
 263                                 AC_MSG_RESULT(no)
 264                                 AC_MSG_ERROR([Can't enable TCP wrappers!])
 265                         ])
 266                 fi
 267         ]
 268 )
 269
 270 x_zeroconf_on=no
 271 AC_ARG_WITH(zeroconf,
 272         [  --with-zeroconf         enable support for "Zeroconf"],
 273         [       if test "$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 $LDFLAGS"
 278                         fi
 279                         AC_CHECK_FUNCS(DNSServiceRegistrationCreate, x_zeroconf_on=osx,
 280                         [
 281                                 AC_CHECK_LIB(pthread, pthread_mutexattr_init)
 282                                 AC_CHECK_LIB(howl, sw_discovery_init)
 283                                 AC_CHECK_FUNCS(sw_discovery_init, \
 284                                  x_zeroconf_on=howl, \
 285                                  AC_MSG_ERROR([Can't enable Zeroconf!]))
 286                         ])
 287                 fi
 288         ]
 289 )
 290 if test "$x_zeroconf_on" = "osx"; then
 291         AC_CHECK_HEADERS([DNSServiceDiscovery/DNSServiceDiscovery.h \
 292          mach/port.h],,AC_MSG_ERROR([required C header missing!]))
 293         AC_DEFINE(ZEROCONF, 1)
 294 fi
 295 if test "$x_zeroconf_on" = "howl"; then
 296         for dir in /usr/local/include /usr/local/include/howl* \
 297          /usr/include /usr/include/howl* \
 298          /usr/local/include/avahi* /usr/include/avahi*; do
 299                 test -d "$dir" || continue
 300                 AC_MSG_CHECKING([for Howl headers in $dir])
 301                 if test -f "$dir/rendezvous/rendezvous.h"; then
 302                         if test "$dir" != "/usr/local/include" -a \
 303                          "$dir" != "/usr/include"; then
 304                                 CFLAGS="-I$dir $CFLAGS"
 305                                 CPPFLAGS="-I$dir $CPPFLAGS"
 306                         fi
 307                         AC_MSG_RESULT(yes)
 308                         break
 309                 else
 310                         AC_MSG_RESULT(no)
 311                 fi
 312         done
 313         AC_CHECK_HEADERS([rendezvous/rendezvous.h],, \
 314          AC_MSG_ERROR([required C header missing!]))
 315         AC_DEFINE(ZEROCONF, 1)
 316 fi
 317
 318 x_identauth_on=no
 319 AC_ARG_WITH(ident,
 320         [  --with-ident            enable "IDENT" ("AUTH") protocol support],
 321         [       if test "$withval" != "no"; then
 322                         if test "$withval" != "yes"; then
 323                                 CFLAGS="-I$withval/include $CFLAGS"
 324                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 325                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 326                         fi
 327                         AC_CHECK_LIB(ident, ident_id)
 328                         AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
 329                                 AC_MSG_ERROR([Can't enable IDENT support!])
 330                         )
 331                 fi
 332         ]
 333 )
 334 if test "$x_identauth_on" = "yes"; then
 335         AC_DEFINE(IDENTAUTH, 1)
 336         AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
 337 fi
 338
 339 x_ircplus_on=yes
 340 AC_ARG_ENABLE(ircplus,
 341         [  --disable-ircplus       disable IRC+ protocol],
 342         if test "$enableval" = "no"; then x_ircplus_on=no; fi
 343 )
 344 if test "$x_ircplus_on" = "yes"; then
 345         AC_DEFINE(IRCPLUS, 1)
 346 fi
 347
 348 x_sniffer_on=no; x_debug_on=no
 349 AC_ARG_ENABLE(sniffer,
 350         [  --enable-sniffer        enable IRC traffic sniffer (enables debug mode)],
 351         if test "$enableval" = "yes"; then
 352                 AC_DEFINE(SNIFFER, 1)
 353                 x_sniffer_on=yes; x_debug_on=yes
 354         fi
 355 )
 356
 357 AC_ARG_ENABLE(debug,
 358         [  --enable-debug          show additional debug output],
 359         if test "$enableval" = "yes"; then x_debug_on=yes; fi
 360 )
 361 if test "$x_debug_on" = "yes"; then
 362         AC_DEFINE(DEBUG, 1)
 363         test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
 364 fi
 365
 366 x_strict_rfc_on=no
 367 AC_ARG_ENABLE(strict-rfc,
 368         [  --enable-strict-rfc     strict RFC conformance -- may break clients!],
 369         if test "$enableval" = "yes"; then
 370                 AC_DEFINE(STRICT_RFC, 1)
 371                 x_strict_rfc_on=yes
 372         fi
 373 )
 374
 375 # -- Definitions --
 376
 377 AC_DEFINE_UNQUOTED(TARGET_CPU, "$target_cpu" )
 378 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "$target_vendor" )
 379 AC_DEFINE_UNQUOTED(TARGET_OS, "$target_os" )
 380
 381 # Add additional CFLAGS, eventually specified on the command line, but after
 382 # running this configure script. Useful for "-Werror" for example.
 383 test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
 384
 385 # -- Generate files --
 386
 387 AC_OUTPUT([ \
 388         Makefile \
 389         doc/Makefile \
 390         doc/src/Makefile \
 391         src/Makefile \
 392         src/portab/Makefile \
 393         src/tool/Makefile \
 394         src/ngircd/Makefile \
 395         src/testsuite/Makefile \
 396         man/Makefile \
 397         contrib/Makefile \
 398         contrib/Debian/Makefile \
 399         contrib/MacOSX/Makefile \
 400 ])
 401
 402 type dpkg >/dev/null 2>&1
 403 if test $? -eq 0; then
 404         # Generate debian/ link if the dpkg command exists
 405         # (read: if we are running on a debian compatible system)
 406         echo "creating Debian-specific links ..."
 407         test -f debian/rules || ln -s contrib/Debian debian
 408 fi
 409
 410 # -- Result --
 411
 412 echo
 413 echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
 414 echo
 415
 416 # Someone please show me a better way :)  [borrowed by OpenSSH]
 417 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
 418 S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
 419 C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
 420 M=`eval echo ${mandir}` ; M=`eval echo ${M}`
 421 D=`eval echo ${datadir}/doc/${PACKAGE}` ; D=`eval echo ${D}`
 422
 423 echo "             Target: ${target}"
 424 test "$target" != "$host" && echo "               Host: ${host}"
 425 echo "           Compiler: ${CC}"
 426 test -n "$CFLAGS"       && echo "     Compiler flags: ${CFLAGS}"
 427 test -n "$CPPFLAGS"     && echo " Preprocessor flags: ${CPPFLAGS}"
 428 test -n "$LDFLAGS"      && echo "       Linker flags: ${LDFLAGS}"
 429 test -n "$LIBS"         && echo "          Libraries: ${LIBS}"
 430 echo
 431 echo "    'ngircd' binary: $S"
 432 echo " Configuration file: $C"
 433 echo "       Manual pages: $M"
 434 echo "      Documentation: $D"
 435 echo
 436
 437 echo $ECHO_N "     Syslog support: $ECHO_C"
 438 test "$x_syslog_on" = "yes" \
 439         && echo $ECHO_N "yes   $ECHO_C" \
 440         || echo $ECHO_N "no    $ECHO_C"
 441 echo $ECHO_N "  Enable debug code: $ECHO_C"
 442 test "$x_debug_on" = "yes" \
 443         && echo "yes" \
 444         || echo "no"
 445
 446 echo $ECHO_N "   zlib compression: $ECHO_C"
 447 test "$x_zlib_on" = "yes" \
 448         && echo $ECHO_N "yes   $ECHO_C" \
 449         || echo $ECHO_N "no    $ECHO_C"
 450 echo $ECHO_N "        IRC sniffer: $ECHO_C"
 451 test "$x_sniffer_on" = "yes" \
 452         && echo "yes" \
 453         || echo "no"
 454
 455 echo $ECHO_N "   Use TCP Wrappers: $ECHO_C"
 456 test "$x_tcpwrap_on" = "yes" \
 457         && echo $ECHO_N "yes   $ECHO_C" \
 458         || echo $ECHO_N "no    $ECHO_C"
 459 echo $ECHO_N "    Strict RFC mode: $ECHO_C"
 460 test "$x_strict_rfc_on" = "yes" \
 461         && echo "yes" \
 462         || echo "no"
 463
 464 echo $ECHO_N "   Zeroconf support: $ECHO_C"
 465 case "$x_zeroconf_on" in
 466         osx)
 467                 echo $ECHO_N "Apple $ECHO_C"
 468                 ;;
 469         howl)
 470                 echo $ECHO_N "Howl  $ECHO_C"
 471                 ;;
 472         *)
 473                 echo $ECHO_N "no    $ECHO_C"
 474                 ;;
 475 esac
 476 echo $ECHO_N "      IRC+ protocol: $ECHO_C"
 477 test "$x_ircplus_on" = "yes" \
 478         && echo "yes" \
 479         || echo "no"
 480
 481 echo $ECHO_N "      IDENT support: $ECHO_C"
 482 test "$x_identauth_on" = "yes" \
 483         && echo $ECHO_N "yes   $ECHO_C" \
 484         || echo $ECHO_N "no    $ECHO_C"
 485 echo $ECHO_N "        I/O backend: $ECHO_C"
 486         echo "\"$x_io_backend()\""
 487
 488 echo
 489
 490 # -eof-