configure.in

   1 #
   2 # ngIRCd -- The Next Generation IRC Daemon
   3 # Copyright (c)2001-2006 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 1.118.2.4 2006/09/09 18:34:00 alex Exp $
  12 #
  13
  14 # -- Initialisation --
  15
  16 AC_PREREQ(2.50)
  17 AC_INIT(ngircd, 0.10.0-pre1)
  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
  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 malloc memmove \
 140         memset realloc setsid setsockopt socket strcasecmp strchr strerror \
 141         strstr waitpid],,AC_MSG_ERROR([required function missing!]))
 142
 143 AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strdup strlcpy strlcat)
 144
 145 AC_CHECK_FUNCS(select,[AC_CHECK_HEADERS(sys/select.h)],
 146         AC_MSG_ERROR([required function select() is missing!])
 147 )
 148
 149 # -- Configuration options --
 150
 151 x_syslog_on=no
 152 AC_ARG_WITH(syslog,
 153         [  --without-syslog        disable syslog (autodetected by default)],
 154         [       if test "$withval" != "no"; then
 155                         if test "$withval" != "yes"; then
 156                                 CFLAGS="-I$withval/include $CFLAGS"
 157                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 158                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 159                         fi
 160                         AC_CHECK_LIB(be, syslog)
 161                         AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
 162                                 AC_MSG_ERROR([Can't enable syslog!])
 163                         )
 164                 fi
 165         ],
 166         [
 167                 AC_CHECK_LIB(be, syslog)
 168                 AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
 169         ]
 170 )
 171 if test "$x_syslog_on" = "yes"; then
 172         AC_DEFINE(SYSLOG, 1)
 173         AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
 174 fi
 175
 176 x_zlib_on=no
 177 AC_ARG_WITH(zlib,
 178         [  --without-zlib          disable zlib compression (autodetected by default)],
 179         [       if test "$withval" != "no"; then
 180                         if test "$withval" != "yes"; then
 181                                 CFLAGS="-I$withval/include $CFLAGS"
 182                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 183                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 184                         fi
 185                         AC_CHECK_LIB(z, deflate)
 186                         AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
 187                                 AC_MSG_ERROR([Can't enable zlib!])
 188                         )
 189                 fi
 190         ],
 191         [       AC_CHECK_LIB(z, deflate)
 192                 AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
 193         ]
 194 )
 195 if test "$x_zlib_on" = "yes"; then
 196         AC_DEFINE(ZLIB, 1)
 197         AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
 198 fi
 199
 200
 201 x_io_backend=select
 202 AC_ARG_WITH(epoll,
 203         [  --without-epoll         disable epoll support (autodetected by default)],
 204         [       if test "$withval" != "no"; then
 205                         if test "$withval" != "yes"; then
 206                                 CFLAGS="-I$withval/include $CFLAGS"
 207                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 208                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 209                         fi
 210                         AC_CHECK_FUNCS(epoll_create, x_io_backend=epoll,
 211                                 AC_MSG_ERROR([Can't enable epoll support!])
 212                         )
 213                 fi
 214         ],
 215         [
 216                 AC_CHECK_FUNCS(epoll_create, x_io_backend=epoll)
 217         ]
 218 )
 219
 220 AC_ARG_WITH(kqueue,
 221         [  --without-kqueue        disable kqueue support (autodetected by default)],
 222         [       if test "$withval" != "no"; then
 223                         if test "$withval" != "yes"; then
 224                                 CFLAGS="-I$withval/include $CFLAGS"
 225                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 226                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 227                         fi
 228                         AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue,
 229                                 AC_MSG_ERROR([Can't enable kqueue support!])
 230                         )
 231                 fi
 232         ],
 233         [
 234                 AC_CHECK_FUNCS(kqueue, x_io_backend=kqueue)
 235         ]
 236 )
 237
 238
 239 x_tcpwrap_on=no
 240 AC_ARG_WITH(tcp-wrappers,
 241         [  --with-tcp-wrappers     enable TCP wrappers support],
 242         [       if test "$withval" != "no"; then
 243                         if test "$withval" != "yes"; then
 244                                 CFLAGS="-I$withval/include $CFLAGS"
 245                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 246                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 247                         fi
 248                         AC_MSG_CHECKING(for hosts_access)
 249                         LIBS="-lwrap $LIBS"
 250                         AC_TRY_LINK([
 251 #include <tcpd.h>
 252 int allow_severity = 0;
 253 int deny_severity = 0;
 254                                 ],[
 255                                 tcpd_warn("link test");
 256                                 ],[
 257                                 AC_MSG_RESULT(yes)
 258                                 AC_DEFINE(TCPWRAP, 1)
 259                                 x_tcpwrap_on=yes
 260                                 ],[
 261                                 AC_MSG_RESULT(no)
 262                                 AC_MSG_ERROR([Can't enable TCP wrappers!])
 263                         ])
 264                 fi
 265         ]
 266 )
 267
 268 x_zeroconf_on=no
 269 AC_ARG_WITH(zeroconf,
 270         [  --with-zeroconf         enable support for "Zeroconf"],
 271         [       if test "$withval" != "no"; then
 272                         if test "$withval" != "yes"; then
 273                                 CFLAGS="-I$withval/include $CFLAGS"
 274                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 275                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 276                         fi
 277                         AC_CHECK_FUNCS(DNSServiceRegistrationCreate, x_zeroconf_on=osx,
 278                         [
 279                                 AC_CHECK_LIB(pthread, pthread_mutexattr_init)
 280                                 AC_CHECK_LIB(howl, sw_discovery_init)
 281                                 AC_CHECK_FUNCS(sw_discovery_init, \
 282                                  x_zeroconf_on=howl, \
 283                                  AC_MSG_ERROR([Can't enable Zeroconf!]))
 284                         ])
 285                 fi
 286         ]
 287 )
 288 if test "$x_zeroconf_on" = "osx"; then
 289         AC_CHECK_HEADERS([DNSServiceDiscovery/DNSServiceDiscovery.h \
 290          mach/port.h],,AC_MSG_ERROR([required C header missing!]))
 291         AC_DEFINE(ZEROCONF, 1)
 292 fi
 293 if test "$x_zeroconf_on" = "howl"; then
 294         for dir in /usr/local/include /usr/local/include/howl* \
 295          /usr/include /usr/include/howl* \
 296          /usr/local/include/avahi* /usr/include/avahi*; do
 297                 test -d "$dir" || continue
 298                 AC_MSG_CHECKING([for Howl headers in $dir])
 299                 if test -f "$dir/rendezvous/rendezvous.h"; then
 300                         if test "$dir" != "/usr/local/include" -a \
 301                          "$dir" != "/usr/include"; then
 302                                 CFLAGS="-I$dir $CFLAGS"
 303                                 CPPFLAGS="-I$dir $CPPFLAGS"
 304                         fi
 305                         AC_MSG_RESULT(yes)
 306                         break
 307                 else
 308                         AC_MSG_RESULT(no)
 309                 fi
 310         done
 311         AC_CHECK_HEADERS([rendezvous/rendezvous.h],, \
 312          AC_MSG_ERROR([required C header missing!]))
 313         AC_DEFINE(ZEROCONF, 1)
 314 fi
 315
 316 x_identauth_on=no
 317 AC_ARG_WITH(ident,
 318         [  --with-ident            enable "IDENT" ("AUTH") protocol support],
 319         [       if test "$withval" != "no"; then
 320                         if test "$withval" != "yes"; then
 321                                 CFLAGS="-I$withval/include $CFLAGS"
 322                                 CPPFLAGS="-I$withval/include $CPPFLAGS"
 323                                 LDFLAGS="-L$withval/lib $LDFLAGS"
 324                         fi
 325                         AC_CHECK_LIB(ident, ident_id)
 326                         AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
 327                                 AC_MSG_ERROR([Can't enable IDENT support!])
 328                         )
 329                 fi
 330         ]
 331 )
 332 if test "$x_identauth_on" = "yes"; then
 333         AC_DEFINE(IDENTAUTH, 1)
 334         AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
 335 fi
 336
 337 x_ircplus_on=yes
 338 AC_ARG_ENABLE(ircplus,
 339         [  --disable-ircplus       disable IRC+ protocol],
 340         if test "$enableval" = "no"; then x_ircplus_on=no; fi
 341 )
 342 if test "$x_ircplus_on" = "yes"; then
 343         AC_DEFINE(IRCPLUS, 1)
 344 fi
 345
 346 x_sniffer_on=no; x_debug_on=no
 347 AC_ARG_ENABLE(sniffer,
 348         [  --enable-sniffer        enable IRC traffic sniffer (enables debug mode)],
 349         if test "$enableval" = "yes"; then
 350                 AC_DEFINE(SNIFFER, 1)
 351                 x_sniffer_on=yes; x_debug_on=yes
 352         fi
 353 )
 354
 355 AC_ARG_ENABLE(debug,
 356         [  --enable-debug          show additional debug output],
 357         if test "$enableval" = "yes"; then x_debug_on=yes; fi
 358 )
 359 if test "$x_debug_on" = "yes"; then
 360         AC_DEFINE(DEBUG, 1)
 361         test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
 362 fi
 363
 364 x_strict_rfc_on=no
 365 AC_ARG_ENABLE(strict-rfc,
 366         [  --enable-strict-rfc     strict RFC conformance -- may break clients!],
 367         if test "$enableval" = "yes"; then
 368                 AC_DEFINE(STRICT_RFC, 1)
 369                 x_strict_rfc_on=yes
 370         fi
 371 )
 372
 373 # -- Definitions --
 374
 375 AC_DEFINE_UNQUOTED(TARGET_CPU, "$target_cpu" )
 376 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "$target_vendor" )
 377 AC_DEFINE_UNQUOTED(TARGET_OS, "$target_os" )
 378
 379 # Add additional CFLAGS, eventually specified on the command line, but after
 380 # running this configure script. Useful for "-Werror" for example.
 381 test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
 382
 383 # -- Generate files --
 384
 385 AC_OUTPUT([ \
 386         Makefile \
 387         doc/Makefile \
 388         doc/src/Makefile \
 389         src/Makefile \
 390         src/portab/Makefile \
 391         src/tool/Makefile \
 392         src/ngircd/Makefile \
 393         src/testsuite/Makefile \
 394         man/Makefile \
 395         contrib/Makefile \
 396         contrib/Debian/Makefile \
 397         contrib/MacOSX/Makefile \
 398 ])
 399
 400 type dpkg >/dev/null 2>&1
 401 if test $? -eq 0; then
 402         # Generate debian/ link if the dpkg command exists
 403         # (read: if we are running on a debian compatible system)
 404         echo "creating Debian-specific links ..."
 405         test -f debian/rules || ln -s contrib/Debian debian
 406 fi
 407
 408 # -- Result --
 409
 410 echo
 411 echo "ngIRCd $PACKAGE_VERSION has been configured with the following options:"
 412 echo
 413
 414 # Someone please show me a better way :)  [borrowed by OpenSSH]
 415 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
 416 S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
 417 C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
 418 M=`eval echo ${mandir}` ; M=`eval echo ${M}`
 419 D=`eval echo ${datadir}/doc/${PACKAGE}` ; D=`eval echo ${D}`
 420
 421 echo "             Target: ${target}"
 422 test "$target" != "$host" && echo "               Host: ${host}"
 423 echo "           Compiler: ${CC}"
 424 test -n "$CFLAGS"       && echo "     Compiler flags: ${CFLAGS}"
 425 test -n "$CPPFLAGS"     && echo " Preprocessor flags: ${CPPFLAGS}"
 426 test -n "$LDFLAGS"      && echo "       Linker flags: ${LDFLAGS}"
 427 test -n "$LIBS"         && echo "          Libraries: ${LIBS}"
 428 echo
 429 echo "    'ngircd' binary: $S"
 430 echo " Configuration file: $C"
 431 echo "       Manual pages: $M"
 432 echo "      Documentation: $D"
 433 echo
 434
 435 echo $ECHO_N "     Syslog support: $ECHO_C"
 436 test "$x_syslog_on" = "yes" \
 437         && echo $ECHO_N "yes   $ECHO_C" \
 438         || echo $ECHO_N "no    $ECHO_C"
 439 echo $ECHO_N "  Enable debug code: $ECHO_C"
 440 test "$x_debug_on" = "yes" \
 441         && echo "yes" \
 442         || echo "no"
 443
 444 echo $ECHO_N "   zlib compression: $ECHO_C"
 445 test "$x_zlib_on" = "yes" \
 446         && echo $ECHO_N "yes   $ECHO_C" \
 447         || echo $ECHO_N "no    $ECHO_C"
 448 echo $ECHO_N "        IRC sniffer: $ECHO_C"
 449 test "$x_sniffer_on" = "yes" \
 450         && echo "yes" \
 451         || echo "no"
 452
 453 echo $ECHO_N "   Use TCP Wrappers: $ECHO_C"
 454 test "$x_tcpwrap_on" = "yes" \
 455         && echo $ECHO_N "yes   $ECHO_C" \
 456         || echo $ECHO_N "no    $ECHO_C"
 457 echo $ECHO_N "    Strict RFC mode: $ECHO_C"
 458 test "$x_strict_rfc_on" = "yes" \
 459         && echo "yes" \
 460         || echo "no"
 461
 462 echo $ECHO_N "   Zeroconf support: $ECHO_C"
 463 case "$x_zeroconf_on" in
 464         osx)
 465                 echo $ECHO_N "Apple $ECHO_C"
 466                 ;;
 467         howl)
 468                 echo $ECHO_N "Howl  $ECHO_C"
 469                 ;;
 470         *)
 471                 echo $ECHO_N "no    $ECHO_C"
 472                 ;;
 473 esac
 474 echo $ECHO_N "      IRC+ protocol: $ECHO_C"
 475 test "$x_ircplus_on" = "yes" \
 476         && echo "yes" \
 477         || echo "no"
 478
 479 echo $ECHO_N "      IDENT support: $ECHO_C"
 480 test "$x_identauth_on" = "yes" \
 481         && echo $ECHO_N "yes   $ECHO_C" \
 482         || echo $ECHO_N "no    $ECHO_C"
 483 echo $ECHO_N "        I/O backend: $ECHO_C"
 484         echo "\"$x_io_backend()\""
 485
 486 echo
 487
 488 # -eof-