configure.in

   1 #
   2 # ngIRCd -- The Next Generation IRC Daemon
   3 # Copyright (c)2001-2004 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 1.104 2004/12/26 00:14:33 alex 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([RENDEZVOUS], [Define if Rendezvous support 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 if test "$GCC" = "yes"; then
  60         # We are using the GNU C compiler. Good!
  61         CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
  62 fi
  63
  64 case "$target_os" in
  65         hpux*)
  66                 # This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
  67                 # (tested with HP/UX 11.11)
  68                 CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
  69                 ;;
  70 esac
  71
  72 # Add additional CFLAGS, eventually specified on the command line:
  73 test -n "$CFLAGS_ADD" && CFLAGS="$CFLAGS $CFLAGS_ADD"
  74
  75 CFLAGS="$CFLAGS -DSYSCONFDIR='\"\$(sysconfdir)\"'"
  76
  77 # -- Headers --
  78
  79 AC_HEADER_STDC
  80 AC_HEADER_TIME
  81 AC_HEADER_SYS_WAIT
  82
  83 AC_CHECK_HEADERS([ \
  84         ctype.h errno.h fcntl.h netdb.h netinet/in.h stdlib.h string.h \
  85         strings.h sys/socket.h sys/time.h unistd.h \
  86         ],,AC_MSG_ERROR([required C header missing!]))
  87
  88 AC_CHECK_HEADERS([arpa/inet.h ctype.h malloc.h stdint.h varargs.h])
  89
  90 # -- Datatypes --
  91
  92 AC_MSG_CHECKING(whether socklen_t exists)
  93 AC_TRY_COMPILE([
  94         #include <sys/socket.h>
  95         #include <sys/types.h>
  96         ],[
  97         socklen_t a, b;
  98         a = 2; b = 4; a += b;
  99         ],[
 100         AC_DEFINE(HAVE_socklen_t) AC_MSG_RESULT(yes)
 101         ],[
 102         AC_MSG_RESULT(no)
 103 ])
 104
 105 AC_TYPE_SIGNAL
 106 AC_TYPE_SIZE_T
 107
 108 # -- Libraries --
 109
 110 AC_CHECK_LIB(UTIL,memmove)
 111 AC_CHECK_LIB(socket,bind)
 112 AC_CHECK_LIB(nsl,gethostent)
 113
 114 # -- Functions --
 115
 116 AC_FUNC_FORK
 117 AC_FUNC_STRFTIME
 118
 119 AC_CHECK_FUNCS([ \
 120         bind gethostbyaddr gethostbyname gethostname inet_ntoa malloc memmove \
 121         memset realloc setsid setsockopt socket strcasecmp strchr strerror \
 122         strstr waitpid],,AC_MSG_ERROR([required function missing!]))
 123
 124 AC_CHECK_FUNCS(inet_aton isdigit sigaction snprintf vsnprintf strlcpy strlcat)
 125
 126 AC_CHECK_FUNCS(select,[AC_CHECK_HEADERS(sys/select.h)],
 127         AC_MSG_ERROR([required function select() is missing!])
 128 )
 129
 130 # -- Configuration options --
 131
 132 x_syslog_on=no
 133 AC_ARG_WITH(syslog,
 134         [  --without-syslog        disable syslog (autodetected by default)],
 135         [       if test "$withval" = "yes"; then
 136                         AC_CHECK_LIB(be, syslog)
 137                         AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
 138                                 AC_MSG_ERROR([Can't enable syslog!])
 139                         )
 140                 fi
 141         ],
 142         [
 143                 AC_CHECK_LIB(be, syslog)
 144                 AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
 145         ]
 146 )
 147 if test "$x_syslog_on" = "yes"; then
 148         AC_DEFINE(SYSLOG, 1)
 149         AC_CHECK_HEADERS(syslog.h,,AC_MSG_ERROR([required C header missing!]))
 150 fi
 151
 152 x_zlib_on=no
 153 AC_ARG_WITH(zlib,
 154         [  --without-zlib          disable zlib compression (autodetected by default)],
 155         [       if test "$withval" = "yes"; then
 156                         AC_CHECK_LIB(z, deflate)
 157                         AC_CHECK_FUNCS(deflate, x_zlib_on=yes,
 158                                 AC_MSG_ERROR([Can't enable zlib!])
 159                         )
 160                 fi
 161         ],
 162         [       AC_CHECK_LIB(z, deflate)
 163                 AC_CHECK_FUNCS(deflate, x_zlib_on=yes)
 164         ]
 165 )
 166 if test "$x_zlib_on" = "yes"; then
 167         AC_DEFINE(ZLIB, 1)
 168         AC_CHECK_HEADERS(zlib.h,,AC_MSG_ERROR([required C header missing!]))
 169 fi
 170
 171 x_tcpwrap_on=no
 172 AC_ARG_WITH(tcp-wrappers,
 173         [  --with-tcp-wrappers     enable TCP wrappers support],
 174         [       if test "$withval" = "yes"; then
 175                         AC_CHECK_LIB(wrap, tcpd_warn)
 176                         AC_MSG_CHECKING(for hosts_access)
 177                         AC_TRY_LINK([
 178                                 #include <tcpd.h>
 179                                 ],[
 180                                 void *ptr;
 181                                 ptr = hosts_access;
 182                                 ],[
 183                                 AC_MSG_RESULT(yes)
 184                                 AC_DEFINE(TCPWRAP, 1)
 185                                 x_tcpwrap_on=yes
 186                                 ],[
 187                                 AC_MSG_RESULT(no)
 188                                 AC_MSG_ERROR([Can't enable TCP wrappers!])
 189                         ])
 190                 fi
 191         ]
 192 )
 193
 194 x_rendezvous_on=no
 195 AC_ARG_WITH(rendezvous,
 196         [  --with-rendezvous       enable support for "Rendezvous"],
 197         [       if test "$withval" = "yes"; then
 198                         AC_CHECK_FUNCS(DNSServiceRegistrationCreate, x_rendezvous_on=osx,
 199                         [
 200                                 AC_CHECK_LIB(pthread, pthread_mutexattr_init)
 201                                 AC_CHECK_LIB(howl, sw_discovery_init)
 202                                 AC_CHECK_FUNCS(sw_discovery_init, \
 203                                  x_rendezvous_on=howl, \
 204                                  AC_MSG_ERROR([Can't enable Rendezvous!]))
 205                         ])
 206                 fi
 207         ]
 208 )
 209 if test "$x_rendezvous_on" = "osx"; then
 210         AC_CHECK_HEADERS([DNSServiceDiscovery/DNSServiceDiscovery.h \
 211          mach/port.h],,AC_MSG_ERROR([required C header missing!]))
 212         AC_DEFINE(RENDEZVOUS, 1)
 213 fi
 214 if test "$x_rendezvous_on" = "howl"; then
 215         for dir in /usr/local/include /usr/local/include/howl* \
 216          /usr/include /usr/include/howl*; do
 217                 test -d "$dir" || continue
 218                 AC_MSG_CHECKING([for Howl headers in $dir])
 219                 if test -f "$dir/rendezvous/rendezvous.h"; then
 220                         if test "$dir" != "/usr/local/include" -a \
 221                          "$dir" != "/usr/include"; then
 222                                 CFLAGS="$CFLAGS -I$dir"
 223                                 CPPFLAGS="-I$dir $CPPFLAGS"
 224                         fi
 225                         AC_MSG_RESULT(yes)
 226                         break
 227                 else
 228                         AC_MSG_RESULT(no)
 229                 fi
 230         done
 231         AC_CHECK_HEADERS([rendezvous/rendezvous.h],, \
 232          AC_MSG_ERROR([required C header missing!]))
 233         AC_DEFINE(RENDEZVOUS, 1)
 234 fi
 235
 236 x_identauth_on=no
 237 AC_ARG_WITH(ident,
 238         [  --with-ident            enable "IDENT" ("AUTH") protocol support],
 239         [       if test "$withval" = "yes"; then
 240                         AC_CHECK_LIB(ident, ident_id)
 241                         AC_CHECK_FUNCS(ident_id, x_identauth_on=yes,
 242                                 AC_MSG_ERROR([Can't enable IDENT support!])
 243                         )
 244                 fi
 245         ]
 246 )
 247 if test "$x_identauth_on" = "yes"; then
 248         AC_DEFINE(IDENTAUTH, 1)
 249         AC_CHECK_HEADERS(ident.h,,AC_MSG_ERROR([required C header missing!]))
 250 fi
 251
 252 x_ircplus_on=yes
 253 AC_ARG_ENABLE(ircplus,
 254         [  --disable-ircplus       disable IRC+ protocol],
 255         if test "$enableval" = "no"; then x_ircplus_on=no; fi
 256 )
 257 if test "$x_ircplus_on" = "yes"; then
 258         AC_DEFINE(IRCPLUS, 1)
 259 fi
 260
 261 x_sniffer_on=no; x_debug_on=no
 262 AC_ARG_ENABLE(sniffer,
 263         [  --enable-sniffer        enable IRC traffic sniffer (enables debug mode)],
 264         if test "$enableval" = "yes"; then
 265                 AC_DEFINE(SNIFFER, 1)
 266                 x_sniffer_on=yes; x_debug_on=yes
 267         fi
 268 )
 269
 270 AC_ARG_ENABLE(debug,
 271         [  --enable-debug          show additional debug output],
 272         if test "$enableval" = "yes"; then x_debug_on=yes; fi
 273 )
 274 if test "$x_debug_on" = "yes"; then
 275         AC_DEFINE(DEBUG, 1)
 276         test "$GCC" = "yes" && CFLAGS="-pedantic $CFLAGS"
 277 fi
 278
 279 x_strict_rfc_on=no
 280 AC_ARG_ENABLE(strict-rfc,
 281         [  --enable-strict-rfc     strict RFC conformance -- may break clients!],
 282         if test "$enableval" = "yes"; then
 283                 AC_DEFINE(STRICT_RFC, 1)
 284                 x_strict_rfc_on=yes
 285         fi
 286 )
 287
 288 # -- Definitions --
 289
 290 AC_DEFINE_UNQUOTED(TARGET_CPU, "$target_cpu" )
 291 AC_DEFINE_UNQUOTED(TARGET_VENDOR, "$target_vendor" )
 292 AC_DEFINE_UNQUOTED(TARGET_OS, "$target_os" )
 293
 294 # Add additional CFLAGS, eventually specified on the command line, but after
 295 # running this configure script. Useful for "-Werror" for example.
 296 test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
 297
 298 # -- Generate files --
 299
 300 AC_OUTPUT([ \
 301         Makefile \
 302         doc/Makefile \
 303         src/Makefile \
 304         src/portab/Makefile \
 305         src/tool/Makefile \
 306         src/ngircd/Makefile \
 307         src/testsuite/Makefile \
 308         man/Makefile \
 309         contrib/Makefile \
 310         contrib/Debian/Makefile \
 311         contrib/MacOSX/Makefile \
 312 ])
 313
 314 type dpkg >/dev/null 2>&1
 315 if test $? -eq 0; then
 316         # Generate debian/ link if the dpkg command exists
 317         # (read: if we are running on a debian compatible system)
 318         echo "creating Debian-specific links ..."
 319         test -f debian/rules || ln -s contrib/Debian debian
 320 fi
 321
 322 # -- Result --
 323
 324 echo
 325 echo "ngIRCd has been configured with the following options:"
 326 echo
 327
 328 # Someone please show me a better way :)  [borrowed by OpenSSH]
 329 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
 330 S=`eval echo ${sbindir}` ; S=`eval echo ${S}`
 331 C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`
 332 M=`eval echo ${mandir}` ; M=`eval echo ${M}`
 333 D=`eval echo ${datadir}/doc/${PACKAGE}` ; D=`eval echo ${D}`
 334
 335 echo "             Target: ${target}"
 336 test "$target" != "$host" && echo "               Host: ${host}"
 337 echo "           Compiler: ${CC}"
 338 test -n "$CFLAGS"       && echo "     Compiler flags: ${CFLAGS}"
 339 test -n "$CPPFLAGS"     && echo " Preprocessor flags: ${CPPFLAGS}"
 340 test -n "$LDFLAGS"      && echo "       Linker flags: ${LDFLAGS}"
 341 test -n "$LIBS"         && echo "          Libraries: ${LIBS}"
 342 echo
 343 echo "    'ngircd' binary: $S"
 344 echo " Configuration file: $C"
 345 echo "       Manual pages: $M"
 346 echo "      Documentation: $D"
 347 echo
 348
 349 echo $ECHO_N "     Syslog support: $ECHO_C"
 350 test "$x_syslog_on" = "yes" \
 351         && echo $ECHO_N "yes $ECHO_C" \
 352         || echo $ECHO_N "no  $ECHO_C"
 353 echo $ECHO_N "  Enable debug code: $ECHO_C"
 354 test "$x_debug_on" = "yes" \
 355         && echo "yes" \
 356         || echo "no"
 357
 358 echo $ECHO_N "   zlib compression: $ECHO_C"
 359 test "$x_zlib_on" = "yes" \
 360         && echo $ECHO_N "yes $ECHO_C" \
 361         || echo $ECHO_N "no  $ECHO_C"
 362 echo $ECHO_N "        IRC sniffer: $ECHO_C"
 363 test "$x_sniffer_on" = "yes" \
 364         && echo "yes" \
 365         || echo "no"
 366
 367 echo $ECHO_N "   Use TCP Wrappers: $ECHO_C"
 368 test "$x_tcpwrap_on" = "yes" \
 369         && echo $ECHO_N "yes $ECHO_C" \
 370         || echo $ECHO_N "no  $ECHO_C"
 371 echo $ECHO_N "    Strict RFC mode: $ECHO_C"
 372 test "$x_strict_rfc_on" = "yes" \
 373         && echo "yes" \
 374         || echo "no"
 375
 376 echo $ECHO_N " Rendezvous support: $ECHO_C"
 377 test "$x_rendezvous_on" = "osx" -o "$x_rendezvous_on" = "howl" \
 378         && echo $ECHO_N "yes $ECHO_C" \
 379         || echo $ECHO_N "no  $ECHO_C"
 380 echo $ECHO_N "      IRC+ protocol: $ECHO_C"
 381 test "$x_ircplus_on" = "yes" \
 382         && echo "yes" \
 383         || echo "no"
 384
 385 echo $ECHO_N "      IDENT support: $ECHO_C"
 386 test "$x_identauth_on" = "yes" \
 387         && echo $ECHO_N "yes $ECHO_C" \
 388         || echo $ECHO_N "no  $ECHO_C"
 389
 390 echo; echo
 391
 392 # -eof-