configure.ad

   1 #
   2 #  configure.ad
   3 #
   4 #  Author: Pekka Riikonen <priikone@silcnet.org>
   5 #
   6 #  Copyright (C) 2000 - 2005 Pekka Riikonen
   7 #
   8 #  This program is free software; you can redistribute it and/or modify
   9 #  it under the terms of the GNU General Public License as published by
  10 #  the Free Software Foundation; version 2 of the License.
  11 #
  12 #  This program is distributed in the hope that it will be useful,
  13 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #  GNU General Public License for more details.
  16 #
  17
  18 AD_INIT
  19
  20 # Put here any platform specific stuff
  21 #
  22 AC_CANONICAL_SYSTEM
  23 case "$target" in
  24   *-*-freebsd*)
  25     check_threads=true
  26     ;;
  27   *-*-*bsd*)
  28     check_threads=false
  29     ;;
  30   *)
  31     check_threads=true
  32     ;;
  33 esac
  34
  35 AM_INIT_AUTOMAKE
  36 AC_PREREQ(2.52)
  37 AC_CONFIG_HEADERS(includes/silcdefs.h)
  38
  39 CFLAGS=
  40 AC_PROG_CC
  41 AC_C_INLINE
  42 AC_C_CONST
  43
  44 AC_PROG_LN_S
  45 AC_SUBST(LN_S)
  46
  47 __SILC_HAVE_PTHREAD=""
  48 __SILC_HAVE_SIM=""
  49 __SILC_ENABLE_DEBUG=""
  50
  51 #
  52 # Program checking
  53 #
  54 AC_PROG_INSTALL
  55 AC_PROG_RANLIB
  56 AC_PROG_MAKE_SET
  57 AC_DISABLE_SHARED
  58 AC_PROG_LIBTOOL
  59 AC_PATH_PROG(sedpath, sed)
  60
  61 # Header checking
  62 #
  63 AC_HEADER_STDC
  64 AC_HEADER_TIME
  65 AC_HEADER_STAT
  66
  67 # More header checking
  68 #
  69 AC_CHECK_HEADERS(unistd.h string.h getopt.h errno.h fcntl.h assert.h)
  70 AC_CHECK_HEADERS(sys/types.h sys/stat.h sys/time.h stddef.h)
  71 AC_CHECK_HEADERS(netinet/in.h netinet/tcp.h xti.h netdb.h sys/resource.h)
  72 AC_CHECK_HEADERS(pwd.h grp.h termcap.h paths.h)
  73 AC_CHECK_HEADERS(ncurses.h signal.h ctype.h utime.h)
  74 AC_CHECK_HEADERS(arpa/inet.h sys/mman.h limits.h termios.h locale.h langinfo.h)
  75
  76 # Data type checking
  77 #
  78 AC_TYPE_SIGNAL
  79 AC_TYPE_SIZE_T
  80 AC_TYPE_MODE_T
  81 AC_TYPE_UID_T
  82 AC_TYPE_PID_T
  83
  84 AC_CHECK_SIZEOF(long long, 0)
  85 AC_SUBST(SILC_SIZEOF_LONG_LONG, $ac_cv_sizeof_long_long)
  86 AC_CHECK_SIZEOF(long, 0)
  87 AC_SUBST(SILC_SIZEOF_LONG, $ac_cv_sizeof_long)
  88 AC_CHECK_SIZEOF(int, 0)
  89 AC_SUBST(SILC_SIZEOF_INT, $ac_cv_sizeof_int)
  90 AC_CHECK_SIZEOF(short, 0)
  91 AC_SUBST(SILC_SIZEOF_SHORT, $ac_cv_sizeof_short)
  92 AC_CHECK_SIZEOF(char, 0)
  93 AC_SUBST(SILC_SIZEOF_CHAR, $ac_cv_sizeof_char)
  94 AC_CHECK_SIZEOF(void *, 0)
  95 AC_SUBST(SILC_SIZEOF_VOID_P, $ac_cv_sizeof_void_p)
  96
  97 # Function and library checking
  98 #
  99 AC_CHECK_FUNC(gethostbyname, [],
 100   [
 101     AC_CHECK_LIB(nsl, gethostbyname, LIBS="$LIBS -lnsl")
 102     AC_CHECK_FUNC(res_gethostbyname, [],
 103        AC_CHECK_LIB(resolv, res_gethostbyname, LIBS="$LIBS -lresolv")
 104     )
 105   ])
 106 AC_CHECK_FUNC(socket, [],
 107   AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 108 )
 109 AC_CHECK_FUNCS(gethostname gethostbyaddr getservbyname getservbyport)
 110 AC_CHECK_FUNCS(select listen bind shutdown close connect setsockopt)
 111 AC_CHECK_FUNCS(time ctime utime gettimeofday getrusage)
 112 AC_CHECK_FUNCS(chmod fcntl stat fstat getenv putenv strerror)
 113 AC_CHECK_FUNCS(getpid getgid getsid getpgid getpgrp getuid)
 114 AC_CHECK_FUNCS(setgroups initgroups nl_langinfo)
 115 AC_CHECK_FUNCS(strchr strstr strcpy strncpy memcpy memset memmove)
 116
 117 # SIM support checking
 118 # XXX These needs to be changed as more supported platforms appear.
 119 # XXX This probably needs to be made platform dependant check.
 120 #
 121 sim_support=false
 122 AC_MSG_CHECKING(for SIM support)
 123 AC_MSG_RESULT()
 124 AC_CHECK_HEADERS(dlfcn.h,
 125   [
 126     AC_CHECK_LIB(dl, dlopen,
 127       [
 128         AC_DEFINE([SILC_SIM], [], [HAVE_SIM])
 129         sim_support=true
 130         LIBS="$LIBS -ldl"
 131       ],
 132       [
 133         AC_CHECK_LIB(c, dlopen,
 134           [
 135             AC_DEFINE([SILC_SIM], [], [HAVE_SIM])
 136             sim_support=true
 137           ])
 138       ])
 139    ])
 140
 141 AM_CONDITIONAL(SILC_SIM, test x$sim_support = xtrue)
 142 if test x$sim_support = xtrue; then
 143   AC_MSG_RESULT(Enabled SIM support.)
 144   __SILC_HAVE_SIM="#define __SILC_HAVE_SIM 1"
 145 else
 146   AC_MSG_RESULT(No SIM support found.)
 147 fi
 148
 149 # lib/contrib conditionals
 150 #
 151 AC_CHECK_HEADER(regex.h,
 152   [
 153     AC_DEFINE([HAVE_REGEX], [], [HAVE_REGEX])
 154     have_regex=1
 155   ], have_regex=0
 156 )
 157 AM_CONDITIONAL(HAVE_REGEX, test x$have_regex = x1)
 158
 159 AC_CHECK_FUNC(getopt_long,
 160   [
 161     AC_DEFINE([HAVE_GETOPT_LONG], [], [HAVE_GETOPT_LONG])
 162     have_getopt_long=1
 163   ], have_getopt_long=0
 164 )
 165 AM_CONDITIONAL(HAVE_GETOPT_LONG, test x$have_getopt_long = x1)
 166
 167 ##
 168 ##  Enable/disable checking
 169 ##
 170
 171 # IPv6 support
 172 #
 173 AC_MSG_CHECKING(whether to enable IPv6 support)
 174 AC_ARG_ENABLE(ipv6,
 175   [  --enable-ipv6           enable IPv6 support],
 176   [
 177     case "${enableval}" in
 178       yes)
 179         want_ipv6=true
 180         check_ipv6=false
 181         summary_ipv6="yes"
 182         AC_DEFINE([HAVE_IPV6], [], [HAVE_IPV6])
 183         AC_MSG_RESULT(yes)
 184         ;;
 185       *)
 186         want_ipv6=false
 187         check_ipv6=false
 188         summary_ipv6="no"
 189         AC_MSG_RESULT(no)
 190         ;;
 191     esac
 192   ],
 193     check_ipv6=true
 194   )
 195
 196 if test x$check_ipv6 = xtrue; then
 197   summary_ipv6="no"
 198   AC_TRY_COMPILE(
 199     [
 200       #ifdef HAVE_SYS_TYPES_H
 201       #include <sys/types.h>
 202       #endif
 203       #ifdef HAVE_NETINET_TCP_H
 204       #include <netinet/tcp.h>
 205       #endif
 206       #ifdef HAVE_NETDB_H
 207       #include <netdb.h>
 208       #endif
 209       #include <sys/socket.h>
 210       #ifdef HAVE_NETINET_IN_H
 211       #include <netinet/in.h>
 212       #endif
 213     ],
 214     [
 215       struct sockaddr_in6 sin6;
 216       int family = AF_INET6;
 217     ],
 218     [
 219       AC_DEFINE([HAVE_IPV6], [], [HAVE_IPV6])
 220       AC_MSG_RESULT(yes)
 221       summary_ipv6="yes"
 222     ],
 223       AC_MSG_RESULT(no)
 224     )
 225 fi
 226
 227 # Debug checking
 228 #
 229 AC_MSG_CHECKING(whether to enable debugging)
 230 summary_debug="no"
 231 __SILC_ENABLE_DEBUG=""
 232 AC_ARG_ENABLE(debug,
 233   [  --enable-debug          enable debugging],
 234   [
 235     case "${enableval}" in
 236       yes)
 237         AC_MSG_RESULT(yes)
 238         AC_DEFINE([SILC_DEBUG], [], [enable-debug])
 239         summary_debug="yes"
 240         __SILC_ENABLE_DEBUG="#define __SILC_ENABLE_DEBUG 1"
 241         ;;
 242       *)
 243         AC_MSG_RESULT(no)
 244         ;;
 245     esac
 246   ],
 247   [
 248     AC_MSG_RESULT(no)
 249   ])
 250
 251 # Disable all assembler optimizations
 252 #
 253 AC_MSG_CHECKING(whether to enable assembler optimizations)
 254 want_asm=true
 255 AC_ARG_ENABLE(asm,
 256   [  --disable-asm           do not use assembler optimizations],
 257   [
 258     AC_MSG_RESULT(no)
 259     want_asm=false
 260   ],
 261   [
 262     AC_MSG_RESULT(yes)
 263     want_asm=true
 264   ])
 265
 266
 267 ##
 268 ## Compiler and compiler flag checks
 269 ##
 270
 271 # Function to check if compiler flag works
 272 # Usage: SILC_ADD_CFLAGS(FLAGS, [ACTION-IF-FAILED])
 273 AC_DEFUN([SILC_ADD_CFLAGS],
 274 [ tmp_CFLAGS="$CFLAGS"
 275   CFLAGS="$CFLAGS $1"
 276   AC_MSG_CHECKING(whether $CC accepts $1 flag)
 277   AC_TRY_LINK([], [], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
 278                                        CFLAGS="$tmp_CFLAGS"
 279                                        $2])
 280   unset tmp_CFLAGS
 281 ])
 282
 283 if test "$GCC"; then
 284   # GCC specific options
 285   if test "x$summary_debug" = "xyes"; then
 286     SILC_ADD_CFLAGS(-g -O)
 287   else
 288     SILC_ADD_CFLAGS(-g -O2)
 289   fi
 290   SILC_ADD_CFLAGS(-Wall -finline-functions)
 291 else
 292   # Other compilers
 293   case "$target" in
 294     alpha*-dec-osf*)
 295       SILC_ADD_CFLAGS(-g3 -O2, SILC_ADD_CFLAGS(-g3 -O, SILC_ADD_CFLAGS(-O)))
 296       ;;
 297     *)
 298       SILC_ADD_CFLAGS(-g)
 299       SILC_ADD_CFLAGS(-O2, SILC_ADD_CFLAGS(-O))
 300       ;;
 301   esac
 302
 303   # Intel C++ Compiler needs -restrict
 304   if test "x$CC" = "xicc"; then
 305     SILC_ADD_CFLAGS(-restrict)
 306   fi
 307 fi
 308
 309 #
 310 # Workaround a bug in GCC 2.x which causes memory exhaustion
 311 # when compiling sha1 with optimizations on UltraSPARC.
 312 #
 313 FIX_SHA1='#'
 314 if test "$GCC" -a "$host_cpu" = "sparc64"; then
 315   AC_MSG_CHECKING(whether to enable GCC 2.x workaround for SHA1)
 316   AC_TRY_COMPILE(
 317     [
 318       #if defined(__sparc64__) && (__GNUC__ == 2)
 319       #else
 320       choke me
 321       #endif
 322     ],
 323     [],
 324     [
 325       FIX_SHA1=''
 326       AC_MSG_RESULT(yes)
 327     ],
 328       AC_MSG_RESULT(no)
 329     )
 330 fi
 331 AC_SUBST(FIX_SHA1)
 332
 333 ##
 334 ##  Installation
 335 ##
 336
 337 # Default installation destination
 338 #
 339 AC_PREFIX_DEFAULT(/usr/local/silc)
 340 if test "x$prefix" != xNONE; then
 341   silc_prefix="$prefix"
 342 else
 343   silc_prefix="$ac_default_prefix"
 344 fi
 345
 346 # etc directory
 347 #
 348 if test "x$sysconfdir" != 'x${prefix}/etc'; then
 349   ETCDIR="$sysconfdir"
 350 else
 351   ETCDIR="$silc_prefix/etc"
 352 fi
 353
 354 AC_ARG_WITH(etcdir,
 355   [[  --with-etcdir=DIR       directory for system files [/etc/silc]]],
 356   [
 357     case "$withval" in
 358       no|yes)
 359         ;;
 360       *)
 361         ETCDIR="$withval"
 362         ;;
 363     esac
 364   ])
 365 AC_SUBST(ETCDIR)
 366 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
 367
 368 # help directory
 369 #
 370 HELPDIR="$silc_prefix/help"
 371 AC_ARG_WITH(helpdir,
 372   [[  --with-helpdir=DIR      directory for SILC help files [PREFIX/help]]],
 373   [
 374     case "$withval" in
 375       no|yes)
 376         ;;
 377       *)
 378        HELPDIR="$withval"
 379        ;;
 380     esac
 381   ])
 382 AC_SUBST(HELPDIR)
 383 AC_DEFINE_UNQUOTED([SILC_HELPDIR], "$HELPDIR", [SILC_HELPDIR])
 384
 385 # doc directory
 386 #
 387 DOCDIR="$silc_prefix/doc"
 388 AC_ARG_WITH(docdir,
 389   [[  --with-docdir=DIR       directory for SILC documentation [PREFIX/doc]]],
 390   [
 391     case "$withval" in
 392       no|yes)
 393         ;;
 394       *)
 395         DOCDIR="$withval"
 396         ;;
 397     esac
 398   ])
 399 AC_SUBST(DOCDIR)
 400 AC_DEFINE_UNQUOTED([SILC_DOCDIR], "$DOCDIR", [SILC_DOCDIR])
 401
 402 # SIM modules directory
 403 #
 404 MODULESDIR="$silc_prefix/modules"
 405 AC_ARG_WITH(simdir,
 406   [[  --with-simdir=DIR       directory for SIM modules [PREFIX/modules]]],
 407   [
 408     case "$withval" in
 409       no|yes)
 410         ;;
 411       *)
 412         MODULESDIR="$withval"
 413         ;;
 414     esac
 415   ])
 416 AC_SUBST(MODULESDIR)
 417 AC_DEFINE_UNQUOTED([SILC_MODULESDIR], "$MODULESDIR", [SILC_MODULESDIR])
 418
 419 #ifdef SILC_DIST_SERVER
 420
 421 # Logs directory
 422 #
 423 LOGSDIR="$silc_prefix/logs"
 424 AC_ARG_WITH(logsdir,
 425   [[  --with-logsdir=DIR      directory for SILC Server logs [PREFIX/logs]]],
 426   [
 427     case "$withval" in
 428       no|yes)
 429         ;;
 430       *)
 431         LOGSDIR="$withval"
 432         ;;
 433     esac
 434   ])
 435 AC_SUBST(LOGSDIR)
 436 AC_DEFINE_UNQUOTED([SILC_LOGSDIR], "$LOGSDIR", [SILC_LOGSDIR])
 437
 438 # silcd config file checking
 439 #
 440 summary_silcd_configfile="/etc/silc/silcd.conf"
 441 AC_ARG_WITH(silcd-config-file,
 442   [[  --with-silcd-config-file=FILE  use FILE as default configuration file
 443                                  for SILC Server [/etc/silc/silcd.conf]]],
 444     AC_DEFINE_UNQUOTED([SILC_SERVER_CONFIG_FILE], "$withval", [SILC_SERVER_CONFIG_FILE])
 445     summary_silcd_configfile="$withval"
 446   )
 447
 448 # silcd pid file checking
 449 #
 450 if test "x$localstatedir" != 'x${prefix}/var'; then
 451   PIDFILE="$localstatedir/silcd.pid"
 452 else
 453   PIDFILE="$silc_prefix/var/silcd.pid"
 454 fi
 455
 456 AC_ARG_WITH(silcd-pid-file,
 457   [[  --with-silcd-pid-file=FILE     use FILE as default pid file for SILC
 458                                  Server [/var/run/silcd.pid]]],
 459   [
 460     case "$withval" in
 461       no|yes)
 462         ;;
 463       *)
 464         PIDFILE="$withval"
 465         ;;
 466     esac
 467   ])
 468 AC_SUBST(PIDFILE)
 469 #endif SILC_DIST_SERVER
 470
 471 ##
 472 ##  With/without checkings
 473 ##
 474
 475 #
 476 # SILC library checking
 477 compile_libs=true
 478
 479 #ifndef SILC_DIST_TOOLKIT
 480
 481 AC_ARG_WITH(silc-includes,
 482   [  --with-silc-includes=DIR SILC Toolkit includes [search in DIR]],
 483   [ac_silc_includes="$withval"], [ac_silc_includes="no"])
 484 AC_ARG_WITH(silc-libs,
 485   [  --with-silc-libs=DIR     SILC Toolkit libraries [search in DIR]],
 486   [ac_silc_libs="$withval"], [ac_silc_libs="no"])
 487
 488 #
 489 # XXX missing checking the __SILC_WITH_XXX defines from the provided libs
 490 # in order to determine correct libs to link.
 491
 492 #
 493 # XXX missing pkg-config check.
 494
 495 if test "$ac_silc_includes" != "no"; then
 496   compile_libs=false
 497   SILC_LIB_INCLUDES="-I$ac_silc_includes"
 498 fi
 499 if test "$ac_silc_libs" != "no"; then
 500   compile_libs=false
 501   LIBS="$LIBS -L$ac_silc_libs"
 502 fi
 503
 504 #endif SILC_DIST_TOOLKIT
 505
 506
 507 # SOCKS4 support checking
 508 #
 509 SAVE_LIBS="$LIBS"
 510 SAVE_CFLAGS="$CFLAGS"
 511 SAVE_LDFLAGS="$LDFLAGS"
 512 AC_MSG_CHECKING(whether to support SOCKS4)
 513 AC_ARG_WITH(socks4,
 514   [[  --with-socks4[=DIR]     with SOCKS4 support [search in DIR/lib and DIR/include]]],
 515   [
 516     case "$withval" in
 517       no)
 518         AC_MSG_RESULT(no)
 519         ;;
 520       *)
 521         AC_MSG_RESULT(yes)
 522         socks=4
 523
 524         if test -d "$withval/include"; then
 525           CFLAGS="$CFLAGS -I$withval/include"
 526         fi
 527         if test -d "$withval/lib"; then
 528           LDFLAGS="$LDFLAGS -L$withval/lib"
 529         fi
 530
 531         LIBS="-lsocks $LIBS"
 532         ;;
 533     esac
 534
 535     AC_TRY_LINK([],
 536       [
 537         Rconnect();
 538       ], [],
 539       [
 540         AC_MSG_ERROR(Could not find SOCKS4 library.)
 541         LIBS="$SAVE_LIBS"
 542         CFLAGS="$SAVE_CFLAGS"
 543         LDFLAGS="$SAVE_LDFLAGS"
 544       ])
 545   ],
 546     AC_MSG_RESULT(no)
 547   )
 548
 549 # SOCKS5 support checking
 550 #
 551 SAVE_LIBS="$LIBS"
 552 SAVE_CFLAGS="$CFLAGS"
 553 SAVE_LDFLAGS="$LDFLAGS"
 554 AC_MSG_CHECKING(whether to support SOCKS5)
 555 AC_ARG_WITH(socks5,
 556   [[  --with-socks5[=DIR]     with SOCKS5 support [search in DIR/lib and DIR/include]]],
 557   [
 558     case "$withval" in
 559       no)
 560         AC_MSG_RESULT(no)
 561         ;;
 562       *)
 563         AC_MSG_RESULT(yes)
 564         socks=5
 565
 566         if test -d "$withval/include"; then
 567           CFLAGS="$CFLAGS -I$withval/include"
 568         fi
 569         if test -d "$withval/lib"; then
 570           LDFLAGS="$LDFLAGS -L$withval/lib"
 571         fi
 572
 573         LIBS="-lsocks5 $LIBS"
 574         ;;
 575     esac
 576
 577     AC_TRY_LINK([],
 578       [
 579         SOCKSconnect();
 580       ], [],
 581       [
 582         AC_MSG_ERROR(Could not find SOCKS5 library.)
 583         LIBS="$SAVE_LIBS"
 584         CFLAGS="$SAVE_CFLAGS"
 585         LDFLAGS="$SAVE_LDFLAGS"
 586       ])
 587   ],
 588     AC_MSG_RESULT(no)
 589   )
 590
 591 if test "x$socks" = "x4"; then
 592   AC_DEFINE([SOCKS], [], [Socks])
 593   CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
 594 fi
 595
 596 if test "x$socks" = "x5"; then
 597   AC_DEFINE([SOCKS], [], [Socks])
 598   AC_DEFINE([SOCKS5], [], [Socks5])
 599   AC_DEFINE([Rconnect], [SOCKSconnect], [Socks])
 600   AC_DEFINE([Rgetsockname], [SOCKSgetsockname], [Socks])
 601   AC_DEFINE([Rgetpeername], [SOCKSgetpeername], [Socks])
 602   AC_DEFINE([Rbind], [SOCKSbind], [Socks])
 603   AC_DEFINE([Raccept], [SOCKSaccept], [Socks])
 604   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 605   AC_DEFINE([Rselect], [SOCKSselect], [Socks])
 606   AC_DEFINE([Rrecvfrom], [SOCKSrecvfrom], [Socks])
 607   AC_DEFINE([Rsendto], [SOCKSsendto], [Socks])
 608   AC_DEFINE([Rrecv], [SOCKSrecv], [Socks])
 609   AC_DEFINE([Rsend], [SOCKSsend], [Socks])
 610   AC_DEFINE([Rread], [SOCKSread], [Socks])
 611   AC_DEFINE([Rwrite], [SOCKSwrite], [Socks])
 612   AC_DEFINE([Rrresvport], [SOCKSrresvport], [Socks])
 613   AC_DEFINE([Rshutdown], [SOCKSshutdown], [Socks])
 614   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 615   AC_DEFINE([Rclose], [SOCKSclose], [Socks])
 616   AC_DEFINE([Rdup], [SOCKSdup], [Socks])
 617   AC_DEFINE([Rdup2], [SOCKSdup2], [Socks])
 618   AC_DEFINE([Rfclose], [SOCKSfclose], [Socks])
 619   AC_DEFINE([Rgethostbyname], [SOCKSgethostbyname], [Socks])
 620 fi
 621
 622 # MP library checking. First check whether user wants to use GMP and use
 623 # it if found. If not or not defined then compile the MPI library in the
 624 # source tree.
 625 #
 626 mp_gmp=false
 627 SAVE_LIBS="$LIBS"
 628 SAVE_CFLAGS="$CFLAGS"
 629 SAVE_LDFLAGS="$LDFLAGS"
 630 AC_MSG_CHECKING(whether to search for GMP)
 631 AC_ARG_WITH(gmp,
 632   [[  --with-gmp[=DIR]        use GMP instead of MPI [search in DIR/lib and DIR/include]]],
 633   [
 634     case "$withval" in
 635       no)
 636         AC_MSG_RESULT(no)
 637         ;;
 638       *)
 639         AC_MSG_RESULT(yes)
 640
 641         if test -d "$withval/include"; then
 642           CFLAGS="$CFLAGS -I$withval/include"
 643         fi
 644         if test -d "$withval/lib"; then
 645           LDFLAGS="$LDFLAGS -L$withval/lib"
 646         fi
 647
 648         LIBS="-lgmp $LIBS"
 649         ;;
 650     esac
 651
 652     AC_CHECK_LIB(gmp, __gmpz_init,
 653       [
 654         mp_gmp=true
 655         AC_DEFINE([SILC_MP_GMP], [], [GMP])
 656         AC_MSG_RESULT(Using GMP as a MP library.)
 657       ],
 658       [
 659         LIBS="$SAVE_LIBS"
 660         CFLAGS="$SAVE_CFLAGS"
 661         LDFLAGS="$SAVE_LDFLAGS"
 662       ])
 663   ],
 664     AC_MSG_RESULT(no)
 665   )
 666
 667 AM_CONDITIONAL(SILC_MP_GMP, test x$mp_gmp = xtrue)
 668 AM_CONDITIONAL(SILC_MP_NSS_MPI, test x$mp_gmp = xfalse)
 669 if test x$mp_gmp = xfalse; then
 670   AC_DEFINE([SILC_MP_NSS_MPI], [], [MPI])
 671   AC_MSG_RESULT(Using NSS MPI as a MP library.)
 672 fi
 673
 674
 675 # iconv support
 676 #
 677 check_iconv=true
 678 has_iconv=false
 679 SAVE_LIBS="$LIBS"
 680 SAVE_CFLAGS="$CFLAGS"
 681 SAVE_LDFLAGS="$LDFLAGS"
 682 SAVE_CPPFLAGS="$CPPFLAGS"
 683 AC_MSG_CHECKING(whether to implicit search for libiconv)
 684 AC_ARG_WITH(iconv,
 685   [[  --with-iconv[=DIR]      use libiconv [search in DIR/include and DIR/lib]]],
 686   [
 687     case "${withval}" in
 688       no)
 689         AC_MSG_RESULT(no)
 690         AC_CHECK_HEADERS(iconv.h,
 691           [
 692             AC_CHECK_FUNC(iconv, has_iconv=true)
 693           ])
 694         check_iconv=false
 695         ;;
 696       *)
 697         AC_MSG_RESULT(yes)
 698         if test -d $withval/include; then
 699           CPPFLAGS="$CPPFLAGS -I$withval/include"
 700           CFLAGS="$CFLAGS -I$withval/include"
 701         fi
 702         if test -d $withval/lib; then
 703           LDFLAGS="$LDFLAGS -L$withval/lib"
 704         fi
 705         ;;
 706     esac
 707   ],
 708   [
 709     AC_MSG_RESULT(no)
 710     AC_CHECK_HEADERS(iconv.h,
 711       [
 712         AC_CHECK_FUNCS(iconv,
 713           [
 714             has_iconv=true
 715             check_iconv=false
 716           ])
 717       ])
 718   ])
 719
 720 if test x$check_iconv = xtrue; then
 721   AC_MSG_RESULT(Searching for iconv...)
 722
 723   # XXX
 724   unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 725
 726   AC_CHECK_HEADERS(iconv.h,
 727     [
 728       LIBS="$LIBS -liconv"
 729       AC_MSG_CHECKING(for iconv in -liconv)
 730       AC_TRY_LINK(
 731         [
 732           #include <stdlib.h>
 733           #include <iconv.h>
 734         ],
 735         [
 736           iconv_t cd = iconv_open("", "");
 737           iconv(cd, NULL, NULL, NULL, NULL);
 738           iconv_close(cd);
 739         ],
 740         [
 741           echo "yes"
 742           AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 743           has_iconv=true
 744           check_iconv=false
 745         ],
 746         [
 747           echo "no"
 748           LIBS="$SAVE_LIBS"
 749           CFLAGS="$SAVE_CFLAGS"
 750           LDFLAGS="$SAVE_LDFLAGS"
 751           CPPFLAGS="$SAVE_CPPFLAGS"
 752         ])
 753      ])
 754 fi
 755
 756 if test x$check_iconv = xtrue; then
 757   # search for iconv library..
 758   SAVE_LIBS="$LIBS"
 759   SAVE_CFLAGS="$CFLAGS"
 760   SAVE_LDFLAGS="$LDFLAGS"
 761   SAVE_CPPFLAGS="$CPPFLAGS"
 762
 763   for dir in `echo "/usr/local /usr/pkg /usr/contrib"`; do
 764     if test x$has_iconv = xfalse; then
 765       AC_MSG_RESULT(searching in $dir...)
 766
 767       if test -d $dir/include; then
 768         CPPFLAGS="$CPPFLAGS -I$dir/include"
 769         CFLAGS="$CFLAGS -I$dir/include"
 770       fi
 771       if test -d $dir/lib; then
 772         LDFLAGS="$LDFLAGS -L$dir/lib"
 773       fi
 774
 775       # XXX
 776       unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 777
 778       AC_CHECK_HEADERS(iconv.h,
 779         [
 780           LIBS="$LIBS -liconv"
 781           AC_MSG_CHECKING(for iconv in -liconv)
 782           AC_TRY_LINK(
 783             [
 784               #include <stdlib.h>
 785               #include <iconv.h>
 786             ],
 787             [
 788               iconv_t cd = iconv_open("", "");
 789               iconv(cd, NULL, NULL, NULL, NULL);
 790               iconv_close(cd);
 791             ],
 792             [
 793               echo "yes"
 794               has_iconv=true
 795               AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 796             ],
 797             [
 798               echo "no"
 799               has_iconv=false
 800
 801               LIBS="$SAVE_LIBS"
 802               CFLAGS="$SAVE_CFLAGS"
 803               LDFLAGS="$SAVE_LDFLAGS"
 804               CPPFLAGS="$SAVE_CPPFLAGS"
 805             ])
 806          ],
 807          [
 808            CFLAGS="$SAVE_CFLAGS"
 809            LDFLAGS="$SAVE_LDFLAGS"
 810            CPPFLAGS="$SAVE_CPPFLAGS"
 811          ])
 812       fi
 813     done
 814 fi
 815
 816 if test x$has_iconv = xtrue; then
 817   # (1) Some implementations of iconv won't convert from UTF-8 to UTF-8.
 818   # (2) In glibc-2.1.2 and earlier there is a bug that messes up ob and
 819   #     obl when args 2 and 3 are 0 (fixed in glibc-2.1.3).
 820   #
 821   AC_CACHE_CHECK([whether this iconv is good enough], ac_iconv_good,
 822     AC_TRY_RUN(
 823       [
 824         #include <iconv.h>
 825         int main() {
 826           iconv_t cd;
 827         changequote(, )dnl
 828           char buf[4];
 829         changequote([, ])dnl
 830           char *ob;
 831           size_t obl;
 832           ob = buf, obl = sizeof(buf);
 833           return ((cd = iconv_open("UTF-8", "UTF-8")) != (iconv_t)(-1) &&
 834                  (iconv(cd, 0, 0, &ob, &obl) ||
 835                  !(ob == buf && obl == sizeof(buf)) ||
 836                  iconv_close(cd)));
 837         }
 838       ],
 839       [
 840         ac_iconv_good=yes
 841       ],
 842       [
 843         ac_iconv_good=no
 844       ],
 845       [
 846         ac_iconv_good=yes
 847       ])
 848     )
 849
 850   if test x$ac_iconv_good = xno; then
 851     AC_MSG_RESULT(Try using libiconv instead.)
 852   fi
 853 fi
 854
 855
 856 # POSIX threads support
 857 #
 858 has_threads=false
 859 AC_MSG_CHECKING(whether to search for POSIX threads)
 860 AC_ARG_WITH(pthreads,
 861   [[  --with-pthreads[=DIR]   use POSIX threads [search in DIR/include and DIR/lib]]],
 862   [
 863     case "${withval}" in
 864       no)
 865         check_threads=false
 866         ;;
 867       *)
 868         if test -d $withval/include; then
 869           CPPFLAGS="$CPPFLAGS -I$withval/include"
 870           CFLAGS="$CFLAGS -I$withval/include"
 871         fi
 872         if test -d $withval/lib; then
 873           LDFLAGS="$LDFLAGS -L$withval/lib"
 874         fi
 875
 876         check_threads=true
 877         ;;
 878     esac
 879   ])
 880
 881 if test x$check_threads = xtrue; then
 882   SAVE_LIBS="$LIBS"
 883   SAVE_CFLAGS="$CFLAGS"
 884   SAVE_LDFLAGS="$LDFLAGS"
 885   SAVE_CPPFLAGS="$CPPFLAGS"
 886
 887   AC_MSG_RESULT(yes)
 888   AC_CHECK_HEADERS(pthread.h,
 889     [
 890       LIBS="$LIBS -lpthread"
 891       AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 892         [
 893           # FreeBSD
 894           case "${target}" in
 895             *-*-freebsd*)
 896               LIBS="$SAVE_LIBS -pthread"
 897               AC_CHECK_LIB(c_r, pthread_attr_init, has_threads=true, LIBS="$SAVE_LIBS")
 898               ;;
 899             *)
 900               LIBS="$SAVE_LIBS"
 901               ;;
 902           esac
 903         ])
 904     ],
 905     [
 906       # search for pthread library..
 907       for dir in `echo "/usr/local /usr/pkg /usr/contrib /usr/pkg/pthreads /usr/local/pthreads"`; do
 908         if test x$has_threads = xfalse; then
 909           AC_MSG_RESULT(searching in $dir...)
 910
 911           if test -d $dir/include; then
 912             CPPFLAGS="$CPPFLAGS -I$dir/include"
 913             CFLAGS="$CFLAGS -I$dir/include"
 914           fi
 915           if test -d $dir/lib; then
 916             LDFLAGS="$LDFLAGS -L$dir/lib"
 917           fi
 918
 919           # XXX
 920           unset ac_cv_header__pthread_h_ ac_cv_header_pthread_h || true
 921
 922           AC_CHECK_HEADERS(pthread.h,
 923             [
 924               LIBS="$LIBS -lpthread"
 925               AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 926                 [
 927                   has_threads=false
 928
 929                   LIBS="$SAVE_LIBS"
 930                   CFLAGS="$SAVE_CFLAGS"
 931                   LDFLAGS="$SAVE_LDFLAGS"
 932                   CPPFLAGS="$SAVE_CPPFLAGS"
 933                 ])
 934             ],
 935             [
 936               CFLAGS="$SAVE_CFLAGS"
 937               LDFLAGS="$SAVE_LDFLAGS"
 938               CPPFLAGS="$SAVE_CPPFLAGS"
 939             ])
 940         fi
 941       done
 942     ])
 943 else
 944   AC_MSG_RESULT(no)
 945   has_threads=false
 946 fi
 947
 948 __SILC_HAVE_PTHREAD=""
 949 AM_CONDITIONAL(SILC_THREADS, test x$has_threads = xtrue)
 950 if test x$has_threads = xtrue; then
 951   CFLAGS="$CFLAGS -D_REENTRANT"
 952
 953   # XXX possibly incomplete
 954   case "${target}" in
 955     *-*-aix*)
 956       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 957       if test x"$GCC" = xyes; then
 958         CFLAGS="$CFLAGS -mthreads"
 959       fi
 960       ;;
 961     *-*-freebsd*)
 962       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 963       ;;
 964     *-*-sysv5uw7*)  # UnixWare 7
 965       if test "$GCC" != "yes"; then
 966         CFLAGS="$CFLAGS -Kthread"
 967       else
 968         CFLAGS="$CFLAGS -pthread"
 969       fi
 970       ;;
 971     *-dg-dgux*)  # DG/UX
 972       CFLAGS="$CFLAGS -D_POSIX4A_DRAFT10_SOURCE"
 973       ;;
 974    esac
 975
 976   AC_CHECK_FUNC(pthread_create)
 977   AC_DEFINE([SILC_HAVE_PTHREAD], [], [HAVE_PTHREAD])
 978   AC_DEFINE([SILC_THREADS], [], [HAVE_THREAD])
 979   __SILC_HAVE_PTHREAD="#define __SILC_HAVE_PTHREAD 1"
 980 fi
 981
 982 # Native WIN32 compilation under cygwin
 983 #
 984 AC_MSG_CHECKING(whether to compile native WIN32 code)
 985 AC_ARG_WITH(win32,
 986   [  --with-win32            compile native WIN32 (MinGW) code (-mno-cygwin)],
 987   [
 988     AC_MSG_RESULT(yes)
 989     AC_DEFINE([SILC_WIN32], [], [SILC_WIN32])
 990     win32_support=true
 991     CFLAGS="-mno-cygwin $CFLAGS"
 992     LIBS="$LIBS -lwsock32"
 993   ],
 994   [
 995     AC_MSG_RESULT(no)
 996   ])
 997 AM_CONDITIONAL(SILC_WIN32, test x$win32_support = xtrue)
 998
 999 # Native EPOC support (disabled by default)
1000 #
1001 AM_CONDITIONAL(SILC_EPOC, test xfalse = xtrue)
1002
1003 # Native BeOS support (disabled by default)
1004 #
1005 AM_CONDITIONAL(SILC_BEOS, test xfalse = xtrue)
1006
1007 # Native OS2 support (disabled by default)
1008 #
1009 AM_CONDITIONAL(SILC_OS2, test xfalse = xtrue)
1010
1011 #ifdef SILC_DIST_TOOLKIT
1012
1013 # --without-irssi
1014 #
1015 without_irssi=false
1016 AC_MSG_CHECKING(whether to compile Irssi SILC Client)
1017 AC_ARG_WITH(irssi,
1018   [  --without-irssi         compile without Irssi SILC Client],
1019   [
1020     AC_MSG_RESULT(no)
1021     without_irssi=true
1022   ],
1023   [
1024     AC_MSG_RESULT(yes)
1025   ])
1026
1027 # --without-silcd
1028 #
1029 without_silcd=false
1030 AC_MSG_CHECKING(whether to compile SILC Server)
1031 AC_ARG_WITH(silcd,
1032   [  --without-silcd         compile without SILC Server],
1033   [
1034     AC_MSG_RESULT(no)
1035     without_silcd=true
1036   ],
1037   [
1038     AC_MSG_RESULT(yes)
1039   ])
1040
1041 #endif SILC_DIST_TOOLKIT
1042
1043 #ifdef SILC_DIST_CLIENT
1044 # Irssi perl support
1045 #
1046 AC_ARG_WITH(perl,
1047   [[  --with-perl[=yes|no|module]  Build with Perl support - also specifies
1048                                if it should be built into main silc binary
1049                                (static, default) or as a module]])
1050 #endif SILC_DIST_CLIENT
1051
1052 libtoolfix=true
1053 AC_MSG_CHECKING(whether to do libtoolfix)
1054 AC_ARG_WITH(libtoolfix,
1055   [  --without-libtoolfix    Do not fix libtool, for package builders],
1056   [
1057     AC_MSG_RESULT(no)
1058     libtoolfix=false
1059   ],
1060   [
1061     AC_MSG_RESULT(yes)
1062   ])
1063
1064 AC_SUBST(ETCDIR)
1065 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
1066
1067 ##
1068 ##  Misc
1069 ##
1070
1071 # Other configure scripts
1072 #
1073
1074 #ifdef SILC_DIST_TOOLKIT
1075 if test x$without_irssi = xfalse; then
1076 #endif SILC_DIST_TOOLKIT
1077 #ifdef SILC_DIST_CLIENT
1078   AC_CONFIG_SUBDIRS(irssi)
1079   irssi="yes"
1080 #endif SILC_DIST_CLIENT
1081 #ifdef SILC_DIST_TOOLKIT
1082 fi
1083 #endif SILC_DIST_TOOLKIT
1084
1085 SILC_TOP_SRCDIR=`pwd`
1086
1087 # Included configure scripts
1088 AD_INCLUDE_CONFIGURE
1089
1090 #
1091 # Substitutions
1092 #
1093 AC_SUBST(SILC_TOP_SRCDIR)
1094 AC_SUBST(LIBS)
1095 INCLUDE_DEFINES_INT="include \$(top_srcdir)/Makefile.defines_int"
1096 AC_SUBST(INCLUDE_DEFINES_INT)
1097 AC_SUBST(SILC_LIB_INCLUDES)
1098 AC_SUBST(__SILC_HAVE_PTHREAD)
1099 AC_SUBST(__SILC_HAVE_SIM)
1100 AC_SUBST(__SILC_ENABLE_DEBUG)
1101
1102 #
1103 # Fix the libtool to support run-time configuration.  This allows us
1104 # to in run-time specify when to compile shared/static libraries without
1105 # need to reconfigure the entire libtool.
1106 #
1107 if test x$libtoolfix = xtrue; then
1108   ./libtoolfix $SILC_TOP_SRCDIR/ltmain.sh
1109 fi
1110 AM_CONDITIONAL(SILC_LIBTOOLFIX, test x$libtoolfix = xtrue)
1111
1112 #
1113 # Makefile outputs
1114 #
1115 AC_CONFIG_FILES(
1116 Makefile
1117 Makefile.defines
1118 Makefile.defines_int
1119 doc/Makefile
1120 includes/Makefile
1121 doc/example_silcd.conf
1122 includes/silcversion.h
1123 includes/silcincludes.h
1124 )
1125
1126 #ifdef SILC_DIST_TOOLKIT
1127 if test x$without_irssi = xfalse ; then
1128 #endif SILC_DIST_TOOLKIT
1129 #ifdef SILC_DIST_CLIENT
1130   AC_CONFIG_FILES(
1131 irssi/Makefile.defines
1132 irssi/Makefile.defines_int
1133 )
1134 #endif SILC_DIST_CLIENT
1135 #ifdef SILC_DIST_TOOLKIT
1136 fi
1137 #endif SILC_DIST_TOOLKIT
1138
1139 #ifdef SILC_DIST_TOOLKIT
1140 if test x$without_silcd = xfalse ; then
1141 #endif SILC_DIST_TOOLKIT
1142 #ifdef SILC_DIST_SERVER
1143   AC_CONFIG_FILES(silcd/Makefile)
1144 #endif SILC_DIST_SERVER
1145 #ifdef SILC_DIST_TOOLKIT
1146 fi
1147 #endif SILC_DIST_TOOLKIT
1148
1149 #ifdef SILC_DIST_TOOLKIT
1150 AC_CONFIG_FILES(
1151 silc/Makefile
1152 win32/Makefile
1153 win32/libsilc/Makefile
1154 win32/libsilcclient/Makefile
1155 tutorial/Makefile
1156 tutorial/Makefile.defines
1157 tutorial/Makefile.defines_int
1158 )
1159 #endif SILC_DIST_TOOLKIT
1160
1161 AC_OUTPUT
1162
1163 s_bindir=`eval echo $bindir`;s_bindir=`eval echo $s_bindir`
1164 s_sbindir=`eval echo $sbindir`;s_sbindir=`eval echo $s_sbindir`
1165 s_mandir=`eval echo $mandir`;s_mandir=`eval echo $s_mandir`
1166 s_includedir=`eval echo $includedir`;s_includedir=`eval echo $s_includedir`
1167
1168 echo ""
1169 echo "SILC Configuration Summary:"
1170 echo "---------------------------"
1171 echo " Target host ...................: $target"
1172 echo " Compiler ......................: $CC"
1173 echo " CFLAGS ........................: $CFLAGS"
1174 echo " CPPFLAGS ......................: $CPPFLAGS"
1175 echo " LDFLAGS .......................: $LDFLAGS"
1176 echo " LIBS ..........................: $LIBS"
1177 echo ""
1178 echo " Installation prefix ...........: $prefix"
1179 echo " bin directory .................: $s_bindir"
1180 echo " sbin directory ................: $s_sbindir"
1181 echo " etc directory .................: $ETCDIR"
1182 echo " man directory .................: $s_mandir"
1183 echo " help directory ................: $HELPDIR"
1184 echo " doc directory .................: $DOCDIR"
1185 echo " logs directory ................: $LOGSDIR"
1186 echo " SIM directory .................: $MODULESDIR"
1187 echo " include directory .............: $s_includedir"
1188 echo ""
1189
1190 #ifdef SILC_DIST_SERVER
1191 silcd="yes"
1192 #endif SILC_DIST_SERVER
1193
1194 #ifdef SILC_DIST_TOOLKIT
1195 if test x$without_irssi = xtrue; then
1196   irssi="no"
1197 fi
1198 if test x$without_silcd = xtrue; then
1199   silcd="no"
1200 fi
1201 #endif SILC_DIST_TOOLKIT
1202
1203 #ifdef SILC_DIST_CLIENT
1204 echo " Compile SILC Client ...........: $irssi"
1205 #endif SILC_DIST_CLIENT
1206
1207 #ifdef SILC_DIST_SERVER
1208 echo " Compile SILC Server ...........: $silcd"
1209 echo " Server configuration file .....: $summary_silcd_configfile"
1210 echo " Server PID file ...............: $PIDFILE"
1211 #endif SILC_DIST_SERVER
1212
1213 if test x$sim_support = xfalse; then
1214   sim_support="no"
1215 else
1216   sim_support="yes"
1217 fi
1218 if test x$has_iconv = xfalse; then
1219   iconv_support="no"
1220 else
1221   iconv_support="yes"
1222 fi
1223 echo " SIM support ...................: $sim_support"
1224 echo " IPv6 support ..................: $summary_ipv6"
1225 echo " Iconv support .................: $iconv_support"
1226 if test x$want_asm = xfalse; then
1227   summary_asm="no"
1228 else
1229   summary_asm="yes"
1230 fi
1231 echo " Assembler optimizations .......: $summary_asm"
1232
1233 mp="MPI"
1234 if test x$mp_gmp = xtrue; then
1235   mp="GMP"
1236 fi
1237 echo " Arithmetic library ............: $mp"
1238
1239 threads="no"
1240 if test x$has_threads = xtrue; then
1241   threads="yes"
1242 fi
1243 echo " Multi-threads support .........: $threads"
1244 echo " Debugging enabled .............: $summary_debug"
1245 echo ""
1246 echo "Compile the sources with 'make' or 'gmake' command."