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 AC_CANONICAL_SYSTEM
  20 AM_INIT_AUTOMAKE
  21 AC_PREREQ(2.52)
  22 AC_CONFIG_HEADERS(silcdefs.h)
  23
  24 AC_PROG_INSTALL
  25 AC_PROG_MAKE_SET
  26
  27 AC_PROG_LN_S
  28 AC_PROG_EGREP
  29 AC_SUBST(LN_S)
  30 AC_PATH_PROG(sedpath, sed)
  31
  32 #ifdef SILC_DIST_COMPILER
  33 # Put here any platform specific stuff
  34 #
  35 case "$target" in
  36   *-*-freebsd*)
  37     check_threads=true
  38     ;;
  39   *-*-*bsd*)
  40     check_threads=false
  41     ;;
  42   *)
  43     check_threads=true
  44     ;;
  45 esac
  46
  47 # Control compiler optimizations
  48 CFLAGS=`echo $CFLAGS | sed 's/-O[ 0123456789s]*//g'`
  49
  50 AC_PROG_CC
  51 AC_C_INLINE
  52 AC_C_CONST
  53
  54 __SILC_HAVE_PTHREAD=""
  55 __SILC_HAVE_SIM=""
  56 __SILC_ENABLE_DEBUG=""
  57
  58 AC_PROG_RANLIB
  59 AC_DISABLE_SHARED
  60 AC_PROG_LIBTOOL
  61
  62 # Header checking
  63 #
  64 AC_HEADER_STDC
  65 AC_HEADER_TIME
  66 AC_HEADER_STAT
  67
  68 # More header checking
  69 #
  70 AC_CHECK_HEADERS(unistd.h string.h getopt.h errno.h fcntl.h assert.h)
  71 AC_CHECK_HEADERS(sys/types.h sys/stat.h sys/time.h stddef.h)
  72 AC_CHECK_HEADERS(netinet/in.h netinet/tcp.h xti.h netdb.h sys/resource.h)
  73 AC_CHECK_HEADERS(pwd.h grp.h termcap.h paths.h)
  74 AC_CHECK_HEADERS(ncurses.h signal.h ctype.h utime.h)
  75 AC_CHECK_HEADERS(arpa/inet.h sys/mman.h limits.h termios.h locale.h langinfo.h)
  76
  77 # Data type checking
  78 #
  79 AC_TYPE_SIGNAL
  80 AC_TYPE_SIZE_T
  81 AC_TYPE_MODE_T
  82 AC_TYPE_UID_T
  83 AC_TYPE_PID_T
  84
  85 AC_CHECK_SIZEOF(long long, 0)
  86 AC_SUBST(SILC_SIZEOF_LONG_LONG, $ac_cv_sizeof_long_long)
  87 AC_CHECK_SIZEOF(long, 0)
  88 AC_SUBST(SILC_SIZEOF_LONG, $ac_cv_sizeof_long)
  89 AC_CHECK_SIZEOF(int, 0)
  90 AC_SUBST(SILC_SIZEOF_INT, $ac_cv_sizeof_int)
  91 AC_CHECK_SIZEOF(short, 0)
  92 AC_SUBST(SILC_SIZEOF_SHORT, $ac_cv_sizeof_short)
  93 AC_CHECK_SIZEOF(char, 0)
  94 AC_SUBST(SILC_SIZEOF_CHAR, $ac_cv_sizeof_char)
  95 AC_CHECK_SIZEOF(void *, 0)
  96 AC_SUBST(SILC_SIZEOF_VOID_P, $ac_cv_sizeof_void_p)
  97
  98 # Function and library checking
  99 #
 100 AC_CHECK_FUNC(gethostbyname, [],
 101   [
 102     AC_CHECK_LIB(nsl, gethostbyname, LIBS="$LIBS -lnsl")
 103     AC_CHECK_FUNC(res_gethostbyname, [],
 104        AC_CHECK_LIB(resolv, res_gethostbyname, LIBS="$LIBS -lresolv")
 105     )
 106   ])
 107 AC_CHECK_FUNC(socket, [],
 108   AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 109 )
 110 AC_CHECK_FUNCS(gethostname gethostbyaddr getservbyname getservbyport)
 111 AC_CHECK_FUNCS(select listen bind shutdown close connect setsockopt)
 112 AC_CHECK_FUNCS(time ctime utime gettimeofday getrusage)
 113 AC_CHECK_FUNCS(chmod fcntl stat fstat getenv putenv strerror)
 114 AC_CHECK_FUNCS(getpid getgid getsid getpgid getpgrp getuid)
 115 AC_CHECK_FUNCS(setgroups initgroups nl_langinfo)
 116 AC_CHECK_FUNCS(strchr strstr strcpy strncpy memcpy memset memmove)
 117
 118 #ifdef SILC_DIST_SIM
 119 # SIM support checking
 120 # XXX These needs to be changed as more supported platforms appear.
 121 # XXX This probably needs to be made platform dependant check.
 122 #
 123 sim_support=false
 124 AC_MSG_CHECKING(for SIM support)
 125 AC_MSG_RESULT()
 126 AC_CHECK_HEADERS(dlfcn.h,
 127   [
 128     AC_CHECK_LIB(dl, dlopen,
 129       [
 130         AC_DEFINE([SILC_SIM], [], [HAVE_SIM])
 131         sim_support=true
 132         LIBS="$LIBS -ldl"
 133       ],
 134       [
 135         AC_CHECK_LIB(c, dlopen,
 136           [
 137             AC_DEFINE([SILC_SIM], [], [HAVE_SIM])
 138             sim_support=true
 139           ])
 140       ])
 141    ])
 142
 143 AM_CONDITIONAL(SILC_SIM, test x$sim_support = xtrue)
 144 if test x$sim_support = xtrue; then
 145   AC_MSG_RESULT(Enabled SIM support.)
 146   __SILC_HAVE_SIM="#define __SILC_HAVE_SIM 1"
 147 else
 148   AC_MSG_RESULT(No SIM support found.)
 149 fi
 150 #endif SILC_DIST_SIM
 151
 152 # lib/contrib conditionals
 153 #
 154 AC_CHECK_HEADER(regex.h,
 155   [
 156     AC_DEFINE([HAVE_REGEX], [], [HAVE_REGEX])
 157     have_regex=1
 158   ], have_regex=0
 159 )
 160 AM_CONDITIONAL(HAVE_REGEX, test x$have_regex = x1)
 161
 162 AC_CHECK_FUNC(getopt_long,
 163   [
 164     AC_DEFINE([HAVE_GETOPT_LONG], [], [HAVE_GETOPT_LONG])
 165     have_getopt_long=1
 166   ], have_getopt_long=0
 167 )
 168 AM_CONDITIONAL(HAVE_GETOPT_LONG, test x$have_getopt_long = x1)
 169
 170 ##
 171 ##  Enable/disable checking
 172 ##
 173
 174 # IPv6 support
 175 #
 176 AC_MSG_CHECKING(whether to enable IPv6 support)
 177 AC_ARG_ENABLE(ipv6,
 178   [  --enable-ipv6           enable IPv6 support],
 179   [
 180     case "${enableval}" in
 181       yes)
 182         want_ipv6=true
 183         check_ipv6=false
 184         summary_ipv6="yes"
 185         AC_DEFINE([HAVE_IPV6], [], [HAVE_IPV6])
 186         AC_MSG_RESULT(yes)
 187         ;;
 188       *)
 189         want_ipv6=false
 190         check_ipv6=false
 191         summary_ipv6="no"
 192         AC_MSG_RESULT(no)
 193         ;;
 194     esac
 195   ],
 196     check_ipv6=true
 197   )
 198
 199 if test x$check_ipv6 = xtrue; then
 200   summary_ipv6="no"
 201   AC_TRY_COMPILE(
 202     [
 203       #ifdef HAVE_SYS_TYPES_H
 204       #include <sys/types.h>
 205       #endif
 206       #ifdef HAVE_NETINET_TCP_H
 207       #include <netinet/tcp.h>
 208       #endif
 209       #ifdef HAVE_NETDB_H
 210       #include <netdb.h>
 211       #endif
 212       #include <sys/socket.h>
 213       #ifdef HAVE_NETINET_IN_H
 214       #include <netinet/in.h>
 215       #endif
 216     ],
 217     [
 218       struct sockaddr_in6 sin6;
 219       int family = AF_INET6;
 220     ],
 221     [
 222       AC_DEFINE([HAVE_IPV6], [], [HAVE_IPV6])
 223       AC_MSG_RESULT(yes)
 224       summary_ipv6="yes"
 225     ],
 226       AC_MSG_RESULT(no)
 227     )
 228 fi
 229
 230 # Debug checking
 231 #
 232 AC_MSG_CHECKING(whether to enable debugging)
 233 summary_debug="no"
 234 __SILC_ENABLE_DEBUG=""
 235 AC_ARG_ENABLE(debug,
 236   [  --enable-debug          enable debugging],
 237   [
 238     case "${enableval}" in
 239       yes)
 240         AC_MSG_RESULT(yes)
 241         AC_DEFINE([SILC_DEBUG], [], [enable-debug])
 242         summary_debug="yes"
 243         __SILC_ENABLE_DEBUG="#define __SILC_ENABLE_DEBUG 1"
 244         ;;
 245       *)
 246         AC_MSG_RESULT(no)
 247         ;;
 248     esac
 249   ],
 250   [
 251     AC_MSG_RESULT(no)
 252   ])
 253
 254 # Disable all assembler optimizations
 255 #
 256 AC_MSG_CHECKING(whether to enable assembler optimizations)
 257 want_asm=true
 258 AC_ARG_ENABLE(asm,
 259   [  --disable-asm           do not use assembler optimizations],
 260   [
 261     AC_MSG_RESULT(no)
 262     want_asm=false
 263   ],
 264   [
 265     AC_MSG_RESULT(yes)
 266     want_asm=true
 267   ])
 268
 269 ##
 270 ## Compiler and compiler flag checks
 271 ##
 272
 273 # Function to check if compiler flag works
 274 # Usage: SILC_ADD_CFLAGS(FLAGS, [ACTION-IF-FAILED])
 275 AC_DEFUN([SILC_ADD_CFLAGS],
 276 [ tmp_CFLAGS="$CFLAGS"
 277   CFLAGS="$CFLAGS $1"
 278   AC_MSG_CHECKING(whether $CC accepts $1 flag)
 279   AC_TRY_LINK([], [], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
 280                                        CFLAGS="$tmp_CFLAGS"
 281                                        $2])
 282   unset tmp_CFLAGS
 283 ])
 284
 285 if test "$GCC"; then
 286   # GCC specific options
 287   if test "x$summary_debug" = "xyes"; then
 288     SILC_ADD_CFLAGS(-g -O)
 289   else
 290     SILC_ADD_CFLAGS(-g -O2)
 291   fi
 292   SILC_ADD_CFLAGS(-Wall -finline-functions)
 293   SILC_ADD_CFLAGS(-Wno-pointer-sign)
 294 else
 295   # Other compilers
 296   case "$target" in
 297     alpha*-dec-osf*)
 298       SILC_ADD_CFLAGS(-g3 -O2, SILC_ADD_CFLAGS(-g3 -O, SILC_ADD_CFLAGS(-O)))
 299       ;;
 300     *)
 301       SILC_ADD_CFLAGS(-g)
 302       SILC_ADD_CFLAGS(-O2, SILC_ADD_CFLAGS(-O))
 303       ;;
 304   esac
 305
 306   # Intel C++ Compiler needs -restrict
 307   if test "x$CC" = "xicc"; then
 308     SILC_ADD_CFLAGS(-restrict)
 309   fi
 310 fi
 311
 312 #
 313 # Workaround a bug in GCC 2.x which causes memory exhaustion
 314 # when compiling sha1 with optimizations on UltraSPARC.
 315 #
 316 FIX_SHA1='#'
 317 if test "$GCC" -a "$host_cpu" = "sparc64"; then
 318   AC_MSG_CHECKING(whether to enable GCC 2.x workaround for SHA1)
 319   AC_TRY_COMPILE(
 320     [
 321       #if defined(__sparc64__) && (__GNUC__ == 2)
 322       #else
 323       choke me
 324       #endif
 325     ],
 326     [],
 327     [
 328       FIX_SHA1=''
 329       AC_MSG_RESULT(yes)
 330     ],
 331       AC_MSG_RESULT(no)
 332     )
 333 fi
 334 AC_SUBST(FIX_SHA1)
 335 #endif SILC_DIST_COMPILER
 336
 337 ##
 338 ##  Installation
 339 ##
 340
 341 # Default installation destination
 342 #
 343 #ifdef SILC_DIST_AUTODIST
 344 AC_PREFIX_DEFAULT(/usr/local)
 345 #else !SILC_DIST_AUTODIST
 346 AC_PREFIX_DEFAULT(/usr/local/silc)
 347 #endif SILC_DIST_AUTODIST
 348 if test "x$prefix" != xNONE; then
 349   silc_prefix="$prefix"
 350 else
 351   silc_prefix="$ac_default_prefix"
 352 fi
 353
 354 #ifndef SILC_DIST_AUTODIST
 355 # etc directory
 356 #
 357 if test "x$sysconfdir" != 'x${prefix}/etc'; then
 358   ETCDIR="$sysconfdir"
 359 else
 360   ETCDIR="$silc_prefix/etc"
 361 fi
 362
 363 AC_ARG_WITH(etcdir,
 364   [[  --with-etcdir=DIR       directory for system files [/etc/silc]]],
 365   [
 366     case "$withval" in
 367       no|yes)
 368         ;;
 369       *)
 370         ETCDIR="$withval"
 371         ;;
 372     esac
 373   ])
 374 AC_SUBST(ETCDIR)
 375 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
 376
 377 # doc directory
 378 #
 379 DOCDIR="$silc_prefix/doc"
 380 AC_ARG_WITH(docdir,
 381   [[  --with-docdir=DIR       directory for SILC documentation [PREFIX/doc]]],
 382   [
 383     case "$withval" in
 384       no|yes)
 385         ;;
 386       *)
 387         DOCDIR="$withval"
 388         ;;
 389     esac
 390   ])
 391 AC_SUBST(DOCDIR)
 392 AC_DEFINE_UNQUOTED([SILC_DOCDIR], "$DOCDIR", [SILC_DOCDIR])
 393 #endif SILC_DIST_AUTODIST
 394
 395 #ifdef SILC_DIST_CLIENT
 396 # help directory
 397 #
 398 HELPDIR="$silc_prefix/help"
 399 AC_ARG_WITH(helpdir,
 400   [[  --with-helpdir=DIR      directory for SILC help files [PREFIX/help]]],
 401   [
 402     case "$withval" in
 403       no|yes)
 404         ;;
 405       *)
 406        HELPDIR="$withval"
 407        ;;
 408     esac
 409   ])
 410 AC_SUBST(HELPDIR)
 411 AC_DEFINE_UNQUOTED([SILC_HELPDIR], "$HELPDIR", [SILC_HELPDIR])
 412 #endif SILC_DIST_CLIENT
 413
 414 #ifdef SILC_DIST_SIM
 415 # SIM modules directory
 416 #
 417 MODULESDIR="$silc_prefix/modules"
 418 AC_ARG_WITH(simdir,
 419   [[  --with-simdir=DIR       directory for SIM modules [PREFIX/modules]]],
 420   [
 421     case "$withval" in
 422       no|yes)
 423         ;;
 424       *)
 425         MODULESDIR="$withval"
 426         ;;
 427     esac
 428   ])
 429 AC_SUBST(MODULESDIR)
 430 AC_DEFINE_UNQUOTED([SILC_MODULESDIR], "$MODULESDIR", [SILC_MODULESDIR])
 431 #endif SILC_DIST_SIM
 432
 433 #ifdef SILC_DIST_COMPILER
 434 ##
 435 ##  With/without checkings
 436 ##
 437
 438 #
 439 # SILC library checking
 440 compile_libs=true
 441
 442 #ifndef SILC_DIST_TOOLKIT
 443 AC_ARG_WITH(silc-includes,
 444   [  --with-silc-includes=DIR SILC Toolkit includes [search in DIR]],
 445   [ac_silc_includes="$withval"], [ac_silc_includes="no"])
 446 AC_ARG_WITH(silc-libs,
 447   [  --with-silc-libs=DIR     SILC Toolkit libraries [search in DIR]],
 448   [ac_silc_libs="$withval"], [ac_silc_libs="no"])
 449
 450 if test -n "$with_silc_includes" || test -n "$with_silc_libs"; then
 451
 452   # Manually provided libs
 453   if test "$ac_silc_includes" != "no"; then
 454     compile_libs=false
 455     SILC_LIB_INCLUDES="-I$ac_silc_includes"
 456   fi
 457   if test "$ac_silc_libs" != "no"; then
 458     compile_libs=false
 459     LIBS="$LIBS -L$ac_silc_libs"
 460   fi
 461
 462   # Check libs to link against
 463   f=`$EGREP __SILC_HAVE_PTHREAD $ac_silc_includes/silcincludes.h`
 464   if test -n "$f"; then
 465     LIBS="$LIBS -lpthread"
 466     check_threads=false
 467     has_threads=true
 468   fi
 469   f=`$EGREP __SILC_HAVE_SIM $ac_silc_includes/silcincludes.h`
 470   if test -n "$f"; then
 471     LIBS="$LIBS -ldl"
 472   fi
 473
 474 else
 475   # pkg-config check
 476   PKG_CHECK_MODULES(SILC, silc, compile_libs=false, compile_libs=true)
 477   PKG_CHECK_MODULES(SILCCLIENT, silcclient, compile_libs=false, compile_libs=true)
 478
 479   if test x$compile_libs = xfalse; then
 480     LIBS="$LIBS $SILC_LIBS"
 481     CFLAGS="$CFLAGS $SILC_CFLAGS"
 482     LIBS="$LIBS $SILCCLIENT_LIBS"
 483     CFLAGS="$CFLAGS $SILCCLIENT_CFLAGS"
 484   fi
 485 fi
 486 #endif SILC_DIST_TOOLKIT
 487
 488 # SOCKS4 support checking
 489 #
 490 SAVE_LIBS="$LIBS"
 491 SAVE_CFLAGS="$CFLAGS"
 492 SAVE_LDFLAGS="$LDFLAGS"
 493 AC_MSG_CHECKING(whether to support SOCKS4)
 494 AC_ARG_WITH(socks4,
 495   [[  --with-socks4[=DIR]     with SOCKS4 support [search in DIR/lib and DIR/include]]],
 496   [
 497     case "$withval" in
 498       no)
 499         AC_MSG_RESULT(no)
 500         ;;
 501       *)
 502         AC_MSG_RESULT(yes)
 503         socks=4
 504
 505         if test -d "$withval/include"; then
 506           CFLAGS="$CFLAGS -I$withval/include"
 507         fi
 508         if test -d "$withval/lib"; then
 509           LDFLAGS="$LDFLAGS -L$withval/lib"
 510         fi
 511
 512         LIBS="-lsocks $LIBS"
 513         ;;
 514     esac
 515
 516     AC_TRY_LINK([],
 517       [
 518         Rconnect();
 519       ], [],
 520       [
 521         AC_MSG_ERROR(Could not find SOCKS4 library.)
 522         LIBS="$SAVE_LIBS"
 523         CFLAGS="$SAVE_CFLAGS"
 524         LDFLAGS="$SAVE_LDFLAGS"
 525       ])
 526   ],
 527     AC_MSG_RESULT(no)
 528   )
 529
 530 # SOCKS5 support checking
 531 #
 532 SAVE_LIBS="$LIBS"
 533 SAVE_CFLAGS="$CFLAGS"
 534 SAVE_LDFLAGS="$LDFLAGS"
 535 AC_MSG_CHECKING(whether to support SOCKS5)
 536 AC_ARG_WITH(socks5,
 537   [[  --with-socks5[=DIR]     with SOCKS5 support [search in DIR/lib and DIR/include]]],
 538   [
 539     case "$withval" in
 540       no)
 541         AC_MSG_RESULT(no)
 542         ;;
 543       *)
 544         AC_MSG_RESULT(yes)
 545         socks=5
 546
 547         if test -d "$withval/include"; then
 548           CFLAGS="$CFLAGS -I$withval/include"
 549         fi
 550         if test -d "$withval/lib"; then
 551           LDFLAGS="$LDFLAGS -L$withval/lib"
 552         fi
 553
 554         LIBS="-lsocks5 $LIBS"
 555         ;;
 556     esac
 557
 558     AC_TRY_LINK([],
 559       [
 560         SOCKSconnect();
 561       ], [],
 562       [
 563         AC_MSG_ERROR(Could not find SOCKS5 library.)
 564         LIBS="$SAVE_LIBS"
 565         CFLAGS="$SAVE_CFLAGS"
 566         LDFLAGS="$SAVE_LDFLAGS"
 567       ])
 568   ],
 569     AC_MSG_RESULT(no)
 570   )
 571
 572 if test "x$socks" = "x4"; then
 573   AC_DEFINE([SOCKS], [], [Socks])
 574   CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
 575 fi
 576
 577 if test "x$socks" = "x5"; then
 578   AC_DEFINE([SOCKS], [], [Socks])
 579   AC_DEFINE([SOCKS5], [], [Socks5])
 580   AC_DEFINE([Rconnect], [SOCKSconnect], [Socks])
 581   AC_DEFINE([Rgetsockname], [SOCKSgetsockname], [Socks])
 582   AC_DEFINE([Rgetpeername], [SOCKSgetpeername], [Socks])
 583   AC_DEFINE([Rbind], [SOCKSbind], [Socks])
 584   AC_DEFINE([Raccept], [SOCKSaccept], [Socks])
 585   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 586   AC_DEFINE([Rselect], [SOCKSselect], [Socks])
 587   AC_DEFINE([Rrecvfrom], [SOCKSrecvfrom], [Socks])
 588   AC_DEFINE([Rsendto], [SOCKSsendto], [Socks])
 589   AC_DEFINE([Rrecv], [SOCKSrecv], [Socks])
 590   AC_DEFINE([Rsend], [SOCKSsend], [Socks])
 591   AC_DEFINE([Rread], [SOCKSread], [Socks])
 592   AC_DEFINE([Rwrite], [SOCKSwrite], [Socks])
 593   AC_DEFINE([Rrresvport], [SOCKSrresvport], [Socks])
 594   AC_DEFINE([Rshutdown], [SOCKSshutdown], [Socks])
 595   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 596   AC_DEFINE([Rclose], [SOCKSclose], [Socks])
 597   AC_DEFINE([Rdup], [SOCKSdup], [Socks])
 598   AC_DEFINE([Rdup2], [SOCKSdup2], [Socks])
 599   AC_DEFINE([Rfclose], [SOCKSfclose], [Socks])
 600   AC_DEFINE([Rgethostbyname], [SOCKSgethostbyname], [Socks])
 601 fi
 602
 603 #ifdef SILC_DIST_MATH
 604 # MP library checking. First check whether user wants to use GMP and use
 605 # it if found. If not or not defined then compile the MPI library in the
 606 # source tree.
 607 #
 608 mp_gmp=false
 609 SAVE_LIBS="$LIBS"
 610 SAVE_CFLAGS="$CFLAGS"
 611 SAVE_LDFLAGS="$LDFLAGS"
 612 AC_MSG_CHECKING(whether to search for GMP)
 613 AC_ARG_WITH(gmp,
 614   [[  --with-gmp[=DIR]        use GMP instead of MPI [search in DIR/lib and DIR/include]]],
 615   [
 616     case "$withval" in
 617       no)
 618         AC_MSG_RESULT(no)
 619         ;;
 620       *)
 621         AC_MSG_RESULT(yes)
 622
 623         if test -d "$withval/include"; then
 624           CFLAGS="$CFLAGS -I$withval/include"
 625         fi
 626         if test -d "$withval/lib"; then
 627           LDFLAGS="$LDFLAGS -L$withval/lib"
 628         fi
 629
 630         LIBS="-lgmp $LIBS"
 631         ;;
 632     esac
 633
 634     AC_CHECK_LIB(gmp, __gmpz_init,
 635       [
 636         mp_gmp=true
 637         AC_DEFINE([SILC_MP_GMP], [], [GMP])
 638         AC_MSG_RESULT(Using GMP as a MP library.)
 639       ],
 640       [
 641         LIBS="$SAVE_LIBS"
 642         CFLAGS="$SAVE_CFLAGS"
 643         LDFLAGS="$SAVE_LDFLAGS"
 644       ])
 645   ],
 646     AC_MSG_RESULT(no)
 647   )
 648
 649 AM_CONDITIONAL(SILC_MP_GMP, test x$mp_gmp = xtrue)
 650 AM_CONDITIONAL(SILC_MP_NSS_MPI, test x$mp_gmp = xfalse)
 651 if test x$mp_gmp = xfalse; then
 652   AC_DEFINE([SILC_MP_NSS_MPI], [], [MPI])
 653   AC_MSG_RESULT(Using NSS MPI as a MP library.)
 654 fi
 655 #endif SILC_DIST_MATH
 656
 657 # iconv support
 658 #
 659 check_iconv=true
 660 has_iconv=false
 661 SAVE_LIBS="$LIBS"
 662 SAVE_CFLAGS="$CFLAGS"
 663 SAVE_LDFLAGS="$LDFLAGS"
 664 SAVE_CPPFLAGS="$CPPFLAGS"
 665 AC_MSG_CHECKING(whether to implicit search for libiconv)
 666 AC_ARG_WITH(iconv,
 667   [[  --with-iconv[=DIR]      use libiconv [search in DIR/include and DIR/lib]]],
 668   [
 669     case "${withval}" in
 670       no)
 671         AC_MSG_RESULT(no)
 672         AC_CHECK_HEADERS(iconv.h,
 673           [
 674             AC_CHECK_FUNC(iconv, has_iconv=true)
 675           ])
 676         check_iconv=false
 677         ;;
 678       *)
 679         AC_MSG_RESULT(yes)
 680         if test -d $withval/include; then
 681           CPPFLAGS="$CPPFLAGS -I$withval/include"
 682           CFLAGS="$CFLAGS -I$withval/include"
 683         fi
 684         if test -d $withval/lib; then
 685           LDFLAGS="$LDFLAGS -L$withval/lib"
 686         fi
 687         ;;
 688     esac
 689   ],
 690   [
 691     AC_MSG_RESULT(no)
 692     AC_CHECK_HEADERS(iconv.h,
 693       [
 694         AC_CHECK_FUNCS(iconv,
 695           [
 696             has_iconv=true
 697             check_iconv=false
 698           ])
 699       ])
 700   ])
 701
 702 if test x$check_iconv = xtrue; then
 703   AC_MSG_RESULT(Searching for iconv...)
 704
 705   # XXX
 706   unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 707
 708   AC_CHECK_HEADERS(iconv.h,
 709     [
 710       LIBS="$LIBS -liconv"
 711       AC_MSG_CHECKING(for iconv in -liconv)
 712       AC_TRY_LINK(
 713         [
 714           #include <stdlib.h>
 715           #include <iconv.h>
 716         ],
 717         [
 718           iconv_t cd = iconv_open("", "");
 719           iconv(cd, NULL, NULL, NULL, NULL);
 720           iconv_close(cd);
 721         ],
 722         [
 723           echo "yes"
 724           AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 725           has_iconv=true
 726           check_iconv=false
 727         ],
 728         [
 729           echo "no"
 730           LIBS="$SAVE_LIBS"
 731           CFLAGS="$SAVE_CFLAGS"
 732           LDFLAGS="$SAVE_LDFLAGS"
 733           CPPFLAGS="$SAVE_CPPFLAGS"
 734         ])
 735      ])
 736 fi
 737
 738 if test x$check_iconv = xtrue; then
 739   # search for iconv library..
 740   SAVE_LIBS="$LIBS"
 741   SAVE_CFLAGS="$CFLAGS"
 742   SAVE_LDFLAGS="$LDFLAGS"
 743   SAVE_CPPFLAGS="$CPPFLAGS"
 744
 745   for dir in `echo "/usr/local /usr/pkg /usr/contrib"`; do
 746     if test x$has_iconv = xfalse; then
 747       AC_MSG_RESULT(searching in $dir...)
 748
 749       if test -d $dir/include; then
 750         CPPFLAGS="$CPPFLAGS -I$dir/include"
 751         CFLAGS="$CFLAGS -I$dir/include"
 752       fi
 753       if test -d $dir/lib; then
 754         LDFLAGS="$LDFLAGS -L$dir/lib"
 755       fi
 756
 757       # XXX
 758       unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 759
 760       AC_CHECK_HEADERS(iconv.h,
 761         [
 762           LIBS="$LIBS -liconv"
 763           AC_MSG_CHECKING(for iconv in -liconv)
 764           AC_TRY_LINK(
 765             [
 766               #include <stdlib.h>
 767               #include <iconv.h>
 768             ],
 769             [
 770               iconv_t cd = iconv_open("", "");
 771               iconv(cd, NULL, NULL, NULL, NULL);
 772               iconv_close(cd);
 773             ],
 774             [
 775               echo "yes"
 776               has_iconv=true
 777               AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 778             ],
 779             [
 780               echo "no"
 781               has_iconv=false
 782
 783               LIBS="$SAVE_LIBS"
 784               CFLAGS="$SAVE_CFLAGS"
 785               LDFLAGS="$SAVE_LDFLAGS"
 786               CPPFLAGS="$SAVE_CPPFLAGS"
 787             ])
 788          ],
 789          [
 790            CFLAGS="$SAVE_CFLAGS"
 791            LDFLAGS="$SAVE_LDFLAGS"
 792            CPPFLAGS="$SAVE_CPPFLAGS"
 793          ])
 794       fi
 795     done
 796 fi
 797
 798 if test x$has_iconv = xtrue; then
 799   # (1) Some implementations of iconv won't convert from UTF-8 to UTF-8.
 800   # (2) In glibc-2.1.2 and earlier there is a bug that messes up ob and
 801   #     obl when args 2 and 3 are 0 (fixed in glibc-2.1.3).
 802   #
 803   AC_CACHE_CHECK([whether this iconv is good enough], ac_iconv_good,
 804     AC_TRY_RUN(
 805       [
 806         #include <iconv.h>
 807         int main() {
 808           iconv_t cd;
 809         changequote(, )dnl
 810           char buf[4];
 811         changequote([, ])dnl
 812           char *ob;
 813           size_t obl;
 814           ob = buf, obl = sizeof(buf);
 815           return ((cd = iconv_open("UTF-8", "UTF-8")) != (iconv_t)(-1) &&
 816                  (iconv(cd, 0, 0, &ob, &obl) ||
 817                  !(ob == buf && obl == sizeof(buf)) ||
 818                  iconv_close(cd)));
 819         }
 820       ],
 821       [
 822         ac_iconv_good=yes
 823       ],
 824       [
 825         ac_iconv_good=no
 826       ],
 827       [
 828         ac_iconv_good=yes
 829       ])
 830     )
 831
 832   if test x$ac_iconv_good = xno; then
 833     AC_MSG_RESULT(Try using libiconv instead.)
 834   fi
 835 fi
 836
 837 # POSIX threads support
 838 #
 839 AC_MSG_CHECKING(whether to search for POSIX threads)
 840 AC_ARG_WITH(pthreads,
 841   [[  --with-pthreads[=DIR]   use POSIX threads [search in DIR/include and DIR/lib]]],
 842   [
 843     case "${withval}" in
 844       no)
 845         check_threads=false
 846         ;;
 847       *)
 848         if test -d $withval/include; then
 849           CPPFLAGS="$CPPFLAGS -I$withval/include"
 850           CFLAGS="$CFLAGS -I$withval/include"
 851         fi
 852         if test -d $withval/lib; then
 853           LDFLAGS="$LDFLAGS -L$withval/lib"
 854         fi
 855
 856         check_threads=true
 857         ;;
 858     esac
 859   ])
 860
 861 if test x$check_threads = xtrue; then
 862   has_threads=false
 863   SAVE_LIBS="$LIBS"
 864   SAVE_CFLAGS="$CFLAGS"
 865   SAVE_LDFLAGS="$LDFLAGS"
 866   SAVE_CPPFLAGS="$CPPFLAGS"
 867
 868   AC_MSG_RESULT(yes)
 869   AC_CHECK_HEADERS(pthread.h,
 870     [
 871       LIBS="$LIBS -lpthread"
 872       AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 873         [
 874           # FreeBSD
 875           case "${target}" in
 876             *-*-freebsd*)
 877               LIBS="$SAVE_LIBS -pthread"
 878               AC_CHECK_LIB(c_r, pthread_attr_init, has_threads=true, LIBS="$SAVE_LIBS")
 879               ;;
 880             *)
 881               LIBS="$SAVE_LIBS"
 882               ;;
 883           esac
 884         ])
 885     ],
 886     [
 887       # search for pthread library..
 888       for dir in `echo "/usr/local /usr/pkg /usr/contrib /usr/pkg/pthreads /usr/local/pthreads"`; do
 889         if test x$has_threads = xfalse; then
 890           AC_MSG_RESULT(searching in $dir...)
 891
 892           if test -d $dir/include; then
 893             CPPFLAGS="$CPPFLAGS -I$dir/include"
 894             CFLAGS="$CFLAGS -I$dir/include"
 895           fi
 896           if test -d $dir/lib; then
 897             LDFLAGS="$LDFLAGS -L$dir/lib"
 898           fi
 899
 900           # XXX
 901           unset ac_cv_header__pthread_h_ ac_cv_header_pthread_h || true
 902
 903           AC_CHECK_HEADERS(pthread.h,
 904             [
 905               LIBS="$LIBS -lpthread"
 906               AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 907                 [
 908                   has_threads=false
 909
 910                   LIBS="$SAVE_LIBS"
 911                   CFLAGS="$SAVE_CFLAGS"
 912                   LDFLAGS="$SAVE_LDFLAGS"
 913                   CPPFLAGS="$SAVE_CPPFLAGS"
 914                 ])
 915             ],
 916             [
 917               CFLAGS="$SAVE_CFLAGS"
 918               LDFLAGS="$SAVE_LDFLAGS"
 919               CPPFLAGS="$SAVE_CPPFLAGS"
 920             ])
 921         fi
 922       done
 923     ])
 924 else
 925   AC_MSG_RESULT(no)
 926   has_threads=false
 927 fi
 928
 929 __SILC_HAVE_PTHREAD=""
 930 AM_CONDITIONAL(SILC_THREADS, test x$has_threads = xtrue)
 931 if test x$has_threads = xtrue; then
 932   CFLAGS="$CFLAGS -D_REENTRANT"
 933
 934   # XXX possibly incomplete
 935   case "${target}" in
 936     *-*-aix*)
 937       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 938       if test x"$GCC" = xyes; then
 939         CFLAGS="$CFLAGS -mthreads"
 940       fi
 941       ;;
 942     *-*-freebsd*)
 943       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 944       ;;
 945     *-*-sysv5uw7*)  # UnixWare 7
 946       if test "$GCC" != "yes"; then
 947         CFLAGS="$CFLAGS -Kthread"
 948       else
 949         CFLAGS="$CFLAGS -pthread"
 950       fi
 951       ;;
 952     *-dg-dgux*)  # DG/UX
 953       CFLAGS="$CFLAGS -D_POSIX4A_DRAFT10_SOURCE"
 954       ;;
 955    esac
 956
 957   AC_CHECK_FUNC(pthread_create)
 958   AC_DEFINE([SILC_HAVE_PTHREAD], [], [HAVE_PTHREAD])
 959   AC_DEFINE([SILC_THREADS], [], [HAVE_THREAD])
 960   __SILC_HAVE_PTHREAD="#define __SILC_HAVE_PTHREAD 1"
 961 fi
 962
 963 # Native WIN32 compilation under cygwin
 964 #
 965 AC_MSG_CHECKING(whether to compile native WIN32 code)
 966 AC_ARG_WITH(win32,
 967   [  --with-win32            compile native WIN32 (MinGW) code (-mno-cygwin)],
 968   [
 969     AC_MSG_RESULT(yes)
 970     AC_DEFINE([SILC_WIN32], [], [SILC_WIN32])
 971     win32_support=true
 972     CFLAGS="-mno-cygwin $CFLAGS"
 973     LIBS="$LIBS -lwsock32"
 974   ],
 975   [
 976     AC_MSG_RESULT(no)
 977   ])
 978 AM_CONDITIONAL(SILC_WIN32, test x$win32_support = xtrue)
 979
 980 # Native EPOC support (disabled by default)
 981 #
 982 AM_CONDITIONAL(SILC_EPOC, test xfalse = xtrue)
 983
 984 # Native BeOS support (disabled by default)
 985 #
 986 AM_CONDITIONAL(SILC_BEOS, test xfalse = xtrue)
 987
 988 # Native OS2 support (disabled by default)
 989 #
 990 AM_CONDITIONAL(SILC_OS2, test xfalse = xtrue)
 991
 992 #ifdef SILC_DIST_TOOLKIT
 993 # --without-irssi
 994 #
 995 without_irssi=false
 996 AC_MSG_CHECKING(whether to compile Irssi SILC Client)
 997 AC_ARG_WITH(irssi,
 998   [  --without-irssi         compile without Irssi SILC Client],
 999   [
1000     AC_MSG_RESULT(no)
1001     without_irssi=true
1002   ],
1003   [
1004     AC_MSG_RESULT(yes)
1005   ])
1006
1007 # --without-silcd
1008 #
1009 without_silcd=false
1010 AC_MSG_CHECKING(whether to compile SILC Server)
1011 AC_ARG_WITH(silcd,
1012   [  --without-silcd         compile without SILC Server],
1013   [
1014     AC_MSG_RESULT(no)
1015     without_silcd=true
1016   ],
1017   [
1018     AC_MSG_RESULT(yes)
1019   ])
1020 #endif SILC_DIST_TOOLKIT
1021
1022 #ifdef SILC_DIST_CLIENT
1023 # Irssi perl support
1024 #
1025 AC_ARG_WITH(perl,
1026   [[  --with-perl[=yes|no|module]  Build with Perl support - also specifies
1027                                if it should be built into main silc binary
1028                                (static, default) or as a module]])
1029 #endif SILC_DIST_CLIENT
1030
1031 libtoolfix=true
1032 AC_MSG_CHECKING(whether to do libtoolfix)
1033 AC_ARG_WITH(libtoolfix,
1034   [  --without-libtoolfix    Do not fix libtool, for package builders],
1035   [
1036     AC_MSG_RESULT(no)
1037     libtoolfix=false
1038   ],
1039   [
1040     AC_MSG_RESULT(yes)
1041   ])
1042
1043 AC_SUBST(ETCDIR)
1044 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
1045
1046 #endif SILC_DIST_COMPILER
1047
1048 ##
1049 ##  Misc
1050 ##
1051
1052 # Make enable-shared aware
1053 AM_CONDITIONAL(SILC_ENABLE_SHARED, test "$enable_shared" = yes)
1054
1055 # Other configure scripts
1056 #
1057
1058 #ifdef SILC_DIST_TOOLKIT
1059 if test x$without_irssi = xfalse; then
1060 #endif SILC_DIST_TOOLKIT
1061 #ifdef SILC_DIST_CLIENT
1062   AC_CONFIG_SUBDIRS(irssi)
1063   irssi="yes"
1064 #endif SILC_DIST_CLIENT
1065 #ifdef SILC_DIST_TOOLKIT
1066 fi
1067 #endif SILC_DIST_TOOLKIT
1068
1069 SILC_TOP_SRCDIR=`pwd`
1070
1071 # Included configure scripts
1072 AD_INCLUDE_CONFIGURE
1073
1074 #ifdef SILC_DIST_COMPILER
1075 #
1076 # Substitutions
1077 #
1078 AC_SUBST(SILC_TOP_SRCDIR)
1079 AC_SUBST(LIBS)
1080 AC_SUBST(SILC_LIB_INCLUDES)
1081 AC_SUBST(__SILC_HAVE_PTHREAD)
1082 AC_SUBST(__SILC_HAVE_SIM)
1083 AC_SUBST(__SILC_ENABLE_DEBUG)
1084
1085 #
1086 # Fix the libtool to support run-time configuration.  This allows us
1087 # to in run-time specify when to compile shared/static libraries without
1088 # need to reconfigure the entire libtool.
1089 #
1090 if test x$libtoolfix = xtrue; then
1091   ./libtoolfix $SILC_TOP_SRCDIR/ltmain.sh
1092 fi
1093 AM_CONDITIONAL(SILC_LIBTOOLFIX, test x$libtoolfix = xtrue)
1094
1095 INCLUDE_DEFINES_INT="include \$(top_srcdir)/Makefile.defines_int"
1096 AC_SUBST(INCLUDE_DEFINES_INT)
1097
1098 #endif SILC_DIST_COMPILER
1099
1100 #
1101 # Makefile outputs
1102 #
1103 AC_CONFIG_FILES(
1104 Makefile
1105 #ifdef SILC_DIST_DOC
1106 doc/Makefile
1107 #endif SILC_DIST_DOC
1108 #ifdef SILC_DIST_COMPILER
1109 Makefile.defines
1110 Makefile.defines_int
1111 includes/Makefile
1112 includes/silcversion.h
1113 includes/silcincludes.h
1114 #endif SILC_DIST_COMPILER
1115 #ifdef SILC_DIST_APPS
1116 apps/Makefile
1117 #endif SILC_DIST_APPS
1118 )
1119
1120 #ifdef SILC_DIST_TOOLKIT
1121 if test x$without_irssi = xfalse ; then
1122 #endif SILC_DIST_TOOLKIT
1123 #ifdef SILC_DIST_CLIENT
1124   AC_CONFIG_FILES(
1125 irssi/Makefile.defines
1126 irssi/Makefile.defines_int
1127 )
1128 #endif SILC_DIST_CLIENT
1129 #ifdef SILC_DIST_TOOLKIT
1130 fi
1131 #endif SILC_DIST_TOOLKIT
1132
1133 #ifdef SILC_DIST_TOOLKIT
1134 AC_CONFIG_FILES(
1135 silc/Makefile
1136 win32/Makefile
1137 win32/libsilc/Makefile
1138 win32/libsilcclient/Makefile
1139 tutorial/Makefile
1140 tutorial/Makefile.defines
1141 tutorial/Makefile.defines_int
1142 )
1143 #endif SILC_DIST_TOOLKIT
1144
1145 AC_OUTPUT
1146
1147 #ifdef SILC_DIST_COMPILER
1148 s_bindir=`eval echo $bindir`;s_bindir=`eval echo $s_bindir`
1149 s_sbindir=`eval echo $sbindir`;s_sbindir=`eval echo $s_sbindir`
1150 s_mandir=`eval echo $mandir`;s_mandir=`eval echo $s_mandir`
1151 s_includedir=`eval echo $includedir`;s_includedir=`eval echo $s_includedir`
1152
1153 echo ""
1154 echo "$PACKAGE Configuration Summary:"
1155 echo "---------------------------"
1156 echo " Target host ...................: $target"
1157 echo " Compiler ......................: $CC"
1158 echo " CFLAGS ........................: $CFLAGS"
1159 echo " LDFLAGS .......................: $LDFLAGS"
1160 echo " LIBS ..........................: $LIBS"
1161 echo ""
1162 echo " Installation prefix ...........: $prefix"
1163 echo " bin directory .................: $s_bindir"
1164 echo " sbin directory ................: $s_sbindir"
1165 echo " etc directory .................: $ETCDIR"
1166 echo " man directory .................: $s_mandir"
1167 echo " doc directory .................: $DOCDIR"
1168 #ifdef SILC_DIST_CLIENT
1169 echo " help directory ................: $HELPDIR"
1170 #endif SILC_DIST_CLIENT
1171 #ifdef SILC_DIST_SERVER
1172 echo " logs directory ................: $LOGSDIR"
1173 #endif SILC_DIST_SERVER
1174 #ifdef SILC_DIST_SIM
1175 echo " SIM directory .................: $MODULESDIR"
1176 #endif SILC_DIST_SIM
1177 #ifdef SILC_DIST_INCLUDES
1178 echo " include directory .............: $s_includedir"
1179 #endif SILC_DIST_INCLUDES
1180 echo ""
1181
1182 #ifdef SILC_DIST_TOOLKIT
1183 if test x$without_irssi = xtrue; then
1184   irssi="no"
1185 fi
1186 if test x$without_silcd = xtrue; then
1187   silcd="no"
1188 fi
1189 #endif SILC_DIST_TOOLKIT
1190
1191 #ifdef SILC_DIST_CLIENT
1192 echo " Compile SILC Client ...........: $irssi"
1193 #endif SILC_DIST_CLIENT
1194
1195 #ifdef SILC_DIST_SERVER
1196 echo " Compile SILC Server ...........: $silcd"
1197 echo " Server configuration file .....: $summary_silcd_configfile"
1198 echo " Server PID file ...............: $PIDFILE"
1199 #endif SILC_DIST_SERVER
1200
1201 #ifdef SILC_DIST_SIM
1202 if test x$sim_support = xfalse; then
1203   sim_support="no"
1204 else
1205   sim_support="yes"
1206 fi
1207 echo " SIM support ...................: $sim_support"
1208 #endif SILC_DIST_SIM
1209
1210 echo " IPv6 support ..................: $summary_ipv6"
1211
1212 if test x$has_iconv = xfalse; then
1213   iconv_support="no"
1214 else
1215   iconv_support="yes"
1216 fi
1217 echo " Iconv support .................: $iconv_support"
1218
1219 if test x$want_asm = xfalse; then
1220   summary_asm="no"
1221 else
1222   summary_asm="yes"
1223 fi
1224 echo " Assembler optimizations .......: $summary_asm"
1225
1226 #ifdef SILC_DIST_MATH
1227 mp="MPI"
1228 if test x$mp_gmp = xtrue; then
1229   mp="GMP"
1230 fi
1231 echo " Arithmetic library ............: $mp"
1232 #endif SILC_DIST_MATH
1233
1234 threads="no"
1235 if test x$has_threads = xtrue; then
1236   threads="yes"
1237 fi
1238 echo " Multi-threads support .........: $threads"
1239 echo " Debugging enabled .............: $summary_debug"
1240 echo ""
1241 echo "Compile the sources with 'make' or 'gmake' command."
1242 #endif SILC_DIST_COMPILER
1243