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 "$host_cpu" = "sparc64"; then
 318   AC_MSG_CHECKING(whether to enable GCC 2.x workaround for SHA1)
 319   AC_TRY_COMPILE(
 320     [
 321       #if defined(__sparc64__) && (__GNUC__ == 2)
 322       #else
 323       choke me
 324       #endif
 325     ],
 326     [],
 327     [
 328       FIX_SHA1=''
 329       AC_MSG_RESULT(yes)
 330     ],
 331       AC_MSG_RESULT(no)
 332     )
 333 fi
 334 AC_SUBST(FIX_SHA1)
 335 #endif SILC_DIST_COMPILER
 336
 337 ##
 338 ##  Installation
 339 ##
 340
 341 # Default installation destination
 342 #
 343 #ifdef SILC_DIST_AUTODIST
 344 AC_PREFIX_DEFAULT(/usr/local)
 345 #else !SILC_DIST_AUTODIST
 346 #ifdef SILC_DIST_SILCMAP
 347 AC_PREFIX_DEFAULT(/usr/local)
 348 #else !SILC_DIST_SILCMAP
 349 AC_PREFIX_DEFAULT(/usr/local/silc)
 350 #endif SILC_DIST_SILCMAP
 351 #endif SILC_DIST_AUTODIST
 352 if test "x$prefix" != xNONE; then
 353   silc_prefix="$prefix"
 354 else
 355   silc_prefix="$ac_default_prefix"
 356 fi
 357
 358 #ifndef SILC_DIST_AUTODIST
 359 # etc directory
 360 #
 361 if test "x$sysconfdir" != 'x${prefix}/etc'; then
 362   ETCDIR="$sysconfdir"
 363 else
 364   ETCDIR="$silc_prefix/etc"
 365 fi
 366
 367 AC_ARG_WITH(etcdir,
 368   [[  --with-etcdir=DIR       directory for system files [/etc/silc]]],
 369   [
 370     case "$withval" in
 371       no|yes)
 372         ;;
 373       *)
 374         ETCDIR="$withval"
 375         ;;
 376     esac
 377   ])
 378 AC_SUBST(ETCDIR)
 379 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
 380
 381 # doc directory
 382 #
 383 DOCDIR="$silc_prefix/doc"
 384 AC_ARG_WITH(docdir,
 385   [[  --with-docdir=DIR       directory for SILC documentation [PREFIX/doc]]],
 386   [
 387     case "$withval" in
 388       no|yes)
 389         ;;
 390       *)
 391         DOCDIR="$withval"
 392         ;;
 393     esac
 394   ])
 395 AC_SUBST(DOCDIR)
 396 AC_DEFINE_UNQUOTED([SILC_DOCDIR], "$DOCDIR", [SILC_DOCDIR])
 397 #endif SILC_DIST_AUTODIST
 398
 399 #ifdef SILC_DIST_CLIENT
 400 # help directory
 401 #
 402 HELPDIR="$silc_prefix/help"
 403 AC_ARG_WITH(helpdir,
 404   [[  --with-helpdir=DIR      directory for SILC help files [PREFIX/help]]],
 405   [
 406     case "$withval" in
 407       no|yes)
 408         ;;
 409       *)
 410        HELPDIR="$withval"
 411        ;;
 412     esac
 413   ])
 414 AC_SUBST(HELPDIR)
 415 AC_DEFINE_UNQUOTED([SILC_HELPDIR], "$HELPDIR", [SILC_HELPDIR])
 416 #endif SILC_DIST_CLIENT
 417
 418 #ifdef SILC_DIST_SIM
 419 # SIM modules directory
 420 #
 421 MODULESDIR="$silc_prefix/modules"
 422 AC_ARG_WITH(simdir,
 423   [[  --with-simdir=DIR       directory for SIM modules [PREFIX/modules]]],
 424   [
 425     case "$withval" in
 426       no|yes)
 427         ;;
 428       *)
 429         MODULESDIR="$withval"
 430         ;;
 431     esac
 432   ])
 433 AC_SUBST(MODULESDIR)
 434 AC_DEFINE_UNQUOTED([SILC_MODULESDIR], "$MODULESDIR", [SILC_MODULESDIR])
 435 #endif SILC_DIST_SIM
 436
 437 #ifdef SILC_DIST_COMPILER
 438 ##
 439 ##  With/without checkings
 440 ##
 441
 442 #
 443 # SILC library checking
 444 compile_libs=true
 445
 446 #ifndef SILC_DIST_TOOLKIT
 447 AC_ARG_WITH(silc-includes,
 448   [  --with-silc-includes=DIR SILC Toolkit includes [search in DIR]],
 449   [ac_silc_includes="$withval"], [ac_silc_includes="no"])
 450 AC_ARG_WITH(silc-libs,
 451   [  --with-silc-libs=DIR     SILC Toolkit libraries [search in DIR]],
 452   [ac_silc_libs="$withval"], [ac_silc_libs="no"])
 453
 454 if test -n "$with_silc_includes" || test -n "$with_silc_libs"; then
 455
 456   # Manually provided libs
 457   if test "$ac_silc_includes" != "no"; then
 458     compile_libs=false
 459     SILC_LIB_INCLUDES="-I$ac_silc_includes"
 460   fi
 461   if test "$ac_silc_libs" != "no"; then
 462     compile_libs=false
 463     LIBS="$LIBS -L$ac_silc_libs"
 464   fi
 465
 466   # Check libs to link against
 467   f=`$EGREP __SILC_HAVE_PTHREAD $ac_silc_includes/silcincludes.h`
 468   if test -n "$f"; then
 469     LIBS="$LIBS -lpthread"
 470     check_threads=false
 471     has_threads=true
 472   fi
 473   f=`$EGREP __SILC_HAVE_SIM $ac_silc_includes/silcincludes.h`
 474   if test -n "$f"; then
 475     LIBS="$LIBS -ldl"
 476   fi
 477
 478 else
 479   # pkg-config check
 480 #ifdef SILC_DIST_SILCMAP
 481   PKG_CHECK_MODULES(SILC, silc, compile_libs=false)
 482   PKG_CHECK_MODULES(SILCCLIENT, silcclient, compile_libs=false)
 483 #else !SILC_DIST_SILCMAP
 484   PKG_CHECK_MODULES(SILC, silc, compile_libs=false, compile_libs=true)
 485   PKG_CHECK_MODULES(SILCCLIENT, silcclient, compile_libs=false, compile_libs=true)
 486 #endif SILC_DIST_SILCMAP
 487
 488   if test x$compile_libs = xfalse; then
 489     LIBS="$LIBS $SILC_LIBS"
 490     CFLAGS="$CFLAGS $SILC_CFLAGS"
 491     LIBS="$LIBS $SILCCLIENT_LIBS"
 492     CFLAGS="$CFLAGS $SILCCLIENT_CFLAGS"
 493   fi
 494 fi
 495 #endif SILC_DIST_TOOLKIT
 496
 497 # SOCKS4 support checking
 498 #
 499 SAVE_LIBS="$LIBS"
 500 SAVE_CFLAGS="$CFLAGS"
 501 SAVE_LDFLAGS="$LDFLAGS"
 502 AC_MSG_CHECKING(whether to support SOCKS4)
 503 AC_ARG_WITH(socks4,
 504   [[  --with-socks4[=DIR]     with SOCKS4 support [search in DIR/lib and DIR/include]]],
 505   [
 506     case "$withval" in
 507       no)
 508         AC_MSG_RESULT(no)
 509         ;;
 510       *)
 511         AC_MSG_RESULT(yes)
 512         socks=4
 513
 514         if test -d "$withval/include"; then
 515           CFLAGS="$CFLAGS -I$withval/include"
 516         fi
 517         if test -d "$withval/lib"; then
 518           LDFLAGS="$LDFLAGS -L$withval/lib"
 519         fi
 520
 521         LIBS="-lsocks $LIBS"
 522         ;;
 523     esac
 524
 525     AC_TRY_LINK([],
 526       [
 527         Rconnect();
 528       ], [],
 529       [
 530         AC_MSG_ERROR(Could not find SOCKS4 library.)
 531         LIBS="$SAVE_LIBS"
 532         CFLAGS="$SAVE_CFLAGS"
 533         LDFLAGS="$SAVE_LDFLAGS"
 534       ])
 535   ],
 536     AC_MSG_RESULT(no)
 537   )
 538
 539 # SOCKS5 support checking
 540 #
 541 SAVE_LIBS="$LIBS"
 542 SAVE_CFLAGS="$CFLAGS"
 543 SAVE_LDFLAGS="$LDFLAGS"
 544 AC_MSG_CHECKING(whether to support SOCKS5)
 545 AC_ARG_WITH(socks5,
 546   [[  --with-socks5[=DIR]     with SOCKS5 support [search in DIR/lib and DIR/include]]],
 547   [
 548     case "$withval" in
 549       no)
 550         AC_MSG_RESULT(no)
 551         ;;
 552       *)
 553         AC_MSG_RESULT(yes)
 554         socks=5
 555
 556         if test -d "$withval/include"; then
 557           CFLAGS="$CFLAGS -I$withval/include"
 558         fi
 559         if test -d "$withval/lib"; then
 560           LDFLAGS="$LDFLAGS -L$withval/lib"
 561         fi
 562
 563         LIBS="-lsocks5 $LIBS"
 564         ;;
 565     esac
 566
 567     AC_TRY_LINK([],
 568       [
 569         SOCKSconnect();
 570       ], [],
 571       [
 572         AC_MSG_ERROR(Could not find SOCKS5 library.)
 573         LIBS="$SAVE_LIBS"
 574         CFLAGS="$SAVE_CFLAGS"
 575         LDFLAGS="$SAVE_LDFLAGS"
 576       ])
 577   ],
 578     AC_MSG_RESULT(no)
 579   )
 580
 581 if test "x$socks" = "x4"; then
 582   AC_DEFINE([SOCKS], [], [Socks])
 583   CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
 584 fi
 585
 586 if test "x$socks" = "x5"; then
 587   AC_DEFINE([SOCKS], [], [Socks])
 588   AC_DEFINE([SOCKS5], [], [Socks5])
 589   AC_DEFINE([Rconnect], [SOCKSconnect], [Socks])
 590   AC_DEFINE([Rgetsockname], [SOCKSgetsockname], [Socks])
 591   AC_DEFINE([Rgetpeername], [SOCKSgetpeername], [Socks])
 592   AC_DEFINE([Rbind], [SOCKSbind], [Socks])
 593   AC_DEFINE([Raccept], [SOCKSaccept], [Socks])
 594   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 595   AC_DEFINE([Rselect], [SOCKSselect], [Socks])
 596   AC_DEFINE([Rrecvfrom], [SOCKSrecvfrom], [Socks])
 597   AC_DEFINE([Rsendto], [SOCKSsendto], [Socks])
 598   AC_DEFINE([Rrecv], [SOCKSrecv], [Socks])
 599   AC_DEFINE([Rsend], [SOCKSsend], [Socks])
 600   AC_DEFINE([Rread], [SOCKSread], [Socks])
 601   AC_DEFINE([Rwrite], [SOCKSwrite], [Socks])
 602   AC_DEFINE([Rrresvport], [SOCKSrresvport], [Socks])
 603   AC_DEFINE([Rshutdown], [SOCKSshutdown], [Socks])
 604   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 605   AC_DEFINE([Rclose], [SOCKSclose], [Socks])
 606   AC_DEFINE([Rdup], [SOCKSdup], [Socks])
 607   AC_DEFINE([Rdup2], [SOCKSdup2], [Socks])
 608   AC_DEFINE([Rfclose], [SOCKSfclose], [Socks])
 609   AC_DEFINE([Rgethostbyname], [SOCKSgethostbyname], [Socks])
 610 fi
 611
 612 #ifdef SILC_DIST_MATH
 613 # MP library checking. First check whether user wants to use GMP and use
 614 # it if found. If not or not defined then compile the MPI library in the
 615 # source tree.
 616 #
 617 mp_gmp=false
 618 SAVE_LIBS="$LIBS"
 619 SAVE_CFLAGS="$CFLAGS"
 620 SAVE_LDFLAGS="$LDFLAGS"
 621 AC_MSG_CHECKING(whether to search for GMP)
 622 AC_ARG_WITH(gmp,
 623   [[  --with-gmp[=DIR]        use GMP instead of MPI [search in DIR/lib and DIR/include]]],
 624   [
 625     case "$withval" in
 626       no)
 627         AC_MSG_RESULT(no)
 628         ;;
 629       *)
 630         AC_MSG_RESULT(yes)
 631
 632         if test -d "$withval/include"; then
 633           CFLAGS="$CFLAGS -I$withval/include"
 634         fi
 635         if test -d "$withval/lib"; then
 636           LDFLAGS="$LDFLAGS -L$withval/lib"
 637         fi
 638
 639         LIBS="-lgmp $LIBS"
 640         ;;
 641     esac
 642
 643     AC_CHECK_LIB(gmp, __gmpz_init,
 644       [
 645         mp_gmp=true
 646         AC_DEFINE([SILC_MP_GMP], [], [GMP])
 647         AC_MSG_RESULT(Using GMP as a MP library.)
 648       ],
 649       [
 650         LIBS="$SAVE_LIBS"
 651         CFLAGS="$SAVE_CFLAGS"
 652         LDFLAGS="$SAVE_LDFLAGS"
 653       ])
 654   ],
 655     AC_MSG_RESULT(no)
 656   )
 657
 658 AM_CONDITIONAL(SILC_MP_GMP, test x$mp_gmp = xtrue)
 659 AM_CONDITIONAL(SILC_MP_NSS_MPI, test x$mp_gmp = xfalse)
 660 if test x$mp_gmp = xfalse; then
 661   AC_DEFINE([SILC_MP_NSS_MPI], [], [MPI])
 662   AC_MSG_RESULT(Using NSS MPI as a MP library.)
 663 fi
 664 #endif SILC_DIST_MATH
 665
 666 # iconv support
 667 #
 668 check_iconv=true
 669 has_iconv=false
 670 SAVE_LIBS="$LIBS"
 671 SAVE_CFLAGS="$CFLAGS"
 672 SAVE_LDFLAGS="$LDFLAGS"
 673 SAVE_CPPFLAGS="$CPPFLAGS"
 674 AC_MSG_CHECKING(whether to implicit search for libiconv)
 675 AC_ARG_WITH(iconv,
 676   [[  --with-iconv[=DIR]      use libiconv [search in DIR/include and DIR/lib]]],
 677   [
 678     case "${withval}" in
 679       no)
 680         AC_MSG_RESULT(no)
 681         AC_CHECK_HEADERS(iconv.h,
 682           [
 683             AC_CHECK_FUNC(iconv, has_iconv=true)
 684           ])
 685         check_iconv=false
 686         ;;
 687       *)
 688         AC_MSG_RESULT(yes)
 689         if test -d $withval/include; then
 690           CPPFLAGS="$CPPFLAGS -I$withval/include"
 691           CFLAGS="$CFLAGS -I$withval/include"
 692         fi
 693         if test -d $withval/lib; then
 694           LDFLAGS="$LDFLAGS -L$withval/lib"
 695         fi
 696         ;;
 697     esac
 698   ],
 699   [
 700     AC_MSG_RESULT(no)
 701     AC_CHECK_HEADERS(iconv.h,
 702       [
 703         AC_CHECK_FUNCS(iconv,
 704           [
 705             has_iconv=true
 706             check_iconv=false
 707           ])
 708       ])
 709   ])
 710
 711 if test x$check_iconv = xtrue; then
 712   AC_MSG_RESULT(Searching for iconv...)
 713
 714   # XXX
 715   unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 716
 717   AC_CHECK_HEADERS(iconv.h,
 718     [
 719       LIBS="$LIBS -liconv"
 720       AC_MSG_CHECKING(for iconv in -liconv)
 721       AC_TRY_LINK(
 722         [
 723           #include <stdlib.h>
 724           #include <iconv.h>
 725         ],
 726         [
 727           iconv_t cd = iconv_open("", "");
 728           iconv(cd, NULL, NULL, NULL, NULL);
 729           iconv_close(cd);
 730         ],
 731         [
 732           echo "yes"
 733           AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 734           has_iconv=true
 735           check_iconv=false
 736         ],
 737         [
 738           echo "no"
 739           LIBS="$SAVE_LIBS"
 740           CFLAGS="$SAVE_CFLAGS"
 741           LDFLAGS="$SAVE_LDFLAGS"
 742           CPPFLAGS="$SAVE_CPPFLAGS"
 743         ])
 744      ])
 745 fi
 746
 747 if test x$check_iconv = xtrue; then
 748   # search for iconv library..
 749   SAVE_LIBS="$LIBS"
 750   SAVE_CFLAGS="$CFLAGS"
 751   SAVE_LDFLAGS="$LDFLAGS"
 752   SAVE_CPPFLAGS="$CPPFLAGS"
 753
 754   for dir in `echo "/usr/local /usr/pkg /usr/contrib"`; do
 755     if test x$has_iconv = xfalse; then
 756       AC_MSG_RESULT(searching in $dir...)
 757
 758       if test -d $dir/include; then
 759         CPPFLAGS="$CPPFLAGS -I$dir/include"
 760         CFLAGS="$CFLAGS -I$dir/include"
 761       fi
 762       if test -d $dir/lib; then
 763         LDFLAGS="$LDFLAGS -L$dir/lib"
 764       fi
 765
 766       # XXX
 767       unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 768
 769       AC_CHECK_HEADERS(iconv.h,
 770         [
 771           LIBS="$LIBS -liconv"
 772           AC_MSG_CHECKING(for iconv in -liconv)
 773           AC_TRY_LINK(
 774             [
 775               #include <stdlib.h>
 776               #include <iconv.h>
 777             ],
 778             [
 779               iconv_t cd = iconv_open("", "");
 780               iconv(cd, NULL, NULL, NULL, NULL);
 781               iconv_close(cd);
 782             ],
 783             [
 784               echo "yes"
 785               has_iconv=true
 786               AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 787             ],
 788             [
 789               echo "no"
 790               has_iconv=false
 791
 792               LIBS="$SAVE_LIBS"
 793               CFLAGS="$SAVE_CFLAGS"
 794               LDFLAGS="$SAVE_LDFLAGS"
 795               CPPFLAGS="$SAVE_CPPFLAGS"
 796             ])
 797          ],
 798          [
 799            CFLAGS="$SAVE_CFLAGS"
 800            LDFLAGS="$SAVE_LDFLAGS"
 801            CPPFLAGS="$SAVE_CPPFLAGS"
 802          ])
 803       fi
 804     done
 805 fi
 806
 807 if test x$has_iconv = xtrue; then
 808   # (1) Some implementations of iconv won't convert from UTF-8 to UTF-8.
 809   # (2) In glibc-2.1.2 and earlier there is a bug that messes up ob and
 810   #     obl when args 2 and 3 are 0 (fixed in glibc-2.1.3).
 811   #
 812   AC_CACHE_CHECK([whether this iconv is good enough], ac_iconv_good,
 813     AC_TRY_RUN(
 814       [
 815         #include <iconv.h>
 816         int main() {
 817           iconv_t cd;
 818         changequote(, )dnl
 819           char buf[4];
 820         changequote([, ])dnl
 821           char *ob;
 822           size_t obl;
 823           ob = buf, obl = sizeof(buf);
 824           return ((cd = iconv_open("UTF-8", "UTF-8")) != (iconv_t)(-1) &&
 825                  (iconv(cd, 0, 0, &ob, &obl) ||
 826                  !(ob == buf && obl == sizeof(buf)) ||
 827                  iconv_close(cd)));
 828         }
 829       ],
 830       [
 831         ac_iconv_good=yes
 832       ],
 833       [
 834         ac_iconv_good=no
 835       ],
 836       [
 837         ac_iconv_good=yes
 838       ])
 839     )
 840
 841   if test x$ac_iconv_good = xno; then
 842     AC_MSG_RESULT(Try using libiconv instead.)
 843   fi
 844 fi
 845
 846 # POSIX threads support
 847 #
 848 AC_MSG_CHECKING(whether to search for POSIX threads)
 849 AC_ARG_WITH(pthreads,
 850   [[  --with-pthreads[=DIR]   use POSIX threads [search in DIR/include and DIR/lib]]],
 851   [
 852     case "${withval}" in
 853       no)
 854         check_threads=false
 855         ;;
 856       *)
 857         if test -d $withval/include; then
 858           CPPFLAGS="$CPPFLAGS -I$withval/include"
 859           CFLAGS="$CFLAGS -I$withval/include"
 860         fi
 861         if test -d $withval/lib; then
 862           LDFLAGS="$LDFLAGS -L$withval/lib"
 863         fi
 864
 865         check_threads=true
 866         ;;
 867     esac
 868   ])
 869
 870 if test x$check_threads = xtrue; then
 871   has_threads=false
 872   SAVE_LIBS="$LIBS"
 873   SAVE_CFLAGS="$CFLAGS"
 874   SAVE_LDFLAGS="$LDFLAGS"
 875   SAVE_CPPFLAGS="$CPPFLAGS"
 876
 877   AC_MSG_RESULT(yes)
 878   AC_CHECK_HEADERS(pthread.h,
 879     [
 880       LIBS="$LIBS -lpthread"
 881       AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 882         [
 883           # FreeBSD
 884           case "${target}" in
 885             *-*-freebsd*)
 886               LIBS="$SAVE_LIBS -pthread"
 887               AC_CHECK_LIB(c_r, pthread_attr_init, has_threads=true, LIBS="$SAVE_LIBS")
 888               ;;
 889             *)
 890               LIBS="$SAVE_LIBS"
 891               ;;
 892           esac
 893         ])
 894     ],
 895     [
 896       # search for pthread library..
 897       for dir in `echo "/usr/local /usr/pkg /usr/contrib /usr/pkg/pthreads /usr/local/pthreads"`; do
 898         if test x$has_threads = xfalse; then
 899           AC_MSG_RESULT(searching in $dir...)
 900
 901           if test -d $dir/include; then
 902             CPPFLAGS="$CPPFLAGS -I$dir/include"
 903             CFLAGS="$CFLAGS -I$dir/include"
 904           fi
 905           if test -d $dir/lib; then
 906             LDFLAGS="$LDFLAGS -L$dir/lib"
 907           fi
 908
 909           # XXX
 910           unset ac_cv_header__pthread_h_ ac_cv_header_pthread_h || true
 911
 912           AC_CHECK_HEADERS(pthread.h,
 913             [
 914               LIBS="$LIBS -lpthread"
 915               AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 916                 [
 917                   has_threads=false
 918
 919                   LIBS="$SAVE_LIBS"
 920                   CFLAGS="$SAVE_CFLAGS"
 921                   LDFLAGS="$SAVE_LDFLAGS"
 922                   CPPFLAGS="$SAVE_CPPFLAGS"
 923                 ])
 924             ],
 925             [
 926               CFLAGS="$SAVE_CFLAGS"
 927               LDFLAGS="$SAVE_LDFLAGS"
 928               CPPFLAGS="$SAVE_CPPFLAGS"
 929             ])
 930         fi
 931       done
 932     ])
 933 else
 934   AC_MSG_RESULT(no)
 935   has_threads=false
 936 fi
 937
 938 __SILC_HAVE_PTHREAD=""
 939 AM_CONDITIONAL(SILC_THREADS, test x$has_threads = xtrue)
 940 if test x$has_threads = xtrue; then
 941   CFLAGS="$CFLAGS -D_REENTRANT"
 942
 943   # XXX possibly incomplete
 944   case "${target}" in
 945     *-*-aix*)
 946       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 947       if test x"$GCC" = xyes; then
 948         CFLAGS="$CFLAGS -mthreads"
 949       fi
 950       ;;
 951     *-*-freebsd*)
 952       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 953       ;;
 954     *-*-sysv5uw7*)  # UnixWare 7
 955       if test "$GCC" != "yes"; then
 956         CFLAGS="$CFLAGS -Kthread"
 957       else
 958         CFLAGS="$CFLAGS -pthread"
 959       fi
 960       ;;
 961     *-dg-dgux*)  # DG/UX
 962       CFLAGS="$CFLAGS -D_POSIX4A_DRAFT10_SOURCE"
 963       ;;
 964    esac
 965
 966   AC_CHECK_FUNC(pthread_create)
 967   AC_DEFINE([SILC_HAVE_PTHREAD], [], [HAVE_PTHREAD])
 968   AC_DEFINE([SILC_THREADS], [], [HAVE_THREAD])
 969   __SILC_HAVE_PTHREAD="#define __SILC_HAVE_PTHREAD 1"
 970 fi
 971
 972 # Native WIN32 compilation under cygwin
 973 #
 974 AC_MSG_CHECKING(whether to compile native WIN32 code)
 975 AC_ARG_WITH(win32,
 976   [  --with-win32            compile native WIN32 (MinGW) code (-mno-cygwin)],
 977   [
 978     AC_MSG_RESULT(yes)
 979     AC_DEFINE([SILC_WIN32], [], [SILC_WIN32])
 980     win32_support=true
 981     CFLAGS="-mno-cygwin $CFLAGS"
 982     LIBS="$LIBS -lwsock32"
 983   ],
 984   [
 985     AC_MSG_RESULT(no)
 986   ])
 987 AM_CONDITIONAL(SILC_WIN32, test x$win32_support = xtrue)
 988
 989 # Native EPOC support (disabled by default)
 990 #
 991 AM_CONDITIONAL(SILC_EPOC, test xfalse = xtrue)
 992
 993 # Native BeOS support (disabled by default)
 994 #
 995 AM_CONDITIONAL(SILC_BEOS, test xfalse = xtrue)
 996
 997 # Native OS2 support (disabled by default)
 998 #
 999 AM_CONDITIONAL(SILC_OS2, test xfalse = xtrue)
1000
1001 #ifdef SILC_DIST_TOOLKIT
1002 # --without-irssi
1003 #
1004 without_irssi=false
1005 AC_MSG_CHECKING(whether to compile Irssi SILC Client)
1006 AC_ARG_WITH(irssi,
1007   [  --without-irssi         compile without Irssi SILC Client],
1008   [
1009     AC_MSG_RESULT(no)
1010     without_irssi=true
1011   ],
1012   [
1013     AC_MSG_RESULT(yes)
1014   ])
1015
1016 # --without-silcd
1017 #
1018 without_silcd=false
1019 AC_MSG_CHECKING(whether to compile SILC Server)
1020 AC_ARG_WITH(silcd,
1021   [  --without-silcd         compile without SILC Server],
1022   [
1023     AC_MSG_RESULT(no)
1024     without_silcd=true
1025   ],
1026   [
1027     AC_MSG_RESULT(yes)
1028   ])
1029 #endif SILC_DIST_TOOLKIT
1030
1031 #ifdef SILC_DIST_CLIENT
1032 # Irssi perl support
1033 #
1034 AC_ARG_WITH(perl,
1035   [[  --with-perl[=yes|no|module]  Build with Perl support - also specifies
1036                                if it should be built into main silc binary
1037                                (static, default) or as a module]])
1038 #endif SILC_DIST_CLIENT
1039
1040 libtoolfix=true
1041 AC_MSG_CHECKING(whether to do libtoolfix)
1042 AC_ARG_WITH(libtoolfix,
1043   [  --without-libtoolfix    Do not fix libtool, for package builders],
1044   [
1045     AC_MSG_RESULT(no)
1046     libtoolfix=false
1047   ],
1048   [
1049     AC_MSG_RESULT(yes)
1050   ])
1051
1052 AC_SUBST(ETCDIR)
1053 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
1054
1055 #endif SILC_DIST_COMPILER
1056
1057 ##
1058 ##  Misc
1059 ##
1060
1061 # Make enable-shared aware
1062 AM_CONDITIONAL(SILC_ENABLE_SHARED, test "$enable_shared" = yes)
1063
1064 # Other configure scripts
1065 #
1066
1067 #ifdef SILC_DIST_TOOLKIT
1068 if test x$without_irssi = xfalse; then
1069 #endif SILC_DIST_TOOLKIT
1070 #ifdef SILC_DIST_CLIENT
1071   AC_CONFIG_SUBDIRS(irssi)
1072   irssi="yes"
1073 #endif SILC_DIST_CLIENT
1074 #ifdef SILC_DIST_TOOLKIT
1075 fi
1076 #endif SILC_DIST_TOOLKIT
1077
1078 SILC_TOP_SRCDIR=`pwd`
1079
1080 # Included configure scripts
1081 AD_INCLUDE_CONFIGURE
1082
1083 #ifdef SILC_DIST_COMPILER
1084 #
1085 # Substitutions
1086 #
1087 AC_SUBST(SILC_TOP_SRCDIR)
1088 AC_SUBST(LIBS)
1089 AC_SUBST(SILC_LIB_INCLUDES)
1090 AC_SUBST(__SILC_HAVE_PTHREAD)
1091 AC_SUBST(__SILC_HAVE_SIM)
1092 AC_SUBST(__SILC_ENABLE_DEBUG)
1093
1094 #
1095 # Fix the libtool to support run-time configuration.  This allows us
1096 # to in run-time specify when to compile shared/static libraries without
1097 # need to reconfigure the entire libtool.
1098 #
1099 if test x$libtoolfix = xtrue; then
1100   ./libtoolfix $SILC_TOP_SRCDIR/ltmain.sh
1101 fi
1102 AM_CONDITIONAL(SILC_LIBTOOLFIX, test x$libtoolfix = xtrue)
1103
1104 INCLUDE_DEFINES_INT="include \$(top_srcdir)/Makefile.defines_int"
1105 AC_SUBST(INCLUDE_DEFINES_INT)
1106
1107 #endif SILC_DIST_COMPILER
1108
1109 #
1110 # Makefile outputs
1111 #
1112 AC_CONFIG_FILES(
1113 Makefile
1114 #ifdef SILC_DIST_DOC
1115 doc/Makefile
1116 #endif SILC_DIST_DOC
1117 #ifdef SILC_DIST_COMPILER
1118 Makefile.defines
1119 Makefile.defines_int
1120 includes/Makefile
1121 includes/silcversion.h
1122 includes/silcincludes.h
1123 #endif SILC_DIST_COMPILER
1124 #ifdef SILC_DIST_APPS
1125 apps/Makefile
1126 #endif SILC_DIST_APPS
1127 )
1128
1129 #ifdef SILC_DIST_TOOLKIT
1130 if test x$without_irssi = xfalse ; then
1131 #endif SILC_DIST_TOOLKIT
1132 #ifdef SILC_DIST_CLIENT
1133   AC_CONFIG_FILES(
1134 irssi/Makefile.defines
1135 irssi/Makefile.defines_int
1136 )
1137 #endif SILC_DIST_CLIENT
1138 #ifdef SILC_DIST_TOOLKIT
1139 fi
1140 #endif SILC_DIST_TOOLKIT
1141
1142 #ifdef SILC_DIST_TOOLKIT
1143 AC_CONFIG_FILES(
1144 silc/Makefile
1145 win32/Makefile
1146 win32/libsilc/Makefile
1147 win32/libsilcclient/Makefile
1148 tutorial/Makefile
1149 tutorial/Makefile.defines
1150 tutorial/Makefile.defines_int
1151 )
1152 #endif SILC_DIST_TOOLKIT
1153
1154 AC_OUTPUT
1155
1156 #ifdef SILC_DIST_COMPILER
1157 s_bindir=`eval echo $bindir`;s_bindir=`eval echo $s_bindir`
1158 s_sbindir=`eval echo $sbindir`;s_sbindir=`eval echo $s_sbindir`
1159 s_mandir=`eval echo $mandir`;s_mandir=`eval echo $s_mandir`
1160 s_includedir=`eval echo $includedir`;s_includedir=`eval echo $s_includedir`
1161
1162 echo ""
1163 echo "$PACKAGE Configuration Summary:"
1164 echo "---------------------------"
1165 echo " Target host ...................: $target"
1166 echo " Compiler ......................: $CC"
1167 echo " CFLAGS ........................: $CFLAGS"
1168 echo " LDFLAGS .......................: $LDFLAGS"
1169 echo " LIBS ..........................: $LIBS"
1170 echo ""
1171 echo " Installation prefix ...........: $prefix"
1172 echo " bin directory .................: $s_bindir"
1173 echo " sbin directory ................: $s_sbindir"
1174 echo " etc directory .................: $ETCDIR"
1175 echo " man directory .................: $s_mandir"
1176 #ifdef SILC_DIST_DOC
1177 echo " doc directory .................: $DOCDIR"
1178 #endif SILC_DIST_DOC
1179 #ifdef SILC_DIST_CLIENT
1180 echo " help directory ................: $HELPDIR"
1181 #endif SILC_DIST_CLIENT
1182 #ifdef SILC_DIST_SERVER
1183 echo " logs directory ................: $LOGSDIR"
1184 #endif SILC_DIST_SERVER
1185 #ifdef SILC_DIST_SIM
1186 echo " SIM directory .................: $MODULESDIR"
1187 #endif SILC_DIST_SIM
1188 #ifdef SILC_DIST_INCLUDES
1189 echo " include directory .............: $s_includedir"
1190 #endif SILC_DIST_INCLUDES
1191 echo ""
1192
1193 #ifdef SILC_DIST_TOOLKIT
1194 if test x$without_irssi = xtrue; then
1195   irssi="no"
1196 fi
1197 if test x$without_silcd = xtrue; then
1198   silcd="no"
1199 fi
1200 #endif SILC_DIST_TOOLKIT
1201
1202 #ifdef SILC_DIST_CLIENT
1203 echo " Compile SILC Client ...........: $irssi"
1204 #endif SILC_DIST_CLIENT
1205
1206 #ifdef SILC_DIST_SERVER
1207 echo " Compile SILC Server ...........: $silcd"
1208 echo " Server configuration file .....: $summary_silcd_configfile"
1209 echo " Server PID file ...............: $PIDFILE"
1210 #endif SILC_DIST_SERVER
1211
1212 #ifdef SILC_DIST_SIM
1213 if test x$sim_support = xfalse; then
1214   sim_support="no"
1215 else
1216   sim_support="yes"
1217 fi
1218 echo " SIM support ...................: $sim_support"
1219 #endif SILC_DIST_SIM
1220
1221 echo " IPv6 support ..................: $summary_ipv6"
1222
1223 if test x$has_iconv = xfalse; then
1224   iconv_support="no"
1225 else
1226   iconv_support="yes"
1227 fi
1228 echo " Iconv support .................: $iconv_support"
1229
1230 if test x$want_asm = xfalse; then
1231   summary_asm="no"
1232 else
1233   summary_asm="yes"
1234 fi
1235 echo " Assembler optimizations .......: $summary_asm"
1236
1237 #ifdef SILC_DIST_MATH
1238 mp="MPI"
1239 if test x$mp_gmp = xtrue; then
1240   mp="GMP"
1241 fi
1242 echo " Arithmetic library ............: $mp"
1243 #endif SILC_DIST_MATH
1244
1245 threads="no"
1246 if test x$has_threads = xtrue; then
1247   threads="yes"
1248 fi
1249 echo " Multi-threads support .........: $threads"
1250 echo " Debugging enabled .............: $summary_debug"
1251 echo ""
1252 echo "Compile the sources with 'make' or 'gmake' command."
1253 #endif SILC_DIST_COMPILER
1254