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