configure.ad

   1 #
   2 #  configure.ad
   3 #
   4 #  Author: Pekka Riikonen <priikone@silcnet.org>
   5 #
   6 #  Copyright (C) 2000 - 2006 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 "$target" in
  36   *-*-freebsd*)
  37     check_threads=true
  38     ;;
  39   *-*-*bsd*)
  40     check_threads=false
  41     ;;
  42   *)
  43     check_threads=true
  44     ;;
  45 esac
  46
  47 # Get CPU
  48 case "$host_cpu" in
  49   i386)
  50     AC_DEFINE([SILC_I386], [], [SILC_I386])
  51     ;;
  52   i?86)
  53     AC_DEFINE([SILC_I486], [], [SILC_I486])
  54     ;;
  55   x86_64)
  56     AC_DEFINE([SILC_X86_64], [], [SILC_X86_64])
  57     ;;
  58   powerpc*)
  59     AC_DEFINE([SILC_POWERPC], [], [SILC_POWERPC])
  60     ;;
  61   ia64)
  62     AC_DEFINE([SILC_IA64], [], [SILC_IA64])
  63     ;;
  64 esac
  65
  66 # Control compiler optimizations
  67 CFLAGS=`echo $CFLAGS | sed 's/-O[ 0123456789s]*//g'`
  68
  69 AC_PROG_CC
  70 AC_C_INLINE
  71 AC_C_CONST
  72
  73 __SILC_HAVE_PTHREAD=""
  74 __SILC_HAVE_SIM=""
  75 __SILC_ENABLE_DEBUG=""
  76
  77 AC_PROG_RANLIB
  78 #ifndef SILC_DIST_TOOLKIT
  79 AC_DISABLE_SHARED
  80 #endif SILC_DIST_TOOLKIT
  81 #ifdef SILC_DIST_INPLACE
  82 AC_DISABLE_SHARED
  83 #endif SILC_DIST_INPLACE
  84 AC_PROG_LIBTOOL
  85
  86 # Header checking
  87 #
  88 AC_HEADER_STDC
  89 AC_HEADER_TIME
  90 AC_HEADER_STAT
  91
  92 # More header checking
  93 #
  94 AC_CHECK_HEADERS(unistd.h string.h getopt.h errno.h fcntl.h assert.h)
  95 AC_CHECK_HEADERS(sys/types.h sys/stat.h sys/time.h stddef.h)
  96 AC_CHECK_HEADERS(netinet/in.h netinet/tcp.h xti.h netdb.h sys/resource.h)
  97 AC_CHECK_HEADERS(pwd.h grp.h termcap.h paths.h)
  98 AC_CHECK_HEADERS(ncurses.h signal.h ctype.h utime.h)
  99 AC_CHECK_HEADERS(arpa/inet.h sys/mman.h limits.h termios.h locale.h langinfo.h)
 100
 101 # Data type checking
 102 #
 103 AC_TYPE_SIGNAL
 104 AC_TYPE_SIZE_T
 105 AC_TYPE_MODE_T
 106 AC_TYPE_UID_T
 107 AC_TYPE_PID_T
 108
 109 AC_CHECK_SIZEOF(long long, 0)
 110 AC_SUBST(SILC_SIZEOF_LONG_LONG, $ac_cv_sizeof_long_long)
 111 AC_CHECK_SIZEOF(long, 0)
 112 AC_SUBST(SILC_SIZEOF_LONG, $ac_cv_sizeof_long)
 113 AC_CHECK_SIZEOF(int, 0)
 114 AC_SUBST(SILC_SIZEOF_INT, $ac_cv_sizeof_int)
 115 AC_CHECK_SIZEOF(short, 0)
 116 AC_SUBST(SILC_SIZEOF_SHORT, $ac_cv_sizeof_short)
 117 AC_CHECK_SIZEOF(char, 0)
 118 AC_SUBST(SILC_SIZEOF_CHAR, $ac_cv_sizeof_char)
 119 AC_CHECK_SIZEOF(void *, 0)
 120 AC_SUBST(SILC_SIZEOF_VOID_P, $ac_cv_sizeof_void_p)
 121
 122 # Function and library checking
 123 #
 124 AC_CHECK_FUNC(gethostbyname, [],
 125   [
 126     AC_CHECK_LIB(nsl, gethostbyname, LIBS="$LIBS -lnsl")
 127     AC_CHECK_FUNC(res_gethostbyname, [],
 128        AC_CHECK_LIB(resolv, res_gethostbyname, LIBS="$LIBS -lresolv")
 129     )
 130   ])
 131 AC_CHECK_FUNC(socket, [],
 132   AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
 133 )
 134 AC_CHECK_FUNCS(gethostname gethostbyaddr getservbyname getservbyport)
 135 AC_CHECK_FUNCS(poll select listen bind shutdown close connect setsockopt)
 136 AC_CHECK_FUNCS(setrlimit time ctime utime gettimeofday getrusage)
 137 AC_CHECK_FUNCS(chmod fcntl stat fstat getenv putenv strerror)
 138 AC_CHECK_FUNCS(getpid getgid getsid getpgid getpgrp getuid)
 139 AC_CHECK_FUNCS(setgroups initgroups nl_langinfo)
 140 AC_CHECK_FUNCS(strchr strstr strcpy strncpy memcpy memset memmove)
 141
 142 #ifdef SILC_DIST_SIM
 143 # SIM support checking
 144 # XXX These needs to be changed as more supported platforms appear.
 145 # XXX This probably needs to be made platform dependant check.
 146 #
 147 sim_support=false
 148 AC_MSG_CHECKING(for SIM support)
 149 AC_MSG_RESULT()
 150 AC_CHECK_HEADERS(dlfcn.h,
 151   [
 152     AC_CHECK_LIB(dl, dlopen,
 153       [
 154         AC_DEFINE([SILC_SIM], [], [HAVE_SIM])
 155         sim_support=true
 156         LIBS="$LIBS -ldl"
 157       ],
 158       [
 159         AC_CHECK_LIB(c, dlopen,
 160           [
 161             AC_DEFINE([SILC_SIM], [], [HAVE_SIM])
 162             sim_support=true
 163           ])
 164       ])
 165    ])
 166
 167 AM_CONDITIONAL(SILC_SIM, test x$sim_support = xtrue)
 168 if test x$sim_support = xtrue; then
 169   AC_MSG_RESULT(Enabled SIM support.)
 170   __SILC_HAVE_SIM="#define __SILC_HAVE_SIM 1"
 171 else
 172   AC_MSG_RESULT(No SIM support found.)
 173 fi
 174 #endif SILC_DIST_SIM
 175
 176 # lib/contrib conditionals
 177 #
 178 AC_CHECK_HEADER(regex.h,
 179   [
 180     AC_DEFINE([HAVE_REGEX_H], [], [HAVE_REGEX_H])
 181     have_regex=1
 182   ], have_regex=0
 183 )
 184 AM_CONDITIONAL(HAVE_REGEX, test x$have_regex = x1)
 185
 186 AC_CHECK_FUNC(getopt_long,
 187   [
 188     AC_DEFINE([HAVE_GETOPT_LONG], [], [HAVE_GETOPT_LONG])
 189     have_getopt_long=1
 190   ], have_getopt_long=0
 191 )
 192
 193 AC_CHECK_FUNC(getopt,
 194   [
 195     AC_DEFINE([HAVE_GETOPT], [], [HAVE_GETOPT])
 196     have_getopt=1
 197   ], have_getopt=0
 198 )
 199
 200 ##
 201 ##  Enable/disable checking
 202 ##
 203
 204 # IPv6 support
 205 #
 206 AC_MSG_CHECKING(whether to enable IPv6 support)
 207 AC_ARG_ENABLE(ipv6,
 208   [  --enable-ipv6           enable IPv6 support],
 209   [
 210     case "${enableval}" in
 211       yes)
 212         want_ipv6=true
 213         check_ipv6=false
 214         summary_ipv6="yes"
 215         AC_DEFINE([HAVE_IPV6], [], [HAVE_IPV6])
 216         AC_MSG_RESULT(yes)
 217         ;;
 218       *)
 219         want_ipv6=false
 220         check_ipv6=false
 221         summary_ipv6="no"
 222         AC_MSG_RESULT(no)
 223         ;;
 224     esac
 225   ],
 226     check_ipv6=true
 227   )
 228
 229 if test x$check_ipv6 = xtrue; then
 230   summary_ipv6="no"
 231   AC_TRY_COMPILE(
 232     [
 233       #ifdef HAVE_SYS_TYPES_H
 234       #include <sys/types.h>
 235       #endif
 236       #ifdef HAVE_NETINET_TCP_H
 237       #include <netinet/tcp.h>
 238       #endif
 239       #ifdef HAVE_NETDB_H
 240       #include <netdb.h>
 241       #endif
 242       #include <sys/socket.h>
 243       #ifdef HAVE_NETINET_IN_H
 244       #include <netinet/in.h>
 245       #endif
 246     ],
 247     [
 248       struct sockaddr_in6 sin6;
 249       int family = AF_INET6;
 250     ],
 251     [
 252       AC_DEFINE([HAVE_IPV6], [], [HAVE_IPV6])
 253       AC_MSG_RESULT(yes)
 254       summary_ipv6="yes"
 255     ],
 256       AC_MSG_RESULT(no)
 257     )
 258 fi
 259
 260 # Debug checking
 261 #
 262 AC_MSG_CHECKING(whether to enable debugging)
 263 summary_debug="no"
 264 __SILC_ENABLE_DEBUG=""
 265 AC_ARG_ENABLE(debug,
 266   [  --enable-debug          enable debugging],
 267   [
 268     case "${enableval}" in
 269       yes)
 270         AC_MSG_RESULT(yes)
 271         AC_DEFINE([SILC_DEBUG], [], [enable-debug])
 272         summary_debug="yes"
 273         __SILC_ENABLE_DEBUG="#define __SILC_ENABLE_DEBUG 1"
 274         ;;
 275       *)
 276         AC_MSG_RESULT(no)
 277         ;;
 278     esac
 279   ],
 280   [
 281     AC_MSG_RESULT(no)
 282   ])
 283
 284 # Disable all assembler optimizations
 285 #
 286 AC_MSG_CHECKING(whether to enable assembler optimizations)
 287 want_asm=true
 288 AC_ARG_ENABLE(asm,
 289   [  --disable-asm           do not use assembler optimizations],
 290   [
 291     AC_MSG_RESULT(no)
 292     want_asm=false
 293   ],
 294   [
 295     AC_MSG_RESULT(yes)
 296     want_asm=true
 297   ])
 298
 299 ##
 300 ## Compiler and compiler flag checks
 301 ##
 302
 303 # Function to check if compiler flag works
 304 # Usage: SILC_ADD_CFLAGS(FLAGS, [ACTION-IF-FAILED])
 305 AC_DEFUN([SILC_ADD_CFLAGS],
 306 [ tmp_CFLAGS="$CFLAGS"
 307   CFLAGS="$CFLAGS $1"
 308   AC_MSG_CHECKING(whether $CC accepts $1 flag)
 309   AC_TRY_LINK([], [], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
 310                                        CFLAGS="$tmp_CFLAGS"
 311                                        $2])
 312   unset tmp_CFLAGS
 313 ])
 314
 315 # Function to check if compiler flag works, destination specifiable
 316 # Usage: SILC_ADD_CC_FLAGS(VAR, FLAGS, [ACTION-IF-FAILED])
 317 AC_DEFUN([SILC_ADD_CC_FLAGS],
 318 [ tmp_CFLAGS="$1_CFLAGS"
 319   $1_CFLAGS="${$1_CFLAGS} $2"
 320   AC_MSG_CHECKING(whether $CC accepts $2 flag)
 321   AC_TRY_LINK([], [], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)
 322                                        $1_CFLAGS="$tmp_CFLAGS"
 323                                        $3])
 324   unset tmp_CFLAGS
 325 ])
 326
 327 if test "$GCC"; then
 328   # GCC specific options
 329   if test "x$summary_debug" = "xyes"; then
 330     SILC_ADD_CFLAGS(-g -O)
 331   else
 332     SILC_ADD_CFLAGS(-g -O2)
 333   fi
 334   SILC_ADD_CFLAGS(-Wall -finline-functions)
 335   SILC_ADD_CFLAGS(-Wno-pointer-sign)
 336 else
 337   # Other compilers
 338   case "$target" in
 339     alpha*-dec-osf*)
 340       SILC_ADD_CFLAGS(-g3 -O2, SILC_ADD_CFLAGS(-g3 -O, SILC_ADD_CFLAGS(-O)))
 341       ;;
 342     mips*-sgi-irix*)
 343       SILC_ADD_CFLAGS(-g3 -O2, SILC_ADD_CFLAGS(-g3 -O, SILC_ADD_CFLAGS(-O)))
 344       ;;
 345     *)
 346       SILC_ADD_CFLAGS(-g)
 347       SILC_ADD_CFLAGS(-O2, SILC_ADD_CFLAGS(-O))
 348       ;;
 349   esac
 350
 351   # Intel C++ Compiler needs -restrict
 352   if test "x$CC" = "xicc"; then
 353     SILC_ADD_CFLAGS(-restrict)
 354   fi
 355 fi
 356
 357 #
 358 # Workaround a bug in GCC 2.x which causes memory exhaustion
 359 # when compiling sha1 with optimizations on UltraSPARC.
 360 #
 361 FIX_SHA1='#'
 362 if test "$GCC" -a "$host_cpu" = "sparc64"; then
 363   AC_MSG_CHECKING(whether to enable GCC 2.x workaround for SHA1)
 364   AC_TRY_COMPILE(
 365     [
 366       #if defined(__sparc64__) && (__GNUC__ == 2)
 367       #else
 368       choke me
 369       #endif
 370     ],
 371     [],
 372     [
 373       FIX_SHA1=''
 374       AC_MSG_RESULT(yes)
 375     ],
 376       AC_MSG_RESULT(no)
 377     )
 378 fi
 379 AC_SUBST(FIX_SHA1)
 380 #endif SILC_DIST_COMPILER
 381
 382 ##
 383 ##  Installation
 384 ##
 385
 386 # Default installation destination
 387 #
 388 #ifdef SILC_DIST_AUTODIST
 389 AC_PREFIX_DEFAULT(/usr/local)
 390 #else !SILC_DIST_AUTODIST
 391 AC_PREFIX_DEFAULT(/usr/local/silc)
 392 #endif SILC_DIST_AUTODIST
 393 if test "x$prefix" != xNONE; then
 394   silc_prefix="$prefix"
 395 else
 396   silc_prefix="$ac_default_prefix"
 397 fi
 398
 399 #ifndef SILC_DIST_AUTODIST
 400 # etc directory
 401 #
 402 if test "x$sysconfdir" != 'x${prefix}/etc'; then
 403   ETCDIR="$sysconfdir"
 404 else
 405   ETCDIR="$silc_prefix/etc"
 406 fi
 407
 408 AC_ARG_WITH(etcdir,
 409   [[  --with-etcdir=DIR       directory for system files [/etc/silc]]],
 410   [
 411     case "$withval" in
 412       no|yes)
 413         ;;
 414       *)
 415         ETCDIR="$withval"
 416         ;;
 417     esac
 418   ])
 419 AC_SUBST(ETCDIR)
 420 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
 421
 422 # doc directory
 423 #
 424 DOCDIR="$silc_prefix/doc"
 425 AC_ARG_WITH(docdir,
 426   [[  --with-docdir=DIR       directory for SILC documentation [PREFIX/doc]]],
 427   [
 428     case "$withval" in
 429       no|yes)
 430         ;;
 431       *)
 432         DOCDIR="$withval"
 433         ;;
 434     esac
 435   ])
 436 AC_SUBST(DOCDIR)
 437 AC_DEFINE_UNQUOTED([SILC_DOCDIR], "$DOCDIR", [SILC_DOCDIR])
 438 #endif SILC_DIST_AUTODIST
 439
 440 #ifdef SILC_DIST_COMPILER
 441 ##
 442 ##  With/without checkings
 443 ##
 444
 445 #
 446 # SILC library checking
 447 compile_libs=true
 448 LIBSUBDIR=lib
 449
 450 #ifndef SILC_DIST_TOOLKIT
 451 AC_ARG_WITH(silc-includes,
 452   [  --with-silc-includes=DIR SILC Toolkit includes [search in DIR]],
 453   [ac_silc_includes="$withval"], [ac_silc_includes="no"])
 454 AC_ARG_WITH(silc-libs,
 455   [  --with-silc-libs=DIR     SILC Toolkit libraries [search in DIR]],
 456   [ac_silc_libs="$withval"], [ac_silc_libs="no"])
 457
 458 if test -n "$with_silc_includes" || test -n "$with_silc_libs"; then
 459
 460   # Manually provided libs
 461   if test "$ac_silc_includes" != "no"; then
 462     compile_libs=false
 463     SILC_LIB_INCLUDES="-I$ac_silc_includes"
 464     LIBSUBDIR=
 465   fi
 466   if test "$ac_silc_libs" != "no"; then
 467     compile_libs=false
 468     LIBSUBDIR=
 469     LIBS="$LIBS -L$ac_silc_libs"
 470   fi
 471
 472   # Check libs to link against
 473   f=`$EGREP __SILC_HAVE_PTHREAD $ac_silc_includes/silc.h`
 474   if test -n "$f"; then
 475     LIBS="$LIBS -lpthread"
 476     check_threads=false
 477     has_threads=true
 478   fi
 479   f=`$EGREP __SILC_HAVE_SIM $ac_silc_includes/silc.h`
 480   if test -n "$f"; then
 481     LIBS="$LIBS -ldl"
 482   fi
 483
 484 else
 485   # pkg-config check
 486   PKG_CHECK_MODULES(SILC, silc, compile_libs=false, compile_libs=true)
 487 #ifdef SILC_DIST_CLIENTLIB
 488   PKG_CHECK_MODULES(SILCCLIENT, silcclient, compile_libs=false, compile_libs=true)
 489 #endif SILC_DIST_CLIENTLIB
 490 #ifdef SILC_DIST_SERVERLIB
 491   PKG_CHECK_MODULES(SILCSERVER, silcserver, compile_libs=false, compile_libs=true)
 492 #endif SILC_DIST_SERVERLIB
 493
 494   if test x$compile_libs = xfalse; then
 495     LIBSUBDIR=
 496     LIBS="$LIBS $SILC_LIBS"
 497     CFLAGS="$CFLAGS $SILC_CFLAGS"
 498 #ifdef SILC_DIST_CLIENTLIB
 499     LIBS="$LIBS $SILCCLIENT_LIBS"
 500     CFLAGS="$CFLAGS $SILCCLIENT_CFLAGS"
 501 #endif SILC_DIST_CLIENTLIB
 502 #ifdef SILC_DIST_SERVERLIB
 503     LIBS="$LIBS $SILCSERVER_LIBS"
 504     CFLAGS="$CFLAGS $SILCSERVER_CFLAGS"
 505 #endif SILC_DIST_SERVERLIB
 506   fi
 507 fi
 508 #endif SILC_DIST_TOOLKIT
 509
 510 AC_SUBST(LIBSUBDIR)
 511
 512 # SOCKS4 support checking
 513 #
 514 SAVE_LIBS="$LIBS"
 515 SAVE_CFLAGS="$CFLAGS"
 516 SAVE_LDFLAGS="$LDFLAGS"
 517 AC_MSG_CHECKING(whether to support SOCKS4)
 518 AC_ARG_WITH(socks4,
 519   [[  --with-socks4[=DIR]     with SOCKS4 support [search in DIR/lib and DIR/include]]],
 520   [
 521     case "$withval" in
 522       no)
 523         AC_MSG_RESULT(no)
 524         ;;
 525       *)
 526         AC_MSG_RESULT(yes)
 527         socks=4
 528
 529         if test -d "$withval/include"; then
 530           CFLAGS="$CFLAGS -I$withval/include"
 531         fi
 532         if test -d "$withval/lib"; then
 533           LDFLAGS="$LDFLAGS -L$withval/lib"
 534         fi
 535
 536         LIBS="-lsocks $LIBS"
 537         ;;
 538     esac
 539
 540     AC_TRY_LINK([],
 541       [
 542         Rconnect();
 543       ], [],
 544       [
 545         AC_MSG_ERROR(Could not find SOCKS4 library.)
 546         LIBS="$SAVE_LIBS"
 547         CFLAGS="$SAVE_CFLAGS"
 548         LDFLAGS="$SAVE_LDFLAGS"
 549       ])
 550   ],
 551     AC_MSG_RESULT(no)
 552   )
 553
 554 # SOCKS5 support checking
 555 #
 556 SAVE_LIBS="$LIBS"
 557 SAVE_CFLAGS="$CFLAGS"
 558 SAVE_LDFLAGS="$LDFLAGS"
 559 AC_MSG_CHECKING(whether to support SOCKS5)
 560 AC_ARG_WITH(socks5,
 561   [[  --with-socks5[=DIR]     with SOCKS5 support [search in DIR/lib and DIR/include]]],
 562   [
 563     case "$withval" in
 564       no)
 565         AC_MSG_RESULT(no)
 566         ;;
 567       *)
 568         AC_MSG_RESULT(yes)
 569         socks=5
 570
 571         if test -d "$withval/include"; then
 572           CFLAGS="$CFLAGS -I$withval/include"
 573         fi
 574         if test -d "$withval/lib"; then
 575           LDFLAGS="$LDFLAGS -L$withval/lib"
 576         fi
 577
 578         LIBS="-lsocks5 $LIBS"
 579         ;;
 580     esac
 581
 582     AC_TRY_LINK([],
 583       [
 584         SOCKSconnect();
 585       ], [],
 586       [
 587         AC_MSG_ERROR(Could not find SOCKS5 library.)
 588         LIBS="$SAVE_LIBS"
 589         CFLAGS="$SAVE_CFLAGS"
 590         LDFLAGS="$SAVE_LDFLAGS"
 591       ])
 592   ],
 593     AC_MSG_RESULT(no)
 594   )
 595
 596 if test "x$socks" = "x4"; then
 597   AC_DEFINE([SOCKS], [], [Socks])
 598   CFLAGS="$CFLAGS -Dconnect=Rconnect -Dgetsockname=Rgetsockname -Dbind=Rbind -Daccept=Raccept -Dlisten=Rlisten -Dselect=Rselect"
 599 fi
 600
 601 if test "x$socks" = "x5"; then
 602   AC_DEFINE([SOCKS], [], [Socks])
 603   AC_DEFINE([SOCKS5], [], [Socks5])
 604   AC_DEFINE([Rconnect], [SOCKSconnect], [Socks])
 605   AC_DEFINE([Rgetsockname], [SOCKSgetsockname], [Socks])
 606   AC_DEFINE([Rgetpeername], [SOCKSgetpeername], [Socks])
 607   AC_DEFINE([Rbind], [SOCKSbind], [Socks])
 608   AC_DEFINE([Raccept], [SOCKSaccept], [Socks])
 609   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 610   AC_DEFINE([Rselect], [SOCKSselect], [Socks])
 611   AC_DEFINE([Rrecvfrom], [SOCKSrecvfrom], [Socks])
 612   AC_DEFINE([Rsendto], [SOCKSsendto], [Socks])
 613   AC_DEFINE([Rrecv], [SOCKSrecv], [Socks])
 614   AC_DEFINE([Rsend], [SOCKSsend], [Socks])
 615   AC_DEFINE([Rread], [SOCKSread], [Socks])
 616   AC_DEFINE([Rwrite], [SOCKSwrite], [Socks])
 617   AC_DEFINE([Rrresvport], [SOCKSrresvport], [Socks])
 618   AC_DEFINE([Rshutdown], [SOCKSshutdown], [Socks])
 619   AC_DEFINE([Rlisten], [SOCKSlisten], [Socks])
 620   AC_DEFINE([Rclose], [SOCKSclose], [Socks])
 621   AC_DEFINE([Rdup], [SOCKSdup], [Socks])
 622   AC_DEFINE([Rdup2], [SOCKSdup2], [Socks])
 623   AC_DEFINE([Rfclose], [SOCKSfclose], [Socks])
 624   AC_DEFINE([Rgethostbyname], [SOCKSgethostbyname], [Socks])
 625 fi
 626
 627 #ifdef SILC_DIST_MATH
 628 # MP library checking. First check whether user wants to use GMP and use
 629 # it if found. If not or not defined then compile the default library in the
 630 # source tree.
 631 #
 632 mp_gmp=false
 633 SAVE_LIBS="$LIBS"
 634 SAVE_CFLAGS="$CFLAGS"
 635 SAVE_LDFLAGS="$LDFLAGS"
 636 AC_MSG_CHECKING(whether to search for GMP)
 637 AC_ARG_WITH(gmp,
 638   [[  --with-gmp[=DIR]        use GMP instead of SILC Math [search in DIR/lib and DIR/include]]],
 639   [
 640     case "$withval" in
 641       no)
 642         AC_MSG_RESULT(no)
 643         ;;
 644       *)
 645         AC_MSG_RESULT(yes)
 646
 647         if test -d "$withval/include"; then
 648           CFLAGS="$CFLAGS -I$withval/include"
 649         fi
 650         if test -d "$withval/lib"; then
 651           LDFLAGS="$LDFLAGS -L$withval/lib"
 652         fi
 653
 654         LIBS="-lgmp $LIBS"
 655         ;;
 656     esac
 657
 658     AC_CHECK_LIB(gmp, __gmpz_init,
 659       [
 660         mp_gmp=true
 661         AC_DEFINE([SILC_MP_GMP], [], [GMP])
 662         AC_MSG_RESULT(Using GMP as a MP library.)
 663       ],
 664       [
 665         LIBS="$SAVE_LIBS"
 666         CFLAGS="$SAVE_CFLAGS"
 667         LDFLAGS="$SAVE_LDFLAGS"
 668       ])
 669   ],
 670     AC_MSG_RESULT(no)
 671   )
 672
 673 AM_CONDITIONAL(SILC_MP_GMP, test x$mp_gmp = xtrue)
 674 AM_CONDITIONAL(SILC_MP_SILCMATH, test x$mp_gmp = xfalse)
 675 if test x$mp_gmp = xfalse; then
 676   AC_DEFINE([SILC_MP_SILCMATH], [], [SILCMATH])
 677   AC_MSG_RESULT(Using SILC Math as a MP library.)
 678 fi
 679 #endif SILC_DIST_MATH
 680
 681 # iconv support
 682 #
 683 check_iconv=true
 684 has_iconv=false
 685 SAVE_LIBS="$LIBS"
 686 SAVE_CFLAGS="$CFLAGS"
 687 SAVE_LDFLAGS="$LDFLAGS"
 688 SAVE_CPPFLAGS="$CPPFLAGS"
 689 AC_MSG_CHECKING(whether to implicit search for libiconv)
 690 AC_ARG_WITH(iconv,
 691   [[  --with-iconv[=DIR]      use libiconv [search in DIR/include and DIR/lib]]],
 692   [
 693     case "${withval}" in
 694       no)
 695         AC_MSG_RESULT(no)
 696         AC_CHECK_HEADERS(iconv.h,
 697           [
 698             AC_CHECK_FUNC(iconv, has_iconv=true)
 699           ])
 700         check_iconv=false
 701         ;;
 702       *)
 703         AC_MSG_RESULT(yes)
 704         if test -d $withval/include; then
 705           CPPFLAGS="$CPPFLAGS -I$withval/include"
 706           CFLAGS="$CFLAGS -I$withval/include"
 707         fi
 708         if test -d $withval/lib; then
 709           LDFLAGS="$LDFLAGS -L$withval/lib"
 710         fi
 711         ;;
 712     esac
 713   ],
 714   [
 715     AC_MSG_RESULT(no)
 716     AC_CHECK_HEADERS(iconv.h,
 717       [
 718         AC_CHECK_FUNCS(iconv,
 719           [
 720             has_iconv=true
 721             check_iconv=false
 722           ])
 723       ])
 724   ])
 725
 726 if test x$check_iconv = xtrue; then
 727   AC_MSG_RESULT(Searching for iconv...)
 728
 729   # XXX
 730   unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 731
 732   AC_CHECK_HEADERS(iconv.h,
 733     [
 734       LIBS="$LIBS -liconv"
 735       AC_MSG_CHECKING(for iconv in -liconv)
 736       AC_TRY_LINK(
 737         [
 738           #include <stdlib.h>
 739           #include <iconv.h>
 740         ],
 741         [
 742           iconv_t cd = iconv_open("", "");
 743           iconv(cd, NULL, NULL, NULL, NULL);
 744           iconv_close(cd);
 745         ],
 746         [
 747           echo "yes"
 748           AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 749           has_iconv=true
 750           check_iconv=false
 751         ],
 752         [
 753           echo "no"
 754           LIBS="$SAVE_LIBS"
 755           CFLAGS="$SAVE_CFLAGS"
 756           LDFLAGS="$SAVE_LDFLAGS"
 757           CPPFLAGS="$SAVE_CPPFLAGS"
 758         ])
 759      ])
 760 fi
 761
 762 if test x$check_iconv = xtrue; then
 763   # search for iconv library..
 764   SAVE_LIBS="$LIBS"
 765   SAVE_CFLAGS="$CFLAGS"
 766   SAVE_LDFLAGS="$LDFLAGS"
 767   SAVE_CPPFLAGS="$CPPFLAGS"
 768
 769   for dir in `echo "/usr/local /usr/pkg /usr/contrib"`; do
 770     if test x$has_iconv = xfalse; then
 771       AC_MSG_RESULT(searching in $dir...)
 772
 773       if test -d $dir/include; then
 774         CPPFLAGS="$CPPFLAGS -I$dir/include"
 775         CFLAGS="$CFLAGS -I$dir/include"
 776       fi
 777       if test -d $dir/lib; then
 778         LDFLAGS="$LDFLAGS -L$dir/lib"
 779       fi
 780
 781       # XXX
 782       unset ac_cv_header__iconv_h_ ac_cv_header_iconv_h || true
 783
 784       AC_CHECK_HEADERS(iconv.h,
 785         [
 786           LIBS="$LIBS -liconv"
 787           AC_MSG_CHECKING(for iconv in -liconv)
 788           AC_TRY_LINK(
 789             [
 790               #include <stdlib.h>
 791               #include <iconv.h>
 792             ],
 793             [
 794               iconv_t cd = iconv_open("", "");
 795               iconv(cd, NULL, NULL, NULL, NULL);
 796               iconv_close(cd);
 797             ],
 798             [
 799               echo "yes"
 800               has_iconv=true
 801               AC_DEFINE([HAVE_ICONV], [], [Define if you have the iconv() function.])
 802             ],
 803             [
 804               echo "no"
 805               has_iconv=false
 806
 807               LIBS="$SAVE_LIBS"
 808               CFLAGS="$SAVE_CFLAGS"
 809               LDFLAGS="$SAVE_LDFLAGS"
 810               CPPFLAGS="$SAVE_CPPFLAGS"
 811             ])
 812          ],
 813          [
 814            CFLAGS="$SAVE_CFLAGS"
 815            LDFLAGS="$SAVE_LDFLAGS"
 816            CPPFLAGS="$SAVE_CPPFLAGS"
 817          ])
 818       fi
 819     done
 820 fi
 821
 822 if test x$has_iconv = xtrue; then
 823   # (1) Some implementations of iconv won't convert from UTF-8 to UTF-8.
 824   # (2) In glibc-2.1.2 and earlier there is a bug that messes up ob and
 825   #     obl when args 2 and 3 are 0 (fixed in glibc-2.1.3).
 826   #
 827   AC_CACHE_CHECK([whether this iconv is good enough], ac_iconv_good,
 828     AC_TRY_RUN(
 829       [
 830         #include <iconv.h>
 831         int main() {
 832           iconv_t cd;
 833         changequote(, )dnl
 834           char buf[4];
 835         changequote([, ])dnl
 836           char *ob;
 837           size_t obl;
 838           ob = buf, obl = sizeof(buf);
 839           return ((cd = iconv_open("UTF-8", "UTF-8")) != (iconv_t)(-1) &&
 840                  (iconv(cd, 0, 0, &ob, &obl) ||
 841                  !(ob == buf && obl == sizeof(buf)) ||
 842                  iconv_close(cd)));
 843         }
 844       ],
 845       [
 846         ac_iconv_good=yes
 847       ],
 848       [
 849         ac_iconv_good=no
 850       ],
 851       [
 852         ac_iconv_good=yes
 853       ])
 854     )
 855
 856   if test x$ac_iconv_good = xno; then
 857     AC_MSG_RESULT(Try using libiconv instead.)
 858   fi
 859 fi
 860
 861 # POSIX threads support
 862 #
 863 AC_MSG_CHECKING(whether to search for POSIX threads)
 864 AC_ARG_WITH(pthreads,
 865   [[  --with-pthreads[=DIR]   use POSIX threads [search in DIR/include and DIR/lib]]],
 866   [
 867     case "${withval}" in
 868       no)
 869         check_threads=false
 870         ;;
 871       *)
 872         if test -d $withval/include; then
 873           CPPFLAGS="$CPPFLAGS -I$withval/include"
 874           CFLAGS="$CFLAGS -I$withval/include"
 875         fi
 876         if test -d $withval/lib; then
 877           LDFLAGS="$LDFLAGS -L$withval/lib"
 878         fi
 879
 880         check_threads=true
 881         ;;
 882     esac
 883   ])
 884
 885 if test x$check_threads = xtrue; then
 886   has_threads=false
 887   SAVE_LIBS="$LIBS"
 888   SAVE_CFLAGS="$CFLAGS"
 889   SAVE_LDFLAGS="$LDFLAGS"
 890   SAVE_CPPFLAGS="$CPPFLAGS"
 891
 892   AC_MSG_RESULT(yes)
 893   AC_CHECK_HEADERS(pthread.h,
 894     [
 895       LIBS="$LIBS -lpthread"
 896       AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 897         [
 898           # FreeBSD
 899           case "${target}" in
 900             *-*-freebsd*)
 901               LIBS="$SAVE_LIBS -pthread"
 902               AC_CHECK_LIB(c_r, pthread_attr_init, has_threads=true, LIBS="$SAVE_LIBS")
 903               ;;
 904             *)
 905               LIBS="$SAVE_LIBS"
 906               ;;
 907           esac
 908         ])
 909     ],
 910     [
 911       # search for pthread library..
 912       for dir in `echo "/usr/local /usr/pkg /usr/contrib /usr/pkg/pthreads /usr/local/pthreads"`; do
 913         if test x$has_threads = xfalse; then
 914           AC_MSG_RESULT(searching in $dir...)
 915
 916           if test -d $dir/include; then
 917             CPPFLAGS="$CPPFLAGS -I$dir/include"
 918             CFLAGS="$CFLAGS -I$dir/include"
 919           fi
 920           if test -d $dir/lib; then
 921             LDFLAGS="$LDFLAGS -L$dir/lib"
 922           fi
 923
 924           # XXX
 925           unset ac_cv_header__pthread_h_ ac_cv_header_pthread_h || true
 926
 927           AC_CHECK_HEADERS(pthread.h,
 928             [
 929               LIBS="$LIBS -lpthread"
 930               AC_CHECK_LIB(pthread, pthread_attr_init, has_threads=true,
 931                 [
 932                   has_threads=false
 933
 934                   LIBS="$SAVE_LIBS"
 935                   CFLAGS="$SAVE_CFLAGS"
 936                   LDFLAGS="$SAVE_LDFLAGS"
 937                   CPPFLAGS="$SAVE_CPPFLAGS"
 938                 ])
 939             ],
 940             [
 941               CFLAGS="$SAVE_CFLAGS"
 942               LDFLAGS="$SAVE_LDFLAGS"
 943               CPPFLAGS="$SAVE_CPPFLAGS"
 944             ])
 945         fi
 946       done
 947     ])
 948 else
 949   AC_MSG_RESULT(no)
 950   has_threads=false
 951 fi
 952
 953 __SILC_HAVE_PTHREAD=""
 954 AM_CONDITIONAL(SILC_THREADS, test x$has_threads = xtrue)
 955 if test x$has_threads = xtrue; then
 956   CFLAGS="$CFLAGS -D_REENTRANT"
 957
 958   # XXX possibly incomplete
 959   case "${target}" in
 960     *-*-aix*)
 961       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 962       if test x"$GCC" = xyes; then
 963         CFLAGS="$CFLAGS -mthreads"
 964       fi
 965       ;;
 966     *-*-freebsd*)
 967       CFLAGS="$CFLAGS -D_THREAD_SAFE"
 968       ;;
 969     *-*-sysv5uw7*)  # UnixWare 7
 970       if test "$GCC" != "yes"; then
 971         CFLAGS="$CFLAGS -Kthread"
 972       else
 973         CFLAGS="$CFLAGS -pthread"
 974       fi
 975       ;;
 976     *-dg-dgux*)  # DG/UX
 977       CFLAGS="$CFLAGS -D_POSIX4A_DRAFT10_SOURCE"
 978       ;;
 979    esac
 980
 981   AC_CHECK_FUNC(pthread_create)
 982   AC_DEFINE([SILC_HAVE_PTHREAD], [], [HAVE_PTHREAD])
 983   AC_DEFINE([SILC_THREADS], [], [HAVE_THREAD])
 984   __SILC_HAVE_PTHREAD="#define __SILC_HAVE_PTHREAD 1"
 985 fi
 986
 987 # Native WIN32 compilation under cygwin
 988 #
 989 AC_MSG_CHECKING(whether to compile native WIN32 code)
 990 AC_ARG_WITH(win32,
 991   [  --with-win32            compile native WIN32 (MinGW) code (-mno-cygwin)],
 992   [
 993     AC_MSG_RESULT(yes)
 994     AC_DEFINE([SILC_WIN32], [], [SILC_WIN32])
 995     win32_support=true
 996     CFLAGS="-mno-cygwin $CFLAGS"
 997     LIBS="$LIBS -lwsock32"
 998   ],
 999   [
1000     AC_MSG_RESULT(no)
1001   ])
1002 AM_CONDITIONAL(SILC_WIN32, test x$win32_support = xtrue)
1003
1004 # Native EPOC support (disabled by default)
1005 #
1006 AM_CONDITIONAL(SILC_EPOC, test xfalse = xtrue)
1007
1008 # Native BeOS support (disabled by default)
1009 #
1010 AM_CONDITIONAL(SILC_BEOS, test xfalse = xtrue)
1011
1012 # Native OS2 support (disabled by default)
1013 #
1014 AM_CONDITIONAL(SILC_OS2, test xfalse = xtrue)
1015
1016 #ifdef SILC_DIST_TOOLKIT
1017 # --with-irssi
1018 #
1019 without_irssi=true
1020 AC_MSG_CHECKING(whether to compile Irssi SILC Client)
1021 AC_ARG_WITH(irssi,
1022   [  --with-irssi            compile with Irssi SILC Client],
1023   [
1024     AC_MSG_RESULT(yes)
1025     without_irssi=false
1026   ],
1027   [
1028     AC_MSG_RESULT(no)
1029     without_irssi=true
1030   ])
1031 AM_CONDITIONAL(with_irssi, test xwithout_irssi = xfalse)
1032
1033 # --with-silcd
1034 #
1035 without_silcd=true
1036 AC_MSG_CHECKING(whether to compile SILC Server)
1037 AC_ARG_WITH(silcd,
1038   [  --with-silcd            compile with SILC Server],
1039   [
1040     AC_MSG_RESULT(yes)
1041     without_silcd=false
1042   ],
1043   [
1044     AC_MSG_RESULT(no)
1045     without_silcd=true
1046   ])
1047 #endif SILC_DIST_TOOLKIT
1048 #ifdef SILC_DIST_INPLACE
1049 without_irssi=false
1050 without_silcd=false
1051 #endif SILC_DIST_INPLACE
1052
1053 libtoolfix=true
1054 AC_MSG_CHECKING(whether to do libtoolfix)
1055 AC_ARG_WITH(libtoolfix,
1056   [  --without-libtoolfix    Do not fix libtool, for package builders],
1057   [
1058     AC_MSG_RESULT(no)
1059     libtoolfix=false
1060   ],
1061   [
1062     AC_MSG_RESULT(yes)
1063   ])
1064
1065 AC_SUBST(ETCDIR)
1066 AC_DEFINE_UNQUOTED([SILC_ETCDIR], "$ETCDIR", [SILC_ETCDIR])
1067 #endif SILC_DIST_COMPILER
1068
1069 ##
1070 ##  Misc
1071 ##
1072
1073 # Make enable-shared aware
1074 AM_CONDITIONAL(SILC_ENABLE_SHARED, test "$enable_shared" = yes)
1075
1076 SILC_TOP_SRCDIR=`pwd`
1077
1078 # Included configure scripts
1079 AD_INCLUDE_CONFIGURE
1080
1081 #ifdef SILC_DIST_COMPILER
1082 #
1083 # Substitutions
1084 #
1085 AC_SUBST(SILC_TOP_SRCDIR)
1086 AC_SUBST(LIBS)
1087 AC_SUBST(SILC_LIB_INCLUDES)
1088 AC_SUBST(__SILC_HAVE_PTHREAD)
1089 AC_SUBST(__SILC_HAVE_SIM)
1090 AC_SUBST(__SILC_ENABLE_DEBUG)
1091
1092 #
1093 # Fix the libtool to support run-time configuration.  This allows us
1094 # to in run-time specify when to compile shared/static libraries without
1095 # need to reconfigure the entire libtool.
1096 #
1097 if test x$libtoolfix = xtrue; then
1098   ./libtoolfix $SILC_TOP_SRCDIR/ltmain.sh
1099 fi
1100 AM_CONDITIONAL(SILC_LIBTOOLFIX, test x$libtoolfix = xtrue)
1101
1102 INCLUDE_DEFINES_INT="include \$(top_srcdir)/Makefile.defines_int"
1103 AC_SUBST(INCLUDE_DEFINES_INT)
1104
1105 #endif SILC_DIST_COMPILER
1106
1107 #
1108 # Makefile outputs
1109 #
1110 AC_CONFIG_FILES(
1111 Makefile
1112 #ifdef SILC_DIST_DOC
1113 doc/Makefile
1114 #endif SILC_DIST_DOC
1115 #ifdef SILC_DIST_COMPILER
1116 Makefile.defines
1117 Makefile.defines_int
1118 includes/Makefile
1119 includes/silcversion.h
1120 includes/silc.h
1121 #endif SILC_DIST_COMPILER
1122 #ifdef SILC_DIST_APPS
1123 apps/Makefile
1124 #endif SILC_DIST_APPS
1125 )
1126
1127 #ifdef SILC_DIST_TOOLKIT
1128 AC_CONFIG_FILES(
1129 win32/Makefile
1130 win32/libsilc/Makefile
1131 win32/libsilcclient/Makefile
1132 tutorial/Makefile
1133 tutorial/Makefile.defines
1134 tutorial/Makefile.defines_int
1135 )
1136 #endif SILC_DIST_TOOLKIT
1137
1138 AC_OUTPUT
1139
1140 #ifdef SILC_DIST_COMPILER
1141 s_bindir=`eval echo $bindir`;s_bindir=`eval echo $s_bindir`
1142 s_sbindir=`eval echo $sbindir`;s_sbindir=`eval echo $s_sbindir`
1143 s_mandir=`eval echo $mandir`;s_mandir=`eval echo $s_mandir`
1144 s_includedir=`eval echo $includedir`;s_includedir=`eval echo $s_includedir`
1145
1146 echo ""
1147 echo "$PACKAGE Configuration Summary:"
1148 echo "---------------------------"
1149 echo " Target host ...................: $target"
1150 echo " Compiler ......................: $CC"
1151 echo " CFLAGS ........................: $CFLAGS"
1152 echo " LDFLAGS .......................: $LDFLAGS"
1153 echo " LIBS ..........................: $LIBS"
1154 echo ""
1155 echo " Installation prefix ...........: $prefix"
1156 echo " bin directory .................: $s_bindir"
1157 echo " sbin directory ................: $s_sbindir"
1158 echo " etc directory .................: $ETCDIR"
1159 echo " man directory .................: $s_mandir"
1160 echo " doc directory .................: $DOCDIR"
1161 #ifdef SILC_DIST_SIM
1162 echo " SIM directory .................: $MODULESDIR"
1163 #endif SILC_DIST_SIM
1164 #ifdef SILC_DIST_INCLUDES
1165 echo " include directory .............: $s_includedir"
1166 #endif SILC_DIST_INCLUDES
1167 echo ""
1168
1169 #ifdef SILC_DIST_TOOLKIT
1170 if test x$without_irssi = xtrue; then
1171   irssi="no"
1172 fi
1173 if test x$without_silcd = xtrue; then
1174   silcd="no"
1175 fi
1176 #endif SILC_DIST_TOOLKIT
1177
1178 #ifdef SILC_DIST_CLIENT
1179 echo " Compile SILC Client ...........: $irssi"
1180 #endif SILC_DIST_CLIENT
1181
1182 #ifdef SILC_DIST_SERVER
1183 echo " Compile SILC Server ...........: $silcd"
1184 #endif SILC_DIST_SERVER
1185
1186 #ifdef SILC_DIST_SIM
1187 if test x$sim_support = xfalse; then
1188   sim_support="no"
1189 else
1190   sim_support="yes"
1191 fi
1192 echo " SIM support ...................: $sim_support"
1193 #endif SILC_DIST_SIM
1194
1195 echo " IPv6 support ..................: $summary_ipv6"
1196
1197 if test x$has_iconv = xfalse; then
1198   iconv_support="no"
1199 else
1200   iconv_support="yes"
1201 fi
1202 echo " Iconv support .................: $iconv_support"
1203
1204 if test x$want_asm = xfalse; then
1205   summary_asm="no"
1206 else
1207   summary_asm="yes"
1208 fi
1209 echo " Assembler optimizations .......: $summary_asm"
1210
1211 #ifdef SILC_DIST_MATH
1212 if test x$mp_gmp = xtrue; then
1213   echo " Arithmetic library ............: GMP"
1214 fi
1215 #endif SILC_DIST_MATH
1216
1217 threads="no"
1218 if test x$has_threads = xtrue; then
1219   threads="yes"
1220 fi
1221 echo " Multi-threads support .........: $threads"
1222 echo " Debugging enabled .............: $summary_debug"
1223 echo ""
1224 echo "Compile the sources with 'make' or 'gmake' command."
1225 #endif SILC_DIST_COMPILER