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