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