The Tcpdump Group git mirrors - tcpdump/blob - configure.in

   1 dnl @(#) $Header: /tcpdump/master/tcpdump/configure.in,v 1.74 1999-10-30 05:11:08 itojun Exp $ (LBL)
   2 dnl
   3 dnl Copyright (c) 1994, 1995, 1996, 1997
   4 dnl     The Regents of the University of California.  All rights reserved.
   5 dnl
   6 dnl Process this file with autoconf to produce a configure script.
   7 dnl
   8
   9 AC_INIT(tcpdump.c)
  10
  11 AC_CANONICAL_SYSTEM
  12
  13 umask 002
  14
  15 if test -z "$PWD" ; then
  16         PWD=`pwd`
  17 fi
  18
  19 AC_LBL_C_INIT(V_CCOPT, V_INCLS)
  20
  21 AC_CHECK_HEADERS(fcntl.h malloc.h memory.h rpc/rpcent.h)
  22 AC_HEADER_TIME
  23
  24 case "$target_os" in
  25
  26 linux*)
  27         AC_MSG_CHECKING(Linux kernel version)
  28         AC_CACHE_VAL(ac_cv_linux_vers,
  29             ac_cv_linux_vers=`uname -r 2>&1 | \
  30                 sed -n -e '$s/.* //' -e '$s/\..*//p'`)
  31         AC_MSG_RESULT($ac_cv_linux_vers)
  32         if test $ac_cv_linux_vers -lt 2 ; then
  33                 AC_MSG_ERROR(version 2 or higher required; see the INSTALL doc for more info)
  34         fi
  35         AC_DEFINE(HAVE_NET_SLIP_H)
  36         ;;
  37
  38 *)
  39         AC_CHECK_HEADERS(net/slip.h)
  40         ;;
  41 esac
  42
  43 CFLAGS="$CFLAGS -Dss_family=__ss_family -Dss_len=__ss_len"
  44 AC_MSG_CHECKING([whether to enable ipv6])
  45 AC_ARG_ENABLE(ipv6,
  46 [  --enable-ipv6                Enable ipv6 (with ipv4) support
  47   --disable-ipv6                Disable ipv6 support],
  48 [ case "$enableval" in
  49   no)
  50        AC_MSG_RESULT(no)
  51        ipv6=no
  52        ;;
  53   *)   AC_MSG_RESULT(yes)
  54        AC_DEFINE(ENABLE_IPV6)
  55        LOCALSRC="print-ip6.c print-ip6opts.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c $LOCALSRC"
  56        AC_DEFINE(INET6)
  57        ipv6=yes
  58        ;;
  59   esac ],
  60
  61   AC_TRY_RUN([ /* AF_INET6 avalable check */
  62 #include <sys/types.h>
  63 #include <sys/socket.h>
  64 main()
  65 {
  66   exit(0);
  67  if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
  68    exit(1);
  69  else
  70    exit(0);
  71 }
  72 ],
  73   AC_MSG_RESULT(yes)
  74   AC_DEFINE(ENABLE_IPV6)
  75   LOCALSRC="print-ip6.c print-ip6opts.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c $LOCALSRC"
  76   AC_DEFINE(INET6)
  77   ipv6=yes,
  78   AC_MSG_RESULT(no)
  79   ipv6=no,
  80   AC_MSG_RESULT(no)
  81   ipv6=no
  82 ))
  83
  84 ipv6type=unknown
  85 ipv6lib=none
  86 ipv6trylibc=no
  87
  88 if test "$ipv6" = "yes"; then
  89         AC_MSG_CHECKING([ipv6 stack type])
  90         for i in inria kame linux-glibc linux-libinet6 toshiba v6d zeta; do
  91                 case $i in
  92                 inria)
  93                         dnl http://www.kame.net/
  94                         AC_EGREP_CPP(yes, [dnl
  95 #include <netinet/in.h>
  96 #ifdef IPV6_INRIA_VERSION
  97 yes
  98 #endif],
  99                                 [ipv6type=$i;
 100                                 CFLAGS="-DINET6 $CFLAGS"])
 101                         ;;
 102                 kame)
 103                         dnl http://www.kame.net/
 104                         AC_EGREP_CPP(yes, [dnl
 105 #include <netinet/in.h>
 106 #ifdef __KAME__
 107 yes
 108 #endif],
 109                                 [ipv6type=$i;
 110                                 ipv6lib=inet6;
 111                                 ipv6libdir=/usr/local/v6/lib;
 112                                 ipv6trylibc=yes;
 113                                 CFLAGS="-DINET6 $CFLAGS"])
 114                         ;;
 115                 linux-glibc)
 116                         dnl http://www.v6.linux.or.jp/
 117                         AC_EGREP_CPP(yes, [dnl
 118 #include <features.h>
 119 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
 120 yes
 121 #endif],
 122                                 [ipv6type=$i;
 123                                 CFLAGS="-DINET6 $CFLAGS"])
 124                         ;;
 125                 linux-libinet6)
 126                         dnl http://www.v6.linux.or.jp/
 127                         if test -d /usr/inet6 -o -f /usr/include/netinet/ip6.h; then
 128                                 ipv6type=$i
 129                                 ipv6lib=inet6
 130                                 ipv6libdir=/usr/inet6/lib
 131                                 ipv6trylibc=yes;
 132                                 CFLAGS="-DINET6 -I/usr/inet6/include $CFLAGS"
 133                         fi
 134                         ;;
 135                 toshiba)
 136                         AC_EGREP_CPP(yes, [dnl
 137 #include <sys/param.h>
 138 #ifdef _TOSHIBA_INET6
 139 yes
 140 #endif],
 141                                 [ipv6type=$i;
 142                                 ipv6lib=inet6;
 143                                 ipv6libdir=/usr/local/v6/lib;
 144                                 CFLAGS="-DINET6 $CFLAGS"])
 145                         ;;
 146                 v6d)
 147                         AC_EGREP_CPP(yes, [dnl
 148 #include </usr/local/v6/include/sys/v6config.h>
 149 #ifdef __V6D__
 150 yes
 151 #endif],
 152                                 [ipv6type=$i;
 153                                 ipv6lib=v6;
 154                                 ipv6libdir=/usr/local/v6/lib;
 155                                 CFLAGS="-I/usr/local/v6/include $CFLAGS"])
 156                         ;;
 157                 zeta)
 158                         AC_EGREP_CPP(yes, [dnl
 159 #include <sys/param.h>
 160 #ifdef _ZETA_MINAMI_INET6
 161 yes
 162 #endif],
 163                                 [ipv6type=$i;
 164                                 ipv6lib=inet6;
 165                                 ipv6libdir=/usr/local/v6/lib;
 166                                 CFLAGS="-DINET6 $CFLAGS"])
 167                         ;;
 168                 esac
 169                 if test "$ipv6type" != "unknown"; then
 170                         break
 171                 fi
 172         done
 173         AC_MSG_RESULT($ipv6type)
 174 fi
 175
 176 if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
 177         if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
 178                 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
 179                 echo "You have $ipv6lib library, using it"
 180         else
 181                 if test "$ipv6trylibc" = "yes"; then
 182                         echo "You do not have $ipv6lib library, using libc"
 183                 else
 184                         echo 'Fatal: no $ipv6lib library found.  cannot continue.'
 185                         echo "You need to fetch lib$ipv6lib.a from appropriate"
 186                         echo 'ipv6 kit and compile beforehand.'
 187                         exit 1
 188                 fi
 189         fi
 190 fi
 191
 192
 193 AC_MSG_CHECKING(getaddrinfo bug)
 194 AC_TRY_RUN([
 195 #include <sys/types.h>
 196 #include <netdb.h>
 197 #include <string.h>
 198 #include <sys/socket.h>
 199 #include <netinet/in.h>
 200
 201 main()
 202 {
 203   int passive, gaierr, inet4 = 0, inet6 = 0;
 204   struct addrinfo hints, *ai, *aitop;
 205   char straddr[INET6_ADDRSTRLEN], strport[16];
 206
 207   for (passive = 0; passive <= 1; passive++) {
 208     memset(&hints, 0, sizeof(hints));
 209     hints.ai_family = AF_UNSPEC;
 210     hints.ai_flags = passive ? AI_PASSIVE : 0;
 211     hints.ai_socktype = SOCK_STREAM;
 212     if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
 213       (void)gai_strerror(gaierr);
 214       goto bad;
 215     }
 216     for (ai = aitop; ai; ai = ai->ai_next) {
 217       if (ai->ai_addr == NULL ||
 218           ai->ai_addrlen == 0 ||
 219           getnameinfo(ai->ai_addr, ai->ai_addrlen,
 220                       straddr, sizeof(straddr), strport, sizeof(strport),
 221                       NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
 222         goto bad;
 223       }
 224       switch (ai->ai_family) {
 225       case AF_INET:
 226         if (strcmp(strport, "54321") != 0) {
 227           goto bad;
 228         }
 229         if (passive) {
 230           if (strcmp(straddr, "0.0.0.0") != 0) {
 231             goto bad;
 232           }
 233         } else {
 234           if (strcmp(straddr, "127.0.0.1") != 0) {
 235             goto bad;
 236           }
 237         }
 238         inet4++;
 239         break;
 240       case AF_INET6:
 241         if (strcmp(strport, "54321") != 0) {
 242           goto bad;
 243         }
 244         if (passive) {
 245           if (strcmp(straddr, "::") != 0) {
 246             goto bad;
 247           }
 248         } else {
 249           if (strcmp(straddr, "::1") != 0) {
 250             goto bad;
 251           }
 252         }
 253         inet6++;
 254         break;
 255       case AF_UNSPEC:
 256         goto bad;
 257         break;
 258 #ifdef AF_UNIX
 259       case AF_UNIX:
 260 #else
 261 #ifdef AF_LOCAL
 262       case AF_LOCAL:
 263 #endif
 264 #endif
 265       default:
 266         /* another family support? */
 267         break;
 268       }
 269     }
 270   }
 271
 272   if (inet6 != 2 || inet4 != 2)
 273     goto bad;
 274
 275   if (aitop)
 276     freeaddrinfo(aitop);
 277   exit(0);
 278
 279  bad:
 280   if (aitop)
 281     freeaddrinfo(aitop);
 282   exit(1);
 283 }
 284 ],
 285 AC_MSG_RESULT(good)
 286 buggygetaddrinfo=no,
 287 AC_MSG_RESULT(buggy)
 288 buggygetaddrinfo=yes,
 289 AC_MSG_RESULT(buggy)
 290 buggygetaddrinfo=yes)
 291
 292 if test "$buggygetaddrinfo" = "yes"; then
 293         if test "$ipv6" = "yes" -a "$ipv6type" != "linux"; then
 294                 echo 'Fatal: You must get working getaddrinfo() function.'
 295                 echo '       or you can specify "--disable-ipv6"'.
 296                 exit 1
 297         elif test "$ipv6type" = "linux"; then
 298                 echo 'Warning: getaddrinfo() implementation on your system seems be buggy.'
 299                 echo '         Better upgreade your system library to newest version'
 300                 echo '         of GNU C library (aka glibc).'
 301         fi
 302 fi
 303 AC_REPLACE_FUNCS(getaddrinfo getnameinfo)
 304
 305 dnl portability macros for getaddrinfo/getnameinfo
 306 dnl
 307 dnl Check for sa_len
 308 AC_CHECK_SA_LEN(ac_cv_sockaddr_has_sa_len)
 309 if test "$ac_cv_sockaddr_has_sa_len" = no; then
 310         missing_includes=yes
 311 fi
 312
 313 dnl
 314 dnl check __P macro
 315 AC_CHECK_PORTABLE_PROTO(ac_cv_portable_proto)
 316 if test "$ac_cv_portable_proto" = no; then
 317         missing_includes=yes
 318 fi
 319
 320 dnl
 321 dnl check sizeof basic types
 322 AC_CHECK_SIZEOF(char)
 323 AC_CHECK_SIZEOF(short)
 324 AC_CHECK_SIZEOF(int)
 325 AC_CHECK_SIZEOF(long)
 326
 327 dnl
 328 dnl Checks for u_intXX_t
 329 AC_CHECK_BITTYPES(ac_cv_bittypes)
 330 if test "$ac_cv_bittypes" = no; then
 331         missing_includes=yes
 332 fi
 333
 334 dnl
 335 dnl Checks for addrinfo structure
 336 AC_STRUCT_ADDRINFO(ac_cv_addrinfo)
 337 if test "$ac_cv_addrinfo" = no; then
 338         missing_includes=yes
 339 fi
 340
 341 dnl
 342 dnl Checks for sockaddr_storage structure
 343 AC_STRUCT_SA_STORAGE(ac_cv_sa_storage)
 344 if test "$ac_cv_sa_storage" = no; then
 345         missing_includes=yes
 346 fi
 347
 348 dnl
 349 dnl Checks for IN[6]ADDRSZ
 350 AC_CHECK_ADDRSZ(ac_cv_addrsz)
 351 if test "$ac_cv_addrsz" = no; then
 352         missing_includes=yes
 353 fi
 354
 355 dnl
 356 dnl Checks for RES_USE_INET6
 357 AC_CHECK_RES_USE_INET6(ac_cv_res_inet6)
 358 if test "$ac_cv_res_inet6" = no; then
 359         missing_includes=yes
 360 fi
 361
 362 dnl
 363 dnl Checks for AAAA
 364 AC_CHECK_AAAA(ac_cv_aaaa)
 365 if test "$ac_cv_aaaa" = no; then
 366         AC_DEFINE(T_AAAA, 28)
 367 fi
 368
 369 dnl
 370 dnl Checks for res_state_ext structure
 371 AC_STRUCT_RES_STATE_EXT(ac_cv_res_state_ext)
 372 if test "$ac_cv_res_state_ext" = no; then
 373         missing_includes=yes
 374 fi
 375
 376 dnl
 377 dnl Checks if res_state structure has nsort member.
 378 AC_STRUCT_RES_STATE(ac_cv_res_state)
 379
 380 dnl
 381 dnl set additional include path if necessary
 382 if test "$missing_includes" = "yes"; then
 383         CPPFLAGS="$CPPFLAGS -I./missing"
 384 fi
 385
 386
 387 AC_REPLACE_FUNCS(vfprintf strcasecmp)
 388 AC_CHECK_FUNCS(ether_ntoa setlinebuf)
 389
 390 dnl The following generates a warning from autoconf...
 391 AC_C_BIGENDIAN
 392
 393 AC_CHECK_LIB(dnet, main)
 394 AC_CHECK_LIB(rpc, main)
 395 AC_CHECK_LIB(z, uncompress)
 396 AC_CHECK_HEADERS(zlib.h netinet6/ipcomp.h)
 397
 398 AC_LBL_TYPE_SIGNAL
 399
 400 AC_LBL_LIBPCAP(V_PCAPDEP, V_INCLS)
 401
 402 V_GROUP=0
 403 if test -f /etc/group -a ! -z "`grep '^wheel:' /etc/group`" ; then
 404         V_GROUP=wheel
 405 fi
 406 case "$target_os" in
 407
 408 aix*)
 409         dnl Workaround to enable certain features
 410         AC_DEFINE(_SUN)
 411         ;;
 412
 413 irix*)
 414         V_GROUP=sys
 415         ;;
 416
 417 linux*)
 418         V_INCLS="$V_INCLS -Ilinux-include"
 419         ;;
 420
 421 osf*)
 422         V_GROUP=system
 423         dnl Workaround around ip_hl vs. ip_vhl problem in netinet/ip.h
 424         AC_DEFINE(__STDC__,2)
 425         ;;
 426
 427 solaris*)
 428         V_GROUP=sys
 429         ;;
 430 esac
 431
 432 if test -f /dev/bpf0 ; then
 433         V_GROUP=bpf
 434 fi
 435
 436 AC_LBL_CHECK_TYPE(int32_t, int)
 437 AC_LBL_CHECK_TYPE(u_int32_t, u_int)
 438
 439 AC_LBL_DEVEL(V_CCOPT)
 440
 441 AC_LBL_SOCKADDR_SA_LEN
 442
 443 AC_MSG_CHECKING(if ether_header uses ether_addr structs)
 444 AC_CACHE_VAL(ac_cv_ether_header_has_ea,
 445     LBL_SAVE_CFLAGS="$CFLAGS"
 446     CFLAGS="$CFLAGS $V_INCLS"
 447     AC_TRY_COMPILE([
 448 #       include <sys/types.h>
 449 #       if __STDC__
 450         /* osf3 has REALLY good prototyes */
 451         struct mbuf;
 452         struct rtentry;
 453 #       endif
 454 #       include <sys/socket.h>
 455 #       include <net/if.h>
 456 #       include <netinet/in.h>
 457 #       include <netinet/if_ether.h>],
 458         [u_int i =
 459             sizeof(((struct ether_header *)0)->ether_dhost.ether_addr_octet)],
 460         ac_cv_ether_header_has_ea=yes,
 461         ac_cv_ether_header_has_ea=no)
 462     CFLAGS="$LBL_SAVE_CFLAGS")
 463 AC_MSG_RESULT($ac_cv_ether_header_has_ea)
 464 if test $ac_cv_ether_header_has_ea = yes ; then
 465         AC_DEFINE(ETHER_HEADER_HAS_EA)
 466 fi
 467
 468 AC_MSG_CHECKING(if ether_arp uses ether_addr structs)
 469 AC_CACHE_VAL(ac_cv_ether_arp_has_ea,
 470     LBL_SAVE_CFLAGS="$CFLAGS"
 471     CFLAGS="$CFLAGS $V_INCLS"
 472     AC_TRY_COMPILE([
 473 #       include <sys/types.h>
 474 #       if __STDC__
 475         /* osf3 has REALLY good prototyes */
 476         struct mbuf;
 477         struct rtentry;
 478 #       endif
 479 #       include <sys/socket.h>
 480 #       include <net/if.h>
 481 #       include <netinet/in.h>
 482 #       include <netinet/if_ether.h>],
 483         [u_int i =
 484             sizeof(((struct ether_arp *)0)->arp_sha.ether_addr_octet)],
 485         ac_cv_ether_arp_has_ea=yes,
 486         ac_cv_ether_arp_has_ea=no)
 487     CFLAGS="$LBL_SAVE_CFLAGS")
 488 AC_MSG_RESULT($ac_cv_ether_arp_has_ea)
 489 if test $ac_cv_ether_arp_has_ea = yes ; then
 490         AC_DEFINE(ETHER_ARP_HAS_EA)
 491 fi
 492
 493 AC_MSG_CHECKING(if ether_arp uses erp_xsha member)
 494 AC_CACHE_VAL(ac_cv_struct_ether_arp_x,
 495     LBL_SAVE_CFLAGS="$CFLAGS"
 496     CFLAGS="$CFLAGS $V_INCLS"
 497     AC_TRY_COMPILE([
 498 #       include <sys/types.h>
 499 #       include <sys/socket.h>
 500 #       if __STDC__
 501         /* osf3 has REALLY good prototyes */
 502         struct mbuf;
 503         struct rtentry;
 504 #       endif
 505 #       include <net/if.h>
 506 #       include <netinet/in.h>
 507 #       include <netinet/if_ether.h>],
 508         [u_int i = sizeof( ((struct ether_arp *)0)->arp_xsha)],
 509         ac_cv_struct_ether_arp_x=yes,
 510         ac_cv_struct_ether_arp_x=no)
 511     CFLAGS="$LBL_SAVE_CFLAGS")
 512 AC_MSG_RESULT($ac_cv_struct_ether_arp_x)
 513 if test $ac_cv_struct_ether_arp_x = yes ; then
 514         AC_DEFINE(ETHER_ARP_HAS_X)
 515 fi
 516
 517 AC_LBL_UNALIGNED_ACCESS
 518
 519 AC_MSG_CHECKING(for SSLeay)
 520 ac_cv_ssleay_path=no
 521 incdir=no
 522 for dir in /usr/local /usr/local/ssl /usr/pkg; do
 523         if test -d $dir/lib -a -f $dir/lib/libcrypto.a; then
 524                 ac_cv_ssleay_path=$dir
 525         fi
 526         if test -d $dir/include -a -f $dir/include/des.h; then
 527                 incdir="-I$dir/include"
 528         else
 529                 if test -d $dir/include/ssleay -a -f $dir/include/ssleay/des.h; then
 530                         incdir="-I$dir/include/ssleay"
 531                 elif test -d $dir/include/openssl -a -f $dir/include/openssl/des.h; then
 532                         incdir="-I$dir/include -I$dir/include/openssl"
 533                 fi
 534         fi
 535         if test "$ac_cv_ssleay_path" != "no" -a "$incdir" != "no"; then
 536                 break;
 537         else
 538                 ac_cv_ssleay_path=no
 539                 incdir=no
 540         fi
 541 done
 542 AC_MSG_RESULT($ac_cv_ssleay_path)
 543 if test "$ac_cv_ssleay_path" != no; then
 544         V_INCLS="$V_INCLS $incdir"
 545         LIBS="$LIBS -L$dir/lib"
 546         AC_CHECK_LIB(crypto, des_cbc_encrypt)
 547         AC_DEFINE(CRYPTO)
 548
 549         bak_CPPFLAGS=$CPPFLAGS
 550         CPPFLAGS="$CPPFLAGS $V_INCLS"
 551         AC_CHECK_HEADERS(cast.h rc5.h)
 552
 553         if test "$ac_cv_header_cast_h" = "yes"; then
 554                 AC_MSG_CHECKING(for buggy CAST128)
 555                 AC_TRY_RUN(dnl
 556 [
 557 #include <cast.h>
 558 main()
 559 {
 560         unsigned char key[] = {0x01,0x23,0x45,0x67,0x12};
 561         unsigned char in[] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
 562         unsigned char out[sizeof(in)];
 563         unsigned char ok[] = {0x7A,0xC8,0x16,0xD1,0x6E,0x9B,0x30,0x2E};
 564         CAST_KEY ks;
 565         CAST_set_key(&ks, sizeof(key), key);
 566         CAST_ecb_encrypt(in, out, &ks, CAST_ENCRYPT);
 567         if (memcmp(out, ok, sizeof(ok)) != 0)
 568                 return 0;
 569         else
 570                 return 1;
 571 }],
 572                         [buggy_cast128=yes],
 573                         [buggy_cast128=no],
 574                         [buggy_cast128="cross-compiling, assume yes"])
 575                 AC_MSG_RESULT($buggy_cast128)
 576                 if test "$buggy_cast128" != no; then
 577                         echo "NOTE: SSLeay 0.9.0b has a bug in CAST128 en/decoding routine."
 578                         echo "disabling CAST128 support."
 579                         AC_DEFINE(HAVE_BUGGY_CAST128)
 580                 fi
 581         fi
 582
 583         CPPFLAGS=$bak_CPPFLAGS
 584 fi
 585
 586 if test "${srcdir}" = "." ; then
 587         srcdirprefix=""
 588 else
 589         srcdirprefix="./"
 590 fi
 591
 592 if test -r ${srcdirprefix}lbl/gnuc.h ; then
 593         rm -f gnuc.h
 594         ln -s ${srcdirprefix}lbl/gnuc.h gnuc.h
 595 fi
 596
 597 AC_SUBST(V_CCOPT)
 598 AC_SUBST(V_GROUP)
 599 AC_SUBST(V_INCLS)
 600 AC_SUBST(V_PCAPDEP)
 601 AC_SUBST(LOCALSRC)
 602
 603 AC_PROG_INSTALL
 604
 605 AC_OUTPUT(Makefile)
 606
 607 if test -f .devel ; then
 608         make depend
 609 fi
 610 exit 0