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

   1 dnl @(#) $Header: /tcpdump/master/tcpdump/configure.in,v 1.78 1999-10-30 07:53:38 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 yes)   AC_MSG_RESULT(yes)
  50        AC_DEFINE(ENABLE_IPV6)
  51        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"
  52        AC_DEFINE(INET6)
  53        ipv6=yes
  54        ;;
  55 *)
  56        AC_MSG_RESULT(no)
  57        ipv6=no
  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  if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
  67    exit(1);
  68  else
  69    exit(0);
  70 }
  71 ],
  72 [ AC_MSG_RESULT(yes)
  73   AC_DEFINE(ENABLE_IPV6)
  74   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 $LOCALSRC"
  75   AC_DEFINE(INET6)
  76   ipv6=yes],
  77 [ AC_MSG_RESULT(no)
  78   ipv6=no],
  79 [ AC_MSG_RESULT(no)
  80   ipv6=no]
  81 ))
  82
  83 ipv6type=unknown
  84 ipv6lib=none
  85 ipv6trylibc=no
  86
  87 if test "$ipv6" = "yes"; then
  88         AC_MSG_CHECKING([ipv6 stack type])
  89         for i in inria kame linux-glibc linux-libinet6 toshiba v6d zeta; do
  90                 case $i in
  91                 inria)
  92                         dnl http://www.kame.net/
  93                         AC_EGREP_CPP(yes, [dnl
  94 #include <netinet/in.h>
  95 #ifdef IPV6_INRIA_VERSION
  96 yes
  97 #endif],
  98                                 [ipv6type=$i;
  99                                 CFLAGS="-DINET6 $CFLAGS"])
 100                         ;;
 101                 kame)
 102                         dnl http://www.kame.net/
 103                         AC_EGREP_CPP(yes, [dnl
 104 #include <netinet/in.h>
 105 #ifdef __KAME__
 106 yes
 107 #endif],
 108                                 [ipv6type=$i;
 109                                 ipv6lib=inet6;
 110                                 ipv6libdir=/usr/local/v6/lib;
 111                                 ipv6trylibc=yes;
 112                                 CFLAGS="-DINET6 $CFLAGS"])
 113                         ;;
 114                 linux-glibc)
 115                         dnl http://www.v6.linux.or.jp/
 116                         AC_EGREP_CPP(yes, [dnl
 117 #include <features.h>
 118 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
 119 yes
 120 #endif],
 121                                 [ipv6type=$i;
 122                                 CFLAGS="-DINET6 $CFLAGS"])
 123                         ;;
 124                 linux-libinet6)
 125                         dnl http://www.v6.linux.or.jp/
 126                         if test -d /usr/inet6 -o -f /usr/include/netinet/ip6.h; then
 127                                 ipv6type=$i
 128                                 ipv6lib=inet6
 129                                 ipv6libdir=/usr/inet6/lib
 130                                 ipv6trylibc=yes;
 131                                 CFLAGS="-DINET6 -I/usr/inet6/include $CFLAGS"
 132                         fi
 133                         ;;
 134                 toshiba)
 135                         AC_EGREP_CPP(yes, [dnl
 136 #include <sys/param.h>
 137 #ifdef _TOSHIBA_INET6
 138 yes
 139 #endif],
 140                                 [ipv6type=$i;
 141                                 ipv6lib=inet6;
 142                                 ipv6libdir=/usr/local/v6/lib;
 143                                 CFLAGS="-DINET6 $CFLAGS"])
 144                         ;;
 145                 v6d)
 146                         AC_EGREP_CPP(yes, [dnl
 147 #include </usr/local/v6/include/sys/v6config.h>
 148 #ifdef __V6D__
 149 yes
 150 #endif],
 151                                 [ipv6type=$i;
 152                                 ipv6lib=v6;
 153                                 ipv6libdir=/usr/local/v6/lib;
 154                                 CFLAGS="-I/usr/local/v6/include $CFLAGS"])
 155                         ;;
 156                 zeta)
 157                         AC_EGREP_CPP(yes, [dnl
 158 #include <sys/param.h>
 159 #ifdef _ZETA_MINAMI_INET6
 160 yes
 161 #endif],
 162                                 [ipv6type=$i;
 163                                 ipv6lib=inet6;
 164                                 ipv6libdir=/usr/local/v6/lib;
 165                                 CFLAGS="-DINET6 $CFLAGS"])
 166                         ;;
 167                 esac
 168                 if test "$ipv6type" != "unknown"; then
 169                         break
 170                 fi
 171         done
 172         AC_MSG_RESULT($ipv6type)
 173 fi
 174
 175 if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
 176         if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
 177                 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
 178                 echo "You have $ipv6lib library, using it"
 179         else
 180                 if test "$ipv6trylibc" = "yes"; then
 181                         echo "You do not have $ipv6lib library, using libc"
 182                 else
 183                         echo 'Fatal: no $ipv6lib library found.  cannot continue.'
 184                         echo "You need to fetch lib$ipv6lib.a from appropriate"
 185                         echo 'ipv6 kit and compile beforehand.'
 186                         exit 1
 187                 fi
 188         fi
 189 fi
 190
 191
 192 AC_MSG_CHECKING(getaddrinfo bug)
 193 AC_TRY_RUN([
 194 #include <sys/types.h>
 195 #include <netdb.h>
 196 #include <string.h>
 197 #include <sys/socket.h>
 198 #include <netinet/in.h>
 199
 200 main()
 201 {
 202   int passive, gaierr, inet4 = 0, inet6 = 0;
 203   struct addrinfo hints, *ai, *aitop;
 204   char straddr[INET6_ADDRSTRLEN], strport[16];
 205
 206   for (passive = 0; passive <= 1; passive++) {
 207     memset(&hints, 0, sizeof(hints));
 208     hints.ai_family = AF_UNSPEC;
 209     hints.ai_flags = passive ? AI_PASSIVE : 0;
 210     hints.ai_socktype = SOCK_STREAM;
 211     if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
 212       (void)gai_strerror(gaierr);
 213       goto bad;
 214     }
 215     for (ai = aitop; ai; ai = ai->ai_next) {
 216       if (ai->ai_addr == NULL ||
 217           ai->ai_addrlen == 0 ||
 218           getnameinfo(ai->ai_addr, ai->ai_addrlen,
 219                       straddr, sizeof(straddr), strport, sizeof(strport),
 220                       NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
 221         goto bad;
 222       }
 223       switch (ai->ai_family) {
 224       case AF_INET:
 225         if (strcmp(strport, "54321") != 0) {
 226           goto bad;
 227         }
 228         if (passive) {
 229           if (strcmp(straddr, "0.0.0.0") != 0) {
 230             goto bad;
 231           }
 232         } else {
 233           if (strcmp(straddr, "127.0.0.1") != 0) {
 234             goto bad;
 235           }
 236         }
 237         inet4++;
 238         break;
 239       case AF_INET6:
 240         if (strcmp(strport, "54321") != 0) {
 241           goto bad;
 242         }
 243         if (passive) {
 244           if (strcmp(straddr, "::") != 0) {
 245             goto bad;
 246           }
 247         } else {
 248           if (strcmp(straddr, "::1") != 0) {
 249             goto bad;
 250           }
 251         }
 252         inet6++;
 253         break;
 254       case AF_UNSPEC:
 255         goto bad;
 256         break;
 257 #ifdef AF_UNIX
 258       case AF_UNIX:
 259 #else
 260 #ifdef AF_LOCAL
 261       case AF_LOCAL:
 262 #endif
 263 #endif
 264       default:
 265         /* another family support? */
 266         break;
 267       }
 268     }
 269   }
 270
 271   if (inet6 != 2 || inet4 != 2)
 272     goto bad;
 273
 274   if (aitop)
 275     freeaddrinfo(aitop);
 276   exit(0);
 277
 278  bad:
 279   if (aitop)
 280     freeaddrinfo(aitop);
 281   exit(1);
 282 }
 283 ],
 284 AC_MSG_RESULT(good)
 285 buggygetaddrinfo=no,
 286 AC_MSG_RESULT(buggy)
 287 buggygetaddrinfo=yes,
 288 AC_MSG_RESULT(buggy)
 289 buggygetaddrinfo=yes)
 290
 291 if test "$buggygetaddrinfo" = "yes"; then
 292         if test "$ipv6" = "yes" -a "$ipv6type" != "linux"; then
 293                 echo 'Fatal: You must get working getaddrinfo() function.'
 294                 echo '       or you can specify "--disable-ipv6"'.
 295                 exit 1
 296         elif test "$ipv6type" = "linux"; then
 297                 echo 'Warning: getaddrinfo() implementation on your system seems be buggy.'
 298                 echo '         Better upgreade your system library to newest version'
 299                 echo '         of GNU C library (aka glibc).'
 300         fi
 301 fi
 302 AC_REPLACE_FUNCS(getaddrinfo getnameinfo inet_ntop inet_pton inet_aton)
 303
 304 dnl portability macros for getaddrinfo/getnameinfo
 305 dnl
 306 dnl Check for sa_len
 307 AC_CHECK_SA_LEN(ac_cv_sockaddr_has_sa_len)
 308 if test "$ac_cv_sockaddr_has_sa_len" = no; then
 309         missing_includes=yes
 310 fi
 311
 312 dnl
 313 dnl check __P macro
 314 AC_CHECK_PORTABLE_PROTO(ac_cv_portable_proto)
 315 if test "$ac_cv_portable_proto" = no; then
 316         missing_includes=yes
 317 fi
 318
 319 dnl
 320 dnl check sizeof basic types
 321 AC_CHECK_SIZEOF(char)
 322 AC_CHECK_SIZEOF(short)
 323 AC_CHECK_SIZEOF(int)
 324 AC_CHECK_SIZEOF(long)
 325
 326 dnl
 327 dnl Checks for u_intXX_t
 328 dnl AC_CHECK_BITTYPES(ac_cv_bittypes)
 329 dnl if test "$ac_cv_bittypes" = no; then
 330 dnl     missing_includes=yes
 331 dnl fi
 332
 333 dnl
 334 dnl Checks for addrinfo structure
 335 AC_STRUCT_ADDRINFO(ac_cv_addrinfo)
 336 if test "$ac_cv_addrinfo" = no; then
 337         missing_includes=yes
 338 fi
 339
 340 dnl
 341 dnl Checks for sockaddr_storage structure
 342 AC_STRUCT_SA_STORAGE(ac_cv_sa_storage)
 343 if test "$ac_cv_sa_storage" = no; then
 344         missing_includes=yes
 345 fi
 346
 347 dnl
 348 dnl Checks for IN[6]ADDRSZ
 349 AC_CHECK_ADDRSZ(ac_cv_addrsz)
 350 if test "$ac_cv_addrsz" = no; then
 351         missing_includes=yes
 352 fi
 353
 354 dnl
 355 dnl Checks for RES_USE_INET6
 356 AC_CHECK_RES_USE_INET6(ac_cv_res_inet6)
 357 if test "$ac_cv_res_inet6" = no; then
 358         missing_includes=yes
 359 fi
 360
 361 dnl
 362 dnl Checks for AAAA
 363 AC_CHECK_AAAA(ac_cv_aaaa)
 364 if test "$ac_cv_aaaa" = no; then
 365         AC_DEFINE(T_AAAA, 28)
 366 fi
 367
 368 dnl
 369 dnl Checks for res_state_ext structure
 370 AC_STRUCT_RES_STATE_EXT(ac_cv_res_state_ext)
 371 if test "$ac_cv_res_state_ext" = no; then
 372         missing_includes=yes
 373 fi
 374
 375 dnl
 376 dnl Checks if res_state structure has nsort member.
 377 AC_STRUCT_RES_STATE(ac_cv_res_state)
 378
 379 dnl
 380 dnl set additional include path if necessary
 381 if test "$missing_includes" = "yes"; then
 382         CPPFLAGS="$CPPFLAGS -I\$(srcdir)/missing"
 383         V_INCLS="$V_INCLS -I\$(srcdir)/missing"
 384 fi
 385
 386
 387 AC_REPLACE_FUNCS(vfprintf strcasecmp)
 388 AC_CHECK_FUNCS(ether_ntoa setlinebuf gethostbyname2 inet_ntop inet_pton)
 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(u_int8_t, u_char)
 437 AC_LBL_CHECK_TYPE(int16_t, u_short)
 438 AC_LBL_CHECK_TYPE(u_int16_t, short)
 439 AC_LBL_CHECK_TYPE(int32_t, int)
 440 AC_LBL_CHECK_TYPE(u_int32_t, u_int)
 441
 442 AC_LBL_DEVEL(V_CCOPT)
 443
 444 AC_LBL_SOCKADDR_SA_LEN
 445
 446 AC_MSG_CHECKING(if ether_header uses ether_addr structs)
 447 AC_CACHE_VAL(ac_cv_ether_header_has_ea,
 448     LBL_SAVE_CFLAGS="$CFLAGS"
 449     CFLAGS="$CFLAGS $V_INCLS"
 450     AC_TRY_COMPILE([
 451 #       include <sys/types.h>
 452 #       if __STDC__
 453         /* osf3 has REALLY good prototyes */
 454         struct mbuf;
 455         struct rtentry;
 456 #       endif
 457 #       include <sys/socket.h>
 458 #       include <net/if.h>
 459 #       include <netinet/in.h>
 460 #       include <netinet/if_ether.h>],
 461         [u_int i =
 462             sizeof(((struct ether_header *)0)->ether_dhost.ether_addr_octet)],
 463         ac_cv_ether_header_has_ea=yes,
 464         ac_cv_ether_header_has_ea=no)
 465     CFLAGS="$LBL_SAVE_CFLAGS")
 466 AC_MSG_RESULT($ac_cv_ether_header_has_ea)
 467 if test $ac_cv_ether_header_has_ea = yes ; then
 468         AC_DEFINE(ETHER_HEADER_HAS_EA)
 469 fi
 470
 471 AC_MSG_CHECKING(if ether_arp uses ether_addr structs)
 472 AC_CACHE_VAL(ac_cv_ether_arp_has_ea,
 473     LBL_SAVE_CFLAGS="$CFLAGS"
 474     CFLAGS="$CFLAGS $V_INCLS"
 475     AC_TRY_COMPILE([
 476 #       include <sys/types.h>
 477 #       if __STDC__
 478         /* osf3 has REALLY good prototyes */
 479         struct mbuf;
 480         struct rtentry;
 481 #       endif
 482 #       include <sys/socket.h>
 483 #       include <net/if.h>
 484 #       include <netinet/in.h>
 485 #       include <netinet/if_ether.h>],
 486         [u_int i =
 487             sizeof(((struct ether_arp *)0)->arp_sha.ether_addr_octet)],
 488         ac_cv_ether_arp_has_ea=yes,
 489         ac_cv_ether_arp_has_ea=no)
 490     CFLAGS="$LBL_SAVE_CFLAGS")
 491 AC_MSG_RESULT($ac_cv_ether_arp_has_ea)
 492 if test $ac_cv_ether_arp_has_ea = yes ; then
 493         AC_DEFINE(ETHER_ARP_HAS_EA)
 494 fi
 495
 496 AC_MSG_CHECKING(if ether_arp uses erp_xsha member)
 497 AC_CACHE_VAL(ac_cv_struct_ether_arp_x,
 498     LBL_SAVE_CFLAGS="$CFLAGS"
 499     CFLAGS="$CFLAGS $V_INCLS"
 500     AC_TRY_COMPILE([
 501 #       include <sys/types.h>
 502 #       include <sys/socket.h>
 503 #       if __STDC__
 504         /* osf3 has REALLY good prototyes */
 505         struct mbuf;
 506         struct rtentry;
 507 #       endif
 508 #       include <net/if.h>
 509 #       include <netinet/in.h>
 510 #       include <netinet/if_ether.h>],
 511         [u_int i = sizeof( ((struct ether_arp *)0)->arp_xsha)],
 512         ac_cv_struct_ether_arp_x=yes,
 513         ac_cv_struct_ether_arp_x=no)
 514     CFLAGS="$LBL_SAVE_CFLAGS")
 515 AC_MSG_RESULT($ac_cv_struct_ether_arp_x)
 516 if test $ac_cv_struct_ether_arp_x = yes ; then
 517         AC_DEFINE(ETHER_ARP_HAS_X)
 518 fi
 519
 520 AC_LBL_UNALIGNED_ACCESS
 521
 522 AC_MSG_CHECKING(for SSLeay)
 523 ac_cv_ssleay_path=no
 524 incdir=no
 525 for dir in /usr/local /usr/local/ssl /usr/pkg; do
 526         if test -d $dir/lib -a -f $dir/lib/libcrypto.a; then
 527                 ac_cv_ssleay_path=$dir
 528         fi
 529         if test -d $dir/include -a -f $dir/include/des.h; then
 530                 incdir="-I$dir/include"
 531         else
 532                 if test -d $dir/include/ssleay -a -f $dir/include/ssleay/des.h; then
 533                         incdir="-I$dir/include/ssleay"
 534                 elif test -d $dir/include/openssl -a -f $dir/include/openssl/des.h; then
 535                         incdir="-I$dir/include -I$dir/include/openssl"
 536                 fi
 537         fi
 538         if test "$ac_cv_ssleay_path" != "no" -a "$incdir" != "no"; then
 539                 break;
 540         else
 541                 ac_cv_ssleay_path=no
 542                 incdir=no
 543         fi
 544 done
 545 AC_MSG_RESULT($ac_cv_ssleay_path)
 546 if test "$ac_cv_ssleay_path" != no; then
 547         V_INCLS="$V_INCLS $incdir"
 548         LIBS="$LIBS -L$dir/lib"
 549         AC_CHECK_LIB(crypto, des_cbc_encrypt)
 550         AC_DEFINE(CRYPTO)
 551
 552         bak_CPPFLAGS=$CPPFLAGS
 553         CPPFLAGS="$CPPFLAGS $V_INCLS"
 554         AC_CHECK_HEADERS(cast.h rc5.h)
 555
 556         if test "$ac_cv_header_cast_h" = "yes"; then
 557                 AC_MSG_CHECKING(for buggy CAST128)
 558                 AC_TRY_RUN(dnl
 559 [
 560 #include <cast.h>
 561 main()
 562 {
 563         unsigned char key[] = {0x01,0x23,0x45,0x67,0x12};
 564         unsigned char in[] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
 565         unsigned char out[sizeof(in)];
 566         unsigned char ok[] = {0x7A,0xC8,0x16,0xD1,0x6E,0x9B,0x30,0x2E};
 567         CAST_KEY ks;
 568         CAST_set_key(&ks, sizeof(key), key);
 569         CAST_ecb_encrypt(in, out, &ks, CAST_ENCRYPT);
 570         if (memcmp(out, ok, sizeof(ok)) != 0)
 571                 return 0;
 572         else
 573                 return 1;
 574 }],
 575                         [buggy_cast128=yes],
 576                         [buggy_cast128=no],
 577                         [buggy_cast128="cross-compiling, assume yes"])
 578                 AC_MSG_RESULT($buggy_cast128)
 579                 if test "$buggy_cast128" != no; then
 580                         echo "NOTE: SSLeay 0.9.0b has a bug in CAST128 en/decoding routine."
 581                         echo "disabling CAST128 support."
 582                         AC_DEFINE(HAVE_BUGGY_CAST128)
 583                 fi
 584         fi
 585
 586         CPPFLAGS=$bak_CPPFLAGS
 587 fi
 588
 589 if test -r ${srcdir}/lbl/gnuc.h ; then
 590         rm -f gnuc.h
 591         ln -s ${srcdir}/lbl/gnuc.h gnuc.h
 592 fi
 593
 594 AC_SUBST(V_CCOPT)
 595 AC_SUBST(V_GROUP)
 596 AC_SUBST(V_INCLS)
 597 AC_SUBST(V_PCAPDEP)
 598 AC_SUBST(LOCALSRC)
 599
 600 AC_PROG_INSTALL
 601
 602 AC_OUTPUT(Makefile)
 603
 604 if test -f .devel ; then
 605         make depend
 606 fi
 607 exit 0