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

   1 dnl @(#) $Header: /tcpdump/master/tcpdump/configure.in,v 1.111 2000-04-01 12:09:57 assar 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_REVISION($Revision: 1.111 $)
  10 AC_PREREQ(2.13)
  11 AC_INIT(tcpdump.c)
  12
  13 AC_CANONICAL_SYSTEM
  14
  15 umask 002
  16
  17 if test -z "$PWD" ; then
  18         PWD=`pwd`
  19 fi
  20
  21 AC_LBL_C_INIT(V_CCOPT, V_INCLS)
  22 AC_C_INLINE
  23 AC_C___ATTRIBUTE__
  24
  25 AC_CHECK_HEADERS(fcntl.h malloc.h memory.h rpc/rpcent.h)
  26 AC_HEADER_TIME
  27
  28 case "$target_os" in
  29
  30 linux*)
  31         AC_MSG_CHECKING(Linux kernel version)
  32         AC_CACHE_VAL(ac_cv_linux_vers,
  33             ac_cv_linux_vers=`uname -r 2>&1 | \
  34                 sed -n -e '$s/.* //' -e '$s/\..*//p'`)
  35         AC_MSG_RESULT($ac_cv_linux_vers)
  36         if test $ac_cv_linux_vers -lt 2 ; then
  37                 AC_MSG_ERROR(version 2 or higher required; see the INSTALL doc for more info)
  38         fi
  39         AC_DEFINE(HAVE_NET_SLIP_H)
  40         ;;
  41
  42 *)
  43         AC_CHECK_HEADERS(net/slip.h)
  44         ;;
  45 esac
  46
  47
  48 AC_CHECK_HEADERS(smi.h)
  49 AC_CHECK_LIB(smi, main)
  50 AC_MSG_CHECKING([whether to enable libsmi])
  51         AC_TRY_RUN([ /* libsmi available check */
  52 #include <smi.h>
  53 main()
  54 {
  55   if (smiInit(""))
  56     exit(1);
  57   else
  58     exit(0);
  59 }
  60 ],
  61 [ AC_MSG_RESULT(yes)
  62   AC_DEFINE(LIBSMI)
  63   libsmi=yes],
  64 [ AC_MSG_RESULT(no)
  65   libsmi=no],
  66 [ AC_MSG_RESULT(not when cross-compiling)
  67   libsmi=no]
  68 )
  69
  70
  71 CFLAGS="$CFLAGS -Dss_family=__ss_family -Dss_len=__ss_len"
  72 AC_MSG_CHECKING([whether to enable ipv6])
  73 AC_ARG_ENABLE(ipv6,
  74 [  --enable-ipv6           enable ipv6 (with ipv4) support
  75   --disable-ipv6          disable ipv6 support],
  76 [ case "$enableval" in
  77 yes)   AC_MSG_RESULT(yes)
  78        AC_DEFINE(ENABLE_IPV6)
  79        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"
  80        AC_DEFINE(INET6)
  81        ipv6=yes
  82        ;;
  83 *)
  84        AC_MSG_RESULT(no)
  85        ipv6=no
  86        ;;
  87   esac ],
  88
  89   AC_TRY_RUN([ /* AF_INET6 available check */
  90 #include <sys/types.h>
  91 #include <sys/socket.h>
  92 main()
  93 {
  94  if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
  95    exit(1);
  96  else
  97    exit(0);
  98 }
  99 ],
 100 [ AC_MSG_RESULT(yes)
 101   AC_DEFINE(ENABLE_IPV6)
 102   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 $LOCALSRC"
 103   AC_DEFINE(INET6)
 104   ipv6=yes],
 105 [ AC_MSG_RESULT(no)
 106   ipv6=no],
 107 [ AC_MSG_RESULT(no)
 108   ipv6=no]
 109 ))
 110
 111 ipv6type=unknown
 112 ipv6lib=none
 113 ipv6trylibc=no
 114
 115 if test "$ipv6" = "yes"; then
 116         AC_MSG_CHECKING([ipv6 stack type])
 117         for i in inria kame linux-glibc linux-libinet6 toshiba v6d zeta; do
 118                 case $i in
 119                 inria)
 120                         dnl http://www.kame.net/
 121                         AC_EGREP_CPP(yes, [dnl
 122 #include <netinet/in.h>
 123 #ifdef IPV6_INRIA_VERSION
 124 yes
 125 #endif],
 126                                 [ipv6type=$i;
 127                                 CFLAGS="-DINET6 $CFLAGS"])
 128                         ;;
 129                 kame)
 130                         dnl http://www.kame.net/
 131                         AC_EGREP_CPP(yes, [dnl
 132 #include <netinet/in.h>
 133 #ifdef __KAME__
 134 yes
 135 #endif],
 136                                 [ipv6type=$i;
 137                                 ipv6lib=inet6;
 138                                 ipv6libdir=/usr/local/v6/lib;
 139                                 ipv6trylibc=yes;
 140                                 CFLAGS="-DINET6 $CFLAGS"])
 141                         ;;
 142                 linux-glibc)
 143                         dnl http://www.v6.linux.or.jp/
 144                         AC_EGREP_CPP(yes, [dnl
 145 #include <features.h>
 146 #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
 147 yes
 148 #endif],
 149                                 [ipv6type=$i;
 150                                 CFLAGS="-DINET6 $CFLAGS"])
 151                         ;;
 152                 linux-libinet6)
 153                         dnl http://www.v6.linux.or.jp/
 154                         if test -d /usr/inet6 -o -f /usr/include/netinet/ip6.h; then
 155                                 ipv6type=$i
 156                                 ipv6lib=inet6
 157                                 ipv6libdir=/usr/inet6/lib
 158                                 ipv6trylibc=yes;
 159                                 CFLAGS="-DINET6 -I/usr/inet6/include $CFLAGS"
 160                         fi
 161                         ;;
 162                 toshiba)
 163                         AC_EGREP_CPP(yes, [dnl
 164 #include <sys/param.h>
 165 #ifdef _TOSHIBA_INET6
 166 yes
 167 #endif],
 168                                 [ipv6type=$i;
 169                                 ipv6lib=inet6;
 170                                 ipv6libdir=/usr/local/v6/lib;
 171                                 CFLAGS="-DINET6 $CFLAGS"])
 172                         ;;
 173                 v6d)
 174                         AC_EGREP_CPP(yes, [dnl
 175 #include </usr/local/v6/include/sys/v6config.h>
 176 #ifdef __V6D__
 177 yes
 178 #endif],
 179                                 [ipv6type=$i;
 180                                 ipv6lib=v6;
 181                                 ipv6libdir=/usr/local/v6/lib;
 182                                 CFLAGS="-I/usr/local/v6/include $CFLAGS"])
 183                         ;;
 184                 zeta)
 185                         AC_EGREP_CPP(yes, [dnl
 186 #include <sys/param.h>
 187 #ifdef _ZETA_MINAMI_INET6
 188 yes
 189 #endif],
 190                                 [ipv6type=$i;
 191                                 ipv6lib=inet6;
 192                                 ipv6libdir=/usr/local/v6/lib;
 193                                 CFLAGS="-DINET6 $CFLAGS"])
 194                         ;;
 195                 esac
 196                 if test "$ipv6type" != "unknown"; then
 197                         break
 198                 fi
 199         done
 200         AC_MSG_RESULT($ipv6type)
 201 fi
 202
 203 if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then
 204         if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then
 205                 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS"
 206                 echo "You have $ipv6lib library, using it"
 207         else
 208                 if test "$ipv6trylibc" = "yes"; then
 209                         echo "You do not have $ipv6lib library, using libc"
 210                 else
 211                         echo 'Fatal: no $ipv6lib library found.  cannot continue.'
 212                         echo "You need to fetch lib$ipv6lib.a from appropriate"
 213                         echo 'ipv6 kit and compile beforehand.'
 214                         exit 1
 215                 fi
 216         fi
 217 fi
 218
 219
 220 if test "$ipv6" = "yes"; then
 221         AC_CHECK_FUNCS(getaddrinfo, [dnl
 222         AC_MSG_CHECKING(getaddrinfo bug)
 223         AC_TRY_RUN([
 224 #include <sys/types.h>
 225 #include <netdb.h>
 226 #include <string.h>
 227 #include <sys/socket.h>
 228 #include <netinet/in.h>
 229
 230 main()
 231 {
 232   int passive, gaierr, inet4 = 0, inet6 = 0;
 233   struct addrinfo hints, *ai, *aitop;
 234   char straddr[INET6_ADDRSTRLEN], strport[16];
 235
 236   for (passive = 0; passive <= 1; passive++) {
 237     memset(&hints, 0, sizeof(hints));
 238     hints.ai_family = AF_UNSPEC;
 239     hints.ai_flags = passive ? AI_PASSIVE : 0;
 240     hints.ai_socktype = SOCK_STREAM;
 241     if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
 242       (void)gai_strerror(gaierr);
 243       goto bad;
 244     }
 245     for (ai = aitop; ai; ai = ai->ai_next) {
 246       if (ai->ai_addr == NULL ||
 247           ai->ai_addrlen == 0 ||
 248           getnameinfo(ai->ai_addr, ai->ai_addrlen,
 249                       straddr, sizeof(straddr), strport, sizeof(strport),
 250                       NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
 251         goto bad;
 252       }
 253       switch (ai->ai_family) {
 254       case AF_INET:
 255         if (strcmp(strport, "54321") != 0) {
 256           goto bad;
 257         }
 258         if (passive) {
 259           if (strcmp(straddr, "0.0.0.0") != 0) {
 260             goto bad;
 261           }
 262         } else {
 263           if (strcmp(straddr, "127.0.0.1") != 0) {
 264             goto bad;
 265           }
 266         }
 267         inet4++;
 268         break;
 269       case AF_INET6:
 270         if (strcmp(strport, "54321") != 0) {
 271           goto bad;
 272         }
 273         if (passive) {
 274           if (strcmp(straddr, "::") != 0) {
 275             goto bad;
 276           }
 277         } else {
 278           if (strcmp(straddr, "::1") != 0) {
 279             goto bad;
 280           }
 281         }
 282         inet6++;
 283         break;
 284       case AF_UNSPEC:
 285         goto bad;
 286         break;
 287 #ifdef AF_UNIX
 288       case AF_UNIX:
 289 #else
 290 #ifdef AF_LOCAL
 291       case AF_LOCAL:
 292 #endif
 293 #endif
 294       default:
 295         /* another family support? */
 296         break;
 297       }
 298     }
 299   }
 300
 301   /* supported family should be 2, unsupported family should be 0 */
 302   if (!(inet4 == 0 || inet4 == 2))
 303     goto bad;
 304   if (!(inet6 == 0 || inet6 == 2))
 305     goto bad;
 306
 307   if (aitop)
 308     freeaddrinfo(aitop);
 309   exit(0);
 310
 311  bad:
 312   if (aitop)
 313     freeaddrinfo(aitop);
 314   exit(1);
 315 }
 316 ],
 317         AC_MSG_RESULT(good)
 318         buggygetaddrinfo=no,
 319         AC_MSG_RESULT(buggy)
 320         buggygetaddrinfo=yes,
 321         AC_MSG_RESULT(buggy)
 322         buggygetaddrinfo=yes)], [buggygetaddrinfo=yes])
 323
 324         if test "$buggygetaddrinfo" = "yes"; then
 325                 if test "$ipv6type" != "linux"; then
 326                         echo 'Fatal: You must get working getaddrinfo() function.'
 327                         echo '       or you can specify "--disable-ipv6"'.
 328                         exit 1
 329                 else
 330                         echo 'Warning: getaddrinfo() implementation on your system seems be buggy.'
 331                         echo '         Better upgreade your system library to newest version'
 332                         echo '         of GNU C library (aka glibc).'
 333                 fi
 334         fi
 335         AC_REPLACE_FUNCS(getaddrinfo getnameinfo)
 336 fi
 337 AC_REPLACE_FUNCS(inet_ntop inet_pton inet_aton)
 338
 339 dnl portability macros for getaddrinfo/getnameinfo
 340 dnl
 341 dnl Check for sa_len
 342 AC_CHECK_SA_LEN(ac_cv_sockaddr_has_sa_len)
 343 if test "$ac_cv_sockaddr_has_sa_len" = no; then
 344         missing_includes=yes
 345 fi
 346
 347 dnl
 348 dnl check __P macro
 349 AC_CHECK_PORTABLE_PROTO(ac_cv_portable_proto)
 350 if test "$ac_cv_portable_proto" = no; then
 351         missing_includes=yes
 352 fi
 353
 354 dnl
 355 dnl check sizeof basic types.
 356 dnl They're very likely to be wrong for cross-compiling.
 357 AC_CHECK_SIZEOF(char, 1)
 358 AC_CHECK_SIZEOF(short, 2)
 359 AC_CHECK_SIZEOF(int, 4)
 360 AC_CHECK_SIZEOF(long, 4)
 361
 362 dnl
 363 dnl Checks for u_intXX_t
 364 dnl AC_CHECK_BITTYPES(ac_cv_bittypes)
 365 dnl if test "$ac_cv_bittypes" = no; then
 366 dnl     missing_includes=yes
 367 dnl fi
 368
 369 dnl
 370 dnl Checks for addrinfo structure
 371 AC_STRUCT_ADDRINFO(ac_cv_addrinfo)
 372 if test "$ac_cv_addrinfo" = no; then
 373         missing_includes=yes
 374 fi
 375
 376 dnl
 377 dnl Checks for NI_MAXSERV
 378 AC_NI_MAXSERV(ac_cv_maxserv)
 379 if test "$ac_cv_maxserv" = no; then
 380         missing_includes=yes
 381 fi
 382
 383 dnl
 384 dnl Checks for NI_NAMEREQD
 385 AC_NI_NAMEREQD(ac_cv_namereqd)
 386 if test "$ac_cv_namereqd" = no; then
 387         missing_includes=yes
 388 fi
 389
 390 dnl
 391 dnl Checks for sockaddr_storage structure
 392 AC_STRUCT_SA_STORAGE(ac_cv_sa_storage)
 393 if test "$ac_cv_sa_storage" = no; then
 394         missing_includes=yes
 395 fi
 396
 397 dnl
 398 dnl Checks for IN[6]ADDRSZ
 399 AC_CHECK_ADDRSZ(ac_cv_addrsz)
 400 if test "$ac_cv_addrsz" = no; then
 401         missing_includes=yes
 402 fi
 403
 404 dnl
 405 dnl Checks for RES_USE_INET6
 406 AC_CHECK_RES_USE_INET6(ac_cv_res_inet6)
 407 if test "$ac_cv_res_inet6" = no; then
 408         missing_includes=yes
 409 fi
 410
 411 dnl
 412 dnl Checks for res_state_ext structure
 413 AC_STRUCT_RES_STATE_EXT(ac_cv_res_state_ext)
 414 if test "$ac_cv_res_state_ext" = no; then
 415         missing_includes=yes
 416 fi
 417
 418 dnl
 419 dnl Checks if res_state structure has nsort member.
 420 AC_STRUCT_RES_STATE(ac_cv_res_state)
 421
 422 dnl
 423 dnl set additional include path if necessary
 424 if test "$missing_includes" = "yes"; then
 425         CPPFLAGS="$CPPFLAGS -I\$(srcdir)/missing"
 426         V_INCLS="$V_INCLS -I\$(srcdir)/missing"
 427 fi
 428
 429
 430 AC_REPLACE_FUNCS(vfprintf strcasecmp strlcat strlcpy)
 431 AC_CHECK_FUNCS(ether_ntohost setlinebuf gethostbyname2)
 432
 433 usegetipnodeby=yes
 434 AC_CHECK_FUNCS(getipnodebyname getipnodebyaddr freeaddrinfo,
 435         [], [usegetipnodeby=no])
 436 if test $usegetipnodeby = yes; then
 437         AC_DEFINE(USE_GETIPNODEBY)
 438 fi
 439
 440 needsnprintf=no
 441 AC_CHECK_FUNCS(vsnprintf snprintf asprintf asnprintf vasprintf vasnprintf,,
 442         [needsnprintf=yes])
 443 if test $needsnprintf = yes; then
 444         LIBOBJS="$LIBOBJS snprintf.o"
 445 fi
 446
 447 dnl The following generates a warning from autoconf...
 448 errprint(__file__:__line__: please ignore the next warning:
 449 )dnl
 450 AC_C_BIGENDIAN
 451
 452 AC_CHECK_LIB(dnet, main)
 453 AC_CHECK_LIB(rpc, main)
 454 AC_CHECK_LIB(nsl, getrpcbynumber)
 455 dnl AC_CHECK_LIB(z, uncompress)
 456 dnl AC_CHECK_HEADERS(zlib.h)
 457
 458 AC_LBL_TYPE_SIGNAL
 459
 460 AC_LBL_LIBPCAP(V_PCAPDEP, V_INCLS)
 461
 462 V_GROUP=0
 463 if test -f /etc/group -a ! -z "`grep '^wheel:' /etc/group`" ; then
 464         V_GROUP=wheel
 465 fi
 466 case "$target_os" in
 467
 468 aix*)
 469         dnl Workaround to enable certain features
 470         AC_DEFINE(_SUN)
 471         ;;
 472
 473 irix*)
 474         V_GROUP=sys
 475         ;;
 476
 477 linux*)
 478         V_INCLS="$V_INCLS -I\$(srcdir)/linux-include"
 479         ;;
 480
 481 osf*)
 482         V_GROUP=system
 483         dnl Workaround around ip_hl vs. ip_vhl problem in netinet/ip.h
 484         AC_DEFINE(__STDC__,2)
 485         ;;
 486
 487 solaris*)
 488         V_GROUP=sys
 489         ;;
 490 esac
 491
 492 if test -f /dev/bpf0 ; then
 493         V_GROUP=bpf
 494 fi
 495
 496 AC_LBL_CHECK_TYPE(u_int8_t, u_char)
 497 AC_LBL_CHECK_TYPE(int16_t, short)
 498 AC_LBL_CHECK_TYPE(u_int16_t, u_short)
 499 AC_LBL_CHECK_TYPE(int32_t, int)
 500 AC_LBL_CHECK_TYPE(u_int32_t, u_int)
 501
 502 AC_LBL_DEVEL(V_CCOPT)
 503
 504 AC_LBL_SOCKADDR_SA_LEN
 505
 506 AC_MSG_CHECKING(if ether_header uses ether_addr structs)
 507 AC_CACHE_VAL(ac_cv_ether_header_has_ea,
 508     LBL_SAVE_CFLAGS="$CFLAGS"
 509     CFLAGS="$CFLAGS $V_INCLS"
 510     AC_TRY_COMPILE([
 511 #       include <sys/types.h>
 512 #       if __STDC__
 513         /* osf3 has REALLY good prototyes */
 514         struct mbuf;
 515         struct rtentry;
 516 #       endif
 517 #       include <sys/socket.h>
 518 #       include <net/if.h>
 519 #       include <netinet/in.h>
 520 #       include <netinet/if_ether.h>],
 521         [u_int i =
 522             sizeof(((struct ether_header *)0)->ether_dhost.ether_addr_octet)],
 523         ac_cv_ether_header_has_ea=yes,
 524         ac_cv_ether_header_has_ea=no)
 525     CFLAGS="$LBL_SAVE_CFLAGS")
 526 AC_MSG_RESULT($ac_cv_ether_header_has_ea)
 527 if test $ac_cv_ether_header_has_ea = yes ; then
 528         AC_DEFINE(ETHER_HEADER_HAS_EA)
 529 fi
 530
 531 AC_MSG_CHECKING(if ether_arp uses ether_addr structs)
 532 AC_CACHE_VAL(ac_cv_ether_arp_has_ea,
 533     LBL_SAVE_CFLAGS="$CFLAGS"
 534     CFLAGS="$CFLAGS $V_INCLS"
 535     AC_TRY_COMPILE([
 536 #       include <sys/types.h>
 537 #       if __STDC__
 538         /* osf3 has REALLY good prototyes */
 539         struct mbuf;
 540         struct rtentry;
 541 #       endif
 542 #       include <sys/socket.h>
 543 #       include <net/if.h>
 544 #       include <netinet/in.h>
 545 #       include <netinet/if_ether.h>],
 546         [u_int i =
 547             sizeof(((struct ether_arp *)0)->arp_sha.ether_addr_octet)],
 548         ac_cv_ether_arp_has_ea=yes,
 549         ac_cv_ether_arp_has_ea=no)
 550     CFLAGS="$LBL_SAVE_CFLAGS")
 551 AC_MSG_RESULT($ac_cv_ether_arp_has_ea)
 552 if test $ac_cv_ether_arp_has_ea = yes ; then
 553         AC_DEFINE(ETHER_ARP_HAS_EA)
 554 fi
 555
 556 AC_MSG_CHECKING(if ether_arp uses erp_xsha member)
 557 AC_CACHE_VAL(ac_cv_struct_ether_arp_x,
 558     LBL_SAVE_CFLAGS="$CFLAGS"
 559     CFLAGS="$CFLAGS $V_INCLS"
 560     AC_TRY_COMPILE([
 561 #       include <sys/types.h>
 562 #       include <sys/socket.h>
 563 #       if __STDC__
 564         /* osf3 has REALLY good prototyes */
 565         struct mbuf;
 566         struct rtentry;
 567 #       endif
 568 #       include <net/if.h>
 569 #       include <netinet/in.h>
 570 #       include <netinet/if_ether.h>],
 571         [u_int i = sizeof( ((struct ether_arp *)0)->arp_xsha)],
 572         ac_cv_struct_ether_arp_x=yes,
 573         ac_cv_struct_ether_arp_x=no)
 574     CFLAGS="$LBL_SAVE_CFLAGS")
 575 AC_MSG_RESULT($ac_cv_struct_ether_arp_x)
 576 if test $ac_cv_struct_ether_arp_x = yes ; then
 577         AC_DEFINE(ETHER_ARP_HAS_X)
 578 fi
 579
 580 AC_LBL_UNALIGNED_ACCESS
 581
 582 AC_VAR_H_ERRNO
 583
 584 AC_MSG_CHECKING(for SSLeay)
 585 ac_cv_ssleay_path=no
 586 incdir=no
 587 for dir in /usr /usr/local /usr/local/ssl /usr/pkg; do
 588         if test -d $dir/lib -a -f $dir/lib/libcrypto.a; then
 589                 ac_cv_ssleay_path=$dir
 590         fi
 591         if test -d $dir/include/ssleay -a -f $dir/include/ssleay/des.h; then
 592           incdir="-I$dir/include/ssleay"
 593         elif test -d $dir/include/openssl -a -f $dir/include/openssl/des.h; then
 594           incdir="-I$dir/include -I$dir/include/openssl"
 595         elif test -d $dir/include -a -f $dir/include/des.h; then
 596                 incdir="-I$dir/include"
 597         fi
 598         if test "$ac_cv_ssleay_path" != "no" -a "$incdir" != "no"; then
 599                 break;
 600         else
 601                 ac_cv_ssleay_path=no
 602                 incdir=no
 603         fi
 604 done
 605 AC_MSG_RESULT($ac_cv_ssleay_path)
 606 if test "$ac_cv_ssleay_path" != no; then
 607         V_INCLS="$V_INCLS $incdir"
 608         LIBS="$LIBS -L$dir/lib"
 609         if test -f $ac_cv_ssleay_path/lib/libRSAglue.a; then
 610                 LIBS="$LIBS -lRSAglue"
 611         fi
 612         if test -f $ac_cv_ssleay_path/lib/librsaref.a; then
 613                 LIBS="$LIBS -lrsaref"
 614         fi
 615         AC_CHECK_LIB(crypto, des_cbc_encrypt)
 616
 617         bak_CPPFLAGS=$CPPFLAGS
 618         CPPFLAGS="$CPPFLAGS $V_INCLS"
 619         AC_CHECK_HEADERS(cast.h rc5.h)
 620
 621         if test "$ac_cv_header_cast_h" = "yes"; then
 622                 AC_MSG_CHECKING(for buggy CAST128)
 623                 AC_TRY_RUN(dnl
 624 [
 625 #include <cast.h>
 626 main()
 627 {
 628         unsigned char key[] = {0x01,0x23,0x45,0x67,0x12};
 629         unsigned char in[] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
 630         unsigned char out[sizeof(in)];
 631         unsigned char ok[] = {0x7A,0xC8,0x16,0xD1,0x6E,0x9B,0x30,0x2E};
 632         CAST_KEY ks;
 633         CAST_set_key(&ks, sizeof(key), key);
 634         CAST_ecb_encrypt(in, out, &ks, CAST_ENCRYPT);
 635         if (memcmp(out, ok, sizeof(ok)) != 0)
 636                 return 0;
 637         else
 638                 return 1;
 639 }],
 640                         [buggy_cast128=yes],
 641                         [buggy_cast128=no],
 642                         [buggy_cast128="cross-compiling, assume yes"])
 643                 AC_MSG_RESULT($buggy_cast128)
 644                 if test "$buggy_cast128" != no; then
 645                         echo "NOTE: SSLeay 0.9.0b has a bug in CAST128 en/decoding routine."
 646                         echo "disabling CAST128 support."
 647                         AC_DEFINE(HAVE_BUGGY_CAST128)
 648                 fi
 649         fi
 650
 651         CPPFLAGS=$bak_CPPFLAGS
 652 fi
 653
 654 if test -r ${srcdir}/lbl/gnuc.h ; then
 655         rm -f gnuc.h
 656         ln -s ${srcdir}/lbl/gnuc.h gnuc.h
 657 fi
 658
 659 AC_SUBST(V_CCOPT)
 660 AC_SUBST(V_GROUP)
 661 AC_SUBST(V_INCLS)
 662 AC_SUBST(V_PCAPDEP)
 663 AC_SUBST(LOCALSRC)
 664
 665 AC_PROG_INSTALL
 666
 667 AC_CONFIG_HEADER(config.h)
 668
 669 AC_OUTPUT_COMMANDS([if test -f .devel; then
 670         echo timestamp > stamp-h
 671         cat Makefile-devel-adds >> Makefile
 672         make depend
 673 fi])
 674 AC_OUTPUT(Makefile)
 675 exit 0