1dnl @(#) $Header: /tcpdump/master/tcpdump/configure.in,v 1.204 2008-11-18 07:39:20 guy Exp $ (LBL) 2dnl 3dnl Copyright (c) 1994, 1995, 1996, 1997 4dnl The Regents of the University of California. All rights reserved. 5dnl 6dnl Process this file with autoconf to produce a configure script. 7dnl 8 9# 10# See 11# 12# http://ftp.gnu.org/gnu/config/README 13# 14# for the URLs to use to fetch new versions of config.guess and 15# config.sub. 16# 17 18AC_REVISION($Revision: 1.204 $) 19AC_PREREQ(2.50) 20AC_INIT(tcpdump.c) 21 22AC_CANONICAL_HOST 23 24AC_LBL_C_INIT_BEFORE_CC(V_CCOPT, V_INCLS) 25AC_PROG_CC 26AC_LBL_C_INIT(V_CCOPT, V_INCLS) 27AC_LBL_C_INLINE 28AC_C___ATTRIBUTE__ 29if test "$ac_cv___attribute__" = "yes"; then 30 AC_C___ATTRIBUTE___FORMAT_FUNCTION_POINTER 31fi 32AC_CHECK_HEADERS(fcntl.h rpc/rpcent.h netdnet/dnetdb.h) 33AC_CHECK_HEADERS(net/pfvar.h, , , [#include <sys/types.h> 34#include <sys/socket.h> 35#include <net/if.h>]) 36if test "$ac_cv_header_net_pfvar_h" = yes; then 37 LOCALSRC="print-pflog.c $LOCALSRC" 38fi 39AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h> 40#include <sys/socket.h>]) 41if test "$ac_cv_header_netinet_if_ether_h" != yes; then 42 # 43 # The simple test didn't work. 44 # Do we need to include <net/if.h> first? 45 # Unset ac_cv_header_netinet_if_ether_h so we don't 46 # treat the previous failure as a cached value and 47 # suppress the next test. 48 # 49 AC_MSG_NOTICE([Rechecking with some additional includes]) 50 unset ac_cv_header_netinet_if_ether_h 51 AC_CHECK_HEADERS(netinet/if_ether.h, , , [#include <sys/types.h> 52#include <sys/socket.h> 53#include <netinet/in.h> 54struct mbuf; 55struct rtentry; 56#include <net/if.h>]) 57fi 58 59AC_HEADER_TIME 60 61case "$host_os" in 62 63linux*) 64 AC_MSG_CHECKING(Linux kernel version) 65 if test "$cross_compiling" = yes; then 66 AC_CACHE_VAL(ac_cv_linux_vers, 67 ac_cv_linux_vers=unknown) 68 else 69 AC_CACHE_VAL(ac_cv_linux_vers, 70 ac_cv_linux_vers=`uname -r 2>&1 | \ 71 sed -n -e '$s/.* //' -e '$s/\..*//p'`) 72 fi 73 AC_MSG_RESULT($ac_cv_linux_vers) 74 if test $ac_cv_linux_vers = unknown ; then 75 AC_MSG_ERROR(cannot determine linux version when cross-compiling) 76 fi 77 if test $ac_cv_linux_vers -lt 2 ; then 78 AC_MSG_ERROR(version 2 or higher required; see the INSTALL doc for more info) 79 fi 80 ;; 81 82*) 83 ;; 84esac 85 86 87AC_ARG_WITH(smi, 88[ --with-smi link with libsmi (allows to load MIBs on the fly to decode SNMP packets. [default=yes] 89 --without-smi don't link with libsmi],, 90 with_smi=yes) 91 92if test "x$with_smi" != "xno" ; then 93AC_CHECK_HEADERS(smi.h) 94AC_CHECK_LIB(smi, smiInit) 95if test "$ac_cv_header_smi_h" = yes -a "$ac_cv_lib_smi_smiInit" = yes 96then 97AC_MSG_CHECKING([whether to enable libsmi]) 98 AC_TRY_RUN([ /* libsmi available check */ 99#include <smi.h> 100main() 101{ 102 int current, revision, age, n; 103 const int required = 2; 104 if (smiInit("")) 105 exit(1); 106 if (strcmp(SMI_LIBRARY_VERSION, smi_library_version)) 107 exit(2); 108 n = sscanf(smi_library_version, "%d:%d:%d", ¤t, &revision, &age); 109 if (n != 3) 110 exit(3); 111 if (required < current - age || required > current) 112 exit(4); 113 exit(0); 114} 115], 116[ AC_MSG_RESULT(yes) 117 AC_DEFINE(LIBSMI) 118 libsmi=yes], 119dnl autoconf documentation says that $? contains the exit value. 120dnl reality is that it does not. We leave this in just in case 121dnl autoconf ever comes back to match the documentation. 122[ case $? in 123 1) AC_MSG_RESULT(no - smiInit failed) ;; 124 2) AC_MSG_RESULT(no - header/library version mismatch) ;; 125 3) AC_MSG_RESULT(no - can't determine library version) ;; 126 4) AC_MSG_RESULT(no - too old) ;; 127 *) AC_MSG_RESULT(no) ;; 128 esac 129 libsmi=no], 130[ AC_MSG_RESULT(not when cross-compiling) 131 libsmi=no] 132) 133fi 134fi 135 136AC_MSG_CHECKING([whether to enable the possibly-buggy SMB printer]) 137AC_ARG_ENABLE(smb, 138[ --enable-smb enable possibly-buggy SMB printer [default=yes] 139 --disable-smb disable possibly-buggy SMB printer],, 140 enableval=yes) 141case "$enableval" in 142yes) AC_MSG_RESULT(yes) 143 AC_WARN([The SMB printer may have exploitable buffer overflows!!!]) 144 AC_DEFINE(TCPDUMP_DO_SMB) 145 LOCALSRC="print-smb.c smbutil.c $LOCALSRC" 146 ;; 147*) AC_MSG_RESULT(no) 148 ;; 149esac 150 151AC_ARG_WITH(user, [ --with-user=USERNAME drop privileges by default to USERNAME]) 152AC_MSG_CHECKING([whether to drop root privileges by default]) 153if test ! -z "$with_user" ; then 154 AC_DEFINE_UNQUOTED(WITH_USER, "$withval") 155 AC_MSG_RESULT(to \"$withval\") 156else 157 AC_MSG_RESULT(no) 158fi 159 160AC_ARG_WITH(chroot, [ --with-chroot=DIRECTORY when dropping privileges, chroot to DIRECTORY]) 161AC_MSG_CHECKING([whether to chroot]) 162if test ! -z "$with_chroot" && test "$with_chroot" != "no" ; then 163 AC_DEFINE_UNQUOTED(WITH_CHROOT, "$withval") 164 AC_MSG_RESULT(to \"$withval\") 165else 166 AC_MSG_RESULT(no) 167fi 168 169AC_MSG_CHECKING([whether to enable ipv6]) 170AC_ARG_ENABLE(ipv6, 171[ --enable-ipv6 enable ipv6 (with ipv4) support 172 --disable-ipv6 disable ipv6 support], 173[ case "$enableval" in 174yes) AC_MSG_RESULT(yes) 175 LOCALSRC="print-ip6.c print-ip6opts.c print-mobility.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c $LOCALSRC" 176 AC_DEFINE(INET6) 177 ipv6=yes 178 ;; 179*) 180 AC_MSG_RESULT(no) 181 ipv6=no 182 ;; 183 esac ], 184 185 AC_TRY_RUN([ /* AF_INET6 available check */ 186#include <sys/types.h> 187#include <sys/socket.h> 188main() 189{ 190 if (socket(AF_INET6, SOCK_STREAM, 0) < 0) 191 exit(1); 192 else 193 exit(0); 194} 195], 196[ AC_MSG_RESULT(yes) 197 LOCALSRC="print-ip6.c print-ip6opts.c print-mobility.c print-ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print-dhcp6.c $LOCALSRC" 198 AC_DEFINE(INET6) 199 ipv6=yes], 200[ AC_MSG_RESULT(no) 201 ipv6=no], 202[ AC_MSG_RESULT(no) 203 ipv6=no] 204)) 205 206ipv6type=unknown 207ipv6lib=none 208ipv6trylibc=no 209 210if test "$ipv6" = "yes"; then 211 AC_MSG_CHECKING([ipv6 stack type]) 212 for i in inria kame linux-glibc linux-libinet6 toshiba v6d zeta; do 213 case $i in 214 inria) 215 dnl http://www.kame.net/ 216 AC_EGREP_CPP(yes, 217[#include <netinet/in.h> 218#ifdef IPV6_INRIA_VERSION 219yes 220#endif], 221 [ipv6type=$i; 222 CFLAGS="-DINET6 $CFLAGS"]) 223 ;; 224 kame) 225 dnl http://www.kame.net/ 226 AC_EGREP_CPP(yes, 227[#include <netinet/in.h> 228#ifdef __KAME__ 229yes 230#endif], 231 [ipv6type=$i; 232 ipv6lib=inet6; 233 ipv6libdir=/usr/local/v6/lib; 234 ipv6trylibc=yes; 235 CFLAGS="-DINET6 $CFLAGS"]) 236 ;; 237 linux-glibc) 238 dnl http://www.v6.linux.or.jp/ 239 AC_EGREP_CPP(yes, 240[#include <features.h> 241#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 242yes 243#endif], 244 [ipv6type=$i; 245 CFLAGS="-DINET6 $CFLAGS"]) 246 ;; 247 linux-libinet6) 248 dnl http://www.v6.linux.or.jp/ 249 dnl 250 dnl This also matches Solaris 8 and Tru64 UNIX 5.1, 251 dnl and possibly other versions of those OSes 252 dnl 253 if test -d /usr/inet6 -o -f /usr/include/netinet/ip6.h; then 254 ipv6type=$i 255 ipv6lib=inet6 256 ipv6libdir=/usr/inet6/lib 257 ipv6trylibc=yes; 258 CFLAGS="-DINET6 -I/usr/inet6/include $CFLAGS" 259 fi 260 ;; 261 toshiba) 262 AC_EGREP_CPP(yes, 263[#include <sys/param.h> 264#ifdef _TOSHIBA_INET6 265yes 266#endif], 267 [ipv6type=$i; 268 ipv6lib=inet6; 269 ipv6libdir=/usr/local/v6/lib; 270 CFLAGS="-DINET6 $CFLAGS"]) 271 ;; 272 v6d) 273 AC_EGREP_CPP(yes, 274[#include </usr/local/v6/include/sys/v6config.h> 275#ifdef __V6D__ 276yes 277#endif], 278 [ipv6type=$i; 279 ipv6lib=v6; 280 ipv6libdir=/usr/local/v6/lib; 281 CFLAGS="-I/usr/local/v6/include $CFLAGS"]) 282 ;; 283 zeta) 284 AC_EGREP_CPP(yes, 285[#include <sys/param.h> 286#ifdef _ZETA_MINAMI_INET6 287yes 288#endif], 289 [ipv6type=$i; 290 ipv6lib=inet6; 291 ipv6libdir=/usr/local/v6/lib; 292 CFLAGS="-DINET6 $CFLAGS"]) 293 ;; 294 esac 295 if test "$ipv6type" != "unknown"; then 296 break 297 fi 298 done 299 AC_MSG_RESULT($ipv6type) 300fi 301 302if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then 303 if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then 304 LIBS="-L$ipv6libdir -l$ipv6lib $LIBS" 305 echo "You have $ipv6lib library, using it" 306 else 307 if test "$ipv6trylibc" = "yes"; then 308 echo "You do not have $ipv6lib library, using libc" 309 else 310 echo 'Fatal: no $ipv6lib library found. cannot continue.' 311 echo "You need to fetch lib$ipv6lib.a from appropriate" 312 echo 'ipv6 kit and compile beforehand.' 313 exit 1 314 fi 315 fi 316fi 317 318 319if test "$ipv6" = "yes"; then 320 # 321 # XXX - on Tru64 UNIX 5.1, there is no "getaddrinfo()" 322 # function in libc; there are "ngetaddrinfo()" and 323 # "ogetaddrinfo()" functions, and <netdb.h> #defines 324 # "getaddrinfo" to be either "ngetaddrinfo" or 325 # "ogetaddrinfo", depending on whether _SOCKADDR_LEN 326 # or _XOPEN_SOURCE_EXTENDED are defined or not. 327 # 328 # So this test doesn't work on Tru64 5.1, and possibly 329 # on other 5.x releases. This causes the configure 330 # script to become confused, and results in libpcap 331 # being unbuildable. 332 # 333 AC_SEARCH_LIBS(getaddrinfo, socket, [dnl 334 AC_MSG_CHECKING(getaddrinfo bug) 335 AC_CACHE_VAL(td_cv_buggygetaddrinfo, [AC_TRY_RUN([ 336#include <sys/types.h> 337#include <netdb.h> 338#include <string.h> 339#include <sys/socket.h> 340#include <netinet/in.h> 341 342main() 343{ 344 int passive, gaierr, inet4 = 0, inet6 = 0; 345 struct addrinfo hints, *ai, *aitop; 346 char straddr[INET6_ADDRSTRLEN], strport[16]; 347 348 for (passive = 0; passive <= 1; passive++) { 349 memset(&hints, 0, sizeof(hints)); 350 hints.ai_family = AF_UNSPEC; 351 hints.ai_flags = passive ? AI_PASSIVE : 0; 352 hints.ai_socktype = SOCK_STREAM; 353 hints.ai_protocol = IPPROTO_TCP; 354 if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { 355 (void)gai_strerror(gaierr); 356 goto bad; 357 } 358 for (ai = aitop; ai; ai = ai->ai_next) { 359 if (ai->ai_addr == NULL || 360 ai->ai_addrlen == 0 || 361 getnameinfo(ai->ai_addr, ai->ai_addrlen, 362 straddr, sizeof(straddr), strport, sizeof(strport), 363 NI_NUMERICHOST|NI_NUMERICSERV) != 0) { 364 goto bad; 365 } 366 switch (ai->ai_family) { 367 case AF_INET: 368 if (strcmp(strport, "54321") != 0) { 369 goto bad; 370 } 371 if (passive) { 372 if (strcmp(straddr, "0.0.0.0") != 0) { 373 goto bad; 374 } 375 } else { 376 if (strcmp(straddr, "127.0.0.1") != 0) { 377 goto bad; 378 } 379 } 380 inet4++; 381 break; 382 case AF_INET6: 383 if (strcmp(strport, "54321") != 0) { 384 goto bad; 385 } 386 if (passive) { 387 if (strcmp(straddr, "::") != 0) { 388 goto bad; 389 } 390 } else { 391 if (strcmp(straddr, "::1") != 0) { 392 goto bad; 393 } 394 } 395 inet6++; 396 break; 397 case AF_UNSPEC: 398 goto bad; 399 break; 400#ifdef AF_UNIX 401 case AF_UNIX: 402#else 403#ifdef AF_LOCAL 404 case AF_LOCAL: 405#endif 406#endif 407 default: 408 /* another family support? */ 409 break; 410 } 411 } 412 } 413 414 /* supported family should be 2, unsupported family should be 0 */ 415 if (!(inet4 == 0 || inet4 == 2)) 416 goto bad; 417 if (!(inet6 == 0 || inet6 == 2)) 418 goto bad; 419 420 if (aitop) 421 freeaddrinfo(aitop); 422 exit(0); 423 424 bad: 425 if (aitop) 426 freeaddrinfo(aitop); 427 exit(1); 428} 429], 430 td_cv_buggygetaddrinfo=no, 431 td_cv_buggygetaddrinfo=yes, 432 td_cv_buggygetaddrinfo=yes)]) 433 if test "$td_cv_buggygetaddrinfo" = no; then 434 AC_MSG_RESULT(good) 435 else 436 AC_MSG_RESULT(buggy) 437 fi 438 439 if test "$td_cv_buggygetaddrinfo" = "yes"; then 440 # 441 # XXX - it doesn't appear that "ipv6type" can ever be 442 # set to "linux". Should this be testing for 443 # "linux-glibc", or for that *or* "linux-libinet6"? 444 # If the latter, note that "linux-libinet6" is also 445 # the type given to some non-Linux OSes. 446 # 447 if test "$ipv6type" != "linux"; then 448 echo 'Fatal: You must get working getaddrinfo() function.' 449 echo ' or you can specify "--disable-ipv6"'. 450 exit 1 451 else 452 echo 'Warning: getaddrinfo() implementation on your system seems be buggy.' 453 echo ' Better upgrade your system library to newest version' 454 echo ' of GNU C library (aka glibc).' 455 fi 456 fi 457 ]) 458 AC_REPLACE_FUNCS(getnameinfo) 459fi 460 461AC_CACHE_CHECK([for dnet_htoa declaration in netdnet/dnetdb.h], 462[td_cv_decl_netdnet_dnetdb_h_dnet_htoa], 463[AC_EGREP_HEADER(dnet_htoa, netdnet/dnetdb.h, 464 td_cv_decl_netdnet_dnetdb_h_dnet_htoa=yes, 465 td_cv_decl_netdnet_dnetdb_h_dnet_htoa=no)]) 466if test "$td_cv_decl_netdnet_dnetdb_h_dnet_htoa" = yes; then 467 AC_DEFINE(HAVE_NETDNET_DNETDB_H_DNET_HTOA) 468fi 469 470dnl 471dnl check sizeof basic types. 472dnl They're very likely to be wrong for cross-compiling. 473AC_CHECK_SIZEOF(char, 1) 474AC_CHECK_SIZEOF(short, 2) 475AC_CHECK_SIZEOF(int, 4) 476AC_CHECK_SIZEOF(long, 4) 477AC_CHECK_SIZEOF(long long, 8) 478 479dnl 480dnl Checks for addrinfo structure 481AC_STRUCT_ADDRINFO(ac_cv_addrinfo) 482if test "$ac_cv_addrinfo" = no; then 483 missing_includes=yes 484fi 485 486dnl 487dnl Checks for NI_MAXSERV 488AC_NI_MAXSERV(ac_cv_maxserv) 489if test "$ac_cv_maxserv" = no; then 490 missing_includes=yes 491fi 492 493dnl 494dnl Checks for NI_NAMEREQD 495AC_NI_NAMEREQD(ac_cv_namereqd) 496if test "$ac_cv_namereqd" = no; then 497 missing_includes=yes 498fi 499 500dnl 501dnl Checks for sockaddr_storage structure 502AC_STRUCT_SA_STORAGE(ac_cv_sa_storage) 503if test "$ac_cv_sa_storage" = no; then 504 missing_includes=yes 505fi 506 507dnl 508dnl Checks for IN[6]ADDRSZ 509AC_CHECK_ADDRSZ(ac_cv_addrsz) 510if test "$ac_cv_addrsz" = no; then 511 missing_includes=yes 512fi 513 514dnl 515dnl Checks for RES_USE_INET6 516AC_CHECK_RES_USE_INET6(ac_cv_res_inet6) 517if test "$ac_cv_res_inet6" = no; then 518 missing_includes=yes 519fi 520 521dnl 522dnl Checks for res_state_ext structure 523AC_STRUCT_RES_STATE_EXT(ac_cv_res_state_ext) 524if test "$ac_cv_res_state_ext" = no; then 525 missing_includes=yes 526fi 527 528dnl 529dnl Checks if res_state structure has nsort member. 530AC_STRUCT_RES_STATE(ac_cv_res_state) 531 532 533AC_REPLACE_FUNCS(vfprintf strcasecmp strlcat strlcpy strdup strsep) 534AC_CHECK_FUNCS(strftime) 535AC_CHECK_FUNCS(setlinebuf alarm) 536 537needsnprintf=no 538AC_CHECK_FUNCS(vsnprintf snprintf,, 539 [needsnprintf=yes]) 540if test $needsnprintf = yes; then 541 AC_LIBOBJ(snprintf) 542fi 543 544AC_LBL_TYPE_SIGNAL 545 546AC_SEARCH_LIBS(dnet_htoa, dnet, AC_DEFINE(HAVE_DNET_HTOA)) 547 548AC_CHECK_LIB(rpc, main) dnl It's unclear why we might need -lrpc 549 550dnl Some platforms may need -lnsl for getrpcbynumber. 551AC_SEARCH_LIBS(getrpcbynumber, nsl, AC_DEFINE(HAVE_GETRPCBYNUMBER)) 552 553dnl AC_CHECK_LIB(z, uncompress) 554dnl AC_CHECK_HEADERS(zlib.h) 555 556AC_LBL_LIBPCAP(V_PCAPDEP, V_INCLS) 557 558# 559# Check for these after AC_LBL_LIBPCAP, so we link with the appropriate 560# libraries (e.g., "-lsocket -lnsl" on Solaris). 561# 562# We don't use AC_REPLACE_FUNCS because that uses AC_CHECK_FUNCS which 563# use AC_CHECK_FUNC which doesn't let us specify the right #includes 564# to make this work on BSD/OS 4.x. BSD/OS 4.x ships with the BIND8 565# resolver, and the way it defines inet_{ntop,pton} is rather strange; 566# it does not ship with a libc symbol "inet_ntop()", it ships with 567# "_inet_ntop()", and has a #define macro in one of the system headers 568# to rename it. 569# 570dnl AC_TRY_COMPILE(inet_ntop inet_pton inet_aton) 571AC_MSG_CHECKING(for inet_ntop) 572AC_TRY_LINK([#include <sys/types.h> 573#include <sys/socket.h> 574#include <netinet/in.h> 575#include <arpa/inet.h>], [char src[4], dst[128]; 576inet_ntop(AF_INET, src, dst, sizeof(dst));], 577 [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) 578 AC_LIBOBJ(inet_ntop)]) 579AC_MSG_CHECKING(for inet_pton) 580AC_TRY_LINK([#include <sys/types.h> 581#include <sys/socket.h> 582#include <netinet/in.h> 583#include <arpa/inet.h>], [char src[128], dst[4]; 584inet_pton(AF_INET, src, dst);], 585 [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) 586 AC_LIBOBJ(inet_pton)]) 587AC_MSG_CHECKING(for inet_aton) 588AC_TRY_LINK([#include <sys/types.h> 589#include <netinet/in.h> 590#include <arpa/inet.h>], [char src[128]; 591struct in_addr dst; 592inet_aton(src, &dst);], 593 [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) 594 AC_LIBOBJ(inet_aton)]) 595 596# 597# Check for these after AC_LBL_LIBPCAP, for the same reason. 598# 599# You are in a twisty little maze of UN*Xes, all different. 600# Some might not have ether_ntohost(). 601# Some might have it, but not declare it in any header file. 602# Some might have it, but declare it in <netinet/if_ether.h>. 603# Some might have it, but declare it in <netinet/ether.h> 604# (And some might have it but document it as something declared in 605# <netinet/ethernet.h>, although <netinet/if_ether.h> appears to work.) 606# 607# Before you is a C compiler. 608# 609AC_CHECK_FUNCS(ether_ntohost, [ 610 AC_CACHE_CHECK(for buggy ether_ntohost, ac_cv_buggy_ether_ntohost, [ 611 AC_TRY_RUN([ 612 #include <netdb.h> 613 #include <sys/types.h> 614 #include <sys/param.h> 615 #include <sys/socket.h> 616 617 int 618 main(int argc, char **argv) 619 { 620 u_char ea[6] = { 0xff, 0xff, 0xff, 0xff, 0xff }; 621 char name[MAXHOSTNAMELEN]; 622 623 ether_ntohost(name, (struct ether_addr *)ea); 624 exit(0); 625 } 626 ], [ac_cv_buggy_ether_ntohost=no], 627 [ac_cv_buggy_ether_ntohost=yes], 628 [ac_cv_buggy_ether_ntohost="not while cross-compiling"])]) 629 if test "$ac_cv_buggy_ether_ntohost" = "no"; then 630 AC_DEFINE(USE_ETHER_NTOHOST) 631 fi 632]) 633if test "$ac_cv_func_ether_ntohost" = yes -a \ 634 "$ac_cv_buggy_ether_ntohost" = "no"; then 635 # 636 # OK, we have ether_ntohost(). Do we have <netinet/if_ether.h>? 637 # 638 if test "$ac_cv_header_netinet_if_ether_h" = yes; then 639 # 640 # Yes. Does it declare ether_ntohost()? 641 # 642 AC_CHECK_DECL(ether_ntohost, 643 [ 644 AC_DEFINE(NETINET_IF_ETHER_H_DECLARES_ETHER_NTOHOST,, 645 [Define to 1 if netinet/if_ether.h declares `ether_ntohost']) 646 ],, 647 [ 648#include <sys/types.h> 649#include <sys/socket.h> 650#include <netinet/in.h> 651#include <arpa/inet.h> 652struct mbuf; 653struct rtentry; 654#include <net/if.h> 655#include <netinet/if_ether.h> 656 ]) 657 fi 658 # 659 # Did that succeed? 660 # 661 if test "$ac_cv_have_decl_ether_ntohost" != yes; then 662 # 663 # No, how about <netinet/ether.h>, as on Linux? 664 # 665 AC_CHECK_HEADERS(netinet/ether.h) 666 if test "$ac_cv_header_netinet_ether_h" = yes; then 667 # 668 # We have it - does it declare ether_ntohost()? 669 # Unset ac_cv_have_decl_ether_ntohost so we don't 670 # treat the previous failure as a cached value and 671 # suppress the next test. 672 # 673 unset ac_cv_have_decl_ether_ntohost 674 AC_CHECK_DECL(ether_ntohost, 675 [ 676 AC_DEFINE(NETINET_ETHER_H_DECLARES_ETHER_NTOHOST,, 677 [Define to 1 if netinet/ether.h declares `ether_ntohost']) 678 ],, 679 [ 680#include <netinet/ether.h> 681 ]) 682 fi 683 fi 684 # 685 # Is ether_ntohost() declared? 686 # 687 if test "$ac_cv_have_decl_ether_ntohost" != yes; then 688 # 689 # No, we'll have to declare it ourselves. 690 # Do we have "struct ether_addr"? 691 # 692 AC_CHECK_TYPES(struct ether_addr,,, 693 [ 694#include <sys/types.h> 695#include <sys/socket.h> 696#include <netinet/in.h> 697#include <arpa/inet.h> 698struct mbuf; 699struct rtentry; 700#include <net/if.h> 701#include <netinet/if_ether.h> 702 ]) 703 AC_DEFINE(HAVE_DECL_ETHER_NTOHOST, 0, 704 [Define to 1 if you have the declaration of `ether_ntohost', and to 0 if you 705don't.]) 706 else 707 AC_DEFINE(HAVE_DECL_ETHER_NTOHOST, 1, 708 [Define to 1 if you have the declaration of `ether_ntohost', and to 0 if you 709don't.]) 710 fi 711fi 712 713# libdlpi is needed for Solaris 11 and later. 714AC_CHECK_LIB(dlpi, dlpi_walk, LIBS="$LIBS -ldlpi" LDFLAGS="-L/lib $LDFLAGS", ,-L/lib) 715 716dnl portability macros for getaddrinfo/getnameinfo 717dnl 718dnl Check for sa_len 719AC_CHECK_SA_LEN(ac_cv_sockaddr_has_sa_len) 720if test "$ac_cv_sockaddr_has_sa_len" = no; then 721 missing_includes=yes 722fi 723 724# 725# Do we have the new open API? Check for pcap_create, and assume that, 726# if we do, we also have pcap_activate() and the other new routines. 727AC_CHECK_FUNCS(pcap_create) 728 729AC_CHECK_FUNCS(pcap_findalldevs pcap_dump_flush pcap_lib_version) 730if test $ac_cv_func_pcap_findalldevs = "yes" ; then 731dnl Check for Mac OS X, which may ship pcap.h from 0.6 but libpcap may 732dnl be 0.8; this means that lib has pcap_findalldevs but header doesn't 733dnl have pcap_if_t. 734 savedppflags="$CPPLAGS" 735 CPPFLAGS="$CPPFLAGS $V_INCLS" 736 AC_CHECK_TYPES(pcap_if_t, , , [#include <pcap.h>]) 737 CPPFLAGS="$savedcppflags" 738fi 739 740if test $ac_cv_func_pcap_lib_version = "no" ; then 741 AC_MSG_CHECKING(whether pcap_version is defined by libpcap) 742 AC_TRY_LINK([], 743 [ 744 extern char pcap_version[]; 745 746 return (int)pcap_version; 747 ], 748 ac_lbl_cv_pcap_version_defined=yes, 749 ac_lbl_cv_pcap_version_defined=no) 750 if test "$ac_lbl_cv_pcap_version_defined" = yes ; then 751 AC_MSG_RESULT(yes) 752 AC_DEFINE(HAVE_PCAP_VERSION) 753 else 754 AC_MSG_RESULT(no) 755 fi 756fi 757AC_MSG_CHECKING(whether pcap_debug is defined by libpcap) 758AC_TRY_LINK([], 759 [ 760 extern int pcap_debug; 761 762 return pcap_debug; 763 ], 764 ac_lbl_cv_pcap_debug_defined=yes, 765 ac_lbl_cv_pcap_debug_defined=no) 766if test "$ac_lbl_cv_pcap_debug_defined" = yes ; then 767 AC_MSG_RESULT(yes) 768 AC_DEFINE(HAVE_PCAP_DEBUG) 769else 770 AC_MSG_RESULT(no) 771 # 772 # OK, what about "yydebug"? 773 # 774 AC_MSG_CHECKING(whether yydebug is defined by libpcap) 775 AC_TRY_LINK([], 776 [ 777 extern int yydebug; 778 779 return yydebug; 780 ], 781 ac_lbl_cv_yydebug_defined=yes, 782 ac_lbl_cv_yydebug_defined=no) 783 if test "$ac_lbl_cv_yydebug_defined" = yes ; then 784 AC_MSG_RESULT(yes) 785 AC_DEFINE(HAVE_YYDEBUG) 786 else 787 AC_MSG_RESULT(no) 788 fi 789fi 790AC_REPLACE_FUNCS(bpf_dump) dnl moved to libpcap in 0.6 791 792V_GROUP=0 793if test -f /etc/group -a ! -z "`grep '^wheel:' /etc/group`" ; then 794 V_GROUP=wheel 795fi 796# 797# Assume V7/BSD convention for man pages (file formats in section 5, 798# miscellaneous info in section 7). 799# 800MAN_FILE_FORMATS=5 801MAN_MISC_INFO=7 802case "$host_os" in 803 804aix*) 805 dnl Workaround to enable certain features 806 AC_DEFINE(_SUN) 807 ;; 808 809hpux*) 810 # 811 # Use System V conventions for man pages. 812 # 813 MAN_FILE_FORMATS=4 814 MAN_MISC_INFO=5 815 ;; 816 817irix*) 818 V_GROUP=sys 819 820 # 821 # Use System V conventions for man pages. 822 # 823 MAN_FILE_FORMATS=4 824 MAN_MISC_INFO=5 825 ;; 826 827osf*) 828 V_GROUP=system 829 830 # 831 # Use System V conventions for man pages. 832 # 833 MAN_FILE_FORMATS=4 834 MAN_MISC_INFO=5 835 ;; 836 837solaris*) 838 V_GROUP=sys 839 840 # 841 # Use System V conventions for man pages. 842 # 843 MAN_FILE_FORMATS=4 844 MAN_MISC_INFO=5 845 ;; 846esac 847 848if test -f /dev/bpf0 ; then 849 V_GROUP=bpf 850fi 851 852# 853# Check for some headers introduced in later versions of libpcap 854# and used by some printers. 855# 856savedcppflags="$CPPFLAGS" 857CPPFLAGS="$CPPFLAGS $V_INCLS" 858AC_CHECK_HEADERS(pcap/bluetooth.h) 859AC_CHECK_HEADERS(pcap/usb.h) 860CPPFLAGS="$savedcppflags" 861 862AC_CHECK_HEADERS(sys/bitypes.h) 863 864AC_CHECK_TYPE([int8_t], , 865 [AC_DEFINE([int8_t], [signed char], 866 [Define to `signed char' if int8_t not defined.])], 867 [AC_INCLUDES_DEFAULT 868#ifdef HAVE_SYS_BITYPES_H 869#include <sys/bitypes.h> 870#endif]) 871AC_CHECK_TYPE([u_int8_t], , 872 [AC_DEFINE([u_int8_t], [unsigned char], 873 [Define to `unsigned char' if u_int8_t not defined.])], 874 [AC_INCLUDES_DEFAULT 875#ifdef HAVE_SYS_BITYPES_H 876#include <sys/bitypes.h> 877#endif]) 878AC_CHECK_TYPE([int16_t], , 879 [AC_DEFINE([int16_t], [short], 880 [Define to `short' if int16_t not defined.])] 881 [AC_INCLUDES_DEFAULT 882#ifdef HAVE_SYS_BITYPES_H 883#include <sys/bitypes.h> 884#endif]) 885AC_CHECK_TYPE([u_int16_t], , 886 [AC_DEFINE([u_int16_t], [unsigned short], 887 [Define to `unsigned short' if u_int16_t not defined.])], 888 [AC_INCLUDES_DEFAULT 889#ifdef HAVE_SYS_BITYPES_H 890#include <sys/bitypes.h> 891#endif]) 892AC_CHECK_TYPE([int32_t], , 893 [AC_DEFINE([int32_t], [int], 894 [Define to `int' if int32_t not defined.])], 895 [AC_INCLUDES_DEFAULT 896#ifdef HAVE_SYS_BITYPES_H 897#include <sys/bitypes.h> 898#endif]) 899AC_CHECK_TYPE([u_int32_t], , 900 [AC_DEFINE([u_int32_t], [unsigned int], 901 [Define to `unsigned int' if u_int32_t not defined.])], 902 [AC_INCLUDES_DEFAULT 903#ifdef HAVE_SYS_BITYPES_H 904#include <sys/bitypes.h> 905#endif]) 906AC_CHECK_TYPE([int64_t], , 907 [AC_DEFINE([int64_t], [long long], 908 [Define to `long long' if int64_t not defined.])], 909 [AC_INCLUDES_DEFAULT 910#ifdef HAVE_SYS_BITYPES_H 911#include <sys/bitypes.h> 912#endif]) 913AC_CHECK_TYPE([u_int64_t], , 914 [AC_DEFINE([u_int64_t], [unsigned long long], 915 [Define to `unsigned long long' if u_int64_t not defined.])], 916 [AC_INCLUDES_DEFAULT 917#ifdef HAVE_SYS_BITYPES_H 918#include <sys/bitypes.h> 919#endif]) 920 921# 922# We can't just check for <inttypes.h> - some systems have one that 923# doesn't define all the PRI[doxu]64 macros. 924# 925AC_CHECK_HEADERS(inttypes.h, 926 [ 927 # 928 # OK, we have inttypes.h, but does it define those macros? 929 # 930 AC_MSG_CHECKING([[whether inttypes.h defines the PRI[doxu]64 macros]]) 931 AC_COMPILE_IFELSE( 932 [ 933 AC_LANG_SOURCE( 934 [[ 935 #include <inttypes.h> 936 #include <stdio.h> 937 #include <sys/types.h> 938 #ifdef HAVE_SYS_BITYPES_H 939 #include <sys/bitypes.h> 940 #endif 941 942 main() 943 { 944 printf("%" PRId64 "\n", (u_int64_t)1); 945 printf("%" PRIo64 "\n", (u_int64_t)1); 946 printf("%" PRIx64 "\n", (u_int64_t)1); 947 printf("%" PRIu64 "\n", (u_int64_t)1); 948 } 949 ]]) 950 ], 951 [ 952 AC_MSG_RESULT(yes) 953 ac_lbl_inttypes_h_defines_formats=yes 954 ], 955 [ 956 AC_MSG_RESULT(no) 957 ac_lbl_inttypes_h_defines_formats=no 958 ]) 959 ], 960 [ 961 # 962 # We don't have inttypes.h, so it obviously can't define those 963 # macros. 964 # 965 ac_lbl_inttypes_h_defines_formats=no 966 ]) 967if test "$ac_lbl_inttypes_h_defines_formats" = no; then 968 AC_LBL_CHECK_64BIT_FORMAT(l, 969 [ 970 AC_LBL_CHECK_64BIT_FORMAT(ll, 971 [ 972 AC_LBL_CHECK_64BIT_FORMAT(L, 973 [ 974 AC_LBL_CHECK_64BIT_FORMAT(q, 975 [ 976 AC_MSG_ERROR([neither %llx nor %Lx nor %qx worked on a 64-bit integer]) 977 ]) 978 ]) 979 ]) 980 ]) 981fi 982 983AC_PROG_RANLIB 984 985AC_LBL_DEVEL(V_CCOPT) 986 987AC_LBL_SOCKADDR_SA_LEN 988 989AC_LBL_UNALIGNED_ACCESS 990 991AC_VAR_H_ERRNO 992 993# Check for SSLeay 994AC_MSG_CHECKING(whether to use SSLeay libcrypto) 995# Specify location for both includes and libraries. 996want_libcrypto=youmama 997AC_ARG_WITH(crypto, 998 AS_HELP_STRING([--with-crypto@<:@=PATH@:>@], 999 [use SSLeay libcrypto (located in directory PATH, if supplied). @<:@default=yes, if available@:>@]), 1000[ 1001 if test $withval = no 1002 then 1003 want_libcrypto=no 1004 AC_MSG_RESULT(no) 1005 elif test $withval = yes 1006 then 1007 want_libcrypto=yes 1008 AC_MSG_RESULT(yes) 1009 else 1010 want_libcrypto=yes 1011 AC_MSG_RESULT(yes) 1012 crypto_dir=$withval 1013 fi 1014],[ 1015 # 1016 # Use libcrypto if it's present, otherwise don't. 1017 # 1018 want_libcrypto=ifavailable 1019 AC_MSG_RESULT([yes, if available]) 1020]) 1021if test "$want_libcrypto" != "no"; then 1022 ac_cv_ssleay_path=no 1023 incdir=no 1024 if test "x$crypto_dir" = x; then 1025 # 1026 # Location not specified; check the default locations. 1027 # 1028 AC_MSG_CHECKING(where SSLeay is located) 1029 dirs="/usr /usr/local /usr/local/ssl /usr/pkg" 1030 if test "x${host_alias}" != x; then 1031 dirs="/usr/${host_alias} $dirs" 1032 fi 1033 for dir in $dirs; do 1034 AC_LBL_SSLEAY($dir) 1035 1036 if test "$ac_cv_ssleay_path" != "no" -a "$incdir" != "no"; then 1037 break; 1038 else 1039 ac_cv_ssleay_path=no 1040 incdir=no 1041 fi 1042 done 1043 if test "$ac_cv_ssleay_path" != no; then 1044 AC_MSG_RESULT($ac_cv_ssleay_path) 1045 fi 1046 else 1047 AC_MSG_CHECKING(for SSLeay in $crypto_dir) 1048 AC_LBL_SSLEAY($crypto_dir) 1049 if test "$ac_cv_ssleay_path" != no; then 1050 AC_MSG_RESULT(found) 1051 fi 1052 fi 1053 if test "$ac_cv_ssleay_path" != no; then 1054 V_INCLS="$V_INCLS $incdir" 1055 if test "$dir" != "/usr"; then 1056 LDFLAGS="-L$dir/lib $LDFLAGS" 1057 fi 1058 if test -f $ac_cv_ssleay_path/lib/libRSAglue.a; then 1059 LIBS="$LIBS -lRSAglue" 1060 fi 1061 if test -f $ac_cv_ssleay_path/lib/librsaref.a; then 1062 LIBS="$LIBS -lrsaref" 1063 fi 1064 AC_CHECK_LIB(crypto, DES_cbc_encrypt) 1065 1066 CPPFLAGS="$CPPFLAGS $V_INCLS" 1067 AC_CHECK_HEADERS(openssl/evp.h) 1068 else 1069 # 1070 # Not found. Did the user explicitly ask for it? 1071 # 1072 AC_MSG_RESULT(not found) 1073 if test "$want_libcrypto" = yes; then 1074 AC_MSG_ERROR(SSLeay not found) 1075 fi 1076 fi 1077fi 1078 1079dnl 1080dnl set additional include path if necessary 1081if test "$missing_includes" = "yes"; then 1082 CPPFLAGS="$CPPFLAGS -I\$(srcdir)/missing" 1083 V_INCLS="$V_INCLS -I\$(srcdir)/missing" 1084fi 1085 1086AC_SUBST(V_CCOPT) 1087AC_SUBST(V_DEFS) 1088AC_SUBST(V_GROUP) 1089AC_SUBST(V_INCLS) 1090AC_SUBST(V_PCAPDEP) 1091AC_SUBST(LOCALSRC) 1092AC_SUBST(MAN_FILE_FORMATS) 1093AC_SUBST(MAN_MISC_INFO) 1094 1095AC_PROG_INSTALL 1096 1097AC_CONFIG_HEADER(config.h) 1098 1099AC_OUTPUT_COMMANDS([if test -f .devel; then 1100 echo timestamp > stamp-h 1101 cat Makefile-devel-adds >> Makefile 1102 make depend 1103fi]) 1104AC_OUTPUT(Makefile tcpdump.1) 1105exit 0 1106