configure.ac

   1 ##
   2 ## Configure template file for Zebra.
   3 ## autoconf will generate configure script.
   4 ##
   5 ##  Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
   6 ##
   7 AC_PREREQ(2.13)
   8
   9 AC_INIT(lib/zebra.h)
  10 AM_INIT_AUTOMAKE(zebra, 0.94)
  11 AM_CONFIG_HEADER(config.h)
  12
  13 dnl -----------------------------------
  14 dnl Get hostname and other information.
  15 dnl -----------------------------------
  16 AC_CANONICAL_HOST
  17
  18 dnl ------------
  19 dnl Check CFLAGS
  20 dnl ------------
  21 AC_ARG_WITH(cflags,
  22 [  --with-cflags           Set CFLAGS for use in compilation.])
  23 if test "x$with_cflags" != "x" ; then
  24   CFLAGS="$with_cflags" ; cflags_specified=yes ;
  25 elif test -n "$CFLAGS" ; then
  26   cflags_specified=yes ;
  27 fi
  28
  29 dnl --------
  30 dnl Check CC
  31 dnl --------
  32 AC_PROG_CC
  33
  34 dnl -----------------------------------------
  35 dnl If CLFAGS doesn\'t exist set default value
  36 dnl -----------------------------------------
  37 if test "x$cflags_specified" = "x" ; then
  38   CFLAGS="$CFLAGS -Wall"
  39 fi
  40
  41 dnl --------------
  42 dnl Check programs
  43 dnl --------------
  44 AC_PROG_CPP
  45 AC_PROG_INSTALL
  46 AC_PROG_MAKE_SET
  47 AC_CHECK_TOOL(AR, ar)
  48 AC_CHECK_TOOL(RANLIB, ranlib, :)
  49
  50 dnl ---------
  51 dnl AIX check
  52 dnl ---------
  53 AC_AIX
  54
  55 dnl ----------------------
  56 dnl Packages configuration
  57 dnl ----------------------
  58 AC_ARG_ENABLE(vtysh,
  59 [  --enable-vtysh,       Make integrated VTY version of zebra])
  60 AC_ARG_ENABLE(ipv6,
  61 [  --disable-ipv6          turn off IPv6 related features and daemons])
  62 AC_ARG_ENABLE(zebra,
  63 [  --disable-zebra         do not build zebra daemon])
  64 AC_ARG_ENABLE(bgpd,
  65 [  --disable-bgpd          do not build bgpd])
  66 AC_ARG_ENABLE(ripd,
  67 [  --disable-ripd          do not build ripd])
  68 AC_ARG_ENABLE(ripngd,
  69 [  --disable-ripngd        do not build ripngd])
  70 AC_ARG_ENABLE(ospfd,
  71 [  --disable-ospfd         do not build ospfd])
  72 AC_ARG_ENABLE(ospf6d,
  73 [  --disable-ospf6d        do not build ospf6d])
  74 AC_ARG_ENABLE(bgp-announce,
  75 [  --disable-bgp-announce, turn off BGP route announcement])
  76 AC_ARG_ENABLE(netlink,
  77 [  --enable-netlink        force to use Linux netlink interface])
  78 AC_ARG_ENABLE(broken-aliases,
  79 [  --enable-broken-aliases enable aliases as distinct interfaces for Linux 2.2.X])
  80 AC_ARG_ENABLE(snmp,
  81 [  --enable-snmp           enable SNMP support])
  82 AC_ARG_WITH(libpam,
  83 [  --with-libpam           use libpam for PAM support in vtysh])
  84 AC_ARG_ENABLE(tcp-zebra,
  85 [  --enable-tcp-zebra      enable TCP/IP socket connection between zebra and protocol daemon])
  86 dnl Temporary option until OSPF NSSA implementation complete
  87 AC_ARG_ENABLE(nssa,
  88 [  --enable-nssa           enable OSPF NSSA option])
  89 AC_ARG_ENABLE(opaque-lsa,
  90 [  --enable-opaque-lsa     enable OSPF Opaque-LSA with OSPFAPI support (RFC2370)])
  91 AC_ARG_ENABLE(ospfapi,
  92 [  --disable-ospfapi       do not build OSPFAPI to access the OSPF LSA Database,
  93                           (this is the default if --enable-opaque-lsa is not set)])
  94 AC_ARG_ENABLE(ospfclient,
  95 [  --disable-ospfclient    do not build OSPFAPI client for OSPFAPI,
  96                           (this is the default if --disable-ospfapi is set)])
  97 AC_ARG_ENABLE(ospf-te,
  98 [  --enable-ospf-te        enable Traffic Engineering Extension to OSPF])
  99 AC_ARG_ENABLE(multipath,
 100 [  --enable-multipath=ARG  enable multipath function, ARG must be digit])
 101 AC_ARG_ENABLE(zebra_user,
 102 [  --enable-user=ARG       user to run zebra suite as (default zebra)])
 103 AC_ARG_ENABLE(zebra_group,
 104 [  --enable-group=ARG      group to run zebra suite as (default zebra)])
 105 AC_ARG_ENABLE(vty_group,
 106 [  --enable-vty-group=ARG      set vty sockets to have specified group as owner])
 107
 108 AC_ARG_ENABLE(rtadv,
 109 [  --enable-rtadv         enable IPV6 router advertisement feature])
 110
 111 if test "${enable_broken_aliases}" = "yes"; then
 112   if test "${enable_netlink}" = "yes"
 113   then
 114     echo "Sorry, you can't use netlink with broken aliases"
 115     exit 1
 116   fi
 117   AC_DEFINE(HAVE_BROKEN_ALIASES,,Broken Alias)
 118   enable_netlink=no
 119 fi
 120
 121 if test "${enable_tcp_zebra}" = "yes"; then
 122   AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
 123 fi
 124
 125 if test "${enable_nssa}" = "yes"; then
 126   AC_DEFINE(HAVE_NSSA,,OSPF NSSA)
 127 fi
 128
 129 if test "${enable_opaque_lsa}" = "yes"; then
 130   AC_DEFINE(HAVE_OPAQUE_LSA,,OSPF Opaque LSA)
 131 fi
 132
 133 if test "${enable_ospf_te}" = "yes"; then
 134   AC_DEFINE(HAVE_OPAQUE_LSA,,OSPF Opaque LSA)
 135   AC_DEFINE(HAVE_OSPF_TE,,OSPF TE)
 136 fi
 137
 138 AC_MSG_CHECKING(Should Zebra's RTADV be used)
 139 if test "${enable_rtadv}" = "yes"; then
 140   AC_MSG_RESULT(yes)
 141   AC_DEFINE(HAVE_RTADV,,Enable Zebra IPv6 Routing Advertisements)
 142 else
 143   AC_MSG_RESULT(no)
 144 fi
 145
 146 if test "${enable_user}" = "yes" ; then
 147   enable_user="zebra"
 148 elif test "${enable_user}" = "no"; then
 149   enable_user="root"
 150 fi
 151 AC_DEFINE_UNQUOTED(ZEBRA_USER, "${enable_user}", Zebra User)
 152
 153 if test "${enable_group}" = "yes" ; then
 154   enable_group="zebra"
 155 elif test "${enable_group}" = "no"; then
 156   enable_group="root"
 157 fi
 158 AC_DEFINE_UNQUOTED(ZEBRA_GROUP, "${enable_group}", Zebra Group)
 159
 160 if test x"${enable_vty_group}" = x"yes" ; then
 161   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 162 fi
 163 if test x"${enable_vty_group}" != x""; then
 164   if test x"${enable_vty_group}" != x"no"; then
 165     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 166   fi
 167 fi
 168
 169 changequote(, )dnl
 170
 171 MULTIPATH_NUM=1
 172
 173 case "${enable_multipath}" in
 174   [0-9]|[1-9][0-9])
 175     MULTIPATH_NUM="${enable_multipath}"
 176     ;;
 177   "")
 178     ;;
 179   *)
 180     echo "Please specify digit to --enable-multipath ARG."
 181     exit 1
 182     ;;
 183 esac
 184
 185 changequote([, ])dnl
 186
 187 AC_SUBST(MULTIPATH_NUM)
 188
 189 dnl -------------------
 190 dnl Check header files.
 191 dnl -------------------
 192 AC_STDC_HEADERS
 193 AC_CHECK_HEADERS(string.h stropts.h sys/conf.h sys/ksym.h sys/time.h sys/times.h sys/select.h sys/sysctl.h sys/sockio.h sys/types.h net/if_dl.h net/if_var.h linux/version.h kvm.h netdb.h netinet/in.h net/netopt.h netinet/in_var.h netinet/in6_var.h netinet6/in6_var.h netinet/in6.h inet/nd.h asm/types.h netinet/icmp6.h netinet6/nd6.h libutil.h)
 194
 195 dnl check some types
 196 AC_C_CONST
 197 dnl AC_TYPE_PID_T
 198 AC_TYPE_SIGNAL
 199
 200 dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
 201 case "$host" in
 202   *-sunos5.6* | *-solaris2.6*)
 203       opsys=sol2-6
 204       AC_DEFINE(SUNOS_5,,SunOS 5)
 205       AC_CHECK_LIB(xnet, main)
 206       CURSES=-lcurses
 207   ;;
 208   *-sunos5* | *-solaris2*)
 209       AC_DEFINE(SUNOS_5,,SunOS 5)
 210       AC_CHECK_LIB(socket, main)
 211       AC_CHECK_LIB(nsl, main)
 212       CURSES=-lcurses
 213   ;;
 214   *-linux-*)
 215       opsys=gnu-linux
 216       AC_DEFINE(GNU_LINUX,,GNU Linux)
 217   ;;
 218   *-nec-sysv4*)
 219       AC_CHECK_LIB(nsl, gethostbyname)
 220       AC_CHECK_LIB(socket, socket)
 221   ;;
 222   *-freebsd3.2)
 223       AC_DEFINE(FREEBSD_32,,FreeBSD 3.2)
 224   ;;
 225   *-openbsd*)
 226       opsys=openbsd
 227       AC_DEFINE(OPEN_BSD,,OpenBSD)
 228   ;;
 229   *-bsdi*)
 230       opsys=bsdi
 231       OTHER_METHOD="mtu_kvm.o"
 232       AC_CHECK_LIB(kvm, main)
 233   ;;
 234 esac
 235
 236 dnl ---------------------
 237 dnl Integrated VTY option
 238 dnl ---------------------
 239 case "${enable_vtysh}" in
 240   "yes") VTYSH="vtysh";
 241          AC_DEFINE(VTYSH,,VTY shell)
 242          AC_CHECK_LIB(tinfo, tputs, , AC_CHECK_LIB(ncurses, tputs))
 243          AC_CHECK_LIB(readline, main)
 244          if test $ac_cv_lib_readline_main = no; then
 245            AC_MSG_ERROR([vtysh needs libreadline but was not found on your system.])
 246          fi
 247          AC_CHECK_HEADER(readline/history.h)
 248          if test $ac_cv_header_readline_history_h = no;then
 249            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
 250          fi
 251          AC_CHECK_LIB(readline, rl_completion_matches)
 252          if test $ac_cv_lib_readline_rl_completion_matches = no; then
 253            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
 254          fi
 255          ;;
 256   "no" ) VTYSH="";;
 257   *    ) ;;
 258 esac
 259
 260 dnl ----------
 261 dnl PAM module
 262 dnl ----------
 263 if test "$with_libpam" = "yes"; then
 264   AC_CHECK_HEADER(security/pam_misc.h)
 265   if test "$ac_cv_header_security_pam_misc_h" = yes; then
 266     AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
 267     AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
 268     pam_conv_func="misc_conv"
 269   fi
 270   AC_CHECK_HEADER(security/openpam.h)
 271   if test "$ac_cv_header_security_openpam_h" = yes; then
 272     AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
 273     AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
 274     pam_conv_func="openpam_ttyconv"
 275   fi
 276   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
 277     AC_MSG_WARN([*** pam support will not be built ***])
 278     with_libpam="no"
 279   fi
 280 fi
 281
 282 if test "$with_libpam" = "yes"; then
 283 dnl took this test from proftpd's configure.in and suited to our needs
 284 dnl -------------------------------------------------------------------------
 285 dnl
 286 dnl This next check looks funky due to a linker problem with some versions
 287 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
 288 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
 289 dnl with RedHat 6.2 and Debian 2.2 or better.
 290 AC_CHECK_LIB(pam, pam_start,
 291   [AC_CHECK_LIB(pam, $pam_conv_func,
 292     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 293      LIBPAM="-lpam"],
 294     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 295      LIBPAM="-lpam -lpam_misc"]
 296     )
 297   ],
 298
 299   [AC_CHECK_LIB(pam, pam_end,
 300     [AC_CHECK_LIB(pam, $pam_conv_func,
 301       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 302        LIBPAM="-lpam -ldl"],
 303       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 304        LIBPAM="-lpam -ldl -lpam_misc"]
 305      )
 306   ],AC_MSG_WARN([*** pam support will not be built ***]),
 307   [-ldl])
 308   ]
 309 )
 310 fi
 311 AC_SUBST(LIBPAM)
 312
 313 dnl -------------------------------
 314 dnl Endian-ness check
 315 dnl -------------------------------
 316 AC_WORDS_BIGENDIAN
 317
 318 dnl -------------------------------
 319 dnl check the size in byte of the C
 320 dnl -------------------------------
 321 dnl AC_CHECK_SIZEOF(char)
 322 dnl AC_CHECK_SIZEOF(int)
 323 dnl AC_CHECK_SIZEOF(short)
 324 dnl AC_CHECK_SIZEOF(long)
 325
 326 dnl ----------------------------
 327 dnl check existance of functions
 328 dnl ----------------------------
 329 AC_CHECK_FUNCS(bcopy bzero strerror inet_aton daemon snprintf vsnprintf strlcat strlcpy if_nametoindex if_indextoname getifaddrs)
 330 AC_CHECK_FUNCS(setproctitle, ,
 331   [AC_CHECK_LIB(util, setproctitle,
 332      [LIBS="$LIBS -lutil"
 333       AC_DEFINE(HAVE_SETPROCTITLE,, Have setproctitle)
 334      ]
 335    )
 336   ]
 337 )
 338
 339 dnl ------------------------------------
 340 dnl Determine routing get and set method
 341 dnl ------------------------------------
 342 AC_MSG_CHECKING(zebra between kernel interface method)
 343 if test x"$opsys" = x"gnu-linux"; then
 344   if test "${enable_netlink}" = "yes";then
 345     AC_MSG_RESULT(netlink)
 346     RT_METHOD=rt_netlink.o
 347     AC_DEFINE(HAVE_NETLINK,,netlink)
 348     netlink=yes
 349   elif test "${enable_netlink}" = "no"; then
 350     AC_MSG_RESULT(ioctl)
 351     RT_METHOD=rt_ioctl.o
 352     netlink=no
 353   else
 354     AC_MSG_RESULT(netlink)
 355     RT_METHOD=rt_netlink.o
 356     AC_DEFINE(HAVE_NETLINK,,netlink)
 357     netlink=yes
 358   fi
 359 else
 360   if test "$opsys" = "sol2-6";then
 361     AC_MSG_RESULT(solaris)
 362     KERNEL_METHOD="kernel_socket.o"
 363     RT_METHOD="rt_socket.o"
 364   else
 365     AC_TRY_RUN([#include <errno.h>
 366 #include <sys/types.h>
 367 #include <sys/socket.h>
 368
 369 main ()
 370 {
 371   int ac_sock;
 372
 373   ac_sock = socket (AF_ROUTE, SOCK_RAW, 0);
 374   if (ac_sock < 0 && errno == EINVAL)
 375     exit (1);
 376   exit (0);
 377 }],
 378   [KERNEL_METHOD=kernel_socket.o
 379    RT_METHOD=rt_socket.o
 380    AC_MSG_RESULT(socket)],
 381   [RT_METHOD=rt_ioctl.o
 382    AC_MSG_RESULT(ioctl)],
 383   [KERNEL_METHOD=kernel_socket.o
 384    RT_METHOD=rt_socket.o
 385    AC_MSG_RESULT(socket)])
 386   fi
 387 fi
 388 AC_SUBST(RT_METHOD)
 389 AC_SUBST(KERNEL_METHOD)
 390 AC_SUBST(OTHER_METHOD)
 391
 392 dnl ------------------------------
 393 dnl check kernel route read method
 394 dnl ------------------------------
 395 AC_CACHE_CHECK(route read method check, zebra_rtread,
 396 [if test "$netlink" = yes; then
 397   RTREAD_METHOD="rtread_netlink.o"
 398   zebra_rtread="netlink"
 399 else
 400 for zebra_rtread in /proc/net/route /dev/ip /dev/null;
 401 do
 402   test x`ls $zebra_rtread 2>/dev/null` = x"$zebra_rtread" && break
 403 done
 404 case $zebra_rtread in
 405   "/proc/net/route") RTREAD_METHOD="rtread_proc.o"
 406                      zebra_rtread="proc";;
 407   "/dev/ip")         RTREAD_METHOD="rtread_getmsg.o"
 408                      zebra_rtread="getmsg";;
 409   *)                 RTREAD_METHOD="rtread_sysctl.o"
 410                      zebra_rtread="sysctl";;
 411 esac
 412 fi])
 413 AC_SUBST(RTREAD_METHOD)
 414
 415 dnl -----------------------------
 416 dnl check interface lookup method
 417 dnl -----------------------------
 418 AC_MSG_CHECKING(interface looking up method)
 419 if test "$netlink" = yes; then
 420   AC_MSG_RESULT(netlink)
 421   IF_METHOD=if_netlink.o
 422 else
 423   if test "$opsys" = "sol2-6";then
 424     AC_MSG_RESULT(solaris)
 425     IF_METHOD=if_ioctl.o
 426   elif test "$opsys" = "openbsd";then
 427     AC_MSG_RESULT(openbsd)
 428     IF_METHOD=if_ioctl.o
 429   elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
 430     AC_MSG_RESULT(sysctl)
 431     IF_METHOD=if_sysctl.o
 432     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
 433   else
 434     AC_MSG_RESULT(ioctl)
 435     IF_METHOD=if_ioctl.o
 436   fi
 437 fi
 438 AC_SUBST(IF_METHOD)
 439
 440 dnl -----------------------
 441 dnl check proc file system.
 442 dnl -----------------------
 443 if test -r /proc/net/dev; then
 444   AC_DEFINE(HAVE_PROC_NET_DEV,,/proc/net/dev)
 445   IF_PROC=if_proc.o
 446 fi
 447
 448 if test -r /proc/net/if_inet6; then
 449   AC_DEFINE(HAVE_PROC_NET_IF_INET6,,/proc/net/if_inet6)
 450   IF_PROC=if_proc.o
 451 fi
 452 AC_SUBST(IF_PROC)
 453
 454 dnl -----------------------------
 455 dnl check ipforward detect method
 456 dnl -----------------------------
 457 AC_CACHE_CHECK(ipforward method check, zebra_ipforward_path,
 458 [for zebra_ipforward_path in /proc/net/snmp /dev/ip /dev/null;
 459 do
 460   test x`ls $zebra_ipforward_path 2>/dev/null` = x"$zebra_ipforward_path" && break
 461 done
 462 case $zebra_ipforward_path in
 463   "/proc/net/snmp")  IPFORWARD=ipforward_proc.o
 464                      zebra_ipforward_path="proc";;
 465   "/dev/ip")
 466                      case "$host" in
 467                        *-nec-sysv4*)  IPFORWARD=ipforward_ews.o
 468                                       zebra_ipforward_path="ews";;
 469                        *)             IPFORWARD=ipforward_solaris.o
 470                                       zebra_ipforward_path="solaris";;
 471                      esac;;
 472   *)                 IPFORWARD=ipforward_sysctl.o
 473                      zebra_ipforward_path="sysctl";;
 474 esac])
 475 AC_SUBST(IPFORWARD)
 476
 477 AC_CHECK_FUNCS(getaddrinfo, [have_getaddrinfo=yes], [have_getaddrinfo=no])
 478
 479 dnl ----------
 480 dnl IPv6 check
 481 dnl ----------
 482 AC_MSG_CHECKING(whether does this OS have IPv6 stack)
 483 if test "${enable_ipv6}" = "no"; then
 484   AC_MSG_RESULT(disabled)
 485 else
 486 dnl ----------
 487 dnl INRIA IPv6
 488 dnl ----------
 489   if grep IPV6_INRIA_VERSION /usr/include/netinet/in.h >/dev/null 2>&1; then
 490     zebra_cv_ipv6=yes
 491     AC_DEFINE(HAVE_IPV6,1,INRIA IPv6)
 492     AC_DEFINE(INRIA_IPV6,1,INRIA IPv6)
 493     RIPNGD="ripngd"
 494     OSPF6D="ospf6d"
 495     LIB_IPV6=""
 496     AC_MSG_RESULT(INRIA IPv6)
 497 dnl ---------
 498 dnl KAME IPv6
 499 dnl ---------
 500   elif grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
 501     zebra_cv_ipv6=yes
 502     AC_DEFINE(HAVE_IPV6,1,KAME IPv6)
 503     AC_DEFINE(KAME,1,KAME IPv6)
 504     RIPNGD="ripngd"
 505     OSPF6D="ospf6d"
 506     if test -d /usr/local/v6/lib -a -f /usr/local/v6/lib/libinet6.a; then
 507       LIB_IPV6="-L/usr/local/v6/lib -linet6"
 508     fi
 509     AC_MSG_RESULT(KAME)
 510 dnl -------------------------
 511 dnl MUSICA IPv6
 512 dnl  default host check
 513 dnl  It is not used by Kheops
 514 dnl -------------------------
 515   elif grep MUSICA /usr/include6/netinet6/in6.h >/dev/null 2>&1; then
 516     zebra_cv_ipv6=yes
 517     AC_DEFINE(HAVE_IPV6,1,Musicia IPv6)
 518     AC_DEFINE(MUSICA,1,Musica IPv6 stack)
 519     AC_DEFINE(KAME,1,KAME IPv6 stack)
 520     RIPNGD="ripngd"
 521     OSPF6D="ospf6d"
 522     if test -d /usr/local/v6/lib -a -f /usr/local/v6/lib/libinet6.a; then
 523       LIB_IPV6="-L/usr/local/v6/lib -linet6"
 524     fi
 525     AC_MSG_RESULT(MUSICA)
 526 dnl ---------
 527 dnl NRL check
 528 dnl ---------
 529   elif grep NRL /usr/include/netinet6/in6.h >/dev/null 2>&1; then
 530     zebra_cv_ipv6=yes
 531     AC_DEFINE(HAVE_IPV6,1,NRL IPv6)
 532     AC_DEFINE(NRL,1,NRL)
 533     RIPNGD="ripngd"
 534     OSPF6D="ospf6d"
 535     if test x"$opsys" = x"bsdi";then
 536       AC_DEFINE(BSDI_NRL,,BSDI)
 537       AC_MSG_RESULT(BSDI_NRL)
 538     else
 539       AC_MSG_RESULT(NRL)
 540     fi
 541 dnl ----------
 542 dnl Linux IPv6
 543 dnl ----------
 544   elif test "${enable_ipv6}" = "yes"; then
 545     AC_EGREP_CPP(yes, [
 546       #include <linux/version.h>
 547       /* 2.1.128 or later */
 548       #if LINUX_VERSION_CODE >= 0x020180
 549       yes
 550       #endif],
 551       [zebra_cv_ipv6=yes
 552        zebra_cv_linux_ipv6=yes
 553        AC_MSG_RESULT(Linux IPv6)])
 554   else
 555     if test x`ls /proc/net/ipv6_route 2>/dev/null` = x"/proc/net/ipv6_route"
 556      then
 557       zebra_cv_ipv6=yes
 558       zebra_cv_linux_ipv6=yes
 559       AC_MSG_RESULT(Linux IPv6)
 560     fi
 561   fi
 562
 563   if test "$zebra_cv_linux_ipv6" = "yes";then
 564     AC_MSG_CHECKING(for GNU libc >= 2.1)
 565     AC_DEFINE(HAVE_IPV6,1,Linux IPv6)
 566     AC_EGREP_CPP(yes, [
 567 #include <features.h>
 568 #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
 569   yes
 570 #endif],
 571       [glibc=yes
 572        AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
 573        AC_MSG_RESULT(yes)],
 574       AC_MSG_RESULT(no)
 575     )
 576     RIPNGD="ripngd"
 577     OSPF6D="ospf6d"
 578     if test "$glibc" != "yes"; then
 579       INCLUDES="-I/usr/inet6/include"
 580       if test x`ls /usr/inet6/lib/libinet6.a 2>/dev/null` != x;then
 581          LIB_IPV6="-L/usr/inet6/lib -linet6"
 582       fi
 583     fi
 584   fi
 585
 586 dnl -----------------------
 587 dnl Set IPv6 related values
 588 dnl -----------------------
 589   LIBS="$LIB_IPV6 $LIBS"
 590   AC_SUBST(LIB_IPV6)
 591
 592   if test x"$RIPNGD" = x""; then
 593     AC_MSG_RESULT(IPv4 only)
 594   fi
 595 fi
 596
 597 dnl --------------------
 598 dnl Daemon disable check
 599 dnl --------------------
 600 if test "${enable_zebra}" = "no";then
 601   ZEBRA=""
 602 else
 603   ZEBRA="zebra"
 604 fi
 605
 606 if test "${enable_bgpd}" = "no";then
 607   BGPD=""
 608 else
 609   BGPD="bgpd"
 610 fi
 611
 612 if test "${enable_ripd}" = "no";then
 613   RIPD=""
 614 else
 615   RIPD="ripd"
 616 fi
 617
 618 if test "${enable_ospfd}" = "no";then
 619   OSPFD=""
 620 else
 621   OSPFD="ospfd"
 622 fi
 623
 624 OSPFCLIENT=""
 625 if test "${enable_opaque_lsa}" = "yes"; then
 626   if test "${enable_ospfapi}" != "no";then
 627     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
 628
 629     if test "${enable_ospfclient}" != "no";then
 630       OSPFCLIENT="ospfclient"
 631     fi
 632   fi
 633
 634 fi
 635
 636 case "${enable_ripngd}" in
 637   "yes") RIPNGD="ripngd";;
 638   "no" ) RIPNGD="";;
 639   *    ) ;;
 640 esac
 641
 642 case "${enable_ospf6d}" in
 643   "yes") OSPF6D="ospf6d";;
 644   "no" ) OSPF6D="";;
 645   *    ) ;;
 646 esac
 647
 648 if test "${enable_bgp_announce}" = "no";then
 649   AC_DEFINE(DISABLE_BGP_ANNOUNCE,,Disable BGP installation to zebra)
 650 fi
 651
 652 AC_SUBST(ZEBRA)
 653 AC_SUBST(BGPD)
 654 AC_SUBST(RIPD)
 655 AC_SUBST(RIPNGD)
 656 AC_SUBST(OSPFD)
 657 AC_SUBST(OSPF6D)
 658 AC_SUBST(VTYSH)
 659 AC_SUBST(INCLUDES)
 660 AC_SUBST(CURSES)
 661 AC_SUBST(OSPFCLIENT)
 662 AC_SUBST(OSPFAPI)
 663 AC_CHECK_LIB(c, inet_ntop, [AC_DEFINE(HAVE_INET_NTOP,,inet_ntop)])
 664 AC_CHECK_LIB(c, inet_pton, [AC_DEFINE(HAVE_INET_PTON,,inet_pton)])
 665 AC_CHECK_LIB(crypt, crypt)
 666 AC_CHECK_LIB(resolv, res_init)
 667 AC_CHECK_LIB(m, main)
 668
 669 dnl ---------------------------------------------------
 670 dnl BSD/OS 4.1 define inet_XtoY function as __inet_XtoY
 671 dnl ---------------------------------------------------
 672 AC_CHECK_FUNC(__inet_ntop, AC_DEFINE(HAVE_INET_NTOP,,__inet_ntop))
 673 AC_CHECK_FUNC(__inet_pton, AC_DEFINE(HAVE_INET_PTON,,__inet_pton))
 674 AC_CHECK_FUNC(__inet_aton, AC_DEFINE(HAVE_INET_ATON,,__inet_aton))
 675
 676 dnl ---------------------------
 677 dnl check system has GNU regexp
 678 dnl ---------------------------
 679 dnl AC_MSG_CHECKING(whether system has GNU regex)
 680 AC_CHECK_LIB(c, regexec,
 681 [AC_DEFINE(HAVE_GNU_REGEX,,GNU regexp library)
 682  LIB_REGEX=""],
 683 [LIB_REGEX="regex.o"])
 684 AC_SUBST(LIB_REGEX)
 685
 686 dnl ------------------
 687 dnl check SNMP library
 688 dnl ------------------
 689 if test "${enable_snmp}" = "yes";then
 690 dnl  AC_CHECK_LIB(snmp, asn_parse_int, HAVE_SNMP=yes)
 691   if test "${HAVE_SNMP}" = ""; then
 692     old_libs="${LIBS}"
 693     LIBS="-L/usr/lib"
 694     unset ac_cv_lib_snmp_asn_parse_int
 695     AC_CHECK_LIB(crypto, main, NEED_CRYPTO=yes, )
 696     if test "${NEED_CRYPTO}" = ""; then
 697       AC_CHECK_LIB(netsnmp, asn_parse_int, [HAVE_NETSNMP=yes; HAVE_SNMP=yes ])
 698     else
 699       AC_CHECK_LIB(netsnmp, asn_parse_int, [HAVE_NETSNMP=yes; HAVE_SNMP=yes; NEED_CRYPTO=yes;LIBS="$LIBS -lcrypto" ],,"-lcrypto")
 700     fi
 701     LIBS="${old_libs}"
 702   fi
 703   if test "${HAVE_SNMP}" = ""; then
 704     old_libs="${LIBS}"
 705     LIBS="-L/usr/lib"
 706     unset ac_cv_lib_snmp_asn_parse_int
 707     AC_CHECK_LIB(snmp, asn_parse_int, HAVE_SNMP=yes, )
 708     if test "${HAVE_SNMP}" = ""; then
 709       unset ac_cv_lib_snmp_asn_parse_int
 710       AC_CHECK_LIB(crypto, main, NEED_CRYPTO=yes, )
 711       if test "${NEED_CRYPTO}" = "yes"; then
 712         AC_CHECK_LIB(snmp, asn_parse_int, [HAVE_SNMP=yes; NEED_CRYPTO=yes; LIBS="$LIBS -lcrypto" ],,"-lcrypto")
 713       fi
 714     fi
 715     LIBS="${old_libs}"
 716   fi
 717
 718   if test "${HAVE_SNMP}" = ""; then
 719     old_libs="${LIBS}"
 720     LIBS="-L/usr/local/lib"
 721     unset ac_cv_lib_snmp_asn_parse_int
 722     AC_CHECK_LIB(snmp, asn_parse_int, HAVE_SNMP=yes)
 723     if test "${HAVE_SNMP}" = ""; then
 724       unset ac_cv_lib_snmp_asn_parse_int
 725       AC_CHECK_LIB(crypto, main, NEED_CRYPTO=yes, )
 726       if test "${NEED_CRYPTO}" = "yes"; then
 727         AC_CHECK_LIB(snmp, asn_parse_int, [HAVE_SNMP=yes; NEED_CRYPTO=yes; LIBS="$LIBS -lcrypto" ],,"-lcrypto")
 728       fi
 729     fi
 730     LIBS="${old_libs}"
 731   fi
 732
 733   if test "${HAVE_SNMP}" = "yes"; then
 734     for ac_snmp in /usr/include/net-snmp/library/asn1.h /usr/include/ucd-snmp/asn1.h /usr/local/include/ucd-snmp/asn1.h /dev/null
 735     do
 736       test -f "${ac_snmp}" && break
 737     done
 738
 739     case ${ac_snmp} in
 740       /usr/include/net-snmp/*)
 741                   AC_DEFINE(HAVE_SNMP,,SNMP)
 742                   AC_DEFINE(HAVE_NETSNMP,,SNMP)
 743                   AC_DEFINE(UCD_COMPATIBLE,,SNMP)
 744                   CFLAGS="${CFLAGS} -I/usr/include/net-snmp -I/usr/include/net-snmp/library"
 745                   if test "${HAVE_NETSNMP}" = "yes"; then
 746                         LIBS="${LIBS} -lnetsnmp"
 747                   else
 748                         LIBS="${LIBS} -lsnmp"
 749                   fi
 750                   ;;
 751       /usr/include/ucd-snmp/*)
 752                   AC_DEFINE(HAVE_SNMP,,SNMP)
 753                   CFLAGS="${CFLAGS} -I/usr/include/ucd-snmp"
 754                   LIBS="${LIBS} -lsnmp"
 755                   ;;
 756       /usr/local/include/ucd-snmp/*)
 757                   AC_DEFINE(HAVE_SNMP,,SNMP)
 758                   CFLAGS="${CFLAGS} -I/usr/local/include/ucd-snmp"
 759                   LIBS="${LIBS} -L/usr/local/lib -lsnmp"
 760                   ;;
 761     esac
 762     if test "${NEED_CRYPTO}" = "yes"; then
 763       LIBS="${LIBS} -lcrypto"
 764     fi
 765   fi
 766 fi
 767
 768 dnl ----------------------------
 769 dnl check sa_len of sockaddr
 770 dnl ----------------------------
 771 AC_MSG_CHECKING(whether struct sockaddr has a sa_len field)
 772 AC_TRY_COMPILE([#include <sys/types.h>
 773 #include <sys/socket.h>
 774 ],[static struct sockaddr ac_i;int ac_j = sizeof (ac_i.sa_len);],
 775 [AC_MSG_RESULT(yes)
 776  AC_DEFINE(HAVE_SA_LEN,,sa_len)],
 777  AC_MSG_RESULT(no))
 778
 779 dnl ----------------------------
 780 dnl check sin_len of sockaddr_in
 781 dnl ----------------------------
 782 AC_MSG_CHECKING(whether struct sockaddr_in has a sin_len field)
 783 AC_TRY_COMPILE([#include <sys/types.h>
 784 #include <netinet/in.h>
 785 ],[static struct sockaddr_in ac_i;int ac_j = sizeof (ac_i.sin_len);],
 786 [AC_MSG_RESULT(yes)
 787  AC_DEFINE(HAVE_SIN_LEN,,sin_len)],
 788  AC_MSG_RESULT(no))
 789
 790 dnl ----------------------------
 791 dnl check sun_len of sockaddr_un
 792 dnl ----------------------------
 793 AC_MSG_CHECKING(whether struct sockaddr_un has a sun_len field)
 794 AC_TRY_COMPILE([#include <sys/types.h>
 795 #include <sys/un.h>
 796 ],[static struct sockaddr_un ac_i;int ac_j = sizeof (ac_i.sun_len);],
 797 [AC_MSG_RESULT(yes)
 798  AC_DEFINE(HAVE_SUN_LEN,,sun_len)],
 799  AC_MSG_RESULT(no))
 800
 801 dnl -----------------------------------
 802 dnl check sin6_scope_id of sockaddr_in6
 803 dnl -----------------------------------
 804 if test "$zebra_cv_ipv6" = yes; then
 805   AC_MSG_CHECKING(whether struct sockaddr_in6 has a sin6_scope_id field)
 806   AC_TRY_COMPILE([#include <sys/types.h>
 807 #include <netinet/in.h>
 808 ],[static struct sockaddr_in6 ac_i;int ac_j = sizeof (ac_i.sin6_scope_id);],
 809 [AC_MSG_RESULT(yes)
 810  AC_DEFINE(HAVE_SIN6_SCOPE_ID,,scope id)],
 811  AC_MSG_RESULT(no))
 812 fi
 813
 814 dnl ----------------------------
 815 dnl check socklen_t exist or not
 816 dnl ----------------------------
 817 AC_MSG_CHECKING(whther socklen_t is defined)
 818 AC_TRY_COMPILE([#include <sys/types.h>
 819 #include <sys/socket.h>
 820 #include <netinet/in.h>
 821 ],[socklen_t ac_x;],
 822 [AC_MSG_RESULT(yes)
 823  AC_DEFINE(HAVE_SOCKLEN_T,,socklen_t)],
 824  AC_MSG_RESULT(no))
 825
 826 dnl ------------------------
 827 dnl check struct sockaddr_dl
 828 dnl ------------------------
 829 AC_MSG_CHECKING(whether struct sockaddr_dl exist)
 830 AC_EGREP_HEADER(sockaddr_dl,
 831 net/if_dl.h,
 832 [AC_MSG_RESULT(yes)
 833  AC_DEFINE(HAVE_SOCKADDR_DL,,sockaddr_dl)],
 834  AC_MSG_RESULT(no))
 835
 836 dnl --------------------------
 837 dnl check structure ifaliasreq
 838 dnl --------------------------
 839 AC_MSG_CHECKING(whether struct ifaliasreq exist)
 840 AC_EGREP_HEADER(ifaliasreq,
 841 net/if.h,
 842 [AC_MSG_RESULT(yes)
 843  AC_DEFINE(HAVE_IFALIASREQ,,ifaliasreq)],
 844  AC_MSG_RESULT(no))
 845
 846 dnl ----------------------------
 847 dnl check structure in6_aliasreq
 848 dnl ----------------------------
 849 AC_MSG_CHECKING(whether struct in6_aliasreq exist)
 850 AC_EGREP_HEADER(in6_aliasreq,
 851 netinet6/in6_var.h,
 852 [AC_MSG_RESULT(yes)
 853  AC_DEFINE(HAVE_IN6_ALIASREQ,,in6_aliasreq)],
 854  AC_MSG_RESULT(no))
 855
 856 dnl -----------------------------------
 857 dnl check ifra_lifetime of in6_aliasreq
 858 dnl -----------------------------------
 859 AC_MSG_CHECKING(whether in6_aliasreq.ifra_lifetime exist)
 860 AC_TRY_COMPILE([#include <sys/types.h>
 861 #include <netinet6/in6_var.h>
 862 ],[static struct if6_aliasreq ac_i;int ac_j = sizeof (ac_i.ifra_lifetime);],
 863 [AC_MSG_RESULT(yes)
 864  AC_DEFINE(HAVE_IFRA_LIFETIME,,Have in6_aliasreq.ifra_lifetime)],
 865  AC_MSG_RESULT(no))
 866
 867 dnl ---------------------------
 868 dnl check structure rt_addrinfo
 869 dnl ---------------------------
 870 AC_MSG_CHECKING(whether struct rt_addrinfo exist)
 871 AC_EGREP_HEADER(rt_addrinfo,
 872 net/route.h,
 873 [AC_MSG_RESULT(yes)
 874  AC_DEFINE(HAVE_RT_ADDRINFO,,rt_addrinfo)],
 875  AC_MSG_RESULT(no))
 876
 877 dnl --------------------------
 878 dnl check structure in_pktinfo
 879 dnl --------------------------
 880 AC_MSG_CHECKING(whether struct in_pktinfo exist)
 881 AC_TRY_COMPILE([#include <netinet/in.h>
 882 ],[struct in_pktinfo ac_x;],
 883 [AC_MSG_RESULT(yes)
 884  AC_DEFINE(HAVE_INPKTINFO,,in_pktinfo)],
 885  AC_MSG_RESULT(no))
 886
 887 dnl --------------------------------------
 888 dnl checking for getrusage struct and call
 889 dnl --------------------------------------
 890 AC_MSG_CHECKING(whether getrusage is available)
 891 AC_TRY_COMPILE([#include <sys/resource.h>
 892 ],[struct rusage ac_x; getrusage (RUSAGE_SELF, &ac_x);],
 893 [AC_MSG_RESULT(yes)
 894  AC_DEFINE(HAVE_RUSAGE,,rusage)],
 895  AC_MSG_RESULT(no))
 896
 897 dnl -------------------
 898 dnl capabilities checks
 899 dnl -------------------
 900 AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
 901 AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
 902   [AC_MSG_RESULT(yes)
 903    AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
 904    zebra_ac_keepcaps="yes"],
 905    AC_MSG_RESULT(no)
 906 )
 907 if test x"${zebra_ac_keepcaps}" = x"yes"; then
 908   AC_CHECK_HEADERS(sys/capability.h)
 909 fi
 910 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
 911   AC_CHECK_LIB(cap, cap_init,
 912     [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
 913      LIBCAP="-lcap"
 914     ]
 915   )
 916 fi
 917 AC_SUBST(LIBCAP)
 918
 919 dnl ---------------------------
 920 dnl check for glibc 'backtrace'
 921 dnl ---------------------------
 922 if test "${glibc}" = "yes"; then
 923    AC_CHECK_HEADER(execinfo.h)
 924 fi
 925 if test x"${ac_cv_header_execinfo_h}" = x"yes"; then
 926   AC_CHECK_FUNC(backtrace,
 927     [AC_DEFINE(HAVE_GLIBC_BACKTRACE,,Glibc backtrace)]
 928   )
 929 fi
 930
 931 dnl -------------
 932 dnl check version
 933 dnl -------------
 934 file="${srcdir}/lib/version.h"
 935 VERSION=`sed -ne 's/^#.*ZEBRA_VERSION.*\"\([^\"]*\)\"$/\1/p' $file`
 936 AC_SUBST(VERSION)
 937
 938 dnl ----------
 939 dnl configure date
 940 dnl ----------
 941 CONFDATE=`date '+%Y%m%d'`
 942 AC_SUBST(CONFDATE)
 943
 944 dnl ------------------------------
 945 dnl set paths for state directory
 946 dnl ------------------------------
 947 if test "${prefix}" = "NONE"; then
 948   zebra_statedir_prefix="";
 949 else
 950   zebra_statedir_prefix=${prefix}
 951 fi
 952 if test "${localstatedir}" = '${prefix}/var'; then
 953   AC_CACHE_CHECK(state directory,ac_statedir,
 954   [for ZEBRA_STATE_DIR in ${zebra_statedir_prefix}/var/run dnl
 955                         ${zebra_statedir_prefix}/var/adm dnl
 956                         ${zebra_statedir_prefix}/etc dnl
 957                         /var/run        dnl
 958                         /var/adm        dnl
 959                         /etc            dnl
 960                         /dev/null;
 961   do
 962     test -d $ZEBRA_STATE_DIR && break
 963   done
 964   zebra_statedir=$ZEBRA_STATE_DIR])
 965 else
 966   zebra_statedir=${localstatedir}
 967   AC_MSG_CHECKING(directory to use for state file)
 968   AC_MSG_RESULT(${zebra_statedir})
 969 fi
 970 if test $zebra_statedir = "/dev/null"; then
 971     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
 972 fi
 973
 974 AC_DEFINE_UNQUOTED(PATH_ZEBRA_PID, "$zebra_statedir/zebra.pid",zebra PID)
 975 AC_DEFINE_UNQUOTED(PATH_RIPD_PID, "$zebra_statedir/ripd.pid",ripd PID)
 976 AC_DEFINE_UNQUOTED(PATH_RIPNGD_PID, "$zebra_statedir/ripngd.pid",ripngd PID)
 977 AC_DEFINE_UNQUOTED(PATH_BGPD_PID, "$zebra_statedir/bgpd.pid",bgpd PID)
 978 AC_DEFINE_UNQUOTED(PATH_OSPFD_PID, "$zebra_statedir/ospfd.pid",ospfd PID)
 979 AC_DEFINE_UNQUOTED(PATH_OSPF6D_PID, "$zebra_statedir/ospf6d.pid",ospf6d PID)
 980 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$zebra_statedir/zserv.api",zebra api socket)
 981 AC_DEFINE_UNQUOTED(ZEBRA_VTYSH_PATH, "$zebra_statedir/zebra.vty",zebra vty socket)
 982 AC_DEFINE_UNQUOTED(RIP_VTYSH_PATH, "$zebra_statedir/ripd.vty",rip vty socket)
 983 AC_DEFINE_UNQUOTED(RIPNG_VTYSH_PATH, "$zebra_statedir/ripngd.vty",ripng vty socket)
 984 AC_DEFINE_UNQUOTED(BGP_VTYSH_PATH, "$zebra_statedir/bgpd.vty",bgpd vty socket)
 985 AC_DEFINE_UNQUOTED(OSPF_VTYSH_PATH, "$zebra_statedir/ospfd.vty",ospfd vty socket)
 986 AC_DEFINE_UNQUOTED(OSPF6_VTYSH_PATH, "$zebra_statedir/ospf6d.vty",ospf6d vty socket)
 987
 988 dnl ---------------------------
 989 dnl Check htonl works correctly
 990 dnl ---------------------------
 991 AC_MSG_CHECKING(for working htonl)
 992 AC_CACHE_VAL(ac_cv_htonl_works, [
 993 AC_TRY_LINK([#ifdef HAVE_SYS_TYPES_H
 994 #include <sys/types.h>
 995 #endif
 996 #ifdef HAVE_NETDB_H
 997 #include <netdb.h>
 998 #endif
 999 #ifdef HAVE_NETINET_IN_H
1000 #include <netinet/in.h>
1001 #endif],
1002 [htonl (0);],
1003 ac_cv_htonl_works=yes,
1004 ac_cv_htonl_works=no)])
1005 AC_MSG_RESULT($ac_cv_htonl_works)
1006
1007 AC_OUTPUT(Makefile lib/Makefile zebra/Makefile ripd/Makefile
1008           ripngd/Makefile bgpd/Makefile ospfd/Makefile
1009           ospf6d/Makefile vtysh/Makefile doc/Makefile
1010           ospfclient/Makefile
1011           redhat/zebra.spec)
1012
1013 echo "
1014 zebra configuration
1015 -------------------
1016 zebra version           : ${VERSION}
1017 host operationg system  : ${host_os}
1018 source code location    : ${srcdir}
1019 compiler                : ${CC}
1020 compiler flags          : ${CFLAGS}
1021 linker flags            : ${LDFLAGS} ${LIBS}
1022 state file directory    : ${zebra_statedir}
1023 user to run as          : ${enable_user}
1024 group to run as         : ${enable_group}
1025 group for vty sockets   : ${enable_vty_group}
1026 "