configure.ac

   1 ##
   2 ## Configure template file for Quagga.
   3 ## autoconf will generate configure script.
   4 ##
   5 ##  Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
   6 ##  Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st>
   7 ##
   8 AC_PREREQ(2.53)
   9
  10 AC_INIT(Quagga, 0.99.23, [https://bugzilla.quagga.net])
  11 AC_CONFIG_SRCDIR(lib/zebra.h)
  12 AC_CONFIG_MACRO_DIR([m4])
  13
  14 dnl -----------------------------------
  15 dnl Get hostname and other information.
  16 dnl -----------------------------------
  17 AC_CANONICAL_BUILD()
  18 AC_CANONICAL_HOST()
  19 AC_CANONICAL_TARGET()
  20
  21 AM_INIT_AUTOMAKE(1.6)
  22 AC_CONFIG_HEADERS(config.h)
  23
  24 AC_PATH_PROG(PERL, perl)
  25 AC_CHECK_PROG([GAWK],[gawk],[gawk],[not-in-PATH])
  26 if test "x$GAWK" = "xnot-in-PATH" ; then
  27         AC_MSG_ERROR([GNU awk is required for lib/memtype.h made by memtypes.awk.
  28 BSD awk complains: awk: gensub doesn't support backreferences (subst "\1") ])
  29 fi
  30 AC_ARG_VAR([GAWK],[GNU AWK])
  31
  32 dnl default is to match previous behavior
  33 exampledir=${sysconfdir}
  34 AC_ARG_ENABLE([exampledir],
  35           AC_HELP_STRING([--enable-exampledir],
  36                          [specify alternate directory for examples]),
  37                          exampledir="$enableval",)
  38 dnl XXX add --exampledir to autoconf standard directory list somehow
  39 AC_SUBST(exampledir)
  40
  41 dnl default is to match previous behavior
  42 pkgsrcrcdir=""
  43 pkgsrcdir=""
  44 AC_ARG_ENABLE([pkgsrcrcdir],
  45           AC_HELP_STRING([--enable-pkgsrcrcdir],
  46                          [specify directory for rc.d scripts]),
  47                          pkgsrcrcdir="$enableval"; pkgsrcdir="pkgsrc",)
  48 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
  49 AC_SUBST(pkgsrcdir)
  50 AC_SUBST(pkgsrcrcdir)
  51
  52 dnl ------------
  53 dnl Check CFLAGS
  54 dnl ------------
  55 AC_ARG_WITH(cflags,
  56 [  --with-cflags           Set CFLAGS for use in compilation.])
  57 if test "x$with_cflags" != "x" ; then
  58   CFLAGS="$with_cflags" ; cflags_specified=yes ;
  59 elif test -n "$CFLAGS" ; then
  60   cflags_specified=yes ;
  61 fi
  62
  63 dnl --------------------
  64 dnl Check CC and friends
  65 dnl --------------------
  66 AC_LANG([C])
  67 AC_PROG_CC
  68 AC_PROG_CPP
  69 AM_PROG_CC_C_O
  70 AC_PROG_EGREP
  71
  72 dnl autoconf 2.59 appears not to support AC_PROG_SED
  73 dnl AC_PROG_SED
  74 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  75
  76 dnl pdflatex and latexmk are needed to build HACKING.pdf
  77 AC_CHECK_PROG([PDFLATEX],[pdflatex],[pdflatex],[/bin/false])
  78 AC_CHECK_PROG([LATEXMK],[latexmk],[latexmk],[/bin/false])
  79 if test "x$PDFLATEX" = "x/bin/false" -o "x$LATEXMK" = "x/bin/false"; then
  80         AC_MSG_WARN([Will not be able to make PDF versions of TeX documents])
  81 else
  82         HAVE_LATEX=true
  83 fi
  84 AM_CONDITIONAL([HAVE_LATEX], [test "x$HAVE_LATEX" = "xtrue"])
  85
  86 dnl ------------------------------------------------------------------
  87 dnl Intel compiler check. Although Intel tries really hard to make icc
  88 dnl look like gcc, there are some differences. It's very verbose with
  89 dnl -Wall and it doesn't support the individual -W options.
  90 dnl ------------------------------------------------------------------
  91 if test "x${GCC}" = "xyes" ; then
  92   COMPILER="GCC"
  93   AC_MSG_CHECKING([whether we are using the Intel compiler])
  94   AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
  95       [AC_MSG_RESULT([no])],
  96       [COMPILER="ICC"
  97        AC_MSG_RESULT([yes])]
  98   )
  99 else
 100   AC_MSG_CHECKING([whether we are using SunPro compiler])
 101   AC_EGREP_CPP([^__SUNPRO_C.*0x5(7|8|9)], ["__SUNPRO_C" __SUNPRO_C],
 102       [AC_MSG_RESULT([no])],
 103       [COMPILER="SUNPRO"
 104        AC_MSG_RESULT([yes])]
 105   )
 106 fi
 107
 108 dnl ---------------------------------------------
 109 dnl If CLFAGS doesn\'t exist set default value
 110 dnl AC_PROG_CC will have set minimal default
 111 dnl already, eg "-O2 -g" for gcc, "-g" for others
 112 dnl (Wall is gcc specific... have to make sure
 113 dnl  gcc is being used before setting it)
 114 dnl
 115 dnl Intel icc 8.0 also sets __GNUC__,
 116 dnl but doesn't support all these fancy -W options.
 117 dnl Intel compiler warnings we ignore:
 118 dnl 279: controlling expression is constant.
 119 dnl 869: parameter "xxx" was never referenced - to avoid massive warnings
 120 dnl      about "self", "vty", "argc" and "argv" never referenced in DEFUN
 121 dnl      macro.
 122 dnl 981: operands are evaluated in unspecified order.
 123 dnl
 124 dnl Sun Studio 10 / SunPro 5.7 is also supported,
 125 dnl so lets set some sane CFLAGS for it.
 126 dnl ---------------------------------------------
 127
 128 AC_MSG_CHECKING([whether to set a default CFLAGS])
 129 if test "x${cflags_specified}" = "x" ; then
 130   case ${COMPILER} in
 131     "ICC")
 132         CFLAGS="-Os -g -Wall"
 133         AC_MSG_RESULT([Intel default])
 134         ;;
 135     "GCC")
 136         CFLAGS="-Os -fno-omit-frame-pointer -g -std=gnu99 -Wall"
 137         CFLAGS="${CFLAGS} -Wsign-compare -Wpointer-arith"
 138         CFLAGS="${CFLAGS} -Wbad-function-cast -Wwrite-strings"
 139         CFLAGS="${CFLAGS} -Wmissing-prototypes -Wmissing-declarations"
 140         CFLAGS="${CFLAGS} -Wchar-subscripts -Wcast-qual"
 141         # TODO: conditionally addd -Wpacked if handled
 142         AC_MSG_RESULT([gcc default])
 143         ;;
 144     "SUNPRO")
 145         CFLAGS="-xO4 -v -g -xspace -xcode=pic32 -xstrconst -xc99"
 146         AC_MSG_RESULT([SunPro default])
 147         ;;
 148     *)
 149         AC_MSG_RESULT([unknown compiler])
 150         ;;
 151   esac
 152 else
 153   AC_MSG_RESULT([CFLAGS supplied by user])
 154 fi
 155
 156 dnl --------------
 157 dnl Check programs
 158 dnl --------------
 159 AC_PROG_INSTALL
 160 AC_PROG_LN_S
 161 AC_PROG_MAKE_SET
 162 AC_CHECK_TOOL(AR, ar)
 163
 164 dnl ---------------------------
 165 dnl We, perhaps unfortunately,
 166 dnl depend on GNU Make specific
 167 dnl constructs.
 168 dnl Give the user a warning if
 169 dnl not GNU Make.
 170 dnl ---------------------------
 171 AC_CACHE_CHECK([if ${MAKE-make} is GNU make], [quagga_cv_gnu_make],
 172         [quagga_cv_gnu_make=no
 173          if ${MAKE-make} --version 2>/dev/null | \
 174                 grep '^GNU Make ' >/dev/null ; then
 175                 quagga_cv_gnu_make=yes;
 176          fi
 177         ]
 178 )
 179
 180 dnl -----------------
 181 dnl System extensions
 182 dnl -----------------
 183 AC_GNU_SOURCE
 184
 185 dnl -------
 186 dnl libtool
 187 dnl -------
 188 AC_PROG_LIBTOOL
 189
 190 dnl ----------------------
 191 dnl Packages configuration
 192 dnl ----------------------
 193 AC_ARG_WITH(pkg-extra-version,
 194         AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
 195         [EXTRAVERSION=$withval],)
 196 AC_ARG_WITH(pkg-git-version,
 197         AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
 198         [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
 199 AC_ARG_ENABLE(vtysh,
 200 [  --enable-vtysh          include integrated vty shell for Quagga])
 201 AC_ARG_ENABLE(ipv6,
 202 [  --disable-ipv6          turn off IPv6 related features and daemons])
 203 AC_ARG_ENABLE(doc,
 204 [  --disable-doc           do not build docs])
 205 AC_ARG_ENABLE(zebra,
 206 [  --disable-zebra         do not build zebra daemon])
 207 AC_ARG_ENABLE(bgpd,
 208 [  --disable-bgpd          do not build bgpd])
 209 AC_ARG_ENABLE(ripd,
 210 [  --disable-ripd          do not build ripd])
 211 AC_ARG_ENABLE(ripngd,
 212 [  --disable-ripngd        do not build ripngd])
 213 AC_ARG_ENABLE(ospfd,
 214 [  --disable-ospfd         do not build ospfd])
 215 AC_ARG_ENABLE(ospf6d,
 216 [  --disable-ospf6d        do not build ospf6d])
 217 AC_ARG_ENABLE(babeld,
 218 [  --disable-babeld        do not build babeld])
 219 AC_ARG_ENABLE(watchquagga,
 220 [  --disable-watchquagga   do not build watchquagga])
 221 AC_ARG_ENABLE(isisd,
 222 [  --enable-isisd          build isisd])
 223 AC_ARG_ENABLE(solaris,
 224 [  --enable-solaris          build solaris])
 225 AC_ARG_ENABLE(bgp-announce,
 226 [  --disable-bgp-announce, turn off BGP route announcement])
 227 AC_ARG_ENABLE(netlink,
 228 [  --enable-netlink        force to use Linux netlink interface])
 229 AC_ARG_ENABLE(broken-aliases,
 230 [  --enable-broken-aliases enable aliases as distinct interfaces for Linux 2.2.X])
 231 AC_ARG_ENABLE(snmp,
 232 [  --enable-snmp=ARG       enable SNMP support (smux or agentx)])
 233 AC_ARG_WITH(libpam,
 234 [  --with-libpam           use libpam for PAM support in vtysh])
 235 AC_ARG_ENABLE(tcp-zebra,
 236 [  --enable-tcp-zebra      enable TCP/IP socket connection between zebra and protocol daemon])
 237 AC_ARG_ENABLE(opaque-lsa,
 238   AC_HELP_STRING([--disable-opaque-lsa],[do not build OSPF Opaque-LSA with OSPFAPI support (RFC2370)]))
 239 AC_ARG_ENABLE(ospfapi,
 240 [  --disable-ospfapi       do not build OSPFAPI to access the OSPF LSA Database])
 241 AC_ARG_ENABLE(ospfclient,
 242 [  --disable-ospfclient    do not build OSPFAPI client for OSPFAPI,
 243                           (this is the default if --disable-ospfapi is set)])
 244 AC_ARG_ENABLE(ospf-te,
 245   AC_HELP_STRING([--disable-ospf-te],[disable Traffic Engineering Extension to OSPF]))
 246 AC_ARG_ENABLE(multipath,
 247 [  --enable-multipath=ARG  enable multipath function, ARG must be digit])
 248 AC_ARG_ENABLE(user,
 249   AC_HELP_STRING([--enable-user=user], [user to run Quagga suite as (default quagga)]))
 250 AC_ARG_ENABLE(group,
 251   AC_HELP_STRING([--enable-group=group], [group to run Quagga suite as (default quagga)]))
 252 AC_ARG_ENABLE(vty_group,
 253 [  --enable-vty-group=ARG  set vty sockets to have specified group as owner])
 254 AC_ARG_ENABLE(configfile_mask,
 255 [  --enable-configfile-mask=ARG  set mask for config files])
 256 AC_ARG_ENABLE(logfile_mask,
 257 [  --enable-logfile-mask=ARG     set mask for log files])
 258
 259 AC_ARG_ENABLE(rtadv,
 260 [  --disable-rtadv               disable IPV6 router advertisement feature])
 261 AC_ARG_ENABLE(irdp,
 262 [  --enable-irdp                 enable IRDP server support in zebra])
 263 AC_ARG_ENABLE(isis_topology,
 264 [  --enable-isis-topology        enable IS-IS topology generator])
 265 AC_ARG_ENABLE(capabilities,
 266 [  --disable-capabilities        disable using POSIX capabilities])
 267 AC_ARG_ENABLE(rusage,
 268 [  --disable-rusage              disable using getrusage])
 269 AC_ARG_ENABLE(gcc_ultra_verbose,
 270 [  --enable-gcc-ultra-verbose    enable ultra verbose GCC warnings])
 271 AC_ARG_ENABLE(linux24_tcp_md5,
 272 [  --enable-linux24-tcp-md5  enable support for old, Linux-2.4 RFC2385 patch])
 273 AC_ARG_ENABLE(gcc-rdynamic,
 274 [  --enable-gcc-rdynamic         enable linking with -rdynamic for better backtraces (default if gcc)])
 275 AC_ARG_ENABLE(backtrace,
 276 [  --disable-backtrace,          disable crash backtraces (default autodetect)])
 277 AC_ARG_ENABLE(time-check,
 278 [  --disable-time-check          disable slow thread warning messages])
 279 AC_ARG_ENABLE(pcreposix,
 280 [  --enable-pcreposix          enable using PCRE Posix libs for regex functions])
 281 AC_ARG_ENABLE(fpm,
 282 [  --enable-fpm            enable Forwarding Plane Manager support])
 283
 284 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
 285   CFLAGS="${CFLAGS} -W -Wcast-qual -Wstrict-prototypes"
 286   CFLAGS="${CFLAGS} -Wmissing-declarations -Wmissing-noreturn"
 287   CFLAGS="${CFLAGS} -Wmissing-format-attribute -Wunreachable-code"
 288   CFLAGS="${CFLAGS} -Wpacked -Wpadded"
 289 fi
 290
 291 if test x"${enable_gcc_rdynamic}" != x"no" ; then
 292   if test x"${enable_gcc_rdynamic}" = x"yes" -o x"$COMPILER" = x"GCC"; then
 293     LDFLAGS="${LDFLAGS} -rdynamic"
 294   fi
 295 fi
 296
 297 if test x"${enable_time_check}" != x"no" ; then
 298   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
 299     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
 300   else
 301     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
 302   fi
 303 fi
 304
 305 if test "${enable_fpm}" = "yes"; then
 306    AC_DEFINE(HAVE_FPM,,Forwarding Plane Manager support)
 307 fi
 308
 309 if test "${enable_broken_aliases}" = "yes"; then
 310   if test "${enable_netlink}" = "yes"
 311   then
 312     AC_MSG_FAILURE([Sorry you can not use netlink with broken aliases])
 313   fi
 314   AC_DEFINE(HAVE_BROKEN_ALIASES,,Broken Alias)
 315   enable_netlink=no
 316 fi
 317
 318 if test "${enable_tcp_zebra}" = "yes"; then
 319   AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
 320 fi
 321
 322 if test "${enable_opaque_lsa}" != "no"; then
 323   AC_DEFINE(HAVE_OPAQUE_LSA,,OSPF Opaque LSA)
 324 fi
 325
 326 if test "${enable_ospf_te}" != "no"; then
 327   AC_DEFINE(HAVE_OPAQUE_LSA,,OSPF Opaque LSA)
 328   AC_DEFINE(HAVE_OSPF_TE,,OSPF TE)
 329 fi
 330
 331 if test "${enable_linux24_tcp_md5}" = "yes"; then
 332   AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
 333 fi
 334
 335 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
 336 if test "${enable_rtadv}" != "no"; then
 337   AC_MSG_RESULT(yes)
 338   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
 339 else
 340   AC_MSG_RESULT(no)
 341 fi
 342
 343 if test "${enable_irdp}" = "yes"; then
 344   AC_DEFINE(HAVE_IRDP,, IRDP )
 345 fi
 346
 347 if test "${enable_isisd}" = "yes" && test "${enable_isis_topology}" = yes; then
 348   AC_DEFINE(TOPOLOGY_GENERATE,,Enable IS-IS topology generator code)
 349   ISIS_TOPOLOGY_INCLUDES="-I\$(srcdir)/topology"
 350   ISIS_TOPOLOGY_DIR="topology"
 351   ISIS_TOPOLOGY_LIB="./topology/libtopology.a"
 352 fi
 353
 354 AC_SUBST(ISIS_TOPOLOGY_INCLUDES)
 355 AC_SUBST(ISIS_TOPOLOGY_DIR)
 356 AC_SUBST(ISIS_TOPOLOGY_LIB)
 357
 358 if test "${enable_user}" = "yes" || test x"${enable_user}" = x""; then
 359   enable_user="quagga"
 360 elif test "${enable_user}" = "no"; then
 361   enable_user="root"
 362 fi
 363
 364 if test "${enable_group}" = "yes" || test x"${enable_group}" = x""; then
 365   enable_group="quagga"
 366 elif test "${enable_group}" = "no"; then
 367   enable_group="root"
 368 fi
 369
 370 if test x"${enable_vty_group}" = x"yes" ; then
 371   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 372 elif test x"${enable_vty_group}" != x""; then
 373   if test x"${enable_vty_group}" != x"no"; then
 374     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 375   fi
 376 fi
 377 AC_SUBST([enable_user])
 378 AC_SUBST([enable_group])
 379 AC_SUBST([enable_vty_group])
 380 AC_DEFINE_UNQUOTED(QUAGGA_USER, "${enable_user}", Quagga User)
 381 AC_DEFINE_UNQUOTED(QUAGGA_GROUP, "${enable_group}", Quagga Group)
 382
 383 enable_configfile_mask=${enable_configfile_mask:-0600}
 384 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
 385
 386 enable_logfile_mask=${enable_logfile_mask:-0600}
 387 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
 388
 389 MULTIPATH_NUM=1
 390
 391 case "${enable_multipath}" in
 392   [[0-9]|[1-9][0-9]])
 393     MULTIPATH_NUM="${enable_multipath}"
 394     ;;
 395   "")
 396     ;;
 397   *)
 398     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
 399     ;;
 400 esac
 401
 402 AC_SUBST(MULTIPATH_NUM)
 403
 404 dnl -----------------------------------
 405 dnl Add extra version string to package
 406 dnl name, string and version fields.
 407 dnl -----------------------------------
 408 if test "x${EXTRAVERSION}" != "x" ; then
 409   VERSION="${VERSION}${EXTRAVERSION}"
 410   PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
 411   PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
 412 fi
 413
 414 if test "x$with_pkg_git_version" = "xyes"; then
 415         if test -d "${srcdir}/.git"; then
 416                 AC_DEFINE(GIT_VERSION, [1], [include git version info])
 417         else    with_pkg_git_version="no"
 418                 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
 419         fi
 420 fi
 421 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
 422
 423 dnl ------------------------------------
 424 dnl Check C keywords and standard  types
 425 dnl ------------------------------------
 426 AC_C_CONST
 427 AC_C_INLINE
 428 AC_C_RESTRICT
 429 AC_C_VOLATILE
 430 AC_HEADER_STDC
 431 AC_HEADER_TIME
 432 AC_HEADER_SYS_WAIT
 433 dnl AC_TYPE_PID_T
 434 AC_TYPE_UID_T
 435 AC_TYPE_MODE_T
 436 AC_TYPE_SIZE_T
 437 AC_TYPE_SIGNAL
 438 AC_STRUCT_TM
 439
 440 dnl -------------------------
 441 dnl Check other header files.
 442 dnl -------------------------
 443 AC_CHECK_HEADERS([stropts.h sys/ksym.h sys/times.h sys/select.h \
 444         sys/types.h linux/version.h netdb.h asm/types.h \
 445         sys/cdefs.h sys/param.h limits.h signal.h \
 446         sys/socket.h netinet/in.h time.h sys/time.h])
 447
 448 dnl Utility macro to avoid retyping includes all the time
 449 m4_define([QUAGGA_INCLUDES],
 450 [#ifdef SUNOS_5
 451 #define _XPG4_2
 452 #define __EXTENSIONS__
 453 #endif
 454 #include <stdio.h>
 455 #if STDC_HEADERS
 456 # include <stdlib.h>
 457 # include <stddef.h>
 458 #else
 459 # if HAVE_STDLIB_H
 460 #  include <stdlib.h>
 461 # endif
 462 #endif
 463 #if HAVE_SYS_TYPES_H
 464 # include <sys/types.h>
 465 #endif
 466 /* sys/conf.h depends on param.h on FBSD at least */
 467 #if HAVE_SYS_PARAM_H
 468 # include <sys/param.h>
 469 #endif
 470 /* Required for MAXSIG */
 471 #if HAVE_SIGNAL_H
 472 # include <signal.h>
 473 #endif
 474 #if HAVE_SYS_SOCKET_H
 475 # include <sys/socket.h>
 476 #endif
 477 #ifdef __APPLE__
 478 # define __APPLE_USE_RFC_3542
 479 #endif
 480 #if HAVE_NETINET_IN_H
 481 # include <netinet/in.h>
 482 #endif
 483 #ifdef TIME_WITH_SYS_TIME
 484 # include <sys/time.h>
 485 # include <time.h>
 486 #else
 487 # ifdef HAVE_SYS_TIME_H
 488 #  include <sys/time.h>
 489 # else
 490 #  include <time.h>
 491 # endif
 492 #endif /* TIME_WITH_SYS_TIME */
 493 ])dnl
 494
 495 dnl HAVE_NET_IF_H must be discovered by the time the longer AC_CHECK_HEADERS
 496 dnl round below execution begins, otherwise it doesn't properly detect
 497 dnl HAVE_NETINET6_IN6_VAR_H, HAVE_NET_IF_VAR_H and HAVE_STRUCT_IN6_ALIASREQ
 498 dnl on FreeBSD (BZ#408).
 499
 500 AC_CHECK_HEADERS([net/if.h], [], [], QUAGGA_INCLUDES)
 501
 502 m4_define([QUAGGA_INCLUDES],
 503 QUAGGA_INCLUDES
 504 [#if HAVE_NET_IF_H
 505 # include <net/if.h>
 506 #endif
 507 ])dnl
 508
 509 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
 510 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
 511 dnl an additional round for it.
 512
 513 AC_CHECK_HEADERS([net/if_var.h], [], [], QUAGGA_INCLUDES)
 514
 515 m4_define([QUAGGA_INCLUDES],
 516 QUAGGA_INCLUDES
 517 [#if HAVE_NET_IF_VAR_H
 518 # include <net/if_var.h>
 519 #endif
 520 ])dnl
 521
 522 AC_CHECK_HEADERS([sys/un.h netinet/in_systm.h netinet/in_var.h \
 523         net/if_dl.h net/netopt.h net/route.h \
 524         inet/nd.h arpa/inet.h netinet/ip_icmp.h \
 525         fcntl.h stddef.h sys/ioctl.h syslog.h wchar.h wctype.h \
 526         sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
 527         [], [], QUAGGA_INCLUDES)
 528
 529 AC_CHECK_HEADERS([ucontext.h], [], [],
 530 [#ifndef __USE_GNU
 531 #define __USE_GNU
 532 #endif /* __USE_GNU */
 533 QUAGGA_INCLUDES
 534 ])
 535
 536 m4_define([QUAGGA_INCLUDES],
 537 QUAGGA_INCLUDES
 538 [#if HAVE_SYS_UN_H
 539 # include <sys/un.h>
 540 #endif
 541 #if HAVE_NETINET_IN_SYSTM_H
 542 # include <netinet/in_systm.h>
 543 #endif
 544 #if HAVE_NETINET_IN_VAR_H
 545 # include <netinet/in_var.h>
 546 #endif
 547 #if HAVE_NET_IF_DL_H
 548 # include <net/if_dl.h>
 549 #endif
 550 #if HAVE_NET_NETOPT_H
 551 # include <net/netopt.h>
 552 #endif
 553 #if HAVE_NET_ROUTE_H
 554 # include <net/route.h>
 555 #endif
 556 #if HAVE_INET_ND_H
 557 # include <inet/nd.h>
 558 #endif
 559 #if HAVE_ARPA_INET_H
 560 # include <arpa/inet.h>
 561 #endif
 562 /* Required for IDRP */
 563 #if HAVE_NETINET_IP_ICMP_H
 564 # include <netinet/ip_icmp.h>
 565 #endif
 566 ])dnl
 567
 568 dnl V6 headers are checked below, after we check for v6
 569
 570 dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
 571 case "$host" in
 572   [*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
 573       opsys=sol2-6
 574       AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
 575       AC_DEFINE(SUNOS_5, 1, SunOS 5)
 576       AC_CHECK_LIB(xnet, main)
 577       CURSES=-lcurses
 578   ;;
 579   [*-sunos5.[8-9]] \
 580   | [*-sunos5.1[0-9]] \
 581   | [*-sunos5.1[0-9].[0-9]] \
 582   | [*-solaris2.[8-9]] \
 583   | [*-solaris2.1[0-9]] \
 584   | [*-solaris2.1[0-9].[0-9]])
 585       opsys=sol8
 586       AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
 587       AC_DEFINE(SUNOS_5, 1, [SunOS 5])
 588       AC_CHECK_LIB(socket, main)
 589       AC_CHECK_LIB(nsl, main)
 590       AC_CHECK_LIB(umem, main)
 591       AC_CHECK_FUNCS([printstack],
 592         [AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
 593          AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
 594         ])
 595       CURSES=-lcurses
 596   ;;
 597   *-sunos5* | *-solaris2*)
 598       AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
 599       AC_CHECK_LIB(socket, main)
 600       AC_CHECK_LIB(nsl, main)
 601       CURSES=-lcurses
 602   ;;
 603   *-linux*)
 604       opsys=gnu-linux
 605       AC_DEFINE(GNU_LINUX,,GNU Linux)
 606   ;;
 607   *-nec-sysv4*)
 608       AC_CHECK_LIB(nsl, gethostbyname)
 609       AC_CHECK_LIB(socket, socket)
 610   ;;
 611   *-openbsd*)
 612       opsys=openbsd
 613       AC_DEFINE(OPEN_BSD,,OpenBSD)
 614   ;;
 615   *-bsdi*)
 616       opsys=bsdi
 617       OTHER_METHOD="mtu_kvm.o"
 618       AC_CHECK_LIB(kvm, main)
 619   ;;
 620   *-irix6.5)
 621       opsys=irix
 622       AC_DEFINE(IRIX_65,,IRIX 6.5)
 623   ;;
 624 esac
 625
 626 AC_SYS_LARGEFILE
 627
 628 dnl ---------------------
 629 dnl Integrated VTY option
 630 dnl ---------------------
 631 case "${enable_vtysh}" in
 632   "yes") VTYSH="vtysh";
 633          AC_DEFINE(VTYSH,,VTY shell)
 634 dnl      Vtysh uses libreadline, which looks for termcap functions at
 635 dnl      configure time.  We follow readlines search order.
 636 dnl      The required procedures are in libtermcap on NetBSD, in
 637 dnl      [TODO] on Linux, and in [TODO] on Solaris.
 638          AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
 639            [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
 640              [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
 641                [AC_CHECK_LIB(ncurses, tputs,
 642                              LIBREADLINE="$LIBREADLINE -lncurses")]
 643               )]
 644             )]
 645           )
 646          AC_CHECK_LIB(readline, main, LIBREADLINE="$LIBREADLINE -lreadline",,
 647                       "$LIBREADLINE")
 648          if test $ac_cv_lib_readline_main = no; then
 649            AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
 650          fi
 651          AC_CHECK_HEADER(readline/history.h)
 652          if test $ac_cv_header_readline_history_h = no;then
 653            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
 654          fi
 655          AC_CHECK_LIB(readline, rl_completion_matches,
 656                       LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
 657          if test $ac_cv_lib_readline_rl_completion_matches = no; then
 658            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
 659          fi
 660          ;;
 661   "no" ) VTYSH="";;
 662   *    ) ;;
 663 esac
 664 AC_SUBST(LIBREADLINE)
 665 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
 666
 667 dnl ----------
 668 dnl PAM module
 669 dnl
 670 dnl Quagga detects the PAM library it is built against by checking for a
 671 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
 672 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
 673 dnl openpam.h doesn't do that, although depends on the header too. Hence a
 674 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
 675 dnl of OpenPAM.
 676 dnl ----------
 677 if test "$with_libpam" = "yes"; then
 678   AC_CHECK_HEADER([security/pam_misc.h],
 679     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
 680      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
 681      pam_conv_func="misc_conv"
 682     ],
 683     [], QUAGGA_INCLUDES)
 684   AC_CHECK_HEADER([security/openpam.h],
 685     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
 686      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
 687      pam_conv_func="openpam_ttyconv"
 688     ],
 689     [], QUAGGA_INCLUDES[#include <security/pam_appl.h>])
 690   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
 691     AC_MSG_WARN([*** pam support will not be built ***])
 692     with_libpam="no"
 693   fi
 694 fi
 695
 696 if test "$with_libpam" = "yes"; then
 697 dnl took this test from proftpds configure.in and suited to our needs
 698 dnl -------------------------------------------------------------------------
 699 dnl
 700 dnl This next check looks funky due to a linker problem with some versions
 701 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
 702 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
 703 dnl with RedHat 6.2 and Debian 2.2 or better.
 704 AC_CHECK_LIB(pam, pam_start,
 705   [AC_CHECK_LIB(pam, $pam_conv_func,
 706     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 707      LIBPAM="-lpam"],
 708     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 709      LIBPAM="-lpam -lpam_misc"]
 710     )
 711   ],
 712
 713   [AC_CHECK_LIB(pam, pam_end,
 714     [AC_CHECK_LIB(pam, $pam_conv_func,
 715       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 716        LIBPAM="-lpam -ldl"],
 717       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 718        LIBPAM="-lpam -ldl -lpam_misc"]
 719      )
 720   ],AC_MSG_WARN([*** pam support will not be built ***]),
 721   [-ldl])
 722   ]
 723 )
 724 fi
 725 AC_SUBST(LIBPAM)
 726
 727 dnl -------------------------------
 728 dnl Endian-ness check
 729 dnl -------------------------------
 730 AC_WORDS_BIGENDIAN
 731
 732 dnl -------------------------------
 733 dnl check the size in byte of the C
 734 dnl -------------------------------
 735 dnl AC_CHECK_SIZEOF(char)
 736 dnl AC_CHECK_SIZEOF(int)
 737 dnl AC_CHECK_SIZEOF(short)
 738 dnl AC_CHECK_SIZEOF(long)
 739
 740 dnl ----------------------------
 741 dnl check existance of functions
 742 dnl ----------------------------
 743 AC_FUNC_CHOWN
 744 AC_FUNC_FNMATCH
 745 AC_FUNC_FORK
 746 AC_FUNC_MEMCMP
 747 AC_FUNC_MKTIME
 748 AC_FUNC_STRFTIME
 749 AC_FUNC_STAT
 750 AC_FUNC_SELECT_ARGTYPES
 751 AC_FUNC_STRFTIME
 752 dnl Avoid AC_FUNC_STRNLEN because it pulls in AC_SYSTEM_EXTENSIONS which
 753 dnl can lead to strange side effects.  So we just check for strnlen
 754 dnl directly, see below.
 755 dnl AC_FUNC_STRNLENdnl
 756 AC_FUNC_VPRINTF
 757
 758 dnl -------------------------------
 759 dnl bgpd needs pow() and hence libm
 760 dnl -------------------------------
 761 TMPLIBS="$LIBS"
 762 AC_CHECK_HEADER([math.h],
 763   [AC_CHECK_LIB([m], [pow],
 764     [LIBM="-lm"
 765      LIBS="$LIBS $LIBM"
 766      AC_DEFINE(HAVE_LIBM,, Have libm)
 767      AC_CHECK_FUNCS(pow,[],[LIBM=""])
 768     ])
 769 ])
 770 if test x"$LIBM" = x ; then
 771   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
 772 fi
 773 LIBS="$TMPLIBS"
 774 AC_SUBST(LIBM)
 775
 776 dnl ---------------
 777 dnl other functions
 778 dnl ---------------
 779 AC_CHECK_FUNCS([dup2 ftruncate getcwd gethostbyname getpagesize gettimeofday \
 780         inet_ntoa inet_aton strnlen \
 781         memchr memmove memset select socket \
 782         strcasecmp strchr strcspn strdup strerror \
 783         strncasecmp strndup strrchr strspn strstr \
 784         strtol strtoul strlcat strlcpy \
 785         daemon snprintf vsnprintf \
 786         if_nametoindex if_indextoname getifaddrs \
 787         uname fcntl])
 788
 789 AC_CHECK_FUNCS(setproctitle, ,
 790   [AC_CHECK_LIB(util, setproctitle,
 791      [LIBS="$LIBS -lutil"
 792       AC_DEFINE(HAVE_SETPROCTITLE,, Have setproctitle)
 793      ]
 794    )
 795   ]
 796 )
 797
 798 dnl ------------------------------------
 799 dnl Determine routing get and set method
 800 dnl ------------------------------------
 801 AC_MSG_CHECKING(zebra between kernel interface method)
 802 if test x"$opsys" = x"gnu-linux"; then
 803   if test "${enable_netlink}" = "yes";then
 804     AC_MSG_RESULT(netlink)
 805     RT_METHOD=rt_netlink.o
 806     AC_DEFINE(HAVE_NETLINK,,netlink)
 807     netlink=yes
 808   elif test "${enable_netlink}" = "no"; then
 809     AC_MSG_RESULT(ioctl)
 810     RT_METHOD=rt_ioctl.o
 811     netlink=no
 812   else
 813     AC_MSG_RESULT(netlink)
 814     RT_METHOD=rt_netlink.o
 815     AC_DEFINE(HAVE_NETLINK,,netlink)
 816     netlink=yes
 817   fi
 818 elif test x"$opsys" = x"sol2-6";then
 819   AC_MSG_RESULT(Route socket)
 820   KERNEL_METHOD="kernel_socket.o"
 821   RT_METHOD="rt_socket.o"
 822 elif test x"$opsys" = x"sol8";then
 823   AC_MSG_RESULT(Route socket)
 824   KERNEL_METHOD="kernel_socket.o"
 825   RT_METHOD="rt_socket.o"
 826 elif test "$opsys" = "irix" ; then
 827   AC_MSG_RESULT(Route socket)
 828   KERNEL_METHOD="kernel_socket.o"
 829   RT_METHOD="rt_socket.o"
 830 else
 831   AC_TRY_RUN([#include <errno.h>
 832 #include <sys/types.h>
 833 #include <sys/socket.h>
 834
 835 main ()
 836 {
 837   int ac_sock;
 838
 839   ac_sock = socket (AF_ROUTE, SOCK_RAW, 0);
 840   if (ac_sock < 0 && errno == EINVAL)
 841     exit (1);
 842   exit (0);
 843 }],
 844   [KERNEL_METHOD=kernel_socket.o
 845    RT_METHOD=rt_socket.o
 846    AC_MSG_RESULT(socket)],
 847   [RT_METHOD=rt_ioctl.o
 848    AC_MSG_RESULT(ioctl)],
 849   [KERNEL_METHOD=kernel_socket.o
 850    RT_METHOD=rt_socket.o
 851    AC_MSG_RESULT(socket)])
 852 fi
 853 AC_SUBST(RT_METHOD)
 854 AC_SUBST(KERNEL_METHOD)
 855 AC_SUBST(OTHER_METHOD)
 856 AM_CONDITIONAL([HAVE_NETLINK], [test "x$netlink" = "xyes"])
 857
 858 dnl --------------------------
 859 dnl Determine IS-IS I/O method
 860 dnl --------------------------
 861 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
 862 AC_DEFINE(ISIS_METHOD_DLPI,     2, [ constant value for isis method dlpi ])
 863 AC_DEFINE(ISIS_METHOD_BPF,      3, [ constant value for isis method bpf ])
 864 AC_CHECK_HEADER(net/bpf.h)
 865 AC_CHECK_HEADER(sys/dlpi.h)
 866 AC_MSG_CHECKING(zebra IS-IS I/O method)
 867 if test x"$opsys" = x"gnu-linux"; then
 868   AC_MSG_RESULT(pfpacket)
 869   ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
 870 elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
 871   AC_MSG_RESULT(DLPI)
 872   ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 873 else
 874   if test $ac_cv_header_net_bpf_h = no; then
 875     if test $ac_cv_header_sys_dlpi_h = no; then
 876       AC_MSG_RESULT(none)
 877       AC_MSG_WARN([*** IS-IS support will not be built ***])
 878       ISISD=""
 879     else
 880       AC_MSG_RESULT(DLPI)
 881     fi
 882     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 883   else
 884     AC_MSG_RESULT(BPF)
 885     ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
 886   fi
 887 fi
 888 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
 889
 890 dnl ------------------------------------
 891 dnl check for broken CMSG_FIRSTHDR macro
 892 dnl ------------------------------------
 893 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
 894 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 895 #ifdef SUNOS_5
 896 #define _XPG4_2
 897 #define __EXTENSIONS__
 898 #endif
 899 #ifdef HAVE_STDLIB_H
 900 # include <stdlib.h>
 901 #endif
 902 #ifdef HAVE_SYS_TYPES_H
 903 #include <sys/types.h>
 904 #endif
 905 #ifdef HAVE_SYS_SOCKET_H
 906 #include <sys/socket.h>
 907 #endif
 908
 909 main()
 910 {
 911   struct msghdr msg;
 912   char buf[4];
 913
 914   msg.msg_control = buf;
 915   msg.msg_controllen = 0;
 916
 917   if (CMSG_FIRSTHDR(&msg) != NULL)
 918     exit(0);
 919   exit (1);
 920 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
 921 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
 922
 923 dnl ------------------------------
 924 dnl check kernel route read method
 925 dnl ------------------------------
 926 AC_CACHE_CHECK([route read method], [quagga_cv_rtread_method],
 927 [if test "x$netlink" = xyes; then
 928   quagga_cv_rtread_method="netlink"
 929 else
 930 for quagga_cv_rtread_method in /proc/net/route /dev/ip /dev/null;
 931 do
 932   test x`ls $quagga_cv_rtread_method 2>/dev/null` = x"$quagga_cv_rtread_method" && break
 933 done
 934 case $quagga_cv_rtread_method in
 935   "/proc/net/route") quagga_cv_rtread_method="proc";;
 936   "/dev/ip")
 937                      case "$host" in
 938                        *-freebsd*)    quagga_cv_rtread_method="sysctl";;
 939                        *)             quagga_cv_rtread_method="getmsg";;
 940                      esac;;
 941         *)
 942                      quagga_cv_rtread_method="sysctl";;
 943 esac
 944 fi])
 945 RTREAD_METHOD=rtread_${quagga_cv_rtread_method}.o
 946 AC_SUBST(RTREAD_METHOD)
 947
 948 dnl -----------------------------
 949 dnl check interface lookup method
 950 dnl -----------------------------
 951 IOCTL_METHOD=ioctl.o
 952 AC_MSG_CHECKING(interface looking up method)
 953 if test "$netlink" = yes; then
 954   AC_MSG_RESULT(netlink)
 955   IF_METHOD=if_netlink.o
 956 elif test "$opsys" = "sol2-6";then
 957   AC_MSG_RESULT(Solaris GIF)
 958   IF_METHOD=if_ioctl.o
 959 elif test "$opsys" = "sol8";then
 960   AC_MSG_RESULT(Solaris GLIF)
 961   IF_METHOD=if_ioctl_solaris.o
 962   IOCTL_METHOD=ioctl_solaris.o
 963 elif test "$opsys" = "irix" ; then
 964   AC_MSG_RESULT(IRIX)
 965   IF_METHOD=if_ioctl.o
 966 elif test "$opsys" = "openbsd";then
 967   AC_MSG_RESULT(openbsd)
 968   IF_METHOD=if_ioctl.o
 969 elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
 970   AC_MSG_RESULT(sysctl)
 971     IF_METHOD=if_sysctl.o
 972     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
 973 else
 974     AC_MSG_RESULT(ioctl)
 975     IF_METHOD=if_ioctl.o
 976 fi
 977 AC_SUBST(IF_METHOD)
 978 AC_SUBST(IOCTL_METHOD)
 979
 980 dnl ---------------------------------------------------------------
 981 dnl figure out how to specify an interface in multicast sockets API
 982 dnl ---------------------------------------------------------------
 983 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], QUAGGA_INCLUDES)
 984
 985 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
 986 AC_TRY_COMPILE([#ifdef HAVE_SYS_PARAM_H
 987 #include <sys/param.h>
 988 #endif],[#if (defined(__FreeBSD__) && ((__FreeBSD_version >= 500022 && __FreeBSD_version < 700000) || (__FreeBSD_version < 500000 && __FreeBSD_version >= 440000))) || (defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 106010000) || defined(__OpenBSD__) || defined(__APPLE__)
 989   return (0);
 990 #else
 991   #error No support for BSD struct ip_mreq hack detected
 992 #endif],[AC_MSG_RESULT(yes)
 993 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
 994 AC_MSG_RESULT(no))
 995
 996 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
 997 AC_TRY_COMPILE([
 998 #include <sys/types.h>
 999 #include <netinet/in.h>
1000 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1001 ], [AC_MSG_RESULT(yes)
1002 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1003 AC_MSG_RESULT(no))
1004
1005 dnl ---------------------------------------------------------------
1006 dnl figure out how to check link-state
1007 dnl ---------------------------------------------------------------
1008 AC_CHECK_HEADER([net/if.h],
1009   [AC_CHECK_HEADER( [net/if_media.h],
1010     [m4_define([LINK_DETECT_INCLUDES],
1011       QUAGGA_INCLUDES
1012       [#include <net/if_media.h>
1013     ])
1014     AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1015       AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1016       [], LINK_DETECT_INCLUDES)],
1017     [],
1018     QUAGGA_INCLUDES)],
1019   [], QUAGGA_INCLUDES )
1020
1021 dnl ---------------------------------------------------------------
1022 dnl Additional, newer way to check link-state using ifi_link_state.
1023 dnl Not available in all BSD's when ifmediareq available
1024 dnl ---------------------------------------------------------------
1025 AC_CHECK_HEADER([net/if.h],
1026     AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1027       AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1028       [], QUAGGA_INCLUDES),
1029     ,)
1030
1031 dnl ------------------------
1032 dnl TCP_MD5SIG socket option
1033 dnl ------------------------
1034
1035 AC_CHECK_HEADER([netinet/tcp.h],
1036    [m4_define([MD5_INCLUDES],
1037       QUAGGA_INCLUDES
1038       [#include <netinet/tcp.h>
1039     ])
1040     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1041    [],
1042    QUAGGA_INCLUDES)
1043 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1044   AC_CHECK_HEADER([linux/tcp.h],
1045        [m4_define([MD5_INCLUDES],
1046           QUAGGA_INCLUDES
1047           [#include <linux/tcp.h>
1048         ])
1049        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1050 fi
1051
1052 dnl -----------------------
1053 dnl check proc file system.
1054 dnl -----------------------
1055 if test "$netlink" != yes; then
1056   if test -r /proc/net/dev; then
1057     AC_DEFINE(HAVE_PROC_NET_DEV,,/proc/net/dev)
1058     IF_PROC=if_proc.o
1059   fi
1060   if test -r /proc/net/if_inet6; then
1061     AC_DEFINE(HAVE_PROC_NET_IF_INET6,,/proc/net/if_inet6)
1062     IF_PROC=if_proc.o
1063   fi
1064 fi
1065 AC_SUBST(IF_PROC)
1066
1067 dnl -----------------------------
1068 dnl check ipforward detect method
1069 dnl -----------------------------
1070 AC_CACHE_CHECK([ipforward method], [quagga_cv_ipforward_method],
1071 [if test x$cross_compiling = xyes; then
1072   if test x"$opsys" = x"gnu-linux"; then
1073     quagga_cv_ipforward_method=/proc/net/snmp
1074   else
1075     quagga_cv_ipforward_method=/dev/ip
1076   fi
1077 else
1078   for quagga_cv_ipforward_method in /proc/net/snmp /dev/ip /dev/null;
1079   do
1080     test x`ls $quagga_cv_ipforward_method 2>/dev/null` = x"$quagga_cv_ipforward_method" && break
1081   done
1082 fi
1083 case $quagga_cv_ipforward_method in
1084   "/proc/net/snmp")  quagga_cv_ipforward_method="proc";;
1085   "/dev/ip")
1086                      case "$host" in
1087                        *-nec-sysv4*)  quagga_cv_ipforward_method="ews";;
1088                        *-freebsd*)    quagga_cv_ipforward_method="sysctl";;
1089                        *)             quagga_cv_ipforward_method="solaris";;
1090                      esac;;
1091   *)                 quagga_cv_ipforward_method="sysctl";;
1092 esac])
1093 IPFORWARD=ipforward_${quagga_cv_ipforward_method}.o
1094 AC_SUBST(IPFORWARD)
1095
1096 AC_CHECK_FUNCS(getaddrinfo, [have_getaddrinfo=yes], [have_getaddrinfo=no])
1097
1098 dnl ----------
1099 dnl IPv6 check
1100 dnl ----------
1101 AC_MSG_CHECKING(whether does this OS have IPv6 stack)
1102 if test "${enable_ipv6}" = "no"; then
1103   AC_MSG_RESULT(disabled)
1104 else
1105 dnl ----------
1106 dnl INRIA IPv6
1107 dnl ----------
1108   if grep IPV6_INRIA_VERSION /usr/include/netinet/in.h >/dev/null 2>&1; then
1109     zebra_cv_ipv6=yes
1110     AC_DEFINE(HAVE_IPV6,1,INRIA IPv6)
1111     AC_DEFINE(INRIA_IPV6,1,INRIA IPv6)
1112     RIPNGD="ripngd"
1113     OSPF6D="ospf6d"
1114     LIB_IPV6=""
1115     AC_MSG_RESULT(INRIA IPv6)
1116 dnl ---------
1117 dnl KAME IPv6
1118 dnl ---------
1119   elif grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
1120     zebra_cv_ipv6=yes
1121     AC_DEFINE(HAVE_IPV6,1,KAME IPv6)
1122     AC_DEFINE(KAME,1,KAME IPv6)
1123     RIPNGD="ripngd"
1124     OSPF6D="ospf6d"
1125     if test -d /usr/local/v6/lib -a -f /usr/local/v6/lib/libinet6.a; then
1126       LIB_IPV6="-L/usr/local/v6/lib -linet6"
1127     fi
1128     AC_MSG_RESULT(KAME)
1129 dnl -------------------------
1130 dnl MUSICA IPv6
1131 dnl  default host check
1132 dnl  It is not used by Kheops
1133 dnl -------------------------
1134   elif grep MUSICA /usr/include6/netinet6/in6.h >/dev/null 2>&1; then
1135     zebra_cv_ipv6=yes
1136     AC_DEFINE(HAVE_IPV6,1,Musicia IPv6)
1137     AC_DEFINE(MUSICA,1,Musica IPv6 stack)
1138     AC_DEFINE(KAME,1,KAME IPv6 stack)
1139     RIPNGD="ripngd"
1140     OSPF6D="ospf6d"
1141     if test -d /usr/local/v6/lib -a -f /usr/local/v6/lib/libinet6.a; then
1142       LIB_IPV6="-L/usr/local/v6/lib -linet6"
1143     fi
1144     AC_MSG_RESULT(MUSICA)
1145 dnl ---------
1146 dnl NRL check
1147 dnl ---------
1148   elif grep NRL /usr/include/netinet6/in6.h >/dev/null 2>&1; then
1149     zebra_cv_ipv6=yes
1150     AC_DEFINE(HAVE_IPV6,1,NRL IPv6)
1151     AC_DEFINE(NRL,1,NRL)
1152     RIPNGD="ripngd"
1153     OSPF6D="ospf6d"
1154     if test x"$opsys" = x"bsdi";then
1155       AC_DEFINE(BSDI_NRL,,BSDI)
1156       AC_MSG_RESULT(BSDI_NRL)
1157     else
1158       AC_MSG_RESULT(NRL)
1159     fi
1160 dnl ------------------------------------
1161 dnl Solaris 9, 10 and potentially higher
1162 dnl ------------------------------------
1163   elif test x"$opsys" = x"sol8"; then
1164     zebra_cv_ipv6=yes;
1165     AC_DEFINE(HAVE_IPV6, 1, IPv6)
1166     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
1167     RIPNGD="ripngd"
1168     OSPF6D="ospf6d"
1169     AC_MSG_RESULT(Solaris IPv6)
1170 dnl ----------
1171 dnl Linux IPv6
1172 dnl ----------
1173   elif test "${enable_ipv6}" = "yes"; then
1174     AC_EGREP_CPP(yes, [
1175       #include <linux/version.h>
1176       /* 2.1.128 or later */
1177       #if LINUX_VERSION_CODE >= 0x020180
1178       yes
1179       #endif],
1180       [zebra_cv_ipv6=yes
1181        zebra_cv_linux_ipv6=yes
1182        AC_MSG_RESULT(Linux IPv6)])
1183   else
1184     if test x`ls /proc/net/ipv6_route 2>/dev/null` = x"/proc/net/ipv6_route"
1185      then
1186       zebra_cv_ipv6=yes
1187       zebra_cv_linux_ipv6=yes
1188       AC_MSG_RESULT(Linux IPv6)
1189     fi
1190   fi
1191
1192   if test "$zebra_cv_linux_ipv6" = "yes";then
1193     AC_MSG_CHECKING(whether libc has IPv6 support)
1194     AC_TRY_LINK([#include <netinet/in.h>
1195     ],[ int a; a = (int) in6addr_any.s6_addr[0]; if (a != 12345) return a; ],
1196     [AC_MSG_RESULT(yes)
1197       zebra_cv_ipv6=yes
1198       zebra_cv_linux_ipv6=yes],
1199     [AC_MSG_RESULT(no)
1200       zebra_cv_ipv6=no
1201       zebra_cv_linux_ipv6=no])
1202   fi
1203
1204   if test "$zebra_cv_linux_ipv6" = "yes";then
1205     AC_MSG_CHECKING(for GNU libc >= 2.1)
1206     AC_DEFINE(HAVE_IPV6,1,Linux IPv6)
1207     AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
1208
1209     AC_EGREP_CPP(yes, [
1210 #include <features.h>
1211 #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
1212   yes
1213 #endif],
1214       [glibc=yes
1215        AC_MSG_RESULT(yes)],
1216       AC_MSG_RESULT(no)
1217     )
1218     RIPNGD="ripngd"
1219     OSPF6D="ospf6d"
1220     if test "$glibc" != "yes"; then
1221       if test x`ls /usr/inet6/lib/libinet6.a 2>/dev/null` != x;then
1222          INCLUDES="-I/usr/inet6/include"
1223          LIB_IPV6="-L/usr/inet6/lib -linet6"
1224       fi
1225     fi
1226   fi
1227
1228 dnl -----------------------
1229 dnl Set IPv6 related values
1230 dnl -----------------------
1231   LIBS="$LIB_IPV6 $LIBS"
1232   AC_SUBST(LIB_IPV6)
1233
1234   if test x"$RIPNGD" = x""; then
1235     AC_MSG_RESULT(IPv4 only)
1236   fi
1237 fi
1238
1239 dnl ------------------
1240 dnl IPv6 header checks
1241 dnl ------------------
1242 if test "x${zebra_cv_ipv6}" = "xyes"; then
1243 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h netinet/icmp6.h \
1244         netinet6/in6_var.h netinet6/nd6.h], [], [],
1245         QUAGGA_INCLUDES)
1246 fi
1247
1248 m4_define([QUAGGA_INCLUDES],dnl
1249 QUAGGA_INCLUDES
1250 [#if HAVE_NETINET6_IN6_H
1251 #include <netinet6/in6.h>
1252 #endif
1253 #if HAVE_NETINET_IN6_VAR_H
1254 #include <netinet/in6_var.h>
1255 #endif
1256 #if HAVE_NETINET_ICMP6_H
1257 # include <netinet/icmp6.h>
1258 #endif
1259 #if HAVE_NETINET6_IN6_VAR_H
1260 # include <netinet6/in6_var.h>
1261 #endif
1262 #if HAVE_NETINET6_ND6_H
1263 # include <netinet6/nd6.h>
1264 #endif
1265 ])dnl
1266
1267 dnl disable doc check
1268 if test "${enable_doc}" = "no";then
1269   DOC=""
1270 else
1271   DOC="doc"
1272 fi
1273
1274 dnl --------------------
1275 dnl Daemon disable check
1276 dnl --------------------
1277 if test "${enable_zebra}" = "no";then
1278   ZEBRA=""
1279 else
1280   ZEBRA="zebra"
1281 fi
1282 AM_CONDITIONAL(ZEBRA, test "x$ZEBRA" = "xzebra")
1283
1284 if test "${enable_bgpd}" = "no";then
1285   BGPD=""
1286 else
1287   BGPD="bgpd"
1288 fi
1289 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1290
1291 if test "${enable_ripd}" = "no";then
1292   RIPD=""
1293 else
1294   RIPD="ripd"
1295 fi
1296 AM_CONDITIONAL(RIPD, test "x$RIPD" = "xripd")
1297
1298 if test "${enable_ospfd}" = "no";then
1299   OSPFD=""
1300 else
1301   OSPFD="ospfd"
1302 fi
1303 AM_CONDITIONAL(OSPFD, test "x$OSPFD" = "xospfd")
1304
1305 if test "${enable_babeld}" = "no";then
1306   BABELD=""
1307 else
1308   BABELD="babeld"
1309 fi
1310 AM_CONDITIONAL(BABELD, test "x$BABELD" = "xbabeld")
1311
1312 if test "${enable_watchquagga}" = "no";then
1313   WATCHQUAGGA=""
1314 else
1315   WATCHQUAGGA="watchquagga"
1316 fi
1317 AM_CONDITIONAL(WATCHQUAGGA, test "x$WATCHQUAGGA" = "xwatchquagga")
1318
1319 OSPFCLIENT=""
1320 if test "${enable_opaque_lsa}" != "no"; then
1321   if test "${enable_ospfapi}" != "no";then
1322     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1323
1324     if test "${enable_ospfclient}" != "no";then
1325       OSPFCLIENT="ospfclient"
1326     fi
1327   fi
1328
1329 fi
1330 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1331
1332 case "${enable_ripngd}" in
1333   "yes") RIPNGD="ripngd";;
1334   "no" ) RIPNGD="";;
1335   *    ) ;;
1336 esac
1337 AM_CONDITIONAL(RIPNGD, test "x$RIPNGD" = "xripngd")
1338
1339 case "${enable_ospf6d}" in
1340   "yes") OSPF6D="ospf6d";;
1341   "no" ) OSPF6D="";;
1342   *    ) ;;
1343 esac
1344 AM_CONDITIONAL(OSPF6D, test "x$OSPF6D" = "xospf6d")
1345
1346 case "${enable_isisd}" in
1347   "yes") ISISD="isisd";;
1348   "no" ) ISISD="";;
1349   *    ) ;;
1350 esac
1351 AM_CONDITIONAL(ISISD, test "x$ISISD" = "xisisd")
1352
1353 # XXX Perhaps auto-enable on Solaris, but that's messy for cross builds.
1354 case "${enable_solaris}" in
1355   "yes") SOLARIS="solaris";;
1356   "no" ) SOLARIS="";;
1357   *    ) ;;
1358 esac
1359
1360 if test "${enable_bgp_announce}" = "no";then
1361   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1362 else
1363   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1364 fi
1365
1366 AC_SUBST(DOC)
1367 AC_SUBST(ZEBRA)
1368 AC_SUBST(BGPD)
1369 AC_SUBST(RIPD)
1370 AC_SUBST(RIPNGD)
1371 AC_SUBST(OSPFD)
1372 AC_SUBST(OSPF6D)
1373 AC_SUBST(BABELD)
1374 AC_SUBST(WATCHQUAGGA)
1375 AC_SUBST(ISISD)
1376 AC_SUBST(SOLARIS)
1377 AC_SUBST(VTYSH)
1378 AC_SUBST(INCLUDES)
1379 AC_SUBST(CURSES)
1380 AC_SUBST(OSPFCLIENT)
1381 AC_SUBST(OSPFAPI)
1382 AC_CHECK_LIB(c, inet_ntop, [AC_DEFINE(HAVE_INET_NTOP,,inet_ntop)])
1383 AC_CHECK_LIB(c, inet_pton, [AC_DEFINE(HAVE_INET_PTON,,inet_pton)])
1384 AC_CHECK_LIB(crypt, crypt)
1385 AC_CHECK_LIB(resolv, res_init)
1386
1387 dnl ---------------------------------------------------
1388 dnl BSD/OS 4.1 define inet_XtoY function as __inet_XtoY
1389 dnl ---------------------------------------------------
1390 AC_CHECK_FUNC(__inet_ntop, AC_DEFINE(HAVE_INET_NTOP,,__inet_ntop))
1391 AC_CHECK_FUNC(__inet_pton, AC_DEFINE(HAVE_INET_PTON,,__inet_pton))
1392 AC_CHECK_FUNC(__inet_aton, AC_DEFINE(HAVE_INET_ATON,,__inet_aton))
1393
1394 dnl ---------------------------
1395 dnl check system has PCRE regexp
1396 dnl ---------------------------
1397 if test "x$enable_pcreposix" = "xyes"; then
1398   AC_CHECK_LIB(pcreposix, pcreposix_regexec, ,[enable_pcreposix=no
1399   AC_MSG_WARN([*** falling back to other regex library ***]) ])
1400 fi
1401
1402 if test "x$enable_pcreposix" != "xyes"; then
1403 dnl ---------------------------
1404 dnl check system has GNU regexp
1405 dnl ---------------------------
1406 AC_MSG_CHECKING(whether system has GNU regex)
1407 AC_CHECK_LIB(c, regexec,
1408 [AC_DEFINE(HAVE_GNU_REGEX,,GNU regexp library)
1409  LIB_REGEX=""],
1410 [LIB_REGEX="regex.o"])
1411 fi
1412 AC_SUBST(HAVE_LIBPCREPOSIX)
1413 AC_SUBST(LIB_REGEX)
1414
1415 dnl ------------------
1416 dnl check Net-SNMP library
1417 dnl ------------------
1418 if test "${enable_snmp}" != ""; then
1419    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1420    if test x"$NETSNMP_CONFIG" = x"no"; then
1421       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1422    fi
1423    LIBS="$LIBS `${NETSNMP_CONFIG} --agent-libs`"
1424    CFLAGS="`${NETSNMP_CONFIG} --base-cflags` $CFLAGS"
1425    AC_MSG_CHECKING([whether we can link to Net-SNMP])
1426    AC_LINK_IFELSE([AC_LANG_PROGRAM([
1427 int main(void);
1428 ],
1429 [
1430 {
1431   return 0;
1432 }
1433 ])],[AC_MSG_RESULT(yes)],[
1434      AC_MSG_RESULT(no)
1435      AC_MSG_ERROR([--enable-snmp given but not usable])])
1436    AC_DEFINE(HAVE_SNMP,,SNMP)
1437    case "${enable_snmp}" in
1438      yes)
1439       SNMP_METHOD=agentx
1440       ;;
1441      smux|agentx)
1442       SNMP_METHOD="${enable_snmp}"
1443       ;;
1444      *)
1445       AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1446       ;;
1447    esac
1448    AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1449    AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1450    AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1451 fi
1452
1453 dnl ---------------------------
1454 dnl sockaddr and netinet checks
1455 dnl ---------------------------
1456 AC_CHECK_TYPES([struct sockaddr, struct sockaddr_in,
1457         struct sockaddr_in6, struct sockaddr_un, struct sockaddr_dl,
1458         socklen_t,
1459         struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1460         struct nd_opt_adv_interval, struct rt_addrinfo,
1461         struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1462         [], [], QUAGGA_INCLUDES)
1463
1464 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1465         struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1466         struct sockaddr_in6.sin6_scope_id,
1467         struct sockaddr_dl.sdl_len,
1468         struct if6_aliasreq.ifra_lifetime,
1469         struct nd_opt_adv_interval.nd_opt_ai_type],
1470         [], [], QUAGGA_INCLUDES)
1471
1472 dnl ---------------------------
1473 dnl IRDP/pktinfo/icmphdr checks
1474 dnl ---------------------------
1475 AC_CHECK_TYPES([struct in_pktinfo],
1476  [AC_CHECK_TYPES([struct icmphdr],
1477    [if test "${enable_irdp}" != "no"; then
1478       AC_DEFINE(HAVE_IRDP,, IRDP)
1479     fi],
1480    [if test "${enable_irdp}" = "yes"; then
1481       AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1482     fi], [QUAGGA_INCLUDES])],
1483  [if test "${enable_irdp}" = "yes"; then
1484     AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1485   fi], [QUAGGA_INCLUDES])
1486
1487 dnl --------------------------------------
1488 dnl checking for getrusage struct and call
1489 dnl --------------------------------------
1490 if test "${enable_rusage}" != "no"; then
1491   AC_MSG_CHECKING(whether getrusage is available)
1492   AC_TRY_COMPILE([#include <sys/resource.h>],[struct rusage ac_x; getrusage (RUSAGE_SELF, &ac_x);],
1493     [AC_MSG_RESULT(yes)
1494      AC_DEFINE(HAVE_RUSAGE,,rusage)],
1495       AC_MSG_RESULT(no))
1496 fi
1497
1498 dnl --------------------------------------
1499 dnl checking for clock_time monotonic struct and call
1500 dnl --------------------------------------
1501 AC_CHECK_DECL(CLOCK_MONOTONIC,
1502         [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1503          AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1504 ], [AC_MSG_RESULT(no)], [QUAGGA_INCLUDES])
1505
1506 dnl -------------------
1507 dnl capabilities checks
1508 dnl -------------------
1509 if test "${enable_capabilities}" != "no"; then
1510   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1511   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1512     [AC_MSG_RESULT(yes)
1513      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1514      quagga_ac_keepcaps="yes"],
1515      AC_MSG_RESULT(no)
1516   )
1517   if test x"${quagga_ac_keepcaps}" = x"yes"; then
1518     AC_CHECK_HEADERS(sys/capability.h)
1519   fi
1520   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1521     AC_CHECK_LIB(cap, cap_init,
1522       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1523        LIBCAP="-lcap"
1524        quagga_ac_lcaps="yes"]
1525     )
1526   else
1527     AC_CHECK_HEADERS(priv.h,
1528      [AC_MSG_CHECKING(Solaris style privileges are available)
1529       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1530           [AC_MSG_RESULT(yes)
1531            AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1532            quagga_ac_scaps="yes"],
1533            AC_MSG_RESULT(no)
1534       )
1535      ]
1536    )
1537   fi
1538   if test x"${quagga_ac_scaps}" = x"yes" \
1539        -o x"${quagga_ac_lcaps}" = x"yes"; then
1540     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1541   fi
1542 fi
1543 AC_SUBST(LIBCAP)
1544
1545 dnl ---------------------------------------------------------------------------
1546 dnl http://www.gnu.org/software/autoconf-archive/ax_sys_weak_alias.html
1547 dnl Check for and set one of the following = 1
1548 dnl   HAVE_SYS_WEAK_ALIAS_ATTRIBUTE
1549 dnl   HAVE_SYS_WEAK_ALIAS_PRAGMA
1550 dnl   HAVE_SYS_WEAK_ALIAS_HPSECONDARY
1551 dnl   HAVE_SYS_WEAK_ALIAS_CRIDUPLICATE
1552 dnl If any scheme is found, set
1553 dnl   HAVE_SYS_WEAK_ALIAS=1
1554 dnl The following variable is set to text value
1555 dnl   WEAK_ALIAS = "attribute" || "pragma" || "hpsecondary" || "criduplicate" || "no"
1556 dnl If weak alias can cross object file boundaries
1557 dnl   WEAK_ALIAS_CROSSFILE = "yes" || "no"
1558 dnl ---------------------------------------------------------------------------
1559 AX_SYS_WEAK_ALIAS
1560
1561 dnl ---------------------------
1562 dnl check for glibc 'backtrace'
1563 dnl ---------------------------
1564 if test x"${enable_backtrace}" != x"no" ; then
1565   backtrace_ok=no
1566   AC_CHECK_HEADER([execinfo.h], [
1567     AC_SEARCH_LIBS([backtrace], [execinfo], [
1568       AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1569       AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1570       backtrace_ok=yes
1571     ],, [-lm])
1572   ])
1573
1574   if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1575     dnl user explicitly requested backtrace but we failed to find support
1576     AC_MSG_FAILURE([failed to find backtrace support])
1577   fi
1578 fi
1579
1580 dnl -----------------------------------------
1581 dnl check for malloc mallinfo struct and call
1582 dnl this must try and link using LIBS, in
1583 dnl order to check no alternative allocator
1584 dnl has been specified, which might not provide
1585 dnl mallinfo, e.g. such as Umem on Solaris.
1586 dnl -----------------------------------------
1587 AC_CHECK_HEADER([malloc.h],
1588  [AC_MSG_CHECKING(whether mallinfo is available)
1589   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1590                         [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1591       [AC_MSG_RESULT(yes)
1592        AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1593        AC_MSG_RESULT(no)
1594   )
1595  ], [], QUAGGA_INCLUDES)
1596
1597 dnl ----------
1598 dnl configure date
1599 dnl ----------
1600 CONFDATE=`date '+%Y%m%d'`
1601 AC_SUBST(CONFDATE)
1602
1603 dnl Conditionally enable PIE support for GNU toolchains.
1604 AC_ARG_ENABLE(pie, AS_HELP_STRING([--disable-pie], [Do not build tools as a Position Independent Executables]))
1605 if test "$enable_pie" != "no"; then
1606   AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [
1607     save_CFLAGS=$CFLAGS
1608     save_LDFLAGS=$LDFLAGS
1609     CFLAGS="$CFLAGS -fPIE"
1610     LDFLAGS="$LDFLAGS -pie"
1611     AC_LINK_IFELSE([AC_LANG_SOURCE([[static int foo[30000]; int main () { return 0; }]])],
1612       [ap_cv_cc_pie=yes], [ap_cv_cc_pie=no]
1613     )
1614     CFLAGS=$save_CFLAGS
1615     LDFLAGS=$save_LDFLAGS
1616   ])
1617   if test "$ap_cv_cc_pie" = "yes"; then
1618     PICFLAGS="-fPIE"
1619     PILDFLAGS="-pie"
1620   fi
1621 fi
1622
1623 AC_SUBST(PICFLAGS)
1624 AC_SUBST(PILDFLAGS)
1625
1626 dnl -------
1627 dnl DejaGNU
1628 dnl -------
1629 if test x"$DEJAGNU" = x
1630 then
1631   DEJAGNU="\$(top_srcdir)/tests/global-conf.exp"
1632 fi
1633 RUNTESTDEFAULTFLAGS="-x --tool \$\$tool"
1634
1635 AC_SUBST(DEJAGNU)
1636 AC_SUBST(RUNTESTDEFAULTFLAGS)
1637
1638 dnl ------------------------------
1639 dnl set paths for state directory
1640 dnl ------------------------------
1641 AC_MSG_CHECKING(directory to use for state file)
1642 if test "${prefix}" = "NONE"; then
1643   quagga_statedir_prefix="";
1644 else
1645   quagga_statedir_prefix=${prefix}
1646 fi
1647 if test "${localstatedir}" = '${prefix}/var'; then
1648   for QUAGGA_STATE_DIR in ${quagga_statedir_prefix}/var/run dnl
1649                         ${quagga_statedir_prefix}/var/adm dnl
1650                         ${quagga_statedir_prefix}/etc dnl
1651                         /var/run        dnl
1652                         /var/adm        dnl
1653                         /etc            dnl
1654                         /dev/null;
1655   do
1656     test -d $QUAGGA_STATE_DIR && break
1657   done
1658   quagga_statedir=$QUAGGA_STATE_DIR
1659 else
1660   quagga_statedir=${localstatedir}
1661 fi
1662 if test $quagga_statedir = "/dev/null"; then
1663     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1664 fi
1665 AC_MSG_RESULT(${quagga_statedir})
1666 AC_SUBST(quagga_statedir)
1667
1668 AC_DEFINE_UNQUOTED(PATH_ZEBRA_PID, "$quagga_statedir/zebra.pid",zebra PID)
1669 AC_DEFINE_UNQUOTED(PATH_RIPD_PID, "$quagga_statedir/ripd.pid",ripd PID)
1670 AC_DEFINE_UNQUOTED(PATH_RIPNGD_PID, "$quagga_statedir/ripngd.pid",ripngd PID)
1671 AC_DEFINE_UNQUOTED(PATH_BGPD_PID, "$quagga_statedir/bgpd.pid",bgpd PID)
1672 AC_DEFINE_UNQUOTED(PATH_OSPFD_PID, "$quagga_statedir/ospfd.pid",ospfd PID)
1673 AC_DEFINE_UNQUOTED(PATH_OSPF6D_PID, "$quagga_statedir/ospf6d.pid",ospf6d PID)
1674 AC_DEFINE_UNQUOTED(PATH_BABELD_PID, "$quagga_statedir/babeld.pid",babeld PID)
1675 AC_DEFINE_UNQUOTED(PATH_ISISD_PID, "$quagga_statedir/isisd.pid",isisd PID)
1676 AC_DEFINE_UNQUOTED(PATH_WATCHQUAGGA_PID, "$quagga_statedir/watchquagga.pid",watchquagga PID)
1677 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$quagga_statedir/zserv.api",zebra api socket)
1678 AC_DEFINE_UNQUOTED(ZEBRA_VTYSH_PATH, "$quagga_statedir/zebra.vty",zebra vty socket)
1679 AC_DEFINE_UNQUOTED(RIP_VTYSH_PATH, "$quagga_statedir/ripd.vty",rip vty socket)
1680 AC_DEFINE_UNQUOTED(RIPNG_VTYSH_PATH, "$quagga_statedir/ripngd.vty",ripng vty socket)
1681 AC_DEFINE_UNQUOTED(BGP_VTYSH_PATH, "$quagga_statedir/bgpd.vty",bgpd vty socket)
1682 AC_DEFINE_UNQUOTED(OSPF_VTYSH_PATH, "$quagga_statedir/ospfd.vty",ospfd vty socket)
1683 AC_DEFINE_UNQUOTED(OSPF6_VTYSH_PATH, "$quagga_statedir/ospf6d.vty",ospf6d vty socket)
1684 AC_DEFINE_UNQUOTED(BABEL_VTYSH_PATH, "$quagga_statedir/babeld.vty",babeld vty socket)
1685 AC_DEFINE_UNQUOTED(ISIS_VTYSH_PATH, "$quagga_statedir/isisd.vty",isisd vty socket)
1686 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$quagga_statedir",daemon vty directory)
1687
1688 dnl -------------------------------
1689 dnl Quagga sources should always be
1690 dnl current wrt interfaces. Dont
1691 dnl allow deprecated interfaces to
1692 dnl be exposed.
1693 dnl -------------------------------
1694 AC_DEFINE(QUAGGA_NO_DEPRECATED_INTERFACES, 1, Hide deprecated interfaces)
1695
1696 dnl ---------------------------
1697 dnl Check htonl works correctly
1698 dnl ---------------------------
1699 AC_MSG_CHECKING(for working htonl)
1700 AC_CACHE_VAL(ac_cv_htonl_works,
1701  [AC_LINK_IFELSE([AC_LANG_PROGRAM([QUAGGA_INCLUDES],[htonl (0);])],
1702                 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1703  ]
1704 )
1705 AC_MSG_RESULT($ac_cv_htonl_works)
1706
1707 AC_CONFIG_FILES([Makefile lib/Makefile zebra/Makefile ripd/Makefile
1708           ripngd/Makefile bgpd/Makefile ospfd/Makefile watchquagga/Makefile
1709           ospf6d/Makefile isisd/Makefile babeld/Makefile vtysh/Makefile
1710           doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
1711           tests/bgpd.tests/Makefile
1712           tests/libzebra.tests/Makefile
1713           redhat/Makefile
1714           pkgsrc/Makefile
1715           redhat/quagga.spec
1716           lib/version.h
1717           doc/defines.texi
1718           isisd/topology/Makefile
1719           pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1720           pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh])
1721 AC_CONFIG_FILES([solaris/Makefile])
1722
1723 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1724 ## Hack, but working solution to avoid rebuilding of quagga.info.
1725 ## It's already in CVS until texinfo 4.7 is more common.
1726 AC_OUTPUT
1727
1728 echo "
1729 Quagga configuration
1730 --------------------
1731 quagga version          : ${PACKAGE_VERSION}
1732 host operating system   : ${host_os}
1733 source code location    : ${srcdir}
1734 compiler                : ${CC}
1735 compiler flags          : ${CFLAGS}
1736 make                    : ${MAKE-make}
1737 includes                : ${INCLUDES}
1738 linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
1739 state file directory    : ${quagga_statedir}
1740 config file directory   : `eval echo \`echo ${sysconfdir}\``
1741 example directory       : `eval echo \`echo ${exampledir}\``
1742 user to run as          : ${enable_user}
1743 group to run as         : ${enable_group}
1744 group for vty sockets   : ${enable_vty_group}
1745 config file mask        : ${enable_configfile_mask}
1746 log file mask           : ${enable_logfile_mask}
1747
1748 The above user and group must have read/write access to the state file
1749 directory and to the config files in the config file directory."
1750
1751 if test x"$quagga_cv_gnu_make" = x"no"; then echo "
1752 Warning: The ${MAKE-make} programme detected, either in your path or
1753 via the MAKE variable, is not GNU Make. GNU make may be installed as
1754 gmake on some systems. and is required to complete a build of Quagga
1755 " > /dev/stderr
1756 fi