Annotation of embedaddon/quagga/configure.ac, revision 1.1

1.1     ! misho       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, 0.99.20, [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: AM_CONFIG_HEADER(config.h)
        !            23: 
        !            24: AC_CHECK_PROG([GAWK],[gawk],[gawk],[not-in-PATH])
        !            25: if test "x$GAWK" = "xnot-in-PATH" ; then
        !            26:        AC_MSG_ERROR([GNU awk is required for lib/memtype.h made by memtypes.awk.
        !            27: BSD awk complains: awk: gensub doesn't support backreferences (subst "\1") ])
        !            28: fi
        !            29: AC_ARG_VAR([GAWK],[GNU AWK])
        !            30: 
        !            31: dnl default is to match previous behavior
        !            32: exampledir=${sysconfdir}
        !            33: AC_ARG_ENABLE([exampledir],
        !            34:          AC_HELP_STRING([--enable-exampledir],
        !            35:                         [specify alternate directory for examples]),
        !            36:                         exampledir="$enableval",)
        !            37: dnl XXX add --exampledir to autoconf standard directory list somehow
        !            38: AC_SUBST(exampledir)
        !            39: 
        !            40: dnl default is to match previous behavior
        !            41: pkgsrcrcdir=""
        !            42: pkgsrcdir=""
        !            43: AC_ARG_ENABLE([pkgsrcrcdir],
        !            44:          AC_HELP_STRING([--enable-pkgsrcrcdir],
        !            45:                         [specify directory for rc.d scripts]),
        !            46:                         pkgsrcrcdir="$enableval"; pkgsrcdir="pkgsrc",)
        !            47: dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
        !            48: AC_SUBST(pkgsrcdir)
        !            49: AC_SUBST(pkgsrcrcdir)
        !            50: 
        !            51: dnl ------------
        !            52: dnl Check CFLAGS
        !            53: dnl ------------
        !            54: AC_ARG_WITH(cflags,
        !            55: [  --with-cflags           Set CFLAGS for use in compilation.])
        !            56: if test "x$with_cflags" != "x" ; then
        !            57:   CFLAGS="$with_cflags" ; cflags_specified=yes ;
        !            58: elif test -n "$CFLAGS" ; then
        !            59:   cflags_specified=yes ;
        !            60: fi
        !            61: 
        !            62: dnl --------------------
        !            63: dnl Check CC and friends
        !            64: dnl --------------------
        !            65: AC_LANG([C])
        !            66: AC_PROG_CC
        !            67: AC_PROG_CPP
        !            68: AM_PROG_CC_C_O
        !            69: AC_PROG_EGREP
        !            70: 
        !            71: dnl autoconf 2.59 appears not to support AC_PROG_SED
        !            72: dnl AC_PROG_SED
        !            73: AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
        !            74: 
        !            75: dnl ------------------------------------------------------------------
        !            76: dnl Intel compiler check. Although Intel tries really hard to make icc
        !            77: dnl look like gcc, there are some differences. It's very verbose with
        !            78: dnl -Wall and it doesn't support the individual -W options.
        !            79: dnl ------------------------------------------------------------------
        !            80: if test "x${GCC}" = "xyes" ; then
        !            81:   COMPILER="GCC"
        !            82:   AC_MSG_CHECKING([whether we are using the Intel compiler])
        !            83:   AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
        !            84:       [AC_MSG_RESULT([no])],
        !            85:       [COMPILER="ICC"
        !            86:        AC_MSG_RESULT([yes])]
        !            87:   )
        !            88: else
        !            89:   AC_MSG_CHECKING([whether we are using SunPro compiler])
        !            90:   AC_EGREP_CPP([^__SUNPRO_C.*0x5(7|8|9)], ["__SUNPRO_C" __SUNPRO_C],
        !            91:       [AC_MSG_RESULT([no])],
        !            92:       [COMPILER="SUNPRO"
        !            93:        AC_MSG_RESULT([yes])]
        !            94:   )
        !            95: fi
        !            96: 
        !            97: dnl ---------------------------------------------
        !            98: dnl If CLFAGS doesn\'t exist set default value
        !            99: dnl AC_PROG_CC will have set minimal default
        !           100: dnl already, eg "-O2 -g" for gcc, "-g" for others
        !           101: dnl (Wall is gcc specific... have to make sure
        !           102: dnl  gcc is being used before setting it)
        !           103: dnl
        !           104: dnl Intel icc 8.0 also sets __GNUC__, 
        !           105: dnl but doesn't support all these fancy -W options.
        !           106: dnl Intel compiler warnings we ignore:
        !           107: dnl 279: controlling expression is constant.
        !           108: dnl 869: parameter "xxx" was never referenced - to avoid massive warnings
        !           109: dnl      about "self", "vty", "argc" and "argv" never referenced in DEFUN
        !           110: dnl      macro.
        !           111: dnl 981: operands are evaluated in unspecified order.
        !           112: dnl
        !           113: dnl Sun Studio 10 / SunPro 5.7 is also supported,
        !           114: dnl so lets set some sane CFLAGS for it.
        !           115: dnl ---------------------------------------------
        !           116: 
        !           117: AC_MSG_CHECKING([whether to set a default CFLAGS])
        !           118: if test "x${cflags_specified}" = "x" ; then
        !           119:   case ${COMPILER} in
        !           120:     "ICC")
        !           121:         CFLAGS="-Os -g -Wall -wd 279,869,981"
        !           122:         AC_MSG_RESULT([Intel default])
        !           123:         ;;
        !           124:     "GCC")
        !           125:        CFLAGS="-Os -fno-omit-frame-pointer -g -std=gnu99 -Wall"
        !           126:        CFLAGS="${CFLAGS} -Wsign-compare -Wpointer-arith"
        !           127:        CFLAGS="${CFLAGS} -Wbad-function-cast -Wwrite-strings"
        !           128:        CFLAGS="${CFLAGS} -Wmissing-prototypes -Wmissing-declarations"
        !           129:        CFLAGS="${CFLAGS} -Wchar-subscripts -Wcast-qual"
        !           130:        # TODO: conditionally addd -Wpacked if handled
        !           131:        AC_MSG_RESULT([gcc default])
        !           132:        ;;
        !           133:     "SUNPRO")
        !           134:        CFLAGS="-xO4 -v -g -xspace -xcode=pic32 -xstrconst -xc99"
        !           135:        AC_MSG_RESULT([SunPro default])
        !           136:        ;;
        !           137:     *)
        !           138:         AC_MSG_RESULT([unknown compiler])
        !           139:         ;;
        !           140:   esac
        !           141: else
        !           142:   AC_MSG_RESULT([CFLAGS supplied by user])
        !           143: fi
        !           144: 
        !           145: dnl --------------
        !           146: dnl Check programs
        !           147: dnl --------------
        !           148: AC_PROG_INSTALL
        !           149: AC_PROG_LN_S
        !           150: AC_PROG_MAKE_SET
        !           151: AC_CHECK_TOOL(AR, ar)
        !           152: 
        !           153: dnl ---------------------------
        !           154: dnl We, perhaps unfortunately,
        !           155: dnl depend on GNU Make specific
        !           156: dnl constructs.
        !           157: dnl Give the user a warning if
        !           158: dnl not GNU Make.
        !           159: dnl ---------------------------
        !           160: AC_CACHE_CHECK([if ${MAKE-make} is GNU make], [quagga_cv_gnu_make],
        !           161:        [quagga_cv_gnu_make=no
        !           162:         if ${MAKE-make} --version 2>/dev/null | \
        !           163:                grep '^GNU Make ' >/dev/null ; then
        !           164:                quagga_cv_gnu_make=yes;
        !           165:         fi
        !           166:        ]
        !           167: )
        !           168: 
        !           169: dnl -----------------
        !           170: dnl System extensions
        !           171: dnl -----------------
        !           172: AC_GNU_SOURCE
        !           173: 
        !           174: dnl -------
        !           175: dnl libtool
        !           176: dnl -------
        !           177: AC_PROG_LIBTOOL
        !           178: 
        !           179: dnl ----------------------
        !           180: dnl Packages configuration
        !           181: dnl ----------------------
        !           182: AC_ARG_ENABLE(vtysh,
        !           183: [  --enable-vtysh          include integrated vty shell for Quagga])
        !           184: AC_ARG_ENABLE(ipv6,
        !           185: [  --disable-ipv6          turn off IPv6 related features and daemons])
        !           186: AC_ARG_ENABLE(doc,
        !           187: [  --disable-doc           do not build docs])
        !           188: AC_ARG_ENABLE(zebra,
        !           189: [  --disable-zebra         do not build zebra daemon])
        !           190: AC_ARG_ENABLE(bgpd,
        !           191: [  --disable-bgpd          do not build bgpd])
        !           192: AC_ARG_ENABLE(ripd,
        !           193: [  --disable-ripd          do not build ripd])
        !           194: AC_ARG_ENABLE(ripngd,
        !           195: [  --disable-ripngd        do not build ripngd])
        !           196: AC_ARG_ENABLE(ospfd,
        !           197: [  --disable-ospfd         do not build ospfd])
        !           198: AC_ARG_ENABLE(ospf6d,
        !           199: [  --disable-ospf6d        do not build ospf6d])
        !           200: AC_ARG_ENABLE(watchquagga,
        !           201: [  --disable-watchquagga   do not build watchquagga])
        !           202: AC_ARG_ENABLE(isisd,
        !           203: [  --enable-isisd          build isisd])
        !           204: AC_ARG_ENABLE(solaris,
        !           205: [  --enable-solaris          build solaris])
        !           206: AC_ARG_ENABLE(bgp-announce,
        !           207: [  --disable-bgp-announce, turn off BGP route announcement])
        !           208: AC_ARG_ENABLE(netlink,
        !           209: [  --enable-netlink        force to use Linux netlink interface])
        !           210: AC_ARG_ENABLE(broken-aliases,
        !           211: [  --enable-broken-aliases enable aliases as distinct interfaces for Linux 2.2.X])
        !           212: AC_ARG_WITH(crypto,
        !           213: [  --without-crypto        do not use libcrypto in SNMP])
        !           214: AC_ARG_ENABLE(snmp,
        !           215: [  --enable-snmp           enable SNMP support])
        !           216: AC_ARG_WITH(libpam,
        !           217: [  --with-libpam           use libpam for PAM support in vtysh])
        !           218: AC_ARG_ENABLE(tcp-zebra,
        !           219: [  --enable-tcp-zebra      enable TCP/IP socket connection between zebra and protocol daemon])
        !           220: AC_ARG_ENABLE(opaque-lsa,
        !           221:   AC_HELP_STRING([--disable-opaque-lsa],[do not build OSPF Opaque-LSA with OSPFAPI support (RFC2370)]))
        !           222: AC_ARG_ENABLE(ospfapi,
        !           223: [  --disable-ospfapi       do not build OSPFAPI to access the OSPF LSA Database])
        !           224: AC_ARG_ENABLE(ospfclient,
        !           225: [  --disable-ospfclient    do not build OSPFAPI client for OSPFAPI, 
        !           226:                           (this is the default if --disable-ospfapi is set)])
        !           227: AC_ARG_ENABLE(ospf-te,
        !           228:   AC_HELP_STRING([--disable-ospf-te],[disable Traffic Engineering Extension to OSPF]))
        !           229: AC_ARG_ENABLE(multipath,
        !           230: [  --enable-multipath=ARG  enable multipath function, ARG must be digit])
        !           231: AC_ARG_ENABLE(user,
        !           232:   AC_HELP_STRING([--enable-user=user], [user to run Quagga suite as (default quagga)]))
        !           233: AC_ARG_ENABLE(group,
        !           234:   AC_HELP_STRING([--enable-group=group], [group to run Quagga suite as (default quagga)]))
        !           235: AC_ARG_ENABLE(vty_group,
        !           236: [  --enable-vty-group=ARG  set vty sockets to have specified group as owner])
        !           237: AC_ARG_ENABLE(configfile_mask,
        !           238: [  --enable-configfile-mask=ARG  set mask for config files])
        !           239: AC_ARG_ENABLE(logfile_mask,
        !           240: [  --enable-logfile-mask=ARG     set mask for log files])
        !           241: 
        !           242: AC_ARG_ENABLE(rtadv,
        !           243: [  --disable-rtadv               disable IPV6 router advertisement feature])
        !           244: AC_ARG_ENABLE(irdp,
        !           245: [  --enable-irdp                 enable IRDP server support in zebra])
        !           246: AC_ARG_ENABLE(isis_topology,
        !           247: [  --enable-isis-topology        enable IS-IS topology generator])
        !           248: AC_ARG_ENABLE(capabilities,
        !           249: [  --disable-capabilities        disable using POSIX capabilities])
        !           250: AC_ARG_ENABLE(gcc_ultra_verbose,
        !           251: [  --enable-gcc-ultra-verbose    enable ultra verbose GCC warnings])
        !           252: AC_ARG_ENABLE(linux24_tcp_md5,
        !           253: [  --enable-linux24-tcp-md5  enable support for old, Linux-2.4 RFC2385 patch])
        !           254: AC_ARG_ENABLE(gcc-rdynamic,
        !           255: [  --enable-gcc-rdynamic   enable gcc linking with -rdynamic for better backtraces])
        !           256: AC_ARG_ENABLE(time-check,
        !           257: [  --disable-time-check          disable slow thread warning messages])
        !           258: AC_ARG_ENABLE(pcreposix,
        !           259: [  --enable-pcreposix          enable using PCRE Posix libs for regex functions])
        !           260: 
        !           261: if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
        !           262:   CFLAGS="${CFLAGS} -W -Wcast-qual -Wstrict-prototypes"
        !           263:   CFLAGS="${CFLAGS} -Wmissing-declarations -Wmissing-noreturn"
        !           264:   CFLAGS="${CFLAGS} -Wmissing-format-attribute -Wunreachable-code"
        !           265:   CFLAGS="${CFLAGS} -Wpacked -Wpadded"
        !           266: fi
        !           267: 
        !           268: if test x"${enable_gcc_rdynamic}" = x"yes" ; then
        !           269:   LDFLAGS="${LDFLAGS} -rdynamic"
        !           270: fi
        !           271: 
        !           272: if test x"${enable_time_check}" != x"no" ; then
        !           273:   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
        !           274:     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
        !           275:   else
        !           276:     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
        !           277:   fi
        !           278: fi
        !           279: 
        !           280: if test "${enable_broken_aliases}" = "yes"; then
        !           281:   if test "${enable_netlink}" = "yes"
        !           282:   then
        !           283:     AC_MSG_FAILURE([Sorry you can not use netlink with broken aliases])
        !           284:   fi
        !           285:   AC_DEFINE(HAVE_BROKEN_ALIASES,,Broken Alias)
        !           286:   enable_netlink=no
        !           287: fi
        !           288: 
        !           289: if test "${enable_tcp_zebra}" = "yes"; then
        !           290:   AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
        !           291: fi
        !           292: 
        !           293: if test "${enable_opaque_lsa}" != "no"; then
        !           294:   AC_DEFINE(HAVE_OPAQUE_LSA,,OSPF Opaque LSA)
        !           295: fi
        !           296: 
        !           297: if test "${enable_ospf_te}" != "no"; then
        !           298:   AC_DEFINE(HAVE_OPAQUE_LSA,,OSPF Opaque LSA)
        !           299:   AC_DEFINE(HAVE_OSPF_TE,,OSPF TE)
        !           300: fi
        !           301: 
        !           302: if test "${enable_linux24_tcp_md5}" = "yes"; then
        !           303:   AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
        !           304: fi
        !           305: 
        !           306: AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
        !           307: if test "${enable_rtadv}" != "no"; then
        !           308:   AC_MSG_RESULT(yes)
        !           309:   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
        !           310: else
        !           311:   AC_MSG_RESULT(no)
        !           312: fi
        !           313: 
        !           314: if test "${enable_irdp}" = "yes"; then
        !           315:   AC_DEFINE(HAVE_IRDP,, IRDP )
        !           316: fi
        !           317: 
        !           318: if test "${enable_isisd}" = "yes" && test "${enable_isis_topology}" = yes; then
        !           319:   AC_DEFINE(TOPOLOGY_GENERATE,,Enable IS-IS topology generator code)
        !           320:   ISIS_TOPOLOGY_INCLUDES="-I./topology"
        !           321:   ISIS_TOPOLOGY_DIR="topology"
        !           322:   ISIS_TOPOLOGY_LIB="./topology/libtopology.a"
        !           323: fi
        !           324: 
        !           325: AC_SUBST(ISIS_TOPOLOGY_INCLUDES)
        !           326: AC_SUBST(ISIS_TOPOLOGY_DIR)
        !           327: AC_SUBST(ISIS_TOPOLOGY_LIB)
        !           328: 
        !           329: if test "${enable_user}" = "yes" || test x"${enable_user}" = x""; then
        !           330:   enable_user="quagga"
        !           331: elif test "${enable_user}" = "no"; then
        !           332:   enable_user="root"
        !           333: fi
        !           334: 
        !           335: if test "${enable_group}" = "yes" || test x"${enable_group}" = x""; then
        !           336:   enable_group="quagga"
        !           337: elif test "${enable_group}" = "no"; then
        !           338:   enable_group="root"
        !           339: fi
        !           340: 
        !           341: if test x"${enable_vty_group}" = x"yes" ; then
        !           342:   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
        !           343: elif test x"${enable_vty_group}" != x""; then
        !           344:   if test x"${enable_vty_group}" != x"no"; then
        !           345:     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
        !           346:   fi
        !           347: fi
        !           348: AC_SUBST([enable_user])
        !           349: AC_SUBST([enable_group])
        !           350: AC_SUBST([enable_vty_group])
        !           351: AC_DEFINE_UNQUOTED(QUAGGA_USER, "${enable_user}", Quagga User)
        !           352: AC_DEFINE_UNQUOTED(QUAGGA_GROUP, "${enable_group}", Quagga Group)
        !           353: 
        !           354: enable_configfile_mask=${enable_configfile_mask:-0600}
        !           355: AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
        !           356: 
        !           357: enable_logfile_mask=${enable_logfile_mask:-0600}
        !           358: AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
        !           359: 
        !           360: MULTIPATH_NUM=1
        !           361: 
        !           362: case "${enable_multipath}" in
        !           363:   [[0-9]|[1-9][0-9]])
        !           364:     MULTIPATH_NUM="${enable_multipath}"
        !           365:     ;;
        !           366:   "")
        !           367:     ;;
        !           368:   *)           
        !           369:     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
        !           370:     ;;
        !           371: esac
        !           372: 
        !           373: AC_SUBST(MULTIPATH_NUM)
        !           374: 
        !           375: dnl ------------------------------------
        !           376: dnl Check C keywords and standard  types
        !           377: dnl ------------------------------------
        !           378: AC_C_CONST
        !           379: AC_C_INLINE
        !           380: AC_C_RESTRICT
        !           381: AC_C_VOLATILE
        !           382: AC_HEADER_STDC
        !           383: AC_HEADER_TIME
        !           384: AC_HEADER_SYS_WAIT
        !           385: dnl AC_TYPE_PID_T
        !           386: AC_TYPE_UID_T
        !           387: AC_TYPE_MODE_T
        !           388: AC_TYPE_SIZE_T
        !           389: AC_TYPE_SIGNAL
        !           390: AC_STRUCT_TM
        !           391: 
        !           392: dnl -------------------------
        !           393: dnl Check other header files.
        !           394: dnl -------------------------
        !           395: AC_CHECK_HEADERS([stropts.h sys/ksym.h sys/times.h sys/select.h \
        !           396:        sys/types.h linux/version.h netdb.h asm/types.h \
        !           397:        sys/param.h limits.h signal.h \
        !           398:        sys/socket.h netinet/in.h time.h sys/time.h])
        !           399: 
        !           400: dnl Utility macro to avoid retyping includes all the time
        !           401: m4_define([QUAGGA_INCLUDES],
        !           402: [#ifdef SUNOS_5
        !           403: #define _XPG4_2
        !           404: #define __EXTENSIONS__
        !           405: #endif
        !           406: #include <stdio.h>
        !           407: #if STDC_HEADERS
        !           408: # include <stdlib.h>
        !           409: # include <stddef.h>
        !           410: #else
        !           411: # if HAVE_STDLIB_H
        !           412: #  include <stdlib.h>
        !           413: # endif
        !           414: #endif
        !           415: #if HAVE_SYS_TYPES_H
        !           416: # include <sys/types.h>
        !           417: #endif
        !           418: /* sys/conf.h depends on param.h on FBSD at least */
        !           419: #if HAVE_SYS_PARAM_H
        !           420: # include <sys/param.h>
        !           421: #endif
        !           422: /* Required for MAXSIG */
        !           423: #if HAVE_SIGNAL_H
        !           424: # include <signal.h>
        !           425: #endif
        !           426: #if HAVE_SYS_SOCKET_H
        !           427: # include <sys/socket.h>
        !           428: #endif
        !           429: #if HAVE_NETINET_IN_H
        !           430: # include <netinet/in.h>
        !           431: #endif
        !           432: #ifdef TIME_WITH_SYS_TIME
        !           433: # include <sys/time.h>
        !           434: # include <time.h>
        !           435: #else
        !           436: # ifdef HAVE_SYS_TIME_H
        !           437: #  include <sys/time.h>
        !           438: # else
        !           439: #  include <time.h>
        !           440: # endif
        !           441: #endif /* TIME_WITH_SYS_TIME */
        !           442: ])dnl
        !           443: 
        !           444: dnl HAVE_NET_IF_H must be discovered by the time the longer AC_CHECK_HEADERS
        !           445: dnl round below execution begins, otherwise it doesn't properly detect
        !           446: dnl HAVE_NETINET6_IN6_VAR_H, HAVE_NET_IF_VAR_H and HAVE_STRUCT_IN6_ALIASREQ
        !           447: dnl on FreeBSD (BZ#408).
        !           448: 
        !           449: AC_CHECK_HEADERS([net/if.h], [], [], QUAGGA_INCLUDES)
        !           450: 
        !           451: m4_define([QUAGGA_INCLUDES],
        !           452: QUAGGA_INCLUDES
        !           453: [#if HAVE_NET_IF_H
        !           454: # include <net/if.h>
        !           455: #endif
        !           456: ])dnl
        !           457: 
        !           458: dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
        !           459: dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
        !           460: dnl an additional round for it.
        !           461: 
        !           462: AC_CHECK_HEADERS([net/if_var.h], [], [], QUAGGA_INCLUDES)
        !           463: 
        !           464: m4_define([QUAGGA_INCLUDES],
        !           465: QUAGGA_INCLUDES
        !           466: [#if HAVE_NET_IF_VAR_H
        !           467: # include <net/if_var.h>
        !           468: #endif
        !           469: ])dnl
        !           470: 
        !           471: AC_CHECK_HEADERS([sys/un.h netinet/in_systm.h netinet/in_var.h \
        !           472:        net/if_dl.h net/netopt.h net/route.h \
        !           473:        inet/nd.h arpa/inet.h netinet/ip_icmp.h \
        !           474:        fcntl.h stddef.h sys/ioctl.h syslog.h wchar.h wctype.h \
        !           475:        sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
        !           476:        [], [], QUAGGA_INCLUDES)
        !           477: 
        !           478: AC_CHECK_HEADERS([ucontext.h], [], [],
        !           479: [#ifndef __USE_GNU
        !           480: #define __USE_GNU
        !           481: #endif /* __USE_GNU */
        !           482: QUAGGA_INCLUDES
        !           483: ])
        !           484: 
        !           485: m4_define([QUAGGA_INCLUDES],
        !           486: QUAGGA_INCLUDES
        !           487: [#if HAVE_SYS_UN_H
        !           488: # include <sys/un.h>
        !           489: #endif
        !           490: #if HAVE_NETINET_IN_SYSTM_H
        !           491: # include <netinet/in_systm.h>
        !           492: #endif
        !           493: #if HAVE_NETINET_IN_VAR_H
        !           494: # include <netinet/in_var.h>
        !           495: #endif
        !           496: #if HAVE_NET_IF_DL_H
        !           497: # include <net/if_dl.h>
        !           498: #endif
        !           499: #if HAVE_NET_NETOPT_H
        !           500: # include <net/netopt.h>
        !           501: #endif
        !           502: #if HAVE_NET_ROUTE_H
        !           503: # include <net/route.h>
        !           504: #endif
        !           505: #if HAVE_INET_ND_H
        !           506: # include <inet/nd.h>
        !           507: #endif
        !           508: #if HAVE_ARPA_INET_H
        !           509: # include <arpa/inet.h>
        !           510: #endif
        !           511: /* Required for IDRP */
        !           512: #if HAVE_NETINET_IP_ICMP_H
        !           513: # include <netinet/ip_icmp.h>
        !           514: #endif
        !           515: ])dnl
        !           516: 
        !           517: dnl V6 headers are checked below, after we check for v6
        !           518: 
        !           519: dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
        !           520: case "$host" in
        !           521:   [*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
        !           522:       opsys=sol2-6
        !           523:       AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
        !           524:       AC_DEFINE(SUNOS_5, 1, SunOS 5)
        !           525:       AC_CHECK_LIB(xnet, main)
        !           526:       CURSES=-lcurses
        !           527:   ;;
        !           528:   [*-sunos5.[8-9]] \
        !           529:   | [*-sunos5.1[0-9]] \
        !           530:   | [*-sunos5.1[0-9].[0-9]] \
        !           531:   | [*-solaris2.[8-9]] \
        !           532:   | [*-solaris2.1[0-9]] \
        !           533:   | [*-solaris2.1[0-9].[0-9]])
        !           534:       opsys=sol8
        !           535:       AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
        !           536:       AC_DEFINE(SUNOS_5, 1, [SunOS 5])
        !           537:       AC_CHECK_LIB(socket, main)
        !           538:       AC_CHECK_LIB(nsl, main)
        !           539:       AC_CHECK_LIB(umem, main)
        !           540:       AC_CHECK_FUNCS([printstack],
        !           541:        [AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
        !           542:         AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
        !           543:        ])
        !           544:       CURSES=-lcurses
        !           545:   ;;
        !           546:   *-sunos5* | *-solaris2*)
        !           547:       AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
        !           548:       AC_CHECK_LIB(socket, main)
        !           549:       AC_CHECK_LIB(nsl, main)
        !           550:       CURSES=-lcurses
        !           551:   ;;
        !           552:   *-linux*)
        !           553:       opsys=gnu-linux
        !           554:       AC_DEFINE(GNU_LINUX,,GNU Linux)
        !           555:   ;;
        !           556:   *-nec-sysv4*)
        !           557:       AC_CHECK_LIB(nsl, gethostbyname)
        !           558:       AC_CHECK_LIB(socket, socket)
        !           559:   ;;
        !           560:   *-openbsd*)
        !           561:       opsys=openbsd
        !           562:       AC_DEFINE(OPEN_BSD,,OpenBSD)
        !           563:   ;;
        !           564:   *-bsdi*)
        !           565:       opsys=bsdi
        !           566:       OTHER_METHOD="mtu_kvm.o"
        !           567:       AC_CHECK_LIB(kvm, main)
        !           568:   ;;
        !           569:   *-irix6.5)
        !           570:       opsys=irix
        !           571:       AC_DEFINE(IRIX_65,,IRIX 6.5)
        !           572:   ;;
        !           573: esac
        !           574: 
        !           575: AC_SYS_LARGEFILE
        !           576: 
        !           577: dnl ---------------------
        !           578: dnl Integrated VTY option
        !           579: dnl ---------------------
        !           580: case "${enable_vtysh}" in
        !           581:   "yes") VTYSH="vtysh";
        !           582:          AC_DEFINE(VTYSH,,VTY shell)
        !           583:         AC_PATH_PROG(PERL, perl)
        !           584: dnl     Vtysh uses libreadline, which looks for termcap functions at
        !           585: dnl     configure time.  We follow readlines search order.
        !           586: dnl     The required procedures are in libtermcap on NetBSD, in
        !           587: dnl     [TODO] on Linux, and in [TODO] on Solaris.
        !           588:         AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
        !           589:           [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
        !           590:             [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
        !           591:               [AC_CHECK_LIB(ncurses, tputs, 
        !           592:                             LIBREADLINE="$LIBREADLINE -lncurses")]
        !           593:              )]
        !           594:            )]
        !           595:          )
        !           596:          AC_CHECK_LIB(readline, main, LIBREADLINE="$LIBREADLINE -lreadline",,
        !           597:                       "$LIBREADLINE")
        !           598:          if test $ac_cv_lib_readline_main = no; then
        !           599:            AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
        !           600:          fi
        !           601:         AC_CHECK_HEADER(readline/history.h)
        !           602:         if test $ac_cv_header_readline_history_h = no;then
        !           603:            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
        !           604:         fi
        !           605:         AC_CHECK_LIB(readline, rl_completion_matches, 
        !           606:                      LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
        !           607:          if test $ac_cv_lib_readline_rl_completion_matches = no; then
        !           608:            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
        !           609:         fi
        !           610:         ;;
        !           611:   "no" ) VTYSH="";;
        !           612:   *    ) ;;
        !           613: esac
        !           614: AC_SUBST(LIBREADLINE)
        !           615: 
        !           616: dnl ----------
        !           617: dnl PAM module
        !           618: dnl
        !           619: dnl Quagga detects the PAM library it is built against by checking for a
        !           620: dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
        !           621: dnl is known to #include pam_appl.h, the standard header of a PAM library, and
        !           622: dnl openpam.h doesn't do that, although depends on the header too. Hence a
        !           623: dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
        !           624: dnl of OpenPAM.
        !           625: dnl ----------
        !           626: if test "$with_libpam" = "yes"; then
        !           627:   AC_CHECK_HEADER([security/pam_misc.h],
        !           628:     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
        !           629:      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
        !           630:      pam_conv_func="misc_conv"
        !           631:     ],
        !           632:     [], QUAGGA_INCLUDES)
        !           633:   AC_CHECK_HEADER([security/openpam.h],
        !           634:     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
        !           635:      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
        !           636:      pam_conv_func="openpam_ttyconv"
        !           637:     ],
        !           638:     [], QUAGGA_INCLUDES[#include <security/pam_appl.h>])
        !           639:   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
        !           640:     AC_MSG_WARN([*** pam support will not be built ***])
        !           641:     with_libpam="no"
        !           642:   fi
        !           643: fi
        !           644: 
        !           645: if test "$with_libpam" = "yes"; then
        !           646: dnl took this test from proftpds configure.in and suited to our needs
        !           647: dnl -------------------------------------------------------------------------
        !           648: dnl
        !           649: dnl This next check looks funky due to a linker problem with some versions
        !           650: dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
        !           651: dnl omitted requiring libdl linking information. PAM-0.72 or better ships
        !           652: dnl with RedHat 6.2 and Debian 2.2 or better.
        !           653: AC_CHECK_LIB(pam, pam_start,
        !           654:   [AC_CHECK_LIB(pam, $pam_conv_func,
        !           655:     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
        !           656:      LIBPAM="-lpam"],
        !           657:     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
        !           658:      LIBPAM="-lpam -lpam_misc"]
        !           659:     )
        !           660:   ],
        !           661: 
        !           662:   [AC_CHECK_LIB(pam, pam_end,
        !           663:     [AC_CHECK_LIB(pam, $pam_conv_func,
        !           664:       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
        !           665:        LIBPAM="-lpam -ldl"],
        !           666:       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
        !           667:        LIBPAM="-lpam -ldl -lpam_misc"]
        !           668:      )
        !           669:   ],AC_MSG_WARN([*** pam support will not be built ***]),
        !           670:   [-ldl])
        !           671:   ]
        !           672: )
        !           673: fi
        !           674: AC_SUBST(LIBPAM)
        !           675: 
        !           676: dnl -------------------------------
        !           677: dnl Endian-ness check
        !           678: dnl -------------------------------
        !           679: AC_WORDS_BIGENDIAN
        !           680: 
        !           681: dnl -------------------------------
        !           682: dnl check the size in byte of the C
        !           683: dnl -------------------------------
        !           684: dnl AC_CHECK_SIZEOF(char)
        !           685: dnl AC_CHECK_SIZEOF(int)
        !           686: dnl AC_CHECK_SIZEOF(short)
        !           687: dnl AC_CHECK_SIZEOF(long)
        !           688: 
        !           689: dnl ----------------------------
        !           690: dnl check existance of functions
        !           691: dnl ----------------------------
        !           692: AC_FUNC_CHOWN
        !           693: AC_FUNC_FNMATCH
        !           694: AC_FUNC_FORK
        !           695: AC_FUNC_MALLOC
        !           696: AC_FUNC_MEMCMP
        !           697: AC_FUNC_MKTIME
        !           698: AC_FUNC_STRFTIME
        !           699: AC_FUNC_REALLOC
        !           700: AC_FUNC_STAT
        !           701: AC_FUNC_SELECT_ARGTYPES
        !           702: AC_FUNC_STRFTIME
        !           703: dnl Avoid AC_FUNC_STRNLEN because it pulls in AC_SYSTEM_EXTENSIONS which
        !           704: dnl can lead to strange side effects.  So we just check for strnlen
        !           705: dnl directly, see below.
        !           706: dnl AC_FUNC_STRNLENdnl
        !           707: AC_FUNC_VPRINTF
        !           708: 
        !           709: dnl -------------------------------
        !           710: dnl bgpd needs pow() and hence libm
        !           711: dnl -------------------------------
        !           712: TMPLIBS="$LIBS"
        !           713: AC_CHECK_HEADER([math.h],
        !           714:   [AC_CHECK_LIB([m], [pow],
        !           715:     [LIBM="-lm"
        !           716:      LIBS="$LIBS $LIBM"
        !           717:      AC_DEFINE(HAVE_LIBM,, Have libm)
        !           718:      AC_CHECK_FUNCS(pow,[],[LIBM=""])
        !           719:     ])
        !           720: ])
        !           721: if test x"$LIBM" = x ; then
        !           722:   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
        !           723: fi
        !           724: LIBS="$TMPLIBS"
        !           725: AC_SUBST(LIBM)
        !           726: 
        !           727: dnl ---------------
        !           728: dnl other functions
        !           729: dnl ---------------
        !           730: AC_CHECK_FUNCS([dup2 ftruncate getcwd gethostbyname getpagesize gettimeofday \
        !           731:        inet_ntoa inet_aton strnlen \
        !           732:        memchr memmove memset select socket \
        !           733:        strcasecmp strchr strcspn strdup strerror \
        !           734:        strncasecmp strndup strrchr strspn strstr \
        !           735:        strtol strtoul strlcat strlcpy \
        !           736:        daemon snprintf vsnprintf \
        !           737:        if_nametoindex if_indextoname getifaddrs \
        !           738:        uname fcntl])
        !           739: 
        !           740: AC_CHECK_FUNCS(setproctitle, ,
        !           741:   [AC_CHECK_LIB(util, setproctitle, 
        !           742:      [LIBS="$LIBS -lutil"
        !           743:       AC_DEFINE(HAVE_SETPROCTITLE,, Have setproctitle)
        !           744:      ]
        !           745:    )
        !           746:   ]
        !           747: )
        !           748: 
        !           749: dnl ------------------------------------
        !           750: dnl Determine routing get and set method
        !           751: dnl ------------------------------------
        !           752: AC_MSG_CHECKING(zebra between kernel interface method)
        !           753: if test x"$opsys" = x"gnu-linux"; then
        !           754:   if test "${enable_netlink}" = "yes";then
        !           755:     AC_MSG_RESULT(netlink)
        !           756:     RT_METHOD=rt_netlink.o
        !           757:     AC_DEFINE(HAVE_NETLINK,,netlink)
        !           758:     netlink=yes
        !           759:   elif test "${enable_netlink}" = "no"; then
        !           760:     AC_MSG_RESULT(ioctl)
        !           761:     RT_METHOD=rt_ioctl.o
        !           762:     netlink=no
        !           763:   else
        !           764:     AC_MSG_RESULT(netlink)
        !           765:     RT_METHOD=rt_netlink.o
        !           766:     AC_DEFINE(HAVE_NETLINK,,netlink)
        !           767:     netlink=yes
        !           768:   fi
        !           769: elif test x"$opsys" = x"sol2-6";then
        !           770:   AC_MSG_RESULT(Route socket)
        !           771:   KERNEL_METHOD="kernel_socket.o"
        !           772:   RT_METHOD="rt_socket.o"
        !           773: elif test x"$opsys" = x"sol8";then
        !           774:   AC_MSG_RESULT(Route socket)
        !           775:   KERNEL_METHOD="kernel_socket.o"
        !           776:   RT_METHOD="rt_socket.o"
        !           777: elif test "$opsys" = "irix" ; then
        !           778:   AC_MSG_RESULT(Route socket)
        !           779:   KERNEL_METHOD="kernel_socket.o"
        !           780:   RT_METHOD="rt_socket.o"
        !           781: else
        !           782:   AC_TRY_RUN([#include <errno.h>
        !           783: #include <sys/types.h>
        !           784: #include <sys/socket.h>
        !           785: 
        !           786: main ()
        !           787: {
        !           788:   int ac_sock;
        !           789: 
        !           790:   ac_sock = socket (AF_ROUTE, SOCK_RAW, 0);
        !           791:   if (ac_sock < 0 && errno == EINVAL)
        !           792:     exit (1);
        !           793:   exit (0);
        !           794: }],
        !           795:   [KERNEL_METHOD=kernel_socket.o
        !           796:    RT_METHOD=rt_socket.o
        !           797:    AC_MSG_RESULT(socket)],
        !           798:   [RT_METHOD=rt_ioctl.o
        !           799:    AC_MSG_RESULT(ioctl)],
        !           800:   [KERNEL_METHOD=kernel_socket.o
        !           801:    RT_METHOD=rt_socket.o
        !           802:    AC_MSG_RESULT(socket)])
        !           803: fi
        !           804: AC_SUBST(RT_METHOD)
        !           805: AC_SUBST(KERNEL_METHOD)
        !           806: AC_SUBST(OTHER_METHOD)
        !           807: 
        !           808: dnl --------------------------
        !           809: dnl Determine IS-IS I/O method
        !           810: dnl --------------------------
        !           811: AC_DEFINE(ISIS_METHOD_PFPACKET,        1, [ constant value for isis method pfpacket ])
        !           812: AC_DEFINE(ISIS_METHOD_DLPI,    2, [ constant value for isis method dlpi ])
        !           813: AC_DEFINE(ISIS_METHOD_BPF,     3, [ constant value for isis method bpf ])
        !           814: AC_CHECK_HEADER(net/bpf.h)
        !           815: AC_CHECK_HEADER(sys/dlpi.h)
        !           816: AC_MSG_CHECKING(zebra IS-IS I/O method)
        !           817: if test x"$opsys" = x"gnu-linux"; then
        !           818:   AC_MSG_RESULT(pfpacket)
        !           819:   ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
        !           820: elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
        !           821:   AC_MSG_RESULT(DLPI)
        !           822:   ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
        !           823: else
        !           824:   if test $ac_cv_header_net_bpf_h = no; then
        !           825:     if test $ac_cv_header_sys_dlpi_h = no; then
        !           826:       AC_MSG_RESULT(none)
        !           827:       AC_MSG_WARN([*** IS-IS support will not be built ***])
        !           828:       ISISD=""
        !           829:     else
        !           830:       AC_MSG_RESULT(DLPI)
        !           831:     fi
        !           832:     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
        !           833:   else
        !           834:     AC_MSG_RESULT(BPF)
        !           835:     ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
        !           836:   fi
        !           837: fi
        !           838: AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
        !           839: 
        !           840: dnl ------------------------------------
        !           841: dnl check for broken CMSG_FIRSTHDR macro
        !           842: dnl ------------------------------------
        !           843: AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
        !           844: AC_RUN_IFELSE([AC_LANG_SOURCE([[
        !           845: #ifdef SUNOS_5
        !           846: #define _XPG4_2
        !           847: #define __EXTENSIONS__
        !           848: #endif
        !           849: #ifdef HAVE_STDLIB_H
        !           850: # include <stdlib.h>
        !           851: #endif
        !           852: #ifdef HAVE_SYS_TYPES_H
        !           853: #include <sys/types.h>
        !           854: #endif
        !           855: #ifdef HAVE_SYS_SOCKET_H
        !           856: #include <sys/socket.h>
        !           857: #endif
        !           858: 
        !           859: main()
        !           860: {
        !           861:   struct msghdr msg;
        !           862:   char buf[4];
        !           863: 
        !           864:   msg.msg_control = buf;
        !           865:   msg.msg_controllen = 0;
        !           866: 
        !           867:   if (CMSG_FIRSTHDR(&msg) != NULL)
        !           868:     exit(0);
        !           869:   exit (1);
        !           870: }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
        !           871: [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
        !           872: 
        !           873: dnl ------------------------------
        !           874: dnl check kernel route read method
        !           875: dnl ------------------------------
        !           876: AC_CACHE_CHECK([route read method], [quagga_cv_rtread_method],
        !           877: [if test "x$netlink" = xyes; then
        !           878:   quagga_cv_rtread_method="netlink"
        !           879: else
        !           880: for quagga_cv_rtread_method in /proc/net/route /dev/ip /dev/null;
        !           881: do
        !           882:   test x`ls $quagga_cv_rtread_method 2>/dev/null` = x"$quagga_cv_rtread_method" && break
        !           883: done
        !           884: case $quagga_cv_rtread_method in
        !           885:   "/proc/net/route") quagga_cv_rtread_method="proc";;
        !           886:   "/dev/ip")
        !           887:                      case "$host" in
        !           888:                        *-freebsd*)    quagga_cv_rtread_method="sysctl";;
        !           889:                        *)             quagga_cv_rtread_method="getmsg";;
        !           890:                      esac;;
        !           891:        *)
        !           892:                      quagga_cv_rtread_method="sysctl";;
        !           893: esac
        !           894: fi])
        !           895: RTREAD_METHOD=rtread_${quagga_cv_rtread_method}.o
        !           896: AC_SUBST(RTREAD_METHOD)
        !           897: 
        !           898: dnl -----------------------------
        !           899: dnl check interface lookup method
        !           900: dnl -----------------------------
        !           901: IOCTL_METHOD=ioctl.o
        !           902: AC_MSG_CHECKING(interface looking up method)
        !           903: if test "$netlink" = yes; then
        !           904:   AC_MSG_RESULT(netlink)
        !           905:   IF_METHOD=if_netlink.o
        !           906: elif test "$opsys" = "sol2-6";then
        !           907:   AC_MSG_RESULT(Solaris GIF)
        !           908:   IF_METHOD=if_ioctl.o
        !           909: elif test "$opsys" = "sol8";then
        !           910:   AC_MSG_RESULT(Solaris GLIF)
        !           911:   IF_METHOD=if_ioctl_solaris.o
        !           912:   IOCTL_METHOD=ioctl_solaris.o
        !           913: elif test "$opsys" = "irix" ; then
        !           914:   AC_MSG_RESULT(IRIX)
        !           915:   IF_METHOD=if_ioctl.o
        !           916: elif test "$opsys" = "openbsd";then
        !           917:   AC_MSG_RESULT(openbsd)
        !           918:   IF_METHOD=if_ioctl.o
        !           919: elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
        !           920:   AC_MSG_RESULT(sysctl)
        !           921:     IF_METHOD=if_sysctl.o
        !           922:     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
        !           923: else
        !           924:     AC_MSG_RESULT(ioctl)
        !           925:     IF_METHOD=if_ioctl.o
        !           926: fi
        !           927: AC_SUBST(IF_METHOD)
        !           928: AC_SUBST(IOCTL_METHOD)
        !           929: 
        !           930: dnl ---------------------------------------------------------------
        !           931: dnl figure out how to specify an interface in multicast sockets API
        !           932: dnl ---------------------------------------------------------------
        !           933: AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], QUAGGA_INCLUDES)
        !           934: 
        !           935: AC_MSG_CHECKING([for BSD struct ip_mreq hack])
        !           936: AC_TRY_COMPILE([#ifdef HAVE_SYS_PARAM_H
        !           937: #include <sys/param.h>
        !           938: #endif],[#if (defined(__FreeBSD__) && ((__FreeBSD_version >= 500022 && __FreeBSD_version < 700000) || (__FreeBSD_version < 500000 && __FreeBSD_version >= 440000))) || (defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 106010000)
        !           939:   return (0);
        !           940: #else
        !           941:   #error No support for BSD struct ip_mreq hack detected
        !           942: #endif],[AC_MSG_RESULT(yes)
        !           943: AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
        !           944: AC_MSG_RESULT(no))
        !           945: 
        !           946: AC_MSG_CHECKING([for RFC3678 protocol-independed API])
        !           947: AC_TRY_COMPILE([
        !           948: #include <sys/types.h>
        !           949: #include <netinet/in.h>
        !           950: ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
        !           951: ], [AC_MSG_RESULT(yes)
        !           952: AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
        !           953: AC_MSG_RESULT(no))
        !           954: 
        !           955: dnl ---------------------------------------------------------------
        !           956: dnl figure out how to check link-state
        !           957: dnl ---------------------------------------------------------------
        !           958: AC_CHECK_HEADER([net/if.h],
        !           959:   [AC_CHECK_HEADER( [net/if_media.h],
        !           960:     [m4_define([LINK_DETECT_INCLUDES],
        !           961:       QUAGGA_INCLUDES
        !           962:       [#include <net/if_media.h>
        !           963:     ])
        !           964:     AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
        !           965:       AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
        !           966:       [], LINK_DETECT_INCLUDES)], 
        !           967:     [],
        !           968:     QUAGGA_INCLUDES)], 
        !           969:   [], QUAGGA_INCLUDES )
        !           970: 
        !           971: dnl ------------------------
        !           972: dnl TCP_MD5SIG socket option
        !           973: dnl ------------------------
        !           974: 
        !           975: AC_CHECK_HEADER([netinet/tcp.h], 
        !           976:    [m4_define([MD5_INCLUDES],
        !           977:       QUAGGA_INCLUDES
        !           978:       [#include <netinet/tcp.h>
        !           979:     ])
        !           980:     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
        !           981:    [],
        !           982:    QUAGGA_INCLUDES)
        !           983: if test $ac_cv_have_decl_TCP_MD5SIG = no; then
        !           984:   AC_CHECK_HEADER([linux/tcp.h],
        !           985:        [m4_define([MD5_INCLUDES],
        !           986:           QUAGGA_INCLUDES
        !           987:           [#include <linux/tcp.h>
        !           988:         ])
        !           989:        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
        !           990: fi
        !           991: 
        !           992: dnl -----------------------
        !           993: dnl check proc file system.
        !           994: dnl -----------------------
        !           995: if test "$netlink" != yes; then
        !           996:   if test -r /proc/net/dev; then
        !           997:     AC_DEFINE(HAVE_PROC_NET_DEV,,/proc/net/dev)
        !           998:     IF_PROC=if_proc.o
        !           999:   fi
        !          1000:   if test -r /proc/net/if_inet6; then
        !          1001:     AC_DEFINE(HAVE_PROC_NET_IF_INET6,,/proc/net/if_inet6)
        !          1002:     IF_PROC=if_proc.o
        !          1003:   fi
        !          1004: fi
        !          1005: AC_SUBST(IF_PROC)
        !          1006: 
        !          1007: dnl -----------------------------
        !          1008: dnl check ipforward detect method
        !          1009: dnl -----------------------------
        !          1010: AC_CACHE_CHECK([ipforward method], [quagga_cv_ipforward_method],
        !          1011: [for quagga_cv_ipforward_method in /proc/net/snmp /dev/ip /dev/null;
        !          1012: do
        !          1013:   test x`ls $quagga_cv_ipforward_method 2>/dev/null` = x"$quagga_cv_ipforward_method" && break
        !          1014: done
        !          1015: case $quagga_cv_ipforward_method in
        !          1016:   "/proc/net/snmp")  quagga_cv_ipforward_method="proc";;
        !          1017:   "/dev/ip")         
        !          1018:                      case "$host" in
        !          1019:                        *-nec-sysv4*)  quagga_cv_ipforward_method="ews";;
        !          1020:                        *-freebsd*)    quagga_cv_ipforward_method="sysctl";;
        !          1021:                        *)             quagga_cv_ipforward_method="solaris";;
        !          1022:                      esac;;
        !          1023:   *)                 quagga_cv_ipforward_method="sysctl";;
        !          1024: esac])
        !          1025: IPFORWARD=ipforward_${quagga_cv_ipforward_method}.o
        !          1026: AC_SUBST(IPFORWARD)
        !          1027: 
        !          1028: AC_CHECK_FUNCS(getaddrinfo, [have_getaddrinfo=yes], [have_getaddrinfo=no])
        !          1029: 
        !          1030: dnl ----------
        !          1031: dnl IPv6 check
        !          1032: dnl ----------
        !          1033: AC_MSG_CHECKING(whether does this OS have IPv6 stack)
        !          1034: if test "${enable_ipv6}" = "no"; then
        !          1035:   AC_MSG_RESULT(disabled)
        !          1036: else
        !          1037: dnl ----------
        !          1038: dnl INRIA IPv6
        !          1039: dnl ----------
        !          1040:   if grep IPV6_INRIA_VERSION /usr/include/netinet/in.h >/dev/null 2>&1; then
        !          1041:     zebra_cv_ipv6=yes
        !          1042:     AC_DEFINE(HAVE_IPV6,1,INRIA IPv6)
        !          1043:     AC_DEFINE(INRIA_IPV6,1,INRIA IPv6)
        !          1044:     RIPNGD="ripngd"
        !          1045:     OSPF6D="ospf6d"
        !          1046:     LIB_IPV6=""
        !          1047:     AC_MSG_RESULT(INRIA IPv6)
        !          1048: dnl ---------
        !          1049: dnl KAME IPv6
        !          1050: dnl ---------
        !          1051:   elif grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
        !          1052:     zebra_cv_ipv6=yes
        !          1053:     AC_DEFINE(HAVE_IPV6,1,KAME IPv6)
        !          1054:     AC_DEFINE(KAME,1,KAME IPv6)
        !          1055:     RIPNGD="ripngd"
        !          1056:     OSPF6D="ospf6d"
        !          1057:     if test -d /usr/local/v6/lib -a -f /usr/local/v6/lib/libinet6.a; then
        !          1058:       LIB_IPV6="-L/usr/local/v6/lib -linet6"
        !          1059:     fi
        !          1060:     AC_MSG_RESULT(KAME)
        !          1061: dnl -------------------------
        !          1062: dnl MUSICA IPv6
        !          1063: dnl  default host check
        !          1064: dnl  It is not used by Kheops
        !          1065: dnl -------------------------
        !          1066:   elif grep MUSICA /usr/include6/netinet6/in6.h >/dev/null 2>&1; then
        !          1067:     zebra_cv_ipv6=yes
        !          1068:     AC_DEFINE(HAVE_IPV6,1,Musicia IPv6)
        !          1069:     AC_DEFINE(MUSICA,1,Musica IPv6 stack)
        !          1070:     AC_DEFINE(KAME,1,KAME IPv6 stack)
        !          1071:     RIPNGD="ripngd"
        !          1072:     OSPF6D="ospf6d"
        !          1073:     if test -d /usr/local/v6/lib -a -f /usr/local/v6/lib/libinet6.a; then
        !          1074:       LIB_IPV6="-L/usr/local/v6/lib -linet6"
        !          1075:     fi
        !          1076:     AC_MSG_RESULT(MUSICA)
        !          1077: dnl ---------
        !          1078: dnl NRL check
        !          1079: dnl ---------
        !          1080:   elif grep NRL /usr/include/netinet6/in6.h >/dev/null 2>&1; then
        !          1081:     zebra_cv_ipv6=yes
        !          1082:     AC_DEFINE(HAVE_IPV6,1,NRL IPv6)
        !          1083:     AC_DEFINE(NRL,1,NRL)
        !          1084:     RIPNGD="ripngd"
        !          1085:     OSPF6D="ospf6d"
        !          1086:     if test x"$opsys" = x"bsdi";then
        !          1087:       AC_DEFINE(BSDI_NRL,,BSDI)
        !          1088:       AC_MSG_RESULT(BSDI_NRL)
        !          1089:     else
        !          1090:       AC_MSG_RESULT(NRL)
        !          1091:     fi
        !          1092: dnl ------------------------------------
        !          1093: dnl Solaris 9, 10 and potentially higher
        !          1094: dnl ------------------------------------
        !          1095:   elif test x"$opsys" = x"sol8"; then
        !          1096:     zebra_cv_ipv6=yes;
        !          1097:     AC_DEFINE(HAVE_IPV6, 1, IPv6)
        !          1098:     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
        !          1099:     RIPNGD="ripngd"
        !          1100:     OSPF6D="ospf6d"
        !          1101:     AC_MSG_RESULT(Solaris IPv6)
        !          1102: dnl ----------
        !          1103: dnl Linux IPv6
        !          1104: dnl ----------
        !          1105:   elif test "${enable_ipv6}" = "yes"; then
        !          1106:     AC_EGREP_CPP(yes, [
        !          1107:       #include <linux/version.h>
        !          1108:       /* 2.1.128 or later */
        !          1109:       #if LINUX_VERSION_CODE >= 0x020180
        !          1110:       yes
        !          1111:       #endif],
        !          1112:       [zebra_cv_ipv6=yes
        !          1113:        zebra_cv_linux_ipv6=yes
        !          1114:        AC_MSG_RESULT(Linux IPv6)])
        !          1115:   else
        !          1116:     if test x`ls /proc/net/ipv6_route 2>/dev/null` = x"/proc/net/ipv6_route"
        !          1117:      then
        !          1118:       zebra_cv_ipv6=yes
        !          1119:       zebra_cv_linux_ipv6=yes
        !          1120:       AC_MSG_RESULT(Linux IPv6)
        !          1121:     fi
        !          1122:   fi
        !          1123: 
        !          1124:   if test "$zebra_cv_linux_ipv6" = "yes";then
        !          1125:     AC_MSG_CHECKING(whether libc has IPv6 support)
        !          1126:     AC_TRY_LINK([#include <netinet/in.h>
        !          1127:     ],[ int a; a = (int) in6addr_any.s6_addr[0]; if (a != 12345) return a; ],
        !          1128:     [AC_MSG_RESULT(yes)
        !          1129:       zebra_cv_ipv6=yes
        !          1130:       zebra_cv_linux_ipv6=yes],
        !          1131:     [AC_MSG_RESULT(no)
        !          1132:       zebra_cv_ipv6=no
        !          1133:       zebra_cv_linux_ipv6=no])
        !          1134:   fi
        !          1135: 
        !          1136:   if test "$zebra_cv_linux_ipv6" = "yes";then
        !          1137:     AC_MSG_CHECKING(for GNU libc >= 2.1)
        !          1138:     AC_DEFINE(HAVE_IPV6,1,Linux IPv6)
        !          1139:     AC_EGREP_CPP(yes, [
        !          1140: #include <features.h>
        !          1141: #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
        !          1142:   yes
        !          1143: #endif], 
        !          1144:       [glibc=yes
        !          1145:        AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
        !          1146:        AC_MSG_RESULT(yes)], 
        !          1147:       AC_MSG_RESULT(no)
        !          1148:     )
        !          1149:     RIPNGD="ripngd"
        !          1150:     OSPF6D="ospf6d"
        !          1151:     if test "$glibc" != "yes"; then
        !          1152:       INCLUDES="-I/usr/inet6/include"
        !          1153:       if test x`ls /usr/inet6/lib/libinet6.a 2>/dev/null` != x;then
        !          1154:          LIB_IPV6="-L/usr/inet6/lib -linet6"
        !          1155:       fi
        !          1156:     fi
        !          1157:   fi
        !          1158: 
        !          1159: dnl -----------------------
        !          1160: dnl Set IPv6 related values
        !          1161: dnl -----------------------
        !          1162:   LIBS="$LIB_IPV6 $LIBS"
        !          1163:   AC_SUBST(LIB_IPV6)
        !          1164: 
        !          1165:   if test x"$RIPNGD" = x""; then
        !          1166:     AC_MSG_RESULT(IPv4 only)
        !          1167:   fi
        !          1168: fi
        !          1169: 
        !          1170: dnl ------------------
        !          1171: dnl IPv6 header checks
        !          1172: dnl ------------------
        !          1173: if test "x${zebra_cv_ipv6}" = "xyes"; then
        !          1174: AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h netinet/icmp6.h \
        !          1175:        netinet6/in6_var.h netinet6/nd6.h], [], [],
        !          1176:        QUAGGA_INCLUDES)
        !          1177: fi
        !          1178: 
        !          1179: m4_define([QUAGGA_INCLUDES],dnl
        !          1180: QUAGGA_INCLUDES
        !          1181: [#if HAVE_NETINET6_IN6_H
        !          1182: #include <netinet6/in6.h>
        !          1183: #endif
        !          1184: #if HAVE_NETINET_IN6_VAR_H
        !          1185: #include <netinet/in6_var.h>
        !          1186: #endif
        !          1187: #if HAVE_NETINET_ICMP6_H
        !          1188: # include <netinet/icmp6.h>
        !          1189: #endif
        !          1190: #if HAVE_NETINET6_IN6_VAR_H
        !          1191: # include <netinet6/in6_var.h>
        !          1192: #endif
        !          1193: #if HAVE_NETINET6_ND6_H
        !          1194: # include <netinet6/nd6.h>
        !          1195: #endif
        !          1196: ])dnl
        !          1197: 
        !          1198: dnl disable doc check
        !          1199: if test "${enable_doc}" = "no";then
        !          1200:   DOC=""
        !          1201: else
        !          1202:   DOC="doc"
        !          1203: fi
        !          1204: 
        !          1205: dnl --------------------
        !          1206: dnl Daemon disable check
        !          1207: dnl --------------------
        !          1208: if test "${enable_zebra}" = "no";then
        !          1209:   ZEBRA=""
        !          1210: else
        !          1211:   ZEBRA="zebra"
        !          1212: fi
        !          1213: 
        !          1214: if test "${enable_bgpd}" = "no";then
        !          1215:   BGPD=""
        !          1216: else
        !          1217:   BGPD="bgpd"
        !          1218: fi
        !          1219: 
        !          1220: if test "${enable_ripd}" = "no";then
        !          1221:   RIPD=""
        !          1222: else
        !          1223:   RIPD="ripd"
        !          1224: fi
        !          1225: 
        !          1226: if test "${enable_ospfd}" = "no";then
        !          1227:   OSPFD=""
        !          1228: else
        !          1229:   OSPFD="ospfd"
        !          1230: fi
        !          1231: 
        !          1232: if test "${enable_watchquagga}" = "no";then
        !          1233:   WATCHQUAGGA=""
        !          1234: else
        !          1235:   WATCHQUAGGA="watchquagga"
        !          1236: fi
        !          1237: 
        !          1238: OSPFCLIENT=""
        !          1239: if test "${enable_opaque_lsa}" != "no"; then
        !          1240:   if test "${enable_ospfapi}" != "no";then
        !          1241:     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
        !          1242: 
        !          1243:     if test "${enable_ospfclient}" != "no";then
        !          1244:       OSPFCLIENT="ospfclient"
        !          1245:     fi
        !          1246:   fi
        !          1247: 
        !          1248: fi
        !          1249: 
        !          1250: case "${enable_ripngd}" in
        !          1251:   "yes") RIPNGD="ripngd";;
        !          1252:   "no" ) RIPNGD="";;
        !          1253:   *    ) ;;
        !          1254: esac
        !          1255: 
        !          1256: case "${enable_ospf6d}" in
        !          1257:   "yes") OSPF6D="ospf6d";;
        !          1258:   "no" ) OSPF6D="";;
        !          1259:   *    ) ;;
        !          1260: esac
        !          1261: 
        !          1262: case "${enable_isisd}" in
        !          1263:   "yes") ISISD="isisd";;
        !          1264:   "no" ) ISISD="";;
        !          1265:   *    ) ;;
        !          1266: esac
        !          1267: 
        !          1268: # XXX Perhaps auto-enable on Solaris, but that's messy for cross builds.
        !          1269: case "${enable_solaris}" in
        !          1270:   "yes") SOLARIS="solaris";;
        !          1271:   "no" ) SOLARIS="";;
        !          1272:   *    ) ;;
        !          1273: esac
        !          1274: 
        !          1275: if test "${enable_bgp_announce}" = "no";then
        !          1276:   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
        !          1277: else
        !          1278:   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
        !          1279: fi
        !          1280: 
        !          1281: AC_SUBST(DOC)
        !          1282: AC_SUBST(ZEBRA)
        !          1283: AC_SUBST(BGPD)
        !          1284: AC_SUBST(RIPD)
        !          1285: AC_SUBST(RIPNGD)
        !          1286: AC_SUBST(OSPFD)
        !          1287: AC_SUBST(OSPF6D)
        !          1288: AC_SUBST(WATCHQUAGGA)
        !          1289: AC_SUBST(ISISD)
        !          1290: AC_SUBST(SOLARIS)
        !          1291: AC_SUBST(VTYSH)
        !          1292: AC_SUBST(INCLUDES)
        !          1293: AC_SUBST(CURSES)
        !          1294: AC_SUBST(OSPFCLIENT)
        !          1295: AC_SUBST(OSPFAPI)
        !          1296: AC_CHECK_LIB(c, inet_ntop, [AC_DEFINE(HAVE_INET_NTOP,,inet_ntop)])
        !          1297: AC_CHECK_LIB(c, inet_pton, [AC_DEFINE(HAVE_INET_PTON,,inet_pton)])
        !          1298: AC_CHECK_LIB(crypt, crypt)
        !          1299: AC_CHECK_LIB(resolv, res_init)
        !          1300: 
        !          1301: dnl ---------------------------------------------------
        !          1302: dnl BSD/OS 4.1 define inet_XtoY function as __inet_XtoY
        !          1303: dnl ---------------------------------------------------
        !          1304: AC_CHECK_FUNC(__inet_ntop, AC_DEFINE(HAVE_INET_NTOP,,__inet_ntop))
        !          1305: AC_CHECK_FUNC(__inet_pton, AC_DEFINE(HAVE_INET_PTON,,__inet_pton))
        !          1306: AC_CHECK_FUNC(__inet_aton, AC_DEFINE(HAVE_INET_ATON,,__inet_aton))
        !          1307: 
        !          1308: dnl ---------------------------
        !          1309: dnl check system has PCRE regexp
        !          1310: dnl ---------------------------
        !          1311: if test "x$enable_pcreposix" = "xyes"; then
        !          1312:   AC_CHECK_LIB(pcreposix, pcreposix_regexec, ,[enable_pcreposix=no
        !          1313:   AC_MSG_WARN([*** falling back to other regex library ***]) ])
        !          1314: fi
        !          1315: 
        !          1316: if test "x$enable_pcreposix" != "xyes"; then
        !          1317: dnl ---------------------------
        !          1318: dnl check system has GNU regexp
        !          1319: dnl ---------------------------
        !          1320: AC_MSG_CHECKING(whether system has GNU regex)
        !          1321: AC_CHECK_LIB(c, regexec,
        !          1322: [AC_DEFINE(HAVE_GNU_REGEX,,GNU regexp library)
        !          1323:  LIB_REGEX=""],
        !          1324: [LIB_REGEX="regex.o"])
        !          1325: fi
        !          1326: AC_SUBST(HAVE_LIBPCREPOSIX)
        !          1327: AC_SUBST(LIB_REGEX)
        !          1328: 
        !          1329: dnl ------------------
        !          1330: dnl check Net-SNMP library
        !          1331: dnl ------------------
        !          1332: if test "${enable_snmp}" = "yes"; then
        !          1333:     if test "$with_crypto" != "no"; then
        !          1334:         LIBS="${LIBS} -lcrypto";
        !          1335:     fi
        !          1336:     AC_CHECK_LIB(netsnmp, asn_parse_int,
        !          1337:        [AC_DEFINE(HAVE_NETSNMP,,Net SNMP) 
        !          1338:         AC_DEFINE(HAVE_SNMP,,SNMP)
        !          1339:         LIBS="${LIBS} -lnetsnmp"],
        !          1340:        [AC_MSG_ERROR([--enable-snmp given, but cannot find support for SNMP])])
        !          1341: 
        !          1342:     AC_CHECK_HEADER([net-snmp/net-snmp-config.h],
        !          1343:         [],
        !          1344:         [AC_MSG_ERROR([--enable-snmp given, but cannot find net-snmp-config.h])],
        !          1345:        QUAGGA_INCLUDES)
        !          1346:     AC_SUBST(SNMP_INCLUDES)
        !          1347: fi
        !          1348: 
        !          1349: dnl ---------------------------
        !          1350: dnl sockaddr and netinet checks
        !          1351: dnl ---------------------------
        !          1352: AC_CHECK_TYPES([struct sockaddr, struct sockaddr_in,
        !          1353:        struct sockaddr_in6, struct sockaddr_un, struct sockaddr_dl,
        !          1354:        socklen_t,
        !          1355:        struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
        !          1356:        struct nd_opt_adv_interval, struct rt_addrinfo,
        !          1357:        struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
        !          1358:        [], [], QUAGGA_INCLUDES)
        !          1359: 
        !          1360: AC_CHECK_MEMBERS([struct sockaddr.sa_len,
        !          1361:        struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
        !          1362:        struct sockaddr_in6.sin6_scope_id,
        !          1363:        struct if6_aliasreq.ifra_lifetime,
        !          1364:        struct nd_opt_adv_interval.nd_opt_ai_type],
        !          1365:        [], [], QUAGGA_INCLUDES)
        !          1366: 
        !          1367: dnl ---------------------------
        !          1368: dnl IRDP/pktinfo/icmphdr checks
        !          1369: dnl ---------------------------
        !          1370: AC_CHECK_TYPES([struct in_pktinfo], 
        !          1371:  [AC_CHECK_TYPES([struct icmphdr],
        !          1372:    [if test "${enable_irdp}" != "no"; then
        !          1373:       AC_DEFINE(HAVE_IRDP,, IRDP)
        !          1374:     fi],
        !          1375:    [if test "${enable_irdp}" = "yes"; then
        !          1376:       AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
        !          1377:     fi], [QUAGGA_INCLUDES])],
        !          1378:  [if test "${enable_irdp}" = "yes"; then
        !          1379:     AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
        !          1380:   fi], [QUAGGA_INCLUDES])
        !          1381: 
        !          1382: dnl --------------------------------------
        !          1383: dnl checking for getrusage struct and call
        !          1384: dnl --------------------------------------
        !          1385: AC_MSG_CHECKING(whether getrusage is available)
        !          1386: AC_TRY_COMPILE([#include <sys/resource.h>
        !          1387: ],[struct rusage ac_x; getrusage (RUSAGE_SELF, &ac_x);],
        !          1388: [AC_MSG_RESULT(yes)
        !          1389:  AC_DEFINE(HAVE_RUSAGE,,rusage)],
        !          1390:  AC_MSG_RESULT(no))
        !          1391: 
        !          1392: dnl --------------------------------------
        !          1393: dnl checking for clock_time monotonic struct and call
        !          1394: dnl --------------------------------------
        !          1395: AC_CHECK_DECL(CLOCK_MONOTONIC,
        !          1396:        [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
        !          1397:         AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
        !          1398: ], [AC_MSG_RESULT(no)], [QUAGGA_INCLUDES])
        !          1399: 
        !          1400: dnl -------------------
        !          1401: dnl capabilities checks
        !          1402: dnl -------------------
        !          1403: if test "${enable_capabilities}" != "no"; then
        !          1404:   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
        !          1405:   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
        !          1406:     [AC_MSG_RESULT(yes)
        !          1407:      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
        !          1408:      quagga_ac_keepcaps="yes"],
        !          1409:      AC_MSG_RESULT(no)
        !          1410:   )
        !          1411:   if test x"${quagga_ac_keepcaps}" = x"yes"; then
        !          1412:     AC_CHECK_HEADERS(sys/capability.h)
        !          1413:   fi
        !          1414:   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
        !          1415:     AC_CHECK_LIB(cap, cap_init, 
        !          1416:       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
        !          1417:        LIBCAP="-lcap"
        !          1418:        quagga_ac_lcaps="yes"]
        !          1419:     )
        !          1420:   else
        !          1421:     AC_CHECK_HEADERS(priv.h,
        !          1422:      [AC_MSG_CHECKING(Solaris style privileges are available)
        !          1423:       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
        !          1424:          [AC_MSG_RESULT(yes)
        !          1425:           AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
        !          1426:           quagga_ac_scaps="yes"],
        !          1427:           AC_MSG_RESULT(no)
        !          1428:       )
        !          1429:      ]
        !          1430:    )
        !          1431:   fi
        !          1432:   if test x"${quagga_ac_scaps}" = x"yes" \
        !          1433:        -o x"${quagga_ac_lcaps}" = x"yes"; then
        !          1434:     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
        !          1435:   fi
        !          1436: fi
        !          1437: AC_SUBST(LIBCAP)
        !          1438: 
        !          1439: dnl ---------------------------
        !          1440: dnl check for glibc 'backtrace'
        !          1441: dnl --------------------------- 
        !          1442: AC_CHECK_HEADER([execinfo.h],
        !          1443:   [AC_CHECK_FUNC([backtrace],
        !          1444:     [AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
        !          1445:      AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
        !          1446:   ])
        !          1447: ])
        !          1448: 
        !          1449: dnl -----------------------------------------
        !          1450: dnl check for malloc mallinfo struct and call
        !          1451: dnl this must try and link using LIBS, in
        !          1452: dnl order to check no alternative allocator
        !          1453: dnl has been specified, which might not provide
        !          1454: dnl mallinfo, e.g. such as Umem on Solaris.
        !          1455: dnl -----------------------------------------
        !          1456: AC_CHECK_HEADER([malloc.h],
        !          1457:  [AC_MSG_CHECKING(whether mallinfo is available)
        !          1458:   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
        !          1459:                         [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
        !          1460:       [AC_MSG_RESULT(yes)
        !          1461:        AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
        !          1462:        AC_MSG_RESULT(no)
        !          1463:   )
        !          1464:  ], [], QUAGGA_INCLUDES)
        !          1465: 
        !          1466: dnl ----------
        !          1467: dnl configure date
        !          1468: dnl ----------
        !          1469: CONFDATE=`date '+%Y%m%d'`
        !          1470: AC_SUBST(CONFDATE)
        !          1471: 
        !          1472: dnl Conditionally enable PIE support for GNU toolchains.
        !          1473: AC_ARG_ENABLE(pie, AS_HELP_STRING([--disable-pie], [Do not build tools as a Position Independent Executables]))
        !          1474: if test "$enable_pie" != "no"; then
        !          1475:   AC_CACHE_CHECK([whether $CC accepts PIE flags], [ap_cv_cc_pie], [
        !          1476:     save_CFLAGS=$CFLAGS
        !          1477:     save_LDFLAGS=$LDFLAGS
        !          1478:     CFLAGS="$CFLAGS -fPIE"
        !          1479:     LDFLAGS="$LDFLAGS -pie"
        !          1480:     AC_LINK_IFELSE([AC_LANG_SOURCE([[static int foo[30000]; int main () { return 0; }]])],
        !          1481:       [ap_cv_cc_pie=yes], [ap_cv_cc_pie=no]
        !          1482:     )
        !          1483:     CFLAGS=$save_CFLAGS
        !          1484:     LDFLAGS=$save_LDFLAGS
        !          1485:   ])
        !          1486:   if test "$ap_cv_cc_pie" = "yes"; then
        !          1487:     PICFLAGS="-fPIE"
        !          1488:     PILDFLAGS="-pie"
        !          1489:   fi
        !          1490: fi
        !          1491: 
        !          1492: AC_SUBST(PICFLAGS)
        !          1493: AC_SUBST(PILDFLAGS)
        !          1494: 
        !          1495: dnl ------------------------------
        !          1496: dnl set paths for state directory
        !          1497: dnl ------------------------------
        !          1498: AC_MSG_CHECKING(directory to use for state file)
        !          1499: if test "${prefix}" = "NONE"; then
        !          1500:   quagga_statedir_prefix="";
        !          1501: else
        !          1502:   quagga_statedir_prefix=${prefix}
        !          1503: fi
        !          1504: if test "${localstatedir}" = '${prefix}/var'; then
        !          1505:   for QUAGGA_STATE_DIR in ${quagga_statedir_prefix}/var/run dnl
        !          1506:                        ${quagga_statedir_prefix}/var/adm dnl
        !          1507:                        ${quagga_statedir_prefix}/etc dnl
        !          1508:                        /var/run        dnl
        !          1509:                         /var/adm       dnl
        !          1510:                         /etc           dnl
        !          1511:                         /dev/null;
        !          1512:   do
        !          1513:     test -d $QUAGGA_STATE_DIR && break
        !          1514:   done
        !          1515:   quagga_statedir=$QUAGGA_STATE_DIR
        !          1516: else
        !          1517:   quagga_statedir=${localstatedir}
        !          1518: fi
        !          1519: if test $quagga_statedir = "/dev/null"; then
        !          1520:     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
        !          1521: fi
        !          1522: AC_MSG_RESULT(${quagga_statedir})
        !          1523: AC_SUBST(quagga_statedir)
        !          1524: 
        !          1525: AC_DEFINE_UNQUOTED(PATH_ZEBRA_PID, "$quagga_statedir/zebra.pid",zebra PID)
        !          1526: AC_DEFINE_UNQUOTED(PATH_RIPD_PID, "$quagga_statedir/ripd.pid",ripd PID)
        !          1527: AC_DEFINE_UNQUOTED(PATH_RIPNGD_PID, "$quagga_statedir/ripngd.pid",ripngd PID)
        !          1528: AC_DEFINE_UNQUOTED(PATH_BGPD_PID, "$quagga_statedir/bgpd.pid",bgpd PID)
        !          1529: AC_DEFINE_UNQUOTED(PATH_OSPFD_PID, "$quagga_statedir/ospfd.pid",ospfd PID)
        !          1530: AC_DEFINE_UNQUOTED(PATH_OSPF6D_PID, "$quagga_statedir/ospf6d.pid",ospf6d PID)
        !          1531: AC_DEFINE_UNQUOTED(PATH_ISISD_PID, "$quagga_statedir/isisd.pid",isisd PID)
        !          1532: AC_DEFINE_UNQUOTED(PATH_WATCHQUAGGA_PID, "$quagga_statedir/watchquagga.pid",watchquagga PID)
        !          1533: AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$quagga_statedir/zserv.api",zebra api socket)
        !          1534: AC_DEFINE_UNQUOTED(ZEBRA_VTYSH_PATH, "$quagga_statedir/zebra.vty",zebra vty socket)
        !          1535: AC_DEFINE_UNQUOTED(RIP_VTYSH_PATH, "$quagga_statedir/ripd.vty",rip vty socket)
        !          1536: AC_DEFINE_UNQUOTED(RIPNG_VTYSH_PATH, "$quagga_statedir/ripngd.vty",ripng vty socket)
        !          1537: AC_DEFINE_UNQUOTED(BGP_VTYSH_PATH, "$quagga_statedir/bgpd.vty",bgpd vty socket)
        !          1538: AC_DEFINE_UNQUOTED(OSPF_VTYSH_PATH, "$quagga_statedir/ospfd.vty",ospfd vty socket)
        !          1539: AC_DEFINE_UNQUOTED(OSPF6_VTYSH_PATH, "$quagga_statedir/ospf6d.vty",ospf6d vty socket)
        !          1540: AC_DEFINE_UNQUOTED(ISIS_VTYSH_PATH, "$quagga_statedir/isisd.vty",isisd vty socket)
        !          1541: AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$quagga_statedir",daemon vty directory)
        !          1542: 
        !          1543: dnl -------------------------------
        !          1544: dnl Quagga sources should always be 
        !          1545: dnl current wrt interfaces. Dont
        !          1546: dnl allow deprecated interfaces to
        !          1547: dnl be exposed.
        !          1548: dnl -------------------------------
        !          1549: AC_DEFINE(QUAGGA_NO_DEPRECATED_INTERFACES, 1, Hide deprecated interfaces)
        !          1550: 
        !          1551: dnl ---------------------------
        !          1552: dnl Check htonl works correctly
        !          1553: dnl ---------------------------
        !          1554: AC_MSG_CHECKING(for working htonl)
        !          1555: AC_CACHE_VAL(ac_cv_htonl_works,
        !          1556:  [AC_LINK_IFELSE([AC_LANG_PROGRAM([QUAGGA_INCLUDES],[htonl (0);])],
        !          1557:                [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
        !          1558:  ]
        !          1559: )
        !          1560: AC_MSG_RESULT($ac_cv_htonl_works)
        !          1561: 
        !          1562: AC_CONFIG_FILES([Makefile lib/Makefile zebra/Makefile ripd/Makefile 
        !          1563:          ripngd/Makefile bgpd/Makefile ospfd/Makefile watchquagga/Makefile
        !          1564:          ospf6d/Makefile isisd/Makefile vtysh/Makefile doc/Makefile 
        !          1565:          ospfclient/Makefile tests/Makefile m4/Makefile redhat/Makefile
        !          1566:          pkgsrc/Makefile
        !          1567:          redhat/quagga.spec 
        !          1568:          lib/version.h
        !          1569:          doc/defines.texi
        !          1570:          isisd/topology/Makefile
        !          1571:          pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
        !          1572:          pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh])
        !          1573: AC_CONFIG_FILES([solaris/Makefile])
        !          1574: 
        !          1575: AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
        !          1576: ## Hack, but working solution to avoid rebuilding of quagga.info.
        !          1577: ## It's already in CVS until texinfo 4.7 is more common.
        !          1578: AC_OUTPUT
        !          1579: 
        !          1580: echo "
        !          1581: Quagga configuration
        !          1582: --------------------
        !          1583: quagga version          : ${PACKAGE_VERSION}
        !          1584: host operating system  : ${host_os}
        !          1585: source code location    : ${srcdir}
        !          1586: compiler                : ${CC}
        !          1587: compiler flags          : ${CFLAGS}
        !          1588: make                    : ${MAKE-make}
        !          1589: includes                : ${INCLUDES} ${SNMP_INCLUDES}
        !          1590: linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
        !          1591: state file directory    : ${quagga_statedir}
        !          1592: config file directory   : `eval echo \`echo ${sysconfdir}\``
        !          1593: example directory       : `eval echo \`echo ${exampledir}\``
        !          1594: user to run as         : ${enable_user}
        !          1595: group to run as                : ${enable_group}
        !          1596: group for vty sockets  : ${enable_vty_group}
        !          1597: config file mask        : ${enable_configfile_mask}
        !          1598: log file mask           : ${enable_logfile_mask}
        !          1599: 
        !          1600: The above user and group must have read/write access to the state file
        !          1601: directory and to the config files in the config file directory."
        !          1602: 
        !          1603: if test x"$quagga_cv_gnu_make" = x"no"; then echo "
        !          1604: Warning: The ${MAKE-make} programme detected, either in your path or
        !          1605: via the MAKE variable, is not GNU Make. GNU make may be installed as
        !          1606: gmake on some systems. and is required to complete a build of Quagga
        !          1607: " > /dev/stderr 
        !          1608: fi

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>