Annotation of embedaddon/quagga/configure.ac, revision 1.1.1.2

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: 
1.1.1.2 ! misho      10: AC_INIT(Quagga, 0.99.20.1, [https://bugzilla.quagga.net])
1.1       misho      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

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