configure.ac

   1 ##
   2 ## Configure template file for FRRouting.
   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(2.60)
   9
  10 AC_INIT(frr, 3.0-rc0, [https://github.com/frrouting/frr/issues])
  11 PACKAGE_URL="https://frrouting.org/"
  12 PACKAGE_FULLNAME="FRRouting"
  13 AC_SUBST(PACKAGE_FULLNAME)
  14
  15 CONFIG_ARGS="$ac_configure_args"
  16 AC_SUBST(CONFIG_ARGS)
  17
  18 AC_CONFIG_SRCDIR(lib/zebra.h)
  19 AC_CONFIG_MACRO_DIR([m4])
  20
  21 dnl -----------------------------------
  22 dnl Get hostname and other information.
  23 dnl -----------------------------------
  24 AC_CANONICAL_BUILD()
  25 AC_CANONICAL_HOST()
  26 AC_CANONICAL_TARGET()
  27
  28 # Disable portability warnings -- our automake code (in particular
  29 # common.am) uses some constructs specific to gmake.
  30 AM_INIT_AUTOMAKE([1.12 -Wno-portability])
  31 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
  32 AM_SILENT_RULES([yes])
  33 AC_CONFIG_HEADERS(config.h)
  34
  35 AC_PATH_PROG(PERL, perl)
  36 PKG_PROG_PKG_CONFIG
  37
  38 dnl default is to match previous behavior
  39 exampledir=${sysconfdir}
  40 AC_ARG_ENABLE([exampledir],
  41           AS_HELP_STRING([--enable-exampledir],
  42                          [specify alternate directory for examples]),
  43                          exampledir="$enableval",)
  44 dnl XXX add --exampledir to autoconf standard directory list somehow
  45 AC_SUBST(exampledir)
  46
  47 dnl default is to match previous behavior
  48 pkgsrcrcdir=""
  49 pkgsrcdir=""
  50 AC_ARG_ENABLE([pkgsrcrcdir],
  51           AS_HELP_STRING([--enable-pkgsrcrcdir],
  52                          [specify directory for rc.d scripts]),
  53                          pkgsrcrcdir="$enableval"; pkgsrcdir="pkgsrc",)
  54 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
  55 AC_SUBST(pkgsrcdir)
  56 AC_SUBST(pkgsrcrcdir)
  57
  58 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
  59         moduledir="$withval"
  60 ], [
  61         moduledir="\${libdir}/frr/modules"
  62 ])
  63 AC_SUBST([moduledir], [$moduledir])
  64
  65 AC_ARG_ENABLE(tcmalloc,
  66         AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
  67 [case "${enableval}" in
  68   yes) tcmalloc_enabled=true
  69 LIBS="$LIBS -ltcmalloc_minimal"
  70  ;;
  71   no)  tcmalloc_enabled=false ;;
  72   *) AC_MSG_ERROR(bad value ${enableval} for --enable-tcmalloc) ;;
  73 esac],[tcmalloc_enabled=false])
  74
  75
  76 dnl --------------------
  77 dnl Check CC and friends
  78 dnl --------------------
  79 dnl note orig_cflags is also used further down
  80 orig_cflags="$CFLAGS"
  81 AC_LANG([C])
  82 AC_PROG_CC
  83 AC_PROG_CPP
  84 AM_PROG_CC_C_O
  85 dnl remove autoconf default "-g -O2"
  86 CFLAGS="$orig_cflags"
  87 AC_PROG_CC_C99
  88
  89 AC_PROG_EGREP
  90 PKG_PROG_PKG_CONFIG
  91
  92 dnl autoconf 2.59 appears not to support AC_PROG_SED
  93 dnl AC_PROG_SED
  94 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  95
  96 dnl try and enable CFLAGS that are useful for Quagga
  97 dnl - specifically, options to control warnings
  98
  99 AC_USE_SYSTEM_EXTENSIONS()
 100 AC_DEFUN([AC_C_FLAG], [{
 101         AC_LANG_PUSH(C)
 102         ac_c_flag_save="$CFLAGS"
 103         CFLAGS="$CFLAGS $1"
 104         AC_MSG_CHECKING([[whether $CC supports $1]])
 105         AC_COMPILE_IFELSE(
 106                 [AC_LANG_PROGRAM([[]])],
 107                 [
 108                         AC_MSG_RESULT([yes])
 109                         m4_if([$3], [], [], [
 110                                 CFLAGS="$ac_c_flag_save"
 111                                 $3
 112                         ])
 113                 ], [
 114                         CFLAGS="$ac_c_flag_save"
 115                         AC_MSG_RESULT([no])
 116                         $2
 117                 ])
 118         AC_LANG_POP(C)
 119         }])
 120
 121 dnl ICC won't bail on unknown options without -diag-error 10006
 122 dnl need to do this first so we get useful results for the other options
 123 AC_C_FLAG([-diag-error 10006])
 124
 125 dnl if the user specified any CFLAGS, we don't add "-g -Os/-O2" here
 126 if test "z$orig_cflags" = "z"; then
 127   AC_C_FLAG([-g])
 128   AC_C_FLAG([-Os], [
 129     AC_C_FLAG([-O2])
 130   ])
 131 fi
 132
 133 dnl always want these CFLAGS
 134 AC_C_FLAG([-fno-omit-frame-pointer])
 135 AC_C_FLAG([-Wall])
 136 AC_C_FLAG([-Wextra])
 137 AC_C_FLAG([-Wmissing-prototypes])
 138 AC_C_FLAG([-Wmissing-declarations])
 139 AC_C_FLAG([-Wpointer-arith])
 140 AC_C_FLAG([-Wbad-function-cast])
 141 AC_C_FLAG([-Wwrite-strings])
 142 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
 143   AC_C_FLAG([-Wcast-qual])
 144   AC_C_FLAG([-Wstrict-prototypes])
 145   AC_C_FLAG([-Wmissing-noreturn])
 146   AC_C_FLAG([-Wmissing-format-attribute])
 147   AC_C_FLAG([-Wunreachable-code])
 148   AC_C_FLAG([-Wpacked])
 149   AC_C_FLAG([-Wpadded])
 150 else
 151   AC_C_FLAG([-Wno-unused-result])
 152 fi
 153 AC_C_FLAG([-Wno-unused-parameter])
 154 AC_C_FLAG([-Wno-missing-field-initializers])
 155
 156 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
 157 dnl for some reason the string consts get 'promoted' to char *,
 158 dnl triggering a const to non-const conversion warning.
 159 AC_C_FLAG([-diag-disable 3179])
 160
 161 if test x"${enable_werror}" = x"yes" ; then
 162   WERROR="-Werror"
 163 fi
 164 AC_SUBST(WERROR)
 165
 166 dnl need link on this one, not compile
 167 AC_LANG_PUSH(C)
 168 ac_ld_flag_save="$LDFLAGS"
 169 LDFLAGS="$LDFLAGS -rdynamic"
 170 AC_MSG_CHECKING([[whether linker supports -rdynamic]])
 171 AC_LINK_IFELSE(
 172         [AC_LANG_PROGRAM([[]])],
 173         [AC_MSG_RESULT([yes])],
 174         [
 175                 LDFLAGS="$ac_ld_flag_save"
 176                 AC_MSG_RESULT([no])
 177         ])
 178 AC_LANG_POP(C)
 179
 180 dnl --------------
 181 dnl Check programs
 182 dnl --------------
 183 AC_PROG_INSTALL
 184 AC_PROG_LN_S
 185 AC_PROG_MAKE_SET
 186 AC_CHECK_TOOL(AR, ar)
 187
 188 dnl -----------------
 189 dnl System extensions
 190 dnl -----------------
 191 AC_GNU_SOURCE
 192
 193 dnl -------
 194 dnl libtool
 195 dnl -------
 196 LT_INIT
 197
 198 dnl ----------------------
 199 dnl Packages configuration
 200 dnl ----------------------
 201 AC_ARG_WITH(pkg-extra-version,
 202         AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
 203         [EXTRAVERSION=$withval],)
 204 AC_ARG_WITH(pkg-git-version,
 205         AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
 206         [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
 207 AC_ARG_ENABLE(vtysh,
 208   AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for Quagga]))
 209 AC_ARG_ENABLE(doc,
 210   AS_HELP_STRING([--disable-doc], [do not build docs]))
 211 AC_ARG_ENABLE(zebra,
 212   AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
 213 AC_ARG_ENABLE(bgpd,
 214   AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
 215 AC_ARG_ENABLE(ripd,
 216   AS_HELP_STRING([--disable-ripd], [do not build ripd]))
 217 AC_ARG_ENABLE(ripngd,
 218   AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
 219 AC_ARG_ENABLE(ospfd,
 220   AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
 221 AC_ARG_ENABLE(ospf6d,
 222   AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
 223 AC_ARG_ENABLE(ldpd,
 224   AS_HELP_STRING([--enable-ldpd], [build ldpd]))
 225 AC_ARG_ENABLE(nhrpd,
 226   AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
 227 AC_ARG_ENABLE(watchfrr,
 228   AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
 229 AC_ARG_ENABLE(isisd,
 230   AS_HELP_STRING([--disable-isisd], [do not build isisd]))
 231 AC_ARG_ENABLE(pimd,
 232   AS_HELP_STRING([--disable-pimd], [do not build pimd]))
 233 AC_ARG_ENABLE(bgp-announce,
 234   AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
 235 AC_ARG_ENABLE(bgp-vnc,
 236   AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
 237 AC_ARG_WITH(rfp-path,
 238   AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
 239 AC_ARG_ENABLE(snmp,
 240   AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
 241 AC_ARG_WITH(libpam,
 242   AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
 243 AC_ARG_ENABLE(tcp-zebra,
 244   AS_HELP_STRING([--enable-tcp-zebra], [enable TCP/IP socket connection between zebra and protocol daemon]))
 245 AC_ARG_ENABLE(ospfapi,
 246   AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
 247 AC_ARG_ENABLE(ospfclient,
 248   AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
 249                           (this is the default if --disable-ospfapi is set)]))
 250 AC_ARG_ENABLE(multipath,
 251   AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
 252 AC_ARG_ENABLE(user,
 253   AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
 254 AC_ARG_ENABLE(group,
 255   AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
 256 AC_ARG_ENABLE(vty_group,
 257   AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
 258 AC_ARG_ENABLE(configfile_mask,
 259   AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
 260 AC_ARG_ENABLE(logfile_mask,
 261   AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
 262 AC_ARG_ENABLE(shell_access,
 263   AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
 264 AC_ARG_ENABLE(rtadv,
 265   AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
 266 AC_ARG_ENABLE(irdp,
 267   AS_HELP_STRING([--enable-irdp], [enable IRDP server support in zebra]))
 268 AC_ARG_ENABLE(capabilities,
 269   AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
 270 AC_ARG_ENABLE(rusage,
 271   AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
 272 AC_ARG_ENABLE(gcc_ultra_verbose,
 273   AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
 274 AC_ARG_ENABLE(linux24_tcp_md5,
 275   AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
 276 AC_ARG_ENABLE(backtrace,
 277   AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
 278 AC_ARG_ENABLE(time-check,
 279   AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
 280 AC_ARG_ENABLE(pcreposix,
 281   AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
 282 AC_ARG_ENABLE(fpm,
 283   AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
 284 AC_ARG_ENABLE(systemd,
 285   AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
 286 AC_ARG_ENABLE(poll,
 287   AS_HELP_STRING([--enable-poll], [enable usage of Poll instead of select]))
 288 AC_ARG_ENABLE(werror,
 289   AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
 290 AC_ARG_ENABLE(cumulus,
 291   AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
 292 AC_ARG_ENABLE(rr-semantics,
 293   AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
 294 AC_ARG_ENABLE([protobuf],
 295   AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
 296 AC_ARG_ENABLE([oldvpn_commands],
 297   AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
 298
 299 AC_CHECK_HEADERS(json-c/json.h)
 300 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c")
 301 if test $ac_cv_lib_json_c_json_object_get = no; then
 302   AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
 303   if test $ac_cv_lib_json_json_object_get = no; then
 304       AC_MSG_ERROR([lib json is needed to compile])
 305   fi
 306 fi
 307
 308 AC_ARG_ENABLE([dev_build],
 309     AS_HELP_STRING([--enable-dev-build], [build for development]))
 310
 311 if test x"${enable_time_check}" != x"no" ; then
 312   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
 313     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
 314   else
 315     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
 316   fi
 317 fi
 318
 319 case "${enable_systemd}" in
 320   "no") ;;
 321   "yes")
 322   AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
 323   if test $ac_cv_lib_systemd_sd_notify = no; then
 324     AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
 325   else
 326     AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
 327   fi
 328   ;;
 329   "*") ;;
 330 esac
 331
 332 if test "${enable_rr_semantics}" != "no" ; then
 333   AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
 334 fi
 335
 336 if test "${enable_poll}" = "yes" ; then
 337   AC_DEFINE(HAVE_POLL_CALL,,Compile systemd support in)
 338 fi
 339
 340 dnl ----------
 341 dnl MPLS check
 342 dnl ----------
 343 AC_MSG_CHECKING(whether this OS has MPLS stack)
 344 case "$host" in
 345   *-linux*)
 346       MPLS_METHOD="zebra_mpls_netlink.o"
 347       AC_MSG_RESULT(Linux MPLS)
 348   ;;
 349   *-openbsd*)
 350       MPLS_METHOD="zebra_mpls_openbsd.o"
 351       AC_MSG_RESULT(OpenBSD MPLS)
 352   ;;
 353   *)
 354       MPLS_METHOD="zebra_mpls_null.o"
 355       AC_MSG_RESULT(Unsupported kernel)
 356   ;;
 357 esac
 358 AC_SUBST(MPLS_METHOD)
 359
 360 if test "${enable_cumulus}" = "yes" ; then
 361   AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
 362   DFLT_NAME="datacenter"
 363 else
 364   DFLT_NAME="traditional"
 365 fi
 366 AC_SUBST(DFLT_NAME)
 367 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
 368
 369 if test "${enable_shell_access}" = "yes"; then
 370    AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
 371 fi
 372
 373 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
 374
 375 if test "x${enable_dev_build}" = "xyes"; then
 376    AC_DEFINE(DEV_BUILD,,Build for development)
 377 fi
 378 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
 379
 380 #
 381 # Logic for protobuf support.
 382 #
 383 if test "$enable_protobuf" = "yes"; then
 384    have_protobuf=yes
 385
 386    # Check for protoc-c
 387    AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
 388    if test "x$PROTOC_C" = "x/bin/false"; then
 389       have_protobuf=no
 390    else
 391       found_protobuf_c=no
 392       PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
 393                      [found_protobuf_c=yes],
 394                      [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
 395
 396       if test "x$found_protobuf_c" = "xyes"; then
 397          LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
 398          CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
 399       else
 400         AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
 401                         [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
 402       fi
 403    fi
 404 fi
 405
 406 #
 407 # Logic for old vpn commans support.
 408 #
 409 if test "$enable_oldvpn_commands" = "yes"; then
 410    AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
 411 fi
 412
 413 # Fail if the user explicity enabled protobuf support and we couldn't
 414 # find the compiler or libraries.
 415 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
 416    AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
 417 fi
 418
 419 if test "x$have_protobuf" = "xyes"; then
 420    AC_DEFINE(HAVE_PROTOBUF,, protobuf)
 421 fi
 422
 423 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
 424
 425 #
 426 # End of logic for protobuf support.
 427 #
 428
 429 if test "${enable_tcp_zebra}" = "yes"; then
 430   AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
 431 fi
 432
 433 if test "${enable_linux24_tcp_md5}" = "yes"; then
 434   AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
 435 fi
 436
 437 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
 438 if test "${enable_rtadv}" != "no"; then
 439   AC_MSG_RESULT(yes)
 440   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
 441 else
 442   AC_MSG_RESULT(no)
 443 fi
 444
 445 if test "${enable_irdp}" = "yes"; then
 446   AC_DEFINE(HAVE_IRDP,, IRDP )
 447 fi
 448
 449 if test x"${enable_user}" = x"no"; then
 450   enable_user=""
 451 else
 452   if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
 453     enable_user="frr"
 454   fi
 455   AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
 456 fi
 457
 458 if test x"${enable_group}" = x"no"; then
 459   enable_group=""
 460 else
 461   if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
 462     enable_group="frr"
 463   fi
 464   AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
 465 fi
 466
 467 if test x"${enable_vty_group}" = x"yes" ; then
 468   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 469 elif test x"${enable_vty_group}" != x""; then
 470   if test x"${enable_vty_group}" != x"no"; then
 471     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 472   fi
 473 fi
 474 AC_SUBST([enable_user])
 475 AC_SUBST([enable_group])
 476 AC_SUBST([enable_vty_group])
 477
 478 enable_configfile_mask=${enable_configfile_mask:-0600}
 479 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
 480
 481 enable_logfile_mask=${enable_logfile_mask:-0600}
 482 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
 483
 484 MPATH_NUM=1
 485
 486 case "${enable_multipath}" in
 487   0)
 488     MPATH_NUM=64
 489     ;;
 490   [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
 491     MPATH_NUM="${enable_multipath}"
 492     ;;
 493   "")
 494     ;;
 495   *)
 496     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
 497     ;;
 498 esac
 499
 500 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
 501
 502 dnl -----------------------------------
 503 dnl Add extra version string to package
 504 dnl name, string and version fields.
 505 dnl -----------------------------------
 506 if test "x${EXTRAVERSION}" != "x" ; then
 507   VERSION="${VERSION}${EXTRAVERSION}"
 508   PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
 509   AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
 510   PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
 511 fi
 512
 513 if test "x$with_pkg_git_version" = "xyes"; then
 514         if test -d "${srcdir}/.git"; then
 515                 AC_DEFINE(GIT_VERSION, [1], [include git version info])
 516         else    with_pkg_git_version="no"
 517                 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
 518         fi
 519 fi
 520 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
 521
 522 dnl ------------------------------------
 523 dnl Check C keywords and standard  types
 524 dnl ------------------------------------
 525 AC_C_CONST
 526 AC_C_INLINE
 527 AC_C_VOLATILE
 528 AC_HEADER_STDC
 529 dnl AC_TYPE_PID_T
 530 AC_TYPE_UID_T
 531 AC_TYPE_MODE_T
 532 AC_TYPE_SIZE_T
 533 AC_STRUCT_TM
 534
 535 dnl -------------------------
 536 dnl Check other header files.
 537 dnl -------------------------
 538 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
 539         linux/version.h asm/types.h \
 540         sys/cdefs.h])
 541
 542 dnl Utility macro to avoid retyping includes all the time
 543 m4_define([FRR_INCLUDES],
 544 [#ifdef SUNOS_5
 545 #define _XPG4_2
 546 #define __EXTENSIONS__
 547 #endif
 548 #include <stdio.h>
 549 #include <stdlib.h>
 550 #include <stddef.h>
 551 #include <sys/types.h>
 552 /* sys/conf.h depends on param.h on FBSD at least */
 553 #include <sys/param.h>
 554 /* Required for MAXSIG */
 555 #include <signal.h>
 556 #include <sys/socket.h>
 557 #ifdef __APPLE__
 558 # define __APPLE_USE_RFC_3542
 559 #endif
 560 #include <netinet/in.h>
 561 #include <sys/time.h>
 562 #include <time.h>
 563 #include <net/if.h>
 564 ])dnl
 565
 566 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
 567 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
 568 dnl an additional round for it.
 569
 570 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
 571
 572 m4_define([FRR_INCLUDES],
 573 FRR_INCLUDES
 574 [#if HAVE_NET_IF_VAR_H
 575 # include <net/if_var.h>
 576 #endif
 577 ])dnl
 578
 579 AC_CHECK_HEADERS([netinet/in_var.h \
 580         net/if_dl.h net/netopt.h \
 581         inet/nd.h netinet/ip_icmp.h \
 582         sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
 583         [], [], FRR_INCLUDES)
 584
 585 AC_CHECK_HEADERS([ucontext.h], [], [],
 586 [#ifndef __USE_GNU
 587 #define __USE_GNU
 588 #endif /* __USE_GNU */
 589 FRR_INCLUDES
 590 ])
 591
 592 m4_define([UCONTEXT_INCLUDES],
 593 [#include <ucontext.h>])dnl
 594
 595 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
 596   [], [], [UCONTEXT_INCLUDES])
 597 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
 598   [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
 599    [], [], [UCONTEXT_INCLUDES])],
 600   [], [UCONTEXT_INCLUDES])
 601 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
 602   [], [], [UCONTEXT_INCLUDES])
 603
 604 m4_define([FRR_INCLUDES],
 605 FRR_INCLUDES
 606 [
 607 #include <sys/un.h>
 608 #include <netinet/in_systm.h>
 609 #if HAVE_NETINET_IN_VAR_H
 610 # include <netinet/in_var.h>
 611 #endif
 612 #if HAVE_NET_IF_DL_H
 613 # include <net/if_dl.h>
 614 #endif
 615 #if HAVE_NET_NETOPT_H
 616 # include <net/netopt.h>
 617 #endif
 618 #include <net/route.h>
 619 #if HAVE_INET_ND_H
 620 # include <inet/nd.h>
 621 #endif
 622 #include <arpa/inet.h>
 623 /* Required for IDRP */
 624 #if HAVE_NETINET_IP_ICMP_H
 625 # include <netinet/ip_icmp.h>
 626 #endif
 627 ])dnl
 628
 629 dnl V6 headers are checked below, after we check for v6
 630
 631 dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
 632 case "$host" in
 633   [*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
 634       opsys=sol2-6
 635       AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
 636       AC_DEFINE(SUNOS_5, 1, SunOS 5)
 637       AC_CHECK_LIB(xnet, main)
 638       CURSES=-lcurses
 639       SOLARIS="solaris"
 640   ;;
 641   [*-sunos5.[8-9]] \
 642   | [*-sunos5.1[0-9]] \
 643   | [*-sunos5.1[0-9].[0-9]] \
 644   | [*-solaris2.[8-9]] \
 645   | [*-solaris2.1[0-9]] \
 646   | [*-solaris2.1[0-9].[0-9]])
 647       opsys=sol8
 648       AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
 649       AC_DEFINE(SUNOS_5, 1, [SunOS 5])
 650       AC_CHECK_LIB(socket, main)
 651       AC_CHECK_LIB(nsl, main)
 652       AC_CHECK_LIB(umem, main)
 653       AC_CHECK_FUNCS([printstack],
 654         [AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
 655          AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
 656         ])
 657       CURSES=-lcurses
 658       SOLARIS="solaris"
 659   ;;
 660   *-sunos5* | *-solaris2*)
 661       AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
 662       AC_CHECK_LIB(socket, main)
 663       AC_CHECK_LIB(nsl, main)
 664       CURSES=-lcurses
 665       SOLARIS="solaris"
 666   ;;
 667   *-linux*)
 668       opsys=gnu-linux
 669       AC_DEFINE(GNU_LINUX,,GNU Linux)
 670   ;;
 671   *-openbsd*)
 672       opsys=openbsd
 673       AC_DEFINE(OPEN_BSD,,OpenBSD)
 674   ;;
 675 esac
 676
 677 AC_SYS_LARGEFILE
 678
 679 dnl ---------------------
 680 dnl Integrated VTY option
 681 dnl ---------------------
 682 case "${enable_vtysh}" in
 683   "no") VTYSH="";;
 684   *)    VTYSH="vtysh";
 685          AC_DEFINE(VTYSH,,VTY shell)
 686 dnl      Vtysh uses libreadline, which looks for termcap functions at
 687 dnl      configure time.  We follow readlines search order.
 688 dnl      The required procedures are in libtermcap on NetBSD, in
 689 dnl      [TODO] on Linux, and in [TODO] on Solaris.
 690          AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
 691            [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
 692              [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
 693                [AC_CHECK_LIB(ncurses, tputs,
 694                              LIBREADLINE="$LIBREADLINE -lncurses")]
 695               )]
 696             )]
 697           )
 698          AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
 699                       "$LIBREADLINE")
 700          if test $ac_cv_lib_readline_main = no; then
 701            AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
 702          fi
 703          AC_CHECK_HEADER(readline/history.h)
 704          if test $ac_cv_header_readline_history_h = no;then
 705            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
 706          fi
 707          AC_CHECK_LIB(readline, rl_completion_matches,
 708                       LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
 709          if test $ac_cv_lib_readline_rl_completion_matches = no; then
 710            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
 711          fi
 712          ;;
 713 esac
 714 AC_SUBST(LIBREADLINE)
 715 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
 716
 717 dnl ----------
 718 dnl PAM module
 719 dnl
 720 dnl Quagga detects the PAM library it is built against by checking for a
 721 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
 722 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
 723 dnl openpam.h doesn't do that, although depends on the header too. Hence a
 724 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
 725 dnl of OpenPAM.
 726 dnl ----------
 727 if test "$with_libpam" = "yes"; then
 728   AC_CHECK_HEADER([security/pam_misc.h],
 729     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
 730      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
 731      pam_conv_func="misc_conv"
 732     ],
 733     [], FRR_INCLUDES)
 734   AC_CHECK_HEADER([security/openpam.h],
 735     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
 736      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
 737      pam_conv_func="openpam_ttyconv"
 738     ],
 739     [], FRR_INCLUDES[#include <security/pam_appl.h>])
 740   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
 741     AC_MSG_WARN([*** pam support will not be built ***])
 742     with_libpam="no"
 743   fi
 744 fi
 745
 746 if test "$with_libpam" = "yes"; then
 747 dnl took this test from proftpds configure.in and suited to our needs
 748 dnl -------------------------------------------------------------------------
 749 dnl
 750 dnl This next check looks funky due to a linker problem with some versions
 751 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
 752 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
 753 dnl with RedHat 6.2 and Debian 2.2 or better.
 754 AC_CHECK_LIB(pam, pam_start,
 755   [AC_CHECK_LIB(pam, $pam_conv_func,
 756     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 757      LIBPAM="-lpam"],
 758     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 759      LIBPAM="-lpam -lpam_misc"]
 760     )
 761   ],
 762
 763   [AC_CHECK_LIB(pam, pam_end,
 764     [AC_CHECK_LIB(pam, $pam_conv_func,
 765       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 766        LIBPAM="-lpam -ldl"],
 767       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 768        LIBPAM="-lpam -ldl -lpam_misc"]
 769      )
 770   ],AC_MSG_WARN([*** pam support will not be built ***]),
 771   [-ldl])
 772   ]
 773 )
 774 fi
 775 AC_SUBST(LIBPAM)
 776
 777 dnl -------------------------------
 778 dnl Endian-ness check
 779 dnl -------------------------------
 780 AC_WORDS_BIGENDIAN
 781
 782 dnl -------------------------------
 783 dnl check the size in byte of the C
 784 dnl -------------------------------
 785 dnl AC_CHECK_SIZEOF(char)
 786 dnl AC_CHECK_SIZEOF(int)
 787 dnl AC_CHECK_SIZEOF(short)
 788 dnl AC_CHECK_SIZEOF(long)
 789
 790 dnl ----------------------------
 791 dnl check existance of functions
 792 dnl ----------------------------
 793 AC_FUNC_FNMATCH
 794 AC_FUNC_FORK
 795 AC_FUNC_MKTIME
 796 AC_FUNC_STAT
 797
 798 dnl -------------------------------
 799 dnl bgpd needs pow() and hence libm
 800 dnl -------------------------------
 801 TMPLIBS="$LIBS"
 802 AC_CHECK_HEADER([math.h],
 803   [AC_CHECK_LIB([m], [pow],
 804     [LIBM="-lm"
 805      LIBS="$LIBS $LIBM"
 806      AC_CHECK_FUNCS(pow,[],[LIBM=""])
 807     ])
 808 ])
 809 if test x"$LIBM" = x ; then
 810   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
 811 fi
 812 LIBS="$TMPLIBS"
 813 AC_SUBST(LIBM)
 814
 815 dnl ---------------
 816 dnl other functions
 817 dnl ---------------
 818 AC_CHECK_FUNCS([ \
 819         strlcat strlcpy \
 820         getgrouplist])
 821
 822 AC_CHECK_HEADER([asm-generic/unistd.h],
 823                 [AC_CHECK_DECL(__NR_setns,
 824                                AC_DEFINE(HAVE_NETNS,, Have netns),,
 825                                FRR_INCLUDES [#include <asm-generic/unistd.h>
 826                                ])
 827                  AC_CHECK_FUNCS(setns)]
 828                )
 829
 830 dnl ------------------------------------
 831 dnl Determine routing get and set method
 832 dnl ------------------------------------
 833 AC_MSG_CHECKING(zebra between kernel interface method)
 834 if test x"$opsys" = x"gnu-linux"; then
 835   AC_MSG_RESULT(netlink)
 836   RT_METHOD=rt_netlink.o
 837   KERNEL_METHOD=kernel_netlink.o
 838   AC_DEFINE(HAVE_NETLINK,,netlink)
 839   netlink=yes
 840   AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
 841 else
 842   AC_MSG_RESULT(Route socket)
 843   KERNEL_METHOD="kernel_socket.o"
 844   RT_METHOD="rt_socket.o"
 845 fi
 846 AC_SUBST(RT_METHOD)
 847 AC_SUBST(KERNEL_METHOD)
 848 AM_CONDITIONAL([HAVE_NETLINK], [test "x$netlink" = "xyes"])
 849
 850 dnl --------------------------
 851 dnl Determine IS-IS I/O method
 852 dnl --------------------------
 853 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
 854 AC_DEFINE(ISIS_METHOD_DLPI,     2, [ constant value for isis method dlpi ])
 855 AC_DEFINE(ISIS_METHOD_BPF,      3, [ constant value for isis method bpf ])
 856 AC_CHECK_HEADER(net/bpf.h)
 857 AC_CHECK_HEADER(sys/dlpi.h)
 858 AC_MSG_CHECKING(zebra IS-IS I/O method)
 859 if test x"$opsys" = x"gnu-linux"; then
 860   AC_MSG_RESULT(pfpacket)
 861   ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
 862 elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
 863   AC_MSG_RESULT(DLPI)
 864   ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 865 else
 866   if test $ac_cv_header_net_bpf_h = no; then
 867     if test $ac_cv_header_sys_dlpi_h = no; then
 868       AC_MSG_RESULT(none)
 869       AC_MSG_WARN([*** IS-IS support will not be built ***])
 870       ISISD=""
 871     else
 872       AC_MSG_RESULT(DLPI)
 873     fi
 874     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 875   else
 876     AC_MSG_RESULT(BPF)
 877     ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
 878   fi
 879 fi
 880 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
 881
 882 dnl ------------------------------------
 883 dnl check for broken CMSG_FIRSTHDR macro
 884 dnl ------------------------------------
 885 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
 886 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 887 #ifdef SUNOS_5
 888 #define _XPG4_2
 889 #define __EXTENSIONS__
 890 #endif
 891 #include <stdlib.h>
 892 #include <sys/types.h>
 893 #include <sys/socket.h>
 894
 895 main()
 896 {
 897   struct msghdr msg;
 898   char buf[4];
 899
 900   msg.msg_control = buf;
 901   msg.msg_controllen = 0;
 902
 903   if (CMSG_FIRSTHDR(&msg) != NULL)
 904     exit(0);
 905   exit (1);
 906 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
 907 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
 908
 909 dnl ------------------------------
 910 dnl check kernel route read method
 911 dnl ------------------------------
 912 AC_CACHE_CHECK([route read method], [frr_cv_rtread_method],
 913 [if test "x$netlink" = xyes; then
 914   frr_cv_rtread_method="netlink"
 915 else
 916 for frr_cv_rtread_method in /dev/ip /dev/null;
 917 do
 918   test x`ls $frr_cv_rtread_method 2>/dev/null` = x"$frr_cv_rtread_method" && break
 919 done
 920 case $frr_cv_rtread_method in
 921   "/dev/ip")
 922                      case "$host" in
 923                        *-freebsd*)    frr_cv_rtread_method="sysctl";;
 924                        *)             frr_cv_rtread_method="getmsg";;
 925                      esac;;
 926         *)
 927                      frr_cv_rtread_method="sysctl";;
 928 esac
 929 fi])
 930 RTREAD_METHOD=rtread_${frr_cv_rtread_method}.o
 931 AC_SUBST(RTREAD_METHOD)
 932
 933 dnl -----------------------------
 934 dnl check interface lookup method
 935 dnl -----------------------------
 936 IOCTL_METHOD=ioctl.o
 937 AC_MSG_CHECKING(interface looking up method)
 938 if test "$netlink" = yes; then
 939   AC_MSG_RESULT(netlink)
 940   IF_METHOD=if_netlink.o
 941 elif test "$opsys" = "sol2-6";then
 942   AC_MSG_RESULT(Solaris GIF)
 943   IF_METHOD=if_ioctl.o
 944 elif test "$opsys" = "sol8";then
 945   AC_MSG_RESULT(Solaris GLIF)
 946   IF_METHOD=if_ioctl_solaris.o
 947   IOCTL_METHOD=ioctl_solaris.o
 948 elif test "$opsys" = "openbsd";then
 949   AC_MSG_RESULT(openbsd)
 950   IF_METHOD=if_ioctl.o
 951 elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
 952   AC_MSG_RESULT(sysctl)
 953     IF_METHOD=if_sysctl.o
 954     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
 955 else
 956     AC_MSG_RESULT(ioctl)
 957     IF_METHOD=if_ioctl.o
 958 fi
 959 AC_SUBST(IF_METHOD)
 960 AC_SUBST(IOCTL_METHOD)
 961
 962 dnl ---------------------------------------------------------------
 963 dnl figure out how to specify an interface in multicast sockets API
 964 dnl ---------------------------------------------------------------
 965 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
 966
 967 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
 968         #include <sys/socket.h>
 969         #include <netinet/in.h>
 970         #define _LINUX_IN_H             /* For Linux <= 2.6.25 */
 971         #include <linux/types.h>
 972 ])
 973
 974 m4_define([FRR_INCLUDES],
 975 FRR_INCLUDES
 976 [#if HAVE_LINUX_MROUTE_H
 977 # include <linux/mroute.h>
 978 #endif
 979 ])dnl
 980
 981 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
 982         #include <sys/socket.h>
 983         #include <sys/types.h>
 984         #include <netinet/in.h>
 985         #include <net/route.h>
 986 ])
 987
 988 m4_define([FRR_INCLUDES],
 989 FRR_INCLUDES
 990 [#if HAVE_NETINET_IP_MROUTE_H
 991 # include <netinet/ip_mroute.h>
 992 #endif
 993 ])dnl
 994
 995 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
 996 AC_TRY_COMPILE([#include <sys/param.h>],
 997 [#if (defined(__FreeBSD__) && ((__FreeBSD_version >= 500022 && __FreeBSD_version < 700000) || (__FreeBSD_version < 500000 && __FreeBSD_version >= 440000))) || (defined(__NetBSD__) && defined(__NetBSD_Version__) && __NetBSD_Version__ >= 106010000) || defined(__OpenBSD__) || defined(__APPLE__) || defined(__DragonFly__) || defined(__sun)
 998   return (0);
 999 #else
1000   #error No support for BSD struct ip_mreq hack detected
1001 #endif],[AC_MSG_RESULT(yes)
1002 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1003 AC_MSG_RESULT(no))
1004
1005 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1006 AC_TRY_COMPILE([
1007 #include <sys/types.h>
1008 #include <netinet/in.h>
1009 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1010 ], [AC_MSG_RESULT(yes)
1011 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1012 AC_MSG_RESULT(no))
1013
1014 dnl ---------------------------------------------------------------
1015 dnl figure out how to check link-state
1016 dnl ---------------------------------------------------------------
1017 AC_CHECK_HEADER( [net/if_media.h],
1018   [m4_define([LINK_DETECT_INCLUDES],
1019     FRR_INCLUDES
1020     [#include <net/if_media.h>
1021   ])
1022   AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1023     AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1024     [], LINK_DETECT_INCLUDES)],
1025   [],
1026   FRR_INCLUDES)
1027
1028 dnl ---------------------------------------------------------------
1029 dnl Additional, newer way to check link-state using ifi_link_state.
1030 dnl Not available in all BSD's when ifmediareq available
1031 dnl ---------------------------------------------------------------
1032 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1033   AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1034   [], FRR_INCLUDES)
1035
1036 dnl ------------------------
1037 dnl TCP_MD5SIG socket option
1038 dnl ------------------------
1039
1040 AC_CHECK_HEADER([netinet/tcp.h],
1041    [m4_define([MD5_INCLUDES],
1042       FRR_INCLUDES
1043       [#include <netinet/tcp.h>
1044     ])
1045     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1046    [],
1047    FRR_INCLUDES)
1048 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1049   AC_CHECK_HEADER([linux/tcp.h],
1050        [m4_define([MD5_INCLUDES],
1051           FRR_INCLUDES
1052           [#include <linux/tcp.h>
1053         ])
1054        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1055 fi
1056
1057 dnl -----------------------------
1058 dnl check ipforward detect method
1059 dnl -----------------------------
1060 AC_CACHE_CHECK([ipforward method], [frr_cv_ipforward_method],
1061 [if test x$cross_compiling = xyes; then
1062   if test x"$opsys" = x"gnu-linux"; then
1063     frr_cv_ipforward_method=/proc/net/snmp
1064   else
1065     frr_cv_ipforward_method=/dev/ip
1066   fi
1067 else
1068   for frr_cv_ipforward_method in /proc/net/snmp /dev/ip /dev/null;
1069   do
1070     test x`ls $frr_cv_ipforward_method 2>/dev/null` = x"$frr_cv_ipforward_method" && break
1071   done
1072 fi
1073 case $frr_cv_ipforward_method in
1074   "/proc/net/snmp")  frr_cv_ipforward_method="proc";;
1075   "/dev/ip")
1076                      case "$host" in
1077                        *-freebsd*)    frr_cv_ipforward_method="sysctl";;
1078                        *)             frr_cv_ipforward_method="solaris";;
1079                      esac;;
1080   *)                 frr_cv_ipforward_method="sysctl";;
1081 esac])
1082 IPFORWARD=ipforward_${frr_cv_ipforward_method}.o
1083 AC_SUBST(IPFORWARD)
1084
1085 dnl ----------------------------------------------------------------------------
1086 dnl figure out if domainname is available in the utsname struct (GNU extension).
1087 dnl ----------------------------------------------------------------------------
1088 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1089
1090 dnl ----------
1091 dnl IPv6 check
1092 dnl ----------
1093 AC_MSG_CHECKING(whether does this OS have IPv6 stack)
1094 dnl ---------
1095 dnl KAME IPv6
1096 dnl ---------
1097   if grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
1098     AC_DEFINE(KAME,1,KAME IPv6)
1099     AC_MSG_RESULT(KAME)
1100 dnl ------------------------------------
1101 dnl Solaris 9, 10 and potentially higher
1102 dnl ------------------------------------
1103   elif test x"$opsys" = x"sol8"; then
1104     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
1105     AC_MSG_RESULT(Solaris IPv6)
1106 dnl ----------
1107 dnl Linux IPv6
1108 dnl ----------
1109   elif test x"$opsys" = x"gnu-linux"; then
1110     AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
1111     dnl Linux has a compilation problem with mixing
1112     dnl netinet/in.h and linux/in6.h they are not
1113     dnl compatible.  There has been discussion on
1114     dnl how to fix it but no real progress on implementation
1115     dnl when they fix it, remove this
1116     AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
1117     AC_MSG_RESULT(Linux IPv6)
1118   else
1119     AC_MSG_ERROR([Failed to detect IPv6 stack])
1120   fi
1121
1122 dnl ------------------
1123 dnl IPv6 header checks
1124 dnl ------------------
1125 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1126         netinet6/in6_var.h netinet6/nd6.h], [], [],
1127         FRR_INCLUDES)
1128
1129 m4_define([FRR_INCLUDES],dnl
1130 FRR_INCLUDES
1131 [#if HAVE_NETINET6_IN6_H
1132 #include <netinet6/in6.h>
1133 #endif
1134 #if HAVE_NETINET_IN6_VAR_H
1135 #include <netinet/in6_var.h>
1136 #endif
1137 #include <netinet/icmp6.h>
1138 #if HAVE_NETINET6_IN6_VAR_H
1139 # include <netinet6/in6_var.h>
1140 #endif
1141 #if HAVE_NETINET6_ND6_H
1142 # include <netinet6/nd6.h>
1143 #endif
1144 ])dnl
1145
1146 dnl disable doc check
1147 if test "${enable_doc}" = "no";then
1148   DOC=""
1149 else
1150   DOC="doc"
1151 fi
1152
1153 dnl --------------------
1154 dnl Daemon disable check
1155 dnl --------------------
1156 if test "${enable_zebra}" = "no";then
1157   ZEBRA=""
1158 else
1159   ZEBRA="zebra"
1160 fi
1161 AM_CONDITIONAL(ZEBRA, test "x$ZEBRA" = "xzebra")
1162
1163 if test "${enable_bgpd}" = "no";then
1164   BGPD=""
1165 else
1166   BGPD="bgpd"
1167 fi
1168 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1169
1170 if test "${enable_ripd}" = "no";then
1171   RIPD=""
1172 else
1173   RIPD="ripd"
1174 fi
1175 AM_CONDITIONAL(RIPD, test "x$RIPD" = "xripd")
1176
1177 if test "${enable_ospfd}" = "no";then
1178   OSPFD=""
1179 else
1180   OSPFD="ospfd"
1181 fi
1182 AM_CONDITIONAL(OSPFD, test "x$OSPFD" = "xospfd")
1183
1184 if test "${enable_ldpd}" = "no";then
1185   LDPD=""
1186 else
1187   AX_PROG_PERL_MODULES(XML::LibXML, , [
1188     if test -f "${srcdir}/ldpd/ldp_vty_cmds.c"; then
1189       AC_MSG_WARN([XML::LibXML perl module not found, using pregenerated ldp_vty_cmds.c])
1190     else
1191       AC_MSG_ERROR([XML::LibXML perl module not found and pregenerated ldp_vty_cmds.c missing])
1192     fi
1193   ])
1194
1195   LDPD="ldpd"
1196   AC_DEFINE(HAVE_LDPD, 1, ldpd)
1197 fi
1198 AM_CONDITIONAL(LDPD, test "x$LDPD" = "xldpd")
1199
1200 NHRPD=""
1201 if test "$opsys" = "gnu-linux"; then
1202   if test "${enable_nhrpd}" != "no"; then
1203     NHRPD="nhrpd"
1204   fi
1205 else
1206   if test "${enable_nhrpd}" = "yes"; then
1207     AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1208   fi
1209 fi
1210 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1211
1212 if test "${enable_watchfrr}" = "no";then
1213   WATCHFRR=""
1214 else
1215   WATCHFRR="watchfrr"
1216 fi
1217 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1218
1219 OSPFCLIENT=""
1220 if test "${enable_ospfapi}" != "no";then
1221     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1222
1223   if test "${enable_ospfclient}" != "no";then
1224       OSPFCLIENT="ospfclient"
1225   fi
1226 fi
1227
1228 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1229
1230 case "${enable_ripngd}" in
1231   "no" ) RIPNGD="";;
1232   *    ) RIPNGD="ripngd";;
1233 esac
1234 AM_CONDITIONAL(RIPNGD, test "x$RIPNGD" = "xripngd")
1235
1236 case "${enable_ospf6d}" in
1237   "no" ) OSPF6D="";;
1238   *    ) OSPF6D="ospf6d";;
1239 esac
1240 AM_CONDITIONAL(OSPF6D, test "x$OSPF6D" = "xospf6d")
1241
1242 case "${enable_isisd}" in
1243   "no" ) ISISD="";;
1244   *    ) ISISD="isisd";;
1245 esac
1246 AM_CONDITIONAL(ISISD, test "x$ISISD" = "xisisd")
1247
1248 case "${enable_pimd}" in
1249   "no" ) PIMD="";;
1250   *    ) PIMD="pimd";;
1251 esac
1252 AM_CONDITIONAL(PIMD, test "x$PIMD" = "xpimd")
1253
1254 if test "${enable_bgp_announce}" = "no";then
1255   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1256 else
1257   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1258 fi
1259
1260 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1261   with_rfp_path="bgpd/rfp-example"
1262 fi
1263 if test "${with_rfp_path}" != "no"; then
1264   VNC_RFP_PATH="${with_rfp_path}"
1265   AC_SUBST(VNC_RFP_PATH)
1266 fi
1267
1268 if test "${enable_bgp_vnc}" != "no";then
1269   AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1270   RFPTEST="${with_rfp_path}/rfptest"
1271   LIBRFP="${with_rfp_path}/librfp"
1272   RFPINC="${with_rfp_path}/librfp"
1273 else
1274   RFPTEST=
1275   LIBRFP=
1276   RFPINC="bgpd/rfp-example/librfp"
1277 fi
1278 # set
1279 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1280
1281 AC_SUBST(DOC)
1282 AC_SUBST(ZEBRA)
1283 AC_SUBST(RFPTEST)
1284 AC_SUBST(LIBRFP)
1285 AC_SUBST(RFPINC)
1286 AC_SUBST(BGPD)
1287 AC_SUBST(RIPD)
1288 AC_SUBST(RIPNGD)
1289 AC_SUBST(OSPFD)
1290 AC_SUBST(OSPF6D)
1291 AC_SUBST(LDPD)
1292 AC_SUBST(NHRPD)
1293 AC_SUBST(WATCHFRR)
1294 AC_SUBST(ISISD)
1295 AC_SUBST(PIMD)
1296 AC_SUBST(SOLARIS)
1297 AC_SUBST(VTYSH)
1298 AC_SUBST(CURSES)
1299 AC_SUBST(OSPFCLIENT)
1300 AC_SUBST(OSPFAPI)
1301 AC_CHECK_LIB(crypt, crypt)
1302 AC_CHECK_LIB(resolv, res_init)
1303
1304 dnl ---------------------------
1305 dnl check system has PCRE regexp
1306 dnl ---------------------------
1307 if test "x$enable_pcreposix" = "xyes"; then
1308   AC_CHECK_LIB(pcreposix, pcreposix_regexec, ,[enable_pcreposix=no
1309   AC_MSG_WARN([*** falling back to other regex library ***]) ])
1310 fi
1311 AC_SUBST(HAVE_LIBPCREPOSIX)
1312
1313 dnl ------------------
1314 dnl check C-Ares library
1315 dnl ------------------
1316 if test "${NHRPD}" != ""; then
1317    PKG_CHECK_MODULES([CARES], [libcares])
1318 fi
1319
1320
1321 dnl ------------------
1322 dnl check Net-SNMP library
1323 dnl ------------------
1324 if test "${enable_snmp}" != ""; then
1325    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1326    if test x"$NETSNMP_CONFIG" = x"no"; then
1327       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1328    fi
1329    SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1330    SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1331    AC_MSG_CHECKING([whether we can link to Net-SNMP])
1332    AC_LINK_IFELSE([AC_LANG_PROGRAM([
1333 int main(void);
1334 ],
1335 [
1336 {
1337   return 0;
1338 }
1339 ])],[AC_MSG_RESULT(yes)],[
1340      AC_MSG_RESULT(no)
1341      AC_MSG_ERROR([--enable-snmp given but not usable])])
1342    case "${enable_snmp}" in
1343      yes)
1344       SNMP_METHOD=agentx
1345       ;;
1346      smux|agentx)
1347       SNMP_METHOD="${enable_snmp}"
1348       ;;
1349      *)
1350       AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1351       ;;
1352    esac
1353    AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1354    AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1355    AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1356 fi
1357 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1358 AC_SUBST(SNMP_LIBS)
1359 AC_SUBST(SNMP_CFLAGS)
1360
1361 dnl ---------------
1362 dnl dlopen & dlinfo
1363 dnl ---------------
1364 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1365   AC_MSG_ERROR([unable to find the dlopen()])
1366 ])
1367
1368 AC_CHECK_HEADERS([link.h])
1369
1370 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1371 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1372 #include <stdlib.h>
1373 #ifdef HAVE_LINK_H
1374 #include <link.h>
1375 #endif
1376 #include <dlfcn.h>
1377 ]], [[
1378   char origin[1];
1379   dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1380 ]])], [
1381   AC_MSG_RESULT(yes)
1382   AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1383 ], [
1384   AC_MSG_RESULT(no)
1385 ])
1386
1387 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1388 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1389 #include <stdlib.h>
1390 #ifdef HAVE_LINK_H
1391 #include <link.h>
1392 #endif
1393 #include <dlfcn.h>
1394 ]], [[
1395   struct link_map *lm = NULL;
1396   dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1397 ]])], [
1398   AC_MSG_RESULT(yes)
1399   AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1400 ], [
1401   AC_MSG_RESULT(no)
1402 ])
1403
1404
1405 dnl ---------------------------
1406 dnl sockaddr and netinet checks
1407 dnl ---------------------------
1408 AC_CHECK_TYPES([
1409         struct sockaddr_dl,
1410         struct vifctl, struct mfcctl, struct sioc_sg_req,
1411         vifi_t, struct sioc_vif_req, struct igmpmsg,
1412         struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1413         struct nd_opt_adv_interval, struct rt_addrinfo,
1414         struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1415         [], [], FRR_INCLUDES)
1416
1417 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1418         struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1419         struct sockaddr_dl.sdl_len,
1420         struct if6_aliasreq.ifra_lifetime,
1421         struct nd_opt_adv_interval.nd_opt_ai_type],
1422         [], [], FRR_INCLUDES)
1423
1424 dnl ---------------------------
1425 dnl IRDP/pktinfo/icmphdr checks
1426 dnl ---------------------------
1427 AC_CHECK_TYPES([struct in_pktinfo],
1428  [AC_CHECK_TYPES([struct icmphdr],
1429    [if test "${enable_irdp}" != "no"; then
1430       AC_DEFINE(HAVE_IRDP,, IRDP)
1431     fi],
1432    [if test "${enable_irdp}" = "yes"; then
1433       AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1434     fi], [FRR_INCLUDES])],
1435  [if test "${enable_irdp}" = "yes"; then
1436     AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1437   fi], [FRR_INCLUDES])
1438
1439 dnl -----------------------
1440 dnl checking for IP_PKTINFO
1441 dnl -----------------------
1442 AC_MSG_CHECKING(for IP_PKTINFO)
1443 AC_TRY_COMPILE([#include <netdb.h>], [
1444   int opt = IP_PKTINFO;
1445 ], [
1446   AC_MSG_RESULT(yes)
1447   AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1448 ], [
1449   AC_MSG_RESULT(no)
1450 ])
1451
1452 dnl ---------------------------
1453 dnl checking for IP_RECVDSTADDR
1454 dnl ---------------------------
1455 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1456 AC_TRY_COMPILE([#include <netinet/in.h>], [
1457   int opt = IP_RECVDSTADDR;
1458 ], [
1459   AC_MSG_RESULT(yes)
1460   AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1461 ], [
1462   AC_MSG_RESULT(no)
1463 ])
1464
1465 dnl ----------------------
1466 dnl checking for IP_RECVIF
1467 dnl ----------------------
1468 AC_MSG_CHECKING(for IP_RECVIF)
1469 AC_TRY_COMPILE([#include <netinet/in.h>], [
1470   int opt = IP_RECVIF;
1471 ], [
1472   AC_MSG_RESULT(yes)
1473   AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1474 ], [
1475   AC_MSG_RESULT(no)
1476 ])
1477
1478 dnl ----------------------
1479 dnl checking for SO_BINDANY
1480 dnl ----------------------
1481 AC_MSG_CHECKING(for SO_BINDANY)
1482 AC_TRY_COMPILE([#include <sys/socket.h>], [
1483   int opt = SO_BINDANY;
1484 ], [
1485   AC_MSG_RESULT(yes)
1486   AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1487 ], [
1488   AC_MSG_RESULT(no)
1489 ])
1490
1491 dnl ----------------------
1492 dnl checking for IP_FREEBIND
1493 dnl ----------------------
1494 AC_MSG_CHECKING(for IP_FREEBIND)
1495 AC_TRY_COMPILE([#include <netinet/in.h>], [
1496   int opt = IP_FREEBIND;
1497 ], [
1498   AC_MSG_RESULT(yes)
1499   AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1500 ], [
1501   AC_MSG_RESULT(no)
1502 ])
1503
1504 dnl --------------------------------------
1505 dnl checking for clock_time monotonic struct and call
1506 dnl --------------------------------------
1507 AC_CHECK_DECL(CLOCK_MONOTONIC,
1508         [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1509          AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1510 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1511
1512 dnl --------------------------------------
1513 dnl checking for flex and bison
1514 dnl --------------------------------------
1515
1516 AM_PROG_LEX
1517 AC_MSG_CHECKING(version of flex)
1518 quagga_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1519 quagga_ac_flex_version="${quagga_ac_flex_version##* }"
1520 AC_MSG_RESULT([$quagga_ac_flex_version])
1521 AX_COMPARE_VERSION([$quagga_ac_flex_version], [lt], [2.5.20], [
1522   LEX="$SHELL $missing_dir/missing flex"
1523   if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1524     AC_MSG_WARN([using pregenerated flex output files])
1525   else
1526     AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1527   fi
1528   AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1529   AC_SUBST([LEXLIB], [''])
1530 ])
1531
1532 AC_PROG_YACC
1533 dnl thanks GNU bison for this b*llshit...
1534 AC_MSG_CHECKING(version of bison)
1535 quagga_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1536 quagga_ac_bison_version="${quagga_ac_bison_version##* }"
1537 quagga_ac_bison_missing="false"
1538 case "x${quagga_ac_bison_version}" in
1539   x2.7*)
1540     BISON_OPENBRACE='"'
1541     BISON_CLOSEBRACE='"'
1542     BISON_VERBOSE=''
1543     AC_MSG_RESULT([$quagga_ac_bison_version - 2.7 or older])
1544     ;;
1545   x2.*|x1.*)
1546     AC_MSG_RESULT([$quagga_ac_bison_version])
1547     AC_MSG_WARN([installed bison is too old.  Please install GNU bison 2.7.x or newer.])
1548     quagga_ac_bison_missing="true"
1549     ;;
1550   x)
1551     AC_MSG_RESULT([none])
1552     AC_MSG_WARN([could not determine bison version.  Please install GNU bison 2.7.x or newer.])
1553     quagga_ac_bison_missing="true"
1554     ;;
1555   *)
1556     BISON_OPENBRACE='{'
1557     BISON_CLOSEBRACE='}'
1558     BISON_VERBOSE='-Dparse.error=verbose'
1559     AC_MSG_RESULT([$quagga_ac_bison_version - 3.0 or newer])
1560     ;;
1561 esac
1562 AC_SUBST(BISON_OPENBRACE)
1563 AC_SUBST(BISON_CLOSEBRACE)
1564 AC_SUBST(BISON_VERBOSE)
1565
1566 if $quagga_ac_bison_missing; then
1567   YACC="$SHELL $missing_dir/missing bison -y"
1568   if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1569     AC_MSG_WARN([using pregenerated bison output files])
1570   else
1571     AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1572   fi
1573 fi
1574
1575 dnl -------------------
1576 dnl capabilities checks
1577 dnl -------------------
1578 if test "${enable_capabilities}" != "no"; then
1579   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1580   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1581     [AC_MSG_RESULT(yes)
1582      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1583      frr_ac_keepcaps="yes"],
1584      AC_MSG_RESULT(no)
1585   )
1586   if test x"${frr_ac_keepcaps}" = x"yes"; then
1587     AC_CHECK_HEADERS(sys/capability.h)
1588   fi
1589   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1590     AC_CHECK_LIB(cap, cap_init,
1591       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1592        LIBCAP="-lcap"
1593        frr_ac_lcaps="yes"]
1594     )
1595   else
1596     AC_CHECK_HEADERS(priv.h,
1597      [AC_MSG_CHECKING(Solaris style privileges are available)
1598       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1599           [AC_MSG_RESULT(yes)
1600            AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1601            frr_ac_scaps="yes"],
1602            AC_MSG_RESULT(no)
1603       )
1604      ]
1605    )
1606   fi
1607   if test x"${frr_ac_scaps}" = x"yes" \
1608        -o x"${frr_ac_lcaps}" = x"yes"; then
1609     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1610   fi
1611 fi
1612 AC_SUBST(LIBCAP)
1613
1614 dnl ---------------------------
1615 dnl check for glibc 'backtrace'
1616 dnl ---------------------------
1617 if test x"${enable_backtrace}" != x"no" ; then
1618   backtrace_ok=no
1619   AC_CHECK_HEADER([execinfo.h], [
1620     AC_SEARCH_LIBS([backtrace], [execinfo], [
1621       AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1622       AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1623       backtrace_ok=yes
1624     ],, [-lm])
1625   ])
1626
1627   if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1628     dnl user explicitly requested backtrace but we failed to find support
1629     AC_MSG_FAILURE([failed to find backtrace support])
1630   fi
1631 fi
1632
1633 dnl -----------------------------------------
1634 dnl check for malloc mallinfo struct and call
1635 dnl this must try and link using LIBS, in
1636 dnl order to check no alternative allocator
1637 dnl has been specified, which might not provide
1638 dnl mallinfo, e.g. such as Umem on Solaris.
1639 dnl -----------------------------------------
1640 AC_CHECK_HEADER([malloc.h],
1641  [AC_MSG_CHECKING(whether mallinfo is available)
1642   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1643                         [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1644       [AC_MSG_RESULT(yes)
1645        AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1646        AC_MSG_RESULT(no)
1647   )
1648  ], [], FRR_INCLUDES)
1649
1650 dnl ----------
1651 dnl configure date
1652 dnl ----------
1653 CONFDATE=`date '+%Y%m%d'`
1654 AC_SUBST(CONFDATE)
1655
1656 dnl ------------------------------
1657 dnl set paths for state directory
1658 dnl ------------------------------
1659 AC_MSG_CHECKING(directory to use for state file)
1660 if test "${prefix}" = "NONE"; then
1661   frr_statedir_prefix="";
1662 else
1663   frr_statedir_prefix=${prefix}
1664 fi
1665 if test "${localstatedir}" = '${prefix}/var'; then
1666   for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1667                         ${frr_statedir_prefix}/var/adm dnl
1668                         ${frr_statedir_prefix}/etc dnl
1669                         /var/run        dnl
1670                         /var/adm        dnl
1671                         /etc            dnl
1672                         /dev/null;
1673   do
1674     test -d $FRR_STATE_DIR && break
1675   done
1676   frr_statedir=$FRR_STATE_DIR
1677 else
1678   frr_statedir=${localstatedir}
1679 fi
1680 if test $frr_statedir = "/dev/null"; then
1681     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1682 fi
1683 AC_MSG_RESULT(${frr_statedir})
1684 AC_SUBST(frr_statedir)
1685
1686 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1687 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1688 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1689
1690 dnl autoconf does this, but it does it too late...
1691 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1692 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1693
1694 dnl get the full path, recursing through variables...
1695 vtysh_bin="$bindir/vtysh"
1696 for I in 1 2 3 4 5 6 7 8 9 10; do
1697         eval vtysh_bin="\"$vtysh_bin\""
1698 done
1699 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1700
1701 CFG_SYSCONF="$sysconfdir"
1702 CFG_SBIN="$sbindir"
1703 CFG_STATE="$frr_statedir"
1704 CFG_MODULE="$moduledir"
1705 for I in 1 2 3 4 5 6 7 8 9 10; do
1706         eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1707         eval CFG_SBIN="\"$CFG_SBIN\""
1708         eval CFG_STATE="\"$CFG_STATE\""
1709         eval CFG_MODULE="\"$CFG_MODULE\""
1710 done
1711 AC_SUBST(CFG_SYSCONF)
1712 AC_SUBST(CFG_SBIN)
1713 AC_SUBST(CFG_STATE)
1714 AC_SUBST(CFG_MODULE)
1715 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1716
1717 dnl ---------------------------
1718 dnl Check htonl works correctly
1719 dnl ---------------------------
1720 AC_MSG_CHECKING(for working htonl)
1721 AC_CACHE_VAL(ac_cv_htonl_works,
1722  [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1723                 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1724  ]
1725 )
1726 AC_MSG_RESULT($ac_cv_htonl_works)
1727
1728 AC_CONFIG_FILES([Makefile lib/Makefile qpb/Makefile zebra/Makefile ripd/Makefile
1729           ripngd/Makefile bgpd/Makefile ospfd/Makefile watchfrr/Makefile
1730           ospf6d/Makefile ldpd/Makefile isisd/Makefile vtysh/Makefile
1731           doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
1732           pimd/Makefile
1733           nhrpd/Makefile
1734           redhat/Makefile
1735           tools/Makefile
1736           cumulus/Makefile
1737           pkgsrc/Makefile
1738           fpm/Makefile
1739           redhat/frr.spec
1740           snapcraft/Makefile
1741           snapcraft/snapcraft.yaml
1742           lib/version.h
1743           tests/lib/cli/test_cli.refout
1744           doc/defines.texi
1745           doc/bgpd.8
1746           doc/isisd.8
1747           doc/ospf6d.8
1748           doc/ospfclient.8
1749           doc/ospfd.8
1750           doc/ldpd.8
1751           doc/ripd.8
1752           doc/ripngd.8
1753           doc/pimd.8
1754           doc/nhrpd.8
1755           doc/vtysh.1
1756           doc/watchfrr.8
1757           doc/zebra.8
1758           doc/frr.1
1759           pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1760           pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh])
1761
1762 if test "${enable_bgp_vnc}" != "no"; then
1763    if test "${with_rfp_path}" = "bgpd/rfp-example" ; then
1764      AC_CONFIG_FILES([bgpd/rfp-example/rfptest/Makefile bgpd/rfp-example/librfp/Makefile])
1765    else
1766      AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1767    fi
1768 fi
1769
1770 AC_CONFIG_FILES([solaris/Makefile])
1771
1772 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1773
1774 ## Hack, but working solution to avoid rebuilding of quagga.info.
1775 ## It's already in CVS until texinfo 4.7 is more common.
1776 AC_OUTPUT
1777
1778 echo "
1779 FRRouting configuration
1780 ------------------------------
1781 FRR version             : ${PACKAGE_VERSION}
1782 host operating system   : ${host_os}
1783 source code location    : ${srcdir}
1784 compiler                : ${CC}
1785 compiler flags          : ${CFLAGS}
1786 make                    : ${MAKE-make}
1787 linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
1788 state file directory    : ${frr_statedir}
1789 config file directory   : `eval echo \`echo ${sysconfdir}\``
1790 example directory       : `eval echo \`echo ${exampledir}\``
1791 module directory        : ${CFG_MODULE}
1792 user to run as          : ${enable_user}
1793 group to run as         : ${enable_group}
1794 group for vty sockets   : ${enable_vty_group}
1795 config file mask        : ${enable_configfile_mask}
1796 log file mask           : ${enable_logfile_mask}
1797 zebra protobuf enabled  : ${have_protobuf:-no}
1798
1799 The above user and group must have read/write access to the state file
1800 directory and to the config files in the config file directory."