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, 3.1-dev, [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 ${enableval} for --enable-tcmalloc) ;;
  73 esac],[tcmalloc_enabled=false])
  74
  75
  76 dnl Thanks autoconf, but we don't want a default -g -O2.  We have our own
  77 dnl flag determination logic.
  78 CFLAGS="${CFLAGS:-}"
  79
  80 dnl --------------------
  81 dnl Check CC and friends
  82 dnl --------------------
  83 dnl note orig_cflags is also used further down
  84 orig_cflags="$CFLAGS"
  85 AC_LANG([C])
  86 AC_PROG_CC
  87 AC_PROG_CPP
  88 AM_PROG_CC_C_O
  89 dnl remove autoconf default "-g -O2"
  90 CFLAGS="$orig_cflags"
  91 AC_PROG_CC_C99
  92 dnl NB: see C11 below
  93
  94 AC_PROG_EGREP
  95 PKG_PROG_PKG_CONFIG
  96
  97 dnl autoconf 2.59 appears not to support AC_PROG_SED
  98 dnl AC_PROG_SED
  99 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
 100
 101 dnl try and enable CFLAGS that are useful for Quagga
 102 dnl - specifically, options to control warnings
 103
 104 AC_USE_SYSTEM_EXTENSIONS
 105 AC_DEFUN([AC_C_FLAG], [{
 106         AC_LANG_PUSH(C)
 107         ac_c_flag_save="$CFLAGS"
 108         CFLAGS="$CFLAGS $1"
 109         AC_MSG_CHECKING([[whether $CC supports $1]])
 110         AC_COMPILE_IFELSE(
 111                 [AC_LANG_PROGRAM([[]])],
 112                 [
 113                         AC_MSG_RESULT([yes])
 114                         m4_if([$3], [], [], [
 115                                 CFLAGS="$ac_c_flag_save"
 116                                 $3
 117                         ])
 118                 ], [
 119                         CFLAGS="$ac_c_flag_save"
 120                         AC_MSG_RESULT([no])
 121                         $2
 122                 ])
 123         AC_LANG_POP(C)
 124         }])
 125
 126 dnl ICC won't bail on unknown options without -diag-error 10006
 127 dnl need to do this first so we get useful results for the other options
 128 AC_C_FLAG([-diag-error 10006])
 129
 130 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
 131 ac_cc="$CC"
 132 CC="${CC% -std=gnu99}"
 133 CC="${CC% -std=c99}"
 134
 135 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
 136
 137 dnl if the user specified any CFLAGS, we don't add "-g -Os/-O2" here
 138 if test "z$orig_cflags" = "z"; then
 139   AC_C_FLAG([-g])
 140   AC_C_FLAG([-Os], [
 141     AC_C_FLAG([-O2])
 142   ])
 143 fi
 144
 145 dnl always want these CFLAGS
 146 AC_C_FLAG([-fno-omit-frame-pointer])
 147 AC_C_FLAG([-Wall])
 148 AC_C_FLAG([-Wextra])
 149 AC_C_FLAG([-Wmissing-prototypes])
 150 AC_C_FLAG([-Wmissing-declarations])
 151 AC_C_FLAG([-Wpointer-arith])
 152 AC_C_FLAG([-Wbad-function-cast])
 153 AC_C_FLAG([-Wwrite-strings])
 154 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
 155   AC_C_FLAG([-Wcast-qual])
 156   AC_C_FLAG([-Wstrict-prototypes])
 157   AC_C_FLAG([-Wmissing-noreturn])
 158   AC_C_FLAG([-Wmissing-format-attribute])
 159   AC_C_FLAG([-Wunreachable-code])
 160   AC_C_FLAG([-Wpacked])
 161   AC_C_FLAG([-Wpadded])
 162 else
 163   AC_C_FLAG([-Wno-unused-result])
 164 fi
 165 AC_C_FLAG([-Wno-unused-parameter])
 166 AC_C_FLAG([-Wno-missing-field-initializers])
 167
 168 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
 169 dnl for some reason the string consts get 'promoted' to char *,
 170 dnl triggering a const to non-const conversion warning.
 171 AC_C_FLAG([-diag-disable 3179])
 172
 173 if test x"${enable_werror}" = x"yes" ; then
 174   WERROR="-Werror"
 175 fi
 176 AC_SUBST(WERROR)
 177
 178 dnl need link on this one, not compile
 179 AC_LANG_PUSH(C)
 180 ac_ld_flag_save="$LDFLAGS"
 181 LDFLAGS="$LDFLAGS -rdynamic"
 182 AC_MSG_CHECKING([[whether linker supports -rdynamic]])
 183 AC_LINK_IFELSE(
 184         [AC_LANG_PROGRAM([[]])],
 185         [AC_MSG_RESULT([yes])],
 186         [
 187                 LDFLAGS="$ac_ld_flag_save"
 188                 AC_MSG_RESULT([no])
 189         ])
 190 AC_LANG_POP(C)
 191
 192 dnl ----------
 193 dnl Essentials
 194 dnl ----------
 195
 196 AX_PTHREAD([
 197   CC="$PTHREAD_CC"
 198   CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 199   LIBS="$PTHREAD_LIBS $LIBS"
 200 ], [
 201   AC_MSG_FAILURE([This Quagga version needs pthreads])
 202 ])
 203
 204 dnl --------------
 205 dnl Check programs
 206 dnl --------------
 207 AC_PROG_INSTALL
 208 AC_PROG_LN_S
 209 AC_PROG_MAKE_SET
 210 AC_CHECK_TOOL(AR, ar)
 211
 212 dnl -----------------
 213 dnl System extensions
 214 dnl -----------------
 215 AC_GNU_SOURCE
 216
 217 dnl -------
 218 dnl libtool
 219 dnl -------
 220 LT_INIT
 221
 222 dnl ----------------------
 223 dnl Packages configuration
 224 dnl ----------------------
 225 AC_ARG_WITH(pkg-extra-version,
 226         AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
 227         [EXTRAVERSION=$withval],)
 228 AC_ARG_WITH(pkg-git-version,
 229         AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
 230         [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
 231 AC_ARG_ENABLE(vtysh,
 232   AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for Quagga]))
 233 AC_ARG_ENABLE(doc,
 234   AS_HELP_STRING([--disable-doc], [do not build docs]))
 235 AC_ARG_ENABLE(zebra,
 236   AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
 237 AC_ARG_ENABLE(bgpd,
 238   AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
 239 AC_ARG_ENABLE(ripd,
 240   AS_HELP_STRING([--disable-ripd], [do not build ripd]))
 241 AC_ARG_ENABLE(ripngd,
 242   AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
 243 AC_ARG_ENABLE(ospfd,
 244   AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
 245 AC_ARG_ENABLE(ospf6d,
 246   AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
 247 AC_ARG_ENABLE(ldpd,
 248   AS_HELP_STRING([--enable-ldpd], [build ldpd]))
 249 AC_ARG_ENABLE(nhrpd,
 250   AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
 251 AC_ARG_ENABLE(eigrpd,
 252   AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
 253 AC_ARG_ENABLE(watchfrr,
 254   AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
 255 AC_ARG_ENABLE(isisd,
 256   AS_HELP_STRING([--disable-isisd], [do not build isisd]))
 257 AC_ARG_ENABLE(pimd,
 258   AS_HELP_STRING([--disable-pimd], [do not build pimd]))
 259 AC_ARG_ENABLE(bgp-announce,
 260   AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
 261 AC_ARG_ENABLE(bgp-vnc,
 262   AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
 263 AC_ARG_WITH(rfp-path,
 264   AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
 265 AC_ARG_ENABLE(snmp,
 266   AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
 267 AC_ARG_WITH(libpam,
 268   AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
 269 AC_ARG_ENABLE(tcp-zebra,
 270   AS_HELP_STRING([--enable-tcp-zebra], [enable TCP/IP socket connection between zebra and protocol daemon]))
 271 AC_ARG_ENABLE(ospfapi,
 272   AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
 273 AC_ARG_ENABLE(ospfclient,
 274   AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
 275                           (this is the default if --disable-ospfapi is set)]))
 276 AC_ARG_ENABLE(multipath,
 277   AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
 278 AC_ARG_ENABLE(user,
 279   AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
 280 AC_ARG_ENABLE(group,
 281   AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
 282 AC_ARG_ENABLE(vty_group,
 283   AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
 284 AC_ARG_ENABLE(configfile_mask,
 285   AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
 286 AC_ARG_ENABLE(logfile_mask,
 287   AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
 288 AC_ARG_ENABLE(shell_access,
 289   AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
 290 AC_ARG_ENABLE(rtadv,
 291   AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
 292 AC_ARG_ENABLE(irdp,
 293   AS_HELP_STRING([--enable-irdp], [enable IRDP server support in zebra]))
 294 AC_ARG_ENABLE(capabilities,
 295   AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
 296 AC_ARG_ENABLE(rusage,
 297   AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
 298 AC_ARG_ENABLE(gcc_ultra_verbose,
 299   AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
 300 AC_ARG_ENABLE(linux24_tcp_md5,
 301   AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
 302 AC_ARG_ENABLE(backtrace,
 303   AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
 304 AC_ARG_ENABLE(time-check,
 305   AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
 306 AC_ARG_ENABLE(pcreposix,
 307   AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
 308 AC_ARG_ENABLE(fpm,
 309   AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
 310 AC_ARG_ENABLE(systemd,
 311   AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
 312 AC_ARG_ENABLE(poll,
 313   AS_HELP_STRING([--enable-poll], [enable usage of Poll instead of select]))
 314 AC_ARG_ENABLE(werror,
 315   AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
 316 AC_ARG_ENABLE(cumulus,
 317   AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
 318 AC_ARG_ENABLE(rr-semantics,
 319   AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
 320 AC_ARG_ENABLE([protobuf],
 321   AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
 322 AC_ARG_ENABLE([oldvpn_commands],
 323   AS_HELP_STRING([--enable-old-vpn-commands], [Keep old vpn commands]))
 324
 325 AC_CHECK_HEADERS(json-c/json.h)
 326 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c")
 327 if test $ac_cv_lib_json_c_json_object_get = no; then
 328   AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
 329   if test $ac_cv_lib_json_json_object_get = no; then
 330       AC_MSG_ERROR([lib json is needed to compile])
 331   fi
 332 fi
 333
 334 AC_ARG_ENABLE([dev_build],
 335     AS_HELP_STRING([--enable-dev-build], [build for development]))
 336
 337 if test x"${enable_time_check}" != x"no" ; then
 338   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
 339     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
 340   else
 341     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
 342   fi
 343 fi
 344
 345 case "${enable_systemd}" in
 346   "no") ;;
 347   "yes")
 348   AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
 349   if test $ac_cv_lib_systemd_sd_notify = no; then
 350     AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
 351   else
 352     AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
 353   fi
 354   ;;
 355   "*") ;;
 356 esac
 357
 358 if test "${enable_rr_semantics}" != "no" ; then
 359   AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
 360 fi
 361
 362 if test "${enable_poll}" = "yes" ; then
 363   AC_DEFINE(HAVE_POLL,,Compile systemd support in)
 364 fi
 365
 366 dnl ----------
 367 dnl MPLS check
 368 dnl ----------
 369 AC_MSG_CHECKING(whether this OS has MPLS stack)
 370 case "$host" in
 371   *-linux*)
 372       MPLS_METHOD="zebra_mpls_netlink.o zebra_mpls.o"
 373       AC_MSG_RESULT(Linux MPLS)
 374   ;;
 375   *-openbsd*)
 376       MPLS_METHOD="zebra_mpls_openbsd.o zebra_mpls.o"
 377       AC_MSG_RESULT(OpenBSD MPLS)
 378   ;;
 379   *)
 380       MPLS_METHOD="zebra_mpls_null.o"
 381       AC_MSG_RESULT(Unsupported kernel)
 382   ;;
 383 esac
 384 AC_SUBST(MPLS_METHOD)
 385
 386 if test "${enable_cumulus}" = "yes" ; then
 387   AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
 388   DFLT_NAME="datacenter"
 389 else
 390   DFLT_NAME="traditional"
 391 fi
 392 AC_SUBST(DFLT_NAME)
 393 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
 394
 395 if test "${enable_shell_access}" = "yes"; then
 396    AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
 397 fi
 398
 399 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
 400
 401 if test "x${enable_dev_build}" = "xyes"; then
 402    AC_DEFINE(DEV_BUILD,,Build for development)
 403 fi
 404 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
 405
 406 #
 407 # Logic for protobuf support.
 408 #
 409 if test "$enable_protobuf" = "yes"; then
 410    have_protobuf=yes
 411
 412    # Check for protoc-c
 413    AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
 414    if test "x$PROTOC_C" = "x/bin/false"; then
 415       have_protobuf=no
 416    else
 417       found_protobuf_c=no
 418       PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
 419                      [found_protobuf_c=yes],
 420                      [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
 421
 422       if test "x$found_protobuf_c" = "xyes"; then
 423          LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
 424          CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
 425       else
 426         AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
 427                         [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
 428       fi
 429    fi
 430 fi
 431
 432 #
 433 # Logic for old vpn commans support.
 434 #
 435 if test "$enable_old_vpn_commands" = "yes"; then
 436    AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
 437 fi
 438
 439 # Fail if the user explicity enabled protobuf support and we couldn't
 440 # find the compiler or libraries.
 441 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
 442    AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
 443 fi
 444
 445 if test "x$have_protobuf" = "xyes"; then
 446    AC_DEFINE(HAVE_PROTOBUF,, protobuf)
 447 fi
 448
 449 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
 450
 451 #
 452 # End of logic for protobuf support.
 453 #
 454
 455 if test "${enable_tcp_zebra}" = "yes"; then
 456   AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
 457 fi
 458
 459 if test "${enable_linux24_tcp_md5}" = "yes"; then
 460   AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
 461 fi
 462
 463 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
 464 if test "${enable_rtadv}" != "no"; then
 465   AC_MSG_RESULT(yes)
 466   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
 467 else
 468   AC_MSG_RESULT(no)
 469 fi
 470
 471 if test "${enable_irdp}" = "yes"; then
 472   AC_DEFINE(HAVE_IRDP,, IRDP )
 473 fi
 474
 475 if test x"${enable_user}" = x"no"; then
 476   enable_user=""
 477 else
 478   if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
 479     enable_user="frr"
 480   fi
 481   AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
 482 fi
 483
 484 if test x"${enable_group}" = x"no"; then
 485   enable_group=""
 486 else
 487   if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
 488     enable_group="frr"
 489   fi
 490   AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
 491 fi
 492
 493 if test x"${enable_vty_group}" = x"yes" ; then
 494   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 495 elif test x"${enable_vty_group}" != x""; then
 496   if test x"${enable_vty_group}" != x"no"; then
 497     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 498   fi
 499 fi
 500 AC_SUBST([enable_user])
 501 AC_SUBST([enable_group])
 502 AC_SUBST([enable_vty_group])
 503
 504 enable_configfile_mask=${enable_configfile_mask:-0600}
 505 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
 506
 507 enable_logfile_mask=${enable_logfile_mask:-0600}
 508 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
 509
 510 MPATH_NUM=1
 511
 512 case "${enable_multipath}" in
 513   0)
 514     MPATH_NUM=64
 515     ;;
 516   [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
 517     MPATH_NUM="${enable_multipath}"
 518     ;;
 519   "")
 520     ;;
 521   *)
 522     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
 523     ;;
 524 esac
 525
 526 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
 527
 528 dnl -----------------------------------
 529 dnl Add extra version string to package
 530 dnl name, string and version fields.
 531 dnl -----------------------------------
 532 if test "x${EXTRAVERSION}" != "x" ; then
 533   VERSION="${VERSION}${EXTRAVERSION}"
 534   PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
 535   AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
 536   PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
 537 fi
 538
 539 if test "x$with_pkg_git_version" = "xyes"; then
 540         if test -d "${srcdir}/.git"; then
 541                 AC_DEFINE(GIT_VERSION, [1], [include git version info])
 542         else    with_pkg_git_version="no"
 543                 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
 544         fi
 545 fi
 546 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
 547
 548 dnl ------------------------------------
 549 dnl Check C keywords and standard  types
 550 dnl ------------------------------------
 551 AC_C_CONST
 552 AC_C_INLINE
 553 AC_C_VOLATILE
 554 AC_HEADER_STDC
 555 dnl AC_TYPE_PID_T
 556 AC_TYPE_UID_T
 557 AC_TYPE_MODE_T
 558 AC_TYPE_SIZE_T
 559 AC_STRUCT_TM
 560
 561 dnl -------------------------
 562 dnl Check other header files.
 563 dnl -------------------------
 564 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
 565         linux/version.h asm/types.h \
 566         sys/cdefs.h])
 567
 568 ac_stdatomic_ok=false
 569 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
 570 AC_CHECK_HEADER([stdatomic.h],[
 571
 572   AC_MSG_CHECKING([whether _Atomic qualifier works])
 573   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 574 #include <stdatomic.h>
 575 int main(int argc, char **argv) {
 576   _Atomic int i = 0;
 577   return i;
 578 }
 579 ]])], [
 580     AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
 581     AC_MSG_RESULT([yes])
 582     ac_stdatomic_ok=true
 583   ], [
 584     AC_MSG_RESULT([no])
 585   ])
 586 ])
 587
 588 AS_IF([$ac_stdatomic_ok], [true], [
 589   AC_MSG_CHECKING([for __atomic_* builtins])
 590   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 591 int main(int argc, char **argv) {
 592   volatile int i = 1;
 593   __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
 594   return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
 595 }
 596 ]])], [
 597     AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
 598     AC_MSG_RESULT([yes])
 599   ], [
 600     AC_MSG_RESULT([no])
 601
 602     dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
 603     AC_MSG_CHECKING([for __sync_* builtins])
 604     AC_LINK_IFELSE([AC_LANG_SOURCE([[
 605 int main(int argc, char **argv) {
 606   volatile int i = 1;
 607   __sync_fetch_and_sub (&i, 1);
 608   return __sync_val_compare_and_swap (&i, 0, 1);
 609 }
 610 ]])], [
 611       AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
 612       AC_MSG_RESULT([yes])
 613
 614       AC_MSG_CHECKING([for __sync_swap builtin])
 615       AC_LINK_IFELSE([AC_LANG_SOURCE([[
 616 int main(int argc, char **argv) {
 617   volatile int i = 1;
 618   return __sync_swap (&i, 2);
 619 }
 620 ]])], [
 621         AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
 622         AC_MSG_RESULT([yes])
 623       ], [
 624         AC_MSG_RESULT([no])
 625       ])
 626
 627     ], [
 628       AC_MSG_RESULT([no])
 629       AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
 630     ])
 631   ])
 632 ])
 633
 634 dnl Utility macro to avoid retyping includes all the time
 635 m4_define([FRR_INCLUDES],
 636 [#ifdef SUNOS_5
 637 #define _XPG4_2
 638 #define __EXTENSIONS__
 639 #endif
 640 #include <stdio.h>
 641 #include <stdlib.h>
 642 #include <stddef.h>
 643 #include <sys/types.h>
 644 /* sys/conf.h depends on param.h on FBSD at least */
 645 #include <sys/param.h>
 646 /* Required for MAXSIG */
 647 #include <signal.h>
 648 #include <sys/socket.h>
 649 #ifdef __APPLE__
 650 # define __APPLE_USE_RFC_3542
 651 #endif
 652 #include <netinet/in.h>
 653 #include <sys/time.h>
 654 #include <time.h>
 655 #include <net/if.h>
 656 ])dnl
 657
 658 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
 659 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
 660 dnl an additional round for it.
 661
 662 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
 663
 664 m4_define([FRR_INCLUDES],
 665 FRR_INCLUDES
 666 [#if HAVE_NET_IF_VAR_H
 667 # include <net/if_var.h>
 668 #endif
 669 ])dnl
 670
 671 AC_CHECK_HEADERS([netinet/in_var.h \
 672         net/if_dl.h net/netopt.h \
 673         inet/nd.h netinet/ip_icmp.h \
 674         sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
 675         [], [], FRR_INCLUDES)
 676
 677 AC_CHECK_HEADERS([ucontext.h], [], [],
 678 [#ifndef __USE_GNU
 679 #define __USE_GNU
 680 #endif /* __USE_GNU */
 681 FRR_INCLUDES
 682 ])
 683
 684 m4_define([UCONTEXT_INCLUDES],
 685 [#include <ucontext.h>])dnl
 686
 687 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
 688   [], [], [UCONTEXT_INCLUDES])
 689 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
 690   [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
 691    [], [], [UCONTEXT_INCLUDES])],
 692   [], [UCONTEXT_INCLUDES])
 693 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
 694   [], [], [UCONTEXT_INCLUDES])
 695
 696 m4_define([FRR_INCLUDES],
 697 FRR_INCLUDES
 698 [
 699 #include <sys/un.h>
 700 #include <netinet/in_systm.h>
 701 #if HAVE_NETINET_IN_VAR_H
 702 # include <netinet/in_var.h>
 703 #endif
 704 #if HAVE_NET_IF_DL_H
 705 # include <net/if_dl.h>
 706 #endif
 707 #if HAVE_NET_NETOPT_H
 708 # include <net/netopt.h>
 709 #endif
 710 #include <net/route.h>
 711 #if HAVE_INET_ND_H
 712 # include <inet/nd.h>
 713 #endif
 714 #include <arpa/inet.h>
 715 /* Required for IDRP */
 716 #if HAVE_NETINET_IP_ICMP_H
 717 # include <netinet/ip_icmp.h>
 718 #endif
 719 ])dnl
 720
 721 dnl V6 headers are checked below, after we check for v6
 722
 723 dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
 724 case "$host" in
 725   [*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
 726       opsys=sol2-6
 727       AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
 728       AC_DEFINE(SUNOS_5, 1, SunOS 5)
 729       AC_CHECK_LIB(xnet, main)
 730       CURSES=-lcurses
 731       SOLARIS="solaris"
 732   ;;
 733   [*-sunos5.[8-9]] \
 734   | [*-sunos5.1[0-9]] \
 735   | [*-sunos5.1[0-9].[0-9]] \
 736   | [*-solaris2.[8-9]] \
 737   | [*-solaris2.1[0-9]] \
 738   | [*-solaris2.1[0-9].[0-9]])
 739       opsys=sol8
 740       AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
 741       AC_DEFINE(SUNOS_5, 1, [SunOS 5])
 742       AC_CHECK_LIB(socket, main)
 743       AC_CHECK_LIB(nsl, main)
 744       AC_CHECK_LIB(umem, main)
 745       AC_CHECK_FUNCS([printstack],
 746         [AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
 747          AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
 748         ])
 749       CURSES=-lcurses
 750       SOLARIS="solaris"
 751   ;;
 752   *-sunos5* | *-solaris2*)
 753       AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
 754       AC_CHECK_LIB(socket, main)
 755       AC_CHECK_LIB(nsl, main)
 756       CURSES=-lcurses
 757       SOLARIS="solaris"
 758   ;;
 759   *-linux*)
 760       opsys=gnu-linux
 761       AC_DEFINE(GNU_LINUX,,GNU Linux)
 762   ;;
 763   *-openbsd*)
 764       opsys=openbsd
 765       AC_DEFINE(OPEN_BSD,,OpenBSD)
 766   ;;
 767 esac
 768
 769 AC_SYS_LARGEFILE
 770
 771 dnl ---------------------
 772 dnl Integrated VTY option
 773 dnl ---------------------
 774 case "${enable_vtysh}" in
 775   "no") VTYSH="";;
 776   *)    VTYSH="vtysh";
 777          AC_DEFINE(VTYSH,,VTY shell)
 778 dnl      Vtysh uses libreadline, which looks for termcap functions at
 779 dnl      configure time.  We follow readlines search order.
 780 dnl      The required procedures are in libtermcap on NetBSD, in
 781 dnl      [TODO] on Linux, and in [TODO] on Solaris.
 782          AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
 783            [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
 784              [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
 785                [AC_CHECK_LIB(ncurses, tputs,
 786                              LIBREADLINE="$LIBREADLINE -lncurses")]
 787               )]
 788             )]
 789           )
 790          AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
 791                       "$LIBREADLINE")
 792          if test $ac_cv_lib_readline_main = no; then
 793            AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
 794          fi
 795          AC_CHECK_HEADER(readline/history.h)
 796          if test $ac_cv_header_readline_history_h = no;then
 797            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
 798          fi
 799          AC_CHECK_LIB(readline, rl_completion_matches,
 800                       LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
 801          if test $ac_cv_lib_readline_rl_completion_matches = no; then
 802            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
 803          fi
 804          ;;
 805 esac
 806 AC_SUBST(LIBREADLINE)
 807 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
 808
 809 dnl ----------
 810 dnl PAM module
 811 dnl
 812 dnl Quagga detects the PAM library it is built against by checking for a
 813 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
 814 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
 815 dnl openpam.h doesn't do that, although depends on the header too. Hence a
 816 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
 817 dnl of OpenPAM.
 818 dnl ----------
 819 if test "$with_libpam" = "yes"; then
 820   AC_CHECK_HEADER([security/pam_misc.h],
 821     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
 822      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
 823      pam_conv_func="misc_conv"
 824     ],
 825     [], FRR_INCLUDES)
 826   AC_CHECK_HEADER([security/openpam.h],
 827     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
 828      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
 829      pam_conv_func="openpam_ttyconv"
 830     ],
 831     [], FRR_INCLUDES[#include <security/pam_appl.h>])
 832   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
 833     AC_MSG_WARN([*** pam support will not be built ***])
 834     with_libpam="no"
 835   fi
 836 fi
 837
 838 if test "$with_libpam" = "yes"; then
 839 dnl took this test from proftpds configure.in and suited to our needs
 840 dnl -------------------------------------------------------------------------
 841 dnl
 842 dnl This next check looks funky due to a linker problem with some versions
 843 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
 844 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
 845 dnl with RedHat 6.2 and Debian 2.2 or better.
 846 AC_CHECK_LIB(pam, pam_start,
 847   [AC_CHECK_LIB(pam, $pam_conv_func,
 848     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 849      LIBPAM="-lpam"],
 850     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 851      LIBPAM="-lpam -lpam_misc"]
 852     )
 853   ],
 854
 855   [AC_CHECK_LIB(pam, pam_end,
 856     [AC_CHECK_LIB(pam, $pam_conv_func,
 857       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 858        LIBPAM="-lpam -ldl"],
 859       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 860        LIBPAM="-lpam -ldl -lpam_misc"]
 861      )
 862   ],AC_MSG_WARN([*** pam support will not be built ***]),
 863   [-ldl])
 864   ]
 865 )
 866 fi
 867 AC_SUBST(LIBPAM)
 868
 869 dnl -------------------------------
 870 dnl Endian-ness check
 871 dnl -------------------------------
 872 AC_WORDS_BIGENDIAN
 873
 874 dnl -------------------------------
 875 dnl check the size in byte of the C
 876 dnl -------------------------------
 877 dnl AC_CHECK_SIZEOF(char)
 878 dnl AC_CHECK_SIZEOF(int)
 879 dnl AC_CHECK_SIZEOF(short)
 880 dnl AC_CHECK_SIZEOF(long)
 881
 882 dnl ----------------------------
 883 dnl check existance of functions
 884 dnl ----------------------------
 885 AC_FUNC_FNMATCH
 886 AC_FUNC_FORK
 887 AC_FUNC_MKTIME
 888 AC_FUNC_STAT
 889
 890 dnl -------------------------------
 891 dnl bgpd needs pow() and hence libm
 892 dnl -------------------------------
 893 TMPLIBS="$LIBS"
 894 AC_CHECK_HEADER([math.h],
 895   [AC_CHECK_LIB([m], [pow],
 896     [LIBM="-lm"
 897      LIBS="$LIBS $LIBM"
 898      AC_CHECK_FUNCS(pow,[],[LIBM=""])
 899     ])
 900 ])
 901 if test x"$LIBM" = x ; then
 902   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
 903 fi
 904 LIBS="$TMPLIBS"
 905 AC_SUBST(LIBM)
 906
 907 dnl ---------------
 908 dnl other functions
 909 dnl ---------------
 910 AC_CHECK_FUNCS([ \
 911         strlcat strlcpy \
 912         getgrouplist \
 913         pledge])
 914
 915 AC_CHECK_HEADER([asm-generic/unistd.h],
 916                 [AC_CHECK_DECL(__NR_setns,
 917                                AC_DEFINE(HAVE_NETNS,, Have netns),,
 918                                FRR_INCLUDES [#include <asm-generic/unistd.h>
 919                                ])
 920                  AC_CHECK_FUNCS(setns)]
 921                )
 922
 923 dnl ------------------------------------
 924 dnl Determine routing get and set method
 925 dnl ------------------------------------
 926 AC_MSG_CHECKING(zebra between kernel interface method)
 927 if test x"$opsys" = x"gnu-linux"; then
 928   AC_MSG_RESULT(netlink)
 929   RT_METHOD=rt_netlink.o
 930   KERNEL_METHOD=kernel_netlink.o
 931   AC_DEFINE(HAVE_NETLINK,,netlink)
 932   netlink=yes
 933   AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
 934 else
 935   AC_MSG_RESULT(Route socket)
 936   KERNEL_METHOD="kernel_socket.o"
 937   RT_METHOD="rt_socket.o"
 938 fi
 939 AC_SUBST(RT_METHOD)
 940 AC_SUBST(KERNEL_METHOD)
 941 AM_CONDITIONAL([HAVE_NETLINK], [test "x$netlink" = "xyes"])
 942
 943 dnl --------------------------
 944 dnl Determine IS-IS I/O method
 945 dnl --------------------------
 946 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
 947 AC_DEFINE(ISIS_METHOD_DLPI,     2, [ constant value for isis method dlpi ])
 948 AC_DEFINE(ISIS_METHOD_BPF,      3, [ constant value for isis method bpf ])
 949 AC_CHECK_HEADER(net/bpf.h)
 950 AC_CHECK_HEADER(sys/dlpi.h)
 951 AC_MSG_CHECKING(zebra IS-IS I/O method)
 952 if test x"$opsys" = x"gnu-linux"; then
 953   AC_MSG_RESULT(pfpacket)
 954   ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
 955 elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
 956   AC_MSG_RESULT(DLPI)
 957   ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 958 else
 959   if test $ac_cv_header_net_bpf_h = no; then
 960     if test $ac_cv_header_sys_dlpi_h = no; then
 961       AC_MSG_RESULT(none)
 962       AC_MSG_WARN([*** IS-IS support will not be built ***])
 963       ISISD=""
 964     else
 965       AC_MSG_RESULT(DLPI)
 966     fi
 967     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 968   else
 969     AC_MSG_RESULT(BPF)
 970     ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
 971   fi
 972 fi
 973 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
 974
 975 dnl ------------------------------------
 976 dnl check for broken CMSG_FIRSTHDR macro
 977 dnl ------------------------------------
 978 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
 979 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 980 #ifdef SUNOS_5
 981 #define _XPG4_2
 982 #define __EXTENSIONS__
 983 #endif
 984 #include <stdlib.h>
 985 #include <sys/types.h>
 986 #include <sys/socket.h>
 987
 988 main()
 989 {
 990   struct msghdr msg;
 991   char buf[4];
 992
 993   msg.msg_control = buf;
 994   msg.msg_controllen = 0;
 995
 996   if (CMSG_FIRSTHDR(&msg) != NULL)
 997     exit(0);
 998   exit (1);
 999 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1000 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1001
1002 dnl ------------------------------
1003 dnl check kernel route read method
1004 dnl ------------------------------
1005 AC_CACHE_CHECK([route read method], [frr_cv_rtread_method],
1006 [if test "x$netlink" = xyes; then
1007   frr_cv_rtread_method="netlink"
1008 else
1009 for frr_cv_rtread_method in /dev/ip /dev/null;
1010 do
1011   test x`ls $frr_cv_rtread_method 2>/dev/null` = x"$frr_cv_rtread_method" && break
1012 done
1013 case $frr_cv_rtread_method in
1014   "/dev/ip")
1015                      case "$host" in
1016                        *-freebsd*)    frr_cv_rtread_method="sysctl";;
1017                        *)             frr_cv_rtread_method="getmsg";;
1018                      esac;;
1019         *)
1020                      frr_cv_rtread_method="sysctl";;
1021 esac
1022 fi])
1023 RTREAD_METHOD=rtread_${frr_cv_rtread_method}.o
1024 AC_SUBST(RTREAD_METHOD)
1025
1026 dnl -----------------------------
1027 dnl check interface lookup method
1028 dnl -----------------------------
1029 IOCTL_METHOD=ioctl.o
1030 AC_MSG_CHECKING(interface looking up method)
1031 if test "$netlink" = yes; then
1032   AC_MSG_RESULT(netlink)
1033   IF_METHOD=if_netlink.o
1034 elif test "$opsys" = "sol2-6";then
1035   AC_MSG_RESULT(Solaris GIF)
1036   IF_METHOD=if_ioctl.o
1037 elif test "$opsys" = "sol8";then
1038   AC_MSG_RESULT(Solaris GLIF)
1039   IF_METHOD=if_ioctl_solaris.o
1040   IOCTL_METHOD=ioctl_solaris.o
1041 elif test "$opsys" = "openbsd";then
1042   AC_MSG_RESULT(openbsd)
1043   IF_METHOD=if_ioctl.o
1044 elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
1045   AC_MSG_RESULT(sysctl)
1046     IF_METHOD=if_sysctl.o
1047     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
1048 else
1049     AC_MSG_RESULT(ioctl)
1050     IF_METHOD=if_ioctl.o
1051 fi
1052 AC_SUBST(IF_METHOD)
1053 AC_SUBST(IOCTL_METHOD)
1054
1055 dnl ---------------------------------------------------------------
1056 dnl figure out how to specify an interface in multicast sockets API
1057 dnl ---------------------------------------------------------------
1058 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1059
1060 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1061         #include <sys/socket.h>
1062         #include <netinet/in.h>
1063         #define _LINUX_IN_H             /* For Linux <= 2.6.25 */
1064         #include <linux/types.h>
1065 ])
1066
1067 m4_define([FRR_INCLUDES],
1068 FRR_INCLUDES
1069 [#if HAVE_LINUX_MROUTE_H
1070 # include <linux/mroute.h>
1071 #endif
1072 ])dnl
1073
1074 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1075         #include <sys/socket.h>
1076         #include <sys/types.h>
1077         #include <netinet/in.h>
1078         #include <net/route.h>
1079 ])
1080
1081 m4_define([FRR_INCLUDES],
1082 FRR_INCLUDES
1083 [#if HAVE_NETINET_IP_MROUTE_H
1084 # include <netinet/ip_mroute.h>
1085 #endif
1086 ])dnl
1087
1088 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1089 AC_TRY_COMPILE([#include <sys/param.h>],
1090 [#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)
1091   return (0);
1092 #else
1093   #error No support for BSD struct ip_mreq hack detected
1094 #endif],[AC_MSG_RESULT(yes)
1095 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1096 AC_MSG_RESULT(no))
1097
1098 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1099 AC_TRY_COMPILE([
1100 #include <sys/types.h>
1101 #include <netinet/in.h>
1102 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1103 ], [AC_MSG_RESULT(yes)
1104 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1105 AC_MSG_RESULT(no))
1106
1107 dnl ---------------------------------------------------------------
1108 dnl figure out how to check link-state
1109 dnl ---------------------------------------------------------------
1110 AC_CHECK_HEADER( [net/if_media.h],
1111   [m4_define([LINK_DETECT_INCLUDES],
1112     FRR_INCLUDES
1113     [#include <net/if_media.h>
1114   ])
1115   AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1116     AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1117     [], LINK_DETECT_INCLUDES)],
1118   [],
1119   FRR_INCLUDES)
1120
1121 dnl ---------------------------------------------------------------
1122 dnl Additional, newer way to check link-state using ifi_link_state.
1123 dnl Not available in all BSD's when ifmediareq available
1124 dnl ---------------------------------------------------------------
1125 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1126   AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1127   [], FRR_INCLUDES)
1128
1129 dnl ------------------------
1130 dnl TCP_MD5SIG socket option
1131 dnl ------------------------
1132
1133 AC_CHECK_HEADER([netinet/tcp.h],
1134    [m4_define([MD5_INCLUDES],
1135       FRR_INCLUDES
1136       [#include <netinet/tcp.h>
1137     ])
1138     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1139    [],
1140    FRR_INCLUDES)
1141 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1142   AC_CHECK_HEADER([linux/tcp.h],
1143        [m4_define([MD5_INCLUDES],
1144           FRR_INCLUDES
1145           [#include <linux/tcp.h>
1146         ])
1147        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1148 fi
1149
1150 dnl -----------------------------
1151 dnl check ipforward detect method
1152 dnl -----------------------------
1153 AC_CACHE_CHECK([ipforward method], [frr_cv_ipforward_method],
1154 [if test x$cross_compiling = xyes; then
1155   if test x"$opsys" = x"gnu-linux"; then
1156     frr_cv_ipforward_method=/proc/net/snmp
1157   else
1158     frr_cv_ipforward_method=/dev/ip
1159   fi
1160 else
1161   for frr_cv_ipforward_method in /proc/net/snmp /dev/ip /dev/null;
1162   do
1163     test x`ls $frr_cv_ipforward_method 2>/dev/null` = x"$frr_cv_ipforward_method" && break
1164   done
1165 fi
1166 case $frr_cv_ipforward_method in
1167   "/proc/net/snmp")  frr_cv_ipforward_method="proc";;
1168   "/dev/ip")
1169                      case "$host" in
1170                        *-freebsd*)    frr_cv_ipforward_method="sysctl";;
1171                        *)             frr_cv_ipforward_method="solaris";;
1172                      esac;;
1173   *)                 frr_cv_ipforward_method="sysctl";;
1174 esac])
1175 IPFORWARD=ipforward_${frr_cv_ipforward_method}.o
1176 AC_SUBST(IPFORWARD)
1177
1178 dnl ----------------------------------------------------------------------------
1179 dnl figure out if domainname is available in the utsname struct (GNU extension).
1180 dnl ----------------------------------------------------------------------------
1181 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1182
1183 dnl ----------
1184 dnl IPv6 check
1185 dnl ----------
1186 AC_MSG_CHECKING(whether does this OS have IPv6 stack)
1187 dnl ---------
1188 dnl KAME IPv6
1189 dnl ---------
1190   if grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
1191     AC_DEFINE(KAME,1,KAME IPv6)
1192     AC_MSG_RESULT(KAME)
1193 dnl ------------------------------------
1194 dnl Solaris 9, 10 and potentially higher
1195 dnl ------------------------------------
1196   elif test x"$opsys" = x"sol8"; then
1197     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
1198     AC_MSG_RESULT(Solaris IPv6)
1199 dnl ----------
1200 dnl Linux IPv6
1201 dnl ----------
1202   elif test x"$opsys" = x"gnu-linux"; then
1203     AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
1204     dnl Linux has a compilation problem with mixing
1205     dnl netinet/in.h and linux/in6.h they are not
1206     dnl compatible.  There has been discussion on
1207     dnl how to fix it but no real progress on implementation
1208     dnl when they fix it, remove this
1209     AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
1210     AC_MSG_RESULT(Linux IPv6)
1211   else
1212     AC_MSG_ERROR([Failed to detect IPv6 stack])
1213   fi
1214
1215 dnl ------------------
1216 dnl IPv6 header checks
1217 dnl ------------------
1218 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1219         netinet6/in6_var.h netinet6/nd6.h], [], [],
1220         FRR_INCLUDES)
1221
1222 m4_define([FRR_INCLUDES],dnl
1223 FRR_INCLUDES
1224 [#if HAVE_NETINET6_IN6_H
1225 #include <netinet6/in6.h>
1226 #endif
1227 #if HAVE_NETINET_IN6_VAR_H
1228 #include <netinet/in6_var.h>
1229 #endif
1230 #include <netinet/icmp6.h>
1231 #if HAVE_NETINET6_IN6_VAR_H
1232 # include <netinet6/in6_var.h>
1233 #endif
1234 #if HAVE_NETINET6_ND6_H
1235 # include <netinet6/nd6.h>
1236 #endif
1237 ])dnl
1238
1239 dnl disable doc check
1240 if test "${enable_doc}" = "no";then
1241   DOC=""
1242 else
1243   DOC="doc"
1244 fi
1245
1246 dnl --------------------
1247 dnl Daemon disable check
1248 dnl --------------------
1249 if test "${enable_zebra}" = "no";then
1250   ZEBRA=""
1251 else
1252   ZEBRA="zebra"
1253 fi
1254 AM_CONDITIONAL(ZEBRA, test "x$ZEBRA" = "xzebra")
1255
1256 if test "${enable_bgpd}" = "no";then
1257   BGPD=""
1258 else
1259   BGPD="bgpd"
1260 fi
1261 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1262
1263 if test "${enable_ripd}" = "no";then
1264   RIPD=""
1265 else
1266   RIPD="ripd"
1267 fi
1268 AM_CONDITIONAL(RIPD, test "x$RIPD" = "xripd")
1269
1270 if test "${enable_ospfd}" = "no";then
1271   OSPFD=""
1272 else
1273   OSPFD="ospfd"
1274 fi
1275 AM_CONDITIONAL(OSPFD, test "x$OSPFD" = "xospfd")
1276
1277 if test "${enable_ldpd}" = "no";then
1278   LDPD=""
1279 else
1280   AX_PROG_PERL_MODULES(XML::LibXML, , [
1281     if test -f "${srcdir}/ldpd/ldp_vty_cmds.c"; then
1282       AC_MSG_WARN([XML::LibXML perl module not found, using pregenerated ldp_vty_cmds.c])
1283     else
1284       AC_MSG_ERROR([XML::LibXML perl module not found and pregenerated ldp_vty_cmds.c missing])
1285     fi
1286   ])
1287
1288   LDPD="ldpd"
1289   AC_DEFINE(HAVE_LDPD, 1, ldpd)
1290 fi
1291 AM_CONDITIONAL(LDPD, test "x$LDPD" = "xldpd")
1292
1293 NHRPD=""
1294 if test "$opsys" = "gnu-linux"; then
1295   if test "${enable_nhrpd}" != "no"; then
1296     NHRPD="nhrpd"
1297   fi
1298 else
1299   if test "${enable_nhrpd}" = "yes"; then
1300     AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1301   fi
1302 fi
1303 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1304
1305 if test "${enable_eigrpd}" = "no";then
1306   EIGRPD=""
1307 else
1308   EIGRPD="eigrpd"
1309 fi
1310 AM_CONDITIONAL(EIGRPD, test "x$EIGRPD" = "xeigrpd")
1311
1312 if test "${enable_watchfrr}" = "no";then
1313   WATCHFRR=""
1314 else
1315   WATCHFRR="watchfrr"
1316 fi
1317 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1318
1319 OSPFCLIENT=""
1320 if test "${enable_ospfapi}" != "no";then
1321     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1322
1323   if test "${enable_ospfclient}" != "no";then
1324       OSPFCLIENT="ospfclient"
1325   fi
1326 fi
1327
1328 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1329
1330 case "${enable_ripngd}" in
1331   "no" ) RIPNGD="";;
1332   *    ) RIPNGD="ripngd";;
1333 esac
1334 AM_CONDITIONAL(RIPNGD, test "x$RIPNGD" = "xripngd")
1335
1336 case "${enable_ospf6d}" in
1337   "no" ) OSPF6D="";;
1338   *    ) OSPF6D="ospf6d";;
1339 esac
1340 AM_CONDITIONAL(OSPF6D, test "x$OSPF6D" = "xospf6d")
1341
1342 case "${enable_isisd}" in
1343   "no" ) ISISD="";;
1344   *    ) ISISD="isisd";;
1345 esac
1346 AM_CONDITIONAL(ISISD, test "x$ISISD" = "xisisd")
1347
1348 case "${enable_pimd}" in
1349   "no" ) PIMD="";;
1350   *    ) PIMD="pimd";;
1351 esac
1352 AM_CONDITIONAL(PIMD, test "x$PIMD" = "xpimd")
1353
1354 if test "${enable_bgp_announce}" = "no";then
1355   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1356 else
1357   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1358 fi
1359
1360 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1361   with_rfp_path="bgpd/rfp-example"
1362 fi
1363 if test "${with_rfp_path}" != "no"; then
1364   VNC_RFP_PATH="${with_rfp_path}"
1365   AC_SUBST(VNC_RFP_PATH)
1366 fi
1367
1368 if test "${enable_bgp_vnc}" != "no";then
1369   AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1370   RFPTEST="${with_rfp_path}/rfptest"
1371   LIBRFP="${with_rfp_path}/librfp"
1372   RFPINC="${with_rfp_path}/librfp"
1373 else
1374   RFPTEST=
1375   LIBRFP=
1376   RFPINC="bgpd/rfp-example/librfp"
1377 fi
1378 # set
1379 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1380
1381 AC_SUBST(DOC)
1382 AC_SUBST(ZEBRA)
1383 AC_SUBST(RFPTEST)
1384 AC_SUBST(LIBRFP)
1385 AC_SUBST(RFPINC)
1386 AC_SUBST(BGPD)
1387 AC_SUBST(RIPD)
1388 AC_SUBST(RIPNGD)
1389 AC_SUBST(OSPFD)
1390 AC_SUBST(OSPF6D)
1391 AC_SUBST(LDPD)
1392 AC_SUBST(NHRPD)
1393 AC_SUBST(EIGRPD)
1394 AC_SUBST(WATCHFRR)
1395 AC_SUBST(ISISD)
1396 AC_SUBST(PIMD)
1397 AC_SUBST(SOLARIS)
1398 AC_SUBST(VTYSH)
1399 AC_SUBST(CURSES)
1400 AC_SUBST(OSPFCLIENT)
1401 AC_SUBST(OSPFAPI)
1402 AC_CHECK_LIB(crypt, crypt)
1403 AC_CHECK_LIB(resolv, res_init)
1404
1405 dnl ---------------------------
1406 dnl check system has PCRE regexp
1407 dnl ---------------------------
1408 if test "x$enable_pcreposix" = "xyes"; then
1409   AC_CHECK_LIB(pcreposix, pcreposix_regexec, ,[enable_pcreposix=no
1410   AC_MSG_WARN([*** falling back to other regex library ***]) ])
1411 fi
1412 AC_SUBST(HAVE_LIBPCREPOSIX)
1413
1414 dnl ------------------
1415 dnl check C-Ares library
1416 dnl ------------------
1417 if test "${NHRPD}" != ""; then
1418    PKG_CHECK_MODULES([CARES], [libcares])
1419 fi
1420
1421
1422 dnl ------------------
1423 dnl check Net-SNMP library
1424 dnl ------------------
1425 if test "${enable_snmp}" != ""; then
1426    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1427    if test x"$NETSNMP_CONFIG" = x"no"; then
1428       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1429    fi
1430    SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1431    SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1432    AC_MSG_CHECKING([whether we can link to Net-SNMP])
1433    AC_LINK_IFELSE([AC_LANG_PROGRAM([
1434 int main(void);
1435 ],
1436 [
1437 {
1438   return 0;
1439 }
1440 ])],[AC_MSG_RESULT(yes)],[
1441      AC_MSG_RESULT(no)
1442      AC_MSG_ERROR([--enable-snmp given but not usable])])
1443    case "${enable_snmp}" in
1444      yes)
1445       SNMP_METHOD=agentx
1446       ;;
1447      smux|agentx)
1448       SNMP_METHOD="${enable_snmp}"
1449       ;;
1450      *)
1451       AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1452       ;;
1453    esac
1454    AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1455    AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1456    AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1457 fi
1458 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1459 AC_SUBST(SNMP_LIBS)
1460 AC_SUBST(SNMP_CFLAGS)
1461
1462 dnl ---------------
1463 dnl dlopen & dlinfo
1464 dnl ---------------
1465 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1466   AC_MSG_ERROR([unable to find the dlopen()])
1467 ])
1468
1469 AC_CHECK_HEADERS([link.h])
1470
1471 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1472 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1473 #include <stdlib.h>
1474 #ifdef HAVE_LINK_H
1475 #include <link.h>
1476 #endif
1477 #include <dlfcn.h>
1478 ]], [[
1479   char origin[1];
1480   dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1481 ]])], [
1482   AC_MSG_RESULT(yes)
1483   AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1484 ], [
1485   AC_MSG_RESULT(no)
1486 ])
1487
1488 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1489 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1490 #include <stdlib.h>
1491 #ifdef HAVE_LINK_H
1492 #include <link.h>
1493 #endif
1494 #include <dlfcn.h>
1495 ]], [[
1496   struct link_map *lm = NULL;
1497   dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1498 ]])], [
1499   AC_MSG_RESULT(yes)
1500   AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1501 ], [
1502   AC_MSG_RESULT(no)
1503 ])
1504
1505
1506 dnl ---------------------------
1507 dnl sockaddr and netinet checks
1508 dnl ---------------------------
1509 AC_CHECK_TYPES([
1510         struct sockaddr_dl,
1511         struct vifctl, struct mfcctl, struct sioc_sg_req,
1512         vifi_t, struct sioc_vif_req, struct igmpmsg,
1513         struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1514         struct nd_opt_adv_interval, struct rt_addrinfo,
1515         struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1516         [], [], FRR_INCLUDES)
1517
1518 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1519         struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1520         struct sockaddr_dl.sdl_len,
1521         struct if6_aliasreq.ifra_lifetime,
1522         struct nd_opt_adv_interval.nd_opt_ai_type],
1523         [], [], FRR_INCLUDES)
1524
1525 dnl ---------------------------
1526 dnl IRDP/pktinfo/icmphdr checks
1527 dnl ---------------------------
1528 AC_CHECK_TYPES([struct in_pktinfo],
1529  [AC_CHECK_TYPES([struct icmphdr],
1530    [if test "${enable_irdp}" != "no"; then
1531       AC_DEFINE(HAVE_IRDP,, IRDP)
1532     fi],
1533    [if test "${enable_irdp}" = "yes"; then
1534       AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1535     fi], [FRR_INCLUDES])],
1536  [if test "${enable_irdp}" = "yes"; then
1537     AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1538   fi], [FRR_INCLUDES])
1539
1540 dnl -----------------------
1541 dnl checking for IP_PKTINFO
1542 dnl -----------------------
1543 AC_MSG_CHECKING(for IP_PKTINFO)
1544 AC_TRY_COMPILE([#include <netdb.h>], [
1545   int opt = IP_PKTINFO;
1546 ], [
1547   AC_MSG_RESULT(yes)
1548   AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1549 ], [
1550   AC_MSG_RESULT(no)
1551 ])
1552
1553 dnl ---------------------------
1554 dnl checking for IP_RECVDSTADDR
1555 dnl ---------------------------
1556 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1557 AC_TRY_COMPILE([#include <netinet/in.h>], [
1558   int opt = IP_RECVDSTADDR;
1559 ], [
1560   AC_MSG_RESULT(yes)
1561   AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1562 ], [
1563   AC_MSG_RESULT(no)
1564 ])
1565
1566 dnl ----------------------
1567 dnl checking for IP_RECVIF
1568 dnl ----------------------
1569 AC_MSG_CHECKING(for IP_RECVIF)
1570 AC_TRY_COMPILE([#include <netinet/in.h>], [
1571   int opt = IP_RECVIF;
1572 ], [
1573   AC_MSG_RESULT(yes)
1574   AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1575 ], [
1576   AC_MSG_RESULT(no)
1577 ])
1578
1579 dnl ----------------------
1580 dnl checking for SO_BINDANY
1581 dnl ----------------------
1582 AC_MSG_CHECKING(for SO_BINDANY)
1583 AC_TRY_COMPILE([#include <sys/socket.h>], [
1584   int opt = SO_BINDANY;
1585 ], [
1586   AC_MSG_RESULT(yes)
1587   AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1588 ], [
1589   AC_MSG_RESULT(no)
1590 ])
1591
1592 dnl ----------------------
1593 dnl checking for IP_FREEBIND
1594 dnl ----------------------
1595 AC_MSG_CHECKING(for IP_FREEBIND)
1596 AC_TRY_COMPILE([#include <netinet/in.h>], [
1597   int opt = IP_FREEBIND;
1598 ], [
1599   AC_MSG_RESULT(yes)
1600   AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1601 ], [
1602   AC_MSG_RESULT(no)
1603 ])
1604
1605 dnl --------------------------------------
1606 dnl checking for be32dec existence or not
1607 dnl --------------------------------------
1608 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1609                [#include <sys/endian.h>])
1610
1611 dnl --------------------------------------
1612 dnl checking for clock_time monotonic struct and call
1613 dnl --------------------------------------
1614 AC_CHECK_DECL(CLOCK_MONOTONIC,
1615         [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1616          AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1617 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1618
1619 dnl --------------------------------------
1620 dnl checking for flex and bison
1621 dnl --------------------------------------
1622
1623 AM_PROG_LEX
1624 AC_MSG_CHECKING(version of flex)
1625 quagga_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1626 quagga_ac_flex_version="${quagga_ac_flex_version##* }"
1627 AC_MSG_RESULT([$quagga_ac_flex_version])
1628 AX_COMPARE_VERSION([$quagga_ac_flex_version], [lt], [2.5.20], [
1629   LEX="$SHELL $missing_dir/missing flex"
1630   if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1631     AC_MSG_WARN([using pregenerated flex output files])
1632   else
1633     AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1634   fi
1635   AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1636   AC_SUBST([LEXLIB], [''])
1637 ])
1638
1639 AC_PROG_YACC
1640 dnl thanks GNU bison for this b*llshit...
1641 AC_MSG_CHECKING(version of bison)
1642 quagga_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1643 quagga_ac_bison_version="${quagga_ac_bison_version##* }"
1644 quagga_ac_bison_missing="false"
1645 case "x${quagga_ac_bison_version}" in
1646   x2.7*)
1647     BISON_OPENBRACE='"'
1648     BISON_CLOSEBRACE='"'
1649     BISON_VERBOSE=''
1650     AC_MSG_RESULT([$quagga_ac_bison_version - 2.7 or older])
1651     ;;
1652   x2.*|x1.*)
1653     AC_MSG_RESULT([$quagga_ac_bison_version])
1654     AC_MSG_WARN([installed bison is too old.  Please install GNU bison 2.7.x or newer.])
1655     quagga_ac_bison_missing="true"
1656     ;;
1657   x)
1658     AC_MSG_RESULT([none])
1659     AC_MSG_WARN([could not determine bison version.  Please install GNU bison 2.7.x or newer.])
1660     quagga_ac_bison_missing="true"
1661     ;;
1662   *)
1663     BISON_OPENBRACE='{'
1664     BISON_CLOSEBRACE='}'
1665     BISON_VERBOSE='-Dparse.error=verbose'
1666     AC_MSG_RESULT([$quagga_ac_bison_version - 3.0 or newer])
1667     ;;
1668 esac
1669 AC_SUBST(BISON_OPENBRACE)
1670 AC_SUBST(BISON_CLOSEBRACE)
1671 AC_SUBST(BISON_VERBOSE)
1672
1673 if $quagga_ac_bison_missing; then
1674   YACC="$SHELL $missing_dir/missing bison -y"
1675   if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1676     AC_MSG_WARN([using pregenerated bison output files])
1677   else
1678     AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1679   fi
1680 fi
1681
1682 dnl -------------------
1683 dnl capabilities checks
1684 dnl -------------------
1685 if test "${enable_capabilities}" != "no"; then
1686   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1687   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1688     [AC_MSG_RESULT(yes)
1689      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1690      frr_ac_keepcaps="yes"],
1691      AC_MSG_RESULT(no)
1692   )
1693   if test x"${frr_ac_keepcaps}" = x"yes"; then
1694     AC_CHECK_HEADERS(sys/capability.h)
1695   fi
1696   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1697     AC_CHECK_LIB(cap, cap_init,
1698       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1699        LIBCAP="-lcap"
1700        frr_ac_lcaps="yes"]
1701     )
1702   else
1703     AC_CHECK_HEADERS(priv.h,
1704      [AC_MSG_CHECKING(Solaris style privileges are available)
1705       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1706           [AC_MSG_RESULT(yes)
1707            AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1708            frr_ac_scaps="yes"],
1709            AC_MSG_RESULT(no)
1710       )
1711      ]
1712    )
1713   fi
1714   if test x"${frr_ac_scaps}" = x"yes" \
1715        -o x"${frr_ac_lcaps}" = x"yes"; then
1716     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1717   fi
1718 fi
1719 AC_SUBST(LIBCAP)
1720
1721 dnl ---------------------------
1722 dnl check for glibc 'backtrace'
1723 dnl ---------------------------
1724 if test x"${enable_backtrace}" != x"no" ; then
1725   backtrace_ok=no
1726   AC_CHECK_HEADER([execinfo.h], [
1727     AC_SEARCH_LIBS([backtrace], [execinfo], [
1728       AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1729       AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1730       backtrace_ok=yes
1731     ],, [-lm])
1732   ])
1733
1734   if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1735     dnl user explicitly requested backtrace but we failed to find support
1736     AC_MSG_FAILURE([failed to find backtrace support])
1737   fi
1738 fi
1739
1740 dnl -----------------------------------------
1741 dnl check for malloc mallinfo struct and call
1742 dnl this must try and link using LIBS, in
1743 dnl order to check no alternative allocator
1744 dnl has been specified, which might not provide
1745 dnl mallinfo, e.g. such as Umem on Solaris.
1746 dnl -----------------------------------------
1747 AC_CHECK_HEADER([malloc.h],
1748  [AC_MSG_CHECKING(whether mallinfo is available)
1749   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1750                         [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1751       [AC_MSG_RESULT(yes)
1752        AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1753        AC_MSG_RESULT(no)
1754   )
1755  ], [], FRR_INCLUDES)
1756
1757 dnl ----------
1758 dnl configure date
1759 dnl ----------
1760 CONFDATE=`date '+%Y%m%d'`
1761 AC_SUBST(CONFDATE)
1762
1763 dnl ------------------------------
1764 dnl set paths for state directory
1765 dnl ------------------------------
1766 AC_MSG_CHECKING(directory to use for state file)
1767 if test "${prefix}" = "NONE"; then
1768   frr_statedir_prefix="";
1769 else
1770   frr_statedir_prefix=${prefix}
1771 fi
1772 if test "${localstatedir}" = '${prefix}/var'; then
1773   for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1774                         ${frr_statedir_prefix}/var/adm dnl
1775                         ${frr_statedir_prefix}/etc dnl
1776                         /var/run        dnl
1777                         /var/adm        dnl
1778                         /etc            dnl
1779                         /dev/null;
1780   do
1781     test -d $FRR_STATE_DIR && break
1782   done
1783   frr_statedir=$FRR_STATE_DIR
1784 else
1785   frr_statedir=${localstatedir}
1786 fi
1787 if test $frr_statedir = "/dev/null"; then
1788     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1789 fi
1790 AC_MSG_RESULT(${frr_statedir})
1791 AC_SUBST(frr_statedir)
1792
1793 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1794 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1795 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1796
1797 dnl autoconf does this, but it does it too late...
1798 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1799 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1800
1801 dnl get the full path, recursing through variables...
1802 vtysh_bin="$bindir/vtysh"
1803 for I in 1 2 3 4 5 6 7 8 9 10; do
1804         eval vtysh_bin="\"$vtysh_bin\""
1805 done
1806 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1807
1808 CFG_SYSCONF="$sysconfdir"
1809 CFG_SBIN="$sbindir"
1810 CFG_STATE="$frr_statedir"
1811 CFG_MODULE="$moduledir"
1812 for I in 1 2 3 4 5 6 7 8 9 10; do
1813         eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1814         eval CFG_SBIN="\"$CFG_SBIN\""
1815         eval CFG_STATE="\"$CFG_STATE\""
1816         eval CFG_MODULE="\"$CFG_MODULE\""
1817 done
1818 AC_SUBST(CFG_SYSCONF)
1819 AC_SUBST(CFG_SBIN)
1820 AC_SUBST(CFG_STATE)
1821 AC_SUBST(CFG_MODULE)
1822 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1823
1824 dnl ---------------------------
1825 dnl Check htonl works correctly
1826 dnl ---------------------------
1827 AC_MSG_CHECKING(for working htonl)
1828 AC_CACHE_VAL(ac_cv_htonl_works,
1829  [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1830                 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1831  ]
1832 )
1833 AC_MSG_RESULT($ac_cv_htonl_works)
1834
1835 AC_CONFIG_FILES([Makefile lib/Makefile qpb/Makefile zebra/Makefile ripd/Makefile
1836           ripngd/Makefile bgpd/Makefile ospfd/Makefile watchfrr/Makefile
1837           ospf6d/Makefile ldpd/Makefile isisd/Makefile vtysh/Makefile
1838           doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
1839           pimd/Makefile
1840           eigrpd/Makefile
1841           nhrpd/Makefile
1842           redhat/Makefile
1843           tools/Makefile
1844           cumulus/Makefile
1845           pkgsrc/Makefile
1846           fpm/Makefile
1847           redhat/frr.spec
1848           snapcraft/Makefile
1849           snapcraft/snapcraft.yaml
1850           lib/version.h
1851           tests/lib/cli/test_cli.refout
1852           doc/defines.texi
1853           doc/bgpd.8
1854           doc/isisd.8
1855           doc/ospf6d.8
1856           doc/ospfclient.8
1857           doc/ospfd.8
1858           doc/ldpd.8
1859           doc/ripd.8
1860           doc/ripngd.8
1861           doc/pimd.8
1862           doc/nhrpd.8
1863           doc/vtysh.1
1864           doc/watchfrr.8
1865           doc/zebra.8
1866           doc/frr.1
1867           pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1868           pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
1869           pkgsrc/eigrpd.sh])
1870
1871 if test "${enable_bgp_vnc}" != "no"; then
1872    if test "${with_rfp_path}" = "bgpd/rfp-example" ; then
1873      AC_CONFIG_FILES([bgpd/rfp-example/rfptest/Makefile bgpd/rfp-example/librfp/Makefile])
1874    else
1875      AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1876    fi
1877 fi
1878
1879 AC_CONFIG_FILES([solaris/Makefile])
1880
1881 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1882
1883 ## Hack, but working solution to avoid rebuilding of quagga.info.
1884 ## It's already in CVS until texinfo 4.7 is more common.
1885 AC_OUTPUT
1886
1887 echo "
1888 FRRouting configuration
1889 ------------------------------
1890 FRR version             : ${PACKAGE_VERSION}
1891 host operating system   : ${host_os}
1892 source code location    : ${srcdir}
1893 compiler                : ${CC}
1894 compiler flags          : ${CFLAGS}
1895 make                    : ${MAKE-make}
1896 linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
1897 state file directory    : ${frr_statedir}
1898 config file directory   : `eval echo \`echo ${sysconfdir}\``
1899 example directory       : `eval echo \`echo ${exampledir}\``
1900 module directory        : ${CFG_MODULE}
1901 user to run as          : ${enable_user}
1902 group to run as         : ${enable_group}
1903 group for vty sockets   : ${enable_vty_group}
1904 config file mask        : ${enable_configfile_mask}
1905 log file mask           : ${enable_logfile_mask}
1906 zebra protobuf enabled  : ${have_protobuf:-no}
1907
1908 The above user and group must have read/write access to the state file
1909 directory and to the config files in the config file directory."