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$withval" != "xno" && with_pkg_git_version="yes" ])
 231 AC_ARG_WITH(vtysh_pager,
 232         AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
 233         VTYSH_PAGER=$withval, VTYSH_PAGER="more")
 234 AC_ARG_ENABLE(vtysh,
 235   AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for Quagga]))
 236 AC_ARG_ENABLE(doc,
 237   AS_HELP_STRING([--disable-doc], [do not build docs]))
 238 AC_ARG_ENABLE(zebra,
 239   AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
 240 AC_ARG_ENABLE(bgpd,
 241   AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
 242 AC_ARG_ENABLE(ripd,
 243   AS_HELP_STRING([--disable-ripd], [do not build ripd]))
 244 AC_ARG_ENABLE(ripngd,
 245   AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
 246 AC_ARG_ENABLE(ospfd,
 247   AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
 248 AC_ARG_ENABLE(ospf6d,
 249   AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
 250 AC_ARG_ENABLE(ldpd,
 251   AS_HELP_STRING([--enable-ldpd], [build ldpd]))
 252 AC_ARG_ENABLE(nhrpd,
 253   AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
 254 AC_ARG_ENABLE(eigrpd,
 255   AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
 256 AC_ARG_ENABLE(watchfrr,
 257   AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
 258 AC_ARG_ENABLE(isisd,
 259   AS_HELP_STRING([--disable-isisd], [do not build isisd]))
 260 AC_ARG_ENABLE(pimd,
 261   AS_HELP_STRING([--disable-pimd], [do not build pimd]))
 262 AC_ARG_ENABLE(bgp-announce,
 263   AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
 264 AC_ARG_ENABLE(bgp-vnc,
 265   AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
 266 AC_ARG_WITH(rfp-path,
 267   AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
 268 AC_ARG_ENABLE(snmp,
 269   AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
 270 AC_ARG_WITH(libpam,
 271   AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
 272 AC_ARG_ENABLE(tcp-zebra,
 273   AS_HELP_STRING([--enable-tcp-zebra], [enable TCP/IP socket connection between zebra and protocol daemon]))
 274 AC_ARG_ENABLE(ospfapi,
 275   AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
 276 AC_ARG_ENABLE(ospfclient,
 277   AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
 278                           (this is the default if --disable-ospfapi is set)]))
 279 AC_ARG_ENABLE(multipath,
 280   AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
 281 AC_ARG_ENABLE(user,
 282   AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
 283 AC_ARG_ENABLE(group,
 284   AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
 285 AC_ARG_ENABLE(vty_group,
 286   AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
 287 AC_ARG_ENABLE(configfile_mask,
 288   AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
 289 AC_ARG_ENABLE(logfile_mask,
 290   AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
 291 AC_ARG_ENABLE(shell_access,
 292   AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
 293 AC_ARG_ENABLE(rtadv,
 294   AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
 295 AC_ARG_ENABLE(irdp,
 296   AS_HELP_STRING([--enable-irdp], [enable IRDP server support in zebra]))
 297 AC_ARG_ENABLE(capabilities,
 298   AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
 299 AC_ARG_ENABLE(rusage,
 300   AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
 301 AC_ARG_ENABLE(gcc_ultra_verbose,
 302   AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
 303 AC_ARG_ENABLE(linux24_tcp_md5,
 304   AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
 305 AC_ARG_ENABLE(backtrace,
 306   AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
 307 AC_ARG_ENABLE(time-check,
 308   AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
 309 AC_ARG_ENABLE(pcreposix,
 310   AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
 311 AC_ARG_ENABLE(fpm,
 312   AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
 313 AC_ARG_ENABLE(systemd,
 314   AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
 315 AC_ARG_ENABLE(poll,
 316   AS_HELP_STRING([--enable-poll], [enable usage of Poll instead of select]))
 317 AC_ARG_ENABLE(werror,
 318   AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
 319 AC_ARG_ENABLE(cumulus,
 320   AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
 321 AC_ARG_ENABLE(datacenter,
 322   AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
 323 AC_ARG_ENABLE(rr-semantics,
 324   AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
 325 AC_ARG_ENABLE([protobuf],
 326   AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
 327 AC_ARG_ENABLE([oldvpn_commands],
 328   AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
 329
 330 AC_CHECK_HEADERS(json-c/json.h)
 331 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c")
 332 if test $ac_cv_lib_json_c_json_object_get = no; then
 333   AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
 334   if test $ac_cv_lib_json_json_object_get = no; then
 335       AC_MSG_ERROR([lib json is needed to compile])
 336   fi
 337 fi
 338
 339 AC_ARG_ENABLE([dev_build],
 340     AS_HELP_STRING([--enable-dev-build], [build for development]))
 341
 342 if test x"${enable_time_check}" != x"no" ; then
 343   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
 344     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
 345   else
 346     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
 347   fi
 348 fi
 349
 350 case "${enable_systemd}" in
 351   "no") ;;
 352   "yes")
 353   AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
 354   if test $ac_cv_lib_systemd_sd_notify = no; then
 355     AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
 356   else
 357     AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
 358   fi
 359   ;;
 360   "*") ;;
 361 esac
 362
 363 if test "${enable_rr_semantics}" != "no" ; then
 364   AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
 365 fi
 366
 367 if test "${enable_poll}" = "yes" ; then
 368   AC_DEFINE(HAVE_POLL_CALL,,Compile systemd support in)
 369 fi
 370
 371 dnl ----------
 372 dnl MPLS check
 373 dnl ----------
 374 AC_MSG_CHECKING(whether this OS has MPLS stack)
 375 case "$host" in
 376   *-linux*)
 377       MPLS_METHOD="zebra_mpls_netlink.o zebra_mpls.o"
 378       AC_MSG_RESULT(Linux MPLS)
 379   ;;
 380   *-openbsd*)
 381       MPLS_METHOD="zebra_mpls_openbsd.o zebra_mpls.o"
 382       AC_MSG_RESULT(OpenBSD MPLS)
 383   ;;
 384   *)
 385       MPLS_METHOD="zebra_mpls_null.o"
 386       AC_MSG_RESULT(Unsupported kernel)
 387   ;;
 388 esac
 389 AC_SUBST(MPLS_METHOD)
 390
 391 if test "${enable_datacenter}" = "yes" ; then
 392   AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
 393   DFLT_NAME="datacenter"
 394 else
 395   DFLT_NAME="traditional"
 396 fi
 397
 398 if test "${enable_cumulus}" = "yes" ; then
 399   AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
 400 fi
 401
 402 AC_SUBST(DFLT_NAME)
 403 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
 404
 405 if test "${enable_shell_access}" = "yes"; then
 406    AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
 407 fi
 408
 409 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
 410
 411 if test "x${enable_dev_build}" = "xyes"; then
 412    AC_DEFINE(DEV_BUILD,,Build for development)
 413 fi
 414 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
 415
 416 #
 417 # Logic for protobuf support.
 418 #
 419 if test "$enable_protobuf" = "yes"; then
 420    have_protobuf=yes
 421
 422    # Check for protoc-c
 423    AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
 424    if test "x$PROTOC_C" = "x/bin/false"; then
 425       have_protobuf=no
 426    else
 427       found_protobuf_c=no
 428       PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
 429                      [found_protobuf_c=yes],
 430                      [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
 431
 432       if test "x$found_protobuf_c" = "xyes"; then
 433          LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
 434          CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
 435       else
 436         AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
 437                         [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
 438       fi
 439    fi
 440 fi
 441
 442 #
 443 # Logic for old vpn commans support.
 444 #
 445 if test "$enable_oldvpn_commands" = "yes"; then
 446    AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
 447 fi
 448
 449 # Fail if the user explicity enabled protobuf support and we couldn't
 450 # find the compiler or libraries.
 451 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
 452    AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
 453 fi
 454
 455 if test "x$have_protobuf" = "xyes"; then
 456    AC_DEFINE(HAVE_PROTOBUF,, protobuf)
 457 fi
 458
 459 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
 460
 461 #
 462 # End of logic for protobuf support.
 463 #
 464
 465 if test "${enable_tcp_zebra}" = "yes"; then
 466   AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
 467 fi
 468
 469 if test "${enable_linux24_tcp_md5}" = "yes"; then
 470   AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
 471 fi
 472
 473 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
 474 if test "${enable_rtadv}" != "no"; then
 475   AC_MSG_RESULT(yes)
 476   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
 477 else
 478   AC_MSG_RESULT(no)
 479 fi
 480
 481 if test "${enable_irdp}" = "yes"; then
 482   AC_DEFINE(HAVE_IRDP,, IRDP )
 483 fi
 484
 485 if test x"${enable_user}" = x"no"; then
 486   enable_user=""
 487 else
 488   if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
 489     enable_user="frr"
 490   fi
 491   AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
 492 fi
 493
 494 if test x"${enable_group}" = x"no"; then
 495   enable_group=""
 496 else
 497   if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
 498     enable_group="frr"
 499   fi
 500   AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
 501 fi
 502
 503 if test x"${enable_vty_group}" = x"yes" ; then
 504   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 505 elif test x"${enable_vty_group}" != x""; then
 506   if test x"${enable_vty_group}" != x"no"; then
 507     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 508   fi
 509 fi
 510 AC_SUBST([enable_user])
 511 AC_SUBST([enable_group])
 512 AC_SUBST([enable_vty_group])
 513
 514 enable_configfile_mask=${enable_configfile_mask:-0600}
 515 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
 516
 517 enable_logfile_mask=${enable_logfile_mask:-0600}
 518 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
 519
 520 MPATH_NUM=1
 521
 522 case "${enable_multipath}" in
 523   0)
 524     MPATH_NUM=64
 525     ;;
 526   [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
 527     MPATH_NUM="${enable_multipath}"
 528     ;;
 529   "")
 530     ;;
 531   *)
 532     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
 533     ;;
 534 esac
 535
 536 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
 537
 538 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
 539
 540 dnl -----------------------------------
 541 dnl Add extra version string to package
 542 dnl name, string and version fields.
 543 dnl -----------------------------------
 544 if test "x${EXTRAVERSION}" != "x" ; then
 545   VERSION="${VERSION}${EXTRAVERSION}"
 546   PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
 547   AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
 548   PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
 549 fi
 550
 551 if test "x$with_pkg_git_version" = "xyes"; then
 552         if test -d "${srcdir}/.git"; then
 553                 AC_DEFINE(GIT_VERSION, [1], [include git version info])
 554         else    with_pkg_git_version="no"
 555                 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
 556         fi
 557 fi
 558 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
 559
 560 dnl ------------------------------------
 561 dnl Check C keywords and standard  types
 562 dnl ------------------------------------
 563 AC_C_CONST
 564 AC_C_INLINE
 565 AC_C_VOLATILE
 566 AC_HEADER_STDC
 567 dnl AC_TYPE_PID_T
 568 AC_TYPE_UID_T
 569 AC_TYPE_MODE_T
 570 AC_TYPE_SIZE_T
 571 AC_STRUCT_TM
 572
 573 dnl -------------------------
 574 dnl Check other header files.
 575 dnl -------------------------
 576 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
 577         linux/version.h asm/types.h \
 578         sys/cdefs.h])
 579
 580 ac_stdatomic_ok=false
 581 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
 582 AC_CHECK_HEADER([stdatomic.h],[
 583
 584   AC_MSG_CHECKING([whether _Atomic qualifier works])
 585   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 586 #include <stdatomic.h>
 587 int main(int argc, char **argv) {
 588   _Atomic int i = 0;
 589   return i;
 590 }
 591 ]])], [
 592     AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
 593     AC_MSG_RESULT([yes])
 594     ac_stdatomic_ok=true
 595   ], [
 596     AC_MSG_RESULT([no])
 597   ])
 598 ])
 599
 600 AS_IF([$ac_stdatomic_ok], [true], [
 601   AC_MSG_CHECKING([for __atomic_* builtins])
 602   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 603 int main(int argc, char **argv) {
 604   volatile int i = 1;
 605   __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
 606   return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
 607 }
 608 ]])], [
 609     AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
 610     AC_MSG_RESULT([yes])
 611   ], [
 612     AC_MSG_RESULT([no])
 613
 614     dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
 615     AC_MSG_CHECKING([for __sync_* builtins])
 616     AC_LINK_IFELSE([AC_LANG_SOURCE([[
 617 int main(int argc, char **argv) {
 618   volatile int i = 1;
 619   __sync_fetch_and_sub (&i, 1);
 620   return __sync_val_compare_and_swap (&i, 0, 1);
 621 }
 622 ]])], [
 623       AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
 624       AC_MSG_RESULT([yes])
 625
 626       AC_MSG_CHECKING([for __sync_swap builtin])
 627       AC_LINK_IFELSE([AC_LANG_SOURCE([[
 628 int main(int argc, char **argv) {
 629   volatile int i = 1;
 630   return __sync_swap (&i, 2);
 631 }
 632 ]])], [
 633         AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
 634         AC_MSG_RESULT([yes])
 635       ], [
 636         AC_MSG_RESULT([no])
 637       ])
 638
 639     ], [
 640       AC_MSG_RESULT([no])
 641       AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
 642     ])
 643   ])
 644 ])
 645
 646 dnl Utility macro to avoid retyping includes all the time
 647 m4_define([FRR_INCLUDES],
 648 [#ifdef SUNOS_5
 649 #define _XPG4_2
 650 #define __EXTENSIONS__
 651 #endif
 652 #include <stdio.h>
 653 #include <stdlib.h>
 654 #include <stddef.h>
 655 #include <sys/types.h>
 656 /* sys/conf.h depends on param.h on FBSD at least */
 657 #include <sys/param.h>
 658 /* Required for MAXSIG */
 659 #include <signal.h>
 660 #include <sys/socket.h>
 661 #ifdef __APPLE__
 662 # define __APPLE_USE_RFC_3542
 663 #endif
 664 #include <netinet/in.h>
 665 #include <sys/time.h>
 666 #include <time.h>
 667 #include <net/if.h>
 668 ])dnl
 669
 670 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
 671 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
 672 dnl an additional round for it.
 673
 674 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
 675
 676 m4_define([FRR_INCLUDES],
 677 FRR_INCLUDES
 678 [#if HAVE_NET_IF_VAR_H
 679 # include <net/if_var.h>
 680 #endif
 681 ])dnl
 682
 683 AC_CHECK_HEADERS([netinet/in_var.h \
 684         net/if_dl.h net/netopt.h \
 685         inet/nd.h netinet/ip_icmp.h \
 686         sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
 687         [], [], FRR_INCLUDES)
 688
 689 AC_CHECK_HEADERS([ucontext.h], [], [],
 690 [#ifndef __USE_GNU
 691 #define __USE_GNU
 692 #endif /* __USE_GNU */
 693 FRR_INCLUDES
 694 ])
 695
 696 m4_define([UCONTEXT_INCLUDES],
 697 [#include <ucontext.h>])dnl
 698
 699 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
 700   [], [], [UCONTEXT_INCLUDES])
 701 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
 702   [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
 703    [], [], [UCONTEXT_INCLUDES])],
 704   [], [UCONTEXT_INCLUDES])
 705 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
 706   [], [], [UCONTEXT_INCLUDES])
 707
 708 m4_define([FRR_INCLUDES],
 709 FRR_INCLUDES
 710 [
 711 #include <sys/un.h>
 712 #include <netinet/in_systm.h>
 713 #if HAVE_NETINET_IN_VAR_H
 714 # include <netinet/in_var.h>
 715 #endif
 716 #if HAVE_NET_IF_DL_H
 717 # include <net/if_dl.h>
 718 #endif
 719 #if HAVE_NET_NETOPT_H
 720 # include <net/netopt.h>
 721 #endif
 722 #include <net/route.h>
 723 #if HAVE_INET_ND_H
 724 # include <inet/nd.h>
 725 #endif
 726 #include <arpa/inet.h>
 727 /* Required for IDRP */
 728 #if HAVE_NETINET_IP_ICMP_H
 729 # include <netinet/ip_icmp.h>
 730 #endif
 731 ])dnl
 732
 733 dnl V6 headers are checked below, after we check for v6
 734
 735 dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
 736 case "$host" in
 737   [*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
 738       opsys=sol2-6
 739       AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
 740       AC_DEFINE(SUNOS_5, 1, SunOS 5)
 741       AC_CHECK_LIB(xnet, main)
 742       CURSES=-lcurses
 743       SOLARIS="solaris"
 744   ;;
 745   [*-sunos5.[8-9]] \
 746   | [*-sunos5.1[0-9]] \
 747   | [*-sunos5.1[0-9].[0-9]] \
 748   | [*-solaris2.[8-9]] \
 749   | [*-solaris2.1[0-9]] \
 750   | [*-solaris2.1[0-9].[0-9]])
 751       opsys=sol8
 752       AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
 753       AC_DEFINE(SUNOS_5, 1, [SunOS 5])
 754       AC_CHECK_LIB(socket, main)
 755       AC_CHECK_LIB(nsl, main)
 756       AC_CHECK_LIB(umem, main)
 757       AC_CHECK_FUNCS([printstack],
 758         [AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
 759          AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
 760         ])
 761       CURSES=-lcurses
 762       SOLARIS="solaris"
 763   ;;
 764   *-sunos5* | *-solaris2*)
 765       AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
 766       AC_CHECK_LIB(socket, main)
 767       AC_CHECK_LIB(nsl, main)
 768       CURSES=-lcurses
 769       SOLARIS="solaris"
 770   ;;
 771   *-linux*)
 772       opsys=gnu-linux
 773       AC_DEFINE(GNU_LINUX,,GNU Linux)
 774   ;;
 775   *-openbsd*)
 776       opsys=openbsd
 777       AC_DEFINE(OPEN_BSD,,OpenBSD)
 778   ;;
 779 esac
 780
 781 AC_SYS_LARGEFILE
 782
 783 dnl ---------------------
 784 dnl Integrated VTY option
 785 dnl ---------------------
 786 case "${enable_vtysh}" in
 787   "no") VTYSH="";;
 788   *)    VTYSH="vtysh";
 789          AC_DEFINE(VTYSH,,VTY shell)
 790 dnl      Vtysh uses libreadline, which looks for termcap functions at
 791 dnl      configure time.  We follow readlines search order.
 792 dnl      The required procedures are in libtermcap on NetBSD, in
 793 dnl      [TODO] on Linux, and in [TODO] on Solaris.
 794          AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
 795            [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
 796              [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
 797                [AC_CHECK_LIB(ncurses, tputs,
 798                              LIBREADLINE="$LIBREADLINE -lncurses")]
 799               )]
 800             )]
 801           )
 802          AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
 803                       "$LIBREADLINE")
 804          if test $ac_cv_lib_readline_main = no; then
 805            AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
 806          fi
 807          AC_CHECK_HEADER(readline/history.h)
 808          if test $ac_cv_header_readline_history_h = no;then
 809            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
 810          fi
 811          AC_CHECK_LIB(readline, rl_completion_matches,
 812                       LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
 813          if test $ac_cv_lib_readline_rl_completion_matches = no; then
 814            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
 815          fi
 816          ;;
 817 esac
 818 AC_SUBST(LIBREADLINE)
 819 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
 820
 821 dnl ----------
 822 dnl PAM module
 823 dnl
 824 dnl Quagga detects the PAM library it is built against by checking for a
 825 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
 826 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
 827 dnl openpam.h doesn't do that, although depends on the header too. Hence a
 828 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
 829 dnl of OpenPAM.
 830 dnl ----------
 831 if test "$with_libpam" = "yes"; then
 832   AC_CHECK_HEADER([security/pam_misc.h],
 833     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
 834      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
 835      pam_conv_func="misc_conv"
 836     ],
 837     [], FRR_INCLUDES)
 838   AC_CHECK_HEADER([security/openpam.h],
 839     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
 840      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
 841      pam_conv_func="openpam_ttyconv"
 842     ],
 843     [], FRR_INCLUDES[#include <security/pam_appl.h>])
 844   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
 845     AC_MSG_WARN([*** pam support will not be built ***])
 846     with_libpam="no"
 847   fi
 848 fi
 849
 850 if test "$with_libpam" = "yes"; then
 851 dnl took this test from proftpds configure.in and suited to our needs
 852 dnl -------------------------------------------------------------------------
 853 dnl
 854 dnl This next check looks funky due to a linker problem with some versions
 855 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
 856 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
 857 dnl with RedHat 6.2 and Debian 2.2 or better.
 858 AC_CHECK_LIB(pam, pam_start,
 859   [AC_CHECK_LIB(pam, $pam_conv_func,
 860     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 861      LIBPAM="-lpam"],
 862     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 863      LIBPAM="-lpam -lpam_misc"]
 864     )
 865   ],
 866
 867   [AC_CHECK_LIB(pam, pam_end,
 868     [AC_CHECK_LIB(pam, $pam_conv_func,
 869       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 870        LIBPAM="-lpam -ldl"],
 871       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 872        LIBPAM="-lpam -ldl -lpam_misc"]
 873      )
 874   ],AC_MSG_WARN([*** pam support will not be built ***]),
 875   [-ldl])
 876   ]
 877 )
 878 fi
 879 AC_SUBST(LIBPAM)
 880
 881 dnl -------------------------------
 882 dnl Endian-ness check
 883 dnl -------------------------------
 884 AC_WORDS_BIGENDIAN
 885
 886 dnl -------------------------------
 887 dnl check the size in byte of the C
 888 dnl -------------------------------
 889 dnl AC_CHECK_SIZEOF(char)
 890 dnl AC_CHECK_SIZEOF(int)
 891 dnl AC_CHECK_SIZEOF(short)
 892 dnl AC_CHECK_SIZEOF(long)
 893
 894 dnl ----------------------------
 895 dnl check existance of functions
 896 dnl ----------------------------
 897 AC_FUNC_FNMATCH
 898 AC_FUNC_FORK
 899 AC_FUNC_MKTIME
 900 AC_FUNC_STAT
 901
 902 dnl -------------------------------
 903 dnl bgpd needs pow() and hence libm
 904 dnl -------------------------------
 905 TMPLIBS="$LIBS"
 906 AC_CHECK_HEADER([math.h],
 907   [AC_CHECK_LIB([m], [pow],
 908     [LIBM="-lm"
 909      LIBS="$LIBS $LIBM"
 910      AC_CHECK_FUNCS(pow,[],[LIBM=""])
 911     ])
 912 ])
 913 if test x"$LIBM" = x ; then
 914   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
 915 fi
 916 LIBS="$TMPLIBS"
 917 AC_SUBST(LIBM)
 918
 919 dnl ---------------
 920 dnl other functions
 921 dnl ---------------
 922 AC_CHECK_FUNCS([ \
 923         strlcat strlcpy \
 924         getgrouplist \
 925         pledge])
 926
 927 AC_CHECK_HEADER([asm-generic/unistd.h],
 928                 [AC_CHECK_DECL(__NR_setns,
 929                                AC_DEFINE(HAVE_NETNS,, Have netns),,
 930                                FRR_INCLUDES [#include <asm-generic/unistd.h>
 931                                ])
 932                  AC_CHECK_FUNCS(setns)]
 933                )
 934
 935 dnl ------------------------------------
 936 dnl Determine routing get and set method
 937 dnl ------------------------------------
 938 AC_MSG_CHECKING(zebra between kernel interface method)
 939 if test x"$opsys" = x"gnu-linux"; then
 940   AC_MSG_RESULT(netlink)
 941   RT_METHOD=rt_netlink.o
 942   KERNEL_METHOD=kernel_netlink.o
 943   AC_DEFINE(HAVE_NETLINK,,netlink)
 944   netlink=yes
 945   AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
 946 else
 947   AC_MSG_RESULT(Route socket)
 948   KERNEL_METHOD="kernel_socket.o"
 949   RT_METHOD="rt_socket.o"
 950 fi
 951 AC_SUBST(RT_METHOD)
 952 AC_SUBST(KERNEL_METHOD)
 953 AM_CONDITIONAL([HAVE_NETLINK], [test "x$netlink" = "xyes"])
 954
 955 dnl --------------------------
 956 dnl Determine IS-IS I/O method
 957 dnl --------------------------
 958 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
 959 AC_DEFINE(ISIS_METHOD_DLPI,     2, [ constant value for isis method dlpi ])
 960 AC_DEFINE(ISIS_METHOD_BPF,      3, [ constant value for isis method bpf ])
 961 AC_CHECK_HEADER(net/bpf.h)
 962 AC_CHECK_HEADER(sys/dlpi.h)
 963 AC_MSG_CHECKING(zebra IS-IS I/O method)
 964 if test x"$opsys" = x"gnu-linux"; then
 965   AC_MSG_RESULT(pfpacket)
 966   ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
 967 elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
 968   AC_MSG_RESULT(DLPI)
 969   ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 970 else
 971   if test $ac_cv_header_net_bpf_h = no; then
 972     if test $ac_cv_header_sys_dlpi_h = no; then
 973       AC_MSG_RESULT(none)
 974       AC_MSG_WARN([*** IS-IS support will not be built ***])
 975       ISISD=""
 976     else
 977       AC_MSG_RESULT(DLPI)
 978     fi
 979     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 980   else
 981     AC_MSG_RESULT(BPF)
 982     ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
 983   fi
 984 fi
 985 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
 986
 987 dnl ------------------------------------
 988 dnl check for broken CMSG_FIRSTHDR macro
 989 dnl ------------------------------------
 990 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
 991 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 992 #ifdef SUNOS_5
 993 #define _XPG4_2
 994 #define __EXTENSIONS__
 995 #endif
 996 #include <stdlib.h>
 997 #include <sys/types.h>
 998 #include <sys/socket.h>
 999
1000 main()
1001 {
1002   struct msghdr msg;
1003   char buf[4];
1004
1005   msg.msg_control = buf;
1006   msg.msg_controllen = 0;
1007
1008   if (CMSG_FIRSTHDR(&msg) != NULL)
1009     exit(0);
1010   exit (1);
1011 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1012 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1013
1014 dnl ------------------------------
1015 dnl check kernel route read method
1016 dnl ------------------------------
1017 AC_CACHE_CHECK([route read method], [frr_cv_rtread_method],
1018 [if test "x$netlink" = xyes; then
1019   frr_cv_rtread_method="netlink"
1020 else
1021 for frr_cv_rtread_method in /dev/ip /dev/null;
1022 do
1023   test x`ls $frr_cv_rtread_method 2>/dev/null` = x"$frr_cv_rtread_method" && break
1024 done
1025 case $frr_cv_rtread_method in
1026   "/dev/ip")
1027                      case "$host" in
1028                        *-freebsd*)    frr_cv_rtread_method="sysctl";;
1029                        *)             frr_cv_rtread_method="getmsg";;
1030                      esac;;
1031         *)
1032                      frr_cv_rtread_method="sysctl";;
1033 esac
1034 fi])
1035 RTREAD_METHOD=rtread_${frr_cv_rtread_method}.o
1036 AC_SUBST(RTREAD_METHOD)
1037
1038 dnl -----------------------------
1039 dnl check interface lookup method
1040 dnl -----------------------------
1041 IOCTL_METHOD=ioctl.o
1042 AC_MSG_CHECKING(interface looking up method)
1043 if test "$netlink" = yes; then
1044   AC_MSG_RESULT(netlink)
1045   IF_METHOD=if_netlink.o
1046 elif test "$opsys" = "sol2-6";then
1047   AC_MSG_RESULT(Solaris GIF)
1048   IF_METHOD=if_ioctl.o
1049 elif test "$opsys" = "sol8";then
1050   AC_MSG_RESULT(Solaris GLIF)
1051   IF_METHOD=if_ioctl_solaris.o
1052   IOCTL_METHOD=ioctl_solaris.o
1053 elif test "$opsys" = "openbsd";then
1054   AC_MSG_RESULT(openbsd)
1055   IF_METHOD=if_ioctl.o
1056 elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
1057   AC_MSG_RESULT(sysctl)
1058     IF_METHOD=if_sysctl.o
1059     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
1060 else
1061     AC_MSG_RESULT(ioctl)
1062     IF_METHOD=if_ioctl.o
1063 fi
1064 AC_SUBST(IF_METHOD)
1065 AC_SUBST(IOCTL_METHOD)
1066
1067 dnl ---------------------------------------------------------------
1068 dnl figure out how to specify an interface in multicast sockets API
1069 dnl ---------------------------------------------------------------
1070 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1071
1072 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1073         #include <sys/socket.h>
1074         #include <netinet/in.h>
1075         #define _LINUX_IN_H             /* For Linux <= 2.6.25 */
1076         #include <linux/types.h>
1077 ])
1078
1079 m4_define([FRR_INCLUDES],
1080 FRR_INCLUDES
1081 [#if HAVE_LINUX_MROUTE_H
1082 # include <linux/mroute.h>
1083 #endif
1084 ])dnl
1085
1086 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1087         #include <sys/socket.h>
1088         #include <sys/types.h>
1089         #include <netinet/in.h>
1090         #include <net/route.h>
1091 ])
1092
1093 m4_define([FRR_INCLUDES],
1094 FRR_INCLUDES
1095 [#if HAVE_NETINET_IP_MROUTE_H
1096 # include <netinet/ip_mroute.h>
1097 #endif
1098 ])dnl
1099
1100 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1101 AC_TRY_COMPILE([#include <sys/param.h>],
1102 [#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)
1103   return (0);
1104 #else
1105   #error No support for BSD struct ip_mreq hack detected
1106 #endif],[AC_MSG_RESULT(yes)
1107 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1108 AC_MSG_RESULT(no))
1109
1110 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1111 AC_TRY_COMPILE([
1112 #include <sys/types.h>
1113 #include <netinet/in.h>
1114 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1115 ], [AC_MSG_RESULT(yes)
1116 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1117 AC_MSG_RESULT(no))
1118
1119 dnl ---------------------------------------------------------------
1120 dnl figure out how to check link-state
1121 dnl ---------------------------------------------------------------
1122 AC_CHECK_HEADER( [net/if_media.h],
1123   [m4_define([LINK_DETECT_INCLUDES],
1124     FRR_INCLUDES
1125     [#include <net/if_media.h>
1126   ])
1127   AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1128     AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1129     [], LINK_DETECT_INCLUDES)],
1130   [],
1131   FRR_INCLUDES)
1132
1133 dnl ---------------------------------------------------------------
1134 dnl Additional, newer way to check link-state using ifi_link_state.
1135 dnl Not available in all BSD's when ifmediareq available
1136 dnl ---------------------------------------------------------------
1137 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1138   AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1139   [], FRR_INCLUDES)
1140
1141 dnl ------------------------
1142 dnl TCP_MD5SIG socket option
1143 dnl ------------------------
1144
1145 AC_CHECK_HEADER([netinet/tcp.h],
1146    [m4_define([MD5_INCLUDES],
1147       FRR_INCLUDES
1148       [#include <netinet/tcp.h>
1149     ])
1150     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1151    [],
1152    FRR_INCLUDES)
1153 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1154   AC_CHECK_HEADER([linux/tcp.h],
1155        [m4_define([MD5_INCLUDES],
1156           FRR_INCLUDES
1157           [#include <linux/tcp.h>
1158         ])
1159        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1160 fi
1161
1162 dnl -----------------------------
1163 dnl check ipforward detect method
1164 dnl -----------------------------
1165 AC_CACHE_CHECK([ipforward method], [frr_cv_ipforward_method],
1166 [if test x$cross_compiling = xyes; then
1167   if test x"$opsys" = x"gnu-linux"; then
1168     frr_cv_ipforward_method=/proc/net/snmp
1169   else
1170     frr_cv_ipforward_method=/dev/ip
1171   fi
1172 else
1173   for frr_cv_ipforward_method in /proc/net/snmp /dev/ip /dev/null;
1174   do
1175     test x`ls $frr_cv_ipforward_method 2>/dev/null` = x"$frr_cv_ipforward_method" && break
1176   done
1177 fi
1178 case $frr_cv_ipforward_method in
1179   "/proc/net/snmp")  frr_cv_ipforward_method="proc";;
1180   "/dev/ip")
1181                      case "$host" in
1182                        *-freebsd*)    frr_cv_ipforward_method="sysctl";;
1183                        *)             frr_cv_ipforward_method="solaris";;
1184                      esac;;
1185   *)                 frr_cv_ipforward_method="sysctl";;
1186 esac])
1187 IPFORWARD=ipforward_${frr_cv_ipforward_method}.o
1188 AC_SUBST(IPFORWARD)
1189
1190 dnl ----------------------------------------------------------------------------
1191 dnl figure out if domainname is available in the utsname struct (GNU extension).
1192 dnl ----------------------------------------------------------------------------
1193 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1194
1195 dnl ----------
1196 dnl IPv6 check
1197 dnl ----------
1198 AC_MSG_CHECKING(whether does this OS have IPv6 stack)
1199 dnl ---------
1200 dnl KAME IPv6
1201 dnl ---------
1202   if grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
1203     AC_DEFINE(KAME,1,KAME IPv6)
1204     AC_MSG_RESULT(KAME)
1205 dnl ------------------------------------
1206 dnl Solaris 9, 10 and potentially higher
1207 dnl ------------------------------------
1208   elif test x"$opsys" = x"sol8"; then
1209     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
1210     AC_MSG_RESULT(Solaris IPv6)
1211 dnl ----------
1212 dnl Linux IPv6
1213 dnl ----------
1214   elif test x"$opsys" = x"gnu-linux"; then
1215     AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
1216     dnl Linux has a compilation problem with mixing
1217     dnl netinet/in.h and linux/in6.h they are not
1218     dnl compatible.  There has been discussion on
1219     dnl how to fix it but no real progress on implementation
1220     dnl when they fix it, remove this
1221     AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
1222     AC_MSG_RESULT(Linux IPv6)
1223   else
1224     AC_MSG_ERROR([Failed to detect IPv6 stack])
1225   fi
1226
1227 dnl ------------------
1228 dnl IPv6 header checks
1229 dnl ------------------
1230 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1231         netinet6/in6_var.h netinet6/nd6.h], [], [],
1232         FRR_INCLUDES)
1233
1234 m4_define([FRR_INCLUDES],dnl
1235 FRR_INCLUDES
1236 [#if HAVE_NETINET6_IN6_H
1237 #include <netinet6/in6.h>
1238 #endif
1239 #if HAVE_NETINET_IN6_VAR_H
1240 #include <netinet/in6_var.h>
1241 #endif
1242 #include <netinet/icmp6.h>
1243 #if HAVE_NETINET6_IN6_VAR_H
1244 # include <netinet6/in6_var.h>
1245 #endif
1246 #if HAVE_NETINET6_ND6_H
1247 # include <netinet6/nd6.h>
1248 #endif
1249 ])dnl
1250
1251 dnl disable doc check
1252 if test "${enable_doc}" = "no";then
1253   DOC=""
1254 else
1255   DOC="doc"
1256 fi
1257
1258 dnl --------------------
1259 dnl Daemon disable check
1260 dnl --------------------
1261 if test "${enable_zebra}" = "no";then
1262   ZEBRA=""
1263 else
1264   ZEBRA="zebra"
1265 fi
1266 AM_CONDITIONAL(ZEBRA, test "x$ZEBRA" = "xzebra")
1267
1268 if test "${enable_bgpd}" = "no";then
1269   BGPD=""
1270 else
1271   BGPD="bgpd"
1272 fi
1273 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1274
1275 if test "${enable_ripd}" = "no";then
1276   RIPD=""
1277 else
1278   RIPD="ripd"
1279 fi
1280 AM_CONDITIONAL(RIPD, test "x$RIPD" = "xripd")
1281
1282 if test "${enable_ospfd}" = "no";then
1283   OSPFD=""
1284 else
1285   OSPFD="ospfd"
1286 fi
1287 AM_CONDITIONAL(OSPFD, test "x$OSPFD" = "xospfd")
1288
1289 if test "${enable_ldpd}" = "no";then
1290   LDPD=""
1291 else
1292   AX_PROG_PERL_MODULES(XML::LibXML, , [
1293     if test -f "${srcdir}/ldpd/ldp_vty_cmds.c"; then
1294       AC_MSG_WARN([XML::LibXML perl module not found, using pregenerated ldp_vty_cmds.c])
1295     else
1296       AC_MSG_ERROR([XML::LibXML perl module not found and pregenerated ldp_vty_cmds.c missing])
1297     fi
1298   ])
1299
1300   LDPD="ldpd"
1301   AC_DEFINE(HAVE_LDPD, 1, ldpd)
1302 fi
1303 AM_CONDITIONAL(LDPD, test "x$LDPD" = "xldpd")
1304
1305 NHRPD=""
1306 if test "$opsys" = "gnu-linux"; then
1307   if test "${enable_nhrpd}" != "no"; then
1308     NHRPD="nhrpd"
1309   fi
1310 else
1311   if test "${enable_nhrpd}" = "yes"; then
1312     AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1313   fi
1314 fi
1315 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1316
1317 if test "${enable_eigrpd}" = "no";then
1318   EIGRPD=""
1319 else
1320   EIGRPD="eigrpd"
1321 fi
1322 AM_CONDITIONAL(EIGRPD, test "x$EIGRPD" = "xeigrpd")
1323
1324 if test "${enable_watchfrr}" = "no";then
1325   WATCHFRR=""
1326 else
1327   WATCHFRR="watchfrr"
1328 fi
1329 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1330
1331 OSPFCLIENT=""
1332 if test "${enable_ospfapi}" != "no";then
1333     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1334
1335   if test "${enable_ospfclient}" != "no";then
1336       OSPFCLIENT="ospfclient"
1337   fi
1338 fi
1339
1340 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1341
1342 case "${enable_ripngd}" in
1343   "no" ) RIPNGD="";;
1344   *    ) RIPNGD="ripngd";;
1345 esac
1346 AM_CONDITIONAL(RIPNGD, test "x$RIPNGD" = "xripngd")
1347
1348 case "${enable_ospf6d}" in
1349   "no" ) OSPF6D="";;
1350   *    ) OSPF6D="ospf6d";;
1351 esac
1352 AM_CONDITIONAL(OSPF6D, test "x$OSPF6D" = "xospf6d")
1353
1354 case "${enable_isisd}" in
1355   "no" ) ISISD="";;
1356   *    ) ISISD="isisd";;
1357 esac
1358 AM_CONDITIONAL(ISISD, test "x$ISISD" = "xisisd")
1359
1360 case "${enable_pimd}" in
1361   "no" ) PIMD="";;
1362   *    ) PIMD="pimd";;
1363 esac
1364 AM_CONDITIONAL(PIMD, test "x$PIMD" = "xpimd")
1365
1366 if test "${enable_bgp_announce}" = "no";then
1367   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1368 else
1369   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1370 fi
1371
1372 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1373   with_rfp_path="bgpd/rfp-example"
1374 fi
1375 if test "${with_rfp_path}" != "no"; then
1376   VNC_RFP_PATH="${with_rfp_path}"
1377   AC_SUBST(VNC_RFP_PATH)
1378 fi
1379
1380 if test "${enable_bgp_vnc}" != "no";then
1381   AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1382   RFPTEST="${with_rfp_path}/rfptest"
1383   LIBRFP="${with_rfp_path}/librfp"
1384   RFPINC="${with_rfp_path}/librfp"
1385 else
1386   RFPTEST=
1387   LIBRFP=
1388   RFPINC="bgpd/rfp-example/librfp"
1389 fi
1390 # set
1391 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1392
1393 AC_SUBST(DOC)
1394 AC_SUBST(ZEBRA)
1395 AC_SUBST(RFPTEST)
1396 AC_SUBST(LIBRFP)
1397 AC_SUBST(RFPINC)
1398 AC_SUBST(BGPD)
1399 AC_SUBST(RIPD)
1400 AC_SUBST(RIPNGD)
1401 AC_SUBST(OSPFD)
1402 AC_SUBST(OSPF6D)
1403 AC_SUBST(LDPD)
1404 AC_SUBST(NHRPD)
1405 AC_SUBST(EIGRPD)
1406 AC_SUBST(WATCHFRR)
1407 AC_SUBST(ISISD)
1408 AC_SUBST(PIMD)
1409 AC_SUBST(SOLARIS)
1410 AC_SUBST(VTYSH)
1411 AC_SUBST(CURSES)
1412 AC_SUBST(OSPFCLIENT)
1413 AC_SUBST(OSPFAPI)
1414 AC_CHECK_LIB(crypt, crypt)
1415 AC_CHECK_LIB(resolv, res_init)
1416
1417 dnl ---------------------------
1418 dnl check system has PCRE regexp
1419 dnl ---------------------------
1420 if test "x$enable_pcreposix" = "xyes"; then
1421   AC_CHECK_LIB(pcreposix, pcreposix_regexec, ,[enable_pcreposix=no
1422   AC_MSG_WARN([*** falling back to other regex library ***]) ])
1423 fi
1424 AC_SUBST(HAVE_LIBPCREPOSIX)
1425
1426 dnl ------------------
1427 dnl check C-Ares library
1428 dnl ------------------
1429 if test "${NHRPD}" != ""; then
1430    PKG_CHECK_MODULES([CARES], [libcares])
1431 fi
1432
1433
1434 dnl ------------------
1435 dnl check Net-SNMP library
1436 dnl ------------------
1437 if test "${enable_snmp}" != ""; then
1438    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1439    if test x"$NETSNMP_CONFIG" = x"no"; then
1440       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1441    fi
1442    SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1443    SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1444    AC_MSG_CHECKING([whether we can link to Net-SNMP])
1445    AC_LINK_IFELSE([AC_LANG_PROGRAM([
1446 int main(void);
1447 ],
1448 [
1449 {
1450   return 0;
1451 }
1452 ])],[AC_MSG_RESULT(yes)],[
1453      AC_MSG_RESULT(no)
1454      AC_MSG_ERROR([--enable-snmp given but not usable])])
1455    case "${enable_snmp}" in
1456      yes)
1457       SNMP_METHOD=agentx
1458       ;;
1459      smux|agentx)
1460       SNMP_METHOD="${enable_snmp}"
1461       ;;
1462      *)
1463       AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1464       ;;
1465    esac
1466    AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1467    AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1468    AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1469 fi
1470 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1471 AC_SUBST(SNMP_LIBS)
1472 AC_SUBST(SNMP_CFLAGS)
1473
1474 dnl ---------------
1475 dnl dlopen & dlinfo
1476 dnl ---------------
1477 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1478   AC_MSG_ERROR([unable to find the dlopen()])
1479 ])
1480
1481 AC_CHECK_HEADERS([link.h])
1482
1483 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1484 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1485 #include <stdlib.h>
1486 #ifdef HAVE_LINK_H
1487 #include <link.h>
1488 #endif
1489 #include <dlfcn.h>
1490 ]], [[
1491   char origin[1];
1492   dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1493 ]])], [
1494   AC_MSG_RESULT(yes)
1495   AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1496 ], [
1497   AC_MSG_RESULT(no)
1498 ])
1499
1500 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1501 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1502 #include <stdlib.h>
1503 #ifdef HAVE_LINK_H
1504 #include <link.h>
1505 #endif
1506 #include <dlfcn.h>
1507 ]], [[
1508   struct link_map *lm = NULL;
1509   dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1510 ]])], [
1511   AC_MSG_RESULT(yes)
1512   AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1513 ], [
1514   AC_MSG_RESULT(no)
1515 ])
1516
1517
1518 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1519
1520 dnl ---------------------------
1521 dnl sockaddr and netinet checks
1522 dnl ---------------------------
1523 AC_CHECK_TYPES([
1524         struct sockaddr_dl,
1525         struct vifctl, struct mfcctl, struct sioc_sg_req,
1526         vifi_t, struct sioc_vif_req, struct igmpmsg,
1527         struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1528         struct nd_opt_adv_interval, struct rt_addrinfo,
1529         struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1530         [], [], FRR_INCLUDES)
1531
1532 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1533         struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1534         struct sockaddr_dl.sdl_len,
1535         struct if6_aliasreq.ifra_lifetime,
1536         struct nd_opt_adv_interval.nd_opt_ai_type],
1537         [], [], FRR_INCLUDES)
1538
1539 dnl ---------------------------
1540 dnl IRDP/pktinfo/icmphdr checks
1541 dnl ---------------------------
1542 AC_CHECK_TYPES([struct in_pktinfo],
1543  [AC_CHECK_TYPES([struct icmphdr],
1544    [if test "${enable_irdp}" != "no"; then
1545       AC_DEFINE(HAVE_IRDP,, IRDP)
1546     fi],
1547    [if test "${enable_irdp}" = "yes"; then
1548       AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1549     fi], [FRR_INCLUDES])],
1550  [if test "${enable_irdp}" = "yes"; then
1551     AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1552   fi], [FRR_INCLUDES])
1553
1554 dnl -----------------------
1555 dnl checking for IP_PKTINFO
1556 dnl -----------------------
1557 AC_MSG_CHECKING(for IP_PKTINFO)
1558 AC_TRY_COMPILE([#include <netdb.h>], [
1559   int opt = IP_PKTINFO;
1560 ], [
1561   AC_MSG_RESULT(yes)
1562   AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1563 ], [
1564   AC_MSG_RESULT(no)
1565 ])
1566
1567 dnl ---------------------------
1568 dnl checking for IP_RECVDSTADDR
1569 dnl ---------------------------
1570 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1571 AC_TRY_COMPILE([#include <netinet/in.h>], [
1572   int opt = IP_RECVDSTADDR;
1573 ], [
1574   AC_MSG_RESULT(yes)
1575   AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1576 ], [
1577   AC_MSG_RESULT(no)
1578 ])
1579
1580 dnl ----------------------
1581 dnl checking for IP_RECVIF
1582 dnl ----------------------
1583 AC_MSG_CHECKING(for IP_RECVIF)
1584 AC_TRY_COMPILE([#include <netinet/in.h>], [
1585   int opt = IP_RECVIF;
1586 ], [
1587   AC_MSG_RESULT(yes)
1588   AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1589 ], [
1590   AC_MSG_RESULT(no)
1591 ])
1592
1593 dnl ----------------------
1594 dnl checking for SO_BINDANY
1595 dnl ----------------------
1596 AC_MSG_CHECKING(for SO_BINDANY)
1597 AC_TRY_COMPILE([#include <sys/socket.h>], [
1598   int opt = SO_BINDANY;
1599 ], [
1600   AC_MSG_RESULT(yes)
1601   AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1602 ], [
1603   AC_MSG_RESULT(no)
1604 ])
1605
1606 dnl ----------------------
1607 dnl checking for IP_FREEBIND
1608 dnl ----------------------
1609 AC_MSG_CHECKING(for IP_FREEBIND)
1610 AC_TRY_COMPILE([#include <netinet/in.h>], [
1611   int opt = IP_FREEBIND;
1612 ], [
1613   AC_MSG_RESULT(yes)
1614   AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1615 ], [
1616   AC_MSG_RESULT(no)
1617 ])
1618
1619 dnl --------------------------------------
1620 dnl checking for be32dec existence or not
1621 dnl --------------------------------------
1622 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1623                [#include <sys/endian.h>])
1624
1625 dnl --------------------------------------
1626 dnl checking for clock_time monotonic struct and call
1627 dnl --------------------------------------
1628 AC_CHECK_DECL(CLOCK_MONOTONIC,
1629         [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1630          AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1631 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1632
1633 dnl --------------------------------------
1634 dnl checking for flex and bison
1635 dnl --------------------------------------
1636
1637 AM_PROG_LEX
1638 AC_MSG_CHECKING(version of flex)
1639 quagga_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1640 quagga_ac_flex_version="${quagga_ac_flex_version##* }"
1641 AC_MSG_RESULT([$quagga_ac_flex_version])
1642 AX_COMPARE_VERSION([$quagga_ac_flex_version], [lt], [2.5.20], [
1643   LEX="$SHELL $missing_dir/missing flex"
1644   if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1645     AC_MSG_WARN([using pregenerated flex output files])
1646   else
1647     AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1648   fi
1649   AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1650   AC_SUBST([LEXLIB], [''])
1651 ])
1652
1653 AC_PROG_YACC
1654 dnl thanks GNU bison for this b*llshit...
1655 AC_MSG_CHECKING(version of bison)
1656 quagga_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1657 quagga_ac_bison_version="${quagga_ac_bison_version##* }"
1658 quagga_ac_bison_missing="false"
1659 case "x${quagga_ac_bison_version}" in
1660   x2.7*)
1661     BISON_OPENBRACE='"'
1662     BISON_CLOSEBRACE='"'
1663     BISON_VERBOSE=''
1664     AC_MSG_RESULT([$quagga_ac_bison_version - 2.7 or older])
1665     ;;
1666   x2.*|x1.*)
1667     AC_MSG_RESULT([$quagga_ac_bison_version])
1668     AC_MSG_WARN([installed bison is too old.  Please install GNU bison 2.7.x or newer.])
1669     quagga_ac_bison_missing="true"
1670     ;;
1671   x)
1672     AC_MSG_RESULT([none])
1673     AC_MSG_WARN([could not determine bison version.  Please install GNU bison 2.7.x or newer.])
1674     quagga_ac_bison_missing="true"
1675     ;;
1676   *)
1677     BISON_OPENBRACE='{'
1678     BISON_CLOSEBRACE='}'
1679     BISON_VERBOSE='-Dparse.error=verbose'
1680     AC_MSG_RESULT([$quagga_ac_bison_version - 3.0 or newer])
1681     ;;
1682 esac
1683 AC_SUBST(BISON_OPENBRACE)
1684 AC_SUBST(BISON_CLOSEBRACE)
1685 AC_SUBST(BISON_VERBOSE)
1686
1687 if $quagga_ac_bison_missing; then
1688   YACC="$SHELL $missing_dir/missing bison -y"
1689   if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1690     AC_MSG_WARN([using pregenerated bison output files])
1691   else
1692     AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1693   fi
1694 fi
1695
1696 dnl -------------------
1697 dnl capabilities checks
1698 dnl -------------------
1699 if test "${enable_capabilities}" != "no"; then
1700   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1701   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1702     [AC_MSG_RESULT(yes)
1703      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1704      frr_ac_keepcaps="yes"],
1705      AC_MSG_RESULT(no)
1706   )
1707   if test x"${frr_ac_keepcaps}" = x"yes"; then
1708     AC_CHECK_HEADERS(sys/capability.h)
1709   fi
1710   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1711     AC_CHECK_LIB(cap, cap_init,
1712       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1713        LIBCAP="-lcap"
1714        frr_ac_lcaps="yes"]
1715     )
1716   else
1717     AC_CHECK_HEADERS(priv.h,
1718      [AC_MSG_CHECKING(Solaris style privileges are available)
1719       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1720           [AC_MSG_RESULT(yes)
1721            AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1722            frr_ac_scaps="yes"],
1723            AC_MSG_RESULT(no)
1724       )
1725      ]
1726    )
1727   fi
1728   if test x"${frr_ac_scaps}" = x"yes" \
1729        -o x"${frr_ac_lcaps}" = x"yes"; then
1730     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1731   fi
1732 fi
1733 AC_SUBST(LIBCAP)
1734
1735 dnl ---------------------------
1736 dnl check for glibc 'backtrace'
1737 dnl ---------------------------
1738 if test x"${enable_backtrace}" != x"no" ; then
1739   backtrace_ok=no
1740   AC_CHECK_HEADER([execinfo.h], [
1741     AC_SEARCH_LIBS([backtrace], [execinfo], [
1742       AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1743       AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1744       backtrace_ok=yes
1745     ],, [-lm])
1746   ])
1747
1748   if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1749     dnl user explicitly requested backtrace but we failed to find support
1750     AC_MSG_FAILURE([failed to find backtrace support])
1751   fi
1752 fi
1753
1754 dnl -----------------------------------------
1755 dnl check for malloc mallinfo struct and call
1756 dnl this must try and link using LIBS, in
1757 dnl order to check no alternative allocator
1758 dnl has been specified, which might not provide
1759 dnl mallinfo, e.g. such as Umem on Solaris.
1760 dnl -----------------------------------------
1761 AC_CHECK_HEADER([malloc.h],
1762  [AC_MSG_CHECKING(whether mallinfo is available)
1763   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1764                         [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1765       [AC_MSG_RESULT(yes)
1766        AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1767        AC_MSG_RESULT(no)
1768   )
1769  ], [], FRR_INCLUDES)
1770
1771 dnl ----------
1772 dnl configure date
1773 dnl ----------
1774 CONFDATE=`date '+%Y%m%d'`
1775 AC_SUBST(CONFDATE)
1776
1777 dnl ------------------------------
1778 dnl set paths for state directory
1779 dnl ------------------------------
1780 AC_MSG_CHECKING(directory to use for state file)
1781 if test "${prefix}" = "NONE"; then
1782   frr_statedir_prefix="";
1783 else
1784   frr_statedir_prefix=${prefix}
1785 fi
1786 if test "${localstatedir}" = '${prefix}/var'; then
1787   for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1788                         ${frr_statedir_prefix}/var/adm dnl
1789                         ${frr_statedir_prefix}/etc dnl
1790                         /var/run        dnl
1791                         /var/adm        dnl
1792                         /etc            dnl
1793                         /dev/null;
1794   do
1795     test -d $FRR_STATE_DIR && break
1796   done
1797   frr_statedir=$FRR_STATE_DIR
1798 else
1799   frr_statedir=${localstatedir}
1800 fi
1801 if test $frr_statedir = "/dev/null"; then
1802     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1803 fi
1804 AC_MSG_RESULT(${frr_statedir})
1805 AC_SUBST(frr_statedir)
1806
1807 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1808 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1809 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1810
1811 dnl autoconf does this, but it does it too late...
1812 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1813 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1814
1815 dnl get the full path, recursing through variables...
1816 vtysh_bin="$bindir/vtysh"
1817 for I in 1 2 3 4 5 6 7 8 9 10; do
1818         eval vtysh_bin="\"$vtysh_bin\""
1819 done
1820 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1821
1822 CFG_SYSCONF="$sysconfdir"
1823 CFG_SBIN="$sbindir"
1824 CFG_STATE="$frr_statedir"
1825 CFG_MODULE="$moduledir"
1826 for I in 1 2 3 4 5 6 7 8 9 10; do
1827         eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1828         eval CFG_SBIN="\"$CFG_SBIN\""
1829         eval CFG_STATE="\"$CFG_STATE\""
1830         eval CFG_MODULE="\"$CFG_MODULE\""
1831 done
1832 AC_SUBST(CFG_SYSCONF)
1833 AC_SUBST(CFG_SBIN)
1834 AC_SUBST(CFG_STATE)
1835 AC_SUBST(CFG_MODULE)
1836 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1837
1838 dnl ---------------------------
1839 dnl Check htonl works correctly
1840 dnl ---------------------------
1841 AC_MSG_CHECKING(for working htonl)
1842 AC_CACHE_VAL(ac_cv_htonl_works,
1843  [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1844                 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1845  ]
1846 )
1847 AC_MSG_RESULT($ac_cv_htonl_works)
1848
1849 AC_CONFIG_FILES([Makefile lib/Makefile qpb/Makefile zebra/Makefile ripd/Makefile
1850           ripngd/Makefile bgpd/Makefile ospfd/Makefile watchfrr/Makefile
1851           ospf6d/Makefile ldpd/Makefile isisd/Makefile vtysh/Makefile
1852           doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
1853           pimd/Makefile
1854           eigrpd/Makefile
1855           nhrpd/Makefile
1856           redhat/Makefile
1857           tools/Makefile
1858           pkgsrc/Makefile
1859           fpm/Makefile
1860           redhat/frr.spec
1861           snapcraft/Makefile
1862           snapcraft/snapcraft.yaml
1863           lib/version.h
1864           tests/lib/cli/test_cli.refout
1865           doc/defines.texi
1866           doc/bgpd.8
1867           doc/isisd.8
1868           doc/ospf6d.8
1869           doc/ospfclient.8
1870           doc/ospfd.8
1871           doc/ldpd.8
1872           doc/ripd.8
1873           doc/eigrpd.8
1874           doc/ripngd.8
1875           doc/pimd.8
1876           doc/nhrpd.8
1877           doc/vtysh.1
1878           doc/watchfrr.8
1879           doc/zebra.8
1880           doc/frr.1
1881           pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1882           pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
1883           pkgsrc/eigrpd.sh])
1884
1885 if test "${enable_bgp_vnc}" != "no"; then
1886    if test "${with_rfp_path}" = "bgpd/rfp-example" ; then
1887      AC_CONFIG_FILES([bgpd/rfp-example/rfptest/Makefile bgpd/rfp-example/librfp/Makefile])
1888    else
1889      AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1890    fi
1891 fi
1892
1893 AC_CONFIG_FILES([solaris/Makefile])
1894
1895 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1896
1897 ## Hack, but working solution to avoid rebuilding of quagga.info.
1898 ## It's already in CVS until texinfo 4.7 is more common.
1899 AC_OUTPUT
1900
1901 echo "
1902 FRRouting configuration
1903 ------------------------------
1904 FRR version             : ${PACKAGE_VERSION}
1905 host operating system   : ${host_os}
1906 source code location    : ${srcdir}
1907 compiler                : ${CC}
1908 compiler flags          : ${CFLAGS}
1909 make                    : ${MAKE-make}
1910 linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
1911 state file directory    : ${frr_statedir}
1912 config file directory   : `eval echo \`echo ${sysconfdir}\``
1913 example directory       : `eval echo \`echo ${exampledir}\``
1914 module directory        : ${CFG_MODULE}
1915 user to run as          : ${enable_user}
1916 group to run as         : ${enable_group}
1917 group for vty sockets   : ${enable_vty_group}
1918 config file mask        : ${enable_configfile_mask}
1919 log file mask           : ${enable_logfile_mask}
1920 zebra protobuf enabled  : ${have_protobuf:-no}
1921
1922 The above user and group must have read/write access to the state file
1923 directory and to the config files in the config file directory."