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