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, 6.1-dev, [https://github.com/frrouting/frr/issues])
  11 PACKAGE_URL="https://frrouting.org/"
  12 AC_SUBST(PACKAGE_URL)
  13 PACKAGE_FULLNAME="FRRouting"
  14 AC_SUBST(PACKAGE_FULLNAME)
  15
  16 CONFIG_ARGS="$ac_configure_args"
  17 AC_SUBST(CONFIG_ARGS)
  18
  19 AC_CONFIG_SRCDIR(lib/zebra.h)
  20 AC_CONFIG_MACRO_DIR([m4])
  21
  22 dnl -----------------------------------
  23 dnl Get hostname and other information.
  24 dnl -----------------------------------
  25 AC_CANONICAL_BUILD()
  26 AC_CANONICAL_HOST()
  27
  28 AS_IF([test "$host" != "$build"], [
  29   if test "$srcdir" = "."; then
  30     AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir.  create a separate directory and run as .../path-to-frr/configure.])
  31   fi
  32   test -d hosttools || mkdir hosttools
  33   abssrc="`cd \"${srcdir}\"; pwd`"
  34
  35   AC_MSG_NOTICE([...])
  36   AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
  37   AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
  38   AC_MSG_NOTICE([...])
  39
  40   ( CPPFLAGS="$HOST_CPPFLAGS"; \
  41     CFLAGS="$HOST_CFLAGS"; \
  42     LDFLAGS="$HOST_LDFLAGS"; \
  43     cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"; )
  44
  45   AC_MSG_NOTICE([...])
  46   AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
  47   AC_MSG_NOTICE([...])
  48
  49   build_clippy="false"
  50   HOSTTOOLS="hosttools/"
  51 ], [
  52   build_clippy="true"
  53   HOSTTOOLS=""
  54 ])
  55 AC_SUBST(HOSTTOOLS)
  56 AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
  57
  58 # Disable portability warnings -- our automake code (in particular
  59 # common.am) uses some constructs specific to gmake.
  60 AM_INIT_AUTOMAKE([1.12 -Wno-portability foreign])
  61 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
  62 AM_SILENT_RULES([yes])
  63 AC_CONFIG_HEADERS(config.h)
  64
  65 AC_PATH_PROG(PERL, perl)
  66 PKG_PROG_PKG_CONFIG
  67
  68 dnl default is to match previous behavior
  69 exampledir=${sysconfdir}
  70 AC_ARG_ENABLE([exampledir],
  71           AS_HELP_STRING([--enable-exampledir],
  72                          [specify alternate directory for examples]),
  73                          exampledir="$enableval",)
  74 dnl XXX add --exampledir to autoconf standard directory list somehow
  75 AC_SUBST(exampledir)
  76
  77 dnl default is to match previous behavior
  78 pkgsrcrcdir=""
  79 AC_ARG_ENABLE([pkgsrcrcdir],
  80           AS_HELP_STRING([--enable-pkgsrcrcdir],
  81                          [specify directory for rc.d scripts]),
  82                          pkgsrcrcdir="$enableval",)
  83 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
  84 AC_SUBST(pkgsrcrcdir)
  85 AM_CONDITIONAL([PKGSRC], [test "x$pkgsrcrcdir" != "x"])
  86
  87 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
  88         moduledir="$withval"
  89 ], [
  90         moduledir="\${libdir}/frr/modules"
  91 ])
  92 AC_SUBST([moduledir], [$moduledir])
  93
  94 yangmodelsdir="\${datarootdir}/yang"
  95 AC_SUBST([yangmodelsdir], [$yangmodelsdir])
  96
  97 libyang_pluginsdir="\${libdir}/frr/libyang_plugins"
  98 AC_SUBST(libyang_pluginsdir)
  99
 100 AC_ARG_ENABLE(tcmalloc,
 101         AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
 102 [case "${enableval}" in
 103   yes) tcmalloc_enabled=true
 104 LIBS="$LIBS -ltcmalloc_minimal"
 105  ;;
 106   no)  tcmalloc_enabled=false ;;
 107   *) AC_MSG_ERROR(bad value ${enableval} for --enable-tcmalloc) ;;
 108 esac],[tcmalloc_enabled=false])
 109
 110
 111 dnl Thanks autoconf, but we don't want a default -g -O2.  We have our own
 112 dnl flag determination logic.
 113 CFLAGS="${CFLAGS:-}"
 114
 115 dnl --------------------
 116 dnl Check CC and friends
 117 dnl --------------------
 118 dnl note orig_cflags is also used further down
 119 orig_cflags="$CFLAGS"
 120 AC_LANG([C])
 121 AC_PROG_CC
 122 AC_PROG_CPP
 123 AM_PROG_CC_C_O
 124 dnl remove autoconf default "-g -O2"
 125 CFLAGS="$orig_cflags"
 126 AC_PROG_CC_C99
 127 dnl NB: see C11 below
 128
 129 AC_PROG_EGREP
 130 PKG_PROG_PKG_CONFIG
 131
 132 dnl autoconf 2.59 appears not to support AC_PROG_SED
 133 dnl AC_PROG_SED
 134 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
 135
 136 dnl try and enable CFLAGS that are useful for FRR
 137 dnl - specifically, options to control warnings
 138
 139 AC_USE_SYSTEM_EXTENSIONS
 140 AC_DEFUN([AC_C_FLAG], [{
 141     m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-],[___])])
 142     AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [
 143         AC_LANG_PUSH(C)
 144         ac_c_flag_save="$CFLAGS"
 145         CFLAGS="$CFLAGS $1"
 146         AC_COMPILE_IFELSE(
 147                 [AC_LANG_PROGRAM([[]])],
 148                 [
 149                         cachename=yes
 150                 ], [
 151                         cachename=no
 152                 ])
 153         CFLAGS="$ac_c_flag_save"
 154         AC_LANG_POP(C)
 155     ])
 156     if test "${cachename}" = yes; then
 157         m4_if([$3], [], [CFLAGS="$CFLAGS $1"], [$3])
 158     else
 159         :
 160         $2
 161     fi
 162     m4_popdef([cachename])
 163 }])
 164
 165 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
 166         AC_LANG_PUSH(C)
 167         ac_cflags_save="$CFLAGS"
 168         ac_libs_save="$LIBS"
 169         CFLAGS="$CFLAGS $1"
 170         LIBS="$LIBS $2"
 171         AC_LINK_IFELSE(
 172                 [$3],
 173                 [
 174                         AC_MSG_RESULT([yes])
 175                         CFLAGS="$ac_cflags_save"
 176                         LIBS="$ac_libs_save"
 177                         $5
 178                 ], [
 179                         AC_MSG_RESULT([no])
 180                         CFLAGS="$ac_cflags_save"
 181                         LIBS="$ac_libs_save"
 182                         $4
 183                 ])
 184         AC_LANG_POP(C)
 185         }])
 186
 187 dnl ICC won't bail on unknown options without -diag-error 10006
 188 dnl need to do this first so we get useful results for the other options
 189 AC_C_FLAG([-diag-error 10006])
 190
 191 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
 192 ac_cc="$CC"
 193 CC="${CC% -std=gnu99}"
 194 CC="${CC% -std=c99}"
 195
 196 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
 197
 198 dnl if the user has specified any CFLAGS, override our settings
 199 if test "x${enable_gcov}" = "xyes"; then
 200    if test "z$orig_cflags" = "z"; then
 201       AC_C_FLAG([-coverage])
 202       AC_C_FLAG([-O0])
 203    fi
 204
 205    LDFLAGS="${LDFLAGS} -lgcov"
 206 elif test "x${enable_dev_build}" = "xyes"; then
 207    AC_DEFINE(DEV_BUILD,,Build for development)
 208    if test "z$orig_cflags" = "z"; then
 209       AC_C_FLAG([-g3])
 210       AC_C_FLAG([-O0])
 211    fi
 212    if test "x${enable_lua}" = "xyes"; then
 213       AC_CHECK_LIB([lua], [lua_newstate],
 214       [LIBS="$LIBS -llua"])
 215       AC_DEFINE(HAVE_LUA,,Lua enabled for development)
 216    fi
 217 else
 218    if test "x${enable_lua}" = "xyes"; then
 219       AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
 220    fi
 221    if test "z$orig_cflags" = "z"; then
 222       AC_C_FLAG([-g])
 223       AC_C_FLAG([-Os], [
 224         AC_C_FLAG([-O2])
 225       ])
 226    fi
 227 fi
 228 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
 229
 230 dnl always want these CFLAGS
 231 AC_C_FLAG([-fno-omit-frame-pointer])
 232 AC_C_FLAG([-funwind-tables])
 233 AC_C_FLAG([-Wall])
 234 AC_C_FLAG([-Wextra])
 235 AC_C_FLAG([-Wmissing-prototypes])
 236 AC_C_FLAG([-Wmissing-declarations])
 237 AC_C_FLAG([-Wpointer-arith])
 238 AC_C_FLAG([-Wbad-function-cast])
 239 AC_C_FLAG([-Wwrite-strings])
 240 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
 241   AC_C_FLAG([-Wcast-qual])
 242   AC_C_FLAG([-Wstrict-prototypes])
 243   AC_C_FLAG([-Wmissing-noreturn])
 244   AC_C_FLAG([-Wmissing-format-attribute])
 245   AC_C_FLAG([-Wunreachable-code])
 246   AC_C_FLAG([-Wpacked])
 247   AC_C_FLAG([-Wpadded])
 248   AC_C_FLAG([-Wshadow])
 249 else
 250   AC_C_FLAG([-Wno-unused-result])
 251 fi
 252 AC_C_FLAG([-Wno-unused-parameter])
 253 AC_C_FLAG([-Wno-missing-field-initializers])
 254
 255 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
 256 dnl for some reason the string consts get 'promoted' to char *,
 257 dnl triggering a const to non-const conversion warning.
 258 AC_C_FLAG([-diag-disable 3179])
 259
 260 if test x"${enable_werror}" = x"yes" ; then
 261   WERROR="-Werror"
 262 fi
 263 AC_SUBST(WERROR)
 264
 265 SAN_FLAGS=""
 266 if test "$enable_address_sanitizer" = "yes"; then
 267   AC_C_FLAG([-fsanitize=address], [
 268     AC_MSG_ERROR([$CC does not support Address Sanitizer.])
 269   ], [
 270     SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
 271   ])
 272 fi
 273 if test "$enable_thread_sanitizer" = "yes"; then
 274   AC_C_FLAG([-fsanitize=thread], [
 275     AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
 276   ], [
 277     SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
 278   ])
 279 fi
 280 if test "$enable_memory_sanitizer" = "yes"; then
 281   AC_C_FLAG([-fsanitize=thread -fPIE -pie], [
 282     AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
 283   ], [
 284     SAN_FLAGS="-fsanitize=memory -fPIE -pie"
 285   ])
 286 fi
 287 AC_SUBST([SAN_FLAGS])
 288
 289 dnl ----------
 290 dnl Essentials
 291 dnl ----------
 292
 293 AX_PTHREAD([
 294   CC="$PTHREAD_CC"
 295   CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 296   LIBS="$PTHREAD_LIBS $LIBS"
 297 ], [
 298   AC_MSG_FAILURE([This FRR version needs pthreads])
 299 ])
 300
 301 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
 302                 [frr_cv_pthread_condattr_setclock=yes],
 303                 [frr_cv_pthread_condattr_setclock=no])
 304 if test "$frr_cv_pthread_condattr_setclock" = yes; then
 305   AC_DEFINE(HAVE_PTHREAD_CONDATTR_SETCLOCK, 1, [Have pthread.h pthread_condattr_setclock])
 306 fi
 307
 308 dnl --------------
 309 dnl Check programs
 310 dnl --------------
 311 AC_PROG_INSTALL
 312 AC_PROG_LN_S
 313 AC_PROG_MAKE_SET
 314 AC_CHECK_TOOL(AR, ar)
 315
 316 dnl -------
 317 dnl libtool
 318 dnl -------
 319 AC_ARG_ENABLE(static-bin,
 320   AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
 321 LT_INIT
 322 _LT_CONFIG_LIBTOOL([
 323   patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
 324     AC_MSG_WARN([Could not patch libtool for static linking support.  Loading modules into a statically linked daemon will fail.])
 325 ])
 326 if test "$enable_static_bin" = "yes"; then
 327   AC_LDFLAGS="-static"
 328 fi
 329 AC_SUBST(AC_LDFLAGS)
 330 AM_CONDITIONAL([STATIC_BIN], [test "x$enable_static_bin" = "xyes"])
 331
 332 dnl $AR and $RANLIB are set by LT_INIT above
 333 AC_MSG_CHECKING([whether $AR supports D option])
 334 if $AR crD conftest.a; then
 335   AC_MSG_RESULT([yes])
 336   dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
 337   ARFLAGS="crD"
 338   AR_FLAGS="crD"
 339 else
 340   AC_MSG_RESULT([no])
 341   ARFLAGS="cru"
 342   AR_FLAGS="cru"
 343 fi
 344 AC_SUBST(ARFLAGS)
 345 AC_SUBST(AR_FLAGS)
 346
 347 AC_MSG_CHECKING([whether $RANLIB supports D option])
 348 if $RANLIB -D conftest.a; then
 349   AC_MSG_RESULT([yes])
 350   RANLIB="$RANLIB -D"
 351 else
 352   AC_MSG_RESULT([no])
 353 fi
 354 AC_SUBST(RANLIB)
 355
 356 test -f conftest.a && rm conftest.a
 357
 358 dnl ----------------------
 359 dnl Packages configuration
 360 dnl ----------------------
 361 if test -f config.version; then
 362   . ./config.version
 363 elif test -f "${srcdir}/config.version"; then
 364   . "${srcdir}/config.version"
 365 fi
 366 AC_ARG_WITH(pkg-extra-version,
 367   AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
 368   if test "$withval" = "no"; then
 369     EXTRAVERSION=
 370   else
 371     EXTRAVERSION=$withval
 372   fi
 373 ], [])
 374 AC_ARG_WITH(pkg-git-version,
 375         AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
 376         [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
 377 AC_ARG_WITH(vtysh_pager,
 378         AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
 379         VTYSH_PAGER=$withval, VTYSH_PAGER="more")
 380 AC_ARG_ENABLE(vtysh,
 381   AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
 382 AC_ARG_ENABLE(doc,
 383   AS_HELP_STRING([--disable-doc], [do not build docs]))
 384 AC_ARG_ENABLE(doc-html,
 385   AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
 386 AC_ARG_ENABLE(zebra,
 387   AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
 388 AC_ARG_ENABLE(bgpd,
 389   AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
 390 AC_ARG_ENABLE(ripd,
 391   AS_HELP_STRING([--disable-ripd], [do not build ripd]))
 392 AC_ARG_ENABLE(ripngd,
 393   AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
 394 AC_ARG_ENABLE(ospfd,
 395   AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
 396 AC_ARG_ENABLE(ospf6d,
 397   AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
 398 AC_ARG_ENABLE(ldpd,
 399   AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
 400 AC_ARG_ENABLE(nhrpd,
 401   AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
 402 AC_ARG_ENABLE(eigrpd,
 403   AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
 404 AC_ARG_ENABLE(babeld,
 405   AS_HELP_STRING([--disable-babeld], [do not build babeld]))
 406 AC_ARG_ENABLE(watchfrr,
 407   AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
 408 AC_ARG_ENABLE(isisd,
 409   AS_HELP_STRING([--disable-isisd], [do not build isisd]))
 410 AC_ARG_ENABLE(pimd,
 411   AS_HELP_STRING([--disable-pimd], [do not build pimd]))
 412 AC_ARG_ENABLE(pbrd,
 413   AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
 414 AC_ARG_ENABLE(sharpd,
 415   AS_HELP_STRING([--enable-sharpd], [build sharpd]))
 416 AC_ARG_ENABLE(staticd,
 417   AS_HELP_STRING([--disable-staticd], [do not build staticd]))
 418 AC_ARG_ENABLE(fabricd,
 419   AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
 420 AC_ARG_ENABLE(bgp-announce,
 421   AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
 422 AC_ARG_ENABLE(bgp-vnc,
 423   AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
 424 AC_ARG_ENABLE(snmp,
 425   AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
 426 AC_ARG_ENABLE(config_rollbacks,
 427   AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
 428 AC_ARG_ENABLE(zeromq,
 429   AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
 430 AC_ARG_WITH(libpam,
 431   AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
 432 AC_ARG_ENABLE(ospfapi,
 433   AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
 434 AC_ARG_ENABLE(ospfclient,
 435   AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
 436                           (this is the default if --disable-ospfapi is set)]))
 437 AC_ARG_ENABLE(multipath,
 438   AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
 439 AC_ARG_ENABLE(user,
 440   AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
 441 AC_ARG_ENABLE(group,
 442   AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
 443 AC_ARG_ENABLE(vty_group,
 444   AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
 445 AC_ARG_ENABLE(configfile_mask,
 446   AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
 447 AC_ARG_ENABLE(logfile_mask,
 448   AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
 449 AC_ARG_ENABLE(shell_access,
 450   AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
 451 AC_ARG_ENABLE(realms,
 452   AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
 453 AC_ARG_ENABLE(rtadv,
 454   AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
 455 AC_ARG_ENABLE(irdp,
 456   AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
 457 AC_ARG_ENABLE(capabilities,
 458   AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
 459 AC_ARG_ENABLE(rusage,
 460   AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
 461 AC_ARG_ENABLE(gcc_ultra_verbose,
 462   AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
 463 AC_ARG_ENABLE(backtrace,
 464   AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
 465 AC_ARG_ENABLE(time-check,
 466   AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
 467 AC_ARG_ENABLE(pcreposix,
 468   AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
 469 AC_ARG_ENABLE(fpm,
 470   AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
 471 AC_ARG_ENABLE(systemd,
 472   AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
 473 AC_ARG_ENABLE(werror,
 474   AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
 475 AC_ARG_ENABLE(cumulus,
 476   AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
 477 AC_ARG_ENABLE(datacenter,
 478   AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
 479 AC_ARG_ENABLE(fuzzing,
 480   AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
 481 AC_ARG_ENABLE(netlink_fuzzing,
 482   AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
 483 AC_ARG_ENABLE(rr-semantics,
 484   AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
 485 AC_ARG_ENABLE([protobuf],
 486   AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
 487 AC_ARG_ENABLE([oldvpn_commands],
 488   AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
 489 AC_ARG_ENABLE(rpki,
 490   AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
 491 AC_ARG_ENABLE([clippy-only],
 492   AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
 493 AC_ARG_ENABLE([numeric_version],
 494   AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
 495 AC_ARG_ENABLE([gcov],
 496   AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
 497 AC_ARG_ENABLE(bfdd,
 498   AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
 499 AC_ARG_ENABLE([address-sanitizer],
 500   AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
 501 AC_ARG_ENABLE([thread-sanitizer],
 502   AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
 503 AC_ARG_ENABLE([memory-sanitizer],
 504   AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
 505
 506 AS_IF([test "${enable_clippy_only}" != "yes"], [
 507 AC_CHECK_HEADERS(json-c/json.h)
 508 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c", [], [-lm])
 509 if test "$ac_cv_lib_json_c_json_object_get" = no; then
 510   AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
 511   if test "$ac_cv_lib_json_json_object_get" = no; then
 512       AC_MSG_ERROR([lib json is needed to compile])
 513   fi
 514 fi
 515 ])
 516
 517 AC_ARG_ENABLE([dev_build],
 518     AS_HELP_STRING([--enable-dev-build], [build for development]))
 519
 520 AC_ARG_ENABLE([lua],
 521     AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
 522
 523 if test x"${enable_time_check}" != x"no" ; then
 524   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
 525     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
 526   else
 527     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
 528   fi
 529 fi
 530
 531 case "${enable_systemd}" in
 532   "no") ;;
 533   "yes")
 534   AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
 535   if test $ac_cv_lib_systemd_sd_notify = no; then
 536     AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
 537   else
 538     AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
 539   fi
 540   ;;
 541   "*") ;;
 542 esac
 543
 544 if test "${enable_rr_semantics}" != "no" ; then
 545   AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
 546 fi
 547
 548 if test "${enable_datacenter}" = "yes" ; then
 549   AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
 550   DFLT_NAME="datacenter"
 551 else
 552   DFLT_NAME="traditional"
 553 fi
 554
 555 if test "${enable_fuzzing}" = "yes" ; then
 556   AC_DEFINE(HANDLE_ZAPI_FUZZING,,Compile extensions to use with a fuzzer)
 557 fi
 558
 559 if test "${enable_netlink_fuzzing}" = "yes" ; then
 560   AC_DEFINE(HANDLE_NETLINK_FUZZING,,Compile extensions to use with a fuzzer for netlink)
 561 fi
 562
 563 if test "${enable_cumulus}" = "yes" ; then
 564   AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
 565 fi
 566
 567 AC_SUBST(DFLT_NAME)
 568 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
 569
 570 if test "${enable_shell_access}" = "yes"; then
 571    AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
 572 fi
 573
 574 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
 575
 576 #
 577 # Python for clippy
 578 #
 579
 580 AC_DEFUN([FRR_PYTHON_CHECK_WORKING], [
 581   AC_MSG_CHECKING([whether we found a working Python version])
 582   AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
 583 #include <Python.h>
 584 #if PY_VERSION_HEX < 0x02070000
 585 #error python too old
 586 #endif
 587 int main(void);
 588 ],
 589 [
 590 {
 591   Py_Initialize();
 592   return 0;
 593 }
 594 ])], [
 595     # some python installs are missing the zlib dependency...
 596     PYTHON_LIBS="${PYTHON_LIBS} -lz"
 597     AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
 598 #include <Python.h>
 599 #if PY_VERSION_HEX < 0x02070000
 600 #error python too old
 601 #endif
 602 int main(void);
 603 ],
 604 [
 605 {
 606   Py_Initialize();
 607   return 0;
 608 }
 609 ])], [
 610       m4_if([$1], [], [
 611         PYTHONCONFIG=""
 612         unset PYTHON_LIBS
 613         unset PYTHON_CFLAGS
 614       ], [$1])
 615     ])
 616   ])
 617 ])
 618
 619 AS_IF([test "$host" = "$build"], [
 620   PYTHONCONFIG=""
 621
 622   # ordering:
 623   # 1.  try python3, but respect the user's preference on which minor ver
 624   # 2.  try python, which might be py3 or py2 again on the user's preference
 625   # 3.  try python2 (can really only be 2.7 but eh)
 626   # 4.  try 3.6 > 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
 627   #
 628   # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
 629   # (AX_PYTHON does not do what we need)
 630
 631   AC_CHECK_TOOLS([PYTHONCONFIG], [ \
 632         python3-config \
 633         python-config \
 634         python2-config \
 635         python3.6-config \
 636         python3.5-config \
 637         python3.4-config \
 638         python3.3-config \
 639         python3.2-config \
 640         python2.7-config ])
 641   if test -n "$PYTHONCONFIG"; then
 642     PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
 643     PYTHON_LIBS="`\"${PYTHONCONFIG}\" --ldflags`"
 644
 645     FRR_PYTHON_CHECK_WORKING([])
 646   fi
 647
 648   if test -z "$PYTHONCONFIG"; then
 649     PKG_CHECK_MODULES([PYTHON], python-3.6, [], [
 650       PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
 651         PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
 652           PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
 653             PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
 654               PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
 655                 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
 656                 ])])])])])])
 657
 658
 659     FRR_PYTHON_CHECK_WORKING([
 660       AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
 661     ])
 662   fi
 663 ])
 664 AC_SUBST(PYTHON_CFLAGS)
 665 AC_SUBST(PYTHON_LIBS)
 666
 667 #
 668 # Logic for protobuf support.
 669 #
 670 if test "$enable_protobuf" = "yes"; then
 671   # Check for protoc & protoc-c
 672
 673   # protoc is not required, it's only for a "be nice" helper target
 674   AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
 675
 676   AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
 677   if test "$PROTOC_C" = "/bin/false"; then
 678     AC_MSG_FAILURE([protobuf requested but protoc-c not found.  Install protobuf-c.])
 679   fi
 680
 681   PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
 682     AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found.  Install protobuf-c.])
 683   ])
 684   AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [], [
 685     AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found.  Install protobuf-c.])
 686   ])
 687
 688   AC_DEFINE(HAVE_PROTOBUF,, protobuf)
 689 fi
 690 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$enable_protobuf" = "xyes"])
 691
 692 #
 693 # Logic for old vpn commans support.
 694 #
 695 if test "$enable_oldvpn_commands" = "yes"; then
 696    AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
 697 fi
 698
 699 #
 700 # End of logic for protobuf support.
 701 #
 702
 703 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
 704 if test "${enable_rtadv}" != "no"; then
 705   AC_MSG_RESULT(yes)
 706   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
 707 else
 708   AC_MSG_RESULT(no)
 709 fi
 710
 711 if test x"${enable_user}" = x"no"; then
 712   enable_user=""
 713 else
 714   if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
 715     enable_user="frr"
 716   fi
 717   AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
 718 fi
 719
 720 if test x"${enable_group}" = x"no"; then
 721   enable_group=""
 722 else
 723   if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
 724     enable_group="frr"
 725   fi
 726   AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
 727 fi
 728
 729 if test x"${enable_vty_group}" = x"yes" ; then
 730   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 731 elif test x"${enable_vty_group}" != x""; then
 732   if test x"${enable_vty_group}" != x"no"; then
 733     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 734   fi
 735 fi
 736 AC_SUBST([enable_user])
 737 AC_SUBST([enable_group])
 738 AC_SUBST([enable_vty_group])
 739
 740 enable_configfile_mask=${enable_configfile_mask:-0600}
 741 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
 742
 743 enable_logfile_mask=${enable_logfile_mask:-0600}
 744 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
 745
 746 MPATH_NUM=1
 747
 748 case "${enable_multipath}" in
 749   0)
 750     MPATH_NUM=64
 751     ;;
 752   [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
 753     MPATH_NUM="${enable_multipath}"
 754     ;;
 755   "")
 756     ;;
 757   *)
 758     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
 759     ;;
 760 esac
 761
 762 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
 763
 764 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
 765
 766 dnl --------------------
 767 dnl Enable code coverage
 768 dnl --------------------
 769 AM_CONDITIONAL([HAVE_GCOV],[test '!' "$enable_gcov" = no])
 770
 771 dnl ------------------------------------
 772 dnl Alpine only accepts numeric versions
 773 dnl ------------------------------------
 774 if test "x${enable_numeric_version}" != "x" ; then
 775   VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
 776   PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
 777 fi
 778
 779 dnl -----------------------------------
 780 dnl Add extra version string to package
 781 dnl name, string and version fields.
 782 dnl -----------------------------------
 783 if test "x${EXTRAVERSION}" != "x" ; then
 784   VERSION="${VERSION}${EXTRAVERSION}"
 785   PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
 786   AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
 787   PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
 788 fi
 789 AC_SUBST(EXTRAVERSION)
 790
 791 if test "x$with_pkg_git_version" = "xyes"; then
 792         if test -d "${srcdir}/.git"; then
 793                 AC_DEFINE(GIT_VERSION, [1], [include git version info])
 794         else    with_pkg_git_version="no"
 795                 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
 796         fi
 797 fi
 798 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
 799
 800 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
 801 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
 802   frr_cv_interp=""
 803   AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
 804     if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
 805       frr_cv_interp="`xargs -0 echo < conftest.interp`"
 806     fi
 807     test -f conftest.interp && rm conftest.interp
 808   ])
 809 ])
 810 if test -n "$frr_cv_interp"; then
 811   AC_DEFINE_UNQUOTED(INTERP, ["$frr_cv_interp"], [.interp value])
 812 fi
 813
 814 dnl ------------------------------------
 815 dnl Check C keywords and standard  types
 816 dnl ------------------------------------
 817 AC_C_CONST
 818 AC_C_INLINE
 819 AC_C_VOLATILE
 820 AC_HEADER_STDC
 821 dnl AC_TYPE_PID_T
 822 AC_TYPE_UID_T
 823 AC_TYPE_MODE_T
 824 AC_TYPE_SIZE_T
 825 AC_STRUCT_TM
 826
 827 dnl -------------------------
 828 dnl Check other header files.
 829 dnl -------------------------
 830 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
 831         linux/version.h asm/types.h \
 832         sys/cdefs.h])
 833
 834 ac_stdatomic_ok=false
 835 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
 836 AC_CHECK_HEADER([stdatomic.h],[
 837
 838   AC_MSG_CHECKING([whether _Atomic qualifier works])
 839   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 840 #include <stdatomic.h>
 841 int main(int argc, char **argv) {
 842   _Atomic int i = 0;
 843   return i;
 844 }
 845 ]])], [
 846     AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
 847     AC_MSG_RESULT([yes])
 848     ac_stdatomic_ok=true
 849   ], [
 850     AC_MSG_RESULT([no])
 851   ])
 852 ])
 853
 854 AS_IF([$ac_stdatomic_ok], [true], [
 855   AC_MSG_CHECKING([for __atomic_* builtins])
 856   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 857 int main(int argc, char **argv) {
 858   volatile int i = 1;
 859   __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
 860   return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
 861 }
 862 ]])], [
 863     AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
 864     AC_MSG_RESULT([yes])
 865   ], [
 866     AC_MSG_RESULT([no])
 867
 868     dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
 869     AC_MSG_CHECKING([for __sync_* builtins])
 870     AC_LINK_IFELSE([AC_LANG_SOURCE([[
 871 int main(int argc, char **argv) {
 872   volatile int i = 1;
 873   __sync_fetch_and_sub (&i, 1);
 874   return __sync_val_compare_and_swap (&i, 0, 1);
 875 }
 876 ]])], [
 877       AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
 878       AC_MSG_RESULT([yes])
 879
 880       AC_MSG_CHECKING([for __sync_swap builtin])
 881       AC_LINK_IFELSE([AC_LANG_SOURCE([[
 882 int main(int argc, char **argv) {
 883   volatile int i = 1;
 884   return __sync_swap (&i, 2);
 885 }
 886 ]])], [
 887         AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
 888         AC_MSG_RESULT([yes])
 889       ], [
 890         AC_MSG_RESULT([no])
 891       ])
 892
 893     ], [
 894       AC_MSG_RESULT([no])
 895       AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
 896     ])
 897   ])
 898 ])
 899
 900 AC_CHECK_HEADERS([pthread_np.h],,, [
 901 #include <pthread.h>
 902 ])
 903 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
 904
 905 dnl Utility macro to avoid retyping includes all the time
 906 m4_define([FRR_INCLUDES],
 907 [#ifdef SUNOS_5
 908 #define _POSIX_C_SOURCE 200809L
 909 #define __EXTENSIONS__
 910 #endif
 911 #include <stdio.h>
 912 #include <stdlib.h>
 913 #include <stddef.h>
 914 #include <sys/types.h>
 915 /* sys/conf.h depends on param.h on FBSD at least */
 916 #include <sys/param.h>
 917 /* Required for MAXSIG */
 918 #include <signal.h>
 919 #include <sys/socket.h>
 920 #ifdef __APPLE__
 921 # define __APPLE_USE_RFC_3542
 922 #endif
 923 #include <netinet/in.h>
 924 #include <sys/time.h>
 925 #include <time.h>
 926 #include <net/if.h>
 927 ])dnl
 928
 929 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
 930 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
 931 dnl an additional round for it.
 932
 933 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
 934
 935 m4_define([FRR_INCLUDES],
 936 FRR_INCLUDES
 937 [#if HAVE_NET_IF_VAR_H
 938 # include <net/if_var.h>
 939 #endif
 940 ])dnl
 941
 942 AC_CHECK_HEADERS([netinet/in_var.h \
 943         net/if_dl.h net/netopt.h \
 944         inet/nd.h netinet/ip_icmp.h \
 945         sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
 946         [], [], FRR_INCLUDES)
 947
 948 AC_CHECK_HEADERS([ucontext.h], [], [],
 949 [#ifndef __USE_GNU
 950 #define __USE_GNU
 951 #endif /* __USE_GNU */
 952 FRR_INCLUDES
 953 ])
 954
 955 m4_define([UCONTEXT_INCLUDES],
 956 [#include <ucontext.h>])dnl
 957
 958 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
 959   [], [], [UCONTEXT_INCLUDES])
 960 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
 961   [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
 962    [], [], [UCONTEXT_INCLUDES])],
 963   [], [UCONTEXT_INCLUDES])
 964 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
 965   [], [], [UCONTEXT_INCLUDES])
 966
 967 m4_define([FRR_INCLUDES],
 968 FRR_INCLUDES
 969 [
 970 #include <sys/un.h>
 971 #include <netinet/in_systm.h>
 972 #if HAVE_NETINET_IN_VAR_H
 973 # include <netinet/in_var.h>
 974 #endif
 975 #if HAVE_NET_IF_DL_H
 976 # include <net/if_dl.h>
 977 #endif
 978 #if HAVE_NET_NETOPT_H
 979 # include <net/netopt.h>
 980 #endif
 981 #include <net/route.h>
 982 #if HAVE_INET_ND_H
 983 # include <inet/nd.h>
 984 #endif
 985 #include <arpa/inet.h>
 986 /* Required for IDRP */
 987 #if HAVE_NETINET_IP_ICMP_H
 988 # include <netinet/ip_icmp.h>
 989 #endif
 990 ])dnl
 991
 992 dnl V6 headers are checked below, after we check for v6
 993
 994 AC_MSG_CHECKING([which operating system interface to use])
 995 case "$host_os" in
 996   sunos* | solaris2*)
 997     AC_MSG_RESULT([Solaris])
 998
 999     AC_DEFINE(SUNOS_5, 1, [SunOS 5])
1000     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
1001     AC_DEFINE(_POSIX_C_SOURCE, 200809L, [enable POSIX.1-2008 and XPG7/SUSv4])
1002
1003     AC_CHECK_LIB(socket, main)
1004     AC_CHECK_LIB(nsl, main)
1005     AC_CHECK_LIB(umem, main)
1006     SOLARIS="solaris"
1007     ;;
1008   linux*)
1009     AC_MSG_RESULT([Linux])
1010
1011     AC_DEFINE(GNU_LINUX,,GNU Linux)
1012     AC_DEFINE(HAVE_NETLINK,,netlink)
1013     AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
1014
1015     dnl Linux has a compilation problem with mixing
1016     dnl netinet/in.h and linux/in6.h they are not
1017     dnl compatible.  There has been discussion on
1018     dnl how to fix it but no real progress on implementation
1019     dnl when they fix it, remove this
1020     AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
1021     ;;
1022   openbsd*)
1023     AC_MSG_RESULT([OpenBSD])
1024
1025     AC_DEFINE(OPEN_BSD,,OpenBSD)
1026     AC_DEFINE(KAME,1,KAME IPv6)
1027     AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
1028
1029     if test "x${enable_pimd}" != "xno"; then
1030       case "$host_os" in
1031       openbsd6.0)
1032         ;;
1033       openbsd[6-9]*)
1034         AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
1035         ;;
1036       esac
1037     fi
1038     ;;
1039   *)
1040     AC_MSG_RESULT([BSD])
1041
1042     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
1043     AC_DEFINE(KAME,1,KAME IPv6)
1044     AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
1045     ;;
1046 esac
1047 AM_CONDITIONAL(SOLARIS, test "${SOLARIS}" = "solaris")
1048
1049 AC_SYS_LARGEFILE
1050
1051 dnl ------------------------
1052 dnl Integrated REALMS option
1053 dnl ------------------------
1054 if test "${enable_realms}" = "yes"; then
1055     case "$host_os" in
1056       linux*)
1057        AC_DEFINE(SUPPORT_REALMS,, Realms support)
1058        ;;
1059       *)
1060        echo "Sorry, only Linux has REALMS support"
1061        exit 1
1062        ;;
1063     esac
1064 fi
1065 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
1066
1067 dnl ---------------------
1068 dnl Integrated VTY option
1069 dnl ---------------------
1070 case "${enable_vtysh}" in
1071 "no")
1072   VTYSH="";;
1073 *)
1074   VTYSH="vtysh";
1075   AC_DEFINE(VTYSH,,VTY shell)
1076
1077   prev_libs="$LIBS"
1078   AC_CHECK_LIB(readline, main, [
1079     LIBREADLINE="-lreadline"
1080   ], [
1081     dnl readline failed - it might be incorrectly linked and missing its
1082     dnl termcap/tinfo/curses dependency.  see if we can fix that...
1083     AC_SEARCH_LIBS(tputs, [termcap tinfo curses ncurses], [
1084       LIBREADLINE="$ac_cv_search_tputs"
1085     ], [
1086       AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1087     ])
1088
1089     dnl re-try with the lib we found above
1090     unset ac_cv_lib_readline_main
1091     AC_CHECK_LIB(readline, main, [
1092       LIBREADLINE="-lreadline $LIBREADLINE"
1093     ], [
1094       AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1095     ], [$LIBREADLINE])
1096   ], [])
1097   LIBS="$prev_libs"
1098
1099   AC_CHECK_HEADER(readline/history.h)
1100   if test $ac_cv_header_readline_history_h = no;then
1101     AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1102   fi
1103   AC_CHECK_LIB(readline, rl_completion_matches, [true], [], [$LIBREADLINE])
1104   if test $ac_cv_lib_readline_rl_completion_matches = no; then
1105     AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
1106   fi
1107   AC_CHECK_LIB(readline, [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1108   if test "$frr_cv_append_history" = yes; then
1109     AC_DEFINE(HAVE_APPEND_HISTORY, 1, [Have history.h append_history])
1110   fi
1111   ;;
1112 esac
1113 AC_SUBST(LIBREADLINE)
1114 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
1115
1116 dnl ----------
1117 dnl PAM module
1118 dnl
1119 dnl FRR detects the PAM library it is built against by checking for a
1120 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1121 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1122 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1123 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1124 dnl of OpenPAM.
1125 dnl ----------
1126 if test "$with_libpam" = "yes"; then
1127   AC_CHECK_HEADER([security/pam_misc.h],
1128     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
1129      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
1130      pam_conv_func="misc_conv"
1131     ],
1132     [], FRR_INCLUDES)
1133   AC_CHECK_HEADER([security/openpam.h],
1134     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
1135      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
1136      pam_conv_func="openpam_ttyconv"
1137     ],
1138     [], FRR_INCLUDES[#include <security/pam_appl.h>])
1139   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1140     AC_MSG_WARN([*** pam support will not be built ***])
1141     with_libpam="no"
1142   fi
1143 fi
1144
1145 if test "$with_libpam" = "yes"; then
1146 dnl took this test from proftpds configure.in and suited to our needs
1147 dnl -------------------------------------------------------------------------
1148 dnl
1149 dnl This next check looks funky due to a linker problem with some versions
1150 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
1151 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1152 dnl with RedHat 6.2 and Debian 2.2 or better.
1153 AC_CHECK_LIB(pam, pam_start,
1154   [AC_CHECK_LIB(pam, $pam_conv_func,
1155     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1156      LIBPAM="-lpam"],
1157     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1158      LIBPAM="-lpam -lpam_misc"]
1159     )
1160   ],
1161
1162   [AC_CHECK_LIB(pam, pam_end,
1163     [AC_CHECK_LIB(pam, $pam_conv_func,
1164       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1165        LIBPAM="-lpam -ldl"],
1166       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1167        LIBPAM="-lpam -ldl -lpam_misc"]
1168      )
1169   ],AC_MSG_WARN([*** pam support will not be built ***]),
1170   [-ldl])
1171   ]
1172 )
1173 fi
1174 AC_SUBST(LIBPAM)
1175
1176 dnl -------------------------------
1177 dnl Endian-ness check
1178 dnl -------------------------------
1179 AC_WORDS_BIGENDIAN
1180
1181 dnl -------------------------------
1182 dnl check the size in byte of the C
1183 dnl -------------------------------
1184 dnl AC_CHECK_SIZEOF(char)
1185 dnl AC_CHECK_SIZEOF(int)
1186 dnl AC_CHECK_SIZEOF(short)
1187 dnl AC_CHECK_SIZEOF(long)
1188
1189 dnl ----------------------------
1190 dnl check existance of functions
1191 dnl ----------------------------
1192 AC_FUNC_FNMATCH
1193 AC_FUNC_FORK
1194 AC_FUNC_MKTIME
1195 AC_FUNC_STAT
1196
1197 dnl -------------------------------
1198 dnl bgpd needs pow() and hence libm
1199 dnl -------------------------------
1200 TMPLIBS="$LIBS"
1201 AC_CHECK_HEADER([math.h],
1202   [AC_CHECK_LIB([m], [pow],
1203     [LIBM="-lm"
1204      LIBS="$LIBS $LIBM"
1205      AC_CHECK_FUNCS(pow,[],[LIBM=""])
1206     ])
1207 ])
1208 if test x"$LIBM" = x ; then
1209   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1210 fi
1211 LIBS="$TMPLIBS"
1212
1213 AC_SUBST(LIBM)
1214
1215 AC_CHECK_FUNCS([ppoll], [
1216   AC_DEFINE([HAVE_PPOLL], 1, [have Linux/BSD ppoll()])
1217 ])
1218 AC_CHECK_FUNCS([pollts], [
1219   AC_DEFINE([HAVE_POLLTS], 1, [have NetBSD pollts()])
1220 ])
1221
1222 dnl ---------------
1223 dnl other functions
1224 dnl ---------------
1225 AC_CHECK_FUNCS([ \
1226         strlcat strlcpy \
1227         getgrouplist])
1228
1229 AC_CHECK_HEADER([asm-generic/unistd.h],
1230                 [AC_CHECK_DECL(__NR_setns,
1231                                AC_DEFINE(HAVE_NETNS,, Have netns),,
1232                                FRR_INCLUDES [#include <asm-generic/unistd.h>
1233                                ])
1234                  AC_CHECK_FUNCS(setns)]
1235                )
1236
1237 dnl --------------------------
1238 dnl Determine IS-IS I/O method
1239 dnl --------------------------
1240 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
1241 AC_DEFINE(ISIS_METHOD_DLPI,     2, [ constant value for isis method dlpi ])
1242 AC_DEFINE(ISIS_METHOD_BPF,      3, [ constant value for isis method bpf ])
1243 AC_CHECK_HEADER(net/bpf.h)
1244 AC_CHECK_HEADER(sys/dlpi.h)
1245 AC_MSG_CHECKING(zebra IS-IS I/O method)
1246
1247 case "$host_os" in
1248   linux*)
1249     AC_MSG_RESULT(pfpacket)
1250     ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1251     ;;
1252   solaris* | sunos*)
1253     AC_MSG_RESULT(DLPI)
1254     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1255     ;;
1256   *)
1257     if test $ac_cv_header_net_bpf_h = no; then
1258       if test $ac_cv_header_sys_dlpi_h = no; then
1259         AC_MSG_RESULT(none)
1260         if test "${enable_isisd}" = yes -o "${enable_fabricd}" = yes; then
1261           AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1262         fi
1263         AC_MSG_WARN([*** IS-IS support will not be built ***])
1264         enable_isisd="no"
1265         enable_fabricd="no"
1266       else
1267         AC_MSG_RESULT(DLPI)
1268       fi
1269       ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1270     else
1271       AC_MSG_RESULT(BPF)
1272       ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1273     fi
1274     ;;
1275 esac
1276 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
1277
1278 dnl ---------------------------------------------------------------
1279 dnl figure out how to specify an interface in multicast sockets API
1280 dnl ---------------------------------------------------------------
1281 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1282
1283 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1284         #include <sys/socket.h>
1285         #include <netinet/in.h>
1286         #define _LINUX_IN_H             /* For Linux <= 2.6.25 */
1287         #include <linux/types.h>
1288 ])
1289
1290 m4_define([FRR_INCLUDES],
1291 FRR_INCLUDES
1292 [#if HAVE_LINUX_MROUTE_H
1293 # include <linux/mroute.h>
1294 #endif
1295 ])dnl
1296
1297 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1298         #include <sys/socket.h>
1299         #include <sys/types.h>
1300         #include <netinet/in.h>
1301         #include <net/route.h>
1302 ])
1303
1304 m4_define([FRR_INCLUDES],
1305 FRR_INCLUDES
1306 [#if HAVE_NETINET_IP_MROUTE_H
1307 # include <netinet/ip_mroute.h>
1308 #endif
1309 ])dnl
1310
1311 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1312 AC_TRY_COMPILE([#include <sys/param.h>],
1313 [#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)
1314   return (0);
1315 #else
1316   #error No support for BSD struct ip_mreq hack detected
1317 #endif],[AC_MSG_RESULT(yes)
1318 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1319 AC_MSG_RESULT(no))
1320
1321 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1322 AC_TRY_COMPILE([
1323 #include <sys/types.h>
1324 #include <netinet/in.h>
1325 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1326 ], [AC_MSG_RESULT(yes)
1327 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1328 AC_MSG_RESULT(no))
1329
1330 dnl ---------------------------------------------------------------
1331 dnl figure out how to check link-state
1332 dnl ---------------------------------------------------------------
1333 AC_CHECK_HEADER( [net/if_media.h],
1334   [m4_define([LINK_DETECT_INCLUDES],
1335     FRR_INCLUDES
1336     [#include <net/if_media.h>
1337   ])
1338   AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1339     AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1340     [], LINK_DETECT_INCLUDES)],
1341   [],
1342   FRR_INCLUDES)
1343
1344 dnl ---------------------------------------------------------------
1345 dnl Additional, newer way to check link-state using ifi_link_state.
1346 dnl Not available in all BSD's when ifmediareq available
1347 dnl ---------------------------------------------------------------
1348 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1349   AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1350   [], FRR_INCLUDES)
1351
1352 dnl ------------------------
1353 dnl TCP_MD5SIG socket option
1354 dnl ------------------------
1355
1356 AC_CHECK_HEADER([netinet/tcp.h],
1357    [m4_define([MD5_INCLUDES],
1358       FRR_INCLUDES
1359       [#include <netinet/tcp.h>
1360     ])
1361     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1362    [],
1363    FRR_INCLUDES)
1364 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1365   AC_CHECK_HEADER([linux/tcp.h],
1366        [m4_define([MD5_INCLUDES],
1367           FRR_INCLUDES
1368           [#include <linux/tcp.h>
1369         ])
1370        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1371 fi
1372
1373 dnl ----------------------------------------------------------------------------
1374 dnl figure out if domainname is available in the utsname struct (GNU extension).
1375 dnl ----------------------------------------------------------------------------
1376 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1377
1378 dnl ------------------
1379 dnl IPv6 header checks
1380 dnl ------------------
1381 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1382         netinet6/in6_var.h netinet6/nd6.h], [], [],
1383         FRR_INCLUDES)
1384
1385 m4_define([FRR_INCLUDES],dnl
1386 FRR_INCLUDES
1387 [#if HAVE_NETINET6_IN6_H
1388 #include <netinet6/in6.h>
1389 #endif
1390 #if HAVE_NETINET_IN6_VAR_H
1391 #include <netinet/in6_var.h>
1392 #endif
1393 #include <netinet/icmp6.h>
1394 #if HAVE_NETINET6_IN6_VAR_H
1395 # include <netinet6/in6_var.h>
1396 #endif
1397 #if HAVE_NETINET6_ND6_H
1398 # include <netinet6/nd6.h>
1399 #endif
1400 ])dnl
1401
1402 dnl disable doc check
1403 AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [/bin/false])
1404 if test "$SPHINXBUILD" = "/bin/false"; then
1405   if test "${enable_doc}" = "yes"; then
1406     AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx-build is not available. Please disable docs or install sphinx.])
1407   fi
1408 fi
1409 AM_CONDITIONAL(DOC, test "${enable_doc}" != "no" -a "$SPHINXBUILD" != "/bin/false")
1410 AM_CONDITIONAL(DOC_HTML, test "${enable_doc_html}" = "yes")
1411
1412 dnl --------------------
1413 dnl Daemon disable check
1414 dnl --------------------
1415 AM_CONDITIONAL(ZEBRA, test "${enable_zebra}" != "no")
1416
1417 if test "${enable_bgpd}" = "no";then
1418   BGPD=""
1419 else
1420   BGPD="bgpd"
1421 fi
1422 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1423
1424 AM_CONDITIONAL(RIPD, test "${enable_ripd}" != "no")
1425 AM_CONDITIONAL(OSPFD, test "${enable_ospfd}" != "no")
1426 AM_CONDITIONAL(LDPD, test "${enable_ldpd}" != "no")
1427
1428 AS_IF([test "${enable_ldpd}" != "no"], [
1429   AC_DEFINE(HAVE_LDPD, 1, ldpd)
1430 ])
1431
1432 if test "$enable_bfdd" = "no"; then
1433   AC_DEFINE(HAVE_BFDD, 0, bfdd)
1434   BFDD=""
1435 else
1436   AC_DEFINE(HAVE_BFDD, 1, bfdd)
1437   BFDD="bfdd"
1438
1439   case $host_os in
1440     linux*)
1441       AC_DEFINE(BFD_LINUX, 1, bfdd)
1442       ;;
1443
1444     *)
1445       AC_DEFINE(BFD_BSD, 1, bfdd)
1446       ;;
1447   esac
1448 fi
1449
1450 AM_CONDITIONAL(BFDD, [test "x$BFDD" = "xbfdd"])
1451
1452 if test "$ac_cv_lib_json_c_json_object_get" = no -a "x$BFDD" = "xbfdd"; then
1453   AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1454 fi
1455
1456 NHRPD=""
1457 case "$host_os" in
1458   linux*)
1459     if test "${enable_nhrpd}" != "no"; then
1460       NHRPD="nhrpd"
1461     fi
1462     ;;
1463   *)
1464     if test "${enable_nhrpd}" = "yes"; then
1465       AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1466     fi
1467     ;;
1468 esac
1469 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1470
1471 AM_CONDITIONAL(EIGRPD, test "${enable_eigrpd}" != "no")
1472
1473 if test "${enable_watchfrr}" = "no";then
1474   WATCHFRR=""
1475 else
1476   WATCHFRR="watchfrr"
1477 fi
1478 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1479
1480 OSPFCLIENT=""
1481 if test "${enable_ospfapi}" != "no";then
1482     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1483
1484   if test "${enable_ospfclient}" != "no";then
1485       OSPFCLIENT="ospfclient"
1486   fi
1487 fi
1488
1489 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1490 AM_CONDITIONAL(RIPNGD, test "${enable_ripngd}" != "no")
1491 AM_CONDITIONAL(BABELD, test "${enable_babeld}" != "no")
1492 AM_CONDITIONAL(OSPF6D, test "${enable_ospf6d}" != "no")
1493 AM_CONDITIONAL(ISISD, test "${enable_isisd}" != "no")
1494 AM_CONDITIONAL(PIMD, test "${enable_pimd}" != "no")
1495 AM_CONDITIONAL(PBRD, test "${enable_pbrd}" != "no")
1496 AM_CONDITIONAL(SHARPD, test "${enable_sharpd}" = "yes")
1497 AM_CONDITIONAL(STATICD, test "${enable_staticd}" != "no")
1498 AM_CONDITIONAL(FABRICD, test "${enable_fabricd}" != "no")
1499
1500 if test "${enable_bgp_announce}" = "no";then
1501   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1502 else
1503   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1504 fi
1505
1506 if test "${enable_bgp_vnc}" != "no";then
1507   AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1508 fi
1509 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1510
1511 AC_SUBST(SOLARIS)
1512 AC_CHECK_LIB(crypt, crypt, [],
1513                     [AC_CHECK_LIB(crypto, DES_crypt)])
1514 AC_CHECK_LIB(resolv, res_init)
1515
1516 dnl ---------------------------
1517 dnl check system has PCRE regexp
1518 dnl ---------------------------
1519 if test "x$enable_pcreposix" = "xyes"; then
1520   AC_CHECK_LIB(pcreposix, regexec, [], [
1521     AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1522   ])
1523 fi
1524 AC_SUBST(HAVE_LIBPCREPOSIX)
1525
1526 dnl ------------------
1527 dnl check C-Ares library
1528 dnl ------------------
1529 if test "${NHRPD}" != ""; then
1530   PKG_CHECK_MODULES([CARES], [libcares], , [
1531     AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1532   ])
1533 fi
1534
1535
1536 dnl ------------------
1537 dnl check Net-SNMP library
1538 dnl ------------------
1539 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1540    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1541    if test x"$NETSNMP_CONFIG" = x"no"; then
1542       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1543    fi
1544    SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1545    SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1546    AC_MSG_CHECKING([whether we can link to Net-SNMP])
1547    AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1548 int main(void);
1549 ],
1550 [
1551 {
1552   return 0;
1553 }
1554 ])], [
1555      AC_MSG_ERROR([--enable-snmp given but not usable])])
1556    case "${enable_snmp}" in
1557      yes)
1558       SNMP_METHOD=agentx
1559       ;;
1560      agentx)
1561       SNMP_METHOD="${enable_snmp}"
1562       ;;
1563      *)
1564       AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1565       ;;
1566    esac
1567    AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1568    AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1569 fi
1570 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1571 AC_SUBST(SNMP_LIBS)
1572 AC_SUBST(SNMP_CFLAGS)
1573
1574 dnl ---------------
1575 dnl libyang
1576 dnl ---------------
1577 PKG_CHECK_MODULES(libyang, [libyang >= 0.16.7], , [
1578   AC_MSG_ERROR([libyang (>= 0.16.7) was not found on your system.])
1579 ])
1580
1581 dnl ---------------
1582 dnl configuration rollbacks
1583 dnl ---------------
1584 SQLITE3=false
1585 if test "$enable_config_rollbacks" = "yes"; then
1586   PKG_CHECK_MODULES(sqlite3,[sqlite3], [
1587     AC_DEFINE(HAVE_CONFIG_ROLLBACKS,1,Enable configuration rollbacks)
1588     AC_DEFINE(HAVE_SQLITE3,1,Enable sqlite3 database)
1589     SQLITE3=true
1590   ], [
1591     AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1592   ])
1593 fi
1594 AM_CONDITIONAL(SQLITE3, $SQLITE3)
1595
1596 dnl ---------------
1597 dnl math
1598 dnl ---------------
1599 AC_SEARCH_LIBS([sqrt], [m])
1600
1601 dnl ---------------
1602 dnl dlopen & dlinfo
1603 dnl ---------------
1604 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1605   AC_MSG_ERROR([unable to find the dlopen()])
1606 ])
1607
1608 AC_CHECK_HEADERS([link.h])
1609
1610 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1611   AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1612 #include <stdlib.h>
1613 #ifdef HAVE_LINK_H
1614 #include <link.h>
1615 #endif
1616 #include <dlfcn.h>
1617 ]], [[
1618   char origin[1];
1619   dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1620 ]])], [
1621     frr_cv_rtld_di_origin=yes
1622   ], [
1623     frr_cv_rtld_di_origin=no
1624   ])
1625 ])
1626 if test "$frr_cv_rtld_di_origin" = yes; then
1627   AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1628 fi
1629
1630 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1631   AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1632 #include <stdlib.h>
1633 #ifdef HAVE_LINK_H
1634 #include <link.h>
1635 #endif
1636 #include <dlfcn.h>
1637 ]], [[
1638   struct link_map *lm = NULL;
1639   dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1640 ]])], [
1641     frr_cv_rtld_di_linkmap=yes
1642   ], [
1643     frr_cv_rtld_di_linkmap=no
1644   ])
1645 ])
1646 if test "$frr_cv_rtld_di_linkmap" = yes; then
1647   AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1648 fi
1649
1650 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1651
1652 dnl ---------------------------
1653 dnl sockaddr and netinet checks
1654 dnl ---------------------------
1655 AC_CHECK_TYPES([
1656         struct sockaddr_dl,
1657         struct vifctl, struct mfcctl, struct sioc_sg_req,
1658         vifi_t, struct sioc_vif_req, struct igmpmsg,
1659         struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1660         struct nd_opt_adv_interval, struct rt_addrinfo,
1661         struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1662         [], [], FRR_INCLUDES)
1663
1664 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1665         struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1666         struct sockaddr_dl.sdl_len,
1667         struct if6_aliasreq.ifra_lifetime,
1668         struct nd_opt_adv_interval.nd_opt_ai_type],
1669         [], [], FRR_INCLUDES)
1670
1671 dnl ---------------------------
1672 dnl IRDP/pktinfo/icmphdr checks
1673 dnl ---------------------------
1674
1675 AC_CHECK_TYPES([struct in_pktinfo], [
1676   AC_CHECK_TYPES([struct icmphdr], [
1677     IRDP=true
1678   ], [
1679     IRDP=false
1680   ], [FRR_INCLUDES])
1681 ], [
1682   IRDP=false
1683 ], [FRR_INCLUDES])
1684
1685 case "${enable_irdp}" in
1686 yes)
1687   $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1688   ;;
1689 no)
1690   IRDP=false
1691   ;;
1692 esac
1693
1694 AM_CONDITIONAL(IRDP, $IRDP)
1695
1696 dnl -----------------------
1697 dnl checking for IP_PKTINFO
1698 dnl -----------------------
1699 AC_MSG_CHECKING(for IP_PKTINFO)
1700 AC_TRY_COMPILE([#include <netdb.h>], [
1701   int opt = IP_PKTINFO;
1702 ], [
1703   AC_MSG_RESULT(yes)
1704   AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1705 ], [
1706   AC_MSG_RESULT(no)
1707 ])
1708
1709 dnl ---------------------------
1710 dnl checking for IP_RECVDSTADDR
1711 dnl ---------------------------
1712 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1713 AC_TRY_COMPILE([#include <netinet/in.h>], [
1714   int opt = IP_RECVDSTADDR;
1715 ], [
1716   AC_MSG_RESULT(yes)
1717   AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1718 ], [
1719   AC_MSG_RESULT(no)
1720 ])
1721
1722 dnl ----------------------
1723 dnl checking for IP_RECVIF
1724 dnl ----------------------
1725 AC_MSG_CHECKING(for IP_RECVIF)
1726 AC_TRY_COMPILE([#include <netinet/in.h>], [
1727   int opt = IP_RECVIF;
1728 ], [
1729   AC_MSG_RESULT(yes)
1730   AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1731 ], [
1732   AC_MSG_RESULT(no)
1733 ])
1734
1735 dnl ----------------------
1736 dnl checking for SO_BINDANY
1737 dnl ----------------------
1738 AC_MSG_CHECKING(for SO_BINDANY)
1739 AC_TRY_COMPILE([#include <sys/socket.h>], [
1740   int opt = SO_BINDANY;
1741 ], [
1742   AC_MSG_RESULT(yes)
1743   AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1744 ], [
1745   AC_MSG_RESULT(no)
1746 ])
1747
1748 dnl ----------------------
1749 dnl checking for IP_FREEBIND
1750 dnl ----------------------
1751 AC_MSG_CHECKING(for IP_FREEBIND)
1752 AC_TRY_COMPILE([#include <netinet/in.h>], [
1753   int opt = IP_FREEBIND;
1754 ], [
1755   AC_MSG_RESULT(yes)
1756   AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1757 ], [
1758   AC_MSG_RESULT(no)
1759 ])
1760
1761 dnl --------------------------------------
1762 dnl checking for be32dec existence or not
1763 dnl --------------------------------------
1764 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1765                [#include <sys/endian.h>])
1766
1767 dnl --------------------------------------
1768 dnl checking for clock_time monotonic struct and call
1769 dnl --------------------------------------
1770 AC_CHECK_DECL(CLOCK_MONOTONIC,
1771         [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1772          AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1773 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1774
1775 dnl --------------------------------------
1776 dnl checking for flex and bison
1777 dnl --------------------------------------
1778
1779 AM_PROG_LEX
1780 AC_MSG_CHECKING(version of flex)
1781 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1782 frr_ac_flex_version="${frr_ac_flex_version##* }"
1783 AC_MSG_RESULT([$frr_ac_flex_version])
1784 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1785   LEX="$SHELL $missing_dir/missing flex"
1786   if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1787     AC_MSG_WARN([using pregenerated flex output files])
1788   else
1789     AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1790   fi
1791   AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1792   AC_SUBST([LEXLIB], [''])
1793 ])
1794
1795 AC_PROG_YACC
1796 dnl thanks GNU bison for this b*llshit...
1797 AC_MSG_CHECKING(version of bison)
1798 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1799 frr_ac_bison_version="${frr_ac_bison_version##* }"
1800 frr_ac_bison_missing="false"
1801 case "x${frr_ac_bison_version}" in
1802   x2.7*)
1803     BISON_OPENBRACE='"'
1804     BISON_CLOSEBRACE='"'
1805     BISON_VERBOSE=''
1806     AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1807     ;;
1808   x2.*|x1.*)
1809     AC_MSG_RESULT([$frr_ac_bison_version])
1810     AC_MSG_WARN([installed bison is too old.  Please install GNU bison 2.7.x or newer.])
1811     frr_ac_bison_missing="true"
1812     ;;
1813   x)
1814     AC_MSG_RESULT([none])
1815     AC_MSG_WARN([could not determine bison version.  Please install GNU bison 2.7.x or newer.])
1816     frr_ac_bison_missing="true"
1817     ;;
1818   *)
1819     BISON_OPENBRACE='{'
1820     BISON_CLOSEBRACE='}'
1821     BISON_VERBOSE='-Dparse.error=verbose'
1822     AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1823     ;;
1824 esac
1825 AC_SUBST(BISON_OPENBRACE)
1826 AC_SUBST(BISON_CLOSEBRACE)
1827 AC_SUBST(BISON_VERBOSE)
1828
1829 if $frr_ac_bison_missing; then
1830   YACC="$SHELL $missing_dir/missing bison -y"
1831   if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1832     AC_MSG_WARN([using pregenerated bison output files])
1833   else
1834     AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1835   fi
1836 fi
1837
1838 dnl -------------------
1839 dnl capabilities checks
1840 dnl -------------------
1841 if test "${enable_capabilities}" != "no"; then
1842   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1843   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1844     [AC_MSG_RESULT(yes)
1845      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1846      frr_ac_keepcaps="yes"],
1847      AC_MSG_RESULT(no)
1848   )
1849   if test x"${frr_ac_keepcaps}" = x"yes"; then
1850     AC_CHECK_HEADERS(sys/capability.h)
1851   fi
1852   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1853     AC_CHECK_LIB(cap, cap_init,
1854       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1855        LIBCAP="-lcap"
1856        frr_ac_lcaps="yes"]
1857     )
1858   else
1859     AC_CHECK_HEADERS(priv.h,
1860      [AC_MSG_CHECKING(Solaris style privileges are available)
1861       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1862           [AC_MSG_RESULT(yes)
1863            AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1864            frr_ac_scaps="yes"],
1865            AC_MSG_RESULT(no)
1866       )
1867      ]
1868    )
1869   fi
1870   if test x"${frr_ac_scaps}" = x"yes" \
1871        -o x"${frr_ac_lcaps}" = x"yes"; then
1872     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1873   fi
1874 fi
1875 AC_SUBST(LIBCAP)
1876
1877 dnl ---------------------------
1878 dnl check for glibc 'backtrace'
1879 dnl ---------------------------
1880 if test x"${enable_backtrace}" != x"no" ; then
1881   backtrace_ok=no
1882   PKG_CHECK_MODULES([UNWIND], [libunwind], [
1883     AC_DEFINE(HAVE_LIBUNWIND, 1, [libunwind])
1884     backtrace_ok=yes
1885   ], [
1886     case "$host_os" in
1887     sunos* | solaris2*)
1888       AC_CHECK_FUNCS([printstack], [
1889         AC_DEFINE([HAVE_PRINTSTACK], 1, [Solaris printstack])
1890         backtrace_ok=yes
1891       ])
1892       ;;
1893     esac
1894     if test "$backtrace_ok" = no; then
1895       AC_CHECK_HEADER([execinfo.h], [
1896         AC_SEARCH_LIBS([backtrace], [execinfo], [
1897           AC_DEFINE(HAVE_GLIBC_BACKTRACE, 1, [Glibc backtrace])
1898           backtrace_ok=yes
1899         ],, [-lm])
1900       ])
1901     fi
1902   ])
1903
1904   if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1905     dnl user explicitly requested backtrace but we failed to find support
1906     AC_MSG_FAILURE([failed to find backtrace or libunwind support])
1907   fi
1908 fi
1909
1910 dnl -----------------------------------------
1911 dnl check for malloc mallinfo struct and call
1912 dnl this must try and link using LIBS, in
1913 dnl order to check no alternative allocator
1914 dnl has been specified, which might not provide
1915 dnl mallinfo, e.g. such as Umem on Solaris.
1916 dnl -----------------------------------------
1917 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
1918
1919 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
1920   AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
1921 #ifdef HAVE_MALLOC_H
1922 #include <malloc.h>
1923 #endif
1924 #ifdef HAVE_MALLOC_NP_H
1925 #include <malloc_np.h>
1926 #endif
1927 #ifdef HAVE_MALLOC_MALLOC_H
1928 #include <malloc/malloc.h>
1929 #endif
1930 ]], [[
1931 struct mallinfo ac_x; ac_x = mallinfo ();
1932 ]])], [
1933     frr_cv_mallinfo=yes
1934   ], [
1935     frr_cv_mallinfo=no
1936   ])
1937 ])
1938 if test "$frr_cv_mallinfo" = yes; then
1939   AC_DEFINE(HAVE_MALLINFO,,mallinfo)
1940 fi
1941
1942 AC_MSG_CHECKING(whether malloc_usable_size is available)
1943 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
1944 #ifdef HAVE_MALLOC_H
1945 #include <malloc.h>
1946 #endif
1947 #ifdef HAVE_MALLOC_MALLOC_H
1948 #include <malloc/malloc.h>
1949 #endif
1950 ]], [[
1951 size_t ac_x; ac_x = malloc_usable_size(NULL);
1952 ]])], [
1953   AC_MSG_RESULT(yes)
1954   AC_DEFINE(HAVE_MALLOC_USABLE_SIZE,,malloc_usable_size)
1955 ], [
1956   AC_MSG_RESULT(no)
1957
1958   AC_MSG_CHECKING(whether malloc_size is available)
1959   AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1960 #ifdef HAVE_MALLOC_H
1961 #include <malloc.h>
1962 #endif
1963 #ifdef HAVE_MALLOC_MALLOC_H
1964 #include <malloc/malloc.h>
1965 #endif
1966 ]], [[
1967 size_t ac_x; ac_x = malloc_size(NULL);
1968 ]])], [
1969     AC_MSG_RESULT(yes)
1970     AC_DEFINE(HAVE_MALLOC_SIZE,,malloc_size)
1971   ], [
1972     AC_MSG_RESULT(no)
1973   ])
1974 ])
1975
1976 dnl ------
1977 dnl ZeroMQ
1978 dnl ------
1979 if test "x$enable_zeromq" != "xno"; then
1980   PKG_CHECK_MODULES(ZEROMQ, [libzmq >= 4.0.0], [
1981     AC_DEFINE(HAVE_ZEROMQ, 1, [Enable ZeroMQ support])
1982     ZEROMQ=true
1983   ], [
1984     if test "x$enable_zeromq" = "xyes"; then
1985       AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1986     fi
1987   ])
1988 fi
1989 AM_CONDITIONAL([ZEROMQ], test "x$ZEROMQ" = "xtrue")
1990
1991 dnl ----------
1992 dnl configure date
1993 dnl ----------
1994 dev_version=`echo $VERSION | grep dev`
1995 #don't expire deprecated code in non 'dev' branch
1996 if test "${dev_version}" = ""; then
1997    CONFDATE=0
1998 else
1999    CONFDATE=`date '+%Y%m%d'`
2000 fi
2001 AC_SUBST(CONFDATE)
2002
2003 dnl ------------------------------
2004 dnl set paths for state directory
2005 dnl ------------------------------
2006 AC_MSG_CHECKING(directory to use for state file)
2007 if test "${prefix}" = "NONE"; then
2008   frr_statedir_prefix="";
2009 else
2010   frr_statedir_prefix=${prefix}
2011 fi
2012 if test "${localstatedir}" = '${prefix}/var'; then
2013   for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2014                         ${frr_statedir_prefix}/var/adm dnl
2015                         ${frr_statedir_prefix}/etc dnl
2016                         /var/run        dnl
2017                         /var/adm        dnl
2018                         /etc            dnl
2019                         /dev/null;
2020   do
2021     test -d $FRR_STATE_DIR && break
2022   done
2023   frr_statedir=$FRR_STATE_DIR
2024 else
2025   frr_statedir=${localstatedir}
2026 fi
2027 if test $frr_statedir = "/dev/null"; then
2028     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
2029 fi
2030 AC_MSG_RESULT(${frr_statedir})
2031 AC_SUBST(frr_statedir)
2032
2033 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
2034 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
2035 AC_DEFINE_UNQUOTED(BFDD_CONTROL_SOCKET, "$frr_statedir/bfdd.sock", bfdd control socket)
2036 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
2037 AC_DEFINE_UNQUOTED(DAEMON_DB_DIR, "$frr_statedir",daemon database directory)
2038
2039 dnl autoconf does this, but it does it too late...
2040 test "x$prefix" = xNONE && prefix=$ac_default_prefix
2041 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2042
2043 dnl get the full path, recursing through variables...
2044 vtysh_bin="$bindir/vtysh"
2045 for I in 1 2 3 4 5 6 7 8 9 10; do
2046         eval vtysh_bin="\"$vtysh_bin\""
2047 done
2048 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
2049 AC_SUBST(vtysh_bin)
2050
2051 CFG_SYSCONF="$sysconfdir"
2052 CFG_SBIN="$sbindir"
2053 CFG_STATE="$frr_statedir"
2054 CFG_MODULE="$moduledir"
2055 CFG_YANGMODELS="$yangmodelsdir"
2056 CFG_LIBYANG_PLUGINS="$libyang_pluginsdir"
2057 for I in 1 2 3 4 5 6 7 8 9 10; do
2058         eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2059         eval CFG_SBIN="\"$CFG_SBIN\""
2060         eval CFG_STATE="\"$CFG_STATE\""
2061         eval CFG_MODULE="\"$CFG_MODULE\""
2062         eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2063         eval CFG_LIBYANG_PLUGINS="\"$CFG_LIBYANG_PLUGINS\""
2064 done
2065 AC_SUBST(CFG_SYSCONF)
2066 AC_SUBST(CFG_SBIN)
2067 AC_SUBST(CFG_STATE)
2068 AC_SUBST(CFG_MODULE)
2069 AC_SUBST(CFG_YANGMODELS)
2070 AC_SUBST(CFG_LIBYANG_PLUGINS)
2071 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
2072 AC_DEFINE_UNQUOTED(YANG_MODELS_PATH, "$CFG_YANGMODELS", path to YANG data models)
2073 AC_DEFINE_UNQUOTED(LIBYANG_PLUGINS_PATH, "$CFG_LIBYANG_PLUGINS", path to libyang plugins)
2074
2075 dnl ------------------------------------
2076 dnl Enable RPKI and add librtr to libs
2077 dnl ------------------------------------
2078 if test "${enable_rpki}" = "yes"; then
2079   PKG_CHECK_MODULES(RTRLIB,[rtrlib >= 0.5.0],
2080       [RPKI=true],
2081       [RPKI=false
2082       AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
2083   )
2084 fi
2085 AM_CONDITIONAL([RPKI], test "x$RPKI" = "xtrue")
2086
2087 dnl ------------------------------------------
2088 dnl Check whether rtrlib was build with ssh support
2089 dnl ------------------------------------------
2090 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
2091 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
2092                         [[struct tr_ssh_config config;]])],
2093         [AC_MSG_RESULT(yes)
2094         AC_DEFINE(FOUND_SSH,,found_ssh)],
2095         AC_MSG_RESULT(no)
2096 )
2097
2098 dnl ---------------------------
2099 dnl Check htonl works correctly
2100 dnl ---------------------------
2101 AC_MSG_CHECKING(for working htonl)
2102 AC_CACHE_VAL(ac_cv_htonl_works,
2103  [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
2104                 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
2105  ]
2106 )
2107 AC_MSG_RESULT($ac_cv_htonl_works)
2108
2109 AC_CONFIG_FILES([Makefile],[sed -e 's/^#AUTODERP# //' -i Makefile])
2110
2111 AC_CONFIG_FILES([
2112           config.version
2113           redhat/frr.spec
2114           solaris/Makefile
2115           debianpkg/changelog
2116           alpine/APKBUILD
2117           snapcraft/snapcraft.yaml
2118           lib/version.h
2119           tests/lib/cli/test_cli.refout
2120           pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2121           pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2122           pkgsrc/eigrpd.sh])
2123
2124 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
2125 AC_CONFIG_FILES([tools/frr],[chmod +x tools/frr])
2126
2127 AC_CONFIG_COMMANDS([lib/route_types.h], [
2128         dst="${ac_abs_top_builddir}/lib/route_types.h"
2129         ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2130                 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2131                 > "${dst}.tmp"
2132         test -f "${dst}" \
2133                 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2134                 && rm "${dst}.tmp" \
2135                 || mv "${dst}.tmp" "${dst}"
2136 ], [
2137         PERL="$PERL"
2138 ])
2139
2140 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
2141     AC_CONFIG_COMMANDS([lib/gitversion.h], [
2142         dst="${ac_abs_top_builddir}/lib/gitversion.h"
2143         ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2144                 "${ac_abs_top_srcdir}" \
2145                 > "${dst}.tmp"
2146         test -f "${dst}" \
2147                 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2148                 && rm "${dst}.tmp" \
2149                 || mv "${dst}.tmp" "${dst}"
2150     ], [
2151         PERL="$PERL"
2152     ])
2153 ])
2154
2155 ## Hack, but working solution to avoid rebuilding of frr.info.
2156 ## It's already in CVS until texinfo 4.7 is more common.
2157 AC_OUTPUT
2158
2159 echo "
2160 FRRouting configuration
2161 ------------------------------
2162 FRR version             : ${PACKAGE_VERSION}
2163 host operating system   : ${host_os}
2164 source code location    : ${srcdir}
2165 compiler                : ${CC}
2166 compiler flags          : ${CFLAGS} ${SAN_FLAGS}
2167 make                    : ${MAKE-make}
2168 linker flags            : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2169 state file directory    : ${frr_statedir}
2170 config file directory   : `eval echo \`echo ${sysconfdir}\``
2171 example directory       : `eval echo \`echo ${exampledir}\``
2172 module directory        : ${CFG_MODULE}
2173 user to run as          : ${enable_user}
2174 group to run as         : ${enable_group}
2175 group for vty sockets   : ${enable_vty_group}
2176 config file mask        : ${enable_configfile_mask}
2177 log file mask           : ${enable_logfile_mask}
2178 zebra protobuf enabled  : ${enable_protobuf:-no}
2179
2180 The above user and group must have read/write access to the state file
2181 directory and to the config files in the config file directory."
2182
2183 if test "${enable_doc}" != "no";then
2184   AS_IF([test "$SPHINXBUILD" = /bin/false],
2185      AC_MSG_WARN(sphinx-build is missing but required to build documentation))
2186 fi