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, 5.1-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])
  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], [$moduledir])
  93
  94 AC_ARG_ENABLE(tcmalloc,
  95         AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
  96 [case "${enableval}" in
  97   yes) tcmalloc_enabled=true
  98 LIBS="$LIBS -ltcmalloc_minimal"
  99  ;;
 100   no)  tcmalloc_enabled=false ;;
 101   *) AC_MSG_ERROR(bad value ${enableval} for --enable-tcmalloc) ;;
 102 esac],[tcmalloc_enabled=false])
 103
 104
 105 dnl Thanks autoconf, but we don't want a default -g -O2.  We have our own
 106 dnl flag determination logic.
 107 CFLAGS="${CFLAGS:-}"
 108
 109 dnl --------------------
 110 dnl Check CC and friends
 111 dnl --------------------
 112 dnl note orig_cflags is also used further down
 113 orig_cflags="$CFLAGS"
 114 AC_LANG([C])
 115 AC_PROG_CC
 116 AC_PROG_CPP
 117 AM_PROG_CC_C_O
 118 dnl remove autoconf default "-g -O2"
 119 CFLAGS="$orig_cflags"
 120 AC_PROG_CC_C99
 121 dnl NB: see C11 below
 122
 123 AC_PROG_EGREP
 124 PKG_PROG_PKG_CONFIG
 125
 126 dnl autoconf 2.59 appears not to support AC_PROG_SED
 127 dnl AC_PROG_SED
 128 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
 129
 130 dnl try and enable CFLAGS that are useful for FRR
 131 dnl - specifically, options to control warnings
 132
 133 AC_USE_SYSTEM_EXTENSIONS
 134 AC_DEFUN([AC_C_FLAG], [{
 135         AC_LANG_PUSH(C)
 136         ac_c_flag_save="$CFLAGS"
 137         CFLAGS="$CFLAGS $1"
 138         AC_MSG_CHECKING([[whether $CC supports $1]])
 139         AC_COMPILE_IFELSE(
 140                 [AC_LANG_PROGRAM([[]])],
 141                 [
 142                         AC_MSG_RESULT([yes])
 143                         m4_if([$3], [], [], [
 144                                 CFLAGS="$ac_c_flag_save"
 145                                 $3
 146                         ])
 147                 ], [
 148                         CFLAGS="$ac_c_flag_save"
 149                         AC_MSG_RESULT([no])
 150                         $2
 151                 ])
 152         AC_LANG_POP(C)
 153         }])
 154
 155 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
 156         AC_LANG_PUSH(C)
 157         ac_cflags_save="$CFLAGS"
 158         ac_libs_save="$LIBS"
 159         CFLAGS="$CFLAGS $1"
 160         LIBS="$LIBS $2"
 161         AC_LINK_IFELSE(
 162                 [$3],
 163                 [
 164                         AC_MSG_RESULT([yes])
 165                         CFLAGS="$ac_cflags_save"
 166                         LIBS="$ac_libs_save"
 167                         $5
 168                 ], [
 169                         AC_MSG_RESULT([no])
 170                         CFLAGS="$ac_cflags_save"
 171                         LIBS="$ac_libs_save"
 172                         $4
 173                 ])
 174         AC_LANG_POP(C)
 175         }])
 176
 177 dnl ICC won't bail on unknown options without -diag-error 10006
 178 dnl need to do this first so we get useful results for the other options
 179 AC_C_FLAG([-diag-error 10006])
 180
 181 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
 182 ac_cc="$CC"
 183 CC="${CC% -std=gnu99}"
 184 CC="${CC% -std=c99}"
 185
 186 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
 187
 188 dnl AddressSanitizer support
 189 AC_ARG_ENABLE([address-sanitizer], AS_HELP_STRING([--enable-address-sanitizer], \
 190               [enabled AddressSanitizer support for detecting a wide variety of \
 191                memory allocation and deallocation errors]), \
 192               [AC_DEFINE(HAVE_ADDRESS_SANITIZER, 1, [enable AddressSanitizer])
 193               ASAN_FLAGS="-fsanitize=address"
 194               SAN_CLIPPY_FLAGS="-fno-sanitize=all"
 195               AC_SUBST([ASAN_FLAGS])
 196               AC_SUBST([SAN_CLIPPY_FLAGS])
 197               LIBS="-ldl $LIBS"
 198               AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Address Sanitizer Enabled])],
 199                                                  [AC_MSG_ERROR([Address Sanitizer not available])])
 200               ])
 201
 202 dnl ThreadSanitizer support
 203 AC_ARG_ENABLE([thread-sanitizer], AS_HELP_STRING([--enable-thread-sanitizer], \
 204               [enabled ThreadSanitizer support for detecting data races]), \
 205               [AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable ThreadSanitizer])
 206               TSAN_FLAGS="-fsanitize=thread"
 207               SAN_CLIPPY_FLAGS="-fno-sanitize=all"
 208               AC_SUBST([TSAN_FLAGS])
 209               AC_SUBST([SAN_CLIPPY_FLAGS])
 210               LIBS="-ldl $LIBS"
 211               AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Thread Sanitizer Enabled])],
 212                                                  [AC_MSG_ERROR([Thread Sanitizer not available])])
 213               ])
 214
 215 dnl MemorySanitizer support
 216 AC_ARG_ENABLE([memory-sanitizer], AS_HELP_STRING([--enable-memory-sanitizer], \
 217               [enabled MemorySanitizer support for detecting uninitialized memory reads]), \
 218               [AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable MemorySanitizer])
 219               MSAN_FLAGS="-fsanitize=memory -fPIE -pie"
 220               SAN_CLIPPY_FLAGS="-fno-sanitize=all"
 221               AC_SUBST([MSAN_FLAGS])
 222               AC_SUBST([SAN_CLIPPY_FLAGS])
 223               LIBS="-ldl $LIBS"
 224               AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Memory Sanitizer Enabled])],
 225                                                  [AC_MSG_ERROR([Memory Sanitizer not available])])
 226               ])
 227
 228 dnl if the user has specified any CFLAGS, override our settings
 229 if test "x${enable_gcov}" = "xyes"; then
 230    if test "z$orig_cflags" = "z"; then
 231       AC_C_FLAG([-coverage])
 232       AC_C_FLAG([-O0])
 233    fi
 234
 235    LDFLAGS="${LDFLAGS} -lgcov"
 236 elif test "x${enable_dev_build}" = "xyes"; then
 237    AC_DEFINE(DEV_BUILD,,Build for development)
 238    if test "z$orig_cflags" = "z"; then
 239       AC_C_FLAG([-g3])
 240       AC_C_FLAG([-O0])
 241    fi
 242 else
 243    if test "z$orig_cflags" = "z"; then
 244       AC_C_FLAG([-g])
 245       AC_C_FLAG([-Os], [
 246         AC_C_FLAG([-O2])
 247       ])
 248    fi
 249 fi
 250 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
 251
 252 dnl always want these CFLAGS
 253 AC_C_FLAG([-fno-omit-frame-pointer])
 254 AC_C_FLAG([-funwind-tables])
 255 AC_C_FLAG([-Wall])
 256 AC_C_FLAG([-Wextra])
 257 AC_C_FLAG([-Wmissing-prototypes])
 258 AC_C_FLAG([-Wmissing-declarations])
 259 AC_C_FLAG([-Wpointer-arith])
 260 AC_C_FLAG([-Wbad-function-cast])
 261 AC_C_FLAG([-Wwrite-strings])
 262 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
 263   AC_C_FLAG([-Wcast-qual])
 264   AC_C_FLAG([-Wstrict-prototypes])
 265   AC_C_FLAG([-Wmissing-noreturn])
 266   AC_C_FLAG([-Wmissing-format-attribute])
 267   AC_C_FLAG([-Wunreachable-code])
 268   AC_C_FLAG([-Wpacked])
 269   AC_C_FLAG([-Wpadded])
 270 else
 271   AC_C_FLAG([-Wno-unused-result])
 272 fi
 273 AC_C_FLAG([-Wno-unused-parameter])
 274 AC_C_FLAG([-Wno-missing-field-initializers])
 275
 276 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
 277 dnl for some reason the string consts get 'promoted' to char *,
 278 dnl triggering a const to non-const conversion warning.
 279 AC_C_FLAG([-diag-disable 3179])
 280
 281 if test x"${enable_werror}" = x"yes" ; then
 282   WERROR="-Werror"
 283 fi
 284 AC_SUBST(WERROR)
 285
 286 dnl need link on this one, not compile
 287 AC_LANG_PUSH(C)
 288 ac_ld_flag_save="$LDFLAGS"
 289 LDFLAGS="$LDFLAGS -rdynamic"
 290 AC_MSG_CHECKING([[whether linker supports -rdynamic]])
 291 AC_LINK_IFELSE(
 292         [AC_LANG_PROGRAM([[]])],
 293         [AC_MSG_RESULT([yes])],
 294         [
 295                 LDFLAGS="$ac_ld_flag_save"
 296                 AC_MSG_RESULT([no])
 297         ])
 298 AC_LANG_POP(C)
 299
 300 dnl ----------
 301 dnl Essentials
 302 dnl ----------
 303
 304 AX_PTHREAD([
 305   CC="$PTHREAD_CC"
 306   CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 307   LIBS="$PTHREAD_LIBS $LIBS"
 308 ], [
 309   AC_MSG_FAILURE([This FRR version needs pthreads])
 310 ])
 311
 312 dnl --------------
 313 dnl Check programs
 314 dnl --------------
 315 AC_PROG_INSTALL
 316 AC_PROG_LN_S
 317 AC_PROG_MAKE_SET
 318 AC_CHECK_TOOL(AR, ar)
 319
 320 dnl -----------------
 321 dnl System extensions
 322 dnl -----------------
 323 AC_GNU_SOURCE
 324
 325 dnl -------
 326 dnl libtool
 327 dnl -------
 328 LT_INIT
 329
 330 dnl ----------------------
 331 dnl Packages configuration
 332 dnl ----------------------
 333 AC_ARG_WITH(pkg-extra-version,
 334         AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
 335         [EXTRAVERSION=$withval],)
 336 AC_ARG_WITH(pkg-git-version,
 337         AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
 338         [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
 339 AC_ARG_WITH(vtysh_pager,
 340         AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
 341         VTYSH_PAGER=$withval, VTYSH_PAGER="more")
 342 AC_ARG_ENABLE(vtysh,
 343   AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
 344 AC_ARG_ENABLE(doc,
 345   AS_HELP_STRING([--disable-doc], [do not build docs]))
 346 AC_ARG_ENABLE(zebra,
 347   AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
 348 AC_ARG_ENABLE(bgpd,
 349   AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
 350 AC_ARG_ENABLE(ripd,
 351   AS_HELP_STRING([--disable-ripd], [do not build ripd]))
 352 AC_ARG_ENABLE(ripngd,
 353   AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
 354 AC_ARG_ENABLE(ospfd,
 355   AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
 356 AC_ARG_ENABLE(ospf6d,
 357   AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
 358 AC_ARG_ENABLE(ldpd,
 359   AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
 360 AC_ARG_ENABLE(nhrpd,
 361   AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
 362 AC_ARG_ENABLE(eigrpd,
 363   AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
 364 AC_ARG_ENABLE(babeld,
 365   AS_HELP_STRING([--disable-babeld], [do not build babeld]))
 366 AC_ARG_ENABLE(watchfrr,
 367   AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
 368 AC_ARG_ENABLE(isisd,
 369   AS_HELP_STRING([--disable-isisd], [do not build isisd]))
 370 AC_ARG_ENABLE(pimd,
 371   AS_HELP_STRING([--disable-pimd], [do not build pimd]))
 372 AC_ARG_ENABLE(pbrd,
 373   AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
 374 AC_ARG_ENABLE(sharpd,
 375   AS_HELP_STRING([--enable-sharpd], [build sharpd]))
 376 AC_ARG_ENABLE(staticd,
 377   AS_HELP_STRING([--disable-staticd], [do not build staticd]))
 378 AC_ARG_ENABLE(bgp-announce,
 379   AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
 380 AC_ARG_ENABLE(bgp-vnc,
 381   AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
 382 AC_ARG_WITH(rfp-path,
 383   AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
 384 AC_ARG_ENABLE(snmp,
 385   AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
 386 AC_ARG_ENABLE(zeromq,
 387   AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
 388 AC_ARG_WITH(libpam,
 389   AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
 390 AC_ARG_ENABLE(ospfapi,
 391   AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
 392 AC_ARG_ENABLE(ospfclient,
 393   AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
 394                           (this is the default if --disable-ospfapi is set)]))
 395 AC_ARG_ENABLE(multipath,
 396   AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
 397 AC_ARG_ENABLE(user,
 398   AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
 399 AC_ARG_ENABLE(group,
 400   AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
 401 AC_ARG_ENABLE(vty_group,
 402   AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
 403 AC_ARG_ENABLE(configfile_mask,
 404   AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
 405 AC_ARG_ENABLE(logfile_mask,
 406   AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
 407 AC_ARG_ENABLE(shell_access,
 408   AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
 409 AC_ARG_ENABLE(realms,
 410   AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
 411 AC_ARG_ENABLE(rtadv,
 412   AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
 413 AC_ARG_ENABLE(irdp,
 414   AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
 415 AC_ARG_ENABLE(capabilities,
 416   AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
 417 AC_ARG_ENABLE(rusage,
 418   AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
 419 AC_ARG_ENABLE(gcc_ultra_verbose,
 420   AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
 421 AC_ARG_ENABLE(linux24_tcp_md5,
 422   AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
 423 AC_ARG_ENABLE(backtrace,
 424   AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
 425 AC_ARG_ENABLE(time-check,
 426   AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
 427 AC_ARG_ENABLE(pcreposix,
 428   AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
 429 AC_ARG_ENABLE(fpm,
 430   AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
 431 AC_ARG_ENABLE(systemd,
 432   AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
 433 AC_ARG_ENABLE(werror,
 434   AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
 435 AC_ARG_ENABLE(cumulus,
 436   AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
 437 AC_ARG_ENABLE(datacenter,
 438   AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
 439 AC_ARG_ENABLE(fuzzing,
 440   AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
 441 AC_ARG_ENABLE(netlink_fuzzing,
 442   AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
 443 AC_ARG_ENABLE(rr-semantics,
 444   AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
 445 AC_ARG_ENABLE([protobuf],
 446   AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
 447 AC_ARG_ENABLE([oldvpn_commands],
 448   AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
 449 AC_ARG_ENABLE(rpki,
 450   AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
 451 AC_ARG_ENABLE([clippy-only],
 452   AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
 453 AC_ARG_ENABLE([numeric_version],
 454   AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
 455 AC_ARG_ENABLE([gcov],
 456   AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
 457 AC_ARG_ENABLE(bfdd,
 458   AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
 459
 460 AS_IF([test "${enable_clippy_only}" != "yes"], [
 461 AC_CHECK_HEADERS(json-c/json.h)
 462 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c", [], [-lm])
 463 if test $ac_cv_lib_json_c_json_object_get = no; then
 464   AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
 465   if test $ac_cv_lib_json_json_object_get = no; then
 466       AC_MSG_ERROR([lib json is needed to compile])
 467   fi
 468 fi
 469 ])
 470
 471 AC_ARG_ENABLE([dev_build],
 472     AS_HELP_STRING([--enable-dev-build], [build for development]))
 473
 474 if test x"${enable_time_check}" != x"no" ; then
 475   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
 476     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
 477   else
 478     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
 479   fi
 480 fi
 481
 482 case "${enable_systemd}" in
 483   "no") ;;
 484   "yes")
 485   AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
 486   if test $ac_cv_lib_systemd_sd_notify = no; then
 487     AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
 488   else
 489     AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
 490   fi
 491   ;;
 492   "*") ;;
 493 esac
 494
 495 if test "${enable_rr_semantics}" != "no" ; then
 496   AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
 497 fi
 498
 499 if test "${enable_datacenter}" = "yes" ; then
 500   AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
 501   DFLT_NAME="datacenter"
 502 else
 503   DFLT_NAME="traditional"
 504 fi
 505
 506 if test "${enable_fuzzing}" = "yes" ; then
 507   AC_DEFINE(HANDLE_ZAPI_FUZZING,,Compile extensions to use with a fuzzer)
 508 fi
 509
 510 if test "${enable_netlink_fuzzing}" = "yes" ; then
 511   AC_DEFINE(HANDLE_NETLINK_FUZZING,,Compile extensions to use with a fuzzer for netlink)
 512 fi
 513
 514 if test "${enable_cumulus}" = "yes" ; then
 515   AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
 516 fi
 517
 518 AC_SUBST(DFLT_NAME)
 519 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
 520
 521 if test "${enable_shell_access}" = "yes"; then
 522    AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
 523 fi
 524
 525 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
 526
 527 #
 528 # Python for clippy
 529 #
 530 AS_IF([test "$host" = "$build"], [
 531   PYTHONCONFIG=""
 532
 533   # ordering:
 534   # 1.  try python3, but respect the user's preference on which minor ver
 535   # 2.  try python, which might be py3 or py2 again on the user's preference
 536   # 3.  try python2 (can really only be 2.7 but eh)
 537   # 4.  try 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
 538   #
 539   # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
 540   # (AX_PYTHON does not do what we need)
 541
 542   AC_CHECK_TOOLS([PYTHONCONFIG], [python3-config python-config python2-config])
 543   if test -n "$PYTHONCONFIG"; then
 544     PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
 545     PYTHON_LIBS="`\"${PYTHONCONFIG}\" --libs`"
 546
 547     AC_MSG_CHECKING([whether we found a working Python version])
 548     AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
 549 #include <Python.h>
 550 #if PY_VERSION_HEX < 0x02070000
 551 #error python too old
 552 #endif
 553 int main(void);
 554 ],
 555 [
 556 {
 557   Py_Initialize();
 558   return 0;
 559 }
 560 ])], [
 561       PYTHONCONFIG=""
 562       unset PYTHON_LIBS
 563       unset PYTHON_CFLAGS
 564     ])
 565   fi
 566
 567   if test -z "$PYTHONCONFIG"; then
 568     PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
 569       PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
 570         PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
 571           PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
 572             PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
 573               AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
 574               ])])])])])
 575
 576
 577     AC_MSG_CHECKING([whether we found a working Python version])
 578     AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
 579 #include <Python.h>
 580 #if PY_VERSION_HEX < 0x02070000
 581 #error python too old
 582 #endif
 583 int main(void);
 584 ],
 585 [
 586 {
 587   Py_Initialize();
 588   return 0;
 589 }
 590 ])], [
 591       AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
 592     ])
 593   fi
 594 ])
 595 AC_SUBST(PYTHON_CFLAGS)
 596 AC_SUBST(PYTHON_LIBS)
 597
 598 #
 599 # Logic for protobuf support.
 600 #
 601 if test "$enable_protobuf" = "yes"; then
 602    have_protobuf=yes
 603
 604    # Check for protoc-c
 605    AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
 606    if test "x$PROTOC_C" = "x/bin/false"; then
 607       have_protobuf=no
 608    else
 609       found_protobuf_c=no
 610       PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
 611                      [found_protobuf_c=yes],
 612                      [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
 613
 614       if test "x$found_protobuf_c" = "xyes"; then
 615          LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
 616          CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
 617       else
 618         AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
 619                         [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
 620       fi
 621    fi
 622 fi
 623
 624 #
 625 # Logic for old vpn commans support.
 626 #
 627 if test "$enable_oldvpn_commands" = "yes"; then
 628    AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
 629 fi
 630
 631 # Fail if the user explicity enabled protobuf support and we couldn't
 632 # find the compiler or libraries.
 633 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
 634    AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
 635 fi
 636
 637 if test "x$have_protobuf" = "xyes"; then
 638    AC_DEFINE(HAVE_PROTOBUF,, protobuf)
 639 fi
 640
 641 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
 642
 643 #
 644 # End of logic for protobuf support.
 645 #
 646
 647 if test "${enable_linux24_tcp_md5}" = "yes"; then
 648   AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
 649 fi
 650
 651 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
 652 if test "${enable_rtadv}" != "no"; then
 653   AC_MSG_RESULT(yes)
 654   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
 655 else
 656   AC_MSG_RESULT(no)
 657 fi
 658
 659 if test x"${enable_user}" = x"no"; then
 660   enable_user=""
 661 else
 662   if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
 663     enable_user="frr"
 664   fi
 665   AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
 666 fi
 667
 668 if test x"${enable_group}" = x"no"; then
 669   enable_group=""
 670 else
 671   if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
 672     enable_group="frr"
 673   fi
 674   AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
 675 fi
 676
 677 if test x"${enable_vty_group}" = x"yes" ; then
 678   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 679 elif test x"${enable_vty_group}" != x""; then
 680   if test x"${enable_vty_group}" != x"no"; then
 681     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 682   fi
 683 fi
 684 AC_SUBST([enable_user])
 685 AC_SUBST([enable_group])
 686 AC_SUBST([enable_vty_group])
 687
 688 enable_configfile_mask=${enable_configfile_mask:-0600}
 689 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
 690
 691 enable_logfile_mask=${enable_logfile_mask:-0600}
 692 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
 693
 694 MPATH_NUM=1
 695
 696 case "${enable_multipath}" in
 697   0)
 698     MPATH_NUM=64
 699     ;;
 700   [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
 701     MPATH_NUM="${enable_multipath}"
 702     ;;
 703   "")
 704     ;;
 705   *)
 706     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
 707     ;;
 708 esac
 709
 710 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
 711
 712 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
 713
 714 dnl --------------------
 715 dnl Enable code coverage
 716 dnl --------------------
 717 AM_CONDITIONAL([HAVE_GCOV],[test '!' "$enable_gcov" = no])
 718
 719 dnl ------------------------------------
 720 dnl Alpine only accepts numeric versions
 721 dnl ------------------------------------
 722 if test "x${enable_numeric_version}" != "x" ; then
 723   VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
 724   PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
 725 fi
 726
 727 dnl -----------------------------------
 728 dnl Add extra version string to package
 729 dnl name, string and version fields.
 730 dnl -----------------------------------
 731 if test "x${EXTRAVERSION}" != "x" ; then
 732   VERSION="${VERSION}${EXTRAVERSION}"
 733   PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
 734   AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
 735   PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
 736 fi
 737
 738 if test "x$with_pkg_git_version" = "xyes"; then
 739         if test -d "${srcdir}/.git"; then
 740                 AC_DEFINE(GIT_VERSION, [1], [include git version info])
 741         else    with_pkg_git_version="no"
 742                 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
 743         fi
 744 fi
 745 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
 746
 747 dnl ------------------------------------
 748 dnl Check C keywords and standard  types
 749 dnl ------------------------------------
 750 AC_C_CONST
 751 AC_C_INLINE
 752 AC_C_VOLATILE
 753 AC_HEADER_STDC
 754 dnl AC_TYPE_PID_T
 755 AC_TYPE_UID_T
 756 AC_TYPE_MODE_T
 757 AC_TYPE_SIZE_T
 758 AC_STRUCT_TM
 759
 760 dnl -------------------------
 761 dnl Check other header files.
 762 dnl -------------------------
 763 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
 764         linux/version.h asm/types.h \
 765         sys/cdefs.h])
 766
 767 ac_stdatomic_ok=false
 768 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
 769 AC_CHECK_HEADER([stdatomic.h],[
 770
 771   AC_MSG_CHECKING([whether _Atomic qualifier works])
 772   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 773 #include <stdatomic.h>
 774 int main(int argc, char **argv) {
 775   _Atomic int i = 0;
 776   return i;
 777 }
 778 ]])], [
 779     AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
 780     AC_MSG_RESULT([yes])
 781     ac_stdatomic_ok=true
 782   ], [
 783     AC_MSG_RESULT([no])
 784   ])
 785 ])
 786
 787 AS_IF([$ac_stdatomic_ok], [true], [
 788   AC_MSG_CHECKING([for __atomic_* builtins])
 789   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 790 int main(int argc, char **argv) {
 791   volatile int i = 1;
 792   __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
 793   return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
 794 }
 795 ]])], [
 796     AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
 797     AC_MSG_RESULT([yes])
 798   ], [
 799     AC_MSG_RESULT([no])
 800
 801     dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
 802     AC_MSG_CHECKING([for __sync_* builtins])
 803     AC_LINK_IFELSE([AC_LANG_SOURCE([[
 804 int main(int argc, char **argv) {
 805   volatile int i = 1;
 806   __sync_fetch_and_sub (&i, 1);
 807   return __sync_val_compare_and_swap (&i, 0, 1);
 808 }
 809 ]])], [
 810       AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
 811       AC_MSG_RESULT([yes])
 812
 813       AC_MSG_CHECKING([for __sync_swap builtin])
 814       AC_LINK_IFELSE([AC_LANG_SOURCE([[
 815 int main(int argc, char **argv) {
 816   volatile int i = 1;
 817   return __sync_swap (&i, 2);
 818 }
 819 ]])], [
 820         AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
 821         AC_MSG_RESULT([yes])
 822       ], [
 823         AC_MSG_RESULT([no])
 824       ])
 825
 826     ], [
 827       AC_MSG_RESULT([no])
 828       AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
 829     ])
 830   ])
 831 ])
 832
 833 dnl Utility macro to avoid retyping includes all the time
 834 m4_define([FRR_INCLUDES],
 835 [#ifdef SUNOS_5
 836 #define _XPG4_2
 837 #define __EXTENSIONS__
 838 #endif
 839 #include <stdio.h>
 840 #include <stdlib.h>
 841 #include <stddef.h>
 842 #include <sys/types.h>
 843 /* sys/conf.h depends on param.h on FBSD at least */
 844 #include <sys/param.h>
 845 /* Required for MAXSIG */
 846 #include <signal.h>
 847 #include <sys/socket.h>
 848 #ifdef __APPLE__
 849 # define __APPLE_USE_RFC_3542
 850 #endif
 851 #include <netinet/in.h>
 852 #include <sys/time.h>
 853 #include <time.h>
 854 #include <net/if.h>
 855 ])dnl
 856
 857 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
 858 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
 859 dnl an additional round for it.
 860
 861 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
 862
 863 m4_define([FRR_INCLUDES],
 864 FRR_INCLUDES
 865 [#if HAVE_NET_IF_VAR_H
 866 # include <net/if_var.h>
 867 #endif
 868 ])dnl
 869
 870 AC_CHECK_HEADERS([netinet/in_var.h \
 871         net/if_dl.h net/netopt.h \
 872         inet/nd.h netinet/ip_icmp.h \
 873         sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
 874         [], [], FRR_INCLUDES)
 875
 876 AC_CHECK_HEADERS([ucontext.h], [], [],
 877 [#ifndef __USE_GNU
 878 #define __USE_GNU
 879 #endif /* __USE_GNU */
 880 FRR_INCLUDES
 881 ])
 882
 883 m4_define([UCONTEXT_INCLUDES],
 884 [#include <ucontext.h>])dnl
 885
 886 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
 887   [], [], [UCONTEXT_INCLUDES])
 888 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
 889   [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
 890    [], [], [UCONTEXT_INCLUDES])],
 891   [], [UCONTEXT_INCLUDES])
 892 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
 893   [], [], [UCONTEXT_INCLUDES])
 894
 895 m4_define([FRR_INCLUDES],
 896 FRR_INCLUDES
 897 [
 898 #include <sys/un.h>
 899 #include <netinet/in_systm.h>
 900 #if HAVE_NETINET_IN_VAR_H
 901 # include <netinet/in_var.h>
 902 #endif
 903 #if HAVE_NET_IF_DL_H
 904 # include <net/if_dl.h>
 905 #endif
 906 #if HAVE_NET_NETOPT_H
 907 # include <net/netopt.h>
 908 #endif
 909 #include <net/route.h>
 910 #if HAVE_INET_ND_H
 911 # include <inet/nd.h>
 912 #endif
 913 #include <arpa/inet.h>
 914 /* Required for IDRP */
 915 #if HAVE_NETINET_IP_ICMP_H
 916 # include <netinet/ip_icmp.h>
 917 #endif
 918 ])dnl
 919
 920 dnl V6 headers are checked below, after we check for v6
 921
 922 AC_MSG_CHECKING([which operating system interface to use])
 923 case "$host_os" in
 924   sunos* | solaris2*)
 925     AC_MSG_RESULT([Solaris])
 926
 927     AC_DEFINE(SUNOS_5, 1, [SunOS 5])
 928     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
 929
 930     AC_CHECK_LIB(socket, main)
 931     AC_CHECK_LIB(nsl, main)
 932     AC_CHECK_LIB(umem, main)
 933     AC_CHECK_FUNCS([printstack], [
 934       AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
 935       AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
 936     ])
 937     CURSES=-lcurses
 938     SOLARIS="solaris"
 939     ;;
 940   linux*)
 941     AC_MSG_RESULT([Linux])
 942
 943     AC_DEFINE(GNU_LINUX,,GNU Linux)
 944     AC_DEFINE(HAVE_NETLINK,,netlink)
 945     AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
 946
 947     dnl Linux has a compilation problem with mixing
 948     dnl netinet/in.h and linux/in6.h they are not
 949     dnl compatible.  There has been discussion on
 950     dnl how to fix it but no real progress on implementation
 951     dnl when they fix it, remove this
 952     AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
 953     ;;
 954   openbsd*)
 955     AC_MSG_RESULT([OpenBSD])
 956
 957     AC_DEFINE(OPEN_BSD,,OpenBSD)
 958     AC_DEFINE(KAME,1,KAME IPv6)
 959     AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
 960
 961     if test "x${enable_pimd}" != "xno"; then
 962       case "$host_os" in
 963       openbsd6.0)
 964         ;;
 965       openbsd[6-9]*)
 966         AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
 967         ;;
 968       esac
 969     fi
 970     ;;
 971   *)
 972     AC_MSG_RESULT([BSD])
 973
 974     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
 975     AC_DEFINE(KAME,1,KAME IPv6)
 976     AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
 977     ;;
 978 esac
 979 AM_CONDITIONAL(SOLARIS, test "${SOLARIS}" = "solaris")
 980
 981 AC_SYS_LARGEFILE
 982
 983 dnl ------------------------
 984 dnl Integrated REALMS option
 985 dnl ------------------------
 986 if test "${enable_realms}" = "yes"; then
 987     case "$host_os" in
 988       linux*)
 989        AC_DEFINE(SUPPORT_REALMS,, Realms support)
 990        ;;
 991       *)
 992        echo "Sorry, only Linux has REALMS support"
 993        exit 1
 994        ;;
 995     esac
 996 fi
 997 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
 998
 999 dnl ---------------------
1000 dnl Integrated VTY option
1001 dnl ---------------------
1002 case "${enable_vtysh}" in
1003   "no") VTYSH="";;
1004   *)    VTYSH="vtysh";
1005          AC_DEFINE(VTYSH,,VTY shell)
1006 dnl      Vtysh uses libreadline, which looks for termcap functions at
1007 dnl      configure time.  We follow readlines search order.
1008 dnl      The required procedures are in libtermcap on NetBSD, in
1009 dnl      [TODO] on Linux, and in [TODO] on Solaris.
1010          AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
1011            [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
1012              [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
1013                [AC_CHECK_LIB(ncurses, tputs,
1014                              LIBREADLINE="$LIBREADLINE -lncurses")]
1015               )]
1016             )]
1017           )
1018          AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
1019                       "$LIBREADLINE")
1020          if test $ac_cv_lib_readline_main = no; then
1021            AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
1022          fi
1023          AC_CHECK_HEADER(readline/history.h)
1024          if test $ac_cv_header_readline_history_h = no;then
1025            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1026          fi
1027          AC_CHECK_LIB(readline, rl_completion_matches,
1028                       LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
1029          if test $ac_cv_lib_readline_rl_completion_matches = no; then
1030            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
1031          fi
1032          ;;
1033 esac
1034 AC_SUBST(LIBREADLINE)
1035 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
1036
1037 dnl ----------
1038 dnl PAM module
1039 dnl
1040 dnl FRR detects the PAM library it is built against by checking for a
1041 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1042 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1043 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1044 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1045 dnl of OpenPAM.
1046 dnl ----------
1047 if test "$with_libpam" = "yes"; then
1048   AC_CHECK_HEADER([security/pam_misc.h],
1049     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
1050      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
1051      pam_conv_func="misc_conv"
1052     ],
1053     [], FRR_INCLUDES)
1054   AC_CHECK_HEADER([security/openpam.h],
1055     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
1056      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
1057      pam_conv_func="openpam_ttyconv"
1058     ],
1059     [], FRR_INCLUDES[#include <security/pam_appl.h>])
1060   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1061     AC_MSG_WARN([*** pam support will not be built ***])
1062     with_libpam="no"
1063   fi
1064 fi
1065
1066 if test "$with_libpam" = "yes"; then
1067 dnl took this test from proftpds configure.in and suited to our needs
1068 dnl -------------------------------------------------------------------------
1069 dnl
1070 dnl This next check looks funky due to a linker problem with some versions
1071 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
1072 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1073 dnl with RedHat 6.2 and Debian 2.2 or better.
1074 AC_CHECK_LIB(pam, pam_start,
1075   [AC_CHECK_LIB(pam, $pam_conv_func,
1076     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1077      LIBPAM="-lpam"],
1078     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1079      LIBPAM="-lpam -lpam_misc"]
1080     )
1081   ],
1082
1083   [AC_CHECK_LIB(pam, pam_end,
1084     [AC_CHECK_LIB(pam, $pam_conv_func,
1085       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1086        LIBPAM="-lpam -ldl"],
1087       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1088        LIBPAM="-lpam -ldl -lpam_misc"]
1089      )
1090   ],AC_MSG_WARN([*** pam support will not be built ***]),
1091   [-ldl])
1092   ]
1093 )
1094 fi
1095 AC_SUBST(LIBPAM)
1096
1097 dnl -------------------------------
1098 dnl Endian-ness check
1099 dnl -------------------------------
1100 AC_WORDS_BIGENDIAN
1101
1102 dnl -------------------------------
1103 dnl check the size in byte of the C
1104 dnl -------------------------------
1105 dnl AC_CHECK_SIZEOF(char)
1106 dnl AC_CHECK_SIZEOF(int)
1107 dnl AC_CHECK_SIZEOF(short)
1108 dnl AC_CHECK_SIZEOF(long)
1109
1110 dnl ----------------------------
1111 dnl check existance of functions
1112 dnl ----------------------------
1113 AC_FUNC_FNMATCH
1114 AC_FUNC_FORK
1115 AC_FUNC_MKTIME
1116 AC_FUNC_STAT
1117
1118 dnl -------------------------------
1119 dnl bgpd needs pow() and hence libm
1120 dnl -------------------------------
1121 TMPLIBS="$LIBS"
1122 AC_CHECK_HEADER([math.h],
1123   [AC_CHECK_LIB([m], [pow],
1124     [LIBM="-lm"
1125      LIBS="$LIBS $LIBM"
1126      AC_CHECK_FUNCS(pow,[],[LIBM=""])
1127     ])
1128 ])
1129 if test x"$LIBM" = x ; then
1130   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1131 fi
1132 LIBS="$TMPLIBS"
1133 AC_SUBST(LIBM)
1134
1135 AC_CHECK_FUNCS([ppoll], [
1136   AC_DEFINE([HAVE_PPOLL], 1, [have Linux/BSD ppoll()])
1137 ])
1138 AC_CHECK_FUNCS([pollts], [
1139   AC_DEFINE([HAVE_POLLTS], 1, [have NetBSD pollts()])
1140 ])
1141
1142 dnl ---------------
1143 dnl other functions
1144 dnl ---------------
1145 AC_CHECK_FUNCS([ \
1146         strlcat strlcpy \
1147         getgrouplist])
1148
1149 AC_CHECK_HEADER([asm-generic/unistd.h],
1150                 [AC_CHECK_DECL(__NR_setns,
1151                                AC_DEFINE(HAVE_NETNS,, Have netns),,
1152                                FRR_INCLUDES [#include <asm-generic/unistd.h>
1153                                ])
1154                  AC_CHECK_FUNCS(setns)]
1155                )
1156
1157 dnl --------------------------
1158 dnl Determine IS-IS I/O method
1159 dnl --------------------------
1160 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
1161 AC_DEFINE(ISIS_METHOD_DLPI,     2, [ constant value for isis method dlpi ])
1162 AC_DEFINE(ISIS_METHOD_BPF,      3, [ constant value for isis method bpf ])
1163 AC_CHECK_HEADER(net/bpf.h)
1164 AC_CHECK_HEADER(sys/dlpi.h)
1165 AC_MSG_CHECKING(zebra IS-IS I/O method)
1166
1167 case "$host_os" in
1168   linux*)
1169     AC_MSG_RESULT(pfpacket)
1170     ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1171     ;;
1172   solaris* | sunos*)
1173     AC_MSG_RESULT(DLPI)
1174     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1175     ;;
1176   *)
1177     if test $ac_cv_header_net_bpf_h = no; then
1178       if test $ac_cv_header_sys_dlpi_h = no; then
1179         AC_MSG_RESULT(none)
1180         if test "${enable_isisd}" = yes; then
1181           AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1182         fi
1183         AC_MSG_WARN([*** IS-IS support will not be built ***])
1184         enable_isisd="no"
1185       else
1186         AC_MSG_RESULT(DLPI)
1187       fi
1188       ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1189     else
1190       AC_MSG_RESULT(BPF)
1191       ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1192     fi
1193     ;;
1194 esac
1195 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
1196
1197 dnl ---------------------------------------------------------------
1198 dnl figure out how to specify an interface in multicast sockets API
1199 dnl ---------------------------------------------------------------
1200 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1201
1202 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1203         #include <sys/socket.h>
1204         #include <netinet/in.h>
1205         #define _LINUX_IN_H             /* For Linux <= 2.6.25 */
1206         #include <linux/types.h>
1207 ])
1208
1209 m4_define([FRR_INCLUDES],
1210 FRR_INCLUDES
1211 [#if HAVE_LINUX_MROUTE_H
1212 # include <linux/mroute.h>
1213 #endif
1214 ])dnl
1215
1216 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1217         #include <sys/socket.h>
1218         #include <sys/types.h>
1219         #include <netinet/in.h>
1220         #include <net/route.h>
1221 ])
1222
1223 m4_define([FRR_INCLUDES],
1224 FRR_INCLUDES
1225 [#if HAVE_NETINET_IP_MROUTE_H
1226 # include <netinet/ip_mroute.h>
1227 #endif
1228 ])dnl
1229
1230 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1231 AC_TRY_COMPILE([#include <sys/param.h>],
1232 [#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)
1233   return (0);
1234 #else
1235   #error No support for BSD struct ip_mreq hack detected
1236 #endif],[AC_MSG_RESULT(yes)
1237 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1238 AC_MSG_RESULT(no))
1239
1240 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1241 AC_TRY_COMPILE([
1242 #include <sys/types.h>
1243 #include <netinet/in.h>
1244 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1245 ], [AC_MSG_RESULT(yes)
1246 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1247 AC_MSG_RESULT(no))
1248
1249 dnl ---------------------------------------------------------------
1250 dnl figure out how to check link-state
1251 dnl ---------------------------------------------------------------
1252 AC_CHECK_HEADER( [net/if_media.h],
1253   [m4_define([LINK_DETECT_INCLUDES],
1254     FRR_INCLUDES
1255     [#include <net/if_media.h>
1256   ])
1257   AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1258     AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1259     [], LINK_DETECT_INCLUDES)],
1260   [],
1261   FRR_INCLUDES)
1262
1263 dnl ---------------------------------------------------------------
1264 dnl Additional, newer way to check link-state using ifi_link_state.
1265 dnl Not available in all BSD's when ifmediareq available
1266 dnl ---------------------------------------------------------------
1267 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1268   AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1269   [], FRR_INCLUDES)
1270
1271 dnl ------------------------
1272 dnl TCP_MD5SIG socket option
1273 dnl ------------------------
1274
1275 AC_CHECK_HEADER([netinet/tcp.h],
1276    [m4_define([MD5_INCLUDES],
1277       FRR_INCLUDES
1278       [#include <netinet/tcp.h>
1279     ])
1280     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1281    [],
1282    FRR_INCLUDES)
1283 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1284   AC_CHECK_HEADER([linux/tcp.h],
1285        [m4_define([MD5_INCLUDES],
1286           FRR_INCLUDES
1287           [#include <linux/tcp.h>
1288         ])
1289        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1290 fi
1291
1292 dnl ----------------------------------------------------------------------------
1293 dnl figure out if domainname is available in the utsname struct (GNU extension).
1294 dnl ----------------------------------------------------------------------------
1295 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1296
1297 dnl ------------------
1298 dnl IPv6 header checks
1299 dnl ------------------
1300 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1301         netinet6/in6_var.h netinet6/nd6.h], [], [],
1302         FRR_INCLUDES)
1303
1304 m4_define([FRR_INCLUDES],dnl
1305 FRR_INCLUDES
1306 [#if HAVE_NETINET6_IN6_H
1307 #include <netinet6/in6.h>
1308 #endif
1309 #if HAVE_NETINET_IN6_VAR_H
1310 #include <netinet/in6_var.h>
1311 #endif
1312 #include <netinet/icmp6.h>
1313 #if HAVE_NETINET6_IN6_VAR_H
1314 # include <netinet6/in6_var.h>
1315 #endif
1316 #if HAVE_NETINET6_ND6_H
1317 # include <netinet6/nd6.h>
1318 #endif
1319 ])dnl
1320
1321 dnl disable doc check
1322 if test "${enable_doc}" = "no";then
1323   DOC=""
1324 else
1325   AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [no])
1326   DOC="doc"
1327 fi
1328
1329 dnl --------------------
1330 dnl Daemon disable check
1331 dnl --------------------
1332 AM_CONDITIONAL(ZEBRA, test "${enable_zebra}" != "no")
1333
1334 if test "${enable_bgpd}" = "no";then
1335   BGPD=""
1336 else
1337   BGPD="bgpd"
1338 fi
1339 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1340
1341 AM_CONDITIONAL(RIPD, test "${enable_ripd}" != "no")
1342 AM_CONDITIONAL(OSPFD, test "${enable_ospfd}" != "no")
1343 AM_CONDITIONAL(LDPD, test "${enable_ldpd}" != "no")
1344
1345 AS_IF([test "${enable_ldpd}" != "no"], [
1346   AC_DEFINE(HAVE_LDPD, 1, ldpd)
1347 ])
1348
1349 if test "$enable_bfdd" = "no"; then
1350   AC_DEFINE(HAVE_BFDD, 0, bfdd)
1351   BFDD=""
1352 else
1353   AC_DEFINE(HAVE_BFDD, 1, bfdd)
1354   BFDD="bfdd"
1355
1356   case $host_os in
1357     linux*)
1358       AC_DEFINE(BFD_LINUX, 1, bfdd)
1359       ;;
1360
1361     *)
1362       AC_DEFINE(BFD_BSD, 1, bfdd)
1363       ;;
1364   esac
1365 fi
1366
1367 AM_CONDITIONAL(BFDD, [test "x$BFDD" = "xbfdd"])
1368
1369 if test $ac_cv_lib_json_c_json_object_get = no -a "x$BFDD" = "xbfdd"; then
1370   AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1371 fi
1372
1373 NHRPD=""
1374 case "$host_os" in
1375   linux*)
1376     if test "${enable_nhrpd}" != "no"; then
1377       NHRPD="nhrpd"
1378     fi
1379     ;;
1380   *)
1381     if test "${enable_nhrpd}" = "yes"; then
1382       AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1383     fi
1384     ;;
1385 esac
1386 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1387
1388 AM_CONDITIONAL(EIGRPD, test "${enable_eigrpd}" != "no")
1389
1390 if test "${enable_watchfrr}" = "no";then
1391   WATCHFRR=""
1392 else
1393   WATCHFRR="watchfrr"
1394 fi
1395 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1396
1397 OSPFCLIENT=""
1398 if test "${enable_ospfapi}" != "no";then
1399     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1400
1401   if test "${enable_ospfclient}" != "no";then
1402       OSPFCLIENT="ospfclient"
1403   fi
1404 fi
1405
1406 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1407 AM_CONDITIONAL(RIPNGD, test "${enable_ripngd}" != "no")
1408 AM_CONDITIONAL(BABELD, test "${enable_babeld}" != "no")
1409 AM_CONDITIONAL(OSPF6D, test "${enable_ospf6d}" != "no")
1410 AM_CONDITIONAL(ISISD, test "${enable_isisd}" != "no")
1411 AM_CONDITIONAL(PIMD, test "${enable_pimd}" != "no")
1412 AM_CONDITIONAL(PBRD, test "${enable_pbrd}" != "no")
1413 AM_CONDITIONAL(SHARPD, test "${enable_sharpd}" = "yes")
1414 AM_CONDITIONAL(STATICD, test "${enable_staticd}" != "no")
1415
1416 if test "${enable_bgp_announce}" = "no";then
1417   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1418 else
1419   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1420 fi
1421
1422 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1423   with_rfp_path="bgpd/rfp-example"
1424 fi
1425 if test "${with_rfp_path}" != "no"; then
1426   VNC_RFP_PATH="${with_rfp_path}"
1427   AC_SUBST(VNC_RFP_PATH)
1428 fi
1429
1430 if test "${enable_bgp_vnc}" != "no";then
1431   AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1432   RFPTEST="${with_rfp_path}/rfptest"
1433   LIBRFP="${with_rfp_path}/librfp"
1434   RFPINC="${with_rfp_path}/librfp"
1435 else
1436   RFPTEST=
1437   LIBRFP=
1438   RFPINC="bgpd/rfp-example/librfp"
1439 fi
1440 # set
1441 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1442
1443 AC_SUBST(DOC)
1444 AC_SUBST(RFPTEST)
1445 AC_SUBST(LIBRFP)
1446 AC_SUBST(RFPINC)
1447 AC_SUBST(BGPD)
1448 AC_SUBST(SOLARIS)
1449 AC_SUBST(VTYSH)
1450 AC_SUBST(CURSES)
1451 AC_CHECK_LIB(crypt, crypt, [],
1452                     [AC_CHECK_LIB(crypto, DES_crypt)])
1453 AC_CHECK_LIB(resolv, res_init)
1454
1455 dnl ---------------------------
1456 dnl check system has PCRE regexp
1457 dnl ---------------------------
1458 if test "x$enable_pcreposix" = "xyes"; then
1459   AC_CHECK_LIB(pcreposix, regexec, [], [
1460     AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1461   ])
1462 fi
1463 AC_SUBST(HAVE_LIBPCREPOSIX)
1464
1465 dnl ------------------
1466 dnl check C-Ares library
1467 dnl ------------------
1468 if test "${NHRPD}" != ""; then
1469   PKG_CHECK_MODULES([CARES], [libcares], , [
1470     AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1471   ])
1472 fi
1473
1474
1475 dnl ------------------
1476 dnl check Net-SNMP library
1477 dnl ------------------
1478 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1479    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1480    if test x"$NETSNMP_CONFIG" = x"no"; then
1481       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1482    fi
1483    SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1484    SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1485    AC_MSG_CHECKING([whether we can link to Net-SNMP])
1486    AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1487 int main(void);
1488 ],
1489 [
1490 {
1491   return 0;
1492 }
1493 ])], [
1494      AC_MSG_ERROR([--enable-snmp given but not usable])])
1495    case "${enable_snmp}" in
1496      yes)
1497       SNMP_METHOD=agentx
1498       ;;
1499      agentx)
1500       SNMP_METHOD="${enable_snmp}"
1501       ;;
1502      *)
1503       AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1504       ;;
1505    esac
1506    AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1507    AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1508 fi
1509 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1510 AC_SUBST(SNMP_LIBS)
1511 AC_SUBST(SNMP_CFLAGS)
1512
1513 dnl ---------------
1514 dnl math
1515 dnl ---------------
1516 AC_SEARCH_LIBS([sqrt], [m])
1517
1518 dnl ---------------
1519 dnl dlopen & dlinfo
1520 dnl ---------------
1521 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1522   AC_MSG_ERROR([unable to find the dlopen()])
1523 ])
1524
1525 AC_CHECK_HEADERS([link.h])
1526
1527 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1528 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1529 #include <stdlib.h>
1530 #ifdef HAVE_LINK_H
1531 #include <link.h>
1532 #endif
1533 #include <dlfcn.h>
1534 ]], [[
1535   char origin[1];
1536   dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1537 ]])], [
1538   AC_MSG_RESULT(yes)
1539   AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1540 ], [
1541   AC_MSG_RESULT(no)
1542 ])
1543
1544 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1545 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1546 #include <stdlib.h>
1547 #ifdef HAVE_LINK_H
1548 #include <link.h>
1549 #endif
1550 #include <dlfcn.h>
1551 ]], [[
1552   struct link_map *lm = NULL;
1553   dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1554 ]])], [
1555   AC_MSG_RESULT(yes)
1556   AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1557 ], [
1558   AC_MSG_RESULT(no)
1559 ])
1560
1561
1562 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1563
1564 dnl ---------------------------
1565 dnl sockaddr and netinet checks
1566 dnl ---------------------------
1567 AC_CHECK_TYPES([
1568         struct sockaddr_dl,
1569         struct vifctl, struct mfcctl, struct sioc_sg_req,
1570         vifi_t, struct sioc_vif_req, struct igmpmsg,
1571         struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1572         struct nd_opt_adv_interval, struct rt_addrinfo,
1573         struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1574         [], [], FRR_INCLUDES)
1575
1576 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1577         struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1578         struct sockaddr_dl.sdl_len,
1579         struct if6_aliasreq.ifra_lifetime,
1580         struct nd_opt_adv_interval.nd_opt_ai_type],
1581         [], [], FRR_INCLUDES)
1582
1583 dnl ---------------------------
1584 dnl IRDP/pktinfo/icmphdr checks
1585 dnl ---------------------------
1586
1587 AC_CHECK_TYPES([struct in_pktinfo], [
1588   AC_CHECK_TYPES([struct icmphdr], [
1589     IRDP=true
1590   ], [
1591     IRDP=false
1592   ], [FRR_INCLUDES])
1593 ], [
1594   IRDP=false
1595 ], [FRR_INCLUDES])
1596
1597 case "${enable_irdp}" in
1598 yes)
1599   $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1600   ;;
1601 no)
1602   IRDP=false
1603   ;;
1604 esac
1605
1606 AM_CONDITIONAL(IRDP, $IRDP)
1607
1608 dnl -----------------------
1609 dnl checking for IP_PKTINFO
1610 dnl -----------------------
1611 AC_MSG_CHECKING(for IP_PKTINFO)
1612 AC_TRY_COMPILE([#include <netdb.h>], [
1613   int opt = IP_PKTINFO;
1614 ], [
1615   AC_MSG_RESULT(yes)
1616   AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1617 ], [
1618   AC_MSG_RESULT(no)
1619 ])
1620
1621 dnl ---------------------------
1622 dnl checking for IP_RECVDSTADDR
1623 dnl ---------------------------
1624 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1625 AC_TRY_COMPILE([#include <netinet/in.h>], [
1626   int opt = IP_RECVDSTADDR;
1627 ], [
1628   AC_MSG_RESULT(yes)
1629   AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1630 ], [
1631   AC_MSG_RESULT(no)
1632 ])
1633
1634 dnl ----------------------
1635 dnl checking for IP_RECVIF
1636 dnl ----------------------
1637 AC_MSG_CHECKING(for IP_RECVIF)
1638 AC_TRY_COMPILE([#include <netinet/in.h>], [
1639   int opt = IP_RECVIF;
1640 ], [
1641   AC_MSG_RESULT(yes)
1642   AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1643 ], [
1644   AC_MSG_RESULT(no)
1645 ])
1646
1647 dnl ----------------------
1648 dnl checking for SO_BINDANY
1649 dnl ----------------------
1650 AC_MSG_CHECKING(for SO_BINDANY)
1651 AC_TRY_COMPILE([#include <sys/socket.h>], [
1652   int opt = SO_BINDANY;
1653 ], [
1654   AC_MSG_RESULT(yes)
1655   AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1656 ], [
1657   AC_MSG_RESULT(no)
1658 ])
1659
1660 dnl ----------------------
1661 dnl checking for IP_FREEBIND
1662 dnl ----------------------
1663 AC_MSG_CHECKING(for IP_FREEBIND)
1664 AC_TRY_COMPILE([#include <netinet/in.h>], [
1665   int opt = IP_FREEBIND;
1666 ], [
1667   AC_MSG_RESULT(yes)
1668   AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1669 ], [
1670   AC_MSG_RESULT(no)
1671 ])
1672
1673 dnl --------------------------------------
1674 dnl checking for be32dec existence or not
1675 dnl --------------------------------------
1676 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1677                [#include <sys/endian.h>])
1678
1679 dnl --------------------------------------
1680 dnl checking for clock_time monotonic struct and call
1681 dnl --------------------------------------
1682 AC_CHECK_DECL(CLOCK_MONOTONIC,
1683         [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1684          AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1685 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1686
1687 dnl --------------------------------------
1688 dnl checking for flex and bison
1689 dnl --------------------------------------
1690
1691 AM_PROG_LEX
1692 AC_MSG_CHECKING(version of flex)
1693 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1694 frr_ac_flex_version="${frr_ac_flex_version##* }"
1695 AC_MSG_RESULT([$frr_ac_flex_version])
1696 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1697   LEX="$SHELL $missing_dir/missing flex"
1698   if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1699     AC_MSG_WARN([using pregenerated flex output files])
1700   else
1701     AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1702   fi
1703   AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1704   AC_SUBST([LEXLIB], [''])
1705 ])
1706
1707 AC_PROG_YACC
1708 dnl thanks GNU bison for this b*llshit...
1709 AC_MSG_CHECKING(version of bison)
1710 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1711 frr_ac_bison_version="${frr_ac_bison_version##* }"
1712 frr_ac_bison_missing="false"
1713 case "x${frr_ac_bison_version}" in
1714   x2.7*)
1715     BISON_OPENBRACE='"'
1716     BISON_CLOSEBRACE='"'
1717     BISON_VERBOSE=''
1718     AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1719     ;;
1720   x2.*|x1.*)
1721     AC_MSG_RESULT([$frr_ac_bison_version])
1722     AC_MSG_WARN([installed bison is too old.  Please install GNU bison 2.7.x or newer.])
1723     frr_ac_bison_missing="true"
1724     ;;
1725   x)
1726     AC_MSG_RESULT([none])
1727     AC_MSG_WARN([could not determine bison version.  Please install GNU bison 2.7.x or newer.])
1728     frr_ac_bison_missing="true"
1729     ;;
1730   *)
1731     BISON_OPENBRACE='{'
1732     BISON_CLOSEBRACE='}'
1733     BISON_VERBOSE='-Dparse.error=verbose'
1734     AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1735     ;;
1736 esac
1737 AC_SUBST(BISON_OPENBRACE)
1738 AC_SUBST(BISON_CLOSEBRACE)
1739 AC_SUBST(BISON_VERBOSE)
1740
1741 if $frr_ac_bison_missing; then
1742   YACC="$SHELL $missing_dir/missing bison -y"
1743   if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1744     AC_MSG_WARN([using pregenerated bison output files])
1745   else
1746     AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1747   fi
1748 fi
1749
1750 dnl -------------------
1751 dnl capabilities checks
1752 dnl -------------------
1753 if test "${enable_capabilities}" != "no"; then
1754   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1755   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1756     [AC_MSG_RESULT(yes)
1757      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1758      frr_ac_keepcaps="yes"],
1759      AC_MSG_RESULT(no)
1760   )
1761   if test x"${frr_ac_keepcaps}" = x"yes"; then
1762     AC_CHECK_HEADERS(sys/capability.h)
1763   fi
1764   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1765     AC_CHECK_LIB(cap, cap_init,
1766       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1767        LIBCAP="-lcap"
1768        frr_ac_lcaps="yes"]
1769     )
1770   else
1771     AC_CHECK_HEADERS(priv.h,
1772      [AC_MSG_CHECKING(Solaris style privileges are available)
1773       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1774           [AC_MSG_RESULT(yes)
1775            AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1776            frr_ac_scaps="yes"],
1777            AC_MSG_RESULT(no)
1778       )
1779      ]
1780    )
1781   fi
1782   if test x"${frr_ac_scaps}" = x"yes" \
1783        -o x"${frr_ac_lcaps}" = x"yes"; then
1784     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1785   fi
1786 fi
1787 AC_SUBST(LIBCAP)
1788
1789 dnl ---------------------------
1790 dnl check for glibc 'backtrace'
1791 dnl ---------------------------
1792 if test x"${enable_backtrace}" != x"no" ; then
1793   backtrace_ok=no
1794   AC_CHECK_HEADER([execinfo.h], [
1795     AC_SEARCH_LIBS([backtrace], [execinfo], [
1796       AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1797       AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1798       backtrace_ok=yes
1799     ],, [-lm])
1800   ])
1801
1802   if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1803     dnl user explicitly requested backtrace but we failed to find support
1804     AC_MSG_FAILURE([failed to find backtrace support])
1805   fi
1806 fi
1807
1808 dnl -----------------------------------------
1809 dnl check for malloc mallinfo struct and call
1810 dnl this must try and link using LIBS, in
1811 dnl order to check no alternative allocator
1812 dnl has been specified, which might not provide
1813 dnl mallinfo, e.g. such as Umem on Solaris.
1814 dnl -----------------------------------------
1815 AC_CHECK_HEADERS([malloc.h malloc/malloc.h],,, [FRR_INCLUDES])
1816
1817 AC_MSG_CHECKING(whether mallinfo is available)
1818 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
1819 #ifdef HAVE_MALLOC_H
1820 #include <malloc.h>
1821 #endif
1822 #ifdef HAVE_MALLOC_MALLOC_H
1823 #include <malloc/malloc.h>
1824 #endif
1825 ]], [[
1826 struct mallinfo ac_x; ac_x = mallinfo ();
1827 ]])], [
1828   AC_MSG_RESULT(yes)
1829   AC_DEFINE(HAVE_MALLINFO,,mallinfo)
1830 ], [
1831   AC_MSG_RESULT(no)
1832 ])
1833
1834 AC_MSG_CHECKING(whether malloc_usable_size is available)
1835 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
1836 #ifdef HAVE_MALLOC_H
1837 #include <malloc.h>
1838 #endif
1839 #ifdef HAVE_MALLOC_MALLOC_H
1840 #include <malloc/malloc.h>
1841 #endif
1842 ]], [[
1843 size_t ac_x; ac_x = malloc_usable_size(NULL);
1844 ]])], [
1845   AC_MSG_RESULT(yes)
1846   AC_DEFINE(HAVE_MALLOC_USABLE_SIZE,,malloc_usable_size)
1847 ], [
1848   AC_MSG_RESULT(no)
1849
1850   AC_MSG_CHECKING(whether malloc_size is available)
1851   AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1852 #ifdef HAVE_MALLOC_H
1853 #include <malloc.h>
1854 #endif
1855 #ifdef HAVE_MALLOC_MALLOC_H
1856 #include <malloc/malloc.h>
1857 #endif
1858 ]], [[
1859 size_t ac_x; ac_x = malloc_size(NULL);
1860 ]])], [
1861     AC_MSG_RESULT(yes)
1862     AC_DEFINE(HAVE_MALLOC_SIZE,,malloc_size)
1863   ], [
1864     AC_MSG_RESULT(no)
1865   ])
1866 ])
1867
1868 dnl ------
1869 dnl ZeroMQ
1870 dnl ------
1871 if test "x$enable_zeromq" != "xno"; then
1872   PKG_CHECK_MODULES(ZEROMQ, [libzmq >= 4.0.0], [
1873     AC_DEFINE(HAVE_ZEROMQ, 1, [Enable ZeroMQ support])
1874     ZEROMQ=true
1875   ], [
1876     if test "x$enable_zeromq" = "xyes"; then
1877       AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1878     fi
1879   ])
1880 fi
1881 AM_CONDITIONAL([ZEROMQ], test "x$ZEROMQ" = "xtrue")
1882
1883 dnl ----------
1884 dnl configure date
1885 dnl ----------
1886 dev_version=`echo $VERSION | grep dev`
1887 #don't expire deprecated code in non 'dev' branch
1888 if test "${dev_version}" = ""; then
1889    CONFDATE=0
1890 else
1891    CONFDATE=`date '+%Y%m%d'`
1892 fi
1893 AC_SUBST(CONFDATE)
1894
1895 dnl ------------------------------
1896 dnl set paths for state directory
1897 dnl ------------------------------
1898 AC_MSG_CHECKING(directory to use for state file)
1899 if test "${prefix}" = "NONE"; then
1900   frr_statedir_prefix="";
1901 else
1902   frr_statedir_prefix=${prefix}
1903 fi
1904 if test "${localstatedir}" = '${prefix}/var'; then
1905   for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1906                         ${frr_statedir_prefix}/var/adm dnl
1907                         ${frr_statedir_prefix}/etc dnl
1908                         /var/run        dnl
1909                         /var/adm        dnl
1910                         /etc            dnl
1911                         /dev/null;
1912   do
1913     test -d $FRR_STATE_DIR && break
1914   done
1915   frr_statedir=$FRR_STATE_DIR
1916 else
1917   frr_statedir=${localstatedir}
1918 fi
1919 if test $frr_statedir = "/dev/null"; then
1920     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1921 fi
1922 AC_MSG_RESULT(${frr_statedir})
1923 AC_SUBST(frr_statedir)
1924
1925 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1926 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1927 AC_DEFINE_UNQUOTED(BFDD_CONTROL_SOCKET, "$frr_statedir/bfdd.sock", bfdd control socket)
1928 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1929
1930 dnl autoconf does this, but it does it too late...
1931 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1932 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1933
1934 dnl get the full path, recursing through variables...
1935 vtysh_bin="$bindir/vtysh"
1936 for I in 1 2 3 4 5 6 7 8 9 10; do
1937         eval vtysh_bin="\"$vtysh_bin\""
1938 done
1939 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1940
1941 CFG_SYSCONF="$sysconfdir"
1942 CFG_SBIN="$sbindir"
1943 CFG_STATE="$frr_statedir"
1944 CFG_MODULE="$moduledir"
1945 for I in 1 2 3 4 5 6 7 8 9 10; do
1946         eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1947         eval CFG_SBIN="\"$CFG_SBIN\""
1948         eval CFG_STATE="\"$CFG_STATE\""
1949         eval CFG_MODULE="\"$CFG_MODULE\""
1950 done
1951 AC_SUBST(CFG_SYSCONF)
1952 AC_SUBST(CFG_SBIN)
1953 AC_SUBST(CFG_STATE)
1954 AC_SUBST(CFG_MODULE)
1955 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1956
1957 dnl ------------------------------------
1958 dnl Enable RPKI and add librtr to libs
1959 dnl ------------------------------------
1960 if test "${enable_rpki}" = "yes"; then
1961   PKG_CHECK_MODULES(RTRLIB,[rtrlib >= 0.5.0],
1962       [AC_DEFINE(HAVE_RPKI,1,Enable RPKI prefix validation for BGP)
1963       RPKI=true],
1964       [RPKI=false
1965       AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1966   )
1967 fi
1968 AM_CONDITIONAL([RPKI], test "x$RPKI" = "xtrue")
1969
1970 dnl ------------------------------------------
1971 dnl Check whether rtrlib was build with ssh support
1972 dnl ------------------------------------------
1973 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1974 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1975                         [[struct tr_ssh_config config;]])],
1976         [AC_MSG_RESULT(yes)
1977         AC_DEFINE(FOUND_SSH,,found_ssh)],
1978         AC_MSG_RESULT(no)
1979 )
1980
1981 dnl ---------------------------
1982 dnl Check htonl works correctly
1983 dnl ---------------------------
1984 AC_MSG_CHECKING(for working htonl)
1985 AC_CACHE_VAL(ac_cv_htonl_works,
1986  [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1987                 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1988  ]
1989 )
1990 AC_MSG_RESULT($ac_cv_htonl_works)
1991
1992 AC_CONFIG_FILES([Makefile
1993           bgpd/Makefile
1994           vtysh/Makefile
1995           doc/Makefile
1996           doc/user/Makefile
1997           doc/manpages/Makefile
1998           doc/developer/Makefile
1999           tests/Makefile
2000           bgpd/rfp-example/rfptest/Makefile
2001           bgpd/rfp-example/librfp/Makefile
2002           redhat/frr.spec
2003           debianpkg/Makefile
2004           debianpkg/changelog
2005           alpine/APKBUILD
2006           snapcraft/snapcraft.yaml
2007           lib/version.h
2008           tests/lib/cli/test_cli.refout
2009           pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2010           pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2011           pkgsrc/eigrpd.sh])
2012
2013 if test "${enable_bgp_vnc}" != "no"; then
2014    if test "${with_rfp_path}" != "bgpd/rfp-example" ; then
2015       AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
2016    fi
2017 fi
2018
2019 AC_CONFIG_FILES([solaris/Makefile])
2020
2021 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
2022
2023 AC_CONFIG_COMMANDS([lib/route_types.h], [
2024         dst="${ac_abs_top_builddir}/lib/route_types.h"
2025         ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2026                 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2027                 > "${dst}.tmp"
2028         test -f "${dst}" \
2029                 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2030                 && rm "${dst}.tmp" \
2031                 || mv "${dst}.tmp" "${dst}"
2032 ], [
2033         PERL="$PERL"
2034 ])
2035
2036 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
2037     AC_CONFIG_COMMANDS([lib/gitversion.h], [
2038         dst="${ac_abs_top_builddir}/lib/gitversion.h"
2039         ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2040                 "${ac_abs_top_srcdir}" \
2041                 > "${dst}.tmp"
2042         test -f "${dst}" \
2043                 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2044                 && rm "${dst}.tmp" \
2045                 || mv "${dst}.tmp" "${dst}"
2046     ], [
2047         PERL="$PERL"
2048     ])
2049 ])
2050
2051 ## Hack, but working solution to avoid rebuilding of frr.info.
2052 ## It's already in CVS until texinfo 4.7 is more common.
2053 AC_OUTPUT
2054
2055 echo "
2056 FRRouting configuration
2057 ------------------------------
2058 FRR version             : ${PACKAGE_VERSION}
2059 host operating system   : ${host_os}
2060 source code location    : ${srcdir}
2061 compiler                : ${CC}
2062 compiler flags          : ${CFLAGS}
2063 make                    : ${MAKE-make}
2064 linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2065 state file directory    : ${frr_statedir}
2066 config file directory   : `eval echo \`echo ${sysconfdir}\``
2067 example directory       : `eval echo \`echo ${exampledir}\``
2068 module directory        : ${CFG_MODULE}
2069 user to run as          : ${enable_user}
2070 group to run as         : ${enable_group}
2071 group for vty sockets   : ${enable_vty_group}
2072 config file mask        : ${enable_configfile_mask}
2073 log file mask           : ${enable_logfile_mask}
2074 zebra protobuf enabled  : ${have_protobuf:-no}
2075
2076 The above user and group must have read/write access to the state file
2077 directory and to the config files in the config file directory."
2078
2079 if test "${enable_doc}" != "no";then
2080   AS_IF([test "x$SPHINXBUILD" = xno],
2081      AC_MSG_WARN(sphinx-build is missing but required to build documentation))
2082 fi