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