configure.ac

   1 ##
   2 ## Configure template file for FRRouting.
   3 ## autoconf will generate configure script.
   4 ##
   5 ##  Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
   6 ##  Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st>
   7 ##
   8 AC_PREREQ(2.60)
   9
  10 AC_INIT(frr, 3.1-dev, [https://github.com/frrouting/frr/issues])
  11 PACKAGE_URL="https://frrouting.org/"
  12 PACKAGE_FULLNAME="FRRouting"
  13 AC_SUBST(PACKAGE_FULLNAME)
  14
  15 CONFIG_ARGS="$ac_configure_args"
  16 AC_SUBST(CONFIG_ARGS)
  17
  18 AC_CONFIG_SRCDIR(lib/zebra.h)
  19 AC_CONFIG_MACRO_DIR([m4])
  20
  21 dnl -----------------------------------
  22 dnl Get hostname and other information.
  23 dnl -----------------------------------
  24 AC_CANONICAL_BUILD()
  25 AC_CANONICAL_HOST()
  26 AC_CANONICAL_TARGET()
  27
  28 # Disable portability warnings -- our automake code (in particular
  29 # common.am) uses some constructs specific to gmake.
  30 AM_INIT_AUTOMAKE([1.12 -Wno-portability])
  31 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
  32 AM_SILENT_RULES([yes])
  33 AC_CONFIG_HEADERS(config.h)
  34
  35 AC_PATH_PROG(PERL, perl)
  36 PKG_PROG_PKG_CONFIG
  37
  38 dnl default is to match previous behavior
  39 exampledir=${sysconfdir}
  40 AC_ARG_ENABLE([exampledir],
  41           AS_HELP_STRING([--enable-exampledir],
  42                          [specify alternate directory for examples]),
  43                          exampledir="$enableval",)
  44 dnl XXX add --exampledir to autoconf standard directory list somehow
  45 AC_SUBST(exampledir)
  46
  47 dnl default is to match previous behavior
  48 pkgsrcrcdir=""
  49 pkgsrcdir=""
  50 AC_ARG_ENABLE([pkgsrcrcdir],
  51           AS_HELP_STRING([--enable-pkgsrcrcdir],
  52                          [specify directory for rc.d scripts]),
  53                          pkgsrcrcdir="$enableval"; pkgsrcdir="pkgsrc",)
  54 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
  55 AC_SUBST(pkgsrcdir)
  56 AC_SUBST(pkgsrcrcdir)
  57
  58 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
  59         moduledir="$withval"
  60 ], [
  61         moduledir="\${libdir}/frr/modules"
  62 ])
  63 AC_SUBST([moduledir], [$moduledir])
  64
  65 AC_ARG_ENABLE(tcmalloc,
  66         AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
  67 [case "${enableval}" in
  68   yes) tcmalloc_enabled=true
  69 LIBS="$LIBS -ltcmalloc_minimal"
  70  ;;
  71   no)  tcmalloc_enabled=false ;;
  72   *) AC_MSG_ERROR(bad value ${enableval} for --enable-tcmalloc) ;;
  73 esac],[tcmalloc_enabled=false])
  74
  75
  76 dnl Thanks autoconf, but we don't want a default -g -O2.  We have our own
  77 dnl flag determination logic.
  78 CFLAGS="${CFLAGS:-}"
  79
  80 dnl --------------------
  81 dnl Check CC and friends
  82 dnl --------------------
  83 dnl note orig_cflags is also used further down
  84 orig_cflags="$CFLAGS"
  85 AC_LANG([C])
  86 AC_PROG_CC
  87 AC_PROG_CPP
  88 AM_PROG_CC_C_O
  89 dnl remove autoconf default "-g -O2"
  90 CFLAGS="$orig_cflags"
  91 AC_PROG_CC_C99
  92 dnl NB: see C11 below
  93
  94 AC_PROG_EGREP
  95 PKG_PROG_PKG_CONFIG
  96
  97 dnl autoconf 2.59 appears not to support AC_PROG_SED
  98 dnl AC_PROG_SED
  99 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
 100
 101 dnl try and enable CFLAGS that are useful for Quagga
 102 dnl - specifically, options to control warnings
 103
 104 AC_USE_SYSTEM_EXTENSIONS
 105 AC_DEFUN([AC_C_FLAG], [{
 106         AC_LANG_PUSH(C)
 107         ac_c_flag_save="$CFLAGS"
 108         CFLAGS="$CFLAGS $1"
 109         AC_MSG_CHECKING([[whether $CC supports $1]])
 110         AC_COMPILE_IFELSE(
 111                 [AC_LANG_PROGRAM([[]])],
 112                 [
 113                         AC_MSG_RESULT([yes])
 114                         m4_if([$3], [], [], [
 115                                 CFLAGS="$ac_c_flag_save"
 116                                 $3
 117                         ])
 118                 ], [
 119                         CFLAGS="$ac_c_flag_save"
 120                         AC_MSG_RESULT([no])
 121                         $2
 122                 ])
 123         AC_LANG_POP(C)
 124         }])
 125
 126 dnl ICC won't bail on unknown options without -diag-error 10006
 127 dnl need to do this first so we get useful results for the other options
 128 AC_C_FLAG([-diag-error 10006])
 129
 130 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
 131 ac_cc="$CC"
 132 CC="${CC% -std=gnu99}"
 133 CC="${CC% -std=c99}"
 134
 135 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
 136
 137 dnl if the user specified any CFLAGS, we don't add "-g -Os/-O2" here
 138 if test "z$orig_cflags" = "z"; then
 139   AC_C_FLAG([-g])
 140   AC_C_FLAG([-Os], [
 141     AC_C_FLAG([-O2])
 142   ])
 143 fi
 144
 145 dnl always want these CFLAGS
 146 AC_C_FLAG([-fno-omit-frame-pointer])
 147 AC_C_FLAG([-Wall])
 148 AC_C_FLAG([-Wextra])
 149 AC_C_FLAG([-Wmissing-prototypes])
 150 AC_C_FLAG([-Wmissing-declarations])
 151 AC_C_FLAG([-Wpointer-arith])
 152 AC_C_FLAG([-Wbad-function-cast])
 153 AC_C_FLAG([-Wwrite-strings])
 154 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
 155   AC_C_FLAG([-Wcast-qual])
 156   AC_C_FLAG([-Wstrict-prototypes])
 157   AC_C_FLAG([-Wmissing-noreturn])
 158   AC_C_FLAG([-Wmissing-format-attribute])
 159   AC_C_FLAG([-Wunreachable-code])
 160   AC_C_FLAG([-Wpacked])
 161   AC_C_FLAG([-Wpadded])
 162 else
 163   AC_C_FLAG([-Wno-unused-result])
 164 fi
 165 AC_C_FLAG([-Wno-unused-parameter])
 166 AC_C_FLAG([-Wno-missing-field-initializers])
 167
 168 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
 169 dnl for some reason the string consts get 'promoted' to char *,
 170 dnl triggering a const to non-const conversion warning.
 171 AC_C_FLAG([-diag-disable 3179])
 172
 173 if test x"${enable_werror}" = x"yes" ; then
 174   WERROR="-Werror"
 175 fi
 176 AC_SUBST(WERROR)
 177
 178 dnl need link on this one, not compile
 179 AC_LANG_PUSH(C)
 180 ac_ld_flag_save="$LDFLAGS"
 181 LDFLAGS="$LDFLAGS -rdynamic"
 182 AC_MSG_CHECKING([[whether linker supports -rdynamic]])
 183 AC_LINK_IFELSE(
 184         [AC_LANG_PROGRAM([[]])],
 185         [AC_MSG_RESULT([yes])],
 186         [
 187                 LDFLAGS="$ac_ld_flag_save"
 188                 AC_MSG_RESULT([no])
 189         ])
 190 AC_LANG_POP(C)
 191
 192 dnl ----------
 193 dnl Essentials
 194 dnl ----------
 195
 196 AX_PTHREAD([
 197   CC="$PTHREAD_CC"
 198   CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 199   LIBS="$PTHREAD_LIBS $LIBS"
 200 ], [
 201   AC_MSG_FAILURE([This Quagga version needs pthreads])
 202 ])
 203
 204 dnl --------------
 205 dnl Check programs
 206 dnl --------------
 207 AC_PROG_INSTALL
 208 AC_PROG_LN_S
 209 AC_PROG_MAKE_SET
 210 AC_CHECK_TOOL(AR, ar)
 211
 212 dnl -----------------
 213 dnl System extensions
 214 dnl -----------------
 215 AC_GNU_SOURCE
 216
 217 dnl -------
 218 dnl libtool
 219 dnl -------
 220 LT_INIT
 221
 222 dnl ----------------------
 223 dnl Packages configuration
 224 dnl ----------------------
 225 AC_ARG_WITH(pkg-extra-version,
 226         AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
 227         [EXTRAVERSION=$withval],)
 228 AC_ARG_WITH(pkg-git-version,
 229         AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
 230         [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
 231 AC_ARG_WITH(vtysh_pager,
 232         AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
 233         VTYSH_PAGER=$withval, VTYSH_PAGER="more")
 234 AC_ARG_ENABLE(vtysh,
 235   AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for Quagga]))
 236 AC_ARG_ENABLE(doc,
 237   AS_HELP_STRING([--disable-doc], [do not build docs]))
 238 AC_ARG_ENABLE(zebra,
 239   AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
 240 AC_ARG_ENABLE(bgpd,
 241   AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
 242 AC_ARG_ENABLE(ripd,
 243   AS_HELP_STRING([--disable-ripd], [do not build ripd]))
 244 AC_ARG_ENABLE(ripngd,
 245   AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
 246 AC_ARG_ENABLE(ospfd,
 247   AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
 248 AC_ARG_ENABLE(ospf6d,
 249   AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
 250 AC_ARG_ENABLE(ldpd,
 251   AS_HELP_STRING([--enable-ldpd], [build ldpd]))
 252 AC_ARG_ENABLE(nhrpd,
 253   AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
 254 AC_ARG_ENABLE(eigrpd,
 255   AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
 256 AC_ARG_ENABLE(babeld,
 257   AS_HELP_STRING([--disable-babeld], [do not build babeld]))
 258 AC_ARG_ENABLE(watchfrr,
 259   AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
 260 AC_ARG_ENABLE(isisd,
 261   AS_HELP_STRING([--disable-isisd], [do not build isisd]))
 262 AC_ARG_ENABLE(pimd,
 263   AS_HELP_STRING([--disable-pimd], [do not build pimd]))
 264 AC_ARG_ENABLE(bgp-announce,
 265   AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
 266 AC_ARG_ENABLE(bgp-vnc,
 267   AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
 268 AC_ARG_WITH(rfp-path,
 269   AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
 270 AC_ARG_ENABLE(snmp,
 271   AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
 272 AC_ARG_WITH(libpam,
 273   AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
 274 AC_ARG_ENABLE(tcp-zebra,
 275   AS_HELP_STRING([--enable-tcp-zebra], [enable TCP/IP socket connection between zebra and protocol daemon]))
 276 AC_ARG_ENABLE(ospfapi,
 277   AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
 278 AC_ARG_ENABLE(ospfclient,
 279   AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
 280                           (this is the default if --disable-ospfapi is set)]))
 281 AC_ARG_ENABLE(multipath,
 282   AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
 283 AC_ARG_ENABLE(user,
 284   AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
 285 AC_ARG_ENABLE(group,
 286   AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
 287 AC_ARG_ENABLE(vty_group,
 288   AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
 289 AC_ARG_ENABLE(configfile_mask,
 290   AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
 291 AC_ARG_ENABLE(logfile_mask,
 292   AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
 293 AC_ARG_ENABLE(shell_access,
 294   AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
 295 AC_ARG_ENABLE(rtadv,
 296   AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
 297 AC_ARG_ENABLE(irdp,
 298   AS_HELP_STRING([--enable-irdp], [enable IRDP server support in zebra]))
 299 AC_ARG_ENABLE(capabilities,
 300   AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
 301 AC_ARG_ENABLE(rusage,
 302   AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
 303 AC_ARG_ENABLE(gcc_ultra_verbose,
 304   AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
 305 AC_ARG_ENABLE(linux24_tcp_md5,
 306   AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
 307 AC_ARG_ENABLE(backtrace,
 308   AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
 309 AC_ARG_ENABLE(time-check,
 310   AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
 311 AC_ARG_ENABLE(pcreposix,
 312   AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
 313 AC_ARG_ENABLE(fpm,
 314   AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
 315 AC_ARG_ENABLE(systemd,
 316   AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
 317 AC_ARG_ENABLE(poll,
 318   AS_HELP_STRING([--enable-poll], [enable usage of Poll instead of select]))
 319 AC_ARG_ENABLE(werror,
 320   AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
 321 AC_ARG_ENABLE(cumulus,
 322   AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
 323 AC_ARG_ENABLE(datacenter,
 324   AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
 325 AC_ARG_ENABLE(rr-semantics,
 326   AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
 327 AC_ARG_ENABLE([protobuf],
 328   AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
 329 AC_ARG_ENABLE([oldvpn_commands],
 330   AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
 331
 332 AC_CHECK_HEADERS(json-c/json.h)
 333 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c")
 334 if test $ac_cv_lib_json_c_json_object_get = no; then
 335   AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
 336   if test $ac_cv_lib_json_json_object_get = no; then
 337       AC_MSG_ERROR([lib json is needed to compile])
 338   fi
 339 fi
 340
 341 AC_ARG_ENABLE([dev_build],
 342     AS_HELP_STRING([--enable-dev-build], [build for development]))
 343
 344 if test x"${enable_time_check}" != x"no" ; then
 345   if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
 346     AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
 347   else
 348     AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
 349   fi
 350 fi
 351
 352 case "${enable_systemd}" in
 353   "no") ;;
 354   "yes")
 355   AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
 356   if test $ac_cv_lib_systemd_sd_notify = no; then
 357     AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
 358   else
 359     AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
 360   fi
 361   ;;
 362   "*") ;;
 363 esac
 364
 365 if test "${enable_rr_semantics}" != "no" ; then
 366   AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
 367 fi
 368
 369 if test "${enable_poll}" = "yes" ; then
 370   AC_DEFINE(HAVE_POLL_CALL,,Compile systemd support in)
 371 fi
 372
 373 dnl ----------
 374 dnl MPLS check
 375 dnl ----------
 376 AC_MSG_CHECKING(whether this OS has MPLS stack)
 377 case "$host" in
 378   *-linux*)
 379       MPLS_METHOD="zebra_mpls_netlink.o zebra_mpls.o"
 380       AC_MSG_RESULT(Linux MPLS)
 381   ;;
 382   *-openbsd*)
 383       MPLS_METHOD="zebra_mpls_openbsd.o zebra_mpls.o"
 384       AC_MSG_RESULT(OpenBSD MPLS)
 385   ;;
 386   *)
 387       MPLS_METHOD="zebra_mpls_null.o"
 388       AC_MSG_RESULT(Unsupported kernel)
 389   ;;
 390 esac
 391 AC_SUBST(MPLS_METHOD)
 392
 393 if test "${enable_datacenter}" = "yes" ; then
 394   AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
 395   DFLT_NAME="datacenter"
 396 else
 397   DFLT_NAME="traditional"
 398 fi
 399
 400 if test "${enable_cumulus}" = "yes" ; then
 401   AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
 402 fi
 403
 404 AC_SUBST(DFLT_NAME)
 405 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
 406
 407 if test "${enable_shell_access}" = "yes"; then
 408    AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
 409 fi
 410
 411 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
 412
 413 if test "x${enable_dev_build}" = "xyes"; then
 414    AC_DEFINE(DEV_BUILD,,Build for development)
 415 fi
 416 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
 417
 418 #
 419 # Logic for protobuf support.
 420 #
 421 if test "$enable_protobuf" = "yes"; then
 422    have_protobuf=yes
 423
 424    # Check for protoc-c
 425    AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
 426    if test "x$PROTOC_C" = "x/bin/false"; then
 427       have_protobuf=no
 428    else
 429       found_protobuf_c=no
 430       PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
 431                      [found_protobuf_c=yes],
 432                      [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
 433
 434       if test "x$found_protobuf_c" = "xyes"; then
 435          LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
 436          CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
 437       else
 438         AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
 439                         [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
 440       fi
 441    fi
 442 fi
 443
 444 #
 445 # Logic for old vpn commans support.
 446 #
 447 if test "$enable_oldvpn_commands" = "yes"; then
 448    AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
 449 fi
 450
 451 # Fail if the user explicity enabled protobuf support and we couldn't
 452 # find the compiler or libraries.
 453 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
 454    AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
 455 fi
 456
 457 if test "x$have_protobuf" = "xyes"; then
 458    AC_DEFINE(HAVE_PROTOBUF,, protobuf)
 459 fi
 460
 461 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
 462
 463 #
 464 # End of logic for protobuf support.
 465 #
 466
 467 if test "${enable_tcp_zebra}" = "yes"; then
 468   AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
 469 fi
 470
 471 if test "${enable_linux24_tcp_md5}" = "yes"; then
 472   AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
 473 fi
 474
 475 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
 476 if test "${enable_rtadv}" != "no"; then
 477   AC_MSG_RESULT(yes)
 478   AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
 479 else
 480   AC_MSG_RESULT(no)
 481 fi
 482
 483 if test "${enable_irdp}" = "yes"; then
 484   AC_DEFINE(HAVE_IRDP,, IRDP )
 485 fi
 486
 487 if test x"${enable_user}" = x"no"; then
 488   enable_user=""
 489 else
 490   if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
 491     enable_user="frr"
 492   fi
 493   AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
 494 fi
 495
 496 if test x"${enable_group}" = x"no"; then
 497   enable_group=""
 498 else
 499   if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
 500     enable_group="frr"
 501   fi
 502   AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
 503 fi
 504
 505 if test x"${enable_vty_group}" = x"yes" ; then
 506   AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
 507 elif test x"${enable_vty_group}" != x""; then
 508   if test x"${enable_vty_group}" != x"no"; then
 509     AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
 510   fi
 511 fi
 512 AC_SUBST([enable_user])
 513 AC_SUBST([enable_group])
 514 AC_SUBST([enable_vty_group])
 515
 516 enable_configfile_mask=${enable_configfile_mask:-0600}
 517 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
 518
 519 enable_logfile_mask=${enable_logfile_mask:-0600}
 520 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
 521
 522 MPATH_NUM=1
 523
 524 case "${enable_multipath}" in
 525   0)
 526     MPATH_NUM=64
 527     ;;
 528   [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
 529     MPATH_NUM="${enable_multipath}"
 530     ;;
 531   "")
 532     ;;
 533   *)
 534     AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
 535     ;;
 536 esac
 537
 538 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
 539
 540 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
 541
 542 dnl -----------------------------------
 543 dnl Add extra version string to package
 544 dnl name, string and version fields.
 545 dnl -----------------------------------
 546 if test "x${EXTRAVERSION}" != "x" ; then
 547   VERSION="${VERSION}${EXTRAVERSION}"
 548   PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
 549   AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
 550   PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
 551 fi
 552
 553 if test "x$with_pkg_git_version" = "xyes"; then
 554         if test -d "${srcdir}/.git"; then
 555                 AC_DEFINE(GIT_VERSION, [1], [include git version info])
 556         else    with_pkg_git_version="no"
 557                 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
 558         fi
 559 fi
 560 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
 561
 562 dnl ------------------------------------
 563 dnl Check C keywords and standard  types
 564 dnl ------------------------------------
 565 AC_C_CONST
 566 AC_C_INLINE
 567 AC_C_VOLATILE
 568 AC_HEADER_STDC
 569 dnl AC_TYPE_PID_T
 570 AC_TYPE_UID_T
 571 AC_TYPE_MODE_T
 572 AC_TYPE_SIZE_T
 573 AC_STRUCT_TM
 574
 575 dnl -------------------------
 576 dnl Check other header files.
 577 dnl -------------------------
 578 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
 579         linux/version.h asm/types.h \
 580         sys/cdefs.h])
 581
 582 ac_stdatomic_ok=false
 583 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
 584 AC_CHECK_HEADER([stdatomic.h],[
 585
 586   AC_MSG_CHECKING([whether _Atomic qualifier works])
 587   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 588 #include <stdatomic.h>
 589 int main(int argc, char **argv) {
 590   _Atomic int i = 0;
 591   return i;
 592 }
 593 ]])], [
 594     AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
 595     AC_MSG_RESULT([yes])
 596     ac_stdatomic_ok=true
 597   ], [
 598     AC_MSG_RESULT([no])
 599   ])
 600 ])
 601
 602 AS_IF([$ac_stdatomic_ok], [true], [
 603   AC_MSG_CHECKING([for __atomic_* builtins])
 604   AC_LINK_IFELSE([AC_LANG_SOURCE([[
 605 int main(int argc, char **argv) {
 606   volatile int i = 1;
 607   __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
 608   return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
 609 }
 610 ]])], [
 611     AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
 612     AC_MSG_RESULT([yes])
 613   ], [
 614     AC_MSG_RESULT([no])
 615
 616     dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
 617     AC_MSG_CHECKING([for __sync_* builtins])
 618     AC_LINK_IFELSE([AC_LANG_SOURCE([[
 619 int main(int argc, char **argv) {
 620   volatile int i = 1;
 621   __sync_fetch_and_sub (&i, 1);
 622   return __sync_val_compare_and_swap (&i, 0, 1);
 623 }
 624 ]])], [
 625       AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
 626       AC_MSG_RESULT([yes])
 627
 628       AC_MSG_CHECKING([for __sync_swap builtin])
 629       AC_LINK_IFELSE([AC_LANG_SOURCE([[
 630 int main(int argc, char **argv) {
 631   volatile int i = 1;
 632   return __sync_swap (&i, 2);
 633 }
 634 ]])], [
 635         AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
 636         AC_MSG_RESULT([yes])
 637       ], [
 638         AC_MSG_RESULT([no])
 639       ])
 640
 641     ], [
 642       AC_MSG_RESULT([no])
 643       AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
 644     ])
 645   ])
 646 ])
 647
 648 dnl Utility macro to avoid retyping includes all the time
 649 m4_define([FRR_INCLUDES],
 650 [#ifdef SUNOS_5
 651 #define _XPG4_2
 652 #define __EXTENSIONS__
 653 #endif
 654 #include <stdio.h>
 655 #include <stdlib.h>
 656 #include <stddef.h>
 657 #include <sys/types.h>
 658 /* sys/conf.h depends on param.h on FBSD at least */
 659 #include <sys/param.h>
 660 /* Required for MAXSIG */
 661 #include <signal.h>
 662 #include <sys/socket.h>
 663 #ifdef __APPLE__
 664 # define __APPLE_USE_RFC_3542
 665 #endif
 666 #include <netinet/in.h>
 667 #include <sys/time.h>
 668 #include <time.h>
 669 #include <net/if.h>
 670 ])dnl
 671
 672 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
 673 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
 674 dnl an additional round for it.
 675
 676 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
 677
 678 m4_define([FRR_INCLUDES],
 679 FRR_INCLUDES
 680 [#if HAVE_NET_IF_VAR_H
 681 # include <net/if_var.h>
 682 #endif
 683 ])dnl
 684
 685 AC_CHECK_HEADERS([netinet/in_var.h \
 686         net/if_dl.h net/netopt.h \
 687         inet/nd.h netinet/ip_icmp.h \
 688         sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
 689         [], [], FRR_INCLUDES)
 690
 691 AC_CHECK_HEADERS([ucontext.h], [], [],
 692 [#ifndef __USE_GNU
 693 #define __USE_GNU
 694 #endif /* __USE_GNU */
 695 FRR_INCLUDES
 696 ])
 697
 698 m4_define([UCONTEXT_INCLUDES],
 699 [#include <ucontext.h>])dnl
 700
 701 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
 702   [], [], [UCONTEXT_INCLUDES])
 703 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
 704   [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
 705    [], [], [UCONTEXT_INCLUDES])],
 706   [], [UCONTEXT_INCLUDES])
 707 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
 708   [], [], [UCONTEXT_INCLUDES])
 709
 710 m4_define([FRR_INCLUDES],
 711 FRR_INCLUDES
 712 [
 713 #include <sys/un.h>
 714 #include <netinet/in_systm.h>
 715 #if HAVE_NETINET_IN_VAR_H
 716 # include <netinet/in_var.h>
 717 #endif
 718 #if HAVE_NET_IF_DL_H
 719 # include <net/if_dl.h>
 720 #endif
 721 #if HAVE_NET_NETOPT_H
 722 # include <net/netopt.h>
 723 #endif
 724 #include <net/route.h>
 725 #if HAVE_INET_ND_H
 726 # include <inet/nd.h>
 727 #endif
 728 #include <arpa/inet.h>
 729 /* Required for IDRP */
 730 #if HAVE_NETINET_IP_ICMP_H
 731 # include <netinet/ip_icmp.h>
 732 #endif
 733 ])dnl
 734
 735 dnl V6 headers are checked below, after we check for v6
 736
 737 dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
 738 case "$host" in
 739   [*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
 740       opsys=sol2-6
 741       AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
 742       AC_DEFINE(SUNOS_5, 1, SunOS 5)
 743       AC_CHECK_LIB(xnet, main)
 744       CURSES=-lcurses
 745       SOLARIS="solaris"
 746   ;;
 747   [*-sunos5.[8-9]] \
 748   | [*-sunos5.1[0-9]] \
 749   | [*-sunos5.1[0-9].[0-9]] \
 750   | [*-solaris2.[8-9]] \
 751   | [*-solaris2.1[0-9]] \
 752   | [*-solaris2.1[0-9].[0-9]])
 753       opsys=sol8
 754       AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
 755       AC_DEFINE(SUNOS_5, 1, [SunOS 5])
 756       AC_CHECK_LIB(socket, main)
 757       AC_CHECK_LIB(nsl, main)
 758       AC_CHECK_LIB(umem, main)
 759       AC_CHECK_FUNCS([printstack],
 760         [AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
 761          AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
 762         ])
 763       CURSES=-lcurses
 764       SOLARIS="solaris"
 765   ;;
 766   *-sunos5* | *-solaris2*)
 767       AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
 768       AC_CHECK_LIB(socket, main)
 769       AC_CHECK_LIB(nsl, main)
 770       CURSES=-lcurses
 771       SOLARIS="solaris"
 772   ;;
 773   *-linux*)
 774       opsys=gnu-linux
 775       AC_DEFINE(GNU_LINUX,,GNU Linux)
 776   ;;
 777   *-openbsd*)
 778       opsys=openbsd
 779       AC_DEFINE(OPEN_BSD,,OpenBSD)
 780   ;;
 781 esac
 782
 783 AC_SYS_LARGEFILE
 784
 785 dnl ---------------------
 786 dnl Integrated VTY option
 787 dnl ---------------------
 788 case "${enable_vtysh}" in
 789   "no") VTYSH="";;
 790   *)    VTYSH="vtysh";
 791          AC_DEFINE(VTYSH,,VTY shell)
 792 dnl      Vtysh uses libreadline, which looks for termcap functions at
 793 dnl      configure time.  We follow readlines search order.
 794 dnl      The required procedures are in libtermcap on NetBSD, in
 795 dnl      [TODO] on Linux, and in [TODO] on Solaris.
 796          AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
 797            [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
 798              [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
 799                [AC_CHECK_LIB(ncurses, tputs,
 800                              LIBREADLINE="$LIBREADLINE -lncurses")]
 801               )]
 802             )]
 803           )
 804          AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
 805                       "$LIBREADLINE")
 806          if test $ac_cv_lib_readline_main = no; then
 807            AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
 808          fi
 809          AC_CHECK_HEADER(readline/history.h)
 810          if test $ac_cv_header_readline_history_h = no;then
 811            AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
 812          fi
 813          AC_CHECK_LIB(readline, rl_completion_matches,
 814                       LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
 815          if test $ac_cv_lib_readline_rl_completion_matches = no; then
 816            AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
 817          fi
 818          ;;
 819 esac
 820 AC_SUBST(LIBREADLINE)
 821 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
 822
 823 dnl ----------
 824 dnl PAM module
 825 dnl
 826 dnl Quagga detects the PAM library it is built against by checking for a
 827 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
 828 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
 829 dnl openpam.h doesn't do that, although depends on the header too. Hence a
 830 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
 831 dnl of OpenPAM.
 832 dnl ----------
 833 if test "$with_libpam" = "yes"; then
 834   AC_CHECK_HEADER([security/pam_misc.h],
 835     [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
 836      AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
 837      pam_conv_func="misc_conv"
 838     ],
 839     [], FRR_INCLUDES)
 840   AC_CHECK_HEADER([security/openpam.h],
 841     [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
 842      AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
 843      pam_conv_func="openpam_ttyconv"
 844     ],
 845     [], FRR_INCLUDES[#include <security/pam_appl.h>])
 846   if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
 847     AC_MSG_WARN([*** pam support will not be built ***])
 848     with_libpam="no"
 849   fi
 850 fi
 851
 852 if test "$with_libpam" = "yes"; then
 853 dnl took this test from proftpds configure.in and suited to our needs
 854 dnl -------------------------------------------------------------------------
 855 dnl
 856 dnl This next check looks funky due to a linker problem with some versions
 857 dnl of the PAM library.  Prior to 0.72 release, the Linux PAM shared library
 858 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
 859 dnl with RedHat 6.2 and Debian 2.2 or better.
 860 AC_CHECK_LIB(pam, pam_start,
 861   [AC_CHECK_LIB(pam, $pam_conv_func,
 862     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 863      LIBPAM="-lpam"],
 864     [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 865      LIBPAM="-lpam -lpam_misc"]
 866     )
 867   ],
 868
 869   [AC_CHECK_LIB(pam, pam_end,
 870     [AC_CHECK_LIB(pam, $pam_conv_func,
 871       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 872        LIBPAM="-lpam -ldl"],
 873       [AC_DEFINE(USE_PAM,,Use PAM for authentication)
 874        LIBPAM="-lpam -ldl -lpam_misc"]
 875      )
 876   ],AC_MSG_WARN([*** pam support will not be built ***]),
 877   [-ldl])
 878   ]
 879 )
 880 fi
 881 AC_SUBST(LIBPAM)
 882
 883 dnl -------------------------------
 884 dnl Endian-ness check
 885 dnl -------------------------------
 886 AC_WORDS_BIGENDIAN
 887
 888 dnl -------------------------------
 889 dnl check the size in byte of the C
 890 dnl -------------------------------
 891 dnl AC_CHECK_SIZEOF(char)
 892 dnl AC_CHECK_SIZEOF(int)
 893 dnl AC_CHECK_SIZEOF(short)
 894 dnl AC_CHECK_SIZEOF(long)
 895
 896 dnl ----------------------------
 897 dnl check existance of functions
 898 dnl ----------------------------
 899 AC_FUNC_FNMATCH
 900 AC_FUNC_FORK
 901 AC_FUNC_MKTIME
 902 AC_FUNC_STAT
 903
 904 dnl -------------------------------
 905 dnl bgpd needs pow() and hence libm
 906 dnl -------------------------------
 907 TMPLIBS="$LIBS"
 908 AC_CHECK_HEADER([math.h],
 909   [AC_CHECK_LIB([m], [pow],
 910     [LIBM="-lm"
 911      LIBS="$LIBS $LIBM"
 912      AC_CHECK_FUNCS(pow,[],[LIBM=""])
 913     ])
 914 ])
 915 if test x"$LIBM" = x ; then
 916   AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
 917 fi
 918 LIBS="$TMPLIBS"
 919 AC_SUBST(LIBM)
 920
 921 dnl ---------------
 922 dnl other functions
 923 dnl ---------------
 924 AC_CHECK_FUNCS([ \
 925         strlcat strlcpy \
 926         getgrouplist \
 927         pledge])
 928
 929 AC_CHECK_HEADER([asm-generic/unistd.h],
 930                 [AC_CHECK_DECL(__NR_setns,
 931                                AC_DEFINE(HAVE_NETNS,, Have netns),,
 932                                FRR_INCLUDES [#include <asm-generic/unistd.h>
 933                                ])
 934                  AC_CHECK_FUNCS(setns)]
 935                )
 936
 937 dnl ------------------------------------
 938 dnl Determine routing get and set method
 939 dnl ------------------------------------
 940 AC_MSG_CHECKING(zebra between kernel interface method)
 941 if test x"$opsys" = x"gnu-linux"; then
 942   AC_MSG_RESULT(netlink)
 943   RT_METHOD=rt_netlink.o
 944   KERNEL_METHOD=kernel_netlink.o
 945   AC_DEFINE(HAVE_NETLINK,,netlink)
 946   netlink=yes
 947   AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
 948 else
 949   AC_MSG_RESULT(Route socket)
 950   KERNEL_METHOD="kernel_socket.o"
 951   RT_METHOD="rt_socket.o"
 952 fi
 953 AC_SUBST(RT_METHOD)
 954 AC_SUBST(KERNEL_METHOD)
 955 AM_CONDITIONAL([HAVE_NETLINK], [test "x$netlink" = "xyes"])
 956
 957 dnl --------------------------
 958 dnl Determine IS-IS I/O method
 959 dnl --------------------------
 960 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
 961 AC_DEFINE(ISIS_METHOD_DLPI,     2, [ constant value for isis method dlpi ])
 962 AC_DEFINE(ISIS_METHOD_BPF,      3, [ constant value for isis method bpf ])
 963 AC_CHECK_HEADER(net/bpf.h)
 964 AC_CHECK_HEADER(sys/dlpi.h)
 965 AC_MSG_CHECKING(zebra IS-IS I/O method)
 966 if test x"$opsys" = x"gnu-linux"; then
 967   AC_MSG_RESULT(pfpacket)
 968   ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
 969 elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
 970   AC_MSG_RESULT(DLPI)
 971   ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 972 else
 973   if test $ac_cv_header_net_bpf_h = no; then
 974     if test $ac_cv_header_sys_dlpi_h = no; then
 975       AC_MSG_RESULT(none)
 976       AC_MSG_WARN([*** IS-IS support will not be built ***])
 977       ISISD=""
 978     else
 979       AC_MSG_RESULT(DLPI)
 980     fi
 981     ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
 982   else
 983     AC_MSG_RESULT(BPF)
 984     ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
 985   fi
 986 fi
 987 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
 988
 989 dnl ------------------------------------
 990 dnl check for broken CMSG_FIRSTHDR macro
 991 dnl ------------------------------------
 992 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
 993 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 994 #ifdef SUNOS_5
 995 #define _XPG4_2
 996 #define __EXTENSIONS__
 997 #endif
 998 #include <stdlib.h>
 999 #include <sys/types.h>
1000 #include <sys/socket.h>
1001
1002 main()
1003 {
1004   struct msghdr msg;
1005   char buf[4];
1006
1007   msg.msg_control = buf;
1008   msg.msg_controllen = 0;
1009
1010   if (CMSG_FIRSTHDR(&msg) != NULL)
1011     exit(0);
1012   exit (1);
1013 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1014 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1015
1016 dnl ------------------------------
1017 dnl check kernel route read method
1018 dnl ------------------------------
1019 AC_CACHE_CHECK([route read method], [frr_cv_rtread_method],
1020 [if test "x$netlink" = xyes; then
1021   frr_cv_rtread_method="netlink"
1022 else
1023 for frr_cv_rtread_method in /dev/ip /dev/null;
1024 do
1025   test x`ls $frr_cv_rtread_method 2>/dev/null` = x"$frr_cv_rtread_method" && break
1026 done
1027 case $frr_cv_rtread_method in
1028   "/dev/ip")
1029                      case "$host" in
1030                        *-freebsd*)    frr_cv_rtread_method="sysctl";;
1031                        *)             frr_cv_rtread_method="getmsg";;
1032                      esac;;
1033         *)
1034                      frr_cv_rtread_method="sysctl";;
1035 esac
1036 fi])
1037 RTREAD_METHOD=rtread_${frr_cv_rtread_method}.o
1038 AC_SUBST(RTREAD_METHOD)
1039
1040 dnl -----------------------------
1041 dnl check interface lookup method
1042 dnl -----------------------------
1043 IOCTL_METHOD=ioctl.o
1044 AC_MSG_CHECKING(interface looking up method)
1045 if test "$netlink" = yes; then
1046   AC_MSG_RESULT(netlink)
1047   IF_METHOD=if_netlink.o
1048 elif test "$opsys" = "sol2-6";then
1049   AC_MSG_RESULT(Solaris GIF)
1050   IF_METHOD=if_ioctl.o
1051 elif test "$opsys" = "sol8";then
1052   AC_MSG_RESULT(Solaris GLIF)
1053   IF_METHOD=if_ioctl_solaris.o
1054   IOCTL_METHOD=ioctl_solaris.o
1055 elif test "$opsys" = "openbsd";then
1056   AC_MSG_RESULT(openbsd)
1057   IF_METHOD=if_ioctl.o
1058 elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
1059   AC_MSG_RESULT(sysctl)
1060     IF_METHOD=if_sysctl.o
1061     AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
1062 else
1063     AC_MSG_RESULT(ioctl)
1064     IF_METHOD=if_ioctl.o
1065 fi
1066 AC_SUBST(IF_METHOD)
1067 AC_SUBST(IOCTL_METHOD)
1068
1069 dnl ---------------------------------------------------------------
1070 dnl figure out how to specify an interface in multicast sockets API
1071 dnl ---------------------------------------------------------------
1072 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1073
1074 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1075         #include <sys/socket.h>
1076         #include <netinet/in.h>
1077         #define _LINUX_IN_H             /* For Linux <= 2.6.25 */
1078         #include <linux/types.h>
1079 ])
1080
1081 m4_define([FRR_INCLUDES],
1082 FRR_INCLUDES
1083 [#if HAVE_LINUX_MROUTE_H
1084 # include <linux/mroute.h>
1085 #endif
1086 ])dnl
1087
1088 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1089         #include <sys/socket.h>
1090         #include <sys/types.h>
1091         #include <netinet/in.h>
1092         #include <net/route.h>
1093 ])
1094
1095 m4_define([FRR_INCLUDES],
1096 FRR_INCLUDES
1097 [#if HAVE_NETINET_IP_MROUTE_H
1098 # include <netinet/ip_mroute.h>
1099 #endif
1100 ])dnl
1101
1102 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1103 AC_TRY_COMPILE([#include <sys/param.h>],
1104 [#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)
1105   return (0);
1106 #else
1107   #error No support for BSD struct ip_mreq hack detected
1108 #endif],[AC_MSG_RESULT(yes)
1109 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1110 AC_MSG_RESULT(no))
1111
1112 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1113 AC_TRY_COMPILE([
1114 #include <sys/types.h>
1115 #include <netinet/in.h>
1116 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1117 ], [AC_MSG_RESULT(yes)
1118 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1119 AC_MSG_RESULT(no))
1120
1121 dnl ---------------------------------------------------------------
1122 dnl figure out how to check link-state
1123 dnl ---------------------------------------------------------------
1124 AC_CHECK_HEADER( [net/if_media.h],
1125   [m4_define([LINK_DETECT_INCLUDES],
1126     FRR_INCLUDES
1127     [#include <net/if_media.h>
1128   ])
1129   AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1130     AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1131     [], LINK_DETECT_INCLUDES)],
1132   [],
1133   FRR_INCLUDES)
1134
1135 dnl ---------------------------------------------------------------
1136 dnl Additional, newer way to check link-state using ifi_link_state.
1137 dnl Not available in all BSD's when ifmediareq available
1138 dnl ---------------------------------------------------------------
1139 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1140   AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1141   [], FRR_INCLUDES)
1142
1143 dnl ------------------------
1144 dnl TCP_MD5SIG socket option
1145 dnl ------------------------
1146
1147 AC_CHECK_HEADER([netinet/tcp.h],
1148    [m4_define([MD5_INCLUDES],
1149       FRR_INCLUDES
1150       [#include <netinet/tcp.h>
1151     ])
1152     AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1153    [],
1154    FRR_INCLUDES)
1155 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1156   AC_CHECK_HEADER([linux/tcp.h],
1157        [m4_define([MD5_INCLUDES],
1158           FRR_INCLUDES
1159           [#include <linux/tcp.h>
1160         ])
1161        AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1162 fi
1163
1164 dnl -----------------------------
1165 dnl check ipforward detect method
1166 dnl -----------------------------
1167 AC_CACHE_CHECK([ipforward method], [frr_cv_ipforward_method],
1168 [if test x$cross_compiling = xyes; then
1169   if test x"$opsys" = x"gnu-linux"; then
1170     frr_cv_ipforward_method=/proc/net/snmp
1171   else
1172     frr_cv_ipforward_method=/dev/ip
1173   fi
1174 else
1175   for frr_cv_ipforward_method in /proc/net/snmp /dev/ip /dev/null;
1176   do
1177     test x`ls $frr_cv_ipforward_method 2>/dev/null` = x"$frr_cv_ipforward_method" && break
1178   done
1179 fi
1180 case $frr_cv_ipforward_method in
1181   "/proc/net/snmp")  frr_cv_ipforward_method="proc";;
1182   "/dev/ip")
1183                      case "$host" in
1184                        *-freebsd*)    frr_cv_ipforward_method="sysctl";;
1185                        *)             frr_cv_ipforward_method="solaris";;
1186                      esac;;
1187   *)                 frr_cv_ipforward_method="sysctl";;
1188 esac])
1189 IPFORWARD=ipforward_${frr_cv_ipforward_method}.o
1190 AC_SUBST(IPFORWARD)
1191
1192 dnl ----------------------------------------------------------------------------
1193 dnl figure out if domainname is available in the utsname struct (GNU extension).
1194 dnl ----------------------------------------------------------------------------
1195 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1196
1197 dnl ----------
1198 dnl IPv6 check
1199 dnl ----------
1200 AC_MSG_CHECKING(whether does this OS have IPv6 stack)
1201 dnl ---------
1202 dnl KAME IPv6
1203 dnl ---------
1204   if grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
1205     AC_DEFINE(KAME,1,KAME IPv6)
1206     AC_MSG_RESULT(KAME)
1207 dnl ------------------------------------
1208 dnl Solaris 9, 10 and potentially higher
1209 dnl ------------------------------------
1210   elif test x"$opsys" = x"sol8"; then
1211     AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
1212     AC_MSG_RESULT(Solaris IPv6)
1213 dnl ----------
1214 dnl Linux IPv6
1215 dnl ----------
1216   elif test x"$opsys" = x"gnu-linux"; then
1217     AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
1218     dnl Linux has a compilation problem with mixing
1219     dnl netinet/in.h and linux/in6.h they are not
1220     dnl compatible.  There has been discussion on
1221     dnl how to fix it but no real progress on implementation
1222     dnl when they fix it, remove this
1223     AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
1224     AC_MSG_RESULT(Linux IPv6)
1225   else
1226     AC_MSG_ERROR([Failed to detect IPv6 stack])
1227   fi
1228
1229 dnl ------------------
1230 dnl IPv6 header checks
1231 dnl ------------------
1232 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1233         netinet6/in6_var.h netinet6/nd6.h], [], [],
1234         FRR_INCLUDES)
1235
1236 m4_define([FRR_INCLUDES],dnl
1237 FRR_INCLUDES
1238 [#if HAVE_NETINET6_IN6_H
1239 #include <netinet6/in6.h>
1240 #endif
1241 #if HAVE_NETINET_IN6_VAR_H
1242 #include <netinet/in6_var.h>
1243 #endif
1244 #include <netinet/icmp6.h>
1245 #if HAVE_NETINET6_IN6_VAR_H
1246 # include <netinet6/in6_var.h>
1247 #endif
1248 #if HAVE_NETINET6_ND6_H
1249 # include <netinet6/nd6.h>
1250 #endif
1251 ])dnl
1252
1253 dnl disable doc check
1254 if test "${enable_doc}" = "no";then
1255   DOC=""
1256 else
1257   DOC="doc"
1258 fi
1259
1260 dnl --------------------
1261 dnl Daemon disable check
1262 dnl --------------------
1263 if test "${enable_zebra}" = "no";then
1264   ZEBRA=""
1265 else
1266   ZEBRA="zebra"
1267 fi
1268 AM_CONDITIONAL(ZEBRA, test "x$ZEBRA" = "xzebra")
1269
1270 if test "${enable_bgpd}" = "no";then
1271   BGPD=""
1272 else
1273   BGPD="bgpd"
1274 fi
1275 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1276
1277 if test "${enable_ripd}" = "no";then
1278   RIPD=""
1279 else
1280   RIPD="ripd"
1281 fi
1282 AM_CONDITIONAL(RIPD, test "x$RIPD" = "xripd")
1283
1284 if test "${enable_ospfd}" = "no";then
1285   OSPFD=""
1286 else
1287   OSPFD="ospfd"
1288 fi
1289 AM_CONDITIONAL(OSPFD, test "x$OSPFD" = "xospfd")
1290
1291 if test "${enable_ldpd}" = "no";then
1292   LDPD=""
1293 else
1294   AX_PROG_PERL_MODULES(XML::LibXML, , [
1295     if test -f "${srcdir}/ldpd/ldp_vty_cmds.c"; then
1296       AC_MSG_WARN([XML::LibXML perl module not found, using pregenerated ldp_vty_cmds.c])
1297     else
1298       AC_MSG_ERROR([XML::LibXML perl module not found and pregenerated ldp_vty_cmds.c missing])
1299     fi
1300   ])
1301
1302   LDPD="ldpd"
1303   AC_DEFINE(HAVE_LDPD, 1, ldpd)
1304 fi
1305 AM_CONDITIONAL(LDPD, test "x$LDPD" = "xldpd")
1306
1307 NHRPD=""
1308 if test "$opsys" = "gnu-linux"; then
1309   if test "${enable_nhrpd}" != "no"; then
1310     NHRPD="nhrpd"
1311   fi
1312 else
1313   if test "${enable_nhrpd}" = "yes"; then
1314     AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1315   fi
1316 fi
1317 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1318
1319 if test "${enable_eigrpd}" = "no";then
1320   EIGRPD=""
1321 else
1322   EIGRPD="eigrpd"
1323 fi
1324 AM_CONDITIONAL(EIGRPD, test "x$EIGRPD" = "xeigrpd")
1325
1326 if test "${enable_watchfrr}" = "no";then
1327   WATCHFRR=""
1328 else
1329   WATCHFRR="watchfrr"
1330 fi
1331 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1332
1333 OSPFCLIENT=""
1334 if test "${enable_ospfapi}" != "no";then
1335     AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1336
1337   if test "${enable_ospfclient}" != "no";then
1338       OSPFCLIENT="ospfclient"
1339   fi
1340 fi
1341
1342 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1343
1344 case "${enable_ripngd}" in
1345   "no" ) RIPNGD="";;
1346   *    ) RIPNGD="ripngd";;
1347 esac
1348 AM_CONDITIONAL(RIPNGD, test "x$RIPNGD" = "xripngd")
1349
1350 case "${enable_babeld}" in
1351   "no" ) BABELD="";;
1352   *    ) BABELD="babeld";;
1353 esac
1354 AM_CONDITIONAL(BABELD, test "x$BABELD" = "xbabeld")
1355
1356 case "${enable_ospf6d}" in
1357   "no" ) OSPF6D="";;
1358   *    ) OSPF6D="ospf6d";;
1359 esac
1360 AM_CONDITIONAL(OSPF6D, test "x$OSPF6D" = "xospf6d")
1361
1362 case "${enable_isisd}" in
1363   "no" ) ISISD="";;
1364   *    ) ISISD="isisd";;
1365 esac
1366 AM_CONDITIONAL(ISISD, test "x$ISISD" = "xisisd")
1367
1368 case "${enable_pimd}" in
1369   "no" ) PIMD="";;
1370   *    ) PIMD="pimd";;
1371 esac
1372 AM_CONDITIONAL(PIMD, test "x$PIMD" = "xpimd")
1373
1374 if test "${enable_bgp_announce}" = "no";then
1375   AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1376 else
1377   AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1378 fi
1379
1380 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1381   with_rfp_path="bgpd/rfp-example"
1382 fi
1383 if test "${with_rfp_path}" != "no"; then
1384   VNC_RFP_PATH="${with_rfp_path}"
1385   AC_SUBST(VNC_RFP_PATH)
1386 fi
1387
1388 if test "${enable_bgp_vnc}" != "no";then
1389   AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1390   RFPTEST="${with_rfp_path}/rfptest"
1391   LIBRFP="${with_rfp_path}/librfp"
1392   RFPINC="${with_rfp_path}/librfp"
1393 else
1394   RFPTEST=
1395   LIBRFP=
1396   RFPINC="bgpd/rfp-example/librfp"
1397 fi
1398 # set
1399 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1400
1401 AC_SUBST(DOC)
1402 AC_SUBST(ZEBRA)
1403 AC_SUBST(RFPTEST)
1404 AC_SUBST(LIBRFP)
1405 AC_SUBST(RFPINC)
1406 AC_SUBST(BABELD)
1407 AC_SUBST(BGPD)
1408 AC_SUBST(RIPD)
1409 AC_SUBST(RIPNGD)
1410 AC_SUBST(OSPFD)
1411 AC_SUBST(OSPF6D)
1412 AC_SUBST(LDPD)
1413 AC_SUBST(NHRPD)
1414 AC_SUBST(EIGRPD)
1415 AC_SUBST(WATCHFRR)
1416 AC_SUBST(ISISD)
1417 AC_SUBST(PIMD)
1418 AC_SUBST(SOLARIS)
1419 AC_SUBST(VTYSH)
1420 AC_SUBST(CURSES)
1421 AC_SUBST(OSPFCLIENT)
1422 AC_SUBST(OSPFAPI)
1423 AC_CHECK_LIB(crypt, crypt)
1424 AC_CHECK_LIB(resolv, res_init)
1425
1426 dnl ---------------------------
1427 dnl check system has PCRE regexp
1428 dnl ---------------------------
1429 if test "x$enable_pcreposix" = "xyes"; then
1430   AC_CHECK_LIB(pcreposix, pcreposix_regexec, ,[enable_pcreposix=no
1431   AC_MSG_WARN([*** falling back to other regex library ***]) ])
1432 fi
1433 AC_SUBST(HAVE_LIBPCREPOSIX)
1434
1435 dnl ------------------
1436 dnl check C-Ares library
1437 dnl ------------------
1438 if test "${NHRPD}" != ""; then
1439    PKG_CHECK_MODULES([CARES], [libcares])
1440 fi
1441
1442
1443 dnl ------------------
1444 dnl check Net-SNMP library
1445 dnl ------------------
1446 if test "${enable_snmp}" != ""; then
1447    AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1448    if test x"$NETSNMP_CONFIG" = x"no"; then
1449       AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1450    fi
1451    SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1452    SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1453    AC_MSG_CHECKING([whether we can link to Net-SNMP])
1454    AC_LINK_IFELSE([AC_LANG_PROGRAM([
1455 int main(void);
1456 ],
1457 [
1458 {
1459   return 0;
1460 }
1461 ])],[AC_MSG_RESULT(yes)],[
1462      AC_MSG_RESULT(no)
1463      AC_MSG_ERROR([--enable-snmp given but not usable])])
1464    case "${enable_snmp}" in
1465      yes)
1466       SNMP_METHOD=agentx
1467       ;;
1468      smux|agentx)
1469       SNMP_METHOD="${enable_snmp}"
1470       ;;
1471      *)
1472       AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1473       ;;
1474    esac
1475    AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1476    AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1477    AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1478 fi
1479 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1480 AC_SUBST(SNMP_LIBS)
1481 AC_SUBST(SNMP_CFLAGS)
1482
1483 dnl ---------------
1484 dnl dlopen & dlinfo
1485 dnl ---------------
1486 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1487   AC_MSG_ERROR([unable to find the dlopen()])
1488 ])
1489
1490 AC_CHECK_HEADERS([link.h])
1491
1492 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1493 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1494 #include <stdlib.h>
1495 #ifdef HAVE_LINK_H
1496 #include <link.h>
1497 #endif
1498 #include <dlfcn.h>
1499 ]], [[
1500   char origin[1];
1501   dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1502 ]])], [
1503   AC_MSG_RESULT(yes)
1504   AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1505 ], [
1506   AC_MSG_RESULT(no)
1507 ])
1508
1509 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1510 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1511 #include <stdlib.h>
1512 #ifdef HAVE_LINK_H
1513 #include <link.h>
1514 #endif
1515 #include <dlfcn.h>
1516 ]], [[
1517   struct link_map *lm = NULL;
1518   dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1519 ]])], [
1520   AC_MSG_RESULT(yes)
1521   AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1522 ], [
1523   AC_MSG_RESULT(no)
1524 ])
1525
1526
1527 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1528
1529 dnl ---------------------------
1530 dnl sockaddr and netinet checks
1531 dnl ---------------------------
1532 AC_CHECK_TYPES([
1533         struct sockaddr_dl,
1534         struct vifctl, struct mfcctl, struct sioc_sg_req,
1535         vifi_t, struct sioc_vif_req, struct igmpmsg,
1536         struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1537         struct nd_opt_adv_interval, struct rt_addrinfo,
1538         struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1539         [], [], FRR_INCLUDES)
1540
1541 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1542         struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1543         struct sockaddr_dl.sdl_len,
1544         struct if6_aliasreq.ifra_lifetime,
1545         struct nd_opt_adv_interval.nd_opt_ai_type],
1546         [], [], FRR_INCLUDES)
1547
1548 dnl ---------------------------
1549 dnl IRDP/pktinfo/icmphdr checks
1550 dnl ---------------------------
1551 AC_CHECK_TYPES([struct in_pktinfo],
1552  [AC_CHECK_TYPES([struct icmphdr],
1553    [if test "${enable_irdp}" != "no"; then
1554       AC_DEFINE(HAVE_IRDP,, IRDP)
1555     fi],
1556    [if test "${enable_irdp}" = "yes"; then
1557       AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1558     fi], [FRR_INCLUDES])],
1559  [if test "${enable_irdp}" = "yes"; then
1560     AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1561   fi], [FRR_INCLUDES])
1562
1563 dnl -----------------------
1564 dnl checking for IP_PKTINFO
1565 dnl -----------------------
1566 AC_MSG_CHECKING(for IP_PKTINFO)
1567 AC_TRY_COMPILE([#include <netdb.h>], [
1568   int opt = IP_PKTINFO;
1569 ], [
1570   AC_MSG_RESULT(yes)
1571   AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1572 ], [
1573   AC_MSG_RESULT(no)
1574 ])
1575
1576 dnl ---------------------------
1577 dnl checking for IP_RECVDSTADDR
1578 dnl ---------------------------
1579 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1580 AC_TRY_COMPILE([#include <netinet/in.h>], [
1581   int opt = IP_RECVDSTADDR;
1582 ], [
1583   AC_MSG_RESULT(yes)
1584   AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1585 ], [
1586   AC_MSG_RESULT(no)
1587 ])
1588
1589 dnl ----------------------
1590 dnl checking for IP_RECVIF
1591 dnl ----------------------
1592 AC_MSG_CHECKING(for IP_RECVIF)
1593 AC_TRY_COMPILE([#include <netinet/in.h>], [
1594   int opt = IP_RECVIF;
1595 ], [
1596   AC_MSG_RESULT(yes)
1597   AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1598 ], [
1599   AC_MSG_RESULT(no)
1600 ])
1601
1602 dnl ----------------------
1603 dnl checking for SO_BINDANY
1604 dnl ----------------------
1605 AC_MSG_CHECKING(for SO_BINDANY)
1606 AC_TRY_COMPILE([#include <sys/socket.h>], [
1607   int opt = SO_BINDANY;
1608 ], [
1609   AC_MSG_RESULT(yes)
1610   AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1611 ], [
1612   AC_MSG_RESULT(no)
1613 ])
1614
1615 dnl ----------------------
1616 dnl checking for IP_FREEBIND
1617 dnl ----------------------
1618 AC_MSG_CHECKING(for IP_FREEBIND)
1619 AC_TRY_COMPILE([#include <netinet/in.h>], [
1620   int opt = IP_FREEBIND;
1621 ], [
1622   AC_MSG_RESULT(yes)
1623   AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1624 ], [
1625   AC_MSG_RESULT(no)
1626 ])
1627
1628 dnl --------------------------------------
1629 dnl checking for be32dec existence or not
1630 dnl --------------------------------------
1631 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1632                [#include <sys/endian.h>])
1633
1634 dnl --------------------------------------
1635 dnl checking for clock_time monotonic struct and call
1636 dnl --------------------------------------
1637 AC_CHECK_DECL(CLOCK_MONOTONIC,
1638         [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1639          AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1640 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1641
1642 dnl --------------------------------------
1643 dnl checking for flex and bison
1644 dnl --------------------------------------
1645
1646 AM_PROG_LEX
1647 AC_MSG_CHECKING(version of flex)
1648 quagga_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1649 quagga_ac_flex_version="${quagga_ac_flex_version##* }"
1650 AC_MSG_RESULT([$quagga_ac_flex_version])
1651 AX_COMPARE_VERSION([$quagga_ac_flex_version], [lt], [2.5.20], [
1652   LEX="$SHELL $missing_dir/missing flex"
1653   if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1654     AC_MSG_WARN([using pregenerated flex output files])
1655   else
1656     AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1657   fi
1658   AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1659   AC_SUBST([LEXLIB], [''])
1660 ])
1661
1662 AC_PROG_YACC
1663 dnl thanks GNU bison for this b*llshit...
1664 AC_MSG_CHECKING(version of bison)
1665 quagga_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1666 quagga_ac_bison_version="${quagga_ac_bison_version##* }"
1667 quagga_ac_bison_missing="false"
1668 case "x${quagga_ac_bison_version}" in
1669   x2.7*)
1670     BISON_OPENBRACE='"'
1671     BISON_CLOSEBRACE='"'
1672     BISON_VERBOSE=''
1673     AC_MSG_RESULT([$quagga_ac_bison_version - 2.7 or older])
1674     ;;
1675   x2.*|x1.*)
1676     AC_MSG_RESULT([$quagga_ac_bison_version])
1677     AC_MSG_WARN([installed bison is too old.  Please install GNU bison 2.7.x or newer.])
1678     quagga_ac_bison_missing="true"
1679     ;;
1680   x)
1681     AC_MSG_RESULT([none])
1682     AC_MSG_WARN([could not determine bison version.  Please install GNU bison 2.7.x or newer.])
1683     quagga_ac_bison_missing="true"
1684     ;;
1685   *)
1686     BISON_OPENBRACE='{'
1687     BISON_CLOSEBRACE='}'
1688     BISON_VERBOSE='-Dparse.error=verbose'
1689     AC_MSG_RESULT([$quagga_ac_bison_version - 3.0 or newer])
1690     ;;
1691 esac
1692 AC_SUBST(BISON_OPENBRACE)
1693 AC_SUBST(BISON_CLOSEBRACE)
1694 AC_SUBST(BISON_VERBOSE)
1695
1696 if $quagga_ac_bison_missing; then
1697   YACC="$SHELL $missing_dir/missing bison -y"
1698   if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1699     AC_MSG_WARN([using pregenerated bison output files])
1700   else
1701     AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1702   fi
1703 fi
1704
1705 dnl -------------------
1706 dnl capabilities checks
1707 dnl -------------------
1708 if test "${enable_capabilities}" != "no"; then
1709   AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1710   AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1711     [AC_MSG_RESULT(yes)
1712      AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1713      frr_ac_keepcaps="yes"],
1714      AC_MSG_RESULT(no)
1715   )
1716   if test x"${frr_ac_keepcaps}" = x"yes"; then
1717     AC_CHECK_HEADERS(sys/capability.h)
1718   fi
1719   if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1720     AC_CHECK_LIB(cap, cap_init,
1721       [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1722        LIBCAP="-lcap"
1723        frr_ac_lcaps="yes"]
1724     )
1725   else
1726     AC_CHECK_HEADERS(priv.h,
1727      [AC_MSG_CHECKING(Solaris style privileges are available)
1728       AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1729           [AC_MSG_RESULT(yes)
1730            AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1731            frr_ac_scaps="yes"],
1732            AC_MSG_RESULT(no)
1733       )
1734      ]
1735    )
1736   fi
1737   if test x"${frr_ac_scaps}" = x"yes" \
1738        -o x"${frr_ac_lcaps}" = x"yes"; then
1739     AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1740   fi
1741 fi
1742 AC_SUBST(LIBCAP)
1743
1744 dnl ---------------------------
1745 dnl check for glibc 'backtrace'
1746 dnl ---------------------------
1747 if test x"${enable_backtrace}" != x"no" ; then
1748   backtrace_ok=no
1749   AC_CHECK_HEADER([execinfo.h], [
1750     AC_SEARCH_LIBS([backtrace], [execinfo], [
1751       AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1752       AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1753       backtrace_ok=yes
1754     ],, [-lm])
1755   ])
1756
1757   if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1758     dnl user explicitly requested backtrace but we failed to find support
1759     AC_MSG_FAILURE([failed to find backtrace support])
1760   fi
1761 fi
1762
1763 dnl -----------------------------------------
1764 dnl check for malloc mallinfo struct and call
1765 dnl this must try and link using LIBS, in
1766 dnl order to check no alternative allocator
1767 dnl has been specified, which might not provide
1768 dnl mallinfo, e.g. such as Umem on Solaris.
1769 dnl -----------------------------------------
1770 AC_CHECK_HEADER([malloc.h],
1771  [AC_MSG_CHECKING(whether mallinfo is available)
1772   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1773                         [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1774       [AC_MSG_RESULT(yes)
1775        AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1776        AC_MSG_RESULT(no)
1777   )
1778  ], [], FRR_INCLUDES)
1779
1780 dnl ----------
1781 dnl configure date
1782 dnl ----------
1783 CONFDATE=`date '+%Y%m%d'`
1784 AC_SUBST(CONFDATE)
1785
1786 dnl ------------------------------
1787 dnl set paths for state directory
1788 dnl ------------------------------
1789 AC_MSG_CHECKING(directory to use for state file)
1790 if test "${prefix}" = "NONE"; then
1791   frr_statedir_prefix="";
1792 else
1793   frr_statedir_prefix=${prefix}
1794 fi
1795 if test "${localstatedir}" = '${prefix}/var'; then
1796   for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1797                         ${frr_statedir_prefix}/var/adm dnl
1798                         ${frr_statedir_prefix}/etc dnl
1799                         /var/run        dnl
1800                         /var/adm        dnl
1801                         /etc            dnl
1802                         /dev/null;
1803   do
1804     test -d $FRR_STATE_DIR && break
1805   done
1806   frr_statedir=$FRR_STATE_DIR
1807 else
1808   frr_statedir=${localstatedir}
1809 fi
1810 if test $frr_statedir = "/dev/null"; then
1811     AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1812 fi
1813 AC_MSG_RESULT(${frr_statedir})
1814 AC_SUBST(frr_statedir)
1815
1816 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1817 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1818 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1819
1820 dnl autoconf does this, but it does it too late...
1821 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1822 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1823
1824 dnl get the full path, recursing through variables...
1825 vtysh_bin="$bindir/vtysh"
1826 for I in 1 2 3 4 5 6 7 8 9 10; do
1827         eval vtysh_bin="\"$vtysh_bin\""
1828 done
1829 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1830
1831 CFG_SYSCONF="$sysconfdir"
1832 CFG_SBIN="$sbindir"
1833 CFG_STATE="$frr_statedir"
1834 CFG_MODULE="$moduledir"
1835 for I in 1 2 3 4 5 6 7 8 9 10; do
1836         eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1837         eval CFG_SBIN="\"$CFG_SBIN\""
1838         eval CFG_STATE="\"$CFG_STATE\""
1839         eval CFG_MODULE="\"$CFG_MODULE\""
1840 done
1841 AC_SUBST(CFG_SYSCONF)
1842 AC_SUBST(CFG_SBIN)
1843 AC_SUBST(CFG_STATE)
1844 AC_SUBST(CFG_MODULE)
1845 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1846
1847 dnl ---------------------------
1848 dnl Check htonl works correctly
1849 dnl ---------------------------
1850 AC_MSG_CHECKING(for working htonl)
1851 AC_CACHE_VAL(ac_cv_htonl_works,
1852  [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1853                 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1854  ]
1855 )
1856 AC_MSG_RESULT($ac_cv_htonl_works)
1857
1858 AC_CONFIG_FILES([Makefile lib/Makefile qpb/Makefile zebra/Makefile ripd/Makefile
1859           ripngd/Makefile bgpd/Makefile ospfd/Makefile watchfrr/Makefile
1860           ospf6d/Makefile ldpd/Makefile isisd/Makefile vtysh/Makefile
1861           doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
1862           babeld/Makefile
1863           pimd/Makefile
1864           eigrpd/Makefile
1865           nhrpd/Makefile
1866           redhat/Makefile
1867           tools/Makefile
1868           pkgsrc/Makefile
1869           fpm/Makefile
1870           redhat/frr.spec
1871           snapcraft/Makefile
1872           snapcraft/snapcraft.yaml
1873           lib/version.h
1874           tests/lib/cli/test_cli.refout
1875           doc/defines.texi
1876           doc/bgpd.8
1877           doc/isisd.8
1878           doc/ospf6d.8
1879           doc/ospfclient.8
1880           doc/ospfd.8
1881           doc/ldpd.8
1882           doc/ripd.8
1883           doc/eigrpd.8
1884           doc/ripngd.8
1885           doc/pimd.8
1886           doc/nhrpd.8
1887           doc/vtysh.1
1888           doc/watchfrr.8
1889           doc/zebra.8
1890           doc/frr.1
1891           pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1892           pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
1893           pkgsrc/eigrpd.sh])
1894
1895 if test "${enable_bgp_vnc}" != "no"; then
1896    if test "${with_rfp_path}" = "bgpd/rfp-example" ; then
1897      AC_CONFIG_FILES([bgpd/rfp-example/rfptest/Makefile bgpd/rfp-example/librfp/Makefile])
1898    else
1899      AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1900    fi
1901 fi
1902
1903 AC_CONFIG_FILES([solaris/Makefile])
1904
1905 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1906
1907 ## Hack, but working solution to avoid rebuilding of quagga.info.
1908 ## It's already in CVS until texinfo 4.7 is more common.
1909 AC_OUTPUT
1910
1911 echo "
1912 FRRouting configuration
1913 ------------------------------
1914 FRR version             : ${PACKAGE_VERSION}
1915 host operating system   : ${host_os}
1916 source code location    : ${srcdir}
1917 compiler                : ${CC}
1918 compiler flags          : ${CFLAGS}
1919 make                    : ${MAKE-make}
1920 linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
1921 state file directory    : ${frr_statedir}
1922 config file directory   : `eval echo \`echo ${sysconfdir}\``
1923 example directory       : `eval echo \`echo ${exampledir}\``
1924 module directory        : ${CFG_MODULE}
1925 user to run as          : ${enable_user}
1926 group to run as         : ${enable_group}
1927 group for vty sockets   : ${enable_vty_group}
1928 config file mask        : ${enable_configfile_mask}
1929 log file mask           : ${enable_logfile_mask}
1930 zebra protobuf enabled  : ${have_protobuf:-no}
1931
1932 The above user and group must have read/write access to the state file
1933 directory and to the config files in the config file directory."