2 ## Configure template file for FRRouting.
3 ## autoconf will generate a configure script.
5 ## Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
6 ## Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st>
10 AC_INIT([frr], [7.2-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])
16 CONFIG_ARGS="`echo $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`"
17 AC_SUBST([CONFIG_ARGS])
19 AC_CONFIG_SRCDIR([lib/zebra.h])
20 AC_CONFIG_MACRO_DIR([m4])
22 dnl -----------------------------------
23 dnl Get hostname and other information.
24 dnl -----------------------------------
28 AS_IF([test "$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.])
32 test -d hosttools || mkdir hosttools
33 abssrc="`cd \"${srcdir}\"; pwd`"
36 AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
37 AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
40 ( CPPFLAGS="$HOST_CPPFLAGS"; \
41 CFLAGS="$HOST_CFLAGS"; \
42 LDFLAGS="$HOST_LDFLAGS"; \
43 cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"; )
46 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
50 HOSTTOOLS="hosttools/"
56 AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
58 # Disable portability warnings -- our automake code (in particular
59 # common.am) uses some constructs specific to gmake.
60 AM_INIT_AUTOMAKE([1.12 -Wno-portability foreign])
61 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
62 AM_SILENT_RULES([yes])
63 AC_CONFIG_HEADERS([config.h])
65 AC_PATH_PROG([PERL], [perl])
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])
77 dnl default is to match previous behavior
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"])
87 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
90 moduledir="\${libdir}/frr/modules"
92 AC_SUBST([moduledir], [$moduledir])
95 AC_ARG_WITH([yangmodelsdir], [AS_HELP_STRING([--with-yangmodelsdir=DIR], [yang models directory (${datarootdir}/yang)])], [
96 yangmodelsdir="$withval"
98 yangmodelsdir="\${datarootdir}/yang"
100 AC_SUBST([yangmodelsdir])
102 AC_ARG_WITH([libyang_pluginsdir], [AS_HELP_STRING([--with-libyang-pluginsdir=DIR], [yangmodule plugins directory (${libdir}/frr/libyang_plugins)])], [
103 libyang_pluginsdir="$withval"
105 libyang_pluginsdir="\${libdir}/frr/libyang_plugins"
107 AC_SUBST([libyang_pluginsdir])
109 AC_ARG_ENABLE(tcmalloc,
110 AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
111 [case "${enableval}" in
112 yes) tcmalloc_enabled=true
113 LIBS="$LIBS -ltcmalloc_minimal"
115 no) tcmalloc_enabled=false ;;
116 *) AC_MSG_ERROR([bad value ${enableval} for --enable-tcmalloc]) ;;
117 esac],[tcmalloc_enabled=false])
120 dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
121 dnl flag determination logic.
124 dnl --------------------
125 dnl Check CC and friends
126 dnl --------------------
127 dnl note orig_cflags is also used further down
128 orig_cflags="$CFLAGS"
129 orig_cxxflags="$CXXFLAGS"
135 dnl remove autoconf default "-g -O2"
136 CFLAGS="$orig_cflags"
137 CXXFLAGS="$orig_cxxflags"
139 dnl NB: see C11 below
144 dnl autoconf 2.59 appears not to support AC_PROG_SED
146 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
148 dnl try and enable CFLAGS that are useful for FRR
149 dnl - specifically, options to control warnings
151 AC_USE_SYSTEM_EXTENSIONS
152 AC_DEFUN([AC_C_FLAG], [{
153 m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-+],[____])])
154 AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [
156 ac_c_flag_save="$CFLAGS"
159 [AC_LANG_PROGRAM([[]])],
165 CFLAGS="$ac_c_flag_save"
168 if test "${cachename}" = yes; then
169 m4_if([$3], [], [CFLAGS="$CFLAGS $1"], [$3])
174 m4_popdef([cachename])
177 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
179 ac_cflags_save="$CFLAGS"
187 CFLAGS="$ac_cflags_save"
192 CFLAGS="$ac_cflags_save"
199 dnl ICC won't bail on unknown options without -diag-error 10006
200 dnl need to do this first so we get useful results for the other options
201 AC_C_FLAG([-diag-error 10006])
203 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
205 CC="${CC% -std=gnu99}"
208 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
210 dnl if the user has specified any CFLAGS, override our settings
211 if test "x${enable_gcov}" = "xyes"; then
212 if test "z$orig_cflags" = "z"; then
213 AC_C_FLAG([-coverage])
217 LDFLAGS="${LDFLAGS} -lgcov"
218 elif test "x${enable_dev_build}" = "xyes"; then
219 AC_DEFINE([DEV_BUILD], [1], [Build for development])
220 if test "z$orig_cflags" = "z"; then
224 if test "x${enable_lua}" = "xyes"; then
225 AC_CHECK_LIB([lua], [lua_newstate],
226 [LIBS="$LIBS -llua"])
227 AC_DEFINE([HAVE_LUA], [1], [Lua enabled for development])
230 if test "x${enable_lua}" = "xyes"; then
231 AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
233 if test "z$orig_cflags" = "z"; then
240 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
242 dnl always want these CFLAGS
243 AC_C_FLAG([-fno-omit-frame-pointer])
244 AC_C_FLAG([-funwind-tables])
247 AC_C_FLAG([-Wmissing-prototypes])
248 AC_C_FLAG([-Wmissing-declarations])
249 AC_C_FLAG([-Wpointer-arith])
250 AC_C_FLAG([-Wbad-function-cast])
251 AC_C_FLAG([-Wwrite-strings])
252 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
253 AC_C_FLAG([-Wcast-qual])
254 AC_C_FLAG([-Wstrict-prototypes])
255 AC_C_FLAG([-Wmissing-noreturn])
256 AC_C_FLAG([-Wmissing-format-attribute])
257 AC_C_FLAG([-Wunreachable-code])
258 AC_C_FLAG([-Wpacked])
259 AC_C_FLAG([-Wpadded])
260 AC_C_FLAG([-Wshadow])
262 AC_C_FLAG([-Wno-unused-result])
264 AC_C_FLAG([-Wno-unused-parameter])
265 AC_C_FLAG([-Wno-missing-field-initializers])
267 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
268 AC_SUBST([CXX_COMPAT_CFLAGS])
270 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
271 dnl for some reason the string consts get 'promoted' to char *,
272 dnl triggering a const to non-const conversion warning.
273 AC_C_FLAG([-diag-disable 3179])
275 if test x"${enable_werror}" = x"yes" ; then
281 if test "$enable_address_sanitizer" = "yes"; then
282 AC_C_FLAG([-fsanitize=address], [
283 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
285 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
288 if test "$enable_thread_sanitizer" = "yes"; then
289 AC_C_FLAG([-fsanitize=thread], [
290 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
292 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
295 if test "$enable_memory_sanitizer" = "yes"; then
296 AC_C_FLAG([-fsanitize=thread -fPIE -pie], [
297 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
299 SAN_FLAGS="-fsanitize=memory -fPIE -pie"
302 AC_SUBST([SAN_FLAGS])
310 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
311 LIBS="$PTHREAD_LIBS $LIBS"
313 AC_MSG_FAILURE([This FRR version needs pthreads])
316 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
317 [frr_cv_pthread_condattr_setclock=yes],
318 [frr_cv_pthread_condattr_setclock=no])
319 if test "$frr_cv_pthread_condattr_setclock" = yes; then
320 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
329 AC_CHECK_TOOL([AR], [ar])
334 AC_ARG_ENABLE([static-bin],
335 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
338 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
339 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
341 if test "$enable_static_bin" = "yes"; then
343 if test "$enable_static" != "yes"; then
344 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
347 if test "$enable_shared" != "yes"; then
348 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
350 AC_SUBST([AC_LDFLAGS])
351 AM_CONDITIONAL([STATIC_BIN], [test "x$enable_static_bin" = "xyes"])
353 dnl $AR and $RANLIB are set by LT_INIT above
354 AC_MSG_CHECKING([whether $AR supports D option])
355 if $AR crD conftest.a >/dev/null 2>/dev/null; then
357 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
368 AC_MSG_CHECKING([whether $RANLIB supports D option])
369 if $RANLIB -D conftest.a >/dev/null 2>/dev/null; then
377 test -f conftest.a && rm conftest.a
379 dnl ----------------------
380 dnl Packages configuration
381 dnl ----------------------
382 if test -f config.version; then
384 elif test -f "${srcdir}/config.version"; then
385 . "${srcdir}/config.version"
387 AC_ARG_WITH([pkg-extra-version],
388 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
389 if test "$withval" = "no"; then
392 EXTRAVERSION=$withval
395 AC_ARG_WITH([pkg-git-version],
396 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
397 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
398 AC_ARG_WITH([vtysh_pager],
399 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
400 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
401 AC_ARG_ENABLE([vtysh],
402 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
404 AS_HELP_STRING([--disable-doc], [do not build docs]))
405 AC_ARG_ENABLE([doc-html],
406 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
407 AC_ARG_ENABLE([zebra],
408 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
409 AC_ARG_ENABLE([bgpd],
410 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
411 AC_ARG_ENABLE([ripd],
412 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
413 AC_ARG_ENABLE([ripngd],
414 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
415 AC_ARG_ENABLE([ospfd],
416 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
417 AC_ARG_ENABLE([ospf6d],
418 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
419 AC_ARG_ENABLE([ldpd],
420 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
421 AC_ARG_ENABLE([nhrpd],
422 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
423 AC_ARG_ENABLE([eigrpd],
424 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
425 AC_ARG_ENABLE([babeld],
426 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
427 AC_ARG_ENABLE([watchfrr],
428 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
429 AC_ARG_ENABLE([isisd],
430 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
431 AC_ARG_ENABLE([pimd],
432 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
433 AC_ARG_ENABLE([pbrd],
434 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
435 AC_ARG_ENABLE([sharpd],
436 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
437 AC_ARG_ENABLE([staticd],
438 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
439 AC_ARG_ENABLE([fabricd],
440 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
441 AC_ARG_ENABLE([bgp-announce],
442 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
443 AC_ARG_ENABLE([bgp-vnc],
444 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
445 AC_ARG_ENABLE([snmp],
446 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
447 AC_ARG_ENABLE([config_rollbacks],
448 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
449 AC_ARG_ENABLE([confd],
450 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
451 AC_ARG_ENABLE([sysrepo],
452 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
453 AC_ARG_ENABLE([grpc],
454 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
455 AC_ARG_ENABLE([zeromq],
456 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
457 AC_ARG_WITH([libpam],
458 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
459 AC_ARG_ENABLE([ospfapi],
460 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
461 AC_ARG_ENABLE([ospfclient],
462 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
463 (this is the default if --disable-ospfapi is set)]))
464 AC_ARG_ENABLE([multipath],
465 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
466 AC_ARG_ENABLE([user],
467 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
468 AC_ARG_ENABLE([group],
469 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
470 AC_ARG_ENABLE([vty_group],
471 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
472 AC_ARG_ENABLE([configfile_mask],
473 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
474 AC_ARG_ENABLE([logfile_mask],
475 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
476 AC_ARG_ENABLE([shell_access],
477 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
478 AC_ARG_ENABLE([realms],
479 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
480 AC_ARG_ENABLE([rtadv],
481 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
482 AC_ARG_ENABLE([irdp],
483 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
484 AC_ARG_ENABLE([capabilities],
485 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
486 AC_ARG_ENABLE([rusage],
487 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
488 AC_ARG_ENABLE([gcc_ultra_verbose],
489 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
490 AC_ARG_ENABLE([backtrace],
491 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
492 AC_ARG_ENABLE([time-check],
493 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
494 AC_ARG_ENABLE([pcreposix],
495 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
497 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
498 AC_ARG_ENABLE([systemd],
499 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
500 AC_ARG_ENABLE([werror],
501 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
502 AC_ARG_ENABLE([cumulus],
503 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
504 AC_ARG_ENABLE([datacenter],
505 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
506 AC_ARG_ENABLE([fuzzing],
507 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
508 AC_ARG_ENABLE([netlink_fuzzing],
509 AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
510 AC_ARG_ENABLE([rr-semantics],
511 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
512 AC_ARG_ENABLE([protobuf],
513 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
514 AC_ARG_ENABLE([oldvpn_commands],
515 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
516 AC_ARG_ENABLE([rpki],
517 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
518 AC_ARG_ENABLE([clippy-only],
519 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
520 AC_ARG_ENABLE([numeric_version],
521 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
522 AC_ARG_ENABLE([gcov],
523 AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
524 AC_ARG_ENABLE([bfdd],
525 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
526 AC_ARG_ENABLE([address-sanitizer],
527 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
528 AC_ARG_ENABLE([thread-sanitizer],
529 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
530 AC_ARG_ENABLE([memory-sanitizer],
531 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
533 AS_IF([test "${enable_clippy_only}" != "yes"], [
534 AC_CHECK_HEADERS([json-c/json.h])
535 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
536 if test "$ac_cv_lib_json_c_json_object_get" = no; then
537 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
538 if test "$ac_cv_lib_json_json_object_get" = no; then
539 AC_MSG_ERROR([libjson is needed to compile])
544 AC_ARG_ENABLE([dev_build],
545 AS_HELP_STRING([--enable-dev-build], [build for development]))
548 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
550 if test x"${enable_time_check}" != x"no" ; then
551 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
552 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
554 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
558 case "${enable_systemd}" in
561 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
562 if test $ac_cv_lib_systemd_sd_notify = no; then
563 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
565 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
571 if test "${enable_rr_semantics}" != "no" ; then
572 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
575 if test "${enable_datacenter}" = "yes" ; then
576 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
577 DFLT_NAME="datacenter"
579 DFLT_NAME="traditional"
582 if test "${enable_fuzzing}" = "yes" ; then
583 AC_DEFINE([HANDLE_ZAPI_FUZZING], [1], [Compile extensions to use with a fuzzer])
586 if test "${enable_netlink_fuzzing}" = "yes" ; then
587 AC_DEFINE([HANDLE_NETLINK_FUZZING], [1], [Compile extensions to use with a fuzzer for netlink])
590 if test "${enable_cumulus}" = "yes" ; then
591 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
594 AC_SUBST([DFLT_NAME])
595 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
597 if test "${enable_shell_access}" = "yes"; then
598 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
601 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
607 AC_DEFUN([FRR_PYTHON_CHECK_WORKING], [
608 AC_MSG_CHECKING([whether we found a working Python version])
609 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
611 #if PY_VERSION_HEX < 0x02070000
612 #error python too old
622 # some python installs are missing the zlib dependency...
623 PYTHON_LIBS="${PYTHON_LIBS} -lz"
624 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
626 #if PY_VERSION_HEX < 0x02070000
627 #error python too old
646 AS_IF([test "$host" = "$build"], [
650 # 1. try python3, but respect the user's preference on which minor ver
651 # 2. try python, which might be py3 or py2 again on the user's preference
652 # 3. try python2 (can really only be 2.7 but eh)
653 # 4. try 3.6 > 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
655 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
656 # (AX_PYTHON does not do what we need)
658 AC_CHECK_TOOLS([PYTHONCONFIG], [ \
668 if test -n "$PYTHONCONFIG"; then
669 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
670 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --ldflags`"
672 FRR_PYTHON_CHECK_WORKING([])
675 if test -z "$PYTHONCONFIG"; then
676 PKG_CHECK_MODULES([PYTHON], [python-3.6], [], [
677 PKG_CHECK_MODULES([PYTHON], [python-3.5], [], [
678 PKG_CHECK_MODULES([PYTHON], [python-3.4], [], [
679 PKG_CHECK_MODULES([PYTHON], [python-3.3], [], [
680 PKG_CHECK_MODULES([PYTHON], [python-3.2], [], [
681 PKG_CHECK_MODULES([PYTHON], [python-2.7], [], [
682 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
686 FRR_PYTHON_CHECK_WORKING([
687 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
691 AC_SUBST([PYTHON_CFLAGS])
692 AC_SUBST([PYTHON_LIBS])
695 # Logic for protobuf support.
697 if test "$enable_protobuf" = "yes"; then
698 # Check for protoc & protoc-c
700 # protoc is not required, it's only for a "be nice" helper target
701 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
703 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
704 if test "$PROTOC_C" = "/bin/false"; then
705 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
708 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
709 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
711 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [], [
712 AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])
715 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
717 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$enable_protobuf" = "xyes"])
720 # Logic for old vpn commands support.
722 if test "$enable_oldvpn_commands" = "yes"; then
723 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
727 # End of logic for protobuf support.
730 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
731 if test "${enable_rtadv}" != "no"; then
733 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
738 if test x"${enable_user}" = x"no"; then
741 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
744 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
747 if test x"${enable_group}" = x"no"; then
750 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
753 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
756 if test x"${enable_vty_group}" = x"yes" ; then
757 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
758 elif test x"${enable_vty_group}" != x""; then
759 if test x"${enable_vty_group}" != x"no"; then
760 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
763 AC_SUBST([enable_user])
764 AC_SUBST([enable_group])
765 AC_SUBST([enable_vty_group])
767 enable_configfile_mask=${enable_configfile_mask:-0600}
768 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
770 enable_logfile_mask=${enable_logfile_mask:-0600}
771 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
775 case "${enable_multipath}" in
779 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
780 MPATH_NUM="${enable_multipath}"
785 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
789 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
791 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
793 dnl --------------------
794 dnl Enable code coverage
795 dnl --------------------
796 AM_CONDITIONAL([HAVE_GCOV], [test '!' "$enable_gcov" = no])
798 dnl ------------------------------------
799 dnl Alpine only accepts numeric versions
800 dnl ------------------------------------
801 if test "x${enable_numeric_version}" != "x" ; then
802 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
803 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
806 dnl -----------------------------------
807 dnl Add extra version string to package
808 dnl name, string and version fields.
809 dnl -----------------------------------
810 if test "x${EXTRAVERSION}" != "x" ; then
811 VERSION="${VERSION}${EXTRAVERSION}"
812 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
813 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
814 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
816 AC_SUBST([EXTRAVERSION])
818 if test "x$with_pkg_git_version" = "xyes"; then
819 if test -d "${srcdir}/.git"; then
820 AC_DEFINE([GIT_VERSION], [1], [include git version info])
821 else with_pkg_git_version="no"
822 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
825 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
827 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
828 if test "x${OBJCOPY}" != "x:"; then
829 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
831 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
832 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
833 frr_cv_interp="`xargs -0 echo < conftest.interp`"
835 test -f conftest.interp && rm conftest.interp
839 if test -n "$frr_cv_interp"; then
840 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
843 dnl ------------------------------------
844 dnl Check C keywords and standard types
845 dnl ------------------------------------
856 dnl -------------------------
857 dnl Check other header files.
858 dnl -------------------------
859 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
860 linux/version.h asm/types.h \
863 ac_stdatomic_ok=false
864 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
865 AC_CHECK_HEADER([stdatomic.h],[
867 AC_MSG_CHECKING([whether _Atomic qualifier works])
868 AC_LINK_IFELSE([AC_LANG_SOURCE([[
869 #include <stdatomic.h>
870 int main(int argc, char **argv) {
875 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
883 AS_IF([$ac_stdatomic_ok], [true], [
884 AC_MSG_CHECKING([for __atomic_* builtins])
885 AC_LINK_IFELSE([AC_LANG_SOURCE([[
886 int main(int argc, char **argv) {
888 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
889 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
892 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
897 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
898 AC_MSG_CHECKING([for __sync_* builtins])
899 AC_LINK_IFELSE([AC_LANG_SOURCE([[
900 int main(int argc, char **argv) {
902 __sync_fetch_and_sub (&i, 1);
903 return __sync_val_compare_and_swap (&i, 0, 1);
906 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
909 AC_MSG_CHECKING([for __sync_swap builtin])
910 AC_LINK_IFELSE([AC_LANG_SOURCE([[
911 int main(int argc, char **argv) {
913 return __sync_swap (&i, 2);
916 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
924 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
929 AC_CHECK_HEADERS([pthread_np.h],,, [
932 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
938 AC_MSG_CHECKING([for Linux futex() support])
939 AC_LINK_IFELSE([AC_LANG_PROGRAM([
945 #include <sys/time.h>
946 #include <sys/syscall.h>
947 #include <linux/futex.h>
953 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
957 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
966 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
967 AC_LINK_IFELSE([AC_LANG_PROGRAM([
970 #include <sys/types.h>
971 #include <sys/umtx.h>
976 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
980 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
988 dnl OpenBSD patch (not upstream at the time of writing this)
989 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
990 AC_MSG_CHECKING([for OpenBSD futex() support])
991 AC_LINK_IFELSE([AC_LANG_PROGRAM([
992 #include <sys/futex.h>
997 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1000 AC_MSG_RESULT([yes])
1001 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
1008 dnl Utility macro to avoid retyping includes all the time
1009 m4_define([FRR_INCLUDES],
1011 #define _POSIX_C_SOURCE 200809L
1012 #define __EXTENSIONS__
1017 #include <sys/types.h>
1018 /* sys/conf.h depends on param.h on FBSD at least */
1019 #include <sys/param.h>
1020 /* Required for MAXSIG */
1022 #include <sys/socket.h>
1024 # define __APPLE_USE_RFC_3542
1026 #include <netinet/in.h>
1027 #include <sys/time.h>
1032 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1033 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1034 dnl an additional round for it.
1036 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1038 m4_define([FRR_INCLUDES],
1040 [#if HAVE_NET_IF_VAR_H
1041 # include <net/if_var.h>
1045 AC_CHECK_HEADERS([netinet/in_var.h \
1046 net/if_dl.h net/netopt.h \
1047 inet/nd.h netinet/ip_icmp.h \
1048 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
1049 [], [], [FRR_INCLUDES])
1051 AC_CHECK_HEADERS([ucontext.h], [], [],
1054 #endif /* __USE_GNU */
1058 m4_define([UCONTEXT_INCLUDES],
1059 [#include <ucontext.h>])dnl
1061 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1062 [], [], [UCONTEXT_INCLUDES])
1063 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1064 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1065 [], [], [UCONTEXT_INCLUDES])],
1066 [], [UCONTEXT_INCLUDES])
1067 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1068 [], [], [UCONTEXT_INCLUDES])
1070 m4_define([FRR_INCLUDES],
1074 #include <netinet/in_systm.h>
1075 #if HAVE_NETINET_IN_VAR_H
1076 # include <netinet/in_var.h>
1078 #if HAVE_NET_IF_DL_H
1079 # include <net/if_dl.h>
1081 #if HAVE_NET_NETOPT_H
1082 # include <net/netopt.h>
1084 #include <net/route.h>
1086 # include <inet/nd.h>
1088 #include <arpa/inet.h>
1089 /* Required for IDRP */
1090 #if HAVE_NETINET_IP_ICMP_H
1091 # include <netinet/ip_icmp.h>
1095 dnl V6 headers are checked below, after we check for v6
1097 AC_MSG_CHECKING([which operating system interface to use])
1100 AC_MSG_RESULT([Solaris])
1102 AC_DEFINE([SUNOS_5], [1], [SunOS 5])
1103 AC_DEFINE([SOLARIS_IPV6], [1], Solaris IPv6)
1104 AC_DEFINE([_POSIX_C_SOURCE], [200809L], [enable POSIX.1-2008 and XPG7/SUSv4])
1106 AC_CHECK_LIB([socket], [main])
1107 AC_CHECK_LIB([nsl], [main])
1108 AC_CHECK_LIB([umem], [main])
1112 AC_MSG_RESULT([Linux])
1114 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1115 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1116 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1118 dnl Linux has a compilation problem with mixing
1119 dnl netinet/in.h and linux/in6.h they are not
1120 dnl compatible. There has been discussion on
1121 dnl how to fix it but no real progress on implementation
1122 dnl when they fix it, remove this
1123 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1126 AC_MSG_RESULT([OpenBSD])
1128 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1129 AC_DEFINE([KAME], [1], [KAME IPv6])
1130 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1132 if test "x${enable_pimd}" != "xno"; then
1137 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
1143 AC_MSG_RESULT([BSD])
1145 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1146 AC_DEFINE([KAME], [1], [KAME IPv6])
1147 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1150 AM_CONDITIONAL([SOLARIS], [test "${SOLARIS}" = "solaris"])
1154 dnl ------------------------
1155 dnl Integrated REALMS option
1156 dnl ------------------------
1157 if test "${enable_realms}" = "yes"; then
1160 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1163 echo "Sorry, only Linux has REALMS support"
1168 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
1170 dnl ---------------------
1171 dnl Integrated VTY option
1172 dnl ---------------------
1173 case "${enable_vtysh}" in
1178 AC_DEFINE([VTYSH], [1], [VTY shell])
1181 AC_CHECK_LIB([readline], [main], [
1182 LIBREADLINE="-lreadline"
1184 dnl readline failed - it might be incorrectly linked and missing its
1185 dnl termcap/tinfo/curses dependency. see if we can fix that...
1186 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1187 LIBREADLINE="$ac_cv_search_tputs"
1189 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1192 dnl re-try with the lib we found above
1193 unset ac_cv_lib_readline_main
1194 AC_CHECK_LIB([readline], [main], [
1195 LIBREADLINE="-lreadline $LIBREADLINE"
1197 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1202 AC_CHECK_HEADER([readline/history.h])
1203 if test $ac_cv_header_readline_history_h = no;then
1204 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1206 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1207 if test $ac_cv_lib_readline_rl_completion_matches = no; then
1208 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1210 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1211 if test "$frr_cv_append_history" = yes; then
1212 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1216 AC_SUBST([LIBREADLINE])
1217 AM_CONDITIONAL([VTYSH], test "x$VTYSH" = "xvtysh")
1222 dnl FRR detects the PAM library it is built against by checking for a
1223 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1224 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1225 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1226 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1229 if test "$with_libpam" = "yes"; then
1230 AC_CHECK_HEADER([security/pam_misc.h],
1231 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1232 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1233 pam_conv_func="misc_conv"
1236 AC_CHECK_HEADER([security/openpam.h],
1237 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1238 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1239 pam_conv_func="openpam_ttyconv"
1241 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1242 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1243 AC_MSG_WARN([*** pam support will not be built ***])
1248 if test "$with_libpam" = "yes"; then
1249 dnl took this test from proftpds configure.in and suited to our needs
1250 dnl -------------------------------------------------------------------------
1252 dnl This next check looks funky due to a linker problem with some versions
1253 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1254 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1255 dnl with RedHat 6.2 and Debian 2.2 or better.
1256 AC_CHECK_LIB([pam], [pam_start],
1257 [AC_CHECK_LIB([pam], [$pam_conv_func],
1258 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1260 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1261 LIBPAM="-lpam -lpam_misc"]
1265 [AC_CHECK_LIB([pam], [pam_end],
1266 [AC_CHECK_LIB([pam], [$pam_conv_func],
1267 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1268 LIBPAM="-lpam -ldl"],
1269 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1270 LIBPAM="-lpam -ldl -lpam_misc"]
1272 ],AC_MSG_WARN([*** pam support will not be built ***]),
1279 dnl -------------------------------
1280 dnl Endian-ness check
1281 dnl -------------------------------
1284 dnl -------------------------------
1285 dnl check the size in byte of the C
1286 dnl -------------------------------
1287 dnl AC_CHECK_SIZEOF(char)
1288 dnl AC_CHECK_SIZEOF(int)
1289 dnl AC_CHECK_SIZEOF(short)
1290 dnl AC_CHECK_SIZEOF(long)
1292 dnl ----------------------------
1293 dnl check existance of functions
1294 dnl ----------------------------
1300 dnl -------------------------------
1301 dnl bgpd needs pow() and hence libm
1302 dnl -------------------------------
1304 AC_CHECK_HEADER([math.h],
1305 [AC_CHECK_LIB([m], [pow],
1308 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1311 if test x"$LIBM" = x ; then
1312 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1318 AC_CHECK_FUNCS([ppoll], [
1319 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1321 AC_CHECK_FUNCS([pollts], [
1322 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1332 AC_CHECK_HEADER([asm-generic/unistd.h],
1333 [AC_CHECK_DECL(__NR_setns,
1334 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1335 FRR_INCLUDES [#include <asm-generic/unistd.h>
1337 AC_CHECK_FUNCS([setns])]
1340 dnl --------------------------
1341 dnl Determine IS-IS I/O method
1342 dnl --------------------------
1343 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1344 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1345 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1346 AC_CHECK_HEADER([net/bpf.h])
1347 AC_CHECK_HEADER([sys/dlpi.h])
1348 AC_MSG_CHECKING([zebra IS-IS I/O method])
1352 AC_MSG_RESULT([pfpacket])
1353 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1356 AC_MSG_RESULT([DLPI])
1357 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1360 if test $ac_cv_header_net_bpf_h = no; then
1361 if test $ac_cv_header_sys_dlpi_h = no; then
1362 AC_MSG_RESULT([none])
1363 if test "${enable_isisd}" = yes -o "${enable_fabricd}" = yes; then
1364 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1366 AC_MSG_WARN([*** IS-IS support will not be built ***])
1370 AC_MSG_RESULT([DLPI])
1372 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1374 AC_MSG_RESULT([BPF])
1375 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1379 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1381 dnl ---------------------------------------------------------------
1382 dnl figure out how to specify an interface in multicast sockets API
1383 dnl ---------------------------------------------------------------
1384 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1386 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1387 #include <sys/socket.h>
1388 #include <netinet/in.h>
1389 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1390 #include <linux/types.h>
1393 m4_define([FRR_INCLUDES],
1395 [#if HAVE_LINUX_MROUTE_H
1396 # include <linux/mroute.h>
1400 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1401 #include <sys/socket.h>
1402 #include <sys/types.h>
1403 #include <netinet/in.h>
1404 #include <net/route.h>
1407 m4_define([FRR_INCLUDES],
1409 [#if HAVE_NETINET_IP_MROUTE_H
1410 # include <netinet/ip_mroute.h>
1414 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1415 AC_TRY_COMPILE([#include <sys/param.h>],
1416 [#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)
1419 #error No support for BSD struct ip_mreq hack detected
1420 #endif],[AC_MSG_RESULT([yes])
1421 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1422 AC_MSG_RESULT([no]))
1424 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1426 #include <sys/types.h>
1427 #include <netinet/in.h>
1428 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1429 ], [AC_MSG_RESULT([yes])
1430 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1431 AC_MSG_RESULT([no]))
1433 dnl ---------------------------------------------------------------
1434 dnl figure out how to check link-state
1435 dnl ---------------------------------------------------------------
1436 AC_CHECK_HEADER([net/if_media.h],
1437 [m4_define([LINK_DETECT_INCLUDES],
1439 [#include <net/if_media.h>
1441 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1442 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1443 [], LINK_DETECT_INCLUDES)],
1447 dnl ---------------------------------------------------------------
1448 dnl Additional, newer way to check link-state using ifi_link_state.
1449 dnl Not available in all BSD's when ifmediareq available
1450 dnl ---------------------------------------------------------------
1451 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1452 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1455 dnl ------------------------
1456 dnl TCP_MD5SIG socket option
1457 dnl ------------------------
1459 AC_CHECK_HEADER([netinet/tcp.h],
1460 [m4_define([MD5_INCLUDES],
1462 [#include <netinet/tcp.h>
1464 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1467 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1468 AC_CHECK_HEADER([linux/tcp.h],
1469 [m4_define([MD5_INCLUDES],
1471 [#include <linux/tcp.h>
1473 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1476 dnl ----------------------------------------------------------------------------
1477 dnl figure out if domainname is available in the utsname struct (GNU extension).
1478 dnl ----------------------------------------------------------------------------
1479 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1481 dnl ------------------
1482 dnl IPv6 header checks
1483 dnl ------------------
1484 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1485 netinet6/in6_var.h netinet6/nd6.h], [], [],
1488 m4_define([FRR_INCLUDES],dnl
1490 [#if HAVE_NETINET6_IN6_H
1491 #include <netinet6/in6.h>
1493 #if HAVE_NETINET_IN6_VAR_H
1494 #include <netinet/in6_var.h>
1496 #include <netinet/icmp6.h>
1497 #if HAVE_NETINET6_IN6_VAR_H
1498 # include <netinet6/in6_var.h>
1500 #if HAVE_NETINET6_ND6_H
1501 # include <netinet6/nd6.h>
1505 dnl disable doc check
1506 AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [/bin/false])
1507 if test "$SPHINXBUILD" = "/bin/false"; then
1508 if test "${enable_doc}" = "yes"; then
1509 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx-build is not available. Please disable docs or install sphinx.])
1512 AM_CONDITIONAL([DOC], [test "${enable_doc}" != "no" -a "$SPHINXBUILD" != "/bin/false"])
1513 AM_CONDITIONAL([DOC_HTML], [test "${enable_doc_html}" = "yes"])
1515 dnl --------------------
1516 dnl Daemon disable check
1517 dnl --------------------
1518 AM_CONDITIONAL([ZEBRA], [test "${enable_zebra}" != "no"])
1520 if test "${enable_bgpd}" = "no";then
1525 AM_CONDITIONAL([BGPD], [test "x$BGPD" = "xbgpd"])
1527 AM_CONDITIONAL([RIPD], [test "${enable_ripd}" != "no"])
1528 AM_CONDITIONAL([OSPFD], [test "${enable_ospfd}" != "no"])
1529 AM_CONDITIONAL([LDPD], [test "${enable_ldpd}" != "no"])
1531 AS_IF([test "${enable_ldpd}" != "no"], [
1532 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1535 if test "$enable_bfdd" = "no"; then
1536 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1539 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1544 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1548 AC_DEFINE([BFD_BSD], [1], [bfdd])
1553 AM_CONDITIONAL([BFDD], [test "x$BFDD" = "xbfdd"])
1555 if test "$ac_cv_lib_json_c_json_object_get" = no -a "x$BFDD" = "xbfdd"; then
1556 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1562 if test "${enable_nhrpd}" != "no"; then
1567 if test "${enable_nhrpd}" = "yes"; then
1568 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1572 AM_CONDITIONAL([NHRPD], [test "x$NHRPD" = "xnhrpd"])
1574 AM_CONDITIONAL([EIGRPD], [test "${enable_eigrpd}" != "no"])
1576 if test "${enable_watchfrr}" = "no";then
1581 AM_CONDITIONAL([WATCHFRR], [test "x$WATCHFRR" = "xwatchfrr"])
1584 if test "${enable_ospfapi}" != "no";then
1585 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1587 if test "${enable_ospfclient}" != "no";then
1588 OSPFCLIENT="ospfclient"
1592 AM_CONDITIONAL([OSPFCLIENT], [test "x$OSPFCLIENT" = "xospfclient"])
1593 AM_CONDITIONAL([RIPNGD], [test "${enable_ripngd}" != "no"])
1594 AM_CONDITIONAL([BABELD], [test "${enable_babeld}" != "no"])
1595 AM_CONDITIONAL([OSPF6D], [test "${enable_ospf6d}" != "no"])
1596 AM_CONDITIONAL([ISISD], [test "${enable_isisd}" != "no"])
1597 AM_CONDITIONAL([PIMD], [test "${enable_pimd}" != "no"])
1598 AM_CONDITIONAL([PBRD], [test "${enable_pbrd}" != "no"])
1599 AM_CONDITIONAL([SHARPD], [test "${enable_sharpd}" = "yes"])
1600 AM_CONDITIONAL([STATICD], [test "${enable_staticd}" != "no"])
1601 AM_CONDITIONAL([FABRICD], [test "${enable_fabricd}" != "no"])
1603 if test "${enable_bgp_announce}" = "no";then
1604 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1606 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1609 if test "${enable_bgp_vnc}" != "no";then
1610 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1612 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1615 AC_CHECK_LIB([crypt], [crypt], [],
1616 [AC_CHECK_LIB([crypto], [DES_crypt])])
1617 AC_CHECK_LIB([resolv], [res_init])
1619 dnl ---------------------------
1620 dnl check system has PCRE regexp
1621 dnl ---------------------------
1622 if test "x$enable_pcreposix" = "xyes"; then
1623 AC_CHECK_LIB([pcreposix], [regexec], [], [
1624 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1627 AC_SUBST([HAVE_LIBPCREPOSIX])
1629 dnl ------------------
1630 dnl check C-Ares library
1631 dnl ------------------
1632 if test "${NHRPD}" != ""; then
1633 PKG_CHECK_MODULES([CARES], [libcares], ,[
1634 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1639 dnl ------------------
1640 dnl check Net-SNMP library
1641 dnl ------------------
1642 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1643 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1644 if test x"$NETSNMP_CONFIG" = x"no"; then
1645 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1647 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1648 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1649 # net-snmp lists all of its own dependencies. we absolutely do not want that
1650 # among other things we avoid a GPL vs. OpenSSL license conflict here
1651 for removelib in crypto ssl sensors pci wrap; do
1652 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1654 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1655 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1663 AC_MSG_ERROR([--enable-snmp given but not usable])])
1664 case "${enable_snmp}" in
1669 SNMP_METHOD="${enable_snmp}"
1672 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1675 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1676 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1678 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1679 AC_SUBST([SNMP_LIBS])
1680 AC_SUBST([SNMP_CFLAGS])
1685 PKG_CHECK_MODULES([LIBYANG], [libyang >= 0.16.7], , [
1686 AC_MSG_ERROR([libyang (>= 0.16.7) was not found on your system.])
1688 ac_cflags_save="$CFLAGS"
1689 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1690 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1691 AC_MSG_ERROR([m4_normalize([
1692 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1693 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1695 ], [[#include <libyang/libyang.h>]])
1696 CFLAGS="$ac_cflags_save"
1699 dnl configuration rollbacks
1702 if test "$enable_config_rollbacks" = "yes"; then
1703 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1704 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1705 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1708 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1711 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
1716 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1717 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1718 if test "x$CONFD" = "x/bin/false"; then
1719 AC_MSG_ERROR([confd was not found on your system.])]
1721 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1722 AC_SUBST([CONFD_CFLAGS])
1723 CONFD_LIBS="-lconfd"
1724 AC_SUBST([CONFD_LIBS])
1725 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1727 AM_CONDITIONAL([CONFD], [test "x$enable_confd" != "x"])
1732 if test "$enable_sysrepo" = "yes"; then
1733 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1734 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1737 AC_MSG_ERROR([sysrepo was not found on your system.])]
1740 AM_CONDITIONAL([SYSREPO], [test "x$enable_sysrepo" = "xyes"])
1745 if test "$enable_grpc" = "yes"; then
1746 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1747 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1748 if test "$PROTOC" = "/bin/false"; then
1749 AC_MSG_FAILURE([grpc requested but protoc not found.])
1752 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1756 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1759 AM_CONDITIONAL([GRPC], [test "x$enable_grpc" = "xyes"])
1764 AC_SEARCH_LIBS([sqrt], [m])
1769 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1770 AC_MSG_ERROR([unable to find the dlopen()])
1773 AC_CHECK_HEADERS([link.h])
1775 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1776 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1784 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1786 frr_cv_rtld_di_origin=yes
1788 frr_cv_rtld_di_origin=no
1791 if test "$frr_cv_rtld_di_origin" = yes; then
1792 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1795 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1796 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1803 struct link_map *lm = NULL;
1804 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1806 frr_cv_rtld_di_linkmap=yes
1808 frr_cv_rtld_di_linkmap=no
1811 if test "$frr_cv_rtld_di_linkmap" = yes; then
1812 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1815 AM_CONDITIONAL([SNMP], [test "x$SNMP_METHOD" = "xagentx"])
1817 dnl ---------------------------
1818 dnl sockaddr and netinet checks
1819 dnl ---------------------------
1822 struct vifctl, struct mfcctl, struct sioc_sg_req,
1823 vifi_t, struct sioc_vif_req, struct igmpmsg,
1824 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1825 struct nd_opt_adv_interval, struct rt_addrinfo,
1826 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1827 struct nd_opt_rdnss, struct nd_opt_dnssl],
1828 [], [], FRR_INCLUDES)
1830 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1831 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1832 struct sockaddr_dl.sdl_len,
1833 struct if6_aliasreq.ifra_lifetime,
1834 struct nd_opt_adv_interval.nd_opt_ai_type],
1835 [], [], FRR_INCLUDES)
1837 dnl ---------------------------
1838 dnl IRDP/pktinfo/icmphdr checks
1839 dnl ---------------------------
1841 AC_CHECK_TYPES([struct in_pktinfo], [
1842 AC_CHECK_TYPES([struct icmphdr], [
1851 case "${enable_irdp}" in
1853 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1860 AM_CONDITIONAL([IRDP], [$IRDP])
1862 dnl -----------------------
1863 dnl checking for IP_PKTINFO
1864 dnl -----------------------
1865 AC_MSG_CHECKING([for IP_PKTINFO])
1866 AC_TRY_COMPILE([#include <netdb.h>], [
1867 int opt = IP_PKTINFO;
1869 AC_MSG_RESULT([yes])
1870 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
1875 dnl ---------------------------
1876 dnl checking for IP_RECVDSTADDR
1877 dnl ---------------------------
1878 AC_MSG_CHECKING([for IP_RECVDSTADDR])
1879 AC_TRY_COMPILE([#include <netinet/in.h>], [
1880 int opt = IP_RECVDSTADDR;
1882 AC_MSG_RESULT([yes])
1883 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
1888 dnl ----------------------
1889 dnl checking for IP_RECVIF
1890 dnl ----------------------
1891 AC_MSG_CHECKING([for IP_RECVIF])
1892 AC_TRY_COMPILE([#include <netinet/in.h>], [
1893 int opt = IP_RECVIF;
1895 AC_MSG_RESULT([yes])
1896 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
1901 dnl ----------------------
1902 dnl checking for SO_BINDANY
1903 dnl ----------------------
1904 AC_MSG_CHECKING([for SO_BINDANY])
1905 AC_TRY_COMPILE([#include <sys/socket.h>], [
1906 int opt = SO_BINDANY;
1908 AC_MSG_RESULT([yes])
1909 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
1914 dnl ----------------------
1915 dnl checking for IP_FREEBIND
1916 dnl ----------------------
1917 AC_MSG_CHECKING([for IP_FREEBIND])
1918 AC_TRY_COMPILE([#include <netinet/in.h>], [
1919 int opt = IP_FREEBIND;
1921 AC_MSG_RESULT([yes])
1922 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
1927 dnl --------------------------------------
1928 dnl checking for be32dec existence or not
1929 dnl --------------------------------------
1930 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1931 [#include <sys/endian.h>])
1933 dnl --------------------------------------
1934 dnl checking for clock_time monotonic struct and call
1935 dnl --------------------------------------
1936 AC_CHECK_DECL([CLOCK_MONOTONIC],
1937 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
1938 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
1939 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
1941 dnl --------------------------------------
1942 dnl checking for flex and bison
1943 dnl --------------------------------------
1946 AC_MSG_CHECKING([version of flex])
1947 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1948 frr_ac_flex_version="${frr_ac_flex_version##* }"
1949 AC_MSG_RESULT([$frr_ac_flex_version])
1950 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1951 LEX="$SHELL $missing_dir/missing flex"
1952 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1953 AC_MSG_WARN([using pregenerated flex output files])
1955 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1957 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1958 AC_SUBST([LEXLIB], [''])
1962 dnl thanks GNU bison for this b*llshit...
1963 AC_MSG_CHECKING([version of bison])
1964 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1965 frr_ac_bison_version="${frr_ac_bison_version##* }"
1966 frr_ac_bison_missing="false"
1967 case "x${frr_ac_bison_version}" in
1970 BISON_CLOSEBRACE='"'
1972 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1975 AC_MSG_RESULT([$frr_ac_bison_version])
1976 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1977 frr_ac_bison_missing="true"
1980 AC_MSG_RESULT([none])
1981 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1982 frr_ac_bison_missing="true"
1986 BISON_CLOSEBRACE='}'
1987 BISON_VERBOSE='-Dparse.error=verbose'
1988 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1991 AC_SUBST([BISON_OPENBRACE])
1992 AC_SUBST([BISON_CLOSEBRACE])
1993 AC_SUBST([BISON_VERBOSE])
1995 if $frr_ac_bison_missing; then
1996 YACC="$SHELL $missing_dir/missing bison -y"
1997 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1998 AC_MSG_WARN([using pregenerated bison output files])
2000 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2004 dnl -------------------
2005 dnl capabilities checks
2006 dnl -------------------
2007 if test "${enable_capabilities}" != "no"; then
2008 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2009 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2010 [AC_MSG_RESULT([yes])
2011 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2012 frr_ac_keepcaps="yes"],
2015 if test x"${frr_ac_keepcaps}" = x"yes"; then
2016 AC_CHECK_HEADERS([sys/capability.h])
2018 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
2019 AC_CHECK_LIB([cap], [cap_init],
2020 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2025 AC_CHECK_HEADERS([priv.h],
2026 [AC_MSG_CHECKING([Solaris style privileges are available])
2027 AC_TRY_COMPILE([#include <priv.h>], [getpflags(PRIV_AWARE);],
2028 [AC_MSG_RESULT([yes])
2029 AC_DEFINE([HAVE_SOLARIS_CAPABILITIES], [1], [getpflags])
2030 frr_ac_scaps="yes"],
2036 if test x"${frr_ac_scaps}" = x"yes" \
2037 -o x"${frr_ac_lcaps}" = x"yes"; then
2038 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2043 dnl ---------------------------
2044 dnl check for glibc 'backtrace'
2045 dnl ---------------------------
2046 if test x"${enable_backtrace}" != x"no" ; then
2048 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2049 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2054 AC_CHECK_FUNCS([printstack], [
2055 AC_DEFINE([HAVE_PRINTSTACK], [1], [Solaris printstack])
2060 if test "$backtrace_ok" = no; then
2061 AC_CHECK_HEADER([execinfo.h], [
2062 AC_SEARCH_LIBS([backtrace], [execinfo], [
2063 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2070 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
2071 dnl user explicitly requested backtrace but we failed to find support
2072 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2076 dnl -----------------------------------------
2077 dnl check for malloc mallinfo struct and call
2078 dnl this must try and link using LIBS, in
2079 dnl order to check no alternative allocator
2080 dnl has been specified, which might not provide
2081 dnl mallinfo, e.g. such as Umem on Solaris.
2082 dnl -----------------------------------------
2083 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2085 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2086 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2087 #ifdef HAVE_MALLOC_H
2090 #ifdef HAVE_MALLOC_NP_H
2091 #include <malloc_np.h>
2093 #ifdef HAVE_MALLOC_MALLOC_H
2094 #include <malloc/malloc.h>
2097 struct mallinfo ac_x; ac_x = mallinfo ();
2104 if test "$frr_cv_mallinfo" = yes; then
2105 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2108 AC_MSG_CHECKING([whether malloc_usable_size is available])
2109 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2110 #ifdef HAVE_MALLOC_H
2113 #ifdef HAVE_MALLOC_MALLOC_H
2114 #include <malloc/malloc.h>
2117 size_t ac_x; ac_x = malloc_usable_size(NULL);
2119 AC_MSG_RESULT([yes])
2120 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2124 AC_MSG_CHECKING([whether malloc_size is available])
2125 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2126 #ifdef HAVE_MALLOC_H
2129 #ifdef HAVE_MALLOC_MALLOC_H
2130 #include <malloc/malloc.h>
2133 size_t ac_x; ac_x = malloc_size(NULL);
2135 AC_MSG_RESULT([yes])
2136 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2145 if test "x$enable_zeromq" != "xno"; then
2146 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
2147 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
2150 if test "x$enable_zeromq" = "xyes"; then
2151 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
2155 AM_CONDITIONAL([ZEROMQ], [test "x$ZEROMQ" = "xtrue"])
2160 dev_version=`echo $VERSION | grep dev`
2161 #don't expire deprecated code in non 'dev' branch
2162 if test "${dev_version}" = ""; then
2165 CONFDATE=`date '+%Y%m%d'`
2167 AC_SUBST([CONFDATE])
2169 dnl ------------------------------
2170 dnl set paths for state directory
2171 dnl ------------------------------
2172 AC_MSG_CHECKING([directory to use for state file])
2173 if test "${prefix}" = "NONE"; then
2174 frr_statedir_prefix="";
2176 frr_statedir_prefix=${prefix}
2178 if test "${localstatedir}" = '${prefix}/var'; then
2179 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2180 ${frr_statedir_prefix}/var/adm dnl
2181 ${frr_statedir_prefix}/etc dnl
2187 test -d $FRR_STATE_DIR && break
2189 frr_statedir=$FRR_STATE_DIR
2191 frr_statedir=${localstatedir}
2193 if test $frr_statedir = "/dev/null"; then
2194 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2196 AC_MSG_RESULT([${frr_statedir}])
2197 AC_SUBST([frr_statedir])
2199 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir/ldpd.sock"], [ldpd control socket])
2200 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir/zserv.api"], [zebra api socket])
2201 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir/bfdd.sock"], [bfdd control socket])
2202 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir"], [daemon vty directory])
2203 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2205 dnl autoconf does this, but it does it too late...
2206 test "x$prefix" = xNONE && prefix=$ac_default_prefix
2207 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2209 dnl get the full path, recursing through variables...
2210 vtysh_bin="$bindir/vtysh"
2211 for I in 1 2 3 4 5 6 7 8 9 10; do
2212 eval vtysh_bin="\"$vtysh_bin\""
2214 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2215 AC_SUBST([vtysh_bin])
2217 CFG_SYSCONF="$sysconfdir"
2219 CFG_STATE="$frr_statedir"
2220 CFG_MODULE="$moduledir"
2221 CFG_YANGMODELS="$yangmodelsdir"
2222 CFG_LIBYANG_PLUGINS="$libyang_pluginsdir"
2223 for I in 1 2 3 4 5 6 7 8 9 10; do
2224 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2225 eval CFG_SBIN="\"$CFG_SBIN\""
2226 eval CFG_STATE="\"$CFG_STATE\""
2227 eval CFG_MODULE="\"$CFG_MODULE\""
2228 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2229 eval CFG_LIBYANG_PLUGINS="\"$CFG_LIBYANG_PLUGINS\""
2231 AC_SUBST([CFG_SYSCONF])
2232 AC_SUBST([CFG_SBIN])
2233 AC_SUBST([CFG_STATE])
2234 AC_SUBST([CFG_MODULE])
2235 AC_SUBST([CFG_YANGMODELS])
2236 AC_SUBST([CFG_LIBYANG_PLUGINS])
2237 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2238 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2239 AC_DEFINE_UNQUOTED([LIBYANG_PLUGINS_PATH], ["$CFG_LIBYANG_PLUGINS"], [path to libyang plugins])
2240 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2242 dnl ------------------------------------
2243 dnl Enable RPKI and add librtr to libs
2244 dnl ------------------------------------
2245 if test "${enable_rpki}" = "yes"; then
2246 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
2249 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
2252 AM_CONDITIONAL([RPKI], [test "x$RPKI" = "xtrue"])
2254 dnl ------------------------------------------
2255 dnl Check whether rtrlib was build with ssh support
2256 dnl ------------------------------------------
2257 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
2258 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
2259 [[struct tr_ssh_config config;]])],
2260 [AC_MSG_RESULT([yes])
2261 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
2265 dnl ---------------------------
2266 dnl Check htonl works correctly
2267 dnl ---------------------------
2268 AC_MSG_CHECKING([for working htonl])
2269 AC_CACHE_VAL(ac_cv_htonl_works,
2270 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
2271 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
2274 AC_MSG_RESULT([$ac_cv_htonl_works])
2276 AC_CONFIG_FILES([Makefile],[sed -e 's/^#AUTODERP# //' -i Makefile])
2284 snapcraft/snapcraft.yaml
2286 tests/lib/cli/test_cli.refout
2287 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2288 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2291 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2292 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2293 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2294 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2295 AC_CONFIG_FILES([tools/frrcommon.sh])
2297 AC_CONFIG_COMMANDS([lib/route_types.h], [
2298 dst="${ac_abs_top_builddir}/lib/route_types.h"
2299 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2300 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2303 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2304 && rm "${dst}.tmp" \
2305 || mv "${dst}.tmp" "${dst}"
2310 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
2311 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2312 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2313 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2314 "${ac_abs_top_srcdir}" \
2317 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2318 && rm "${dst}.tmp" \
2319 || mv "${dst}.tmp" "${dst}"
2325 ## Hack, but working solution to avoid rebuilding of frr.info.
2326 ## It's already in CVS until texinfo 4.7 is more common.
2330 FRRouting configuration
2331 ------------------------------
2332 FRR version : ${PACKAGE_VERSION}
2333 host operating system : ${host_os}
2334 source code location : ${srcdir}
2336 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2338 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2339 state file directory : ${frr_statedir}
2340 config file directory : `eval echo \`echo ${sysconfdir}\``
2341 example directory : `eval echo \`echo ${exampledir}\``
2342 module directory : ${CFG_MODULE}
2343 user to run as : ${enable_user}
2344 group to run as : ${enable_group}
2345 group for vty sockets : ${enable_vty_group}
2346 config file mask : ${enable_configfile_mask}
2347 log file mask : ${enable_logfile_mask}
2348 zebra protobuf enabled : ${enable_protobuf:-no}
2350 The above user and group must have read/write access to the state file
2351 directory and to the config files in the config file directory."
2353 if test "${enable_doc}" != "no";then
2354 AS_IF([test "$SPHINXBUILD" = /bin/false],
2355 AC_MSG_WARN([sphinx-build is missing but required to build documentation]))