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${enable_lua}" = "xyes"; then
228 AC_DEFINE([HAVE_LUA], [1], [Have support for Lua interpreter])
229 LIBS="$LIBS $LUA_LIB"
233 if test "x${enable_lua}" = "xyes"; then
234 AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
236 if test "z$orig_cflags" = "z"; then
243 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
245 dnl always want these CFLAGS
246 AC_C_FLAG([-fno-omit-frame-pointer])
247 AC_C_FLAG([-funwind-tables])
250 AC_C_FLAG([-Wmissing-prototypes])
251 AC_C_FLAG([-Wmissing-declarations])
252 AC_C_FLAG([-Wpointer-arith])
253 AC_C_FLAG([-Wbad-function-cast])
254 AC_C_FLAG([-Wwrite-strings])
255 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
256 AC_C_FLAG([-Wcast-qual])
257 AC_C_FLAG([-Wstrict-prototypes])
258 AC_C_FLAG([-Wmissing-noreturn])
259 AC_C_FLAG([-Wmissing-format-attribute])
260 AC_C_FLAG([-Wunreachable-code])
261 AC_C_FLAG([-Wpacked])
262 AC_C_FLAG([-Wpadded])
263 AC_C_FLAG([-Wshadow])
265 AC_C_FLAG([-Wno-unused-result])
267 AC_C_FLAG([-Wno-unused-parameter])
268 AC_C_FLAG([-Wno-missing-field-initializers])
270 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
271 AC_SUBST([CXX_COMPAT_CFLAGS])
273 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
274 dnl for some reason the string consts get 'promoted' to char *,
275 dnl triggering a const to non-const conversion warning.
276 AC_C_FLAG([-diag-disable 3179])
278 if test x"${enable_werror}" = x"yes" ; then
284 if test "$enable_address_sanitizer" = "yes"; then
285 AC_C_FLAG([-fsanitize=address], [
286 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
288 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
291 if test "$enable_thread_sanitizer" = "yes"; then
292 AC_C_FLAG([-fsanitize=thread], [
293 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
295 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
298 if test "$enable_memory_sanitizer" = "yes"; then
299 AC_C_FLAG([-fsanitize=thread -fPIE -pie], [
300 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
302 SAN_FLAGS="-fsanitize=memory -fPIE -pie"
305 AC_SUBST([SAN_FLAGS])
313 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
314 LIBS="$PTHREAD_LIBS $LIBS"
316 AC_MSG_FAILURE([This FRR version needs pthreads])
319 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
320 [frr_cv_pthread_condattr_setclock=yes],
321 [frr_cv_pthread_condattr_setclock=no])
322 if test "$frr_cv_pthread_condattr_setclock" = yes; then
323 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
332 AC_CHECK_TOOL([AR], [ar])
337 AC_ARG_ENABLE([static-bin],
338 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
341 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
342 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
344 if test "$enable_static_bin" = "yes"; then
346 if test "$enable_static" != "yes"; then
347 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
350 if test "$enable_shared" != "yes"; then
351 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
353 AC_SUBST([AC_LDFLAGS])
354 AM_CONDITIONAL([STATIC_BIN], [test "x$enable_static_bin" = "xyes"])
356 dnl $AR and $RANLIB are set by LT_INIT above
357 AC_MSG_CHECKING([whether $AR supports D option])
358 if $AR crD conftest.a >/dev/null 2>/dev/null; then
360 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
371 AC_MSG_CHECKING([whether $RANLIB supports D option])
372 if $RANLIB -D conftest.a >/dev/null 2>/dev/null; then
380 test -f conftest.a && rm conftest.a
382 dnl ----------------------
383 dnl Packages configuration
384 dnl ----------------------
385 if test -f config.version; then
387 elif test -f "${srcdir}/config.version"; then
388 . "${srcdir}/config.version"
390 AC_ARG_WITH([pkg-extra-version],
391 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
392 if test "$withval" = "no"; then
395 EXTRAVERSION=$withval
398 AC_ARG_WITH([pkg-git-version],
399 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
400 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
401 AC_ARG_WITH([vtysh_pager],
402 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
403 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
404 AC_ARG_ENABLE([vtysh],
405 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
407 AS_HELP_STRING([--disable-doc], [do not build docs]))
408 AC_ARG_ENABLE([doc-html],
409 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
410 AC_ARG_ENABLE([zebra],
411 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
412 AC_ARG_ENABLE([bgpd],
413 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
414 AC_ARG_ENABLE([ripd],
415 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
416 AC_ARG_ENABLE([ripngd],
417 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
418 AC_ARG_ENABLE([ospfd],
419 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
420 AC_ARG_ENABLE([ospf6d],
421 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
422 AC_ARG_ENABLE([ldpd],
423 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
424 AC_ARG_ENABLE([nhrpd],
425 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
426 AC_ARG_ENABLE([eigrpd],
427 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
428 AC_ARG_ENABLE([babeld],
429 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
430 AC_ARG_ENABLE([watchfrr],
431 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
432 AC_ARG_ENABLE([isisd],
433 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
434 AC_ARG_ENABLE([pimd],
435 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
436 AC_ARG_ENABLE([pbrd],
437 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
438 AC_ARG_ENABLE([sharpd],
439 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
440 AC_ARG_ENABLE([staticd],
441 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
442 AC_ARG_ENABLE([fabricd],
443 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
444 AC_ARG_ENABLE([bgp-announce],
445 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
446 AC_ARG_ENABLE([vrrpd],
447 AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
448 AC_ARG_ENABLE([bgp-vnc],
449 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
450 AC_ARG_ENABLE([snmp],
451 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
452 AC_ARG_ENABLE([config_rollbacks],
453 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
454 AC_ARG_ENABLE([confd],
455 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
456 AC_ARG_ENABLE([sysrepo],
457 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
458 AC_ARG_ENABLE([grpc],
459 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
460 AC_ARG_ENABLE([zeromq],
461 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
462 AC_ARG_WITH([libpam],
463 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
464 AC_ARG_ENABLE([ospfapi],
465 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
466 AC_ARG_ENABLE([ospfclient],
467 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
468 (this is the default if --disable-ospfapi is set)]))
469 AC_ARG_ENABLE([multipath],
470 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
471 AC_ARG_ENABLE([user],
472 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
473 AC_ARG_ENABLE([group],
474 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
475 AC_ARG_ENABLE([vty_group],
476 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
477 AC_ARG_ENABLE([configfile_mask],
478 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
479 AC_ARG_ENABLE([logfile_mask],
480 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
481 AC_ARG_ENABLE([shell_access],
482 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
483 AC_ARG_ENABLE([realms],
484 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
485 AC_ARG_ENABLE([rtadv],
486 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
487 AC_ARG_ENABLE([irdp],
488 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
489 AC_ARG_ENABLE([capabilities],
490 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
491 AC_ARG_ENABLE([rusage],
492 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
493 AC_ARG_ENABLE([gcc_ultra_verbose],
494 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
495 AC_ARG_ENABLE([backtrace],
496 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
497 AC_ARG_ENABLE([time-check],
498 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
499 AC_ARG_ENABLE([pcreposix],
500 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
502 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
503 AC_ARG_ENABLE([systemd],
504 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
505 AC_ARG_ENABLE([werror],
506 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
507 AC_ARG_ENABLE([cumulus],
508 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
509 AC_ARG_ENABLE([datacenter],
510 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
511 AC_ARG_ENABLE([fuzzing],
512 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
513 AC_ARG_ENABLE([netlink_fuzzing],
514 AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
515 AC_ARG_ENABLE([rr-semantics],
516 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
517 AC_ARG_ENABLE([protobuf],
518 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
519 AC_ARG_ENABLE([oldvpn_commands],
520 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
521 AC_ARG_ENABLE([rpki],
522 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
523 AC_ARG_ENABLE([clippy-only],
524 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
525 AC_ARG_ENABLE([numeric_version],
526 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
527 AC_ARG_ENABLE([gcov],
528 AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
529 AC_ARG_ENABLE([bfdd],
530 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
531 AC_ARG_ENABLE([address-sanitizer],
532 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
533 AC_ARG_ENABLE([thread-sanitizer],
534 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
535 AC_ARG_ENABLE([memory-sanitizer],
536 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
538 AS_IF([test "${enable_clippy_only}" != "yes"], [
539 AC_CHECK_HEADERS([json-c/json.h])
540 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
541 if test "$ac_cv_lib_json_c_json_object_get" = no; then
542 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
543 if test "$ac_cv_lib_json_json_object_get" = no; then
544 AC_MSG_ERROR([libjson is needed to compile])
549 AC_ARG_ENABLE([dev_build],
550 AS_HELP_STRING([--enable-dev-build], [build for development]))
553 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
555 if test x"${enable_time_check}" != x"no" ; then
556 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
557 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
559 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
563 case "${enable_systemd}" in
566 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
567 if test $ac_cv_lib_systemd_sd_notify = no; then
568 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
570 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
576 if test "${enable_rr_semantics}" != "no" ; then
577 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
580 if test "${enable_datacenter}" = "yes" ; then
581 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
582 DFLT_NAME="datacenter"
584 DFLT_NAME="traditional"
587 if test "${enable_fuzzing}" = "yes" ; then
588 AC_DEFINE([HANDLE_ZAPI_FUZZING], [1], [Compile extensions to use with a fuzzer])
591 if test "${enable_netlink_fuzzing}" = "yes" ; then
592 AC_DEFINE([HANDLE_NETLINK_FUZZING], [1], [Compile extensions to use with a fuzzer for netlink])
595 if test "${enable_cumulus}" = "yes" ; then
596 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
599 AC_SUBST([DFLT_NAME])
600 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
602 if test "${enable_shell_access}" = "yes"; then
603 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
606 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
612 AC_DEFUN([FRR_PYTHON_CHECK_WORKING], [
613 AC_MSG_CHECKING([whether we found a working Python version])
614 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
616 #if PY_VERSION_HEX < 0x02070000
617 #error python too old
627 # some python installs are missing the zlib dependency...
628 PYTHON_LIBS="${PYTHON_LIBS} -lz"
629 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
631 #if PY_VERSION_HEX < 0x02070000
632 #error python too old
651 AS_IF([test "$host" = "$build"], [
655 # 1. try python3, but respect the user's preference on which minor ver
656 # 2. try python, which might be py3 or py2 again on the user's preference
657 # 3. try python2 (can really only be 2.7 but eh)
658 # 4. try 3.6 > 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
660 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
661 # (AX_PYTHON does not do what we need)
663 AC_CHECK_TOOLS([PYTHONCONFIG], [ \
673 if test -n "$PYTHONCONFIG"; then
674 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
675 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --ldflags`"
677 FRR_PYTHON_CHECK_WORKING([])
680 if test -z "$PYTHONCONFIG"; then
681 PKG_CHECK_MODULES([PYTHON], [python-3.6], [], [
682 PKG_CHECK_MODULES([PYTHON], [python-3.5], [], [
683 PKG_CHECK_MODULES([PYTHON], [python-3.4], [], [
684 PKG_CHECK_MODULES([PYTHON], [python-3.3], [], [
685 PKG_CHECK_MODULES([PYTHON], [python-3.2], [], [
686 PKG_CHECK_MODULES([PYTHON], [python-2.7], [], [
687 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
691 FRR_PYTHON_CHECK_WORKING([
692 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
696 AC_SUBST([PYTHON_CFLAGS])
697 AC_SUBST([PYTHON_LIBS])
700 # Logic for protobuf support.
702 if test "$enable_protobuf" = "yes"; then
703 # Check for protoc & protoc-c
705 # protoc is not required, it's only for a "be nice" helper target
706 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
708 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
709 if test "$PROTOC_C" = "/bin/false"; then
710 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
713 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
714 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
716 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [], [
717 AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])
720 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
722 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$enable_protobuf" = "xyes"])
725 # Logic for old vpn commands support.
727 if test "$enable_oldvpn_commands" = "yes"; then
728 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
732 # End of logic for protobuf support.
735 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
736 if test "${enable_rtadv}" != "no"; then
738 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
743 if test x"${enable_user}" = x"no"; then
746 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
749 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
752 if test x"${enable_group}" = x"no"; then
755 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
758 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
761 if test x"${enable_vty_group}" = x"yes" ; then
762 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
763 elif test x"${enable_vty_group}" != x""; then
764 if test x"${enable_vty_group}" != x"no"; then
765 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
768 AC_SUBST([enable_user])
769 AC_SUBST([enable_group])
770 AC_SUBST([enable_vty_group])
772 enable_configfile_mask=${enable_configfile_mask:-0600}
773 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
775 enable_logfile_mask=${enable_logfile_mask:-0600}
776 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
780 case "${enable_multipath}" in
784 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
785 MPATH_NUM="${enable_multipath}"
790 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
794 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
796 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
798 dnl --------------------
799 dnl Enable code coverage
800 dnl --------------------
801 AM_CONDITIONAL([HAVE_GCOV], [test '!' "$enable_gcov" = no])
803 dnl ------------------------------------
804 dnl Alpine only accepts numeric versions
805 dnl ------------------------------------
806 if test "x${enable_numeric_version}" != "x" ; then
807 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
808 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
811 dnl -----------------------------------
812 dnl Add extra version string to package
813 dnl name, string and version fields.
814 dnl -----------------------------------
815 if test "x${EXTRAVERSION}" != "x" ; then
816 VERSION="${VERSION}${EXTRAVERSION}"
817 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
818 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
819 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
821 AC_SUBST([EXTRAVERSION])
823 if test "x$with_pkg_git_version" = "xyes"; then
824 if test -d "${srcdir}/.git"; then
825 AC_DEFINE([GIT_VERSION], [1], [include git version info])
826 else with_pkg_git_version="no"
827 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
830 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
832 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
833 if test "x${OBJCOPY}" != "x:"; then
834 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
836 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
837 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
838 frr_cv_interp="`xargs -0 echo < conftest.interp`"
840 test -f conftest.interp && rm conftest.interp
844 if test -n "$frr_cv_interp"; then
845 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
848 dnl ------------------------------------
849 dnl Check C keywords and standard types
850 dnl ------------------------------------
861 dnl -------------------------
862 dnl Check other header files.
863 dnl -------------------------
864 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
865 linux/version.h asm/types.h \
868 ac_stdatomic_ok=false
869 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
870 AC_CHECK_HEADER([stdatomic.h],[
872 AC_MSG_CHECKING([whether _Atomic qualifier works])
873 AC_LINK_IFELSE([AC_LANG_SOURCE([[
874 #include <stdatomic.h>
875 int main(int argc, char **argv) {
880 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
888 AS_IF([$ac_stdatomic_ok], [true], [
889 AC_MSG_CHECKING([for __atomic_* builtins])
890 AC_LINK_IFELSE([AC_LANG_SOURCE([[
891 int main(int argc, char **argv) {
893 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
894 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
897 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
902 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
903 AC_MSG_CHECKING([for __sync_* builtins])
904 AC_LINK_IFELSE([AC_LANG_SOURCE([[
905 int main(int argc, char **argv) {
907 __sync_fetch_and_sub (&i, 1);
908 return __sync_val_compare_and_swap (&i, 0, 1);
911 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
914 AC_MSG_CHECKING([for __sync_swap builtin])
915 AC_LINK_IFELSE([AC_LANG_SOURCE([[
916 int main(int argc, char **argv) {
918 return __sync_swap (&i, 2);
921 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
929 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
934 AC_CHECK_HEADERS([pthread_np.h],,, [
937 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
943 AC_MSG_CHECKING([for Linux futex() support])
944 AC_LINK_IFELSE([AC_LANG_PROGRAM([
950 #include <sys/time.h>
951 #include <sys/syscall.h>
952 #include <linux/futex.h>
958 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
962 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
971 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
972 AC_LINK_IFELSE([AC_LANG_PROGRAM([
975 #include <sys/types.h>
976 #include <sys/umtx.h>
981 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
985 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
993 dnl OpenBSD patch (not upstream at the time of writing this)
994 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
995 AC_MSG_CHECKING([for OpenBSD futex() support])
996 AC_LINK_IFELSE([AC_LANG_PROGRAM([
997 #include <sys/futex.h>
1002 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1005 AC_MSG_RESULT([yes])
1006 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
1013 dnl Utility macro to avoid retyping includes all the time
1014 m4_define([FRR_INCLUDES],
1016 #define _POSIX_C_SOURCE 200809L
1017 #define __EXTENSIONS__
1022 #include <sys/types.h>
1023 /* sys/conf.h depends on param.h on FBSD at least */
1024 #include <sys/param.h>
1025 /* Required for MAXSIG */
1027 #include <sys/socket.h>
1029 # define __APPLE_USE_RFC_3542
1031 #include <netinet/in.h>
1032 #include <sys/time.h>
1037 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1038 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1039 dnl an additional round for it.
1041 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1043 m4_define([FRR_INCLUDES],
1045 [#if HAVE_NET_IF_VAR_H
1046 # include <net/if_var.h>
1050 AC_CHECK_HEADERS([netinet/in_var.h \
1051 net/if_dl.h net/netopt.h \
1052 inet/nd.h netinet/ip_icmp.h \
1053 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
1054 [], [], [FRR_INCLUDES])
1056 AC_CHECK_HEADERS([ucontext.h], [], [],
1059 #endif /* __USE_GNU */
1063 m4_define([UCONTEXT_INCLUDES],
1064 [#include <ucontext.h>])dnl
1066 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1067 [], [], [UCONTEXT_INCLUDES])
1068 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1069 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1070 [], [], [UCONTEXT_INCLUDES])],
1071 [], [UCONTEXT_INCLUDES])
1072 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1073 [], [], [UCONTEXT_INCLUDES])
1075 m4_define([FRR_INCLUDES],
1079 #include <netinet/in_systm.h>
1080 #if HAVE_NETINET_IN_VAR_H
1081 # include <netinet/in_var.h>
1083 #if HAVE_NET_IF_DL_H
1084 # include <net/if_dl.h>
1086 #if HAVE_NET_NETOPT_H
1087 # include <net/netopt.h>
1089 #include <net/route.h>
1091 # include <inet/nd.h>
1093 #include <arpa/inet.h>
1094 /* Required for IDRP */
1095 #if HAVE_NETINET_IP_ICMP_H
1096 # include <netinet/ip_icmp.h>
1100 dnl V6 headers are checked below, after we check for v6
1102 AC_MSG_CHECKING([which operating system interface to use])
1105 AC_MSG_RESULT([Solaris])
1107 AC_DEFINE([SUNOS_5], [1], [SunOS 5])
1108 AC_DEFINE([SOLARIS_IPV6], [1], Solaris IPv6)
1109 AC_DEFINE([_POSIX_C_SOURCE], [200809L], [enable POSIX.1-2008 and XPG7/SUSv4])
1111 AC_CHECK_LIB([socket], [main])
1112 AC_CHECK_LIB([nsl], [main])
1113 AC_CHECK_LIB([umem], [main])
1117 AC_MSG_RESULT([Linux])
1119 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1120 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1121 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1123 dnl Linux has a compilation problem with mixing
1124 dnl netinet/in.h and linux/in6.h they are not
1125 dnl compatible. There has been discussion on
1126 dnl how to fix it but no real progress on implementation
1127 dnl when they fix it, remove this
1128 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1131 AC_MSG_RESULT([OpenBSD])
1133 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1134 AC_DEFINE([KAME], [1], [KAME IPv6])
1135 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1137 if test "x${enable_pimd}" != "xno"; then
1142 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
1148 AC_MSG_RESULT([BSD])
1150 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1151 AC_DEFINE([KAME], [1], [KAME IPv6])
1152 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1155 AM_CONDITIONAL([SOLARIS], [test "${SOLARIS}" = "solaris"])
1159 dnl ------------------------
1160 dnl Integrated REALMS option
1161 dnl ------------------------
1162 if test "${enable_realms}" = "yes"; then
1165 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1168 echo "Sorry, only Linux has REALMS support"
1173 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
1175 dnl ---------------------
1176 dnl Integrated VTY option
1177 dnl ---------------------
1178 case "${enable_vtysh}" in
1183 AC_DEFINE([VTYSH], [1], [VTY shell])
1186 AC_CHECK_LIB([readline], [main], [
1187 LIBREADLINE="-lreadline"
1189 dnl readline failed - it might be incorrectly linked and missing its
1190 dnl termcap/tinfo/curses dependency. see if we can fix that...
1191 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1192 LIBREADLINE="$ac_cv_search_tputs"
1194 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1197 dnl re-try with the lib we found above
1198 unset ac_cv_lib_readline_main
1199 AC_CHECK_LIB([readline], [main], [
1200 LIBREADLINE="-lreadline $LIBREADLINE"
1202 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1207 AC_CHECK_HEADER([readline/history.h])
1208 if test $ac_cv_header_readline_history_h = no;then
1209 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1211 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1212 if test $ac_cv_lib_readline_rl_completion_matches = no; then
1213 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1215 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1216 if test "$frr_cv_append_history" = yes; then
1217 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1221 AC_SUBST([LIBREADLINE])
1222 AM_CONDITIONAL([VTYSH], test "x$VTYSH" = "xvtysh")
1227 dnl FRR detects the PAM library it is built against by checking for a
1228 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1229 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1230 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1231 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1234 if test "$with_libpam" = "yes"; then
1235 AC_CHECK_HEADER([security/pam_misc.h],
1236 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1237 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1238 pam_conv_func="misc_conv"
1241 AC_CHECK_HEADER([security/openpam.h],
1242 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1243 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1244 pam_conv_func="openpam_ttyconv"
1246 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1247 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1248 AC_MSG_WARN([*** pam support will not be built ***])
1253 if test "$with_libpam" = "yes"; then
1254 dnl took this test from proftpds configure.in and suited to our needs
1255 dnl -------------------------------------------------------------------------
1257 dnl This next check looks funky due to a linker problem with some versions
1258 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1259 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1260 dnl with RedHat 6.2 and Debian 2.2 or better.
1261 AC_CHECK_LIB([pam], [pam_start],
1262 [AC_CHECK_LIB([pam], [$pam_conv_func],
1263 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1265 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1266 LIBPAM="-lpam -lpam_misc"]
1270 [AC_CHECK_LIB([pam], [pam_end],
1271 [AC_CHECK_LIB([pam], [$pam_conv_func],
1272 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1273 LIBPAM="-lpam -ldl"],
1274 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1275 LIBPAM="-lpam -ldl -lpam_misc"]
1277 ],AC_MSG_WARN([*** pam support will not be built ***]),
1284 dnl -------------------------------
1285 dnl Endian-ness check
1286 dnl -------------------------------
1289 dnl -------------------------------
1290 dnl check the size in byte of the C
1291 dnl -------------------------------
1292 dnl AC_CHECK_SIZEOF(char)
1293 dnl AC_CHECK_SIZEOF(int)
1294 dnl AC_CHECK_SIZEOF(short)
1295 dnl AC_CHECK_SIZEOF(long)
1297 dnl ----------------------------
1298 dnl check existance of functions
1299 dnl ----------------------------
1305 dnl -------------------------------
1306 dnl bgpd needs pow() and hence libm
1307 dnl -------------------------------
1309 AC_CHECK_HEADER([math.h],
1310 [AC_CHECK_LIB([m], [pow],
1313 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1316 if test x"$LIBM" = x ; then
1317 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1323 AC_CHECK_FUNCS([ppoll], [
1324 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1326 AC_CHECK_FUNCS([pollts], [
1327 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1337 AC_CHECK_HEADER([asm-generic/unistd.h],
1338 [AC_CHECK_DECL(__NR_setns,
1339 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1340 FRR_INCLUDES [#include <asm-generic/unistd.h>
1342 AC_CHECK_FUNCS([setns])]
1345 dnl --------------------------
1346 dnl Determine IS-IS I/O method
1347 dnl --------------------------
1348 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1349 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1350 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1351 AC_CHECK_HEADER([net/bpf.h])
1352 AC_CHECK_HEADER([sys/dlpi.h])
1353 AC_MSG_CHECKING([zebra IS-IS I/O method])
1357 AC_MSG_RESULT([pfpacket])
1358 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1361 AC_MSG_RESULT([DLPI])
1362 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1365 if test $ac_cv_header_net_bpf_h = no; then
1366 if test $ac_cv_header_sys_dlpi_h = no; then
1367 AC_MSG_RESULT([none])
1368 if test "${enable_isisd}" = yes -o "${enable_fabricd}" = yes; then
1369 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1371 AC_MSG_WARN([*** IS-IS support will not be built ***])
1375 AC_MSG_RESULT([DLPI])
1377 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1379 AC_MSG_RESULT([BPF])
1380 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1384 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1386 dnl ---------------------------------------------------------------
1387 dnl figure out how to specify an interface in multicast sockets API
1388 dnl ---------------------------------------------------------------
1389 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1391 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1392 #include <sys/socket.h>
1393 #include <netinet/in.h>
1394 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1395 #include <linux/types.h>
1398 m4_define([FRR_INCLUDES],
1400 [#if HAVE_LINUX_MROUTE_H
1401 # include <linux/mroute.h>
1405 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1406 #include <sys/socket.h>
1407 #include <sys/types.h>
1408 #include <netinet/in.h>
1409 #include <net/route.h>
1412 m4_define([FRR_INCLUDES],
1414 [#if HAVE_NETINET_IP_MROUTE_H
1415 # include <netinet/ip_mroute.h>
1419 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1420 AC_TRY_COMPILE([#include <sys/param.h>],
1421 [#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)
1424 #error No support for BSD struct ip_mreq hack detected
1425 #endif],[AC_MSG_RESULT([yes])
1426 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1427 AC_MSG_RESULT([no]))
1429 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1431 #include <sys/types.h>
1432 #include <netinet/in.h>
1433 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1434 ], [AC_MSG_RESULT([yes])
1435 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1436 AC_MSG_RESULT([no]))
1438 dnl ---------------------------------------------------------------
1439 dnl figure out how to check link-state
1440 dnl ---------------------------------------------------------------
1441 AC_CHECK_HEADER([net/if_media.h],
1442 [m4_define([LINK_DETECT_INCLUDES],
1444 [#include <net/if_media.h>
1446 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1447 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1448 [], LINK_DETECT_INCLUDES)],
1452 dnl ---------------------------------------------------------------
1453 dnl Additional, newer way to check link-state using ifi_link_state.
1454 dnl Not available in all BSD's when ifmediareq available
1455 dnl ---------------------------------------------------------------
1456 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1457 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1460 dnl ------------------------
1461 dnl TCP_MD5SIG socket option
1462 dnl ------------------------
1464 AC_CHECK_HEADER([netinet/tcp.h],
1465 [m4_define([MD5_INCLUDES],
1467 [#include <netinet/tcp.h>
1469 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1472 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1473 AC_CHECK_HEADER([linux/tcp.h],
1474 [m4_define([MD5_INCLUDES],
1476 [#include <linux/tcp.h>
1478 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1481 dnl ----------------------------------------------------------------------------
1482 dnl figure out if domainname is available in the utsname struct (GNU extension).
1483 dnl ----------------------------------------------------------------------------
1484 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1486 dnl ------------------
1487 dnl IPv6 header checks
1488 dnl ------------------
1489 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1490 netinet6/in6_var.h netinet6/nd6.h], [], [],
1493 m4_define([FRR_INCLUDES],dnl
1495 [#if HAVE_NETINET6_IN6_H
1496 #include <netinet6/in6.h>
1498 #if HAVE_NETINET_IN6_VAR_H
1499 #include <netinet/in6_var.h>
1501 #include <netinet/icmp6.h>
1502 #if HAVE_NETINET6_IN6_VAR_H
1503 # include <netinet6/in6_var.h>
1505 #if HAVE_NETINET6_ND6_H
1506 # include <netinet6/nd6.h>
1510 dnl disable doc check
1511 AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [/bin/false])
1512 if test "$SPHINXBUILD" = "/bin/false"; then
1513 if test "${enable_doc}" = "yes"; then
1514 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx-build is not available. Please disable docs or install sphinx.])
1517 AM_CONDITIONAL([DOC], [test "${enable_doc}" != "no" -a "$SPHINXBUILD" != "/bin/false"])
1518 AM_CONDITIONAL([DOC_HTML], [test "${enable_doc_html}" = "yes"])
1520 dnl --------------------
1521 dnl Daemon disable check
1522 dnl --------------------
1523 AM_CONDITIONAL([ZEBRA], [test "${enable_zebra}" != "no"])
1525 if test "${enable_bgpd}" = "no";then
1530 AM_CONDITIONAL([BGPD], [test "x$BGPD" = "xbgpd"])
1532 AM_CONDITIONAL([RIPD], [test "${enable_ripd}" != "no"])
1533 AM_CONDITIONAL([OSPFD], [test "${enable_ospfd}" != "no"])
1534 AM_CONDITIONAL([LDPD], [test "${enable_ldpd}" != "no"])
1536 AS_IF([test "${enable_ldpd}" != "no"], [
1537 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1540 if test "$enable_bfdd" = "no"; then
1541 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1544 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1549 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1553 AC_DEFINE([BFD_BSD], [1], [bfdd])
1558 AM_CONDITIONAL([BFDD], [test "x$BFDD" = "xbfdd"])
1560 if test "$ac_cv_lib_json_c_json_object_get" = no -a "x$BFDD" = "xbfdd"; then
1561 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1567 if test "${enable_nhrpd}" != "no"; then
1572 if test "${enable_nhrpd}" = "yes"; then
1573 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1577 AM_CONDITIONAL([NHRPD], [test "x$NHRPD" = "xnhrpd"])
1579 AM_CONDITIONAL([EIGRPD], [test "${enable_eigrpd}" != "no"])
1581 if test "${enable_watchfrr}" = "no";then
1586 AM_CONDITIONAL([WATCHFRR], [test "x$WATCHFRR" = "xwatchfrr"])
1589 if test "${enable_ospfapi}" != "no";then
1590 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1592 if test "${enable_ospfclient}" != "no";then
1593 OSPFCLIENT="ospfclient"
1597 AM_CONDITIONAL([OSPFCLIENT], [test "x$OSPFCLIENT" = "xospfclient"])
1598 AM_CONDITIONAL([RIPNGD], [test "${enable_ripngd}" != "no"])
1599 AM_CONDITIONAL([BABELD], [test "${enable_babeld}" != "no"])
1600 AM_CONDITIONAL([OSPF6D], [test "${enable_ospf6d}" != "no"])
1601 AM_CONDITIONAL([ISISD], [test "${enable_isisd}" != "no"])
1602 AM_CONDITIONAL([PIMD], [test "${enable_pimd}" != "no"])
1603 AM_CONDITIONAL([PBRD], [test "${enable_pbrd}" != "no"])
1604 AM_CONDITIONAL([SHARPD], [test "${enable_sharpd}" = "yes"])
1605 AM_CONDITIONAL([STATICD], [test "${enable_staticd}" != "no"])
1606 AM_CONDITIONAL([FABRICD], [test "${enable_fabricd}" != "no"])
1607 AM_CONDITIONAL([VRRPD], [test "${enable_vrrpd}" != "no"])
1609 if test "${enable_bgp_announce}" = "no";then
1610 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1612 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1615 if test "${enable_bgp_vnc}" != "no";then
1616 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1618 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1621 AC_CHECK_LIB([crypt], [crypt], [],
1622 [AC_CHECK_LIB([crypto], [DES_crypt])])
1623 AC_CHECK_LIB([resolv], [res_init])
1625 dnl ---------------------------
1626 dnl check system has PCRE regexp
1627 dnl ---------------------------
1628 if test "x$enable_pcreposix" = "xyes"; then
1629 AC_CHECK_LIB([pcreposix], [regexec], [], [
1630 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1633 AC_SUBST([HAVE_LIBPCREPOSIX])
1635 dnl ------------------
1636 dnl check C-Ares library
1637 dnl ------------------
1638 if test "${NHRPD}" != ""; then
1639 PKG_CHECK_MODULES([CARES], [libcares], ,[
1640 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1645 dnl ------------------
1646 dnl check Net-SNMP library
1647 dnl ------------------
1648 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1649 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1650 if test x"$NETSNMP_CONFIG" = x"no"; then
1651 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1653 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1654 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1655 # net-snmp lists all of its own dependencies. we absolutely do not want that
1656 # among other things we avoid a GPL vs. OpenSSL license conflict here
1657 for removelib in crypto ssl sensors pci wrap; do
1658 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1660 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1661 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1669 AC_MSG_ERROR([--enable-snmp given but not usable])])
1670 case "${enable_snmp}" in
1675 SNMP_METHOD="${enable_snmp}"
1678 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1681 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1682 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1684 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1685 AC_SUBST([SNMP_LIBS])
1686 AC_SUBST([SNMP_CFLAGS])
1691 PKG_CHECK_MODULES([LIBYANG], [libyang >= 0.16.7], , [
1692 AC_MSG_ERROR([libyang (>= 0.16.7) was not found on your system.])
1694 ac_cflags_save="$CFLAGS"
1695 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1696 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1697 AC_MSG_ERROR([m4_normalize([
1698 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1699 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1701 ], [[#include <libyang/libyang.h>]])
1702 CFLAGS="$ac_cflags_save"
1705 dnl configuration rollbacks
1708 if test "$enable_config_rollbacks" = "yes"; then
1709 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1710 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1711 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1714 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1717 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
1722 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1723 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1724 if test "x$CONFD" = "x/bin/false"; then
1725 AC_MSG_ERROR([confd was not found on your system.])]
1727 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1728 AC_SUBST([CONFD_CFLAGS])
1729 CONFD_LIBS="-lconfd"
1730 AC_SUBST([CONFD_LIBS])
1731 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1733 AM_CONDITIONAL([CONFD], [test "x$enable_confd" != "x"])
1738 if test "$enable_sysrepo" = "yes"; then
1739 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1740 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1743 AC_MSG_ERROR([sysrepo was not found on your system.])]
1746 AM_CONDITIONAL([SYSREPO], [test "x$enable_sysrepo" = "xyes"])
1751 if test "$enable_grpc" = "yes"; then
1752 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1753 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1754 if test "$PROTOC" = "/bin/false"; then
1755 AC_MSG_FAILURE([grpc requested but protoc not found.])
1758 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1762 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1765 AM_CONDITIONAL([GRPC], [test "x$enable_grpc" = "xyes"])
1770 AC_SEARCH_LIBS([sqrt], [m])
1775 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1776 AC_MSG_ERROR([unable to find the dlopen()])
1779 AC_CHECK_HEADERS([link.h])
1781 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1782 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1790 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1792 frr_cv_rtld_di_origin=yes
1794 frr_cv_rtld_di_origin=no
1797 if test "$frr_cv_rtld_di_origin" = yes; then
1798 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1801 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1802 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1809 struct link_map *lm = NULL;
1810 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1812 frr_cv_rtld_di_linkmap=yes
1814 frr_cv_rtld_di_linkmap=no
1817 if test "$frr_cv_rtld_di_linkmap" = yes; then
1818 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1821 AM_CONDITIONAL([SNMP], [test "x$SNMP_METHOD" = "xagentx"])
1823 dnl ---------------------------
1824 dnl sockaddr and netinet checks
1825 dnl ---------------------------
1828 struct vifctl, struct mfcctl, struct sioc_sg_req,
1829 vifi_t, struct sioc_vif_req, struct igmpmsg,
1830 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1831 struct nd_opt_adv_interval, struct rt_addrinfo,
1832 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1833 struct nd_opt_rdnss, struct nd_opt_dnssl],
1834 [], [], FRR_INCLUDES)
1836 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1837 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1838 struct sockaddr_dl.sdl_len,
1839 struct if6_aliasreq.ifra_lifetime,
1840 struct nd_opt_adv_interval.nd_opt_ai_type],
1841 [], [], FRR_INCLUDES)
1843 dnl ---------------------------
1844 dnl IRDP/pktinfo/icmphdr checks
1845 dnl ---------------------------
1847 AC_CHECK_TYPES([struct in_pktinfo], [
1848 AC_CHECK_TYPES([struct icmphdr], [
1857 case "${enable_irdp}" in
1859 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1866 AM_CONDITIONAL([IRDP], [$IRDP])
1868 dnl -----------------------
1869 dnl checking for IP_PKTINFO
1870 dnl -----------------------
1871 AC_MSG_CHECKING([for IP_PKTINFO])
1872 AC_TRY_COMPILE([#include <netdb.h>], [
1873 int opt = IP_PKTINFO;
1875 AC_MSG_RESULT([yes])
1876 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
1881 dnl ---------------------------
1882 dnl checking for IP_RECVDSTADDR
1883 dnl ---------------------------
1884 AC_MSG_CHECKING([for IP_RECVDSTADDR])
1885 AC_TRY_COMPILE([#include <netinet/in.h>], [
1886 int opt = IP_RECVDSTADDR;
1888 AC_MSG_RESULT([yes])
1889 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
1894 dnl ----------------------
1895 dnl checking for IP_RECVIF
1896 dnl ----------------------
1897 AC_MSG_CHECKING([for IP_RECVIF])
1898 AC_TRY_COMPILE([#include <netinet/in.h>], [
1899 int opt = IP_RECVIF;
1901 AC_MSG_RESULT([yes])
1902 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
1907 dnl ----------------------
1908 dnl checking for SO_BINDANY
1909 dnl ----------------------
1910 AC_MSG_CHECKING([for SO_BINDANY])
1911 AC_TRY_COMPILE([#include <sys/socket.h>], [
1912 int opt = SO_BINDANY;
1914 AC_MSG_RESULT([yes])
1915 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
1920 dnl ----------------------
1921 dnl checking for IP_FREEBIND
1922 dnl ----------------------
1923 AC_MSG_CHECKING([for IP_FREEBIND])
1924 AC_TRY_COMPILE([#include <netinet/in.h>], [
1925 int opt = IP_FREEBIND;
1927 AC_MSG_RESULT([yes])
1928 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
1933 dnl --------------------------------------
1934 dnl checking for be32dec existence or not
1935 dnl --------------------------------------
1936 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1937 [#include <sys/endian.h>])
1939 dnl --------------------------------------
1940 dnl checking for clock_time monotonic struct and call
1941 dnl --------------------------------------
1942 AC_CHECK_DECL([CLOCK_MONOTONIC],
1943 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
1944 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
1945 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
1947 dnl --------------------------------------
1948 dnl checking for flex and bison
1949 dnl --------------------------------------
1952 AC_MSG_CHECKING([version of flex])
1953 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1954 frr_ac_flex_version="${frr_ac_flex_version##* }"
1955 AC_MSG_RESULT([$frr_ac_flex_version])
1956 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1957 LEX="$SHELL $missing_dir/missing flex"
1958 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1959 AC_MSG_WARN([using pregenerated flex output files])
1961 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1963 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1964 AC_SUBST([LEXLIB], [''])
1968 dnl thanks GNU bison for this b*llshit...
1969 AC_MSG_CHECKING([version of bison])
1970 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1971 frr_ac_bison_version="${frr_ac_bison_version##* }"
1972 frr_ac_bison_missing="false"
1973 case "x${frr_ac_bison_version}" in
1976 BISON_CLOSEBRACE='"'
1978 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1981 AC_MSG_RESULT([$frr_ac_bison_version])
1982 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1983 frr_ac_bison_missing="true"
1986 AC_MSG_RESULT([none])
1987 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1988 frr_ac_bison_missing="true"
1992 BISON_CLOSEBRACE='}'
1993 BISON_VERBOSE='-Dparse.error=verbose'
1994 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1997 AC_SUBST([BISON_OPENBRACE])
1998 AC_SUBST([BISON_CLOSEBRACE])
1999 AC_SUBST([BISON_VERBOSE])
2001 if $frr_ac_bison_missing; then
2002 YACC="$SHELL $missing_dir/missing bison -y"
2003 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2004 AC_MSG_WARN([using pregenerated bison output files])
2006 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2010 dnl -------------------
2011 dnl capabilities checks
2012 dnl -------------------
2013 if test "${enable_capabilities}" != "no"; then
2014 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2015 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2016 [AC_MSG_RESULT([yes])
2017 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2018 frr_ac_keepcaps="yes"],
2021 if test x"${frr_ac_keepcaps}" = x"yes"; then
2022 AC_CHECK_HEADERS([sys/capability.h])
2024 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
2025 AC_CHECK_LIB([cap], [cap_init],
2026 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2031 AC_CHECK_HEADERS([priv.h],
2032 [AC_MSG_CHECKING([Solaris style privileges are available])
2033 AC_TRY_COMPILE([#include <priv.h>], [getpflags(PRIV_AWARE);],
2034 [AC_MSG_RESULT([yes])
2035 AC_DEFINE([HAVE_SOLARIS_CAPABILITIES], [1], [getpflags])
2036 frr_ac_scaps="yes"],
2042 if test x"${frr_ac_scaps}" = x"yes" \
2043 -o x"${frr_ac_lcaps}" = x"yes"; then
2044 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2049 dnl ---------------------------
2050 dnl check for glibc 'backtrace'
2051 dnl ---------------------------
2052 if test x"${enable_backtrace}" != x"no" ; then
2054 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2055 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2060 AC_CHECK_FUNCS([printstack], [
2061 AC_DEFINE([HAVE_PRINTSTACK], [1], [Solaris printstack])
2066 if test "$backtrace_ok" = no; then
2067 AC_CHECK_HEADER([execinfo.h], [
2068 AC_SEARCH_LIBS([backtrace], [execinfo], [
2069 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2076 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
2077 dnl user explicitly requested backtrace but we failed to find support
2078 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2082 dnl -----------------------------------------
2083 dnl check for malloc mallinfo struct and call
2084 dnl this must try and link using LIBS, in
2085 dnl order to check no alternative allocator
2086 dnl has been specified, which might not provide
2087 dnl mallinfo, e.g. such as Umem on Solaris.
2088 dnl -----------------------------------------
2089 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2091 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2092 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2093 #ifdef HAVE_MALLOC_H
2096 #ifdef HAVE_MALLOC_NP_H
2097 #include <malloc_np.h>
2099 #ifdef HAVE_MALLOC_MALLOC_H
2100 #include <malloc/malloc.h>
2103 struct mallinfo ac_x; ac_x = mallinfo ();
2110 if test "$frr_cv_mallinfo" = yes; then
2111 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2114 AC_MSG_CHECKING([whether malloc_usable_size is available])
2115 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2116 #ifdef HAVE_MALLOC_H
2119 #ifdef HAVE_MALLOC_MALLOC_H
2120 #include <malloc/malloc.h>
2123 size_t ac_x; ac_x = malloc_usable_size(NULL);
2125 AC_MSG_RESULT([yes])
2126 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2130 AC_MSG_CHECKING([whether malloc_size is available])
2131 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2132 #ifdef HAVE_MALLOC_H
2135 #ifdef HAVE_MALLOC_MALLOC_H
2136 #include <malloc/malloc.h>
2139 size_t ac_x; ac_x = malloc_size(NULL);
2141 AC_MSG_RESULT([yes])
2142 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2151 if test "x$enable_zeromq" != "xno"; then
2152 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
2153 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
2156 if test "x$enable_zeromq" = "xyes"; then
2157 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
2161 AM_CONDITIONAL([ZEROMQ], [test "x$ZEROMQ" = "xtrue"])
2166 dev_version=`echo $VERSION | grep dev`
2167 #don't expire deprecated code in non 'dev' branch
2168 if test "${dev_version}" = ""; then
2171 CONFDATE=`date '+%Y%m%d'`
2173 AC_SUBST([CONFDATE])
2175 dnl ------------------------------
2176 dnl set paths for state directory
2177 dnl ------------------------------
2178 AC_MSG_CHECKING([directory to use for state file])
2179 if test "${prefix}" = "NONE"; then
2180 frr_statedir_prefix="";
2182 frr_statedir_prefix=${prefix}
2184 if test "${localstatedir}" = '${prefix}/var'; then
2185 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2186 ${frr_statedir_prefix}/var/adm dnl
2187 ${frr_statedir_prefix}/etc dnl
2193 test -d $FRR_STATE_DIR && break
2195 frr_statedir=$FRR_STATE_DIR
2197 frr_statedir=${localstatedir}
2199 if test $frr_statedir = "/dev/null"; then
2200 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2202 AC_MSG_RESULT([${frr_statedir}])
2203 AC_SUBST([frr_statedir])
2205 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir/ldpd.sock"], [ldpd control socket])
2206 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir/zserv.api"], [zebra api socket])
2207 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir/bfdd.sock"], [bfdd control socket])
2208 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir"], [daemon vty directory])
2209 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2211 dnl autoconf does this, but it does it too late...
2212 test "x$prefix" = xNONE && prefix=$ac_default_prefix
2213 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2215 dnl get the full path, recursing through variables...
2216 vtysh_bin="$bindir/vtysh"
2217 for I in 1 2 3 4 5 6 7 8 9 10; do
2218 eval vtysh_bin="\"$vtysh_bin\""
2220 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2221 AC_SUBST([vtysh_bin])
2223 CFG_SYSCONF="$sysconfdir"
2225 CFG_STATE="$frr_statedir"
2226 CFG_MODULE="$moduledir"
2227 CFG_YANGMODELS="$yangmodelsdir"
2228 CFG_LIBYANG_PLUGINS="$libyang_pluginsdir"
2229 for I in 1 2 3 4 5 6 7 8 9 10; do
2230 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2231 eval CFG_SBIN="\"$CFG_SBIN\""
2232 eval CFG_STATE="\"$CFG_STATE\""
2233 eval CFG_MODULE="\"$CFG_MODULE\""
2234 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2235 eval CFG_LIBYANG_PLUGINS="\"$CFG_LIBYANG_PLUGINS\""
2237 AC_SUBST([CFG_SYSCONF])
2238 AC_SUBST([CFG_SBIN])
2239 AC_SUBST([CFG_STATE])
2240 AC_SUBST([CFG_MODULE])
2241 AC_SUBST([CFG_YANGMODELS])
2242 AC_SUBST([CFG_LIBYANG_PLUGINS])
2243 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2244 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2245 AC_DEFINE_UNQUOTED([LIBYANG_PLUGINS_PATH], ["$CFG_LIBYANG_PLUGINS"], [path to libyang plugins])
2246 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2248 dnl ------------------------------------
2249 dnl Enable RPKI and add librtr to libs
2250 dnl ------------------------------------
2251 if test "${enable_rpki}" = "yes"; then
2252 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
2255 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
2258 AM_CONDITIONAL([RPKI], [test "x$RPKI" = "xtrue"])
2260 dnl ------------------------------------------
2261 dnl Check whether rtrlib was build with ssh support
2262 dnl ------------------------------------------
2263 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
2264 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
2265 [[struct tr_ssh_config config;]])],
2266 [AC_MSG_RESULT([yes])
2267 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
2271 dnl ---------------------------
2272 dnl Check htonl works correctly
2273 dnl ---------------------------
2274 AC_MSG_CHECKING([for working htonl])
2275 AC_CACHE_VAL(ac_cv_htonl_works,
2276 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
2277 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
2280 AC_MSG_RESULT([$ac_cv_htonl_works])
2282 AC_CONFIG_FILES([Makefile],[sed -e 's/^#AUTODERP# //' -i Makefile])
2290 snapcraft/snapcraft.yaml
2292 tests/lib/cli/test_cli.refout
2293 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2294 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2297 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2298 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2299 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2300 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2301 AC_CONFIG_FILES([tools/frrcommon.sh])
2303 AC_CONFIG_COMMANDS([lib/route_types.h], [
2304 dst="${ac_abs_top_builddir}/lib/route_types.h"
2305 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2306 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2309 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2310 && rm "${dst}.tmp" \
2311 || mv "${dst}.tmp" "${dst}"
2316 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
2317 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2318 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2319 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2320 "${ac_abs_top_srcdir}" \
2323 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2324 && rm "${dst}.tmp" \
2325 || mv "${dst}.tmp" "${dst}"
2331 ## Hack, but working solution to avoid rebuilding of frr.info.
2332 ## It's already in CVS until texinfo 4.7 is more common.
2336 FRRouting configuration
2337 ------------------------------
2338 FRR version : ${PACKAGE_VERSION}
2339 host operating system : ${host_os}
2340 source code location : ${srcdir}
2342 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2344 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2345 state file directory : ${frr_statedir}
2346 config file directory : `eval echo \`echo ${sysconfdir}\``
2347 example directory : `eval echo \`echo ${exampledir}\``
2348 module directory : ${CFG_MODULE}
2349 user to run as : ${enable_user}
2350 group to run as : ${enable_group}
2351 group for vty sockets : ${enable_vty_group}
2352 config file mask : ${enable_configfile_mask}
2353 log file mask : ${enable_logfile_mask}
2354 zebra protobuf enabled : ${enable_protobuf:-no}
2356 The above user and group must have read/write access to the state file
2357 directory and to the config files in the config file directory."
2359 if test "${enable_doc}" != "no";then
2360 AS_IF([test "$SPHINXBUILD" = /bin/false],
2361 AC_MSG_WARN([sphinx-build is missing but required to build documentation]))