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([bgp-vnc],
447 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
448 AC_ARG_ENABLE([snmp],
449 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
450 AC_ARG_ENABLE([config_rollbacks],
451 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
452 AC_ARG_ENABLE([confd],
453 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
454 AC_ARG_ENABLE([sysrepo],
455 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
456 AC_ARG_ENABLE([grpc],
457 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
458 AC_ARG_ENABLE([zeromq],
459 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
460 AC_ARG_WITH([libpam],
461 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
462 AC_ARG_ENABLE([ospfapi],
463 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
464 AC_ARG_ENABLE([ospfclient],
465 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
466 (this is the default if --disable-ospfapi is set)]))
467 AC_ARG_ENABLE([multipath],
468 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
469 AC_ARG_ENABLE([user],
470 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
471 AC_ARG_ENABLE([group],
472 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
473 AC_ARG_ENABLE([vty_group],
474 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
475 AC_ARG_ENABLE([configfile_mask],
476 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
477 AC_ARG_ENABLE([logfile_mask],
478 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
479 AC_ARG_ENABLE([shell_access],
480 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
481 AC_ARG_ENABLE([realms],
482 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
483 AC_ARG_ENABLE([rtadv],
484 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
485 AC_ARG_ENABLE([irdp],
486 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
487 AC_ARG_ENABLE([capabilities],
488 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
489 AC_ARG_ENABLE([rusage],
490 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
491 AC_ARG_ENABLE([gcc_ultra_verbose],
492 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
493 AC_ARG_ENABLE([backtrace],
494 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
495 AC_ARG_ENABLE([time-check],
496 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
497 AC_ARG_ENABLE([pcreposix],
498 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
500 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
501 AC_ARG_ENABLE([systemd],
502 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
503 AC_ARG_ENABLE([werror],
504 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
505 AC_ARG_ENABLE([cumulus],
506 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
507 AC_ARG_ENABLE([datacenter],
508 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
509 AC_ARG_ENABLE([fuzzing],
510 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
511 AC_ARG_ENABLE([netlink_fuzzing],
512 AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
513 AC_ARG_ENABLE([rr-semantics],
514 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
515 AC_ARG_ENABLE([protobuf],
516 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
517 AC_ARG_ENABLE([oldvpn_commands],
518 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
519 AC_ARG_ENABLE([rpki],
520 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
521 AC_ARG_ENABLE([clippy-only],
522 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
523 AC_ARG_ENABLE([numeric_version],
524 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
525 AC_ARG_ENABLE([gcov],
526 AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
527 AC_ARG_ENABLE([bfdd],
528 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
529 AC_ARG_ENABLE([address-sanitizer],
530 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
531 AC_ARG_ENABLE([thread-sanitizer],
532 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
533 AC_ARG_ENABLE([memory-sanitizer],
534 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
536 AS_IF([test "${enable_clippy_only}" != "yes"], [
537 AC_CHECK_HEADERS([json-c/json.h])
538 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
539 if test "$ac_cv_lib_json_c_json_object_get" = no; then
540 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
541 if test "$ac_cv_lib_json_json_object_get" = no; then
542 AC_MSG_ERROR([libjson is needed to compile])
547 AC_ARG_ENABLE([dev_build],
548 AS_HELP_STRING([--enable-dev-build], [build for development]))
551 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
553 if test x"${enable_time_check}" != x"no" ; then
554 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
555 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
557 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
561 case "${enable_systemd}" in
564 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
565 if test $ac_cv_lib_systemd_sd_notify = no; then
566 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
568 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
574 if test "${enable_rr_semantics}" != "no" ; then
575 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
578 if test "${enable_datacenter}" = "yes" ; then
579 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
580 DFLT_NAME="datacenter"
582 DFLT_NAME="traditional"
585 if test "${enable_fuzzing}" = "yes" ; then
586 AC_DEFINE([HANDLE_ZAPI_FUZZING], [1], [Compile extensions to use with a fuzzer])
589 if test "${enable_netlink_fuzzing}" = "yes" ; then
590 AC_DEFINE([HANDLE_NETLINK_FUZZING], [1], [Compile extensions to use with a fuzzer for netlink])
593 if test "${enable_cumulus}" = "yes" ; then
594 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
597 AC_SUBST([DFLT_NAME])
598 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
600 if test "${enable_shell_access}" = "yes"; then
601 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
604 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
610 AC_DEFUN([FRR_PYTHON_CHECK_WORKING], [
611 AC_MSG_CHECKING([whether we found a working Python version])
612 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
614 #if PY_VERSION_HEX < 0x02070000
615 #error python too old
625 # some python installs are missing the zlib dependency...
626 PYTHON_LIBS="${PYTHON_LIBS} -lz"
627 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
629 #if PY_VERSION_HEX < 0x02070000
630 #error python too old
649 AS_IF([test "$host" = "$build"], [
653 # 1. try python3, but respect the user's preference on which minor ver
654 # 2. try python, which might be py3 or py2 again on the user's preference
655 # 3. try python2 (can really only be 2.7 but eh)
656 # 4. try 3.6 > 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
658 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
659 # (AX_PYTHON does not do what we need)
661 AC_CHECK_TOOLS([PYTHONCONFIG], [ \
671 if test -n "$PYTHONCONFIG"; then
672 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
673 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --ldflags`"
675 FRR_PYTHON_CHECK_WORKING([])
678 if test -z "$PYTHONCONFIG"; then
679 PKG_CHECK_MODULES([PYTHON], [python-3.6], [], [
680 PKG_CHECK_MODULES([PYTHON], [python-3.5], [], [
681 PKG_CHECK_MODULES([PYTHON], [python-3.4], [], [
682 PKG_CHECK_MODULES([PYTHON], [python-3.3], [], [
683 PKG_CHECK_MODULES([PYTHON], [python-3.2], [], [
684 PKG_CHECK_MODULES([PYTHON], [python-2.7], [], [
685 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
689 FRR_PYTHON_CHECK_WORKING([
690 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
694 AC_SUBST([PYTHON_CFLAGS])
695 AC_SUBST([PYTHON_LIBS])
698 # Logic for protobuf support.
700 if test "$enable_protobuf" = "yes"; then
701 # Check for protoc & protoc-c
703 # protoc is not required, it's only for a "be nice" helper target
704 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
706 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
707 if test "$PROTOC_C" = "/bin/false"; then
708 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
711 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
712 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
714 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [], [
715 AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])
718 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
720 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$enable_protobuf" = "xyes"])
723 # Logic for old vpn commands support.
725 if test "$enable_oldvpn_commands" = "yes"; then
726 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
730 # End of logic for protobuf support.
733 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
734 if test "${enable_rtadv}" != "no"; then
736 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
741 if test x"${enable_user}" = x"no"; then
744 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
747 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
750 if test x"${enable_group}" = x"no"; then
753 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
756 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
759 if test x"${enable_vty_group}" = x"yes" ; then
760 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
761 elif test x"${enable_vty_group}" != x""; then
762 if test x"${enable_vty_group}" != x"no"; then
763 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
766 AC_SUBST([enable_user])
767 AC_SUBST([enable_group])
768 AC_SUBST([enable_vty_group])
770 enable_configfile_mask=${enable_configfile_mask:-0600}
771 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
773 enable_logfile_mask=${enable_logfile_mask:-0600}
774 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
778 case "${enable_multipath}" in
782 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
783 MPATH_NUM="${enable_multipath}"
788 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
792 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
794 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
796 dnl --------------------
797 dnl Enable code coverage
798 dnl --------------------
799 AM_CONDITIONAL([HAVE_GCOV], [test '!' "$enable_gcov" = no])
801 dnl ------------------------------------
802 dnl Alpine only accepts numeric versions
803 dnl ------------------------------------
804 if test "x${enable_numeric_version}" != "x" ; then
805 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
806 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
809 dnl -----------------------------------
810 dnl Add extra version string to package
811 dnl name, string and version fields.
812 dnl -----------------------------------
813 if test "x${EXTRAVERSION}" != "x" ; then
814 VERSION="${VERSION}${EXTRAVERSION}"
815 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
816 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
817 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
819 AC_SUBST([EXTRAVERSION])
821 if test "x$with_pkg_git_version" = "xyes"; then
822 if test -d "${srcdir}/.git"; then
823 AC_DEFINE([GIT_VERSION], [1], [include git version info])
824 else with_pkg_git_version="no"
825 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
828 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
830 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
831 if test "x${OBJCOPY}" != "x:"; then
832 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
834 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
835 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
836 frr_cv_interp="`xargs -0 echo < conftest.interp`"
838 test -f conftest.interp && rm conftest.interp
842 if test -n "$frr_cv_interp"; then
843 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
846 dnl ------------------------------------
847 dnl Check C keywords and standard types
848 dnl ------------------------------------
859 dnl -------------------------
860 dnl Check other header files.
861 dnl -------------------------
862 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
863 linux/version.h asm/types.h \
866 ac_stdatomic_ok=false
867 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
868 AC_CHECK_HEADER([stdatomic.h],[
870 AC_MSG_CHECKING([whether _Atomic qualifier works])
871 AC_LINK_IFELSE([AC_LANG_SOURCE([[
872 #include <stdatomic.h>
873 int main(int argc, char **argv) {
878 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
886 AS_IF([$ac_stdatomic_ok], [true], [
887 AC_MSG_CHECKING([for __atomic_* builtins])
888 AC_LINK_IFELSE([AC_LANG_SOURCE([[
889 int main(int argc, char **argv) {
891 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
892 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
895 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
900 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
901 AC_MSG_CHECKING([for __sync_* builtins])
902 AC_LINK_IFELSE([AC_LANG_SOURCE([[
903 int main(int argc, char **argv) {
905 __sync_fetch_and_sub (&i, 1);
906 return __sync_val_compare_and_swap (&i, 0, 1);
909 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
912 AC_MSG_CHECKING([for __sync_swap builtin])
913 AC_LINK_IFELSE([AC_LANG_SOURCE([[
914 int main(int argc, char **argv) {
916 return __sync_swap (&i, 2);
919 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
927 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
932 AC_CHECK_HEADERS([pthread_np.h],,, [
935 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
941 AC_MSG_CHECKING([for Linux futex() support])
942 AC_LINK_IFELSE([AC_LANG_PROGRAM([
948 #include <sys/time.h>
949 #include <sys/syscall.h>
950 #include <linux/futex.h>
956 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
960 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
969 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
970 AC_LINK_IFELSE([AC_LANG_PROGRAM([
973 #include <sys/types.h>
974 #include <sys/umtx.h>
979 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
983 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
991 dnl OpenBSD patch (not upstream at the time of writing this)
992 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
993 AC_MSG_CHECKING([for OpenBSD futex() support])
994 AC_LINK_IFELSE([AC_LANG_PROGRAM([
995 #include <sys/futex.h>
1000 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1003 AC_MSG_RESULT([yes])
1004 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
1011 dnl Utility macro to avoid retyping includes all the time
1012 m4_define([FRR_INCLUDES],
1014 #define _POSIX_C_SOURCE 200809L
1015 #define __EXTENSIONS__
1020 #include <sys/types.h>
1021 /* sys/conf.h depends on param.h on FBSD at least */
1022 #include <sys/param.h>
1023 /* Required for MAXSIG */
1025 #include <sys/socket.h>
1027 # define __APPLE_USE_RFC_3542
1029 #include <netinet/in.h>
1030 #include <sys/time.h>
1035 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1036 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1037 dnl an additional round for it.
1039 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1041 m4_define([FRR_INCLUDES],
1043 [#if HAVE_NET_IF_VAR_H
1044 # include <net/if_var.h>
1048 AC_CHECK_HEADERS([netinet/in_var.h \
1049 net/if_dl.h net/netopt.h \
1050 inet/nd.h netinet/ip_icmp.h \
1051 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
1052 [], [], [FRR_INCLUDES])
1054 AC_CHECK_HEADERS([ucontext.h], [], [],
1057 #endif /* __USE_GNU */
1061 m4_define([UCONTEXT_INCLUDES],
1062 [#include <ucontext.h>])dnl
1064 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1065 [], [], [UCONTEXT_INCLUDES])
1066 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1067 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1068 [], [], [UCONTEXT_INCLUDES])],
1069 [], [UCONTEXT_INCLUDES])
1070 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1071 [], [], [UCONTEXT_INCLUDES])
1073 m4_define([FRR_INCLUDES],
1077 #include <netinet/in_systm.h>
1078 #if HAVE_NETINET_IN_VAR_H
1079 # include <netinet/in_var.h>
1081 #if HAVE_NET_IF_DL_H
1082 # include <net/if_dl.h>
1084 #if HAVE_NET_NETOPT_H
1085 # include <net/netopt.h>
1087 #include <net/route.h>
1089 # include <inet/nd.h>
1091 #include <arpa/inet.h>
1092 /* Required for IDRP */
1093 #if HAVE_NETINET_IP_ICMP_H
1094 # include <netinet/ip_icmp.h>
1098 dnl V6 headers are checked below, after we check for v6
1100 AC_MSG_CHECKING([which operating system interface to use])
1103 AC_MSG_RESULT([Solaris])
1105 AC_DEFINE([SUNOS_5], [1], [SunOS 5])
1106 AC_DEFINE([SOLARIS_IPV6], [1], Solaris IPv6)
1107 AC_DEFINE([_POSIX_C_SOURCE], [200809L], [enable POSIX.1-2008 and XPG7/SUSv4])
1109 AC_CHECK_LIB([socket], [main])
1110 AC_CHECK_LIB([nsl], [main])
1111 AC_CHECK_LIB([umem], [main])
1115 AC_MSG_RESULT([Linux])
1117 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1118 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1119 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1121 dnl Linux has a compilation problem with mixing
1122 dnl netinet/in.h and linux/in6.h they are not
1123 dnl compatible. There has been discussion on
1124 dnl how to fix it but no real progress on implementation
1125 dnl when they fix it, remove this
1126 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1129 AC_MSG_RESULT([OpenBSD])
1131 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1132 AC_DEFINE([KAME], [1], [KAME IPv6])
1133 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1135 if test "x${enable_pimd}" != "xno"; then
1140 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
1146 AC_MSG_RESULT([BSD])
1148 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1149 AC_DEFINE([KAME], [1], [KAME IPv6])
1150 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1153 AM_CONDITIONAL([SOLARIS], [test "${SOLARIS}" = "solaris"])
1157 dnl ------------------------
1158 dnl Integrated REALMS option
1159 dnl ------------------------
1160 if test "${enable_realms}" = "yes"; then
1163 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1166 echo "Sorry, only Linux has REALMS support"
1171 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
1173 dnl ---------------------
1174 dnl Integrated VTY option
1175 dnl ---------------------
1176 case "${enable_vtysh}" in
1181 AC_DEFINE([VTYSH], [1], [VTY shell])
1184 AC_CHECK_LIB([readline], [main], [
1185 LIBREADLINE="-lreadline"
1187 dnl readline failed - it might be incorrectly linked and missing its
1188 dnl termcap/tinfo/curses dependency. see if we can fix that...
1189 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1190 LIBREADLINE="$ac_cv_search_tputs"
1192 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1195 dnl re-try with the lib we found above
1196 unset ac_cv_lib_readline_main
1197 AC_CHECK_LIB([readline], [main], [
1198 LIBREADLINE="-lreadline $LIBREADLINE"
1200 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1205 AC_CHECK_HEADER([readline/history.h])
1206 if test $ac_cv_header_readline_history_h = no;then
1207 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1209 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1210 if test $ac_cv_lib_readline_rl_completion_matches = no; then
1211 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1213 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1214 if test "$frr_cv_append_history" = yes; then
1215 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1219 AC_SUBST([LIBREADLINE])
1220 AM_CONDITIONAL([VTYSH], test "x$VTYSH" = "xvtysh")
1225 dnl FRR detects the PAM library it is built against by checking for a
1226 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1227 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1228 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1229 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1232 if test "$with_libpam" = "yes"; then
1233 AC_CHECK_HEADER([security/pam_misc.h],
1234 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1235 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1236 pam_conv_func="misc_conv"
1239 AC_CHECK_HEADER([security/openpam.h],
1240 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1241 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1242 pam_conv_func="openpam_ttyconv"
1244 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1245 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1246 AC_MSG_WARN([*** pam support will not be built ***])
1251 if test "$with_libpam" = "yes"; then
1252 dnl took this test from proftpds configure.in and suited to our needs
1253 dnl -------------------------------------------------------------------------
1255 dnl This next check looks funky due to a linker problem with some versions
1256 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1257 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1258 dnl with RedHat 6.2 and Debian 2.2 or better.
1259 AC_CHECK_LIB([pam], [pam_start],
1260 [AC_CHECK_LIB([pam], [$pam_conv_func],
1261 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1263 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1264 LIBPAM="-lpam -lpam_misc"]
1268 [AC_CHECK_LIB([pam], [pam_end],
1269 [AC_CHECK_LIB([pam], [$pam_conv_func],
1270 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1271 LIBPAM="-lpam -ldl"],
1272 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1273 LIBPAM="-lpam -ldl -lpam_misc"]
1275 ],AC_MSG_WARN([*** pam support will not be built ***]),
1282 dnl -------------------------------
1283 dnl Endian-ness check
1284 dnl -------------------------------
1287 dnl -------------------------------
1288 dnl check the size in byte of the C
1289 dnl -------------------------------
1290 dnl AC_CHECK_SIZEOF(char)
1291 dnl AC_CHECK_SIZEOF(int)
1292 dnl AC_CHECK_SIZEOF(short)
1293 dnl AC_CHECK_SIZEOF(long)
1295 dnl ----------------------------
1296 dnl check existance of functions
1297 dnl ----------------------------
1303 dnl -------------------------------
1304 dnl bgpd needs pow() and hence libm
1305 dnl -------------------------------
1307 AC_CHECK_HEADER([math.h],
1308 [AC_CHECK_LIB([m], [pow],
1311 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1314 if test x"$LIBM" = x ; then
1315 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1321 AC_CHECK_FUNCS([ppoll], [
1322 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1324 AC_CHECK_FUNCS([pollts], [
1325 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1335 AC_CHECK_HEADER([asm-generic/unistd.h],
1336 [AC_CHECK_DECL(__NR_setns,
1337 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1338 FRR_INCLUDES [#include <asm-generic/unistd.h>
1340 AC_CHECK_FUNCS([setns])]
1343 dnl --------------------------
1344 dnl Determine IS-IS I/O method
1345 dnl --------------------------
1346 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1347 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1348 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1349 AC_CHECK_HEADER([net/bpf.h])
1350 AC_CHECK_HEADER([sys/dlpi.h])
1351 AC_MSG_CHECKING([zebra IS-IS I/O method])
1355 AC_MSG_RESULT([pfpacket])
1356 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1359 AC_MSG_RESULT([DLPI])
1360 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1363 if test $ac_cv_header_net_bpf_h = no; then
1364 if test $ac_cv_header_sys_dlpi_h = no; then
1365 AC_MSG_RESULT([none])
1366 if test "${enable_isisd}" = yes -o "${enable_fabricd}" = yes; then
1367 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1369 AC_MSG_WARN([*** IS-IS support will not be built ***])
1373 AC_MSG_RESULT([DLPI])
1375 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1377 AC_MSG_RESULT([BPF])
1378 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1382 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1384 dnl ---------------------------------------------------------------
1385 dnl figure out how to specify an interface in multicast sockets API
1386 dnl ---------------------------------------------------------------
1387 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1389 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1390 #include <sys/socket.h>
1391 #include <netinet/in.h>
1392 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1393 #include <linux/types.h>
1396 m4_define([FRR_INCLUDES],
1398 [#if HAVE_LINUX_MROUTE_H
1399 # include <linux/mroute.h>
1403 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1404 #include <sys/socket.h>
1405 #include <sys/types.h>
1406 #include <netinet/in.h>
1407 #include <net/route.h>
1410 m4_define([FRR_INCLUDES],
1412 [#if HAVE_NETINET_IP_MROUTE_H
1413 # include <netinet/ip_mroute.h>
1417 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1418 AC_TRY_COMPILE([#include <sys/param.h>],
1419 [#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)
1422 #error No support for BSD struct ip_mreq hack detected
1423 #endif],[AC_MSG_RESULT([yes])
1424 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1425 AC_MSG_RESULT([no]))
1427 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1429 #include <sys/types.h>
1430 #include <netinet/in.h>
1431 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1432 ], [AC_MSG_RESULT([yes])
1433 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1434 AC_MSG_RESULT([no]))
1436 dnl ---------------------------------------------------------------
1437 dnl figure out how to check link-state
1438 dnl ---------------------------------------------------------------
1439 AC_CHECK_HEADER([net/if_media.h],
1440 [m4_define([LINK_DETECT_INCLUDES],
1442 [#include <net/if_media.h>
1444 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1445 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1446 [], LINK_DETECT_INCLUDES)],
1450 dnl ---------------------------------------------------------------
1451 dnl Additional, newer way to check link-state using ifi_link_state.
1452 dnl Not available in all BSD's when ifmediareq available
1453 dnl ---------------------------------------------------------------
1454 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1455 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1458 dnl ------------------------
1459 dnl TCP_MD5SIG socket option
1460 dnl ------------------------
1462 AC_CHECK_HEADER([netinet/tcp.h],
1463 [m4_define([MD5_INCLUDES],
1465 [#include <netinet/tcp.h>
1467 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1470 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1471 AC_CHECK_HEADER([linux/tcp.h],
1472 [m4_define([MD5_INCLUDES],
1474 [#include <linux/tcp.h>
1476 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1479 dnl ----------------------------------------------------------------------------
1480 dnl figure out if domainname is available in the utsname struct (GNU extension).
1481 dnl ----------------------------------------------------------------------------
1482 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1484 dnl ------------------
1485 dnl IPv6 header checks
1486 dnl ------------------
1487 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1488 netinet6/in6_var.h netinet6/nd6.h], [], [],
1491 m4_define([FRR_INCLUDES],dnl
1493 [#if HAVE_NETINET6_IN6_H
1494 #include <netinet6/in6.h>
1496 #if HAVE_NETINET_IN6_VAR_H
1497 #include <netinet/in6_var.h>
1499 #include <netinet/icmp6.h>
1500 #if HAVE_NETINET6_IN6_VAR_H
1501 # include <netinet6/in6_var.h>
1503 #if HAVE_NETINET6_ND6_H
1504 # include <netinet6/nd6.h>
1508 dnl disable doc check
1509 AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build sphinx-build3 sphinx-build2], [/bin/false])
1510 if test "$SPHINXBUILD" = "/bin/false"; then
1511 if test "${enable_doc}" = "yes"; then
1512 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx-build is not available. Please disable docs or install sphinx.])
1515 AM_CONDITIONAL([DOC], [test "${enable_doc}" != "no" -a "$SPHINXBUILD" != "/bin/false"])
1516 AM_CONDITIONAL([DOC_HTML], [test "${enable_doc_html}" = "yes"])
1518 dnl --------------------
1519 dnl Daemon disable check
1520 dnl --------------------
1521 AM_CONDITIONAL([ZEBRA], [test "${enable_zebra}" != "no"])
1523 if test "${enable_bgpd}" = "no";then
1528 AM_CONDITIONAL([BGPD], [test "x$BGPD" = "xbgpd"])
1530 AM_CONDITIONAL([RIPD], [test "${enable_ripd}" != "no"])
1531 AM_CONDITIONAL([OSPFD], [test "${enable_ospfd}" != "no"])
1532 AM_CONDITIONAL([LDPD], [test "${enable_ldpd}" != "no"])
1534 AS_IF([test "${enable_ldpd}" != "no"], [
1535 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1538 if test "$enable_bfdd" = "no"; then
1539 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1542 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1547 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1551 AC_DEFINE([BFD_BSD], [1], [bfdd])
1556 AM_CONDITIONAL([BFDD], [test "x$BFDD" = "xbfdd"])
1558 if test "$ac_cv_lib_json_c_json_object_get" = no -a "x$BFDD" = "xbfdd"; then
1559 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1565 if test "${enable_nhrpd}" != "no"; then
1570 if test "${enable_nhrpd}" = "yes"; then
1571 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1575 AM_CONDITIONAL([NHRPD], [test "x$NHRPD" = "xnhrpd"])
1577 AM_CONDITIONAL([EIGRPD], [test "${enable_eigrpd}" != "no"])
1579 if test "${enable_watchfrr}" = "no";then
1584 AM_CONDITIONAL([WATCHFRR], [test "x$WATCHFRR" = "xwatchfrr"])
1587 if test "${enable_ospfapi}" != "no";then
1588 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1590 if test "${enable_ospfclient}" != "no";then
1591 OSPFCLIENT="ospfclient"
1595 AM_CONDITIONAL([OSPFCLIENT], [test "x$OSPFCLIENT" = "xospfclient"])
1596 AM_CONDITIONAL([RIPNGD], [test "${enable_ripngd}" != "no"])
1597 AM_CONDITIONAL([BABELD], [test "${enable_babeld}" != "no"])
1598 AM_CONDITIONAL([OSPF6D], [test "${enable_ospf6d}" != "no"])
1599 AM_CONDITIONAL([ISISD], [test "${enable_isisd}" != "no"])
1600 AM_CONDITIONAL([PIMD], [test "${enable_pimd}" != "no"])
1601 AM_CONDITIONAL([PBRD], [test "${enable_pbrd}" != "no"])
1602 AM_CONDITIONAL([SHARPD], [test "${enable_sharpd}" = "yes"])
1603 AM_CONDITIONAL([STATICD], [test "${enable_staticd}" != "no"])
1604 AM_CONDITIONAL([FABRICD], [test "${enable_fabricd}" != "no"])
1605 AM_CONDITIONAL([VRRPD], [test "${enable_vrrpd}" != "no"])
1607 if test "${enable_bgp_announce}" = "no";then
1608 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1610 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1613 if test "${enable_bgp_vnc}" != "no";then
1614 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1616 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1619 AC_CHECK_LIB([crypt], [crypt], [],
1620 [AC_CHECK_LIB([crypto], [DES_crypt])])
1621 AC_CHECK_LIB([resolv], [res_init])
1623 dnl ---------------------------
1624 dnl check system has PCRE regexp
1625 dnl ---------------------------
1626 if test "x$enable_pcreposix" = "xyes"; then
1627 AC_CHECK_LIB([pcreposix], [regexec], [], [
1628 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1631 AC_SUBST([HAVE_LIBPCREPOSIX])
1633 dnl ------------------
1634 dnl check C-Ares library
1635 dnl ------------------
1636 if test "${NHRPD}" != ""; then
1637 PKG_CHECK_MODULES([CARES], [libcares], ,[
1638 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1643 dnl ------------------
1644 dnl check Net-SNMP library
1645 dnl ------------------
1646 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1647 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1648 if test x"$NETSNMP_CONFIG" = x"no"; then
1649 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1651 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1652 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1653 # net-snmp lists all of its own dependencies. we absolutely do not want that
1654 # among other things we avoid a GPL vs. OpenSSL license conflict here
1655 for removelib in crypto ssl sensors pci wrap; do
1656 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1658 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1659 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1667 AC_MSG_ERROR([--enable-snmp given but not usable])])
1668 case "${enable_snmp}" in
1673 SNMP_METHOD="${enable_snmp}"
1676 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1679 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1680 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1682 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1683 AC_SUBST([SNMP_LIBS])
1684 AC_SUBST([SNMP_CFLAGS])
1689 PKG_CHECK_MODULES([LIBYANG], [libyang >= 0.16.7], , [
1690 AC_MSG_ERROR([libyang (>= 0.16.7) was not found on your system.])
1692 ac_cflags_save="$CFLAGS"
1693 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1694 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1695 AC_MSG_ERROR([m4_normalize([
1696 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1697 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1699 ], [[#include <libyang/libyang.h>]])
1700 CFLAGS="$ac_cflags_save"
1703 dnl configuration rollbacks
1706 if test "$enable_config_rollbacks" = "yes"; then
1707 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1708 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1709 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1712 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1715 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
1720 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1721 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1722 if test "x$CONFD" = "x/bin/false"; then
1723 AC_MSG_ERROR([confd was not found on your system.])]
1725 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1726 AC_SUBST([CONFD_CFLAGS])
1727 CONFD_LIBS="-lconfd"
1728 AC_SUBST([CONFD_LIBS])
1729 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1731 AM_CONDITIONAL([CONFD], [test "x$enable_confd" != "x"])
1736 if test "$enable_sysrepo" = "yes"; then
1737 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1738 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1741 AC_MSG_ERROR([sysrepo was not found on your system.])]
1744 AM_CONDITIONAL([SYSREPO], [test "x$enable_sysrepo" = "xyes"])
1749 if test "$enable_grpc" = "yes"; then
1750 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1751 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1752 if test "$PROTOC" = "/bin/false"; then
1753 AC_MSG_FAILURE([grpc requested but protoc not found.])
1756 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1760 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1763 AM_CONDITIONAL([GRPC], [test "x$enable_grpc" = "xyes"])
1768 AC_SEARCH_LIBS([sqrt], [m])
1773 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1774 AC_MSG_ERROR([unable to find the dlopen()])
1777 AC_CHECK_HEADERS([link.h])
1779 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1780 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1788 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1790 frr_cv_rtld_di_origin=yes
1792 frr_cv_rtld_di_origin=no
1795 if test "$frr_cv_rtld_di_origin" = yes; then
1796 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1799 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1800 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1807 struct link_map *lm = NULL;
1808 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1810 frr_cv_rtld_di_linkmap=yes
1812 frr_cv_rtld_di_linkmap=no
1815 if test "$frr_cv_rtld_di_linkmap" = yes; then
1816 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1819 AM_CONDITIONAL([SNMP], [test "x$SNMP_METHOD" = "xagentx"])
1821 dnl ---------------------------
1822 dnl sockaddr and netinet checks
1823 dnl ---------------------------
1826 struct vifctl, struct mfcctl, struct sioc_sg_req,
1827 vifi_t, struct sioc_vif_req, struct igmpmsg,
1828 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1829 struct nd_opt_adv_interval, struct rt_addrinfo,
1830 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1831 struct nd_opt_rdnss, struct nd_opt_dnssl],
1832 [], [], FRR_INCLUDES)
1834 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1835 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1836 struct sockaddr_dl.sdl_len,
1837 struct if6_aliasreq.ifra_lifetime,
1838 struct nd_opt_adv_interval.nd_opt_ai_type],
1839 [], [], FRR_INCLUDES)
1841 dnl ---------------------------
1842 dnl IRDP/pktinfo/icmphdr checks
1843 dnl ---------------------------
1845 AC_CHECK_TYPES([struct in_pktinfo], [
1846 AC_CHECK_TYPES([struct icmphdr], [
1855 case "${enable_irdp}" in
1857 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1864 AM_CONDITIONAL([IRDP], [$IRDP])
1866 dnl -----------------------
1867 dnl checking for IP_PKTINFO
1868 dnl -----------------------
1869 AC_MSG_CHECKING([for IP_PKTINFO])
1870 AC_TRY_COMPILE([#include <netdb.h>], [
1871 int opt = IP_PKTINFO;
1873 AC_MSG_RESULT([yes])
1874 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
1879 dnl ---------------------------
1880 dnl checking for IP_RECVDSTADDR
1881 dnl ---------------------------
1882 AC_MSG_CHECKING([for IP_RECVDSTADDR])
1883 AC_TRY_COMPILE([#include <netinet/in.h>], [
1884 int opt = IP_RECVDSTADDR;
1886 AC_MSG_RESULT([yes])
1887 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
1892 dnl ----------------------
1893 dnl checking for IP_RECVIF
1894 dnl ----------------------
1895 AC_MSG_CHECKING([for IP_RECVIF])
1896 AC_TRY_COMPILE([#include <netinet/in.h>], [
1897 int opt = IP_RECVIF;
1899 AC_MSG_RESULT([yes])
1900 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
1905 dnl ----------------------
1906 dnl checking for SO_BINDANY
1907 dnl ----------------------
1908 AC_MSG_CHECKING([for SO_BINDANY])
1909 AC_TRY_COMPILE([#include <sys/socket.h>], [
1910 int opt = SO_BINDANY;
1912 AC_MSG_RESULT([yes])
1913 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
1918 dnl ----------------------
1919 dnl checking for IP_FREEBIND
1920 dnl ----------------------
1921 AC_MSG_CHECKING([for IP_FREEBIND])
1922 AC_TRY_COMPILE([#include <netinet/in.h>], [
1923 int opt = IP_FREEBIND;
1925 AC_MSG_RESULT([yes])
1926 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
1931 dnl --------------------------------------
1932 dnl checking for be32dec existence or not
1933 dnl --------------------------------------
1934 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1935 [#include <sys/endian.h>])
1937 dnl --------------------------------------
1938 dnl checking for clock_time monotonic struct and call
1939 dnl --------------------------------------
1940 AC_CHECK_DECL([CLOCK_MONOTONIC],
1941 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
1942 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
1943 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
1945 dnl --------------------------------------
1946 dnl checking for flex and bison
1947 dnl --------------------------------------
1950 AC_MSG_CHECKING([version of flex])
1951 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1952 frr_ac_flex_version="${frr_ac_flex_version##* }"
1953 AC_MSG_RESULT([$frr_ac_flex_version])
1954 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1955 LEX="$SHELL $missing_dir/missing flex"
1956 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1957 AC_MSG_WARN([using pregenerated flex output files])
1959 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1961 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1962 AC_SUBST([LEXLIB], [''])
1966 dnl thanks GNU bison for this b*llshit...
1967 AC_MSG_CHECKING([version of bison])
1968 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1969 frr_ac_bison_version="${frr_ac_bison_version##* }"
1970 frr_ac_bison_missing="false"
1971 case "x${frr_ac_bison_version}" in
1974 BISON_CLOSEBRACE='"'
1976 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1979 AC_MSG_RESULT([$frr_ac_bison_version])
1980 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1981 frr_ac_bison_missing="true"
1984 AC_MSG_RESULT([none])
1985 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1986 frr_ac_bison_missing="true"
1990 BISON_CLOSEBRACE='}'
1991 BISON_VERBOSE='-Dparse.error=verbose'
1992 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1995 AC_SUBST([BISON_OPENBRACE])
1996 AC_SUBST([BISON_CLOSEBRACE])
1997 AC_SUBST([BISON_VERBOSE])
1999 if $frr_ac_bison_missing; then
2000 YACC="$SHELL $missing_dir/missing bison -y"
2001 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2002 AC_MSG_WARN([using pregenerated bison output files])
2004 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2008 dnl -------------------
2009 dnl capabilities checks
2010 dnl -------------------
2011 if test "${enable_capabilities}" != "no"; then
2012 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2013 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2014 [AC_MSG_RESULT([yes])
2015 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2016 frr_ac_keepcaps="yes"],
2019 if test x"${frr_ac_keepcaps}" = x"yes"; then
2020 AC_CHECK_HEADERS([sys/capability.h])
2022 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
2023 AC_CHECK_LIB([cap], [cap_init],
2024 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2029 AC_CHECK_HEADERS([priv.h],
2030 [AC_MSG_CHECKING([Solaris style privileges are available])
2031 AC_TRY_COMPILE([#include <priv.h>], [getpflags(PRIV_AWARE);],
2032 [AC_MSG_RESULT([yes])
2033 AC_DEFINE([HAVE_SOLARIS_CAPABILITIES], [1], [getpflags])
2034 frr_ac_scaps="yes"],
2040 if test x"${frr_ac_scaps}" = x"yes" \
2041 -o x"${frr_ac_lcaps}" = x"yes"; then
2042 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2047 dnl ---------------------------
2048 dnl check for glibc 'backtrace'
2049 dnl ---------------------------
2050 if test x"${enable_backtrace}" != x"no" ; then
2052 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2053 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2058 AC_CHECK_FUNCS([printstack], [
2059 AC_DEFINE([HAVE_PRINTSTACK], [1], [Solaris printstack])
2064 if test "$backtrace_ok" = no; then
2065 AC_CHECK_HEADER([execinfo.h], [
2066 AC_SEARCH_LIBS([backtrace], [execinfo], [
2067 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2074 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
2075 dnl user explicitly requested backtrace but we failed to find support
2076 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2080 dnl -----------------------------------------
2081 dnl check for malloc mallinfo struct and call
2082 dnl this must try and link using LIBS, in
2083 dnl order to check no alternative allocator
2084 dnl has been specified, which might not provide
2085 dnl mallinfo, e.g. such as Umem on Solaris.
2086 dnl -----------------------------------------
2087 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2089 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2090 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2091 #ifdef HAVE_MALLOC_H
2094 #ifdef HAVE_MALLOC_NP_H
2095 #include <malloc_np.h>
2097 #ifdef HAVE_MALLOC_MALLOC_H
2098 #include <malloc/malloc.h>
2101 struct mallinfo ac_x; ac_x = mallinfo ();
2108 if test "$frr_cv_mallinfo" = yes; then
2109 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2112 AC_MSG_CHECKING([whether malloc_usable_size is available])
2113 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2114 #ifdef HAVE_MALLOC_H
2117 #ifdef HAVE_MALLOC_MALLOC_H
2118 #include <malloc/malloc.h>
2121 size_t ac_x; ac_x = malloc_usable_size(NULL);
2123 AC_MSG_RESULT([yes])
2124 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2128 AC_MSG_CHECKING([whether malloc_size is available])
2129 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2130 #ifdef HAVE_MALLOC_H
2133 #ifdef HAVE_MALLOC_MALLOC_H
2134 #include <malloc/malloc.h>
2137 size_t ac_x; ac_x = malloc_size(NULL);
2139 AC_MSG_RESULT([yes])
2140 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2149 if test "x$enable_zeromq" != "xno"; then
2150 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
2151 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
2154 if test "x$enable_zeromq" = "xyes"; then
2155 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
2159 AM_CONDITIONAL([ZEROMQ], [test "x$ZEROMQ" = "xtrue"])
2164 dev_version=`echo $VERSION | grep dev`
2165 #don't expire deprecated code in non 'dev' branch
2166 if test "${dev_version}" = ""; then
2169 CONFDATE=`date '+%Y%m%d'`
2171 AC_SUBST([CONFDATE])
2173 dnl ------------------------------
2174 dnl set paths for state directory
2175 dnl ------------------------------
2176 AC_MSG_CHECKING([directory to use for state file])
2177 if test "${prefix}" = "NONE"; then
2178 frr_statedir_prefix="";
2180 frr_statedir_prefix=${prefix}
2182 if test "${localstatedir}" = '${prefix}/var'; then
2183 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2184 ${frr_statedir_prefix}/var/adm dnl
2185 ${frr_statedir_prefix}/etc dnl
2191 test -d $FRR_STATE_DIR && break
2193 frr_statedir=$FRR_STATE_DIR
2195 frr_statedir=${localstatedir}
2197 if test $frr_statedir = "/dev/null"; then
2198 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2200 AC_MSG_RESULT([${frr_statedir}])
2201 AC_SUBST([frr_statedir])
2203 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir/ldpd.sock"], [ldpd control socket])
2204 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir/zserv.api"], [zebra api socket])
2205 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir/bfdd.sock"], [bfdd control socket])
2206 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir"], [daemon vty directory])
2207 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2209 dnl autoconf does this, but it does it too late...
2210 test "x$prefix" = xNONE && prefix=$ac_default_prefix
2211 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2213 dnl get the full path, recursing through variables...
2214 vtysh_bin="$bindir/vtysh"
2215 for I in 1 2 3 4 5 6 7 8 9 10; do
2216 eval vtysh_bin="\"$vtysh_bin\""
2218 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2219 AC_SUBST([vtysh_bin])
2221 CFG_SYSCONF="$sysconfdir"
2223 CFG_STATE="$frr_statedir"
2224 CFG_MODULE="$moduledir"
2225 CFG_YANGMODELS="$yangmodelsdir"
2226 CFG_LIBYANG_PLUGINS="$libyang_pluginsdir"
2227 for I in 1 2 3 4 5 6 7 8 9 10; do
2228 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2229 eval CFG_SBIN="\"$CFG_SBIN\""
2230 eval CFG_STATE="\"$CFG_STATE\""
2231 eval CFG_MODULE="\"$CFG_MODULE\""
2232 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2233 eval CFG_LIBYANG_PLUGINS="\"$CFG_LIBYANG_PLUGINS\""
2235 AC_SUBST([CFG_SYSCONF])
2236 AC_SUBST([CFG_SBIN])
2237 AC_SUBST([CFG_STATE])
2238 AC_SUBST([CFG_MODULE])
2239 AC_SUBST([CFG_YANGMODELS])
2240 AC_SUBST([CFG_LIBYANG_PLUGINS])
2241 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2242 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2243 AC_DEFINE_UNQUOTED([LIBYANG_PLUGINS_PATH], ["$CFG_LIBYANG_PLUGINS"], [path to libyang plugins])
2244 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2246 dnl ------------------------------------
2247 dnl Enable RPKI and add librtr to libs
2248 dnl ------------------------------------
2249 if test "${enable_rpki}" = "yes"; then
2250 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
2253 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
2256 AM_CONDITIONAL([RPKI], [test "x$RPKI" = "xtrue"])
2258 dnl ------------------------------------------
2259 dnl Check whether rtrlib was build with ssh support
2260 dnl ------------------------------------------
2261 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
2262 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
2263 [[struct tr_ssh_config config;]])],
2264 [AC_MSG_RESULT([yes])
2265 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
2269 dnl ---------------------------
2270 dnl Check htonl works correctly
2271 dnl ---------------------------
2272 AC_MSG_CHECKING([for working htonl])
2273 AC_CACHE_VAL(ac_cv_htonl_works,
2274 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
2275 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
2278 AC_MSG_RESULT([$ac_cv_htonl_works])
2280 AC_CONFIG_FILES([Makefile],[sed -e 's/^#AUTODERP# //' -i Makefile])
2288 snapcraft/snapcraft.yaml
2290 tests/lib/cli/test_cli.refout
2291 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2292 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2295 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2296 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2297 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2298 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2299 AC_CONFIG_FILES([tools/frrcommon.sh])
2301 AC_CONFIG_COMMANDS([lib/route_types.h], [
2302 dst="${ac_abs_top_builddir}/lib/route_types.h"
2303 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2304 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2307 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2308 && rm "${dst}.tmp" \
2309 || mv "${dst}.tmp" "${dst}"
2314 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
2315 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2316 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2317 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2318 "${ac_abs_top_srcdir}" \
2321 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2322 && rm "${dst}.tmp" \
2323 || mv "${dst}.tmp" "${dst}"
2329 ## Hack, but working solution to avoid rebuilding of frr.info.
2330 ## It's already in CVS until texinfo 4.7 is more common.
2334 FRRouting configuration
2335 ------------------------------
2336 FRR version : ${PACKAGE_VERSION}
2337 host operating system : ${host_os}
2338 source code location : ${srcdir}
2340 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2342 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2343 state file directory : ${frr_statedir}
2344 config file directory : `eval echo \`echo ${sysconfdir}\``
2345 example directory : `eval echo \`echo ${exampledir}\``
2346 module directory : ${CFG_MODULE}
2347 user to run as : ${enable_user}
2348 group to run as : ${enable_group}
2349 group for vty sockets : ${enable_vty_group}
2350 config file mask : ${enable_configfile_mask}
2351 log file mask : ${enable_logfile_mask}
2352 zebra protobuf enabled : ${enable_protobuf:-no}
2354 The above user and group must have read/write access to the state file
2355 directory and to the config files in the config file directory."
2357 if test "${enable_doc}" != "no";then
2358 AS_IF([test "$SPHINXBUILD" = /bin/false],
2359 AC_MSG_WARN([sphinx-build is missing but required to build documentation]))