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], [7.6-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 $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`"
17 AC_SUBST([CONFIG_ARGS])
19 AC_CONFIG_SRCDIR([lib/zebra.h])
20 AC_CONFIG_MACRO_DIR([m4])
22 dnl -----------------------------------
23 dnl Get hostname and other information.
24 dnl -----------------------------------
28 hosttools_clippy="false"
31 dnl case 1: external clippy
32 if test -n "$with_clippy" -a "$with_clippy" != "no" -a "$with_clippy" != "yes"; then
33 if test "$enable_clippy_only" = "yes"; then
34 AC_MSG_ERROR([--enable-clippy-only does not make sense with --with-clippy])
39 if test ! -x "$with_clippy"; then
40 AC_MSG_ERROR([clippy tool ($with_clippy) is not executable])
43 dnl case 2: cross-compiling internal clippy
44 elif test "$host" != "$build"; then
45 if test "$srcdir" = "."; then
46 AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir or by building clippy separately and using the --with-clippy option. create a separate directory and run as .../path-to-frr/configure.])
48 test -d hosttools || mkdir hosttools
49 abssrc="`cd \"${srcdir}\"; pwd`"
52 AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
53 AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
57 for var in $ac_precious_vars; do
60 YACC|YFLAGS) continue;;
61 PYTHON*) retain=true;;
65 eval "hostvar=\"\${HOST_$var}\""
66 eval "targetvar=\"\${$var}\""
67 if test -n "$hostvar"; then
68 eval "$var='$hostvar'"
69 _AS_ECHO_LOG([host $var='$hostvar'])
71 _AS_ECHO_LOG([host retain $var='$targetvar'])
74 _AS_ECHO_LOG([host unset $var])
78 "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"
82 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
86 hosttools_clippy="true"
87 CLIPPY="hosttools/lib/clippy"
89 dnl case 3: normal build internal clippy
91 CLIPPY="lib/clippy\$(EXEEXT)"
94 AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
95 AM_CONDITIONAL([HOSTTOOLS_CLIPPY], [$hosttools_clippy])
96 AM_CONDITIONAL([ONLY_CLIPPY], [test "$enable_clippy_only" = "yes"])
98 # Disable portability warnings -- our automake code (in particular
99 # common.am) uses some constructs specific to gmake.
100 AM_INIT_AUTOMAKE([1.12 -Wno-portability foreign])
101 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
102 AM_SILENT_RULES([yes])
103 AC_CONFIG_HEADERS([config.h])
105 AC_PATH_PROG([PERL], [perl])
108 dnl default is to match previous behavior
109 exampledir=${sysconfdir}
110 AC_ARG_ENABLE([exampledir],
111 AS_HELP_STRING([--enable-exampledir],
112 [specify alternate directory for examples]),
113 exampledir="$enableval",)
114 dnl XXX add --exampledir to autoconf standard directory list somehow
115 AC_SUBST([exampledir])
117 dnl default is to match previous behavior
119 AC_ARG_ENABLE([pkgsrcrcdir],
120 AS_HELP_STRING([--enable-pkgsrcrcdir],
121 [specify directory for rc.d scripts]),
122 pkgsrcrcdir="$enableval",)
123 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
124 AC_SUBST([pkgsrcrcdir])
125 AM_CONDITIONAL([PKGSRC], [test "$pkgsrcrcdir" != ""])
127 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
130 moduledir="\${libdir}/frr/modules"
132 AC_SUBST([moduledir], [$moduledir])
135 AC_ARG_WITH([yangmodelsdir], [AS_HELP_STRING([--with-yangmodelsdir=DIR], [yang models directory (${datarootdir}/yang)])], [
136 yangmodelsdir="$withval"
138 yangmodelsdir="\${datarootdir}/yang"
140 AC_SUBST([yangmodelsdir])
142 AC_ARG_WITH([vici-socket], [AS_HELP_STRING([--with-vici-socket=PATH], [vici-socket (/var/run/charon.vici)])], [
143 vici_socket="$withval"
145 vici_socket="/var/run/charon.vici"
147 AC_DEFINE_UNQUOTED([VICI_SOCKET], ["$vici_socket"], [StrongSWAN vici socket path])
149 AC_ARG_ENABLE(tcmalloc,
150 AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
151 [case "${enableval}" in
152 yes) tcmalloc_enabled=true
153 LIBS="$LIBS -ltcmalloc_minimal"
155 no) tcmalloc_enabled=false ;;
156 *) AC_MSG_ERROR([bad value ${enableval} for --enable-tcmalloc]) ;;
157 esac],[tcmalloc_enabled=false])
160 dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
161 dnl flag determination logic.
164 dnl --------------------
165 dnl Check CC and friends
166 dnl --------------------
167 dnl note orig_cflags is also used further down
168 orig_cflags="$CFLAGS"
169 orig_cxxflags="$CXXFLAGS"
175 dnl remove autoconf default "-g -O2"
176 CFLAGS="$orig_cflags"
177 CXXFLAGS="$orig_cxxflags"
179 dnl NB: see C11 below
183 dnl it's 2019, sed is sed.
187 dnl try and enable CFLAGS that are useful for FRR
188 dnl - specifically, options to control warnings
190 AC_USE_SYSTEM_EXTENSIONS
191 AC_DEFUN([AC_C_FLAG], [{
192 m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-+/{}$],[________])])
193 AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [
195 ac_c_flag_save="$CFLAGS"
198 [AC_LANG_PROGRAM([[$4]])],
204 CFLAGS="$ac_c_flag_save"
207 if test "$cachename" = "yes"; then
208 m4_if([$3], [], [CFLAGS="$CFLAGS $1"], [$3])
213 m4_popdef([cachename])
216 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
218 ac_cflags_save="$CFLAGS"
225 CFLAGS="$ac_cflags_save"
231 CFLAGS="$ac_cflags_save"
240 dnl ICC won't bail on unknown options without -diag-error 10006
241 dnl need to do this first so we get useful results for the other options
242 AC_C_FLAG([-diag-error 10006])
244 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
246 CC="${CC% -std=gnu99}"
249 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
251 dnl if the user has specified any CFLAGS, override our settings
252 if test "$enable_gcov" = "yes"; then
253 if test "$orig_cflags" = ""; then
254 AC_C_FLAG([-coverage])
258 LDFLAGS="${LDFLAGS} -lgcov"
261 if test "$enable_clang_coverage" = "yes"; then
262 AC_C_FLAG([-fprofile-instr-generate], [
263 AC_MSG_ERROR([$CC does not support -fprofile-instr-generate.])
265 AC_C_FLAG([-fcoverage-mapping], [
266 AC_MSG_ERROR([$CC does not support -fcoverage-mapping.])
270 if test "$enable_dev_build" = "yes"; then
271 AC_DEFINE([DEV_BUILD], [1], [Build for development])
272 if test "$orig_cflags" = ""; then
276 if test "$enable_lua" = "yes"; then
280 AC_DEFINE([HAVE_LUA], [1], [Have support for Lua interpreter])
281 LIBS="$LIBS $LUA_LIB"
285 if test "$enable_lua" = "yes"; then
286 AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
288 if test "$orig_cflags" = ""; then
293 AM_CONDITIONAL([DEV_BUILD], [test "$enable_dev_build" = "yes"])
295 dnl always want these CFLAGS
296 AC_C_FLAG([-fno-omit-frame-pointer])
297 AC_C_FLAG([-funwind-tables])
300 AC_C_FLAG([-Wmissing-prototypes])
301 AC_C_FLAG([-Wmissing-declarations])
302 AC_C_FLAG([-Wpointer-arith])
303 AC_C_FLAG([-Wbad-function-cast])
304 AC_C_FLAG([-Wwrite-strings])
306 if test "$enable_gcc_ultra_verbose" = "yes" ; then
307 AC_C_FLAG([-Wcast-qual])
308 AC_C_FLAG([-Wstrict-prototypes])
309 AC_C_FLAG([-Wmissing-noreturn])
310 AC_C_FLAG([-Wmissing-format-attribute])
311 AC_C_FLAG([-Wunreachable-code])
312 AC_C_FLAG([-Wpacked])
313 AC_C_FLAG([-Wpadded])
314 AC_C_FLAG([-Wshadow])
316 AC_C_FLAG([-Wno-unused-result])
318 AC_C_FLAG([-Wno-unused-parameter])
319 AC_C_FLAG([-Wno-missing-field-initializers])
321 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
322 AC_SUBST([CXX_COMPAT_CFLAGS])
324 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
325 dnl for some reason the string consts get 'promoted' to char *,
326 dnl triggering a const to non-const conversion warning.
327 AC_C_FLAG([-diag-disable 3179])
329 if test "$enable_werror" = "yes" ; then
335 if test "$enable_address_sanitizer" = "yes"; then
336 AC_C_FLAG([-fsanitize=address], [
337 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
339 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
342 if test "$enable_thread_sanitizer" = "yes"; then
343 AC_C_FLAG([-fsanitize=thread], [
344 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
346 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
349 if test "$enable_memory_sanitizer" = "yes"; then
350 AC_C_FLAG([-fsanitize=memory -fPIE -pie], [
351 AC_MSG_ERROR([$CC does not support Memory Sanitizer.])
353 SAN_FLAGS="$SAN_FLAGS -fsanitize=memory -fPIE -pie"
356 if test "$enable_undefined_sanitizer" = "yes"; then
357 AC_C_FLAG([-fsanitize=undefined], [
358 AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.])
360 SAN_FLAGS="$SAN_FLAGS -fsanitize=undefined"
363 AC_SUBST([SAN_FLAGS])
366 if test "$with_frr_format" != "no" -a "$with_frr_format" != "yes" -a -n "$with_frr_format"; then
367 AC_C_FLAG([-fplugin=${with_frr_format}], [
368 AC_MSG_ERROR([specified frr-format plugin ($with_frr_format) does not work])
370 #ifndef _FRR_ATTRIBUTE_PRINTFRR
371 #error plugin not loaded
373 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
374 #error plugin too old
377 elif test "$with_frr_format" = "no"; then
380 AC_C_FLAG([-fplugin=tools/gcc-plugins/frr-format.so],[
381 AC_C_FLAG([-fplugin=frr-format],[
382 if test "$with_frr_format" = "yes"; then
383 AC_MSG_ERROR([frr-format plugin requested but not found])
386 #ifndef _FRR_ATTRIBUTE_PRINTFRR
387 #error plugin not loaded
389 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
390 #error plugin too old
394 #ifndef _FRR_ATTRIBUTE_PRINTFRR
395 #error plugin not loaded
397 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
398 #error plugin too old
409 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
410 LIBS="$PTHREAD_LIBS $LIBS"
412 AC_MSG_FAILURE([This FRR version needs pthreads])
415 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
416 [frr_cv_pthread_condattr_setclock=yes],
417 [frr_cv_pthread_condattr_setclock=no])
418 if test "$frr_cv_pthread_condattr_setclock" = "yes"; then
419 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
427 AC_CHECK_TOOL([AR], [ar])
432 AC_ARG_ENABLE([static-bin],
433 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
436 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
437 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
438 sed -e 's%func_warning "relinking%true #\0%' -i libtool || true
439 sed -e 's%func_warning "remember to run%true #\0%' -i libtool || true
440 sed -e 's%func_warning ".*has not been installed in%true #\0%' -i libtool || true
442 if test "$enable_static_bin" = "yes"; then
444 if test "$enable_static" != "yes"; then
445 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
448 if test "$enable_shared" != "yes"; then
449 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
451 AC_SUBST([AC_LDFLAGS])
452 AM_CONDITIONAL([STATIC_BIN], [test "$enable_static_bin" = "yes"])
454 dnl $AR and $RANLIB are set by LT_INIT above
455 AC_MSG_CHECKING([whether $AR supports D option])
456 if $AR crD conftest.a >/dev/null 2>/dev/null; then
458 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
469 AC_MSG_CHECKING([whether $RANLIB supports D option])
470 if $RANLIB -D conftest.a >conftest.err 2>&1; then
471 if grep -q -- '-D' conftest.err; then
482 test -f conftest.err && rm conftest.err
483 test -f conftest.a && rm conftest.a
485 dnl ----------------------
486 dnl Packages configuration
487 dnl ----------------------
488 if test -f config.version; then
490 elif test -f "${srcdir}/config.version"; then
491 . "${srcdir}/config.version"
493 AC_ARG_WITH([pkg-extra-version],
494 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
495 if test "$withval" = "no"; then
498 EXTRAVERSION=$withval
501 AC_ARG_WITH([pkg-git-version],
502 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
503 [ test "$withval" != "no" && with_pkg_git_version="yes" ])
504 AC_ARG_WITH([clippy],
505 AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program]))
506 AC_ARG_WITH([vtysh_pager],
507 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
508 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
509 AC_ARG_ENABLE([vtysh],
510 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
512 AS_HELP_STRING([--disable-doc], [do not build docs]))
513 AC_ARG_ENABLE([doc-html],
514 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
515 AC_ARG_ENABLE([zebra],
516 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
517 AC_ARG_ENABLE([bgpd],
518 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
519 AC_ARG_ENABLE([ripd],
520 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
521 AC_ARG_ENABLE([ripngd],
522 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
523 AC_ARG_ENABLE([ospfd],
524 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
525 AC_ARG_ENABLE([ospf6d],
526 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
527 AC_ARG_ENABLE([ldpd],
528 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
529 AC_ARG_ENABLE([nhrpd],
530 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
531 AC_ARG_ENABLE([eigrpd],
532 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
533 AC_ARG_ENABLE([babeld],
534 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
535 AC_ARG_ENABLE([watchfrr],
536 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
537 AC_ARG_ENABLE([isisd],
538 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
539 AC_ARG_ENABLE([pimd],
540 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
541 AC_ARG_ENABLE([pbrd],
542 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
543 AC_ARG_ENABLE([sharpd],
544 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
545 AC_ARG_ENABLE([staticd],
546 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
547 AC_ARG_ENABLE([fabricd],
548 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
549 AC_ARG_ENABLE([vrrpd],
550 AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
551 AC_ARG_ENABLE([bgp-announce],
552 AS_HELP_STRING([--disable-bgp-announce], [turn off BGP route announcement]))
553 AC_ARG_ENABLE([bgp-vnc],
554 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
555 AC_ARG_ENABLE([bgp-bmp],
556 AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support]))
557 AC_ARG_ENABLE([snmp],
558 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
559 AC_ARG_ENABLE([config_rollbacks],
560 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
561 AC_ARG_ENABLE([confd],
562 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
563 AC_ARG_ENABLE([sysrepo],
564 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
565 AC_ARG_ENABLE([grpc],
566 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
567 AC_ARG_ENABLE([zeromq],
568 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
569 AC_ARG_WITH([libpam],
570 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
571 AC_ARG_ENABLE([ospfapi],
572 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
573 AC_ARG_ENABLE([ospfclient],
574 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
575 (this is the default if --disable-ospfapi is set)]))
576 AC_ARG_ENABLE([multipath],
577 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
578 AC_ARG_ENABLE([user],
579 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
580 AC_ARG_ENABLE([group],
581 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
582 AC_ARG_ENABLE([vty_group],
583 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
584 AC_ARG_ENABLE([configfile_mask],
585 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
586 AC_ARG_ENABLE([logfile_mask],
587 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
588 AC_ARG_ENABLE([shell_access],
589 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
590 AC_ARG_ENABLE([realms],
591 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
592 AC_ARG_ENABLE([rtadv],
593 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
594 AC_ARG_ENABLE([irdp],
595 AS_HELP_STRING([--disable-irdp], [disable IRDP server support in zebra (enabled by default if supported)]))
596 AC_ARG_ENABLE([capabilities],
597 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
598 AC_ARG_ENABLE([rusage],
599 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
600 AC_ARG_ENABLE([gcc_ultra_verbose],
601 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
602 AC_ARG_ENABLE([backtrace],
603 AS_HELP_STRING([--disable-backtrace], [disable crash backtraces (default autodetect)]))
604 AC_ARG_ENABLE([time-check],
605 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
606 AC_ARG_ENABLE([cpu-time],
607 AS_HELP_STRING([--disable-cpu-time], [disable cpu usage data gathering]))
608 AC_ARG_ENABLE([pcreposix],
609 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
611 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
612 AC_ARG_ENABLE([systemd],
613 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
614 AC_ARG_ENABLE([werror],
615 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
616 AC_ARG_ENABLE([cumulus],
617 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
618 AC_ARG_ENABLE([datacenter],
619 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
620 AC_ARG_ENABLE([rr-semantics],
621 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
622 AC_ARG_ENABLE([protobuf],
623 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
624 AC_ARG_ENABLE([oldvpn_commands],
625 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
626 AC_ARG_ENABLE([rpki],
627 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
628 AC_ARG_ENABLE([clippy-only],
629 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
630 AC_ARG_ENABLE([numeric_version],
631 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
632 AC_ARG_ENABLE([gcov],
633 AS_HELP_STRING([--enable-gcov], [Collect coverage information with gcov]))
634 AC_ARG_ENABLE([clang_coverage],
635 AS_HELP_STRING([--enable-clang-coverage], [Collect coverage information with Clang Coverage]))
636 AC_ARG_ENABLE([bfdd],
637 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
638 AC_ARG_ENABLE([address-sanitizer],
639 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
640 AC_ARG_ENABLE([thread-sanitizer],
641 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
642 AC_ARG_ENABLE([memory-sanitizer],
643 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
644 AC_ARG_ENABLE([undefined-sanitizer],
645 AS_HELP_STRING([--undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior]))
646 AC_ARG_WITH([crypto],
647 AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))
648 AC_ARG_WITH([frr-format],
649 AS_HELP_STRING([--with-frr-format[=<.../frr-format.so>]], [use frr-format GCC plugin]))
651 AC_ARG_ENABLE([version-build-config],
652 AS_HELP_STRING([--disable-version-build-config], [do not include build configs in show version command]))
654 #if openssl, else use the internal
655 AS_IF([test "$with_crypto" = "openssl"], [
656 AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], [])
657 if test "$ac_cv_lib_crypto_EVP_DigestInit" = "no"; then
658 AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system])
660 AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support])
662 ], [test "$with_crypto" = "internal" || test "$with_crypto" = "" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation])
663 ], [AC_MSG_ERROR([Unknown value for --with-crypto])]
666 AS_IF([test "$enable_clippy_only" != "yes"], [
667 AC_CHECK_HEADERS([json-c/json.h])
668 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
669 if test "$ac_cv_lib_json_c_json_object_get" = "no"; then
670 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
671 if test "$ac_cv_lib_json_json_object_get" = "no"; then
672 AC_MSG_ERROR([libjson is needed to compile])
677 AC_ARG_ENABLE([dev_build],
678 AS_HELP_STRING([--enable-dev-build], [build for development]))
681 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
683 if test "$enable_time_check" != "no" ; then
684 if test "$enable_time_check" = "yes" -o "$enable_time_check" = "" ; then
685 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
687 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
691 case "${enable_cpu_time}" in
693 AC_DEFINE([EXCLUDE_CPU_TIME], [1], [Exclude getrusage data gathering])
699 case "${enable_systemd}" in
702 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
703 if test "$ac_cv_lib_systemd_sd_notify" = "no"; then
704 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
706 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
712 if test "$enable_rr_semantics" != "no" ; then
713 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
716 if test "$enable_datacenter" = "yes" ; then
717 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
718 AC_MSG_WARN([The --enable-datacenter compile time option is deprecated. Please modify the init script to pass -F datacenter to the daemons instead.])
719 DFLT_NAME="datacenter"
721 DFLT_NAME="traditional"
724 if test "$enable_cumulus" = "yes" ; then
725 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
728 AC_SUBST([DFLT_NAME])
729 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
731 if test "$enable_shell_access" = "yes"; then
732 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
739 AS_IF([test "$host" = "$build"], [
745 FRR_PYTHON_MODULES([pytest])
747 if test "$enable_doc" != "no"; then
748 FRR_PYTHON_MODULES([sphinx], , [
749 if test "$enable_doc" = "yes"; then
750 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.])
754 AM_CONDITIONAL([DOC], [test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" != "false"])
755 AM_CONDITIONAL([DOC_HTML], [test "$enable_doc_html" = "yes"])
757 FRR_PYTHON_MOD_EXEC([sphinx], [--version], [
760 PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'"
765 # Logic for old vpn commands support.
767 if test "$enable_oldvpn_commands" = "yes"; then
768 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
772 # End of logic for protobuf support.
775 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
776 if test "$enable_rtadv" != "no"; then
778 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
783 if test "$enable_user" = "no"; then
786 if test "$enable_user" = "yes" || test "$enable_user" = ""; then
789 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
792 if test "$enable_group" = "no"; then
795 if test "$enable_group" = "yes" || test "$enable_group" = ""; then
798 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
801 if test "$enable_vty_group" = "yes" ; then
802 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
803 elif test "$enable_vty_group" != ""; then
804 if test "$enable_vty_group" != "no"; then
805 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
808 AC_SUBST([enable_user])
809 AC_SUBST([enable_group])
810 AC_SUBST([enable_vty_group])
812 enable_configfile_mask=${enable_configfile_mask:-0600}
813 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
814 AC_SUBST([enable_configfile_mask])
816 enable_logfile_mask=${enable_logfile_mask:-0600}
817 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
821 case "${enable_multipath}" in
825 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
826 MPATH_NUM="${enable_multipath}"
831 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
835 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
837 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
839 dnl --------------------
840 dnl Enable code coverage
841 dnl --------------------
842 AM_CONDITIONAL([HAVE_GCOV], [test "$enable_gcov" != "no"])
844 dnl ------------------------------------
845 dnl Alpine only accepts numeric versions
846 dnl ------------------------------------
847 if test "$enable_numeric_version" != "" ; then
848 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
849 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
852 dnl -----------------------------------
853 dnl Add extra version string to package
854 dnl name, string and version fields.
855 dnl -----------------------------------
856 if test "$EXTRAVERSION" != "" ; then
857 VERSION="${VERSION}${EXTRAVERSION}"
858 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
859 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
860 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
862 AC_SUBST([EXTRAVERSION])
864 if test "$with_pkg_git_version" = "yes"; then
865 if test -e "${srcdir}/.git"; then
866 AC_DEFINE([GIT_VERSION], [1], [include git version info])
867 else with_pkg_git_version="no"
868 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
871 AM_CONDITIONAL([GIT_VERSION], [test "$with_pkg_git_version" = "yes"])
873 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
874 if test "$OBJCOPY" != ":"; then
875 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
877 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
878 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
879 frr_cv_interp="`xargs -0 echo < conftest.interp`"
881 test -f conftest.interp && rm conftest.interp
885 if test -n "$frr_cv_interp"; then
886 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
889 dnl -------------------------
890 dnl Check other header files.
891 dnl -------------------------
892 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
893 linux/version.h asm/types.h])
895 ac_stdatomic_ok=false
896 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
897 AC_CHECK_HEADER([stdatomic.h],[
899 AC_MSG_CHECKING([whether _Atomic qualifier works])
900 AC_LINK_IFELSE([AC_LANG_SOURCE([[
901 #include <stdatomic.h>
902 int main(int argc, char **argv) {
907 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
915 AS_IF([$ac_stdatomic_ok], [true], [
916 AC_MSG_CHECKING([for __atomic_* builtins])
917 AC_LINK_IFELSE([AC_LANG_SOURCE([[
918 int main(int argc, char **argv) {
920 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
921 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
924 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
929 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
930 AC_MSG_CHECKING([for __sync_* builtins])
931 AC_LINK_IFELSE([AC_LANG_SOURCE([[
932 int main(int argc, char **argv) {
934 __sync_fetch_and_sub (&i, 1);
935 return __sync_val_compare_and_swap (&i, 0, 1);
938 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
941 AC_MSG_CHECKING([for __sync_swap builtin])
942 AC_LINK_IFELSE([AC_LANG_SOURCE([[
943 int main(int argc, char **argv) {
945 return __sync_swap (&i, 2);
948 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
956 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
961 AC_CHECK_HEADERS([pthread_np.h],,, [
964 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np pthread_getthreadid_np])
970 AC_MSG_CHECKING([for Linux futex() support])
971 AC_LINK_IFELSE([AC_LANG_PROGRAM([
977 #include <sys/time.h>
978 #include <sys/syscall.h>
979 #include <linux/futex.h>
985 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
989 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
998 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
999 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1002 #include <sys/types.h>
1003 #include <sys/umtx.h>
1008 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
1011 AC_MSG_RESULT([yes])
1012 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
1019 AS_IF([$needsync], [
1020 dnl OpenBSD patch (not upstream at the time of writing this)
1021 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
1022 AC_MSG_CHECKING([for OpenBSD futex() support])
1023 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1024 #include <sys/futex.h>
1029 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1032 AC_MSG_RESULT([yes])
1033 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
1040 dnl Utility macro to avoid retyping includes all the time
1041 m4_define([FRR_INCLUDES],
1043 #define _POSIX_C_SOURCE 200809L
1044 #define __EXTENSIONS__
1049 #include <sys/types.h>
1050 /* sys/conf.h depends on param.h on FBSD at least */
1051 #include <sys/param.h>
1052 /* Required for MAXSIG */
1054 #include <sys/socket.h>
1056 # define __APPLE_USE_RFC_3542
1058 #include <netinet/in.h>
1059 #include <sys/time.h>
1064 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1065 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1066 dnl an additional round for it.
1068 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1070 m4_define([FRR_INCLUDES],
1072 [#ifdef HAVE_NET_IF_VAR_H
1073 # include <net/if_var.h>
1077 AC_CHECK_HEADERS([netinet/in_var.h \
1078 net/if_dl.h net/netopt.h \
1079 inet/nd.h netinet/ip_icmp.h \
1080 sys/sysctl.h sys/sockio.h sys/conf.h],
1081 [], [], [FRR_INCLUDES])
1083 AC_CHECK_HEADERS([ucontext.h], [], [],
1086 #endif /* __USE_GNU */
1090 m4_define([UCONTEXT_INCLUDES],
1091 [#include <ucontext.h>])dnl
1093 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1094 [], [], [UCONTEXT_INCLUDES])
1095 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1096 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1097 [], [], [UCONTEXT_INCLUDES])],
1098 [], [UCONTEXT_INCLUDES])
1099 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1100 [], [], [UCONTEXT_INCLUDES])
1102 m4_define([FRR_INCLUDES],
1106 #include <netinet/in_systm.h>
1107 #ifdef HAVE_NETINET_IN_VAR_H
1108 # include <netinet/in_var.h>
1110 #ifdef HAVE_NET_IF_DL_H
1111 # include <net/if_dl.h>
1113 #ifdef HAVE_NET_NETOPT_H
1114 # include <net/netopt.h>
1116 #include <net/route.h>
1117 #ifdef HAVE_INET_ND_H
1118 # include <inet/nd.h>
1120 #include <arpa/inet.h>
1121 /* Required for IDRP */
1122 #ifdef HAVE_NETINET_IP_ICMP_H
1123 # include <netinet/ip_icmp.h>
1127 dnl V6 headers are checked below, after we check for v6
1131 AC_MSG_CHECKING([which operating system interface to use])
1134 AC_MSG_FAILURE([Solaris support has been removed please see versions prior or equal to 7.5])
1137 AC_MSG_RESULT([Linux])
1139 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1140 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1141 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1143 dnl Linux has a compilation problem with mixing
1144 dnl netinet/in.h and linux/in6.h they are not
1145 dnl compatible. There has been discussion on
1146 dnl how to fix it but no real progress on implementation
1147 dnl when they fix it, remove this
1148 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1153 AC_MSG_RESULT([OpenBSD])
1155 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1156 AC_DEFINE([KAME], [1], [KAME IPv6])
1157 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1160 AC_MSG_RESULT([BSD])
1162 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1163 AC_DEFINE([KAME], [1], [KAME IPv6])
1164 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1167 AM_CONDITIONAL([LINUX], [${is_linux}])
1171 dnl ------------------------
1172 dnl Integrated REALMS option
1173 dnl ------------------------
1174 if test "$enable_realms" = "yes"; then
1177 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1180 echo "Sorry, only Linux has REALMS support"
1186 dnl -------------------------------
1187 dnl Endian-ness check
1188 dnl -------------------------------
1202 dnl ##########################################################################
1203 dnl LARGE if block spans a lot of "configure"!
1204 if test "$enable_clippy_only" != "yes"; then
1205 dnl ##########################################################################
1208 # Logic for protobuf support.
1211 if test "$enable_protobuf" = "yes"; then
1212 # Check for protoc & protoc-c
1214 # protoc is not required, it's only for a "be nice" helper target
1215 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1217 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
1218 if test "$PROTOC_C" = "/bin/false"; then
1219 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
1222 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
1223 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
1227 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h],
1228 [AC_CHECK_DECLS(PROTOBUF_C_LABEL_NONE,
1229 AC_DEFINE([HAVE_PROTOBUF_VERSION_3],
1230 [1], [Have Protobuf version 3]),
1232 [#include <google/protobuf-c/protobuf-c.h>])],
1233 [PROTO3=false && AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])])
1235 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
1239 dnl ---------------------
1240 dnl Integrated VTY option
1241 dnl ---------------------
1242 case "${enable_vtysh}" in
1247 AC_DEFINE([VTYSH], [1], [VTY shell])
1250 AC_CHECK_LIB([readline], [main], [
1251 LIBREADLINE="-lreadline"
1253 dnl readline failed - it might be incorrectly linked and missing its
1254 dnl termcap/tinfo/curses dependency. see if we can fix that...
1255 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1256 LIBREADLINE="$ac_cv_search_tputs"
1258 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1261 dnl re-try with the lib we found above
1262 unset ac_cv_lib_readline_main
1263 AC_CHECK_LIB([readline], [main], [
1264 LIBREADLINE="-lreadline $LIBREADLINE"
1266 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1271 AC_CHECK_HEADER([readline/history.h])
1272 if test "$ac_cv_header_readline_history_h" = "no"; then
1273 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1275 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1276 if test "$ac_cv_lib_readline_rl_completion_matches" = "no"; then
1277 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1279 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1280 if test "$frr_cv_append_history" = "yes"; then
1281 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1285 AC_SUBST([LIBREADLINE])
1290 dnl FRR detects the PAM library it is built against by checking for a
1291 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1292 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1293 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1294 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1297 if test "$with_libpam" = "yes"; then
1298 AC_CHECK_HEADER([security/pam_misc.h],
1299 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1300 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1301 pam_conv_func="misc_conv"
1304 AC_CHECK_HEADER([security/openpam.h],
1305 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1306 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1307 pam_conv_func="openpam_ttyconv"
1309 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1310 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1311 AC_MSG_WARN([*** pam support will not be built ***])
1316 if test "$with_libpam" = "yes"; then
1317 dnl took this test from proftpds configure.in and suited to our needs
1318 dnl -------------------------------------------------------------------------
1320 dnl This next check looks funky due to a linker problem with some versions
1321 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1322 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1323 dnl with RedHat 6.2 and Debian 2.2 or better.
1324 AC_CHECK_LIB([pam], [pam_start],
1325 [AC_CHECK_LIB([pam], [$pam_conv_func],
1326 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1328 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1329 LIBPAM="-lpam -lpam_misc"]
1333 [AC_CHECK_LIB([pam], [pam_end],
1334 [AC_CHECK_LIB([pam], [$pam_conv_func],
1335 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1336 LIBPAM="-lpam -ldl"],
1337 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1338 LIBPAM="-lpam -ldl -lpam_misc"]
1340 ],AC_MSG_WARN([*** pam support will not be built ***]),
1347 dnl -------------------------------
1348 dnl bgpd needs pow() and hence libm
1349 dnl -------------------------------
1352 AC_SEARCH_LIBS([pow], [m], [
1355 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1360 AC_CHECK_FUNCS([ppoll], [
1361 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1363 AC_CHECK_FUNCS([pollts], [
1364 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1367 AC_CHECK_HEADER([asm-generic/unistd.h],
1368 [AC_CHECK_DECL(__NR_setns,
1369 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1370 FRR_INCLUDES [#include <asm-generic/unistd.h>
1372 AC_CHECK_FUNCS([setns])]
1375 dnl --------------------------
1376 dnl Determine IS-IS I/O method
1377 dnl --------------------------
1378 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1379 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1380 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1381 AC_CHECK_HEADER([net/bpf.h])
1382 AC_CHECK_HEADER([sys/dlpi.h])
1383 AC_MSG_CHECKING([zebra IS-IS I/O method])
1387 AC_MSG_RESULT([pfpacket])
1388 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1391 if test "$ac_cv_header_net_bpf_h" = "no"; then
1392 if test "$ac_cv_header_sys_dlpi_h" = "no"; then
1393 AC_MSG_RESULT([none])
1394 if test "$enable_isisd" = "yes" -o "$enable_fabricd" = "yes"; then
1395 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1397 AC_MSG_WARN([*** IS-IS support will not be built ***])
1401 AC_MSG_RESULT([DLPI])
1403 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1405 AC_MSG_RESULT([BPF])
1406 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1410 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1412 dnl ---------------------------------------------------------------
1413 dnl figure out how to specify an interface in multicast sockets API
1414 dnl ---------------------------------------------------------------
1415 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1417 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1418 #include <sys/socket.h>
1419 #include <netinet/in.h>
1420 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1421 #include <linux/types.h>
1424 m4_define([FRR_INCLUDES],
1426 [#ifdef HAVE_LINUX_MROUTE_H
1427 # include <linux/mroute.h>
1431 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1432 #include <sys/socket.h>
1433 #include <sys/types.h>
1434 #include <netinet/in.h>
1435 #include <net/route.h>
1438 m4_define([FRR_INCLUDES],
1440 [#ifdef HAVE_NETINET_IP_MROUTE_H
1441 # include <netinet/ip_mroute.h>
1445 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1446 AC_TRY_COMPILE([#include <sys/param.h>],
1447 [#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)
1450 #error No support for BSD struct ip_mreq hack detected
1451 #endif],[AC_MSG_RESULT([yes])
1452 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1453 AC_MSG_RESULT([no]))
1455 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1457 #include <sys/types.h>
1458 #include <netinet/in.h>
1459 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1460 ], [AC_MSG_RESULT([yes])
1461 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1462 AC_MSG_RESULT([no]))
1464 dnl ---------------------------------------------------------------
1465 dnl figure out how to check link-state
1466 dnl ---------------------------------------------------------------
1467 AC_CHECK_HEADER([net/if_media.h],
1468 [m4_define([LINK_DETECT_INCLUDES],
1470 [#include <net/if_media.h>
1472 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1473 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1474 [], LINK_DETECT_INCLUDES)],
1478 dnl ---------------------------------------------------------------
1479 dnl Additional, newer way to check link-state using ifi_link_state.
1480 dnl Not available in all BSD's when ifmediareq available
1481 dnl ---------------------------------------------------------------
1482 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1483 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1486 dnl ------------------------
1487 dnl TCP_MD5SIG socket option
1488 dnl ------------------------
1490 AC_CHECK_HEADER([netinet/tcp.h],
1491 [m4_define([MD5_INCLUDES],
1493 [#include <netinet/tcp.h>
1495 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1498 if test "$ac_cv_have_decl_TCP_MD5SIG" = "no"; then
1499 AC_CHECK_HEADER([linux/tcp.h],
1500 [m4_define([MD5_INCLUDES],
1502 [#include <linux/tcp.h>
1504 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1507 AC_CHECK_LIB([crypt], [crypt], [],
1508 [AC_CHECK_LIB([crypto], [DES_crypt])])
1509 AC_CHECK_LIB([resolv], [res_init])
1511 dnl ---------------------------
1512 dnl check system has PCRE regexp
1513 dnl ---------------------------
1514 if test "$enable_pcreposix" = "yes"; then
1515 AC_CHECK_LIB([pcreposix], [regexec], [], [
1516 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1519 AC_SUBST([HAVE_LIBPCREPOSIX])
1521 dnl ##########################################################################
1522 dnl test "$enable_clippy_only" != "yes"
1524 dnl END OF LARGE if block
1525 dnl ##########################################################################
1527 dnl ------------------
1528 dnl check C-Ares library
1529 dnl ------------------
1530 PKG_CHECK_MODULES([CARES], [libcares], [
1535 AM_CONDITIONAL([CARES], [$c_ares_found])
1538 dnl ----------------------------------------------------------------------------
1539 dnl figure out if domainname is available in the utsname struct (GNU extension).
1540 dnl ----------------------------------------------------------------------------
1541 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1543 dnl ------------------
1544 dnl IPv6 header checks
1545 dnl ------------------
1546 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1547 netinet6/in6_var.h netinet6/nd6.h], [], [],
1550 m4_define([FRR_INCLUDES],dnl
1552 [#ifdef HAVE_NETINET6_IN6_H
1553 #include <netinet6/in6.h>
1555 #ifdef HAVE_NETINET_IN6_VAR_H
1556 #include <netinet/in6_var.h>
1558 #include <netinet/icmp6.h>
1559 #ifdef HAVE_NETINET6_IN6_VAR_H
1560 # include <netinet6/in6_var.h>
1562 #ifdef HAVE_NETINET6_ND6_H
1563 # include <netinet6/nd6.h>
1567 dnl --------------------
1568 dnl Daemon disable check
1569 dnl --------------------
1571 AS_IF([test "$enable_bgpd" != "no"], [
1572 AC_DEFINE([HAVE_BGPD], [1], [bgpd])
1575 AS_IF([test "$enable_ripd" != "no"], [
1576 AC_DEFINE([HAVE_RIPD], [1], [ripd])
1579 AS_IF([test "$enable_ripngd" != "no"], [
1580 AC_DEFINE([HAVE_RIPNGD], [1], [ripngd])
1583 AS_IF([test "$enable_ospfd" != "no"], [
1584 AC_DEFINE([HAVE_OSPFD], [1], [ospfd])
1587 AS_IF([test "$enable_ospf6d" != "no"], [
1588 AC_DEFINE([HAVE_OSPF6D], [1], [ospf6d])
1591 AS_IF([test "$enable_ldpd" != "no"], [
1592 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1595 AS_IF([test "$enable_nhrpd" != "no"], [
1596 AC_DEFINE([HAVE_NHRPD], [1], [nhrpd])
1599 AS_IF([test "$enable_eigrpd" != "no"], [
1600 AC_DEFINE([HAVE_EIGRPD], [1], [eigrpd])
1603 AS_IF([test "$enable_babeld" != "no"], [
1604 AC_DEFINE([HAVE_BABELD], [1], [babeld])
1607 AS_IF([test "$enable_isisd" != "no"], [
1608 AC_DEFINE([HAVE_ISISD], [1], [isisd])
1611 AS_IF([test "$enable_pimd" != "no"], [
1612 AC_DEFINE([HAVE_PIMD], [1], [pimd])
1615 AS_IF([test "$enable_pbrd" != "no"], [
1616 AC_DEFINE([HAVE_PBRD], [1], [pbrd])
1619 AS_IF([test "$enable_sharpd" = "yes"], [
1620 AC_DEFINE([HAVE_SHARPD], [1], [sharpd])
1623 AS_IF([test "$enable_staticd" != "no"], [
1624 AC_DEFINE([HAVE_STATICD], [1], [staticd])
1627 AS_IF([test "$enable_fabricd" != "no"], [
1628 AC_DEFINE([HAVE_FABRICD], [1], [fabricd])
1631 AS_IF([test "$enable_vrrpd" != "no"], [
1632 AC_DEFINE([HAVE_VRRPD], [1], [vrrpd])
1635 if test "$enable_bfdd" = "no"; then
1636 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1639 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1644 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1648 AC_DEFINE([BFD_BSD], [1], [bfdd])
1653 if test "$ac_cv_lib_json_c_json_object_get" = "no" -a "$BFDD" = "bfdd"; then
1654 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1660 case "${enable_nhrpd}" in
1664 if test "$enable_clippy_only" != "yes"; then
1665 if test "$c_ares_found" != "true" ; then
1666 AC_MSG_ERROR([nhrpd requires libcares. Please install c-ares and its -dev headers.])
1672 if test "$c_ares_found" = "true" ; then
1679 if test "$enable_nhrpd" = "yes"; then
1680 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1685 if test "$enable_watchfrr" = "no";then
1692 if test "$enable_ospfapi" != "no";then
1693 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1695 if test "$enable_ospfclient" != "no";then
1696 OSPFCLIENT="ospfclient"
1700 if test "$enable_bgp_announce" = "no";then
1701 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1703 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1706 if test "$enable_bgp_vnc" != "no";then
1707 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1711 case "${enable_bmp}" in
1715 if test "$c_ares_found" != "true" ; then
1716 AC_MSG_ERROR([BMP support requires libcares. Please install c-ares and its -dev headers.])
1721 if test "$c_ares_found" = "true" ; then
1727 if test "$enable_version_build_config" != "no";then
1728 AC_DEFINE([ENABLE_VERSION_BUILD_CONFIG], [1], [Report build configs in show version])
1731 dnl ##########################################################################
1733 if test "$enable_clippy_only" != "yes"; then
1734 dnl ##########################################################################
1736 dnl ------------------
1737 dnl check Net-SNMP library
1738 dnl ------------------
1739 if test "$enable_snmp" != "" -a "$enable_snmp" != "no"; then
1740 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1741 if test "$NETSNMP_CONFIG" = "no"; then
1742 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1744 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1745 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1746 # net-snmp lists all of its own dependencies. we absolutely do not want that
1747 # among other things we avoid a GPL vs. OpenSSL license conflict here
1748 for removelib in crypto ssl sensors pci wrap; do
1749 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1751 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1752 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1761 AC_MSG_ERROR([--enable-snmp given but not usable])])
1762 case "${enable_snmp}" in
1767 SNMP_METHOD="${enable_snmp}"
1770 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1773 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1774 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1776 AC_SUBST([SNMP_LIBS])
1777 AC_SUBST([SNMP_CFLAGS])
1782 PKG_CHECK_MODULES([LIBYANG], [libyang >= 1.0.184], , [
1783 AC_MSG_ERROR([libyang (>= 1.0.184) was not found on your system.])
1785 ac_cflags_save="$CFLAGS"
1786 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1787 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1788 AC_MSG_ERROR([m4_normalize([
1789 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1790 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1792 ], [[#include <libyang/libyang.h>]])
1793 CFLAGS="$ac_cflags_save"
1796 dnl configuration rollbacks
1799 if test "$enable_config_rollbacks" = "yes"; then
1800 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1801 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1802 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1805 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1812 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1813 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1814 if test "$CONFD" = "/bin/false"; then
1815 AC_MSG_ERROR([confd was not found on your system.])]
1817 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1818 AC_SUBST([CONFD_CFLAGS])
1819 CONFD_LIBS="-lconfd"
1820 AC_SUBST([CONFD_LIBS])
1821 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1827 if test "$enable_sysrepo" = "yes"; then
1828 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1829 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1832 AC_MSG_ERROR([sysrepo was not found on your system.])]
1839 if test "$enable_grpc" = "yes"; then
1840 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1841 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1842 if test "$PROTOC" = "/bin/false"; then
1843 AC_MSG_FAILURE([grpc requested but protoc not found.])
1846 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1850 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1857 if test "$enable_zeromq" != "no"; then
1858 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
1859 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
1862 if test "$enable_zeromq" = "yes"; then
1863 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1868 dnl ------------------------------------
1869 dnl Enable RPKI and add librtr to libs
1870 dnl ------------------------------------
1871 if test "$enable_rpki" = "yes"; then
1872 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
1875 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1879 dnl ------------------------------------
1880 dnl pimd is not supported on OpenBSD and MacOS
1881 dnl ------------------------------------
1882 if test "$enable_pimd" != "no"; then
1883 AC_MSG_CHECKING([for pimd OS support])
1894 AC_MSG_RESULT([yes])
1899 dnl -------------------------------------
1900 dnl VRRP is only supported on linux
1901 dnl -------------------------------------
1902 if test "$enable_vrrpd" != "no"; then
1903 AC_MSG_CHECKING([for VRRP OS support])
1906 AC_MSG_RESULT([yes])
1915 dnl ------------------------------------------
1916 dnl Check whether rtrlib was build with ssh support
1917 dnl ------------------------------------------
1918 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1919 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1920 [[struct tr_ssh_config config;]])],
1921 [AC_MSG_RESULT([yes])
1922 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
1929 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1930 AC_MSG_ERROR([unable to find the dlopen()])
1933 AC_CHECK_HEADERS([link.h])
1935 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1936 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1944 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1946 frr_cv_rtld_di_origin=yes
1948 frr_cv_rtld_di_origin=no
1951 if test "$frr_cv_rtld_di_origin" = "yes"; then
1952 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1955 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1956 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1963 struct link_map *lm = NULL;
1964 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1966 frr_cv_rtld_di_linkmap=yes
1968 frr_cv_rtld_di_linkmap=no
1971 if test "$frr_cv_rtld_di_linkmap" = "yes"; then
1972 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1975 dnl ##########################################################################
1976 dnl test "$enable_clippy_only" != "yes"
1978 dnl END OF LARGE if block
1979 dnl ##########################################################################
1981 dnl ---------------------------
1982 dnl sockaddr and netinet checks
1983 dnl ---------------------------
1986 struct vifctl, struct mfcctl, struct sioc_sg_req,
1987 vifi_t, struct sioc_vif_req, struct igmpmsg,
1988 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1989 struct nd_opt_adv_interval,
1990 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1991 struct nd_opt_rdnss, struct nd_opt_dnssl],
1992 [], [], FRR_INCLUDES)
1994 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1995 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1996 struct sockaddr_dl.sdl_len,
1997 struct if6_aliasreq.ifra_lifetime,
1998 struct nd_opt_adv_interval.nd_opt_ai_type],
1999 [], [], FRR_INCLUDES)
2001 dnl ---------------------------
2002 dnl IRDP/pktinfo/icmphdr checks
2003 dnl ---------------------------
2005 AC_CHECK_TYPES([struct in_pktinfo], [
2006 AC_CHECK_TYPES([struct icmphdr], [
2015 case "${enable_irdp}" in
2017 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
2025 dnl -----------------------
2026 dnl checking for IP_PKTINFO
2027 dnl -----------------------
2028 AC_MSG_CHECKING([for IP_PKTINFO])
2029 AC_TRY_COMPILE([#include <netdb.h>], [
2030 int opt = IP_PKTINFO;
2032 AC_MSG_RESULT([yes])
2033 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
2038 dnl ---------------------------
2039 dnl checking for IP_RECVDSTADDR
2040 dnl ---------------------------
2041 AC_MSG_CHECKING([for IP_RECVDSTADDR])
2042 AC_TRY_COMPILE([#include <netinet/in.h>], [
2043 int opt = IP_RECVDSTADDR;
2045 AC_MSG_RESULT([yes])
2046 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
2051 dnl ----------------------
2052 dnl checking for IP_RECVIF
2053 dnl ----------------------
2054 AC_MSG_CHECKING([for IP_RECVIF])
2055 AC_TRY_COMPILE([#include <netinet/in.h>], [
2056 int opt = IP_RECVIF;
2058 AC_MSG_RESULT([yes])
2059 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
2064 dnl ----------------------
2065 dnl checking for SO_BINDANY
2066 dnl ----------------------
2067 AC_MSG_CHECKING([for SO_BINDANY])
2068 AC_TRY_COMPILE([#include <sys/socket.h>], [
2069 int opt = SO_BINDANY;
2071 AC_MSG_RESULT([yes])
2072 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
2077 dnl ----------------------
2078 dnl checking for IP_FREEBIND
2079 dnl ----------------------
2080 AC_MSG_CHECKING([for IP_FREEBIND])
2081 AC_TRY_COMPILE([#include <netinet/in.h>], [
2082 int opt = IP_FREEBIND;
2084 AC_MSG_RESULT([yes])
2085 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
2090 dnl --------------------------------------
2091 dnl checking for be32dec existence or not
2092 dnl --------------------------------------
2093 AC_CHECK_DECLS([be32enc, be32dec], [], [],
2094 [#include <sys/endian.h>])
2096 dnl --------------------------------------
2097 dnl checking for clock_time monotonic struct and call
2098 dnl --------------------------------------
2099 AC_CHECK_DECL([CLOCK_MONOTONIC],
2100 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
2101 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
2102 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
2104 AC_SEARCH_LIBS([clock_nanosleep], [rt], [
2105 AC_DEFINE([HAVE_CLOCK_NANOSLEEP], [1], [Have clock_nanosleep()])
2108 dnl --------------------------------------
2109 dnl checking for flex and bison
2110 dnl --------------------------------------
2113 AC_MSG_CHECKING([version of flex])
2114 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
2115 frr_ac_flex_version="${frr_ac_flex_version##* }"
2116 AC_MSG_RESULT([$frr_ac_flex_version])
2117 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
2118 LEX="$SHELL $missing_dir/missing flex"
2119 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
2120 AC_MSG_WARN([using pregenerated flex output files])
2122 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
2124 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
2125 AC_SUBST([LEXLIB], [''])
2129 dnl thanks GNU bison for this b*llshit...
2130 AC_MSG_CHECKING([version of bison])
2131 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
2132 frr_ac_bison_version="${frr_ac_bison_version##* }"
2133 frr_ac_bison_missing="false"
2134 case "x${frr_ac_bison_version}x" in
2137 BISON_CLOSEBRACE='"'
2139 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
2142 AC_MSG_RESULT([$frr_ac_bison_version])
2143 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
2144 frr_ac_bison_missing="true"
2147 AC_MSG_RESULT([none])
2148 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
2149 frr_ac_bison_missing="true"
2153 BISON_CLOSEBRACE='}'
2154 BISON_VERBOSE='-Dparse.error=verbose'
2155 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 to 3.2])
2159 BISON_CLOSEBRACE='}'
2160 BISON_VERBOSE='-Dparse.error=verbose -Wno-yacc'
2161 AC_MSG_RESULT([$frr_ac_bison_version - 3.3 or newer])
2164 AC_SUBST([BISON_OPENBRACE])
2165 AC_SUBST([BISON_CLOSEBRACE])
2166 AC_SUBST([BISON_VERBOSE])
2168 if $frr_ac_bison_missing; then
2169 YACC="$SHELL $missing_dir/missing bison -y"
2170 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2171 AC_MSG_WARN([using pregenerated bison output files])
2173 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2177 dnl -------------------
2178 dnl capabilities checks
2179 dnl -------------------
2180 if test "$enable_capabilities" != "no"; then
2181 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2182 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2183 [AC_MSG_RESULT([yes])
2184 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2185 frr_ac_keepcaps="yes"],
2188 if test "$frr_ac_keepcaps" = "yes"; then
2189 AC_CHECK_HEADERS([sys/capability.h])
2191 if test "$ac_cv_header_sys_capability_h" = "yes"; then
2192 AC_CHECK_LIB([cap], [cap_init],
2193 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2198 if test "$frr_ac_scaps" = "yes" \
2199 -o "$frr_ac_lcaps" = "yes"; then
2200 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2205 if test "$enable_clippy_only" != "yes"; then
2206 if test "$frr_ac_lcaps" != "yes"; then
2207 AC_MSG_ERROR([libcap and/or its headers were not found. Running FRR without libcap support built in causes a huge performance penalty.])
2215 AC_MSG_WARN([Running FRR without libcap support built in causes a huge performance penalty.])
2221 dnl ---------------------------
2222 dnl check for glibc 'backtrace'
2223 dnl ---------------------------
2224 if test "$enable_backtrace" != "no" ; then
2226 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2227 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2233 if test "$backtrace_ok" = "no"; then
2234 AC_CHECK_HEADER([unwind.h], [
2235 AC_SEARCH_LIBS([unw_getcontext], [unwind], [
2236 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2242 if test "$backtrace_ok" = "no"; then
2243 AC_CHECK_HEADER([execinfo.h], [
2244 AC_SEARCH_LIBS([backtrace], [execinfo], [
2245 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2251 if test "$enable_backtrace" = "yes" -a "$backtrace_ok" = "no"; then
2252 dnl user explicitly requested backtrace but we failed to find support
2253 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2257 dnl -----------------------------------------
2258 dnl check for malloc mallinfo struct and call
2259 dnl this must try and link using LIBS, in
2260 dnl order to check no alternative allocator
2261 dnl has been specified, which might not provide
2263 dnl -----------------------------------------
2264 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2266 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2267 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2268 #ifdef HAVE_MALLOC_H
2271 #ifdef HAVE_MALLOC_NP_H
2272 #include <malloc_np.h>
2274 #ifdef HAVE_MALLOC_MALLOC_H
2275 #include <malloc/malloc.h>
2278 struct mallinfo ac_x; ac_x = mallinfo ();
2285 if test "$frr_cv_mallinfo" = "yes"; then
2286 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2289 AC_MSG_CHECKING([whether malloc_usable_size is available])
2290 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2291 #ifdef HAVE_MALLOC_H
2294 #ifdef HAVE_MALLOC_MALLOC_H
2295 #include <malloc/malloc.h>
2298 size_t ac_x; ac_x = malloc_usable_size(NULL);
2300 AC_MSG_RESULT([yes])
2301 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2305 AC_MSG_CHECKING([whether malloc_size is available])
2306 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2307 #ifdef HAVE_MALLOC_H
2310 #ifdef HAVE_MALLOC_MALLOC_H
2311 #include <malloc/malloc.h>
2314 size_t ac_x; ac_x = malloc_size(NULL);
2316 AC_MSG_RESULT([yes])
2317 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2326 dev_version=`echo $VERSION | grep dev`
2327 #don't expire deprecated code in non 'dev' branch
2328 if test "$dev_version" = ""; then
2331 CONFDATE=`date '+%Y%m%d'`
2333 AC_SUBST([CONFDATE])
2335 dnl ------------------------------
2336 dnl set paths for state directory
2337 dnl ------------------------------
2338 AC_MSG_CHECKING([directory to use for state file])
2339 if test "$prefix" = "NONE"; then
2340 frr_statedir_prefix="";
2342 frr_statedir_prefix=${prefix}
2344 if test "$localstatedir" = '${prefix}/var'; then
2345 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2346 ${frr_statedir_prefix}/var/adm dnl
2347 ${frr_statedir_prefix}/etc dnl
2353 test -d $FRR_STATE_DIR && break
2355 frr_statedir=$FRR_STATE_DIR
2357 frr_statedir=${localstatedir}
2359 if test "$frr_statedir" = "/dev/null"; then
2360 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2362 AC_MSG_RESULT([${frr_statedir}])
2363 AC_SUBST([frr_statedir])
2365 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir%s%s/ldpd.sock"], [ldpd control socket])
2366 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir%s%s/zserv.api"], [zebra api socket])
2367 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir%s%s/bfdd.sock"], [bfdd control socket])
2368 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir%s%s"], [daemon vty directory])
2369 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2371 dnl autoconf does this, but it does it too late...
2372 test "$prefix" = "NONE" && prefix=$ac_default_prefix
2373 test "$exec_prefix" = "NONE" && exec_prefix='${prefix}'
2375 dnl get the full path, recursing through variables...
2376 vtysh_bin="$bindir/vtysh"
2377 for I in 1 2 3 4 5 6 7 8 9 10; do
2378 eval vtysh_bin="\"$vtysh_bin\""
2380 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2381 AC_SUBST([vtysh_bin])
2383 CFG_SYSCONF="$sysconfdir"
2385 CFG_STATE="$frr_statedir"
2386 CFG_MODULE="$moduledir"
2387 CFG_YANGMODELS="$yangmodelsdir"
2388 for I in 1 2 3 4 5 6 7 8 9 10; do
2389 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2390 eval CFG_SBIN="\"$CFG_SBIN\""
2391 eval CFG_STATE="\"$CFG_STATE\""
2392 eval CFG_MODULE="\"$CFG_MODULE\""
2393 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2395 AC_SUBST([CFG_SYSCONF])
2396 AC_SUBST([CFG_SBIN])
2397 AC_SUBST([CFG_STATE])
2398 AC_SUBST([CFG_MODULE])
2399 AC_SUBST([CFG_YANGMODELS])
2400 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2401 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2402 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2404 dnl various features
2405 AM_CONDITIONAL([SUPPORT_REALMS], [test "$enable_realms" = "yes"])
2406 AM_CONDITIONAL([ENABLE_BGP_VNC], [test "$enable_bgp_vnc" != "no"])
2407 AM_CONDITIONAL([BGP_BMP], [$bgpd_bmp])
2409 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
2410 AM_CONDITIONAL([CONFD], [test "$enable_confd" != ""])
2411 AM_CONDITIONAL([SYSREPO], [test "$enable_sysrepo" = "yes"])
2412 AM_CONDITIONAL([GRPC], [test "$enable_grpc" = "yes"])
2413 AM_CONDITIONAL([ZEROMQ], [test "$ZEROMQ" = "true"])
2415 AM_CONDITIONAL([RPKI], [test "$RPKI" = "true"])
2416 AM_CONDITIONAL([SNMP], [test "$SNMP_METHOD" = "agentx"])
2417 AM_CONDITIONAL([IRDP], [$IRDP])
2418 AM_CONDITIONAL([FPM], [test "$enable_fpm" = "yes"])
2419 AM_CONDITIONAL([HAVE_PROTOBUF], [test "$enable_protobuf" = "yes"])
2420 AM_CONDITIONAL([HAVE_PROTOBUF3], [$PROTO3])
2422 AM_CONDITIONAL([VTYSH], [test "$VTYSH" = "vtysh"])
2423 AM_CONDITIONAL([ZEBRA], [test "$enable_zebra" != "no"])
2424 AM_CONDITIONAL([BGPD], [test "$enable_bgpd" != "no"])
2425 AM_CONDITIONAL([RIPD], [test "$enable_ripd" != "no"])
2426 AM_CONDITIONAL([OSPFD], [test "$enable_ospfd" != "no"])
2427 AM_CONDITIONAL([LDPD], [test "$enable_ldpd" != "no"])
2428 AM_CONDITIONAL([BFDD], [test "$BFDD" = "bfdd"])
2429 AM_CONDITIONAL([NHRPD], [test "$NHRPD" = "nhrpd"])
2430 AM_CONDITIONAL([EIGRPD], [test "$enable_eigrpd" != "no"])
2431 AM_CONDITIONAL([WATCHFRR], [test "$WATCHFRR" = "watchfrr"])
2432 AM_CONDITIONAL([OSPFCLIENT], [test "$OSPFCLIENT" = "ospfclient"])
2433 AM_CONDITIONAL([RIPNGD], [test "$enable_ripngd" != "no"])
2434 AM_CONDITIONAL([BABELD], [test "$enable_babeld" != "no"])
2435 AM_CONDITIONAL([OSPF6D], [test "$enable_ospf6d" != "no"])
2436 AM_CONDITIONAL([ISISD], [test "$enable_isisd" != "no"])
2437 AM_CONDITIONAL([PIMD], [test "$enable_pimd" != "no"])
2438 AM_CONDITIONAL([PBRD], [test "$enable_pbrd" != "no"])
2439 AM_CONDITIONAL([SHARPD], [test "$enable_sharpd" = "yes"])
2440 AM_CONDITIONAL([STATICD], [test "$enable_staticd" != "no"])
2441 AM_CONDITIONAL([FABRICD], [test "$enable_fabricd" != "no"])
2442 AM_CONDITIONAL([VRRPD], [test "$enable_vrrpd" != "no"])
2444 AC_CONFIG_FILES([Makefile],[
2445 test "$enable_dev_build" = "yes" && makefile_devbuild="--dev-build"
2446 ${PYTHON} "${ac_abs_top_srcdir}/python/makefile.py" ${makefile_devbuild} || exit 1
2449 enable_dev_build="$enable_dev_build"
2457 snapcraft/snapcraft.yaml
2459 tests/lib/cli/test_cli.refout
2460 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2461 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2464 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2465 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2466 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2467 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2468 AC_CONFIG_FILES([tools/frrcommon.sh])
2470 AC_CONFIG_COMMANDS([lib/route_types.h], [
2471 dst="${ac_abs_top_builddir}/lib/route_types.h"
2472 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2473 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2476 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2477 && rm "${dst}.tmp" \
2478 || mv "${dst}.tmp" "${dst}"
2483 AS_IF([test "$with_pkg_git_version" = "yes"], [
2484 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2485 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2486 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2487 "${ac_abs_top_srcdir}" \
2490 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2491 && rm "${dst}.tmp" \
2492 || mv "${dst}.tmp" "${dst}"
2498 ## Hack, but working solution to avoid rebuilding of frr.info.
2499 ## It's already in CVS until texinfo 4.7 is more common.
2503 FRRouting configuration
2504 ------------------------------
2505 FRR version : ${PACKAGE_VERSION}
2506 host operating system : ${host_os}
2507 source code location : ${srcdir}
2509 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2511 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2512 state file directory : ${frr_statedir}
2513 config file directory : `eval echo \`echo ${sysconfdir}\``
2514 example directory : `eval echo \`echo ${exampledir}\``
2515 module directory : ${CFG_MODULE}
2516 user to run as : ${enable_user}
2517 group to run as : ${enable_group}
2518 group for vty sockets : ${enable_vty_group}
2519 config file mask : ${enable_configfile_mask}
2520 log file mask : ${enable_logfile_mask}
2521 zebra protobuf enabled : ${enable_protobuf:-no}
2522 vici socket path : ${vici_socket}
2524 The above user and group must have read/write access to the state file
2525 directory and to the config files in the config file directory."
2527 if test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" = "false"; then
2528 AC_MSG_WARN([sphinx is missing but required to build documentation])
2530 if test "$frr_py_mod_pytest" = "false"; then
2531 AC_MSG_WARN([pytest is missing, unit tests cannot be performed])