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="$withval"
138 yangmodelsdir="\${datarootdir}/yang"
140 AC_SUBST([yangmodelsdir])
142 AC_ARG_ENABLE(tcmalloc,
143 AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
144 [case "${enableval}" in
145 yes) tcmalloc_enabled=true
146 LIBS="$LIBS -ltcmalloc_minimal"
148 no) tcmalloc_enabled=false ;;
149 *) AC_MSG_ERROR([bad value ${enableval} for --enable-tcmalloc]) ;;
150 esac],[tcmalloc_enabled=false])
153 dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
154 dnl flag determination logic.
157 dnl --------------------
158 dnl Check CC and friends
159 dnl --------------------
160 dnl note orig_cflags is also used further down
161 orig_cflags="$CFLAGS"
162 orig_cxxflags="$CXXFLAGS"
168 dnl remove autoconf default "-g -O2"
169 CFLAGS="$orig_cflags"
170 CXXFLAGS="$orig_cxxflags"
172 dnl NB: see C11 below
176 dnl it's 2019, sed is sed.
180 dnl try and enable CFLAGS that are useful for FRR
181 dnl - specifically, options to control warnings
183 AC_USE_SYSTEM_EXTENSIONS
184 AC_DEFUN([AC_C_FLAG], [{
185 m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-+/{}$],[________])])
186 AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [
188 ac_c_flag_save="$CFLAGS"
191 [AC_LANG_PROGRAM([[$4]])],
197 CFLAGS="$ac_c_flag_save"
200 if test "$cachename" = "yes"; then
201 m4_if([$3], [], [CFLAGS="$CFLAGS $1"], [$3])
206 m4_popdef([cachename])
209 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
211 ac_cflags_save="$CFLAGS"
218 CFLAGS="$ac_cflags_save"
224 CFLAGS="$ac_cflags_save"
233 dnl ICC won't bail on unknown options without -diag-error 10006
234 dnl need to do this first so we get useful results for the other options
235 AC_C_FLAG([-diag-error 10006])
237 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
239 CC="${CC% -std=gnu99}"
242 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
244 dnl if the user has specified any CFLAGS, override our settings
245 if test "$enable_gcov" = "yes"; then
246 if test "$orig_cflags" = ""; then
247 AC_C_FLAG([-coverage])
251 LDFLAGS="${LDFLAGS} -lgcov"
254 if test "$enable_clang_coverage" = "yes"; then
255 AC_C_FLAG([-fprofile-instr-generate], [
256 AC_MSG_ERROR([$CC does not support -fprofile-instr-generate.])
258 AC_C_FLAG([-fcoverage-mapping], [
259 AC_MSG_ERROR([$CC does not support -fcoverage-mapping.])
263 if test "$enable_dev_build" = "yes"; then
264 AC_DEFINE([DEV_BUILD], [1], [Build for development])
265 if test "$orig_cflags" = ""; then
269 if test "$enable_lua" = "yes"; then
273 AC_DEFINE([HAVE_LUA], [1], [Have support for Lua interpreter])
274 LIBS="$LIBS $LUA_LIB"
278 if test "$enable_lua" = "yes"; then
279 AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
281 if test "$orig_cflags" = ""; then
286 AM_CONDITIONAL([DEV_BUILD], [test "$enable_dev_build" = "yes"])
288 dnl always want these CFLAGS
289 AC_C_FLAG([-fno-omit-frame-pointer])
290 AC_C_FLAG([-funwind-tables])
293 AC_C_FLAG([-Wmissing-prototypes])
294 AC_C_FLAG([-Wmissing-declarations])
295 AC_C_FLAG([-Wpointer-arith])
296 AC_C_FLAG([-Wbad-function-cast])
297 AC_C_FLAG([-Wwrite-strings])
299 if test "$enable_gcc_ultra_verbose" = "yes" ; then
300 AC_C_FLAG([-Wcast-qual])
301 AC_C_FLAG([-Wstrict-prototypes])
302 AC_C_FLAG([-Wmissing-noreturn])
303 AC_C_FLAG([-Wmissing-format-attribute])
304 AC_C_FLAG([-Wunreachable-code])
305 AC_C_FLAG([-Wpacked])
306 AC_C_FLAG([-Wpadded])
307 AC_C_FLAG([-Wshadow])
309 AC_C_FLAG([-Wno-unused-result])
311 AC_C_FLAG([-Wno-unused-parameter])
312 AC_C_FLAG([-Wno-missing-field-initializers])
314 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
315 AC_SUBST([CXX_COMPAT_CFLAGS])
317 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
318 dnl for some reason the string consts get 'promoted' to char *,
319 dnl triggering a const to non-const conversion warning.
320 AC_C_FLAG([-diag-disable 3179])
322 if test "$enable_werror" = "yes" ; then
328 if test "$enable_address_sanitizer" = "yes"; then
329 AC_C_FLAG([-fsanitize=address], [
330 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
332 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
335 if test "$enable_thread_sanitizer" = "yes"; then
336 AC_C_FLAG([-fsanitize=thread], [
337 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
339 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
342 if test "$enable_memory_sanitizer" = "yes"; then
343 AC_C_FLAG([-fsanitize=memory -fPIE -pie], [
344 AC_MSG_ERROR([$CC does not support Memory Sanitizer.])
346 SAN_FLAGS="$SAN_FLAGS -fsanitize=memory -fPIE -pie"
349 if test "$enable_undefined_sanitizer" = "yes"; then
350 AC_C_FLAG([-fsanitize=undefined], [
351 AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.])
353 SAN_FLAGS="$SAN_FLAGS -fsanitize=undefined"
356 AC_SUBST([SAN_FLAGS])
359 if test "$with_frr_format" != "no" -a "$with_frr_format" != "yes" -a -n "$with_frr_format"; then
360 AC_C_FLAG([-fplugin=${with_frr_format}], [
361 AC_MSG_ERROR([specified frr-format plugin ($with_frr_format) does not work])
363 #ifndef _FRR_ATTRIBUTE_PRINTFRR
364 #error plugin not loaded
366 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
367 #error plugin too old
370 elif test "$with_frr_format" = "no"; then
373 AC_C_FLAG([-fplugin=tools/gcc-plugins/frr-format.so],[
374 AC_C_FLAG([-fplugin=frr-format],[
375 if test "$with_frr_format" = "yes"; then
376 AC_MSG_ERROR([frr-format plugin requested but not found])
379 #ifndef _FRR_ATTRIBUTE_PRINTFRR
380 #error plugin not loaded
382 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
383 #error plugin too old
387 #ifndef _FRR_ATTRIBUTE_PRINTFRR
388 #error plugin not loaded
390 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
391 #error plugin too old
402 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
403 LIBS="$PTHREAD_LIBS $LIBS"
405 AC_MSG_FAILURE([This FRR version needs pthreads])
408 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
409 [frr_cv_pthread_condattr_setclock=yes],
410 [frr_cv_pthread_condattr_setclock=no])
411 if test "$frr_cv_pthread_condattr_setclock" = "yes"; then
412 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
420 AC_CHECK_TOOL([AR], [ar])
425 AC_ARG_ENABLE([static-bin],
426 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
429 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
430 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
431 sed -e 's%func_warning "relinking%true #\0%' -i libtool || true
432 sed -e 's%func_warning "remember to run%true #\0%' -i libtool || true
433 sed -e 's%func_warning ".*has not been installed in%true #\0%' -i libtool || true
435 if test "$enable_static_bin" = "yes"; then
437 if test "$enable_static" != "yes"; then
438 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
441 if test "$enable_shared" != "yes"; then
442 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
444 AC_SUBST([AC_LDFLAGS])
445 AM_CONDITIONAL([STATIC_BIN], [test "$enable_static_bin" = "yes"])
447 dnl $AR and $RANLIB are set by LT_INIT above
448 AC_MSG_CHECKING([whether $AR supports D option])
449 if $AR crD conftest.a >/dev/null 2>/dev/null; then
451 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
462 AC_MSG_CHECKING([whether $RANLIB supports D option])
463 if $RANLIB -D conftest.a >conftest.err 2>&1; then
464 if grep -q -- '-D' conftest.err; then
475 test -f conftest.err && rm conftest.err
476 test -f conftest.a && rm conftest.a
478 dnl ----------------------
479 dnl Packages configuration
480 dnl ----------------------
481 if test -f config.version; then
483 elif test -f "${srcdir}/config.version"; then
484 . "${srcdir}/config.version"
486 AC_ARG_WITH([pkg-extra-version],
487 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
488 if test "$withval" = "no"; then
491 EXTRAVERSION=$withval
494 AC_ARG_WITH([pkg-git-version],
495 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
496 [ test "$withval" != "no" && with_pkg_git_version="yes" ])
497 AC_ARG_WITH([clippy],
498 AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program]))
499 AC_ARG_WITH([vtysh_pager],
500 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
501 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
502 AC_ARG_ENABLE([vtysh],
503 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
505 AS_HELP_STRING([--disable-doc], [do not build docs]))
506 AC_ARG_ENABLE([doc-html],
507 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
508 AC_ARG_ENABLE([zebra],
509 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
510 AC_ARG_ENABLE([bgpd],
511 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
512 AC_ARG_ENABLE([ripd],
513 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
514 AC_ARG_ENABLE([ripngd],
515 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
516 AC_ARG_ENABLE([ospfd],
517 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
518 AC_ARG_ENABLE([ospf6d],
519 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
520 AC_ARG_ENABLE([ldpd],
521 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
522 AC_ARG_ENABLE([nhrpd],
523 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
524 AC_ARG_ENABLE([eigrpd],
525 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
526 AC_ARG_ENABLE([babeld],
527 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
528 AC_ARG_ENABLE([watchfrr],
529 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
530 AC_ARG_ENABLE([isisd],
531 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
532 AC_ARG_ENABLE([pimd],
533 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
534 AC_ARG_ENABLE([pbrd],
535 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
536 AC_ARG_ENABLE([sharpd],
537 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
538 AC_ARG_ENABLE([staticd],
539 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
540 AC_ARG_ENABLE([fabricd],
541 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
542 AC_ARG_ENABLE([vrrpd],
543 AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
544 AC_ARG_ENABLE([bgp-announce],
545 AS_HELP_STRING([--disable-bgp-announce], [turn off BGP route announcement]))
546 AC_ARG_ENABLE([bgp-vnc],
547 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
548 AC_ARG_ENABLE([bgp-bmp],
549 AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support]))
550 AC_ARG_ENABLE([snmp],
551 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
552 AC_ARG_ENABLE([config_rollbacks],
553 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
554 AC_ARG_ENABLE([confd],
555 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
556 AC_ARG_ENABLE([sysrepo],
557 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
558 AC_ARG_ENABLE([grpc],
559 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
560 AC_ARG_ENABLE([zeromq],
561 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
562 AC_ARG_WITH([libpam],
563 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
564 AC_ARG_ENABLE([ospfapi],
565 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
566 AC_ARG_ENABLE([ospfclient],
567 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
568 (this is the default if --disable-ospfapi is set)]))
569 AC_ARG_ENABLE([multipath],
570 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
571 AC_ARG_ENABLE([user],
572 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
573 AC_ARG_ENABLE([group],
574 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
575 AC_ARG_ENABLE([vty_group],
576 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
577 AC_ARG_ENABLE([configfile_mask],
578 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
579 AC_ARG_ENABLE([logfile_mask],
580 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
581 AC_ARG_ENABLE([shell_access],
582 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
583 AC_ARG_ENABLE([realms],
584 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
585 AC_ARG_ENABLE([rtadv],
586 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
587 AC_ARG_ENABLE([irdp],
588 AS_HELP_STRING([--disable-irdp], [disable IRDP server support in zebra (enabled by default if supported)]))
589 AC_ARG_ENABLE([capabilities],
590 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
591 AC_ARG_ENABLE([rusage],
592 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
593 AC_ARG_ENABLE([gcc_ultra_verbose],
594 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
595 AC_ARG_ENABLE([backtrace],
596 AS_HELP_STRING([--disable-backtrace], [disable crash backtraces (default autodetect)]))
597 AC_ARG_ENABLE([time-check],
598 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
599 AC_ARG_ENABLE([cpu-time],
600 AS_HELP_STRING([--disable-cpu-time], [disable cpu usage data gathering]))
601 AC_ARG_ENABLE([pcreposix],
602 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
604 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
605 AC_ARG_ENABLE([systemd],
606 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
607 AC_ARG_ENABLE([werror],
608 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
609 AC_ARG_ENABLE([cumulus],
610 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
611 AC_ARG_ENABLE([datacenter],
612 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
613 AC_ARG_ENABLE([rr-semantics],
614 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
615 AC_ARG_ENABLE([protobuf],
616 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
617 AC_ARG_ENABLE([oldvpn_commands],
618 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
619 AC_ARG_ENABLE([rpki],
620 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
621 AC_ARG_ENABLE([clippy-only],
622 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
623 AC_ARG_ENABLE([numeric_version],
624 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
625 AC_ARG_ENABLE([gcov],
626 AS_HELP_STRING([--enable-gcov], [Collect coverage information with gcov]))
627 AC_ARG_ENABLE([clang_coverage],
628 AS_HELP_STRING([--enable-clang-coverage], [Collect coverage information with Clang Coverage]))
629 AC_ARG_ENABLE([bfdd],
630 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
631 AC_ARG_ENABLE([address-sanitizer],
632 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
633 AC_ARG_ENABLE([thread-sanitizer],
634 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
635 AC_ARG_ENABLE([memory-sanitizer],
636 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
637 AC_ARG_ENABLE([undefined-sanitizer],
638 AS_HELP_STRING([--undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior]))
639 AC_ARG_WITH([crypto],
640 AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))
641 AC_ARG_WITH([frr-format],
642 AS_HELP_STRING([--with-frr-format[=<.../frr-format.so>]], [use frr-format GCC plugin]))
644 AC_ARG_ENABLE([version-build-config],
645 AS_HELP_STRING([--disable-version-build-config], [do not include build configs in show version command]))
647 #if openssl, else use the internal
648 AS_IF([test "$with_crypto" = "openssl"], [
649 AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], [])
650 if test "$ac_cv_lib_crypto_EVP_DigestInit" = "no"; then
651 AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system])
653 AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support])
655 ], [test "$with_crypto" = "internal" || test "$with_crypto" = "" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation])
656 ], [AC_MSG_ERROR([Unknown value for --with-crypto])]
659 AS_IF([test "$enable_clippy_only" != "yes"], [
660 AC_CHECK_HEADERS([json-c/json.h])
661 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
662 if test "$ac_cv_lib_json_c_json_object_get" = "no"; then
663 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
664 if test "$ac_cv_lib_json_json_object_get" = "no"; then
665 AC_MSG_ERROR([libjson is needed to compile])
670 AC_ARG_ENABLE([dev_build],
671 AS_HELP_STRING([--enable-dev-build], [build for development]))
674 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
676 if test "$enable_time_check" != "no" ; then
677 if test "$enable_time_check" = "yes" -o "$enable_time_check" = "" ; then
678 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
680 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
684 case "${enable_cpu_time}" in
686 AC_DEFINE([EXCLUDE_CPU_TIME], [1], [Exclude getrusage data gathering])
692 case "${enable_systemd}" in
695 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
696 if test "$ac_cv_lib_systemd_sd_notify" = "no"; then
697 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
699 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
705 if test "$enable_rr_semantics" != "no" ; then
706 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
709 if test "$enable_datacenter" = "yes" ; then
710 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
711 AC_MSG_WARN([The --enable-datacenter compile time option is deprecated. Please modify the init script to pass -F datacenter to the daemons instead.])
712 DFLT_NAME="datacenter"
714 DFLT_NAME="traditional"
717 if test "$enable_cumulus" = "yes" ; then
718 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
721 AC_SUBST([DFLT_NAME])
722 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
724 if test "$enable_shell_access" = "yes"; then
725 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
732 AS_IF([test "$host" = "$build"], [
738 FRR_PYTHON_MODULES([pytest])
740 if test "$enable_doc" != "no"; then
741 FRR_PYTHON_MODULES([sphinx], , [
742 if test "$enable_doc" = "yes"; then
743 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.])
747 AM_CONDITIONAL([DOC], [test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" != "false"])
748 AM_CONDITIONAL([DOC_HTML], [test "$enable_doc_html" = "yes"])
750 FRR_PYTHON_MOD_EXEC([sphinx], [--version], [
753 PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'"
758 # Logic for old vpn commands support.
760 if test "$enable_oldvpn_commands" = "yes"; then
761 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
765 # End of logic for protobuf support.
768 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
769 if test "$enable_rtadv" != "no"; then
771 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
776 if test "$enable_user" = "no"; then
779 if test "$enable_user" = "yes" || test "$enable_user" = ""; then
782 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
785 if test "$enable_group" = "no"; then
788 if test "$enable_group" = "yes" || test "$enable_group" = ""; then
791 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
794 if test "$enable_vty_group" = "yes" ; then
795 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
796 elif test "$enable_vty_group" != ""; then
797 if test "$enable_vty_group" != "no"; then
798 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
801 AC_SUBST([enable_user])
802 AC_SUBST([enable_group])
803 AC_SUBST([enable_vty_group])
805 enable_configfile_mask=${enable_configfile_mask:-0600}
806 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
807 AC_SUBST([enable_configfile_mask])
809 enable_logfile_mask=${enable_logfile_mask:-0600}
810 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
814 case "${enable_multipath}" in
818 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
819 MPATH_NUM="${enable_multipath}"
824 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
828 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
830 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
832 dnl --------------------
833 dnl Enable code coverage
834 dnl --------------------
835 AM_CONDITIONAL([HAVE_GCOV], [test "$enable_gcov" != "no"])
837 dnl ------------------------------------
838 dnl Alpine only accepts numeric versions
839 dnl ------------------------------------
840 if test "$enable_numeric_version" != "" ; then
841 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
842 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
845 dnl -----------------------------------
846 dnl Add extra version string to package
847 dnl name, string and version fields.
848 dnl -----------------------------------
849 if test "$EXTRAVERSION" != "" ; then
850 VERSION="${VERSION}${EXTRAVERSION}"
851 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
852 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
853 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
855 AC_SUBST([EXTRAVERSION])
857 if test "$with_pkg_git_version" = "yes"; then
858 if test -e "${srcdir}/.git"; then
859 AC_DEFINE([GIT_VERSION], [1], [include git version info])
860 else with_pkg_git_version="no"
861 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
864 AM_CONDITIONAL([GIT_VERSION], [test "$with_pkg_git_version" = "yes"])
866 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
867 if test "$OBJCOPY" != ":"; then
868 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
870 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
871 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
872 frr_cv_interp="`xargs -0 echo < conftest.interp`"
874 test -f conftest.interp && rm conftest.interp
878 if test -n "$frr_cv_interp"; then
879 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
882 dnl -------------------------
883 dnl Check other header files.
884 dnl -------------------------
885 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
886 linux/version.h asm/types.h])
888 ac_stdatomic_ok=false
889 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
890 AC_CHECK_HEADER([stdatomic.h],[
892 AC_MSG_CHECKING([whether _Atomic qualifier works])
893 AC_LINK_IFELSE([AC_LANG_SOURCE([[
894 #include <stdatomic.h>
895 int main(int argc, char **argv) {
900 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
908 AS_IF([$ac_stdatomic_ok], [true], [
909 AC_MSG_CHECKING([for __atomic_* builtins])
910 AC_LINK_IFELSE([AC_LANG_SOURCE([[
911 int main(int argc, char **argv) {
913 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
914 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
917 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
922 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
923 AC_MSG_CHECKING([for __sync_* builtins])
924 AC_LINK_IFELSE([AC_LANG_SOURCE([[
925 int main(int argc, char **argv) {
927 __sync_fetch_and_sub (&i, 1);
928 return __sync_val_compare_and_swap (&i, 0, 1);
931 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
934 AC_MSG_CHECKING([for __sync_swap builtin])
935 AC_LINK_IFELSE([AC_LANG_SOURCE([[
936 int main(int argc, char **argv) {
938 return __sync_swap (&i, 2);
941 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
949 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
954 AC_CHECK_HEADERS([pthread_np.h],,, [
957 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np pthread_getthreadid_np])
963 AC_MSG_CHECKING([for Linux futex() support])
964 AC_LINK_IFELSE([AC_LANG_PROGRAM([
970 #include <sys/time.h>
971 #include <sys/syscall.h>
972 #include <linux/futex.h>
978 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
982 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
991 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
992 AC_LINK_IFELSE([AC_LANG_PROGRAM([
995 #include <sys/types.h>
996 #include <sys/umtx.h>
1001 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
1004 AC_MSG_RESULT([yes])
1005 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
1012 AS_IF([$needsync], [
1013 dnl OpenBSD patch (not upstream at the time of writing this)
1014 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
1015 AC_MSG_CHECKING([for OpenBSD futex() support])
1016 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1017 #include <sys/futex.h>
1022 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1025 AC_MSG_RESULT([yes])
1026 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
1033 dnl Utility macro to avoid retyping includes all the time
1034 m4_define([FRR_INCLUDES],
1036 #define _POSIX_C_SOURCE 200809L
1037 #define __EXTENSIONS__
1042 #include <sys/types.h>
1043 /* sys/conf.h depends on param.h on FBSD at least */
1044 #include <sys/param.h>
1045 /* Required for MAXSIG */
1047 #include <sys/socket.h>
1049 # define __APPLE_USE_RFC_3542
1051 #include <netinet/in.h>
1052 #include <sys/time.h>
1057 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1058 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1059 dnl an additional round for it.
1061 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1063 m4_define([FRR_INCLUDES],
1065 [#ifdef HAVE_NET_IF_VAR_H
1066 # include <net/if_var.h>
1070 AC_CHECK_HEADERS([netinet/in_var.h \
1071 net/if_dl.h net/netopt.h \
1072 inet/nd.h netinet/ip_icmp.h \
1073 sys/sysctl.h sys/sockio.h sys/conf.h],
1074 [], [], [FRR_INCLUDES])
1076 AC_CHECK_HEADERS([ucontext.h], [], [],
1079 #endif /* __USE_GNU */
1083 m4_define([UCONTEXT_INCLUDES],
1084 [#include <ucontext.h>])dnl
1086 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1087 [], [], [UCONTEXT_INCLUDES])
1088 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1089 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1090 [], [], [UCONTEXT_INCLUDES])],
1091 [], [UCONTEXT_INCLUDES])
1092 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1093 [], [], [UCONTEXT_INCLUDES])
1095 m4_define([FRR_INCLUDES],
1099 #include <netinet/in_systm.h>
1100 #ifdef HAVE_NETINET_IN_VAR_H
1101 # include <netinet/in_var.h>
1103 #ifdef HAVE_NET_IF_DL_H
1104 # include <net/if_dl.h>
1106 #ifdef HAVE_NET_NETOPT_H
1107 # include <net/netopt.h>
1109 #include <net/route.h>
1110 #ifdef HAVE_INET_ND_H
1111 # include <inet/nd.h>
1113 #include <arpa/inet.h>
1114 /* Required for IDRP */
1115 #ifdef HAVE_NETINET_IP_ICMP_H
1116 # include <netinet/ip_icmp.h>
1120 dnl V6 headers are checked below, after we check for v6
1124 AC_MSG_CHECKING([which operating system interface to use])
1127 AC_MSG_FAILURE([Solaris support has been removed please see versions prior or equal to 7.5])
1130 AC_MSG_RESULT([Linux])
1132 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1133 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1134 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1136 dnl Linux has a compilation problem with mixing
1137 dnl netinet/in.h and linux/in6.h they are not
1138 dnl compatible. There has been discussion on
1139 dnl how to fix it but no real progress on implementation
1140 dnl when they fix it, remove this
1141 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1146 AC_MSG_RESULT([OpenBSD])
1148 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1149 AC_DEFINE([KAME], [1], [KAME IPv6])
1150 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1153 AC_MSG_RESULT([BSD])
1155 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1156 AC_DEFINE([KAME], [1], [KAME IPv6])
1157 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1160 AM_CONDITIONAL([LINUX], [${is_linux}])
1164 dnl ------------------------
1165 dnl Integrated REALMS option
1166 dnl ------------------------
1167 if test "$enable_realms" = "yes"; then
1170 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1173 echo "Sorry, only Linux has REALMS support"
1179 dnl -------------------------------
1180 dnl Endian-ness check
1181 dnl -------------------------------
1195 dnl ##########################################################################
1196 dnl LARGE if block spans a lot of "configure"!
1197 if test "$enable_clippy_only" != "yes"; then
1198 dnl ##########################################################################
1201 # Logic for protobuf support.
1204 if test "$enable_protobuf" = "yes"; then
1205 # Check for protoc & protoc-c
1207 # protoc is not required, it's only for a "be nice" helper target
1208 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1210 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
1211 if test "$PROTOC_C" = "/bin/false"; then
1212 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
1215 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
1216 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
1220 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h],
1221 [AC_CHECK_DECLS(PROTOBUF_C_LABEL_NONE,
1222 AC_DEFINE([HAVE_PROTOBUF_VERSION_3],
1223 [1], [Have Protobuf version 3]),
1225 [#include <google/protobuf-c/protobuf-c.h>])],
1226 [PROTO3=false && AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])])
1228 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
1232 dnl ---------------------
1233 dnl Integrated VTY option
1234 dnl ---------------------
1235 case "${enable_vtysh}" in
1240 AC_DEFINE([VTYSH], [1], [VTY shell])
1243 AC_CHECK_LIB([readline], [main], [
1244 LIBREADLINE="-lreadline"
1246 dnl readline failed - it might be incorrectly linked and missing its
1247 dnl termcap/tinfo/curses dependency. see if we can fix that...
1248 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1249 LIBREADLINE="$ac_cv_search_tputs"
1251 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1254 dnl re-try with the lib we found above
1255 unset ac_cv_lib_readline_main
1256 AC_CHECK_LIB([readline], [main], [
1257 LIBREADLINE="-lreadline $LIBREADLINE"
1259 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1264 AC_CHECK_HEADER([readline/history.h])
1265 if test "$ac_cv_header_readline_history_h" = "no"; then
1266 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1268 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1269 if test "$ac_cv_lib_readline_rl_completion_matches" = "no"; then
1270 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1272 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1273 if test "$frr_cv_append_history" = "yes"; then
1274 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1278 AC_SUBST([LIBREADLINE])
1283 dnl FRR detects the PAM library it is built against by checking for a
1284 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1285 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1286 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1287 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1290 if test "$with_libpam" = "yes"; then
1291 AC_CHECK_HEADER([security/pam_misc.h],
1292 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1293 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1294 pam_conv_func="misc_conv"
1297 AC_CHECK_HEADER([security/openpam.h],
1298 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1299 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1300 pam_conv_func="openpam_ttyconv"
1302 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1303 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1304 AC_MSG_WARN([*** pam support will not be built ***])
1309 if test "$with_libpam" = "yes"; then
1310 dnl took this test from proftpds configure.in and suited to our needs
1311 dnl -------------------------------------------------------------------------
1313 dnl This next check looks funky due to a linker problem with some versions
1314 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1315 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1316 dnl with RedHat 6.2 and Debian 2.2 or better.
1317 AC_CHECK_LIB([pam], [pam_start],
1318 [AC_CHECK_LIB([pam], [$pam_conv_func],
1319 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1321 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1322 LIBPAM="-lpam -lpam_misc"]
1326 [AC_CHECK_LIB([pam], [pam_end],
1327 [AC_CHECK_LIB([pam], [$pam_conv_func],
1328 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1329 LIBPAM="-lpam -ldl"],
1330 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1331 LIBPAM="-lpam -ldl -lpam_misc"]
1333 ],AC_MSG_WARN([*** pam support will not be built ***]),
1340 dnl -------------------------------
1341 dnl bgpd needs pow() and hence libm
1342 dnl -------------------------------
1345 AC_SEARCH_LIBS([pow], [m], [
1348 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1353 AC_CHECK_FUNCS([ppoll], [
1354 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1356 AC_CHECK_FUNCS([pollts], [
1357 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1360 AC_CHECK_HEADER([asm-generic/unistd.h],
1361 [AC_CHECK_DECL(__NR_setns,
1362 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1363 FRR_INCLUDES [#include <asm-generic/unistd.h>
1365 AC_CHECK_FUNCS([setns])]
1368 dnl --------------------------
1369 dnl Determine IS-IS I/O method
1370 dnl --------------------------
1371 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1372 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1373 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1374 AC_CHECK_HEADER([net/bpf.h])
1375 AC_CHECK_HEADER([sys/dlpi.h])
1376 AC_MSG_CHECKING([zebra IS-IS I/O method])
1380 AC_MSG_RESULT([pfpacket])
1381 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1384 if test "$ac_cv_header_net_bpf_h" = "no"; then
1385 if test "$ac_cv_header_sys_dlpi_h" = "no"; then
1386 AC_MSG_RESULT([none])
1387 if test "$enable_isisd" = "yes" -o "$enable_fabricd" = "yes"; then
1388 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1390 AC_MSG_WARN([*** IS-IS support will not be built ***])
1394 AC_MSG_RESULT([DLPI])
1396 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1398 AC_MSG_RESULT([BPF])
1399 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1403 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1405 dnl ---------------------------------------------------------------
1406 dnl figure out how to specify an interface in multicast sockets API
1407 dnl ---------------------------------------------------------------
1408 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1410 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1411 #include <sys/socket.h>
1412 #include <netinet/in.h>
1413 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1414 #include <linux/types.h>
1417 m4_define([FRR_INCLUDES],
1419 [#ifdef HAVE_LINUX_MROUTE_H
1420 # include <linux/mroute.h>
1424 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1425 #include <sys/socket.h>
1426 #include <sys/types.h>
1427 #include <netinet/in.h>
1428 #include <net/route.h>
1431 m4_define([FRR_INCLUDES],
1433 [#ifdef HAVE_NETINET_IP_MROUTE_H
1434 # include <netinet/ip_mroute.h>
1438 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1439 AC_TRY_COMPILE([#include <sys/param.h>],
1440 [#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)
1443 #error No support for BSD struct ip_mreq hack detected
1444 #endif],[AC_MSG_RESULT([yes])
1445 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1446 AC_MSG_RESULT([no]))
1448 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1450 #include <sys/types.h>
1451 #include <netinet/in.h>
1452 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1453 ], [AC_MSG_RESULT([yes])
1454 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1455 AC_MSG_RESULT([no]))
1457 dnl ---------------------------------------------------------------
1458 dnl figure out how to check link-state
1459 dnl ---------------------------------------------------------------
1460 AC_CHECK_HEADER([net/if_media.h],
1461 [m4_define([LINK_DETECT_INCLUDES],
1463 [#include <net/if_media.h>
1465 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1466 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1467 [], LINK_DETECT_INCLUDES)],
1471 dnl ---------------------------------------------------------------
1472 dnl Additional, newer way to check link-state using ifi_link_state.
1473 dnl Not available in all BSD's when ifmediareq available
1474 dnl ---------------------------------------------------------------
1475 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1476 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1479 dnl ------------------------
1480 dnl TCP_MD5SIG socket option
1481 dnl ------------------------
1483 AC_CHECK_HEADER([netinet/tcp.h],
1484 [m4_define([MD5_INCLUDES],
1486 [#include <netinet/tcp.h>
1488 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1491 if test "$ac_cv_have_decl_TCP_MD5SIG" = "no"; then
1492 AC_CHECK_HEADER([linux/tcp.h],
1493 [m4_define([MD5_INCLUDES],
1495 [#include <linux/tcp.h>
1497 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1500 AC_CHECK_LIB([crypt], [crypt], [],
1501 [AC_CHECK_LIB([crypto], [DES_crypt])])
1502 AC_CHECK_LIB([resolv], [res_init])
1504 dnl ---------------------------
1505 dnl check system has PCRE regexp
1506 dnl ---------------------------
1507 if test "$enable_pcreposix" = "yes"; then
1508 AC_CHECK_LIB([pcreposix], [regexec], [], [
1509 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1512 AC_SUBST([HAVE_LIBPCREPOSIX])
1514 dnl ##########################################################################
1515 dnl test "$enable_clippy_only" != "yes"
1517 dnl END OF LARGE if block
1518 dnl ##########################################################################
1520 dnl ------------------
1521 dnl check C-Ares library
1522 dnl ------------------
1523 PKG_CHECK_MODULES([CARES], [libcares], [
1528 AM_CONDITIONAL([CARES], [$c_ares_found])
1531 dnl ----------------------------------------------------------------------------
1532 dnl figure out if domainname is available in the utsname struct (GNU extension).
1533 dnl ----------------------------------------------------------------------------
1534 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1536 dnl ------------------
1537 dnl IPv6 header checks
1538 dnl ------------------
1539 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1540 netinet6/in6_var.h netinet6/nd6.h], [], [],
1543 m4_define([FRR_INCLUDES],dnl
1545 [#ifdef HAVE_NETINET6_IN6_H
1546 #include <netinet6/in6.h>
1548 #ifdef HAVE_NETINET_IN6_VAR_H
1549 #include <netinet/in6_var.h>
1551 #include <netinet/icmp6.h>
1552 #ifdef HAVE_NETINET6_IN6_VAR_H
1553 # include <netinet6/in6_var.h>
1555 #ifdef HAVE_NETINET6_ND6_H
1556 # include <netinet6/nd6.h>
1560 dnl --------------------
1561 dnl Daemon disable check
1562 dnl --------------------
1564 AS_IF([test "$enable_bgpd" != "no"], [
1565 AC_DEFINE([HAVE_BGPD], [1], [bgpd])
1568 AS_IF([test "$enable_ripd" != "no"], [
1569 AC_DEFINE([HAVE_RIPD], [1], [ripd])
1572 AS_IF([test "$enable_ripngd" != "no"], [
1573 AC_DEFINE([HAVE_RIPNGD], [1], [ripngd])
1576 AS_IF([test "$enable_ospfd" != "no"], [
1577 AC_DEFINE([HAVE_OSPFD], [1], [ospfd])
1580 AS_IF([test "$enable_ospf6d" != "no"], [
1581 AC_DEFINE([HAVE_OSPF6D], [1], [ospf6d])
1584 AS_IF([test "$enable_ldpd" != "no"], [
1585 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1588 AS_IF([test "$enable_nhrpd" != "no"], [
1589 AC_DEFINE([HAVE_NHRPD], [1], [nhrpd])
1592 AS_IF([test "$enable_eigrpd" != "no"], [
1593 AC_DEFINE([HAVE_EIGRPD], [1], [eigrpd])
1596 AS_IF([test "$enable_babeld" != "no"], [
1597 AC_DEFINE([HAVE_BABELD], [1], [babeld])
1600 AS_IF([test "$enable_isisd" != "no"], [
1601 AC_DEFINE([HAVE_ISISD], [1], [isisd])
1604 AS_IF([test "$enable_pimd" != "no"], [
1605 AC_DEFINE([HAVE_PIMD], [1], [pimd])
1608 AS_IF([test "$enable_pbrd" != "no"], [
1609 AC_DEFINE([HAVE_PBRD], [1], [pbrd])
1612 AS_IF([test "$enable_sharpd" = "yes"], [
1613 AC_DEFINE([HAVE_SHARPD], [1], [sharpd])
1616 AS_IF([test "$enable_staticd" != "no"], [
1617 AC_DEFINE([HAVE_STATICD], [1], [staticd])
1620 AS_IF([test "$enable_fabricd" != "no"], [
1621 AC_DEFINE([HAVE_FABRICD], [1], [fabricd])
1624 AS_IF([test "$enable_vrrpd" != "no"], [
1625 AC_DEFINE([HAVE_VRRPD], [1], [vrrpd])
1628 if test "$enable_bfdd" = "no"; then
1629 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1632 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1637 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1641 AC_DEFINE([BFD_BSD], [1], [bfdd])
1646 if test "$ac_cv_lib_json_c_json_object_get" = "no" -a "$BFDD" = "bfdd"; then
1647 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1653 case "${enable_nhrpd}" in
1657 if test "$enable_clippy_only" != "yes"; then
1658 if test "$c_ares_found" != "true" ; then
1659 AC_MSG_ERROR([nhrpd requires libcares. Please install c-ares and its -dev headers.])
1665 if test "$c_ares_found" = "true" ; then
1672 if test "$enable_nhrpd" = "yes"; then
1673 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1678 if test "$enable_watchfrr" = "no";then
1685 if test "$enable_ospfapi" != "no";then
1686 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1688 if test "$enable_ospfclient" != "no";then
1689 OSPFCLIENT="ospfclient"
1693 if test "$enable_bgp_announce" = "no";then
1694 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1696 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1699 if test "$enable_bgp_vnc" != "no";then
1700 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1704 case "${enable_bmp}" in
1708 if test "$c_ares_found" != "true" ; then
1709 AC_MSG_ERROR([BMP support requires libcares. Please install c-ares and its -dev headers.])
1714 if test "$c_ares_found" = "true" ; then
1720 if test "$enable_version_build_config" != "no";then
1721 AC_DEFINE([ENABLE_VERSION_BUILD_CONFIG], [1], [Report build configs in show version])
1724 dnl ##########################################################################
1726 if test "$enable_clippy_only" != "yes"; then
1727 dnl ##########################################################################
1729 dnl ------------------
1730 dnl check Net-SNMP library
1731 dnl ------------------
1732 if test "$enable_snmp" != "" -a "$enable_snmp" != "no"; then
1733 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1734 if test "$NETSNMP_CONFIG" = "no"; then
1735 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1737 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1738 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1739 # net-snmp lists all of its own dependencies. we absolutely do not want that
1740 # among other things we avoid a GPL vs. OpenSSL license conflict here
1741 for removelib in crypto ssl sensors pci wrap; do
1742 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1744 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1745 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1754 AC_MSG_ERROR([--enable-snmp given but not usable])])
1755 case "${enable_snmp}" in
1760 SNMP_METHOD="${enable_snmp}"
1763 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1766 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1767 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1769 AC_SUBST([SNMP_LIBS])
1770 AC_SUBST([SNMP_CFLAGS])
1775 PKG_CHECK_MODULES([LIBYANG], [libyang >= 1.0.184], , [
1776 AC_MSG_ERROR([libyang (>= 1.0.184) was not found on your system.])
1778 ac_cflags_save="$CFLAGS"
1779 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1780 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1781 AC_MSG_ERROR([m4_normalize([
1782 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1783 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1785 ], [[#include <libyang/libyang.h>]])
1786 CFLAGS="$ac_cflags_save"
1789 dnl configuration rollbacks
1792 if test "$enable_config_rollbacks" = "yes"; then
1793 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1794 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1795 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1798 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1805 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1806 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1807 if test "$CONFD" = "/bin/false"; then
1808 AC_MSG_ERROR([confd was not found on your system.])]
1810 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1811 AC_SUBST([CONFD_CFLAGS])
1812 CONFD_LIBS="-lconfd"
1813 AC_SUBST([CONFD_LIBS])
1814 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1820 if test "$enable_sysrepo" = "yes"; then
1821 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1822 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1825 AC_MSG_ERROR([sysrepo was not found on your system.])]
1832 if test "$enable_grpc" = "yes"; then
1833 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1834 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1835 if test "$PROTOC" = "/bin/false"; then
1836 AC_MSG_FAILURE([grpc requested but protoc not found.])
1839 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1843 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1850 if test "$enable_zeromq" != "no"; then
1851 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
1852 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
1855 if test "$enable_zeromq" = "yes"; then
1856 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1861 dnl ------------------------------------
1862 dnl Enable RPKI and add librtr to libs
1863 dnl ------------------------------------
1864 if test "$enable_rpki" = "yes"; then
1865 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
1868 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1872 dnl ------------------------------------
1873 dnl pimd is not supported on OpenBSD and MacOS
1874 dnl ------------------------------------
1875 if test "$enable_pimd" != "no"; then
1876 AC_MSG_CHECKING([for pimd OS support])
1887 AC_MSG_RESULT([yes])
1892 dnl -------------------------------------
1893 dnl VRRP is only supported on linux
1894 dnl -------------------------------------
1895 if test "$enable_vrrpd" != "no"; then
1896 AC_MSG_CHECKING([for VRRP OS support])
1899 AC_MSG_RESULT([yes])
1908 dnl ------------------------------------------
1909 dnl Check whether rtrlib was build with ssh support
1910 dnl ------------------------------------------
1911 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1912 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1913 [[struct tr_ssh_config config;]])],
1914 [AC_MSG_RESULT([yes])
1915 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
1922 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1923 AC_MSG_ERROR([unable to find the dlopen()])
1926 AC_CHECK_HEADERS([link.h])
1928 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1929 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1937 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1939 frr_cv_rtld_di_origin=yes
1941 frr_cv_rtld_di_origin=no
1944 if test "$frr_cv_rtld_di_origin" = "yes"; then
1945 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1948 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1949 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1956 struct link_map *lm = NULL;
1957 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1959 frr_cv_rtld_di_linkmap=yes
1961 frr_cv_rtld_di_linkmap=no
1964 if test "$frr_cv_rtld_di_linkmap" = "yes"; then
1965 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1968 dnl ##########################################################################
1969 dnl test "$enable_clippy_only" != "yes"
1971 dnl END OF LARGE if block
1972 dnl ##########################################################################
1974 dnl ---------------------------
1975 dnl sockaddr and netinet checks
1976 dnl ---------------------------
1979 struct vifctl, struct mfcctl, struct sioc_sg_req,
1980 vifi_t, struct sioc_vif_req, struct igmpmsg,
1981 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1982 struct nd_opt_adv_interval,
1983 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1984 struct nd_opt_rdnss, struct nd_opt_dnssl],
1985 [], [], FRR_INCLUDES)
1987 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1988 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1989 struct sockaddr_dl.sdl_len,
1990 struct if6_aliasreq.ifra_lifetime,
1991 struct nd_opt_adv_interval.nd_opt_ai_type],
1992 [], [], FRR_INCLUDES)
1994 dnl ---------------------------
1995 dnl IRDP/pktinfo/icmphdr checks
1996 dnl ---------------------------
1998 AC_CHECK_TYPES([struct in_pktinfo], [
1999 AC_CHECK_TYPES([struct icmphdr], [
2008 case "${enable_irdp}" in
2010 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
2018 dnl -----------------------
2019 dnl checking for IP_PKTINFO
2020 dnl -----------------------
2021 AC_MSG_CHECKING([for IP_PKTINFO])
2022 AC_TRY_COMPILE([#include <netdb.h>], [
2023 int opt = IP_PKTINFO;
2025 AC_MSG_RESULT([yes])
2026 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
2031 dnl ---------------------------
2032 dnl checking for IP_RECVDSTADDR
2033 dnl ---------------------------
2034 AC_MSG_CHECKING([for IP_RECVDSTADDR])
2035 AC_TRY_COMPILE([#include <netinet/in.h>], [
2036 int opt = IP_RECVDSTADDR;
2038 AC_MSG_RESULT([yes])
2039 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
2044 dnl ----------------------
2045 dnl checking for IP_RECVIF
2046 dnl ----------------------
2047 AC_MSG_CHECKING([for IP_RECVIF])
2048 AC_TRY_COMPILE([#include <netinet/in.h>], [
2049 int opt = IP_RECVIF;
2051 AC_MSG_RESULT([yes])
2052 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
2057 dnl ----------------------
2058 dnl checking for SO_BINDANY
2059 dnl ----------------------
2060 AC_MSG_CHECKING([for SO_BINDANY])
2061 AC_TRY_COMPILE([#include <sys/socket.h>], [
2062 int opt = SO_BINDANY;
2064 AC_MSG_RESULT([yes])
2065 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
2070 dnl ----------------------
2071 dnl checking for IP_FREEBIND
2072 dnl ----------------------
2073 AC_MSG_CHECKING([for IP_FREEBIND])
2074 AC_TRY_COMPILE([#include <netinet/in.h>], [
2075 int opt = IP_FREEBIND;
2077 AC_MSG_RESULT([yes])
2078 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
2083 dnl --------------------------------------
2084 dnl checking for be32dec existence or not
2085 dnl --------------------------------------
2086 AC_CHECK_DECLS([be32enc, be32dec], [], [],
2087 [#include <sys/endian.h>])
2089 dnl --------------------------------------
2090 dnl checking for clock_time monotonic struct and call
2091 dnl --------------------------------------
2092 AC_CHECK_DECL([CLOCK_MONOTONIC],
2093 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
2094 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
2095 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
2097 AC_SEARCH_LIBS([clock_nanosleep], [rt], [
2098 AC_DEFINE([HAVE_CLOCK_NANOSLEEP], [1], [Have clock_nanosleep()])
2101 dnl --------------------------------------
2102 dnl checking for flex and bison
2103 dnl --------------------------------------
2106 AC_MSG_CHECKING([version of flex])
2107 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
2108 frr_ac_flex_version="${frr_ac_flex_version##* }"
2109 AC_MSG_RESULT([$frr_ac_flex_version])
2110 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
2111 LEX="$SHELL $missing_dir/missing flex"
2112 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
2113 AC_MSG_WARN([using pregenerated flex output files])
2115 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
2117 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
2118 AC_SUBST([LEXLIB], [''])
2122 dnl thanks GNU bison for this b*llshit...
2123 AC_MSG_CHECKING([version of bison])
2124 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
2125 frr_ac_bison_version="${frr_ac_bison_version##* }"
2126 frr_ac_bison_missing="false"
2127 case "x${frr_ac_bison_version}x" in
2130 BISON_CLOSEBRACE='"'
2132 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
2135 AC_MSG_RESULT([$frr_ac_bison_version])
2136 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
2137 frr_ac_bison_missing="true"
2140 AC_MSG_RESULT([none])
2141 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
2142 frr_ac_bison_missing="true"
2146 BISON_CLOSEBRACE='}'
2147 BISON_VERBOSE='-Dparse.error=verbose'
2148 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 to 3.2])
2152 BISON_CLOSEBRACE='}'
2153 BISON_VERBOSE='-Dparse.error=verbose -Wno-yacc'
2154 AC_MSG_RESULT([$frr_ac_bison_version - 3.3 or newer])
2157 AC_SUBST([BISON_OPENBRACE])
2158 AC_SUBST([BISON_CLOSEBRACE])
2159 AC_SUBST([BISON_VERBOSE])
2161 if $frr_ac_bison_missing; then
2162 YACC="$SHELL $missing_dir/missing bison -y"
2163 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2164 AC_MSG_WARN([using pregenerated bison output files])
2166 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2170 dnl -------------------
2171 dnl capabilities checks
2172 dnl -------------------
2173 if test "$enable_capabilities" != "no"; then
2174 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2175 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2176 [AC_MSG_RESULT([yes])
2177 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2178 frr_ac_keepcaps="yes"],
2181 if test "$frr_ac_keepcaps" = "yes"; then
2182 AC_CHECK_HEADERS([sys/capability.h])
2184 if test "$ac_cv_header_sys_capability_h" = "yes"; then
2185 AC_CHECK_LIB([cap], [cap_init],
2186 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2191 if test "$frr_ac_scaps" = "yes" \
2192 -o "$frr_ac_lcaps" = "yes"; then
2193 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2198 if test "$enable_clippy_only" != "yes"; then
2199 if test "$frr_ac_lcaps" != "yes"; then
2200 AC_MSG_ERROR([libcap and/or its headers were not found. Running FRR without libcap support built in causes a huge performance penalty.])
2208 AC_MSG_WARN([Running FRR without libcap support built in causes a huge performance penalty.])
2214 dnl ---------------------------
2215 dnl check for glibc 'backtrace'
2216 dnl ---------------------------
2217 if test "$enable_backtrace" != "no" ; then
2219 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2220 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2226 if test "$backtrace_ok" = "no"; then
2227 AC_CHECK_HEADER([unwind.h], [
2228 AC_SEARCH_LIBS([unw_getcontext], [unwind], [
2229 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2235 if test "$backtrace_ok" = "no"; then
2236 AC_CHECK_HEADER([execinfo.h], [
2237 AC_SEARCH_LIBS([backtrace], [execinfo], [
2238 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2244 if test "$enable_backtrace" = "yes" -a "$backtrace_ok" = "no"; then
2245 dnl user explicitly requested backtrace but we failed to find support
2246 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2250 dnl -----------------------------------------
2251 dnl check for malloc mallinfo struct and call
2252 dnl this must try and link using LIBS, in
2253 dnl order to check no alternative allocator
2254 dnl has been specified, which might not provide
2256 dnl -----------------------------------------
2257 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2259 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2260 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2261 #ifdef HAVE_MALLOC_H
2264 #ifdef HAVE_MALLOC_NP_H
2265 #include <malloc_np.h>
2267 #ifdef HAVE_MALLOC_MALLOC_H
2268 #include <malloc/malloc.h>
2271 struct mallinfo ac_x; ac_x = mallinfo ();
2278 if test "$frr_cv_mallinfo" = "yes"; then
2279 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2282 AC_MSG_CHECKING([whether malloc_usable_size is available])
2283 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2284 #ifdef HAVE_MALLOC_H
2287 #ifdef HAVE_MALLOC_MALLOC_H
2288 #include <malloc/malloc.h>
2291 size_t ac_x; ac_x = malloc_usable_size(NULL);
2293 AC_MSG_RESULT([yes])
2294 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2298 AC_MSG_CHECKING([whether malloc_size is available])
2299 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2300 #ifdef HAVE_MALLOC_H
2303 #ifdef HAVE_MALLOC_MALLOC_H
2304 #include <malloc/malloc.h>
2307 size_t ac_x; ac_x = malloc_size(NULL);
2309 AC_MSG_RESULT([yes])
2310 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2319 dev_version=`echo $VERSION | grep dev`
2320 #don't expire deprecated code in non 'dev' branch
2321 if test "$dev_version" = ""; then
2324 CONFDATE=`date '+%Y%m%d'`
2326 AC_SUBST([CONFDATE])
2328 dnl ------------------------------
2329 dnl set paths for state directory
2330 dnl ------------------------------
2331 AC_MSG_CHECKING([directory to use for state file])
2332 if test "$prefix" = "NONE"; then
2333 frr_statedir_prefix="";
2335 frr_statedir_prefix=${prefix}
2337 if test "$localstatedir" = '${prefix}/var'; then
2338 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2339 ${frr_statedir_prefix}/var/adm dnl
2340 ${frr_statedir_prefix}/etc dnl
2346 test -d $FRR_STATE_DIR && break
2348 frr_statedir=$FRR_STATE_DIR
2350 frr_statedir=${localstatedir}
2352 if test "$frr_statedir" = "/dev/null"; then
2353 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2355 AC_MSG_RESULT([${frr_statedir}])
2356 AC_SUBST([frr_statedir])
2358 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir%s%s/ldpd.sock"], [ldpd control socket])
2359 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir%s%s/zserv.api"], [zebra api socket])
2360 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir%s%s/bfdd.sock"], [bfdd control socket])
2361 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir%s%s"], [daemon vty directory])
2362 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2364 dnl autoconf does this, but it does it too late...
2365 test "$prefix" = "NONE" && prefix=$ac_default_prefix
2366 test "$exec_prefix" = "NONE" && exec_prefix='${prefix}'
2368 dnl get the full path, recursing through variables...
2369 vtysh_bin="$bindir/vtysh"
2370 for I in 1 2 3 4 5 6 7 8 9 10; do
2371 eval vtysh_bin="\"$vtysh_bin\""
2373 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2374 AC_SUBST([vtysh_bin])
2376 CFG_SYSCONF="$sysconfdir"
2378 CFG_STATE="$frr_statedir"
2379 CFG_MODULE="$moduledir"
2380 CFG_YANGMODELS="$yangmodelsdir"
2381 for I in 1 2 3 4 5 6 7 8 9 10; do
2382 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2383 eval CFG_SBIN="\"$CFG_SBIN\""
2384 eval CFG_STATE="\"$CFG_STATE\""
2385 eval CFG_MODULE="\"$CFG_MODULE\""
2386 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2388 AC_SUBST([CFG_SYSCONF])
2389 AC_SUBST([CFG_SBIN])
2390 AC_SUBST([CFG_STATE])
2391 AC_SUBST([CFG_MODULE])
2392 AC_SUBST([CFG_YANGMODELS])
2393 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2394 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2395 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2397 dnl various features
2398 AM_CONDITIONAL([SUPPORT_REALMS], [test "$enable_realms" = "yes"])
2399 AM_CONDITIONAL([ENABLE_BGP_VNC], [test "$enable_bgp_vnc" != "no"])
2400 AM_CONDITIONAL([BGP_BMP], [$bgpd_bmp])
2402 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
2403 AM_CONDITIONAL([CONFD], [test "$enable_confd" != ""])
2404 AM_CONDITIONAL([SYSREPO], [test "$enable_sysrepo" = "yes"])
2405 AM_CONDITIONAL([GRPC], [test "$enable_grpc" = "yes"])
2406 AM_CONDITIONAL([ZEROMQ], [test "$ZEROMQ" = "true"])
2408 AM_CONDITIONAL([RPKI], [test "$RPKI" = "true"])
2409 AM_CONDITIONAL([SNMP], [test "$SNMP_METHOD" = "agentx"])
2410 AM_CONDITIONAL([IRDP], [$IRDP])
2411 AM_CONDITIONAL([FPM], [test "$enable_fpm" = "yes"])
2412 AM_CONDITIONAL([HAVE_PROTOBUF], [test "$enable_protobuf" = "yes"])
2413 AM_CONDITIONAL([HAVE_PROTOBUF3], [$PROTO3])
2415 AM_CONDITIONAL([VTYSH], [test "$VTYSH" = "vtysh"])
2416 AM_CONDITIONAL([ZEBRA], [test "$enable_zebra" != "no"])
2417 AM_CONDITIONAL([BGPD], [test "$enable_bgpd" != "no"])
2418 AM_CONDITIONAL([RIPD], [test "$enable_ripd" != "no"])
2419 AM_CONDITIONAL([OSPFD], [test "$enable_ospfd" != "no"])
2420 AM_CONDITIONAL([LDPD], [test "$enable_ldpd" != "no"])
2421 AM_CONDITIONAL([BFDD], [test "$BFDD" = "bfdd"])
2422 AM_CONDITIONAL([NHRPD], [test "$NHRPD" = "nhrpd"])
2423 AM_CONDITIONAL([EIGRPD], [test "$enable_eigrpd" != "no"])
2424 AM_CONDITIONAL([WATCHFRR], [test "$WATCHFRR" = "watchfrr"])
2425 AM_CONDITIONAL([OSPFCLIENT], [test "$OSPFCLIENT" = "ospfclient"])
2426 AM_CONDITIONAL([RIPNGD], [test "$enable_ripngd" != "no"])
2427 AM_CONDITIONAL([BABELD], [test "$enable_babeld" != "no"])
2428 AM_CONDITIONAL([OSPF6D], [test "$enable_ospf6d" != "no"])
2429 AM_CONDITIONAL([ISISD], [test "$enable_isisd" != "no"])
2430 AM_CONDITIONAL([PIMD], [test "$enable_pimd" != "no"])
2431 AM_CONDITIONAL([PBRD], [test "$enable_pbrd" != "no"])
2432 AM_CONDITIONAL([SHARPD], [test "$enable_sharpd" = "yes"])
2433 AM_CONDITIONAL([STATICD], [test "$enable_staticd" != "no"])
2434 AM_CONDITIONAL([FABRICD], [test "$enable_fabricd" != "no"])
2435 AM_CONDITIONAL([VRRPD], [test "$enable_vrrpd" != "no"])
2437 AC_CONFIG_FILES([Makefile],[
2438 test "$enable_dev_build" = "yes" && makefile_devbuild="--dev-build"
2439 ${PYTHON} "${ac_abs_top_srcdir}/python/makefile.py" ${makefile_devbuild} || exit 1
2442 enable_dev_build="$enable_dev_build"
2450 snapcraft/snapcraft.yaml
2452 tests/lib/cli/test_cli.refout
2453 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2454 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2457 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2458 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2459 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2460 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2461 AC_CONFIG_FILES([tools/frrcommon.sh])
2463 AC_CONFIG_COMMANDS([lib/route_types.h], [
2464 dst="${ac_abs_top_builddir}/lib/route_types.h"
2465 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2466 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2469 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2470 && rm "${dst}.tmp" \
2471 || mv "${dst}.tmp" "${dst}"
2476 AS_IF([test "$with_pkg_git_version" = "yes"], [
2477 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2478 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2479 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2480 "${ac_abs_top_srcdir}" \
2483 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2484 && rm "${dst}.tmp" \
2485 || mv "${dst}.tmp" "${dst}"
2491 ## Hack, but working solution to avoid rebuilding of frr.info.
2492 ## It's already in CVS until texinfo 4.7 is more common.
2496 FRRouting configuration
2497 ------------------------------
2498 FRR version : ${PACKAGE_VERSION}
2499 host operating system : ${host_os}
2500 source code location : ${srcdir}
2502 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2504 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2505 state file directory : ${frr_statedir}
2506 config file directory : `eval echo \`echo ${sysconfdir}\``
2507 example directory : `eval echo \`echo ${exampledir}\``
2508 module directory : ${CFG_MODULE}
2509 user to run as : ${enable_user}
2510 group to run as : ${enable_group}
2511 group for vty sockets : ${enable_vty_group}
2512 config file mask : ${enable_configfile_mask}
2513 log file mask : ${enable_logfile_mask}
2514 zebra protobuf enabled : ${enable_protobuf:-no}
2516 The above user and group must have read/write access to the state file
2517 directory and to the config files in the config file directory."
2519 if test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" = "false"; then
2520 AC_MSG_WARN([sphinx is missing but required to build documentation])
2522 if test "$frr_py_mod_pytest" = "false"; then
2523 AC_MSG_WARN([pytest is missing, unit tests cannot be performed])