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], [7.4-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 "x$pkgsrcrcdir" != "x"])
127 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${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([[]])],
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="$CC -std=gnu11"])
244 dnl if the user has specified any CFLAGS, override our settings
245 if test "x${enable_gcov}" = "xyes"; then
246 if test "z$orig_cflags" = "z"; then
247 AC_C_FLAG([-coverage])
251 LDFLAGS="${LDFLAGS} -lgcov"
254 if test "x${enable_clang_coverage}" = "xyes"; then
255 AC_C_FLAG([-fprofile-instr-generate], [
256 AC_MSG_ERROR([$CC does not support -fprofile-instr-generate.])
258 AC_C_FLAG([-fcoverage-mapping], [
259 AC_MSG_ERROR([$CC does not support -fcoverage-mapping.])
263 if test "x${enable_dev_build}" = "xyes"; then
264 AC_DEFINE([DEV_BUILD], [1], [Build for development])
265 if test "z$orig_cflags" = "z"; then
269 if test "x${enable_lua}" = "xyes"; then
273 AC_DEFINE([HAVE_LUA], [1], [Have support for Lua interpreter])
274 LIBS="$LIBS $LUA_LIB"
278 if test "x${enable_lua}" = "xyes"; then
279 AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
281 if test "z$orig_cflags" = "z"; then
286 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
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])
298 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
299 AC_C_FLAG([-Wcast-qual])
300 AC_C_FLAG([-Wstrict-prototypes])
301 AC_C_FLAG([-Wmissing-noreturn])
302 AC_C_FLAG([-Wmissing-format-attribute])
303 AC_C_FLAG([-Wunreachable-code])
304 AC_C_FLAG([-Wpacked])
305 AC_C_FLAG([-Wpadded])
306 AC_C_FLAG([-Wshadow])
308 AC_C_FLAG([-Wno-unused-result])
310 AC_C_FLAG([-Wno-unused-parameter])
311 AC_C_FLAG([-Wno-missing-field-initializers])
313 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
314 AC_SUBST([CXX_COMPAT_CFLAGS])
316 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
317 dnl for some reason the string consts get 'promoted' to char *,
318 dnl triggering a const to non-const conversion warning.
319 AC_C_FLAG([-diag-disable 3179])
321 if test x"${enable_werror}" = x"yes" ; then
327 if test "$enable_address_sanitizer" = "yes"; then
328 AC_C_FLAG([-fsanitize=address], [
329 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
331 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
334 if test "$enable_thread_sanitizer" = "yes"; then
335 AC_C_FLAG([-fsanitize=thread], [
336 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
338 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
341 if test "$enable_memory_sanitizer" = "yes"; then
342 AC_C_FLAG([-fsanitize=memory -fPIE -pie], [
343 AC_MSG_ERROR([$CC does not support Memory Sanitizer.])
345 SAN_FLAGS="$SAN_FLAGS -fsanitize=memory -fPIE -pie"
348 if test "$enable_undefined_sanitizer" = "yes"; then
349 AC_C_FLAG([-fsanitize=undefined], [
350 AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.])
352 SAN_FLAGS="$SAN_FLAGS -fsanitize=undefined"
355 AC_SUBST([SAN_FLAGS])
363 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
364 LIBS="$PTHREAD_LIBS $LIBS"
366 AC_MSG_FAILURE([This FRR version needs pthreads])
369 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
370 [frr_cv_pthread_condattr_setclock=yes],
371 [frr_cv_pthread_condattr_setclock=no])
372 if test "$frr_cv_pthread_condattr_setclock" = yes; then
373 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
381 AC_CHECK_TOOL([AR], [ar])
386 AC_ARG_ENABLE([static-bin],
387 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
390 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
391 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
393 if test "$enable_static_bin" = "yes"; then
395 if test "$enable_static" != "yes"; then
396 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
399 if test "$enable_shared" != "yes"; then
400 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
402 AC_SUBST([AC_LDFLAGS])
403 AM_CONDITIONAL([STATIC_BIN], [test "x$enable_static_bin" = "xyes"])
405 dnl $AR and $RANLIB are set by LT_INIT above
406 AC_MSG_CHECKING([whether $AR supports D option])
407 if $AR crD conftest.a >/dev/null 2>/dev/null; then
409 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
420 AC_MSG_CHECKING([whether $RANLIB supports D option])
421 if $RANLIB -D conftest.a >conftest.err 2>&1; then
422 if grep -q -- '-D' conftest.err; then
433 test -f conftest.err && rm conftest.err
434 test -f conftest.a && rm conftest.a
436 dnl ----------------------
437 dnl Packages configuration
438 dnl ----------------------
439 if test -f config.version; then
441 elif test -f "${srcdir}/config.version"; then
442 . "${srcdir}/config.version"
444 AC_ARG_WITH([pkg-extra-version],
445 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
446 if test "$withval" = "no"; then
449 EXTRAVERSION=$withval
452 AC_ARG_WITH([pkg-git-version],
453 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
454 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
455 AC_ARG_WITH([clippy],
456 AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program]))
457 AC_ARG_WITH([vtysh_pager],
458 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
459 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
460 AC_ARG_ENABLE([vtysh],
461 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
463 AS_HELP_STRING([--disable-doc], [do not build docs]))
464 AC_ARG_ENABLE([doc-html],
465 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
466 AC_ARG_ENABLE([zebra],
467 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
468 AC_ARG_ENABLE([bgpd],
469 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
470 AC_ARG_ENABLE([ripd],
471 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
472 AC_ARG_ENABLE([ripngd],
473 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
474 AC_ARG_ENABLE([ospfd],
475 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
476 AC_ARG_ENABLE([ospf6d],
477 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
478 AC_ARG_ENABLE([ldpd],
479 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
480 AC_ARG_ENABLE([nhrpd],
481 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
482 AC_ARG_ENABLE([eigrpd],
483 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
484 AC_ARG_ENABLE([babeld],
485 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
486 AC_ARG_ENABLE([watchfrr],
487 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
488 AC_ARG_ENABLE([isisd],
489 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
490 AC_ARG_ENABLE([pimd],
491 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
492 AC_ARG_ENABLE([pbrd],
493 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
494 AC_ARG_ENABLE([sharpd],
495 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
496 AC_ARG_ENABLE([staticd],
497 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
498 AC_ARG_ENABLE([fabricd],
499 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
500 AC_ARG_ENABLE([vrrpd],
501 AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
502 AC_ARG_ENABLE([bgp-announce],
503 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
504 AC_ARG_ENABLE([bgp-vnc],
505 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
506 AC_ARG_ENABLE([bgp-bmp],
507 AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support]))
508 AC_ARG_ENABLE([snmp],
509 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
510 AC_ARG_ENABLE([config_rollbacks],
511 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
512 AC_ARG_ENABLE([confd],
513 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
514 AC_ARG_ENABLE([sysrepo],
515 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
516 AC_ARG_ENABLE([grpc],
517 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
518 AC_ARG_ENABLE([zeromq],
519 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
520 AC_ARG_WITH([libpam],
521 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
522 AC_ARG_ENABLE([ospfapi],
523 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
524 AC_ARG_ENABLE([ospfclient],
525 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
526 (this is the default if --disable-ospfapi is set)]))
527 AC_ARG_ENABLE([multipath],
528 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
529 AC_ARG_ENABLE([user],
530 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
531 AC_ARG_ENABLE([group],
532 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
533 AC_ARG_ENABLE([vty_group],
534 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
535 AC_ARG_ENABLE([configfile_mask],
536 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
537 AC_ARG_ENABLE([logfile_mask],
538 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
539 AC_ARG_ENABLE([shell_access],
540 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
541 AC_ARG_ENABLE([realms],
542 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
543 AC_ARG_ENABLE([rtadv],
544 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
545 AC_ARG_ENABLE([irdp],
546 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
547 AC_ARG_ENABLE([capabilities],
548 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
549 AC_ARG_ENABLE([rusage],
550 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
551 AC_ARG_ENABLE([gcc_ultra_verbose],
552 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
553 AC_ARG_ENABLE([backtrace],
554 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
555 AC_ARG_ENABLE([time-check],
556 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
557 AC_ARG_ENABLE([cpu-time],
558 AS_HELP_STRING([--disable-cpu-time], [disable cpu usage data gathering]))
559 AC_ARG_ENABLE([pcreposix],
560 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
562 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
563 AC_ARG_ENABLE([systemd],
564 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
565 AC_ARG_ENABLE([werror],
566 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
567 AC_ARG_ENABLE([cumulus],
568 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
569 AC_ARG_ENABLE([datacenter],
570 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
571 AC_ARG_ENABLE([fuzzing],
572 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
573 AC_ARG_ENABLE([netlink_fuzzing],
574 AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
575 AC_ARG_ENABLE([rr-semantics],
576 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
577 AC_ARG_ENABLE([protobuf],
578 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
579 AC_ARG_ENABLE([oldvpn_commands],
580 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
581 AC_ARG_ENABLE([rpki],
582 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
583 AC_ARG_ENABLE([clippy-only],
584 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
585 AC_ARG_ENABLE([numeric_version],
586 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
587 AC_ARG_ENABLE([gcov],
588 AS_HELP_STRING([--enable-gcov], [Collect coverage information with gcov]))
589 AC_ARG_ENABLE([clang_coverage],
590 AS_HELP_STRING([--enable-clang-coverage], [Collect coverage information with Clang Coverage]))
591 AC_ARG_ENABLE([bfdd],
592 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
593 AC_ARG_ENABLE([address-sanitizer],
594 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
595 AC_ARG_ENABLE([thread-sanitizer],
596 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
597 AC_ARG_ENABLE([memory-sanitizer],
598 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
599 AC_ARG_ENABLE([undefined-sanitizer],
600 AS_HELP_STRING([--undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior]))
601 AC_ARG_WITH([crypto],
602 AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))
604 #if openssl, else use the internal
605 AS_IF([test x"${with_crypto}" = x"openssl"], [
606 AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], [])
607 if test $ac_cv_lib_crypto_EVP_DigestInit = no; then
608 AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system])
610 AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support])
612 ], [test x"${with_crypto}" = x"internal" || test x"${with_crypto}" = x"" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation])
613 ], [AC_MSG_ERROR([Unknown value for --with-crypto])]
616 AS_IF([test "${enable_clippy_only}" != "yes"], [
617 AC_CHECK_HEADERS([json-c/json.h])
618 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
619 if test "$ac_cv_lib_json_c_json_object_get" = no; then
620 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
621 if test "$ac_cv_lib_json_json_object_get" = no; then
622 AC_MSG_ERROR([libjson is needed to compile])
627 AC_ARG_ENABLE([dev_build],
628 AS_HELP_STRING([--enable-dev-build], [build for development]))
631 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
633 if test x"${enable_time_check}" != x"no" ; then
634 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
635 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
637 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
641 case "${enable_cpu_time}" in
643 AC_DEFINE([EXCLUDE_CPU_TIME], [1], [Exclude getrusage data gathering])
649 case "${enable_systemd}" in
652 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
653 if test $ac_cv_lib_systemd_sd_notify = no; then
654 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
656 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
662 if test "${enable_rr_semantics}" != "no" ; then
663 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
666 if test "${enable_datacenter}" = "yes" ; then
667 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
668 AC_MSG_WARN([The --enable-datacenter compile time option is deprecated. Please modify the init script to pass -F datacenter to the daemons instead.])
669 DFLT_NAME="datacenter"
671 DFLT_NAME="traditional"
674 if test "${enable_fuzzing}" = "yes" ; then
675 AC_DEFINE([HANDLE_ZAPI_FUZZING], [1], [Compile extensions to use with a fuzzer])
678 if test "${enable_netlink_fuzzing}" = "yes" ; then
679 AC_DEFINE([HANDLE_NETLINK_FUZZING], [1], [Compile extensions to use with a fuzzer for netlink])
682 if test "${enable_cumulus}" = "yes" ; then
683 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
686 AC_SUBST([DFLT_NAME])
687 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
689 if test "${enable_shell_access}" = "yes"; then
690 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
697 AS_IF([test "$host" = "$build"], [
703 FRR_PYTHON_MODULES([pytest])
705 if test "${enable_doc}" != "no"; then
706 FRR_PYTHON_MODULES([sphinx], , [
707 if test "${enable_doc}" = "yes"; then
708 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.])
712 AM_CONDITIONAL([DOC], [test "${enable_doc}" != "no" -a "$frr_py_mod_sphinx" != "false"])
713 AM_CONDITIONAL([DOC_HTML], [test "${enable_doc_html}" = "yes"])
715 FRR_PYTHON_MOD_EXEC([sphinx], [--version], [
718 PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'"
723 # Logic for old vpn commands support.
725 if test "$enable_oldvpn_commands" = "yes"; then
726 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
730 # End of logic for protobuf support.
733 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
734 if test "${enable_rtadv}" != "no"; then
736 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
741 if test x"${enable_user}" = x"no"; then
744 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
747 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
750 if test x"${enable_group}" = x"no"; then
753 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
756 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
759 if test x"${enable_vty_group}" = x"yes" ; then
760 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
761 elif test x"${enable_vty_group}" != x""; then
762 if test x"${enable_vty_group}" != x"no"; then
763 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
766 AC_SUBST([enable_user])
767 AC_SUBST([enable_group])
768 AC_SUBST([enable_vty_group])
770 enable_configfile_mask=${enable_configfile_mask:-0600}
771 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
773 enable_logfile_mask=${enable_logfile_mask:-0600}
774 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
778 case "${enable_multipath}" in
782 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
783 MPATH_NUM="${enable_multipath}"
788 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
792 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
794 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
796 dnl --------------------
797 dnl Enable code coverage
798 dnl --------------------
799 AM_CONDITIONAL([HAVE_GCOV], [test '!' "$enable_gcov" = no])
801 dnl ------------------------------------
802 dnl Alpine only accepts numeric versions
803 dnl ------------------------------------
804 if test "x${enable_numeric_version}" != "x" ; then
805 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
806 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
809 dnl -----------------------------------
810 dnl Add extra version string to package
811 dnl name, string and version fields.
812 dnl -----------------------------------
813 if test "x${EXTRAVERSION}" != "x" ; then
814 VERSION="${VERSION}${EXTRAVERSION}"
815 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
816 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
817 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
819 AC_SUBST([EXTRAVERSION])
821 if test "x$with_pkg_git_version" = "xyes"; then
822 if test -d "${srcdir}/.git"; then
823 AC_DEFINE([GIT_VERSION], [1], [include git version info])
824 else with_pkg_git_version="no"
825 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
828 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
830 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
831 if test "x${OBJCOPY}" != "x:"; then
832 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
834 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
835 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
836 frr_cv_interp="`xargs -0 echo < conftest.interp`"
838 test -f conftest.interp && rm conftest.interp
842 if test -n "$frr_cv_interp"; then
843 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
846 dnl -------------------------
847 dnl Check other header files.
848 dnl -------------------------
849 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
850 linux/version.h asm/types.h])
852 ac_stdatomic_ok=false
853 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
854 AC_CHECK_HEADER([stdatomic.h],[
856 AC_MSG_CHECKING([whether _Atomic qualifier works])
857 AC_LINK_IFELSE([AC_LANG_SOURCE([[
858 #include <stdatomic.h>
859 int main(int argc, char **argv) {
864 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
872 AS_IF([$ac_stdatomic_ok], [true], [
873 AC_MSG_CHECKING([for __atomic_* builtins])
874 AC_LINK_IFELSE([AC_LANG_SOURCE([[
875 int main(int argc, char **argv) {
877 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
878 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
881 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
886 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
887 AC_MSG_CHECKING([for __sync_* builtins])
888 AC_LINK_IFELSE([AC_LANG_SOURCE([[
889 int main(int argc, char **argv) {
891 __sync_fetch_and_sub (&i, 1);
892 return __sync_val_compare_and_swap (&i, 0, 1);
895 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
898 AC_MSG_CHECKING([for __sync_swap builtin])
899 AC_LINK_IFELSE([AC_LANG_SOURCE([[
900 int main(int argc, char **argv) {
902 return __sync_swap (&i, 2);
905 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
913 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
918 AC_CHECK_HEADERS([pthread_np.h],,, [
921 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
927 AC_MSG_CHECKING([for Linux futex() support])
928 AC_LINK_IFELSE([AC_LANG_PROGRAM([
934 #include <sys/time.h>
935 #include <sys/syscall.h>
936 #include <linux/futex.h>
942 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
946 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
955 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
956 AC_LINK_IFELSE([AC_LANG_PROGRAM([
959 #include <sys/types.h>
960 #include <sys/umtx.h>
965 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
969 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
977 dnl OpenBSD patch (not upstream at the time of writing this)
978 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
979 AC_MSG_CHECKING([for OpenBSD futex() support])
980 AC_LINK_IFELSE([AC_LANG_PROGRAM([
981 #include <sys/futex.h>
986 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
990 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
997 dnl Utility macro to avoid retyping includes all the time
998 m4_define([FRR_INCLUDES],
1000 #define _POSIX_C_SOURCE 200809L
1001 #define __EXTENSIONS__
1006 #include <sys/types.h>
1007 /* sys/conf.h depends on param.h on FBSD at least */
1008 #include <sys/param.h>
1009 /* Required for MAXSIG */
1011 #include <sys/socket.h>
1013 # define __APPLE_USE_RFC_3542
1015 #include <netinet/in.h>
1016 #include <sys/time.h>
1021 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1022 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1023 dnl an additional round for it.
1025 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1027 m4_define([FRR_INCLUDES],
1029 [#if HAVE_NET_IF_VAR_H
1030 # include <net/if_var.h>
1034 AC_CHECK_HEADERS([netinet/in_var.h \
1035 net/if_dl.h net/netopt.h \
1036 inet/nd.h netinet/ip_icmp.h \
1037 sys/sysctl.h sys/sockio.h sys/conf.h],
1038 [], [], [FRR_INCLUDES])
1040 AC_CHECK_HEADERS([ucontext.h], [], [],
1043 #endif /* __USE_GNU */
1047 m4_define([UCONTEXT_INCLUDES],
1048 [#include <ucontext.h>])dnl
1050 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1051 [], [], [UCONTEXT_INCLUDES])
1052 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1053 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1054 [], [], [UCONTEXT_INCLUDES])],
1055 [], [UCONTEXT_INCLUDES])
1056 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1057 [], [], [UCONTEXT_INCLUDES])
1059 m4_define([FRR_INCLUDES],
1063 #include <netinet/in_systm.h>
1064 #if HAVE_NETINET_IN_VAR_H
1065 # include <netinet/in_var.h>
1067 #if HAVE_NET_IF_DL_H
1068 # include <net/if_dl.h>
1070 #if HAVE_NET_NETOPT_H
1071 # include <net/netopt.h>
1073 #include <net/route.h>
1075 # include <inet/nd.h>
1077 #include <arpa/inet.h>
1078 /* Required for IDRP */
1079 #if HAVE_NETINET_IP_ICMP_H
1080 # include <netinet/ip_icmp.h>
1084 dnl V6 headers are checked below, after we check for v6
1088 AC_MSG_CHECKING([which operating system interface to use])
1091 AC_MSG_RESULT([Solaris])
1093 AC_DEFINE([SUNOS_5], [1], [SunOS 5])
1094 AC_DEFINE([SOLARIS_IPV6], [1], Solaris IPv6)
1095 AC_DEFINE([_POSIX_C_SOURCE], [200809L], [enable POSIX.1-2008 and XPG7/SUSv4])
1097 AC_CHECK_LIB([socket], [main])
1098 AC_CHECK_LIB([nsl], [main])
1099 AC_CHECK_LIB([umem], [main])
1101 AC_MSG_WARN([--Solaris support is being considered for deprecation, please let us know if you are still using this--])
1104 AC_MSG_RESULT([Linux])
1106 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1107 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1108 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1110 dnl Linux has a compilation problem with mixing
1111 dnl netinet/in.h and linux/in6.h they are not
1112 dnl compatible. There has been discussion on
1113 dnl how to fix it but no real progress on implementation
1114 dnl when they fix it, remove this
1115 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1120 AC_MSG_RESULT([OpenBSD])
1122 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1123 AC_DEFINE([KAME], [1], [KAME IPv6])
1124 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1126 if test "x${enable_pimd}" != "xno"; then
1131 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
1137 AC_MSG_RESULT([BSD])
1139 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1140 AC_DEFINE([KAME], [1], [KAME IPv6])
1141 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1144 AM_CONDITIONAL([SOLARIS], [test "${SOLARIS}" = "solaris"])
1145 AM_CONDITIONAL([LINUX], [${is_linux}])
1149 dnl ------------------------
1150 dnl Integrated REALMS option
1151 dnl ------------------------
1152 if test "${enable_realms}" = "yes"; then
1155 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1158 echo "Sorry, only Linux has REALMS support"
1164 dnl -------------------------------
1165 dnl Endian-ness check
1166 dnl -------------------------------
1176 dnl ##########################################################################
1177 dnl LARGE if block spans a lot of "configure"!
1178 if test "${enable_clippy_only}" != "yes"; then
1179 dnl ##########################################################################
1182 # Logic for protobuf support.
1185 if test "$enable_protobuf" = "yes"; then
1186 # Check for protoc & protoc-c
1188 # protoc is not required, it's only for a "be nice" helper target
1189 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1191 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
1192 if test "$PROTOC_C" = "/bin/false"; then
1193 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
1196 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
1197 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
1201 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h],
1202 [AC_CHECK_DECLS(PROTOBUF_C_LABEL_NONE,
1203 AC_DEFINE([HAVE_PROTOBUF_VERSION_3],
1204 [1], [Have Protobuf version 3]),
1206 [#include <google/protobuf-c/protobuf-c.h>])],
1207 [PROTO3=false && AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])])
1209 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
1213 dnl ---------------------
1214 dnl Integrated VTY option
1215 dnl ---------------------
1216 case "${enable_vtysh}" in
1221 AC_DEFINE([VTYSH], [1], [VTY shell])
1224 AC_CHECK_LIB([readline], [main], [
1225 LIBREADLINE="-lreadline"
1227 dnl readline failed - it might be incorrectly linked and missing its
1228 dnl termcap/tinfo/curses dependency. see if we can fix that...
1229 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1230 LIBREADLINE="$ac_cv_search_tputs"
1232 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1235 dnl re-try with the lib we found above
1236 unset ac_cv_lib_readline_main
1237 AC_CHECK_LIB([readline], [main], [
1238 LIBREADLINE="-lreadline $LIBREADLINE"
1240 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1245 AC_CHECK_HEADER([readline/history.h])
1246 if test $ac_cv_header_readline_history_h = no;then
1247 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1249 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1250 if test $ac_cv_lib_readline_rl_completion_matches = no; then
1251 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1253 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1254 if test "$frr_cv_append_history" = yes; then
1255 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1259 AC_SUBST([LIBREADLINE])
1264 dnl FRR detects the PAM library it is built against by checking for a
1265 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1266 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1267 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1268 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1271 if test "$with_libpam" = "yes"; then
1272 AC_CHECK_HEADER([security/pam_misc.h],
1273 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1274 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1275 pam_conv_func="misc_conv"
1278 AC_CHECK_HEADER([security/openpam.h],
1279 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1280 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1281 pam_conv_func="openpam_ttyconv"
1283 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1284 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1285 AC_MSG_WARN([*** pam support will not be built ***])
1290 if test "$with_libpam" = "yes"; then
1291 dnl took this test from proftpds configure.in and suited to our needs
1292 dnl -------------------------------------------------------------------------
1294 dnl This next check looks funky due to a linker problem with some versions
1295 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1296 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1297 dnl with RedHat 6.2 and Debian 2.2 or better.
1298 AC_CHECK_LIB([pam], [pam_start],
1299 [AC_CHECK_LIB([pam], [$pam_conv_func],
1300 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1302 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1303 LIBPAM="-lpam -lpam_misc"]
1307 [AC_CHECK_LIB([pam], [pam_end],
1308 [AC_CHECK_LIB([pam], [$pam_conv_func],
1309 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1310 LIBPAM="-lpam -ldl"],
1311 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1312 LIBPAM="-lpam -ldl -lpam_misc"]
1314 ],AC_MSG_WARN([*** pam support will not be built ***]),
1321 dnl -------------------------------
1322 dnl bgpd needs pow() and hence libm
1323 dnl -------------------------------
1326 AC_SEARCH_LIBS([pow], [m], [
1329 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1334 AC_CHECK_FUNCS([ppoll], [
1335 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1337 AC_CHECK_FUNCS([pollts], [
1338 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1341 AC_CHECK_HEADER([asm-generic/unistd.h],
1342 [AC_CHECK_DECL(__NR_setns,
1343 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1344 FRR_INCLUDES [#include <asm-generic/unistd.h>
1346 AC_CHECK_FUNCS([setns])]
1349 dnl --------------------------
1350 dnl Determine IS-IS I/O method
1351 dnl --------------------------
1352 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1353 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1354 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1355 AC_CHECK_HEADER([net/bpf.h])
1356 AC_CHECK_HEADER([sys/dlpi.h])
1357 AC_MSG_CHECKING([zebra IS-IS I/O method])
1361 AC_MSG_RESULT([pfpacket])
1362 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1365 AC_MSG_RESULT([DLPI])
1366 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1369 if test $ac_cv_header_net_bpf_h = no; then
1370 if test $ac_cv_header_sys_dlpi_h = no; then
1371 AC_MSG_RESULT([none])
1372 if test "${enable_isisd}" = yes -o "${enable_fabricd}" = yes; then
1373 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1375 AC_MSG_WARN([*** IS-IS support will not be built ***])
1379 AC_MSG_RESULT([DLPI])
1381 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1383 AC_MSG_RESULT([BPF])
1384 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1388 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1390 dnl ---------------------------------------------------------------
1391 dnl figure out how to specify an interface in multicast sockets API
1392 dnl ---------------------------------------------------------------
1393 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1395 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1396 #include <sys/socket.h>
1397 #include <netinet/in.h>
1398 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1399 #include <linux/types.h>
1402 m4_define([FRR_INCLUDES],
1404 [#if HAVE_LINUX_MROUTE_H
1405 # include <linux/mroute.h>
1409 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1410 #include <sys/socket.h>
1411 #include <sys/types.h>
1412 #include <netinet/in.h>
1413 #include <net/route.h>
1416 m4_define([FRR_INCLUDES],
1418 [#if HAVE_NETINET_IP_MROUTE_H
1419 # include <netinet/ip_mroute.h>
1423 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1424 AC_TRY_COMPILE([#include <sys/param.h>],
1425 [#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)
1428 #error No support for BSD struct ip_mreq hack detected
1429 #endif],[AC_MSG_RESULT([yes])
1430 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1431 AC_MSG_RESULT([no]))
1433 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1435 #include <sys/types.h>
1436 #include <netinet/in.h>
1437 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1438 ], [AC_MSG_RESULT([yes])
1439 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1440 AC_MSG_RESULT([no]))
1442 dnl ---------------------------------------------------------------
1443 dnl figure out how to check link-state
1444 dnl ---------------------------------------------------------------
1445 AC_CHECK_HEADER([net/if_media.h],
1446 [m4_define([LINK_DETECT_INCLUDES],
1448 [#include <net/if_media.h>
1450 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1451 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1452 [], LINK_DETECT_INCLUDES)],
1456 dnl ---------------------------------------------------------------
1457 dnl Additional, newer way to check link-state using ifi_link_state.
1458 dnl Not available in all BSD's when ifmediareq available
1459 dnl ---------------------------------------------------------------
1460 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1461 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1464 dnl ------------------------
1465 dnl TCP_MD5SIG socket option
1466 dnl ------------------------
1468 AC_CHECK_HEADER([netinet/tcp.h],
1469 [m4_define([MD5_INCLUDES],
1471 [#include <netinet/tcp.h>
1473 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1476 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1477 AC_CHECK_HEADER([linux/tcp.h],
1478 [m4_define([MD5_INCLUDES],
1480 [#include <linux/tcp.h>
1482 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1486 AC_CHECK_LIB([crypt], [crypt], [],
1487 [AC_CHECK_LIB([crypto], [DES_crypt])])
1488 AC_CHECK_LIB([resolv], [res_init])
1490 dnl ---------------------------
1491 dnl check system has PCRE regexp
1492 dnl ---------------------------
1493 if test "x$enable_pcreposix" = "xyes"; then
1494 AC_CHECK_LIB([pcreposix], [regexec], [], [
1495 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1498 AC_SUBST([HAVE_LIBPCREPOSIX])
1500 dnl ##########################################################################
1501 dnl test "${enable_clippy_only}" != "yes"
1503 dnl END OF LARGE if block
1504 dnl ##########################################################################
1506 dnl ------------------
1507 dnl check C-Ares library
1508 dnl ------------------
1509 PKG_CHECK_MODULES([CARES], [libcares], [
1514 AM_CONDITIONAL([CARES], [$c_ares_found])
1517 dnl ----------------------------------------------------------------------------
1518 dnl figure out if domainname is available in the utsname struct (GNU extension).
1519 dnl ----------------------------------------------------------------------------
1520 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1522 dnl ------------------
1523 dnl IPv6 header checks
1524 dnl ------------------
1525 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1526 netinet6/in6_var.h netinet6/nd6.h], [], [],
1529 m4_define([FRR_INCLUDES],dnl
1531 [#if HAVE_NETINET6_IN6_H
1532 #include <netinet6/in6.h>
1534 #if HAVE_NETINET_IN6_VAR_H
1535 #include <netinet/in6_var.h>
1537 #include <netinet/icmp6.h>
1538 #if HAVE_NETINET6_IN6_VAR_H
1539 # include <netinet6/in6_var.h>
1541 #if HAVE_NETINET6_ND6_H
1542 # include <netinet6/nd6.h>
1546 dnl --------------------
1547 dnl Daemon disable check
1548 dnl --------------------
1550 AS_IF([test "${enable_ldpd}" != "no"], [
1551 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1554 if test "$enable_bfdd" = "no"; then
1555 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1558 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1563 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1567 AC_DEFINE([BFD_BSD], [1], [bfdd])
1572 if test "$ac_cv_lib_json_c_json_object_get" = no -a "x$BFDD" = "xbfdd"; then
1573 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1579 case "${enable_nhrpd}" in
1583 if test "${enable_clippy_only}" != "yes"; then
1584 if test "$c_ares_found" != "true" ; then
1585 AC_MSG_ERROR([nhrpd requires libcares. Please install c-ares and its -dev headers.])
1591 if test "$c_ares_found" = "true" ; then
1598 if test "${enable_nhrpd}" = "yes"; then
1599 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1604 if test "${enable_watchfrr}" = "no";then
1611 if test "${enable_ospfapi}" != "no";then
1612 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1614 if test "${enable_ospfclient}" != "no";then
1615 OSPFCLIENT="ospfclient"
1619 if test "${enable_bgp_announce}" = "no";then
1620 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1622 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1625 if test "${enable_bgp_vnc}" != "no";then
1626 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1630 case "${enable_bmp}" in
1634 if test "$c_ares_found" != "true" ; then
1635 AC_MSG_ERROR([BMP support requires libcares. Please install c-ares and its -dev headers.])
1640 if test "$c_ares_found" = "true" ; then
1646 dnl ##########################################################################
1648 if test "${enable_clippy_only}" != "yes"; then
1649 dnl ##########################################################################
1651 dnl ------------------
1652 dnl check Net-SNMP library
1653 dnl ------------------
1654 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1655 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1656 if test x"$NETSNMP_CONFIG" = x"no"; then
1657 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1659 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1660 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1661 # net-snmp lists all of its own dependencies. we absolutely do not want that
1662 # among other things we avoid a GPL vs. OpenSSL license conflict here
1663 for removelib in crypto ssl sensors pci wrap; do
1664 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1666 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1667 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1676 AC_MSG_ERROR([--enable-snmp given but not usable])])
1677 case "${enable_snmp}" in
1682 SNMP_METHOD="${enable_snmp}"
1685 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1688 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1689 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1691 AC_SUBST([SNMP_LIBS])
1692 AC_SUBST([SNMP_CFLAGS])
1697 PKG_CHECK_MODULES([LIBYANG], [libyang >= 0.16.105], , [
1698 AC_MSG_ERROR([libyang (>= 0.16.105) was not found on your system.])
1700 ac_cflags_save="$CFLAGS"
1701 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1702 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1703 AC_MSG_ERROR([m4_normalize([
1704 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1705 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1707 ], [[#include <libyang/libyang.h>]])
1708 CFLAGS="$ac_cflags_save"
1711 dnl configuration rollbacks
1714 if test "$enable_config_rollbacks" = "yes"; then
1715 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1716 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1717 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1720 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1727 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1728 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1729 if test "x$CONFD" = "x/bin/false"; then
1730 AC_MSG_ERROR([confd was not found on your system.])]
1732 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1733 AC_SUBST([CONFD_CFLAGS])
1734 CONFD_LIBS="-lconfd"
1735 AC_SUBST([CONFD_LIBS])
1736 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1742 if test "$enable_sysrepo" = "yes"; then
1743 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1744 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1747 AC_MSG_ERROR([sysrepo was not found on your system.])]
1754 if test "$enable_grpc" = "yes"; then
1755 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1756 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1757 if test "$PROTOC" = "/bin/false"; then
1758 AC_MSG_FAILURE([grpc requested but protoc not found.])
1761 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1765 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1772 if test "x$enable_zeromq" != "xno"; then
1773 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
1774 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
1777 if test "x$enable_zeromq" = "xyes"; then
1778 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1783 dnl ------------------------------------
1784 dnl Enable RPKI and add librtr to libs
1785 dnl ------------------------------------
1786 if test "${enable_rpki}" = "yes"; then
1787 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
1790 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1794 dnl ------------------------------------------
1795 dnl Check whether rtrlib was build with ssh support
1796 dnl ------------------------------------------
1797 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1798 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1799 [[struct tr_ssh_config config;]])],
1800 [AC_MSG_RESULT([yes])
1801 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
1808 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1809 AC_MSG_ERROR([unable to find the dlopen()])
1812 AC_CHECK_HEADERS([link.h])
1814 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1815 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1823 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1825 frr_cv_rtld_di_origin=yes
1827 frr_cv_rtld_di_origin=no
1830 if test "$frr_cv_rtld_di_origin" = yes; then
1831 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1834 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1835 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1842 struct link_map *lm = NULL;
1843 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1845 frr_cv_rtld_di_linkmap=yes
1847 frr_cv_rtld_di_linkmap=no
1850 if test "$frr_cv_rtld_di_linkmap" = yes; then
1851 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1854 dnl ##########################################################################
1855 dnl test "${enable_clippy_only}" != "yes"
1857 dnl END OF LARGE if block
1858 dnl ##########################################################################
1860 dnl ---------------------------
1861 dnl sockaddr and netinet checks
1862 dnl ---------------------------
1865 struct vifctl, struct mfcctl, struct sioc_sg_req,
1866 vifi_t, struct sioc_vif_req, struct igmpmsg,
1867 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1868 struct nd_opt_adv_interval,
1869 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1870 struct nd_opt_rdnss, struct nd_opt_dnssl],
1871 [], [], FRR_INCLUDES)
1873 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1874 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1875 struct sockaddr_dl.sdl_len,
1876 struct if6_aliasreq.ifra_lifetime,
1877 struct nd_opt_adv_interval.nd_opt_ai_type],
1878 [], [], FRR_INCLUDES)
1880 dnl ---------------------------
1881 dnl IRDP/pktinfo/icmphdr checks
1882 dnl ---------------------------
1884 AC_CHECK_TYPES([struct in_pktinfo], [
1885 AC_CHECK_TYPES([struct icmphdr], [
1894 case "${enable_irdp}" in
1896 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1904 dnl -----------------------
1905 dnl checking for IP_PKTINFO
1906 dnl -----------------------
1907 AC_MSG_CHECKING([for IP_PKTINFO])
1908 AC_TRY_COMPILE([#include <netdb.h>], [
1909 int opt = IP_PKTINFO;
1911 AC_MSG_RESULT([yes])
1912 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
1917 dnl ---------------------------
1918 dnl checking for IP_RECVDSTADDR
1919 dnl ---------------------------
1920 AC_MSG_CHECKING([for IP_RECVDSTADDR])
1921 AC_TRY_COMPILE([#include <netinet/in.h>], [
1922 int opt = IP_RECVDSTADDR;
1924 AC_MSG_RESULT([yes])
1925 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
1930 dnl ----------------------
1931 dnl checking for IP_RECVIF
1932 dnl ----------------------
1933 AC_MSG_CHECKING([for IP_RECVIF])
1934 AC_TRY_COMPILE([#include <netinet/in.h>], [
1935 int opt = IP_RECVIF;
1937 AC_MSG_RESULT([yes])
1938 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
1943 dnl ----------------------
1944 dnl checking for SO_BINDANY
1945 dnl ----------------------
1946 AC_MSG_CHECKING([for SO_BINDANY])
1947 AC_TRY_COMPILE([#include <sys/socket.h>], [
1948 int opt = SO_BINDANY;
1950 AC_MSG_RESULT([yes])
1951 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
1956 dnl ----------------------
1957 dnl checking for IP_FREEBIND
1958 dnl ----------------------
1959 AC_MSG_CHECKING([for IP_FREEBIND])
1960 AC_TRY_COMPILE([#include <netinet/in.h>], [
1961 int opt = IP_FREEBIND;
1963 AC_MSG_RESULT([yes])
1964 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
1969 dnl --------------------------------------
1970 dnl checking for be32dec existence or not
1971 dnl --------------------------------------
1972 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1973 [#include <sys/endian.h>])
1975 dnl --------------------------------------
1976 dnl checking for clock_time monotonic struct and call
1977 dnl --------------------------------------
1978 AC_CHECK_DECL([CLOCK_MONOTONIC],
1979 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
1980 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
1981 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
1983 dnl --------------------------------------
1984 dnl checking for flex and bison
1985 dnl --------------------------------------
1988 AC_MSG_CHECKING([version of flex])
1989 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1990 frr_ac_flex_version="${frr_ac_flex_version##* }"
1991 AC_MSG_RESULT([$frr_ac_flex_version])
1992 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1993 LEX="$SHELL $missing_dir/missing flex"
1994 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1995 AC_MSG_WARN([using pregenerated flex output files])
1997 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1999 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
2000 AC_SUBST([LEXLIB], [''])
2004 dnl thanks GNU bison for this b*llshit...
2005 AC_MSG_CHECKING([version of bison])
2006 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
2007 frr_ac_bison_version="${frr_ac_bison_version##* }"
2008 frr_ac_bison_missing="false"
2009 case "x${frr_ac_bison_version}x" in
2012 BISON_CLOSEBRACE='"'
2014 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
2017 AC_MSG_RESULT([$frr_ac_bison_version])
2018 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
2019 frr_ac_bison_missing="true"
2022 AC_MSG_RESULT([none])
2023 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
2024 frr_ac_bison_missing="true"
2028 BISON_CLOSEBRACE='}'
2029 BISON_VERBOSE='-Dparse.error=verbose'
2030 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 to 3.2])
2034 BISON_CLOSEBRACE='}'
2035 BISON_VERBOSE='-Dparse.error=verbose -Wno-yacc'
2036 AC_MSG_RESULT([$frr_ac_bison_version - 3.3 or newer])
2039 AC_SUBST([BISON_OPENBRACE])
2040 AC_SUBST([BISON_CLOSEBRACE])
2041 AC_SUBST([BISON_VERBOSE])
2043 if $frr_ac_bison_missing; then
2044 YACC="$SHELL $missing_dir/missing bison -y"
2045 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2046 AC_MSG_WARN([using pregenerated bison output files])
2048 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2052 dnl -------------------
2053 dnl capabilities checks
2054 dnl -------------------
2055 if test "${enable_capabilities}" != "no"; then
2056 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2057 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2058 [AC_MSG_RESULT([yes])
2059 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2060 frr_ac_keepcaps="yes"],
2063 if test x"${frr_ac_keepcaps}" = x"yes"; then
2064 AC_CHECK_HEADERS([sys/capability.h])
2066 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
2067 AC_CHECK_LIB([cap], [cap_init],
2068 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2073 AC_CHECK_HEADERS([priv.h],
2074 [AC_MSG_CHECKING([Solaris style privileges are available])
2075 AC_TRY_COMPILE([#include <priv.h>], [getpflags(PRIV_AWARE);],
2076 [AC_MSG_RESULT([yes])
2077 AC_DEFINE([HAVE_SOLARIS_CAPABILITIES], [1], [getpflags])
2078 frr_ac_scaps="yes"],
2084 if test x"${frr_ac_scaps}" = x"yes" \
2085 -o x"${frr_ac_lcaps}" = x"yes"; then
2086 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2091 if test "${enable_clippy_only}" != "yes"; then
2092 if test "$frr_ac_lcaps" != "yes"; then
2093 AC_MSG_ERROR([libcap and/or its headers were not found. Running FRR without libcap support built in causes a huge performance penalty.])
2101 AC_MSG_WARN([Running FRR without libcap support built in causes a huge performance penalty.])
2107 dnl ---------------------------
2108 dnl check for glibc 'backtrace'
2109 dnl ---------------------------
2110 if test x"${enable_backtrace}" != x"no" ; then
2112 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2113 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2119 if test "$backtrace_ok" = "no"; then
2120 AC_CHECK_HEADER([unwind.h], [
2121 AC_SEARCH_LIBS([unw_getcontext], [unwind], [
2122 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2128 if test "$backtrace_ok" = "no"; then
2131 AC_CHECK_FUNCS([printstack], [
2132 AC_DEFINE([HAVE_PRINTSTACK], [1], [Solaris printstack])
2137 if test "$backtrace_ok" = no; then
2138 AC_CHECK_HEADER([execinfo.h], [
2139 AC_SEARCH_LIBS([backtrace], [execinfo], [
2140 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2147 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
2148 dnl user explicitly requested backtrace but we failed to find support
2149 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2153 dnl -----------------------------------------
2154 dnl check for malloc mallinfo struct and call
2155 dnl this must try and link using LIBS, in
2156 dnl order to check no alternative allocator
2157 dnl has been specified, which might not provide
2158 dnl mallinfo, e.g. such as Umem on Solaris.
2159 dnl -----------------------------------------
2160 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2162 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2163 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2164 #ifdef HAVE_MALLOC_H
2167 #ifdef HAVE_MALLOC_NP_H
2168 #include <malloc_np.h>
2170 #ifdef HAVE_MALLOC_MALLOC_H
2171 #include <malloc/malloc.h>
2174 struct mallinfo ac_x; ac_x = mallinfo ();
2181 if test "$frr_cv_mallinfo" = yes; then
2182 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2185 AC_MSG_CHECKING([whether malloc_usable_size is available])
2186 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2187 #ifdef HAVE_MALLOC_H
2190 #ifdef HAVE_MALLOC_MALLOC_H
2191 #include <malloc/malloc.h>
2194 size_t ac_x; ac_x = malloc_usable_size(NULL);
2196 AC_MSG_RESULT([yes])
2197 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2201 AC_MSG_CHECKING([whether malloc_size is available])
2202 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2203 #ifdef HAVE_MALLOC_H
2206 #ifdef HAVE_MALLOC_MALLOC_H
2207 #include <malloc/malloc.h>
2210 size_t ac_x; ac_x = malloc_size(NULL);
2212 AC_MSG_RESULT([yes])
2213 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2222 dev_version=`echo $VERSION | grep dev`
2223 #don't expire deprecated code in non 'dev' branch
2224 if test "${dev_version}" = ""; then
2227 CONFDATE=`date '+%Y%m%d'`
2229 AC_SUBST([CONFDATE])
2231 dnl ------------------------------
2232 dnl set paths for state directory
2233 dnl ------------------------------
2234 AC_MSG_CHECKING([directory to use for state file])
2235 if test "${prefix}" = "NONE"; then
2236 frr_statedir_prefix="";
2238 frr_statedir_prefix=${prefix}
2240 if test "${localstatedir}" = '${prefix}/var'; then
2241 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2242 ${frr_statedir_prefix}/var/adm dnl
2243 ${frr_statedir_prefix}/etc dnl
2249 test -d $FRR_STATE_DIR && break
2251 frr_statedir=$FRR_STATE_DIR
2253 frr_statedir=${localstatedir}
2255 if test $frr_statedir = "/dev/null"; then
2256 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2258 AC_MSG_RESULT([${frr_statedir}])
2259 AC_SUBST([frr_statedir])
2261 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir%s%s/ldpd.sock"], [ldpd control socket])
2262 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir%s%s/zserv.api"], [zebra api socket])
2263 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir%s%s/bfdd.sock"], [bfdd control socket])
2264 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir%s%s"], [daemon vty directory])
2265 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2267 dnl autoconf does this, but it does it too late...
2268 test "x$prefix" = xNONE && prefix=$ac_default_prefix
2269 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2271 dnl get the full path, recursing through variables...
2272 vtysh_bin="$bindir/vtysh"
2273 for I in 1 2 3 4 5 6 7 8 9 10; do
2274 eval vtysh_bin="\"$vtysh_bin\""
2276 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2277 AC_SUBST([vtysh_bin])
2279 CFG_SYSCONF="$sysconfdir"
2281 CFG_STATE="$frr_statedir"
2282 CFG_MODULE="$moduledir"
2283 CFG_YANGMODELS="$yangmodelsdir"
2284 for I in 1 2 3 4 5 6 7 8 9 10; do
2285 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2286 eval CFG_SBIN="\"$CFG_SBIN\""
2287 eval CFG_STATE="\"$CFG_STATE\""
2288 eval CFG_MODULE="\"$CFG_MODULE\""
2289 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2291 AC_SUBST([CFG_SYSCONF])
2292 AC_SUBST([CFG_SBIN])
2293 AC_SUBST([CFG_STATE])
2294 AC_SUBST([CFG_MODULE])
2295 AC_SUBST([CFG_YANGMODELS])
2296 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2297 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2298 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2300 dnl various features
2301 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
2302 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
2303 AM_CONDITIONAL([BGP_BMP], [$bgpd_bmp])
2305 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
2306 AM_CONDITIONAL([CONFD], [test "x$enable_confd" != "x"])
2307 AM_CONDITIONAL([SYSREPO], [test "x$enable_sysrepo" = "xyes"])
2308 AM_CONDITIONAL([GRPC], [test "x$enable_grpc" = "xyes"])
2309 AM_CONDITIONAL([ZEROMQ], [test "x$ZEROMQ" = "xtrue"])
2311 AM_CONDITIONAL([RPKI], [test "x$RPKI" = "xtrue"])
2312 AM_CONDITIONAL([SNMP], [test "x$SNMP_METHOD" = "xagentx"])
2313 AM_CONDITIONAL([IRDP], [$IRDP])
2314 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
2315 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$enable_protobuf" = "xyes"])
2316 AM_CONDITIONAL([HAVE_PROTOBUF3], [$PROTO3])
2318 AM_CONDITIONAL([VTYSH], [test "x$VTYSH" = "xvtysh"])
2319 AM_CONDITIONAL([ZEBRA], [test "${enable_zebra}" != "no"])
2320 AM_CONDITIONAL([BGPD], [test "x${enable_bgpd}" != "no"])
2321 AM_CONDITIONAL([RIPD], [test "${enable_ripd}" != "no"])
2322 AM_CONDITIONAL([OSPFD], [test "${enable_ospfd}" != "no"])
2323 AM_CONDITIONAL([LDPD], [test "${enable_ldpd}" != "no"])
2324 AM_CONDITIONAL([BFDD], [test "x$BFDD" = "xbfdd"])
2325 AM_CONDITIONAL([NHRPD], [test "x$NHRPD" = "xnhrpd"])
2326 AM_CONDITIONAL([EIGRPD], [test "${enable_eigrpd}" != "no"])
2327 AM_CONDITIONAL([WATCHFRR], [test "x$WATCHFRR" = "xwatchfrr"])
2328 AM_CONDITIONAL([OSPFCLIENT], [test "x$OSPFCLIENT" = "xospfclient"])
2329 AM_CONDITIONAL([RIPNGD], [test "${enable_ripngd}" != "no"])
2330 AM_CONDITIONAL([BABELD], [test "${enable_babeld}" != "no"])
2331 AM_CONDITIONAL([OSPF6D], [test "${enable_ospf6d}" != "no"])
2332 AM_CONDITIONAL([ISISD], [test "${enable_isisd}" != "no"])
2333 AM_CONDITIONAL([PIMD], [test "${enable_pimd}" != "no"])
2334 AM_CONDITIONAL([PBRD], [test "${enable_pbrd}" != "no"])
2335 AM_CONDITIONAL([SHARPD], [test "${enable_sharpd}" = "yes"])
2336 AM_CONDITIONAL([STATICD], [test "${enable_staticd}" != "no"])
2337 AM_CONDITIONAL([FABRICD], [test "${enable_fabricd}" != "no"])
2338 AM_CONDITIONAL([VRRPD], [test "${enable_vrrpd}" != "no"])
2340 AC_CONFIG_FILES([Makefile],[sed -e 's/^#AUTODERP# //' -i Makefile])
2348 snapcraft/snapcraft.yaml
2350 tests/lib/cli/test_cli.refout
2351 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2352 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2355 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2356 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2357 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2358 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2359 AC_CONFIG_FILES([tools/frrcommon.sh])
2361 AC_CONFIG_COMMANDS([lib/route_types.h], [
2362 dst="${ac_abs_top_builddir}/lib/route_types.h"
2363 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2364 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2367 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2368 && rm "${dst}.tmp" \
2369 || mv "${dst}.tmp" "${dst}"
2374 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
2375 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2376 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2377 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2378 "${ac_abs_top_srcdir}" \
2381 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2382 && rm "${dst}.tmp" \
2383 || mv "${dst}.tmp" "${dst}"
2389 ## Hack, but working solution to avoid rebuilding of frr.info.
2390 ## It's already in CVS until texinfo 4.7 is more common.
2394 FRRouting configuration
2395 ------------------------------
2396 FRR version : ${PACKAGE_VERSION}
2397 host operating system : ${host_os}
2398 source code location : ${srcdir}
2400 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2402 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2403 state file directory : ${frr_statedir}
2404 config file directory : `eval echo \`echo ${sysconfdir}\``
2405 example directory : `eval echo \`echo ${exampledir}\``
2406 module directory : ${CFG_MODULE}
2407 user to run as : ${enable_user}
2408 group to run as : ${enable_group}
2409 group for vty sockets : ${enable_vty_group}
2410 config file mask : ${enable_configfile_mask}
2411 log file mask : ${enable_logfile_mask}
2412 zebra protobuf enabled : ${enable_protobuf:-no}
2414 The above user and group must have read/write access to the state file
2415 directory and to the config files in the config file directory."
2417 if test "${enable_doc}" != "no" -a "$frr_py_mod_sphinx" = false; then
2418 AC_MSG_WARN([sphinx is missing but required to build documentation])
2420 if test "$frr_py_mod_pytest" = false; then
2421 AC_MSG_WARN([pytest is missing, unit tests cannot be performed])