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], [7.3-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"
252 elif test "x${enable_dev_build}" = "xyes"; then
253 AC_DEFINE([DEV_BUILD], [1], [Build for development])
254 if test "z$orig_cflags" = "z"; then
258 if test "x${enable_lua}" = "xyes"; then
262 AC_DEFINE([HAVE_LUA], [1], [Have support for Lua interpreter])
263 LIBS="$LIBS $LUA_LIB"
267 if test "x${enable_lua}" = "xyes"; then
268 AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
270 if test "z$orig_cflags" = "z"; then
275 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
277 dnl always want these CFLAGS
278 AC_C_FLAG([-fno-omit-frame-pointer])
279 AC_C_FLAG([-funwind-tables])
282 AC_C_FLAG([-Wmissing-prototypes])
283 AC_C_FLAG([-Wmissing-declarations])
284 AC_C_FLAG([-Wpointer-arith])
285 AC_C_FLAG([-Wbad-function-cast])
286 AC_C_FLAG([-Wwrite-strings])
287 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
288 AC_C_FLAG([-Wcast-qual])
289 AC_C_FLAG([-Wstrict-prototypes])
290 AC_C_FLAG([-Wmissing-noreturn])
291 AC_C_FLAG([-Wmissing-format-attribute])
292 AC_C_FLAG([-Wunreachable-code])
293 AC_C_FLAG([-Wpacked])
294 AC_C_FLAG([-Wpadded])
295 AC_C_FLAG([-Wshadow])
297 AC_C_FLAG([-Wno-unused-result])
299 AC_C_FLAG([-Wno-unused-parameter])
300 AC_C_FLAG([-Wno-missing-field-initializers])
302 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
303 AC_SUBST([CXX_COMPAT_CFLAGS])
305 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
306 dnl for some reason the string consts get 'promoted' to char *,
307 dnl triggering a const to non-const conversion warning.
308 AC_C_FLAG([-diag-disable 3179])
310 if test x"${enable_werror}" = x"yes" ; then
316 if test "$enable_address_sanitizer" = "yes"; then
317 AC_C_FLAG([-fsanitize=address], [
318 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
320 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
323 if test "$enable_thread_sanitizer" = "yes"; then
324 AC_C_FLAG([-fsanitize=thread], [
325 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
327 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
330 if test "$enable_memory_sanitizer" = "yes"; then
331 AC_C_FLAG([-fsanitize=thread -fPIE -pie], [
332 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
334 SAN_FLAGS="-fsanitize=memory -fPIE -pie"
337 AC_SUBST([SAN_FLAGS])
345 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
346 LIBS="$PTHREAD_LIBS $LIBS"
348 AC_MSG_FAILURE([This FRR version needs pthreads])
351 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
352 [frr_cv_pthread_condattr_setclock=yes],
353 [frr_cv_pthread_condattr_setclock=no])
354 if test "$frr_cv_pthread_condattr_setclock" = yes; then
355 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
363 AC_CHECK_TOOL([AR], [ar])
368 AC_ARG_ENABLE([static-bin],
369 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
372 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
373 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
375 if test "$enable_static_bin" = "yes"; then
377 if test "$enable_static" != "yes"; then
378 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
381 if test "$enable_shared" != "yes"; then
382 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
384 AC_SUBST([AC_LDFLAGS])
385 AM_CONDITIONAL([STATIC_BIN], [test "x$enable_static_bin" = "xyes"])
387 dnl $AR and $RANLIB are set by LT_INIT above
388 AC_MSG_CHECKING([whether $AR supports D option])
389 if $AR crD conftest.a >/dev/null 2>/dev/null; then
391 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
402 AC_MSG_CHECKING([whether $RANLIB supports D option])
403 if $RANLIB -D conftest.a >conftest.err 2>&1; then
404 if grep -q -- '-D' conftest.err; then
415 test -f conftest.err && rm conftest.err
416 test -f conftest.a && rm conftest.a
418 dnl ----------------------
419 dnl Packages configuration
420 dnl ----------------------
421 if test -f config.version; then
423 elif test -f "${srcdir}/config.version"; then
424 . "${srcdir}/config.version"
426 AC_ARG_WITH([pkg-extra-version],
427 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
428 if test "$withval" = "no"; then
431 EXTRAVERSION=$withval
434 AC_ARG_WITH([pkg-git-version],
435 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
436 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
437 AC_ARG_WITH([clippy],
438 AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program]))
439 AC_ARG_WITH([vtysh_pager],
440 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
441 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
442 AC_ARG_ENABLE([vtysh],
443 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
445 AS_HELP_STRING([--disable-doc], [do not build docs]))
446 AC_ARG_ENABLE([doc-html],
447 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
448 AC_ARG_ENABLE([zebra],
449 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
450 AC_ARG_ENABLE([bgpd],
451 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
452 AC_ARG_ENABLE([ripd],
453 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
454 AC_ARG_ENABLE([ripngd],
455 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
456 AC_ARG_ENABLE([ospfd],
457 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
458 AC_ARG_ENABLE([ospf6d],
459 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
460 AC_ARG_ENABLE([ldpd],
461 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
462 AC_ARG_ENABLE([nhrpd],
463 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
464 AC_ARG_ENABLE([eigrpd],
465 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
466 AC_ARG_ENABLE([babeld],
467 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
468 AC_ARG_ENABLE([watchfrr],
469 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
470 AC_ARG_ENABLE([isisd],
471 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
472 AC_ARG_ENABLE([pimd],
473 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
474 AC_ARG_ENABLE([pbrd],
475 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
476 AC_ARG_ENABLE([sharpd],
477 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
478 AC_ARG_ENABLE([staticd],
479 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
480 AC_ARG_ENABLE([fabricd],
481 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
482 AC_ARG_ENABLE([vrrpd],
483 AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
484 AC_ARG_ENABLE([bgp-announce],
485 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
486 AC_ARG_ENABLE([bgp-vnc],
487 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
488 AC_ARG_ENABLE([bgp-bmp],
489 AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support]))
490 AC_ARG_ENABLE([snmp],
491 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
492 AC_ARG_ENABLE([config_rollbacks],
493 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
494 AC_ARG_ENABLE([confd],
495 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
496 AC_ARG_ENABLE([sysrepo],
497 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
498 AC_ARG_ENABLE([grpc],
499 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
500 AC_ARG_ENABLE([zeromq],
501 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
502 AC_ARG_WITH([libpam],
503 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
504 AC_ARG_ENABLE([ospfapi],
505 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
506 AC_ARG_ENABLE([ospfclient],
507 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
508 (this is the default if --disable-ospfapi is set)]))
509 AC_ARG_ENABLE([multipath],
510 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
511 AC_ARG_ENABLE([user],
512 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
513 AC_ARG_ENABLE([group],
514 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
515 AC_ARG_ENABLE([vty_group],
516 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
517 AC_ARG_ENABLE([configfile_mask],
518 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
519 AC_ARG_ENABLE([logfile_mask],
520 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
521 AC_ARG_ENABLE([shell_access],
522 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
523 AC_ARG_ENABLE([realms],
524 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
525 AC_ARG_ENABLE([rtadv],
526 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
527 AC_ARG_ENABLE([irdp],
528 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
529 AC_ARG_ENABLE([capabilities],
530 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
531 AC_ARG_ENABLE([rusage],
532 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
533 AC_ARG_ENABLE([gcc_ultra_verbose],
534 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
535 AC_ARG_ENABLE([backtrace],
536 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
537 AC_ARG_ENABLE([time-check],
538 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
539 AC_ARG_ENABLE([pcreposix],
540 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
542 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
543 AC_ARG_ENABLE([systemd],
544 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
545 AC_ARG_ENABLE([werror],
546 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
547 AC_ARG_ENABLE([cumulus],
548 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
549 AC_ARG_ENABLE([datacenter],
550 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
551 AC_ARG_ENABLE([fuzzing],
552 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
553 AC_ARG_ENABLE([netlink_fuzzing],
554 AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
555 AC_ARG_ENABLE([rr-semantics],
556 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
557 AC_ARG_ENABLE([protobuf],
558 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
559 AC_ARG_ENABLE([oldvpn_commands],
560 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
561 AC_ARG_ENABLE([rpki],
562 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
563 AC_ARG_ENABLE([clippy-only],
564 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
565 AC_ARG_ENABLE([numeric_version],
566 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
567 AC_ARG_ENABLE([gcov],
568 AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
569 AC_ARG_ENABLE([bfdd],
570 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
571 AC_ARG_ENABLE([address-sanitizer],
572 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
573 AC_ARG_ENABLE([thread-sanitizer],
574 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
575 AC_ARG_ENABLE([memory-sanitizer],
576 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
577 AC_ARG_WITH([crypto],
578 AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))
580 #if openssl, else use the internal
581 AS_IF([test x"${with_crypto}" = x"openssl"], [
582 AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], [])
583 if test $ac_cv_lib_crypto_EVP_DigestInit = no; then
584 AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system])
586 AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support])
588 ], [test x"${with_crypto}" = x"internal" || test x"${with_crypto}" = x"" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation])
589 ], [AC_MSG_ERROR([Unknown value for --with-crypto])]
592 AS_IF([test "${enable_clippy_only}" != "yes"], [
593 AC_CHECK_HEADERS([json-c/json.h])
594 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
595 if test "$ac_cv_lib_json_c_json_object_get" = no; then
596 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
597 if test "$ac_cv_lib_json_json_object_get" = no; then
598 AC_MSG_ERROR([libjson is needed to compile])
603 AC_ARG_ENABLE([dev_build],
604 AS_HELP_STRING([--enable-dev-build], [build for development]))
607 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
609 if test x"${enable_time_check}" != x"no" ; then
610 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
611 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
613 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
617 case "${enable_systemd}" in
620 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
621 if test $ac_cv_lib_systemd_sd_notify = no; then
622 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
624 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
630 if test "${enable_rr_semantics}" != "no" ; then
631 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
634 if test "${enable_datacenter}" = "yes" ; then
635 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
636 DFLT_NAME="datacenter"
638 DFLT_NAME="traditional"
641 if test "${enable_fuzzing}" = "yes" ; then
642 AC_DEFINE([HANDLE_ZAPI_FUZZING], [1], [Compile extensions to use with a fuzzer])
645 if test "${enable_netlink_fuzzing}" = "yes" ; then
646 AC_DEFINE([HANDLE_NETLINK_FUZZING], [1], [Compile extensions to use with a fuzzer for netlink])
649 if test "${enable_cumulus}" = "yes" ; then
650 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
653 AC_SUBST([DFLT_NAME])
654 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
656 if test "${enable_shell_access}" = "yes"; then
657 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
664 AS_IF([test "$host" = "$build"], [
670 FRR_PYTHON_MODULES([pytest])
672 if test "${enable_doc}" != "no"; then
673 FRR_PYTHON_MODULES([sphinx], , [
674 if test "${enable_doc}" = "yes"; then
675 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.])
679 AM_CONDITIONAL([DOC], [test "${enable_doc}" != "no" -a "$frr_py_mod_sphinx" != "false"])
680 AM_CONDITIONAL([DOC_HTML], [test "${enable_doc_html}" = "yes"])
682 FRR_PYTHON_MOD_EXEC([sphinx], [--version], [
685 PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'"
690 # Logic for old vpn commands support.
692 if test "$enable_oldvpn_commands" = "yes"; then
693 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
697 # End of logic for protobuf support.
700 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
701 if test "${enable_rtadv}" != "no"; then
703 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
708 if test x"${enable_user}" = x"no"; then
711 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
714 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
717 if test x"${enable_group}" = x"no"; then
720 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
723 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
726 if test x"${enable_vty_group}" = x"yes" ; then
727 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
728 elif test x"${enable_vty_group}" != x""; then
729 if test x"${enable_vty_group}" != x"no"; then
730 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
733 AC_SUBST([enable_user])
734 AC_SUBST([enable_group])
735 AC_SUBST([enable_vty_group])
737 enable_configfile_mask=${enable_configfile_mask:-0600}
738 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
740 enable_logfile_mask=${enable_logfile_mask:-0600}
741 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
745 case "${enable_multipath}" in
749 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
750 MPATH_NUM="${enable_multipath}"
755 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
759 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
761 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
763 dnl --------------------
764 dnl Enable code coverage
765 dnl --------------------
766 AM_CONDITIONAL([HAVE_GCOV], [test '!' "$enable_gcov" = no])
768 dnl ------------------------------------
769 dnl Alpine only accepts numeric versions
770 dnl ------------------------------------
771 if test "x${enable_numeric_version}" != "x" ; then
772 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
773 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
776 dnl -----------------------------------
777 dnl Add extra version string to package
778 dnl name, string and version fields.
779 dnl -----------------------------------
780 if test "x${EXTRAVERSION}" != "x" ; then
781 VERSION="${VERSION}${EXTRAVERSION}"
782 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
783 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
784 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
786 AC_SUBST([EXTRAVERSION])
788 if test "x$with_pkg_git_version" = "xyes"; then
789 if test -d "${srcdir}/.git"; then
790 AC_DEFINE([GIT_VERSION], [1], [include git version info])
791 else with_pkg_git_version="no"
792 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
795 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
797 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
798 if test "x${OBJCOPY}" != "x:"; then
799 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
801 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
802 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
803 frr_cv_interp="`xargs -0 echo < conftest.interp`"
805 test -f conftest.interp && rm conftest.interp
809 if test -n "$frr_cv_interp"; then
810 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
813 dnl -------------------------
814 dnl Check other header files.
815 dnl -------------------------
816 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
817 linux/version.h asm/types.h])
819 ac_stdatomic_ok=false
820 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
821 AC_CHECK_HEADER([stdatomic.h],[
823 AC_MSG_CHECKING([whether _Atomic qualifier works])
824 AC_LINK_IFELSE([AC_LANG_SOURCE([[
825 #include <stdatomic.h>
826 int main(int argc, char **argv) {
831 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
839 AS_IF([$ac_stdatomic_ok], [true], [
840 AC_MSG_CHECKING([for __atomic_* builtins])
841 AC_LINK_IFELSE([AC_LANG_SOURCE([[
842 int main(int argc, char **argv) {
844 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
845 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
848 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
853 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
854 AC_MSG_CHECKING([for __sync_* builtins])
855 AC_LINK_IFELSE([AC_LANG_SOURCE([[
856 int main(int argc, char **argv) {
858 __sync_fetch_and_sub (&i, 1);
859 return __sync_val_compare_and_swap (&i, 0, 1);
862 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
865 AC_MSG_CHECKING([for __sync_swap builtin])
866 AC_LINK_IFELSE([AC_LANG_SOURCE([[
867 int main(int argc, char **argv) {
869 return __sync_swap (&i, 2);
872 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
880 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
885 AC_CHECK_HEADERS([pthread_np.h],,, [
888 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
894 AC_MSG_CHECKING([for Linux futex() support])
895 AC_LINK_IFELSE([AC_LANG_PROGRAM([
901 #include <sys/time.h>
902 #include <sys/syscall.h>
903 #include <linux/futex.h>
909 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
913 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
922 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
923 AC_LINK_IFELSE([AC_LANG_PROGRAM([
926 #include <sys/types.h>
927 #include <sys/umtx.h>
932 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
936 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
944 dnl OpenBSD patch (not upstream at the time of writing this)
945 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
946 AC_MSG_CHECKING([for OpenBSD futex() support])
947 AC_LINK_IFELSE([AC_LANG_PROGRAM([
948 #include <sys/futex.h>
953 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
957 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
964 dnl Utility macro to avoid retyping includes all the time
965 m4_define([FRR_INCLUDES],
967 #define _POSIX_C_SOURCE 200809L
968 #define __EXTENSIONS__
973 #include <sys/types.h>
974 /* sys/conf.h depends on param.h on FBSD at least */
975 #include <sys/param.h>
976 /* Required for MAXSIG */
978 #include <sys/socket.h>
980 # define __APPLE_USE_RFC_3542
982 #include <netinet/in.h>
983 #include <sys/time.h>
988 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
989 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
990 dnl an additional round for it.
992 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
994 m4_define([FRR_INCLUDES],
996 [#if HAVE_NET_IF_VAR_H
997 # include <net/if_var.h>
1001 AC_CHECK_HEADERS([netinet/in_var.h \
1002 net/if_dl.h net/netopt.h \
1003 inet/nd.h netinet/ip_icmp.h \
1004 sys/sysctl.h sys/sockio.h sys/conf.h],
1005 [], [], [FRR_INCLUDES])
1007 AC_CHECK_HEADERS([ucontext.h], [], [],
1010 #endif /* __USE_GNU */
1014 m4_define([UCONTEXT_INCLUDES],
1015 [#include <ucontext.h>])dnl
1017 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1018 [], [], [UCONTEXT_INCLUDES])
1019 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1020 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1021 [], [], [UCONTEXT_INCLUDES])],
1022 [], [UCONTEXT_INCLUDES])
1023 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1024 [], [], [UCONTEXT_INCLUDES])
1026 m4_define([FRR_INCLUDES],
1030 #include <netinet/in_systm.h>
1031 #if HAVE_NETINET_IN_VAR_H
1032 # include <netinet/in_var.h>
1034 #if HAVE_NET_IF_DL_H
1035 # include <net/if_dl.h>
1037 #if HAVE_NET_NETOPT_H
1038 # include <net/netopt.h>
1040 #include <net/route.h>
1042 # include <inet/nd.h>
1044 #include <arpa/inet.h>
1045 /* Required for IDRP */
1046 #if HAVE_NETINET_IP_ICMP_H
1047 # include <netinet/ip_icmp.h>
1051 dnl V6 headers are checked below, after we check for v6
1053 AC_MSG_CHECKING([which operating system interface to use])
1056 AC_MSG_RESULT([Solaris])
1058 AC_DEFINE([SUNOS_5], [1], [SunOS 5])
1059 AC_DEFINE([SOLARIS_IPV6], [1], Solaris IPv6)
1060 AC_DEFINE([_POSIX_C_SOURCE], [200809L], [enable POSIX.1-2008 and XPG7/SUSv4])
1062 AC_CHECK_LIB([socket], [main])
1063 AC_CHECK_LIB([nsl], [main])
1064 AC_CHECK_LIB([umem], [main])
1066 AC_MSG_WARN([--Solaris support is being considered for deprecation, please let us know if you are still using this--])
1069 AC_MSG_RESULT([Linux])
1071 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1072 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1073 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1075 dnl Linux has a compilation problem with mixing
1076 dnl netinet/in.h and linux/in6.h they are not
1077 dnl compatible. There has been discussion on
1078 dnl how to fix it but no real progress on implementation
1079 dnl when they fix it, remove this
1080 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1083 AC_MSG_RESULT([OpenBSD])
1085 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1086 AC_DEFINE([KAME], [1], [KAME IPv6])
1087 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1089 if test "x${enable_pimd}" != "xno"; then
1094 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
1100 AC_MSG_RESULT([BSD])
1102 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1103 AC_DEFINE([KAME], [1], [KAME IPv6])
1104 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1107 AM_CONDITIONAL([SOLARIS], [test "${SOLARIS}" = "solaris"])
1111 dnl ------------------------
1112 dnl Integrated REALMS option
1113 dnl ------------------------
1114 if test "${enable_realms}" = "yes"; then
1117 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1120 echo "Sorry, only Linux has REALMS support"
1126 dnl -------------------------------
1127 dnl Endian-ness check
1128 dnl -------------------------------
1138 dnl ##########################################################################
1139 dnl LARGE if block spans a lot of "configure"!
1140 if test "${enable_clippy_only}" != "yes"; then
1141 dnl ##########################################################################
1144 # Logic for protobuf support.
1146 if test "$enable_protobuf" = "yes"; then
1147 # Check for protoc & protoc-c
1149 # protoc is not required, it's only for a "be nice" helper target
1150 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1152 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
1153 if test "$PROTOC_C" = "/bin/false"; then
1154 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
1157 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
1158 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
1160 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [], [
1161 AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])
1164 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
1168 dnl ---------------------
1169 dnl Integrated VTY option
1170 dnl ---------------------
1171 case "${enable_vtysh}" in
1176 AC_DEFINE([VTYSH], [1], [VTY shell])
1179 AC_CHECK_LIB([readline], [main], [
1180 LIBREADLINE="-lreadline"
1182 dnl readline failed - it might be incorrectly linked and missing its
1183 dnl termcap/tinfo/curses dependency. see if we can fix that...
1184 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1185 LIBREADLINE="$ac_cv_search_tputs"
1187 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1190 dnl re-try with the lib we found above
1191 unset ac_cv_lib_readline_main
1192 AC_CHECK_LIB([readline], [main], [
1193 LIBREADLINE="-lreadline $LIBREADLINE"
1195 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1200 AC_CHECK_HEADER([readline/history.h])
1201 if test $ac_cv_header_readline_history_h = no;then
1202 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1204 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1205 if test $ac_cv_lib_readline_rl_completion_matches = no; then
1206 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1208 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1209 if test "$frr_cv_append_history" = yes; then
1210 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1214 AC_SUBST([LIBREADLINE])
1219 dnl FRR detects the PAM library it is built against by checking for a
1220 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1221 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1222 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1223 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1226 if test "$with_libpam" = "yes"; then
1227 AC_CHECK_HEADER([security/pam_misc.h],
1228 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1229 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1230 pam_conv_func="misc_conv"
1233 AC_CHECK_HEADER([security/openpam.h],
1234 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1235 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1236 pam_conv_func="openpam_ttyconv"
1238 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1239 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1240 AC_MSG_WARN([*** pam support will not be built ***])
1245 if test "$with_libpam" = "yes"; then
1246 dnl took this test from proftpds configure.in and suited to our needs
1247 dnl -------------------------------------------------------------------------
1249 dnl This next check looks funky due to a linker problem with some versions
1250 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1251 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1252 dnl with RedHat 6.2 and Debian 2.2 or better.
1253 AC_CHECK_LIB([pam], [pam_start],
1254 [AC_CHECK_LIB([pam], [$pam_conv_func],
1255 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1257 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1258 LIBPAM="-lpam -lpam_misc"]
1262 [AC_CHECK_LIB([pam], [pam_end],
1263 [AC_CHECK_LIB([pam], [$pam_conv_func],
1264 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1265 LIBPAM="-lpam -ldl"],
1266 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1267 LIBPAM="-lpam -ldl -lpam_misc"]
1269 ],AC_MSG_WARN([*** pam support will not be built ***]),
1276 dnl -------------------------------
1277 dnl bgpd needs pow() and hence libm
1278 dnl -------------------------------
1281 AC_SEARCH_LIBS([pow], [m], [
1284 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1289 AC_CHECK_FUNCS([ppoll], [
1290 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1292 AC_CHECK_FUNCS([pollts], [
1293 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1296 AC_CHECK_HEADER([asm-generic/unistd.h],
1297 [AC_CHECK_DECL(__NR_setns,
1298 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1299 FRR_INCLUDES [#include <asm-generic/unistd.h>
1301 AC_CHECK_FUNCS([setns])]
1304 dnl --------------------------
1305 dnl Determine IS-IS I/O method
1306 dnl --------------------------
1307 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1308 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1309 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1310 AC_CHECK_HEADER([net/bpf.h])
1311 AC_CHECK_HEADER([sys/dlpi.h])
1312 AC_MSG_CHECKING([zebra IS-IS I/O method])
1316 AC_MSG_RESULT([pfpacket])
1317 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1320 AC_MSG_RESULT([DLPI])
1321 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1324 if test $ac_cv_header_net_bpf_h = no; then
1325 if test $ac_cv_header_sys_dlpi_h = no; then
1326 AC_MSG_RESULT([none])
1327 if test "${enable_isisd}" = yes -o "${enable_fabricd}" = yes; then
1328 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1330 AC_MSG_WARN([*** IS-IS support will not be built ***])
1334 AC_MSG_RESULT([DLPI])
1336 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1338 AC_MSG_RESULT([BPF])
1339 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1343 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1345 dnl ---------------------------------------------------------------
1346 dnl figure out how to specify an interface in multicast sockets API
1347 dnl ---------------------------------------------------------------
1348 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1350 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1351 #include <sys/socket.h>
1352 #include <netinet/in.h>
1353 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1354 #include <linux/types.h>
1357 m4_define([FRR_INCLUDES],
1359 [#if HAVE_LINUX_MROUTE_H
1360 # include <linux/mroute.h>
1364 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1365 #include <sys/socket.h>
1366 #include <sys/types.h>
1367 #include <netinet/in.h>
1368 #include <net/route.h>
1371 m4_define([FRR_INCLUDES],
1373 [#if HAVE_NETINET_IP_MROUTE_H
1374 # include <netinet/ip_mroute.h>
1378 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1379 AC_TRY_COMPILE([#include <sys/param.h>],
1380 [#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)
1383 #error No support for BSD struct ip_mreq hack detected
1384 #endif],[AC_MSG_RESULT([yes])
1385 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1386 AC_MSG_RESULT([no]))
1388 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1390 #include <sys/types.h>
1391 #include <netinet/in.h>
1392 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1393 ], [AC_MSG_RESULT([yes])
1394 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1395 AC_MSG_RESULT([no]))
1397 dnl ---------------------------------------------------------------
1398 dnl figure out how to check link-state
1399 dnl ---------------------------------------------------------------
1400 AC_CHECK_HEADER([net/if_media.h],
1401 [m4_define([LINK_DETECT_INCLUDES],
1403 [#include <net/if_media.h>
1405 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1406 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1407 [], LINK_DETECT_INCLUDES)],
1411 dnl ---------------------------------------------------------------
1412 dnl Additional, newer way to check link-state using ifi_link_state.
1413 dnl Not available in all BSD's when ifmediareq available
1414 dnl ---------------------------------------------------------------
1415 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1416 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1419 dnl ------------------------
1420 dnl TCP_MD5SIG socket option
1421 dnl ------------------------
1423 AC_CHECK_HEADER([netinet/tcp.h],
1424 [m4_define([MD5_INCLUDES],
1426 [#include <netinet/tcp.h>
1428 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1431 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1432 AC_CHECK_HEADER([linux/tcp.h],
1433 [m4_define([MD5_INCLUDES],
1435 [#include <linux/tcp.h>
1437 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1441 AC_CHECK_LIB([crypt], [crypt], [],
1442 [AC_CHECK_LIB([crypto], [DES_crypt])])
1443 AC_CHECK_LIB([resolv], [res_init])
1445 dnl ---------------------------
1446 dnl check system has PCRE regexp
1447 dnl ---------------------------
1448 if test "x$enable_pcreposix" = "xyes"; then
1449 AC_CHECK_LIB([pcreposix], [regexec], [], [
1450 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1453 AC_SUBST([HAVE_LIBPCREPOSIX])
1455 dnl ##########################################################################
1456 dnl test "${enable_clippy_only}" != "yes"
1458 dnl END OF LARGE if block
1459 dnl ##########################################################################
1461 dnl ------------------
1462 dnl check C-Ares library
1463 dnl ------------------
1464 PKG_CHECK_MODULES([CARES], [libcares], [
1469 AM_CONDITIONAL([CARES], [$c_ares_found])
1472 dnl ----------------------------------------------------------------------------
1473 dnl figure out if domainname is available in the utsname struct (GNU extension).
1474 dnl ----------------------------------------------------------------------------
1475 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1477 dnl ------------------
1478 dnl IPv6 header checks
1479 dnl ------------------
1480 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1481 netinet6/in6_var.h netinet6/nd6.h], [], [],
1484 m4_define([FRR_INCLUDES],dnl
1486 [#if HAVE_NETINET6_IN6_H
1487 #include <netinet6/in6.h>
1489 #if HAVE_NETINET_IN6_VAR_H
1490 #include <netinet/in6_var.h>
1492 #include <netinet/icmp6.h>
1493 #if HAVE_NETINET6_IN6_VAR_H
1494 # include <netinet6/in6_var.h>
1496 #if HAVE_NETINET6_ND6_H
1497 # include <netinet6/nd6.h>
1501 dnl --------------------
1502 dnl Daemon disable check
1503 dnl --------------------
1505 AS_IF([test "${enable_ldpd}" != "no"], [
1506 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1509 if test "$enable_bfdd" = "no"; then
1510 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1513 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1518 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1522 AC_DEFINE([BFD_BSD], [1], [bfdd])
1527 if test "$ac_cv_lib_json_c_json_object_get" = no -a "x$BFDD" = "xbfdd"; then
1528 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1534 case "${enable_nhrpd}" in
1538 if test "${enable_clippy_only}" != "yes"; then
1539 if test "$c_ares_found" != "true" ; then
1540 AC_MSG_ERROR([nhrpd requires libcares. Please install c-ares and its -dev headers.])
1546 if test "$c_ares_found" = "true" ; then
1553 if test "${enable_nhrpd}" = "yes"; then
1554 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1559 if test "${enable_watchfrr}" = "no";then
1566 if test "${enable_ospfapi}" != "no";then
1567 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1569 if test "${enable_ospfclient}" != "no";then
1570 OSPFCLIENT="ospfclient"
1574 if test "${enable_bgp_announce}" = "no";then
1575 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1577 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1580 if test "${enable_bgp_vnc}" != "no";then
1581 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1585 case "${enable_bmp}" in
1589 if test "$c_ares_found" != "true" ; then
1590 AC_MSG_ERROR([BMP support requires libcares. Please install c-ares and its -dev headers.])
1595 if test "$c_ares_found" = "true" ; then
1601 dnl ##########################################################################
1603 if test "${enable_clippy_only}" != "yes"; then
1604 dnl ##########################################################################
1606 dnl ------------------
1607 dnl check Net-SNMP library
1608 dnl ------------------
1609 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1610 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1611 if test x"$NETSNMP_CONFIG" = x"no"; then
1612 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1614 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1615 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1616 # net-snmp lists all of its own dependencies. we absolutely do not want that
1617 # among other things we avoid a GPL vs. OpenSSL license conflict here
1618 for removelib in crypto ssl sensors pci wrap; do
1619 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1621 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1622 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1631 AC_MSG_ERROR([--enable-snmp given but not usable])])
1632 case "${enable_snmp}" in
1637 SNMP_METHOD="${enable_snmp}"
1640 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1643 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1644 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1646 AC_SUBST([SNMP_LIBS])
1647 AC_SUBST([SNMP_CFLAGS])
1652 PKG_CHECK_MODULES([LIBYANG], [libyang >= 0.16.105], , [
1653 AC_MSG_ERROR([libyang (>= 0.16.105) was not found on your system.])
1655 ac_cflags_save="$CFLAGS"
1656 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1657 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1658 AC_MSG_ERROR([m4_normalize([
1659 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1660 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1662 ], [[#include <libyang/libyang.h>]])
1663 CFLAGS="$ac_cflags_save"
1666 dnl configuration rollbacks
1669 if test "$enable_config_rollbacks" = "yes"; then
1670 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1671 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1672 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1675 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1682 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1683 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1684 if test "x$CONFD" = "x/bin/false"; then
1685 AC_MSG_ERROR([confd was not found on your system.])]
1687 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1688 AC_SUBST([CONFD_CFLAGS])
1689 CONFD_LIBS="-lconfd"
1690 AC_SUBST([CONFD_LIBS])
1691 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1697 if test "$enable_sysrepo" = "yes"; then
1698 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1699 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1702 AC_MSG_ERROR([sysrepo was not found on your system.])]
1709 if test "$enable_grpc" = "yes"; then
1710 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1711 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1712 if test "$PROTOC" = "/bin/false"; then
1713 AC_MSG_FAILURE([grpc requested but protoc not found.])
1716 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1720 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1727 if test "x$enable_zeromq" != "xno"; then
1728 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
1729 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
1732 if test "x$enable_zeromq" = "xyes"; then
1733 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1738 dnl ------------------------------------
1739 dnl Enable RPKI and add librtr to libs
1740 dnl ------------------------------------
1741 if test "${enable_rpki}" = "yes"; then
1742 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
1745 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1749 dnl ------------------------------------------
1750 dnl Check whether rtrlib was build with ssh support
1751 dnl ------------------------------------------
1752 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1753 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1754 [[struct tr_ssh_config config;]])],
1755 [AC_MSG_RESULT([yes])
1756 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
1763 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1764 AC_MSG_ERROR([unable to find the dlopen()])
1767 AC_CHECK_HEADERS([link.h])
1769 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1770 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1778 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1780 frr_cv_rtld_di_origin=yes
1782 frr_cv_rtld_di_origin=no
1785 if test "$frr_cv_rtld_di_origin" = yes; then
1786 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1789 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1790 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1797 struct link_map *lm = NULL;
1798 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1800 frr_cv_rtld_di_linkmap=yes
1802 frr_cv_rtld_di_linkmap=no
1805 if test "$frr_cv_rtld_di_linkmap" = yes; then
1806 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1809 dnl ##########################################################################
1810 dnl test "${enable_clippy_only}" != "yes"
1812 dnl END OF LARGE if block
1813 dnl ##########################################################################
1815 dnl ---------------------------
1816 dnl sockaddr and netinet checks
1817 dnl ---------------------------
1820 struct vifctl, struct mfcctl, struct sioc_sg_req,
1821 vifi_t, struct sioc_vif_req, struct igmpmsg,
1822 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1823 struct nd_opt_adv_interval,
1824 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1825 struct nd_opt_rdnss, struct nd_opt_dnssl],
1826 [], [], FRR_INCLUDES)
1828 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1829 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1830 struct sockaddr_dl.sdl_len,
1831 struct if6_aliasreq.ifra_lifetime,
1832 struct nd_opt_adv_interval.nd_opt_ai_type],
1833 [], [], FRR_INCLUDES)
1835 dnl ---------------------------
1836 dnl IRDP/pktinfo/icmphdr checks
1837 dnl ---------------------------
1839 AC_CHECK_TYPES([struct in_pktinfo], [
1840 AC_CHECK_TYPES([struct icmphdr], [
1849 case "${enable_irdp}" in
1851 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1859 dnl -----------------------
1860 dnl checking for IP_PKTINFO
1861 dnl -----------------------
1862 AC_MSG_CHECKING([for IP_PKTINFO])
1863 AC_TRY_COMPILE([#include <netdb.h>], [
1864 int opt = IP_PKTINFO;
1866 AC_MSG_RESULT([yes])
1867 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
1872 dnl ---------------------------
1873 dnl checking for IP_RECVDSTADDR
1874 dnl ---------------------------
1875 AC_MSG_CHECKING([for IP_RECVDSTADDR])
1876 AC_TRY_COMPILE([#include <netinet/in.h>], [
1877 int opt = IP_RECVDSTADDR;
1879 AC_MSG_RESULT([yes])
1880 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
1885 dnl ----------------------
1886 dnl checking for IP_RECVIF
1887 dnl ----------------------
1888 AC_MSG_CHECKING([for IP_RECVIF])
1889 AC_TRY_COMPILE([#include <netinet/in.h>], [
1890 int opt = IP_RECVIF;
1892 AC_MSG_RESULT([yes])
1893 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
1898 dnl ----------------------
1899 dnl checking for SO_BINDANY
1900 dnl ----------------------
1901 AC_MSG_CHECKING([for SO_BINDANY])
1902 AC_TRY_COMPILE([#include <sys/socket.h>], [
1903 int opt = SO_BINDANY;
1905 AC_MSG_RESULT([yes])
1906 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
1911 dnl ----------------------
1912 dnl checking for IP_FREEBIND
1913 dnl ----------------------
1914 AC_MSG_CHECKING([for IP_FREEBIND])
1915 AC_TRY_COMPILE([#include <netinet/in.h>], [
1916 int opt = IP_FREEBIND;
1918 AC_MSG_RESULT([yes])
1919 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
1924 dnl --------------------------------------
1925 dnl checking for be32dec existence or not
1926 dnl --------------------------------------
1927 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1928 [#include <sys/endian.h>])
1930 dnl --------------------------------------
1931 dnl checking for clock_time monotonic struct and call
1932 dnl --------------------------------------
1933 AC_CHECK_DECL([CLOCK_MONOTONIC],
1934 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
1935 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
1936 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
1938 dnl --------------------------------------
1939 dnl checking for flex and bison
1940 dnl --------------------------------------
1943 AC_MSG_CHECKING([version of flex])
1944 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1945 frr_ac_flex_version="${frr_ac_flex_version##* }"
1946 AC_MSG_RESULT([$frr_ac_flex_version])
1947 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1948 LEX="$SHELL $missing_dir/missing flex"
1949 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1950 AC_MSG_WARN([using pregenerated flex output files])
1952 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1954 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1955 AC_SUBST([LEXLIB], [''])
1959 dnl thanks GNU bison for this b*llshit...
1960 AC_MSG_CHECKING([version of bison])
1961 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1962 frr_ac_bison_version="${frr_ac_bison_version##* }"
1963 frr_ac_bison_missing="false"
1964 case "x${frr_ac_bison_version}x" in
1967 BISON_CLOSEBRACE='"'
1969 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1972 AC_MSG_RESULT([$frr_ac_bison_version])
1973 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1974 frr_ac_bison_missing="true"
1977 AC_MSG_RESULT([none])
1978 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1979 frr_ac_bison_missing="true"
1983 BISON_CLOSEBRACE='}'
1984 BISON_VERBOSE='-Dparse.error=verbose'
1985 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 to 3.2])
1989 BISON_CLOSEBRACE='}'
1990 BISON_VERBOSE='-Dparse.error=verbose -Wno-yacc'
1991 AC_MSG_RESULT([$frr_ac_bison_version - 3.3 or newer])
1994 AC_SUBST([BISON_OPENBRACE])
1995 AC_SUBST([BISON_CLOSEBRACE])
1996 AC_SUBST([BISON_VERBOSE])
1998 if $frr_ac_bison_missing; then
1999 YACC="$SHELL $missing_dir/missing bison -y"
2000 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2001 AC_MSG_WARN([using pregenerated bison output files])
2003 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2007 dnl -------------------
2008 dnl capabilities checks
2009 dnl -------------------
2010 if test "${enable_capabilities}" != "no"; then
2011 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2012 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2013 [AC_MSG_RESULT([yes])
2014 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2015 frr_ac_keepcaps="yes"],
2018 if test x"${frr_ac_keepcaps}" = x"yes"; then
2019 AC_CHECK_HEADERS([sys/capability.h])
2021 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
2022 AC_CHECK_LIB([cap], [cap_init],
2023 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2028 AC_CHECK_HEADERS([priv.h],
2029 [AC_MSG_CHECKING([Solaris style privileges are available])
2030 AC_TRY_COMPILE([#include <priv.h>], [getpflags(PRIV_AWARE);],
2031 [AC_MSG_RESULT([yes])
2032 AC_DEFINE([HAVE_SOLARIS_CAPABILITIES], [1], [getpflags])
2033 frr_ac_scaps="yes"],
2039 if test x"${frr_ac_scaps}" = x"yes" \
2040 -o x"${frr_ac_lcaps}" = x"yes"; then
2041 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2046 if test "${enable_clippy_only}" != "yes"; then
2047 if test "$frr_ac_lcaps" != "yes"; then
2048 AC_MSG_ERROR([libcap and/or its headers were not found. Running FRR without libcap support built in causes a huge performance penalty.])
2056 AC_MSG_WARN([Running FRR without libcap support built in causes a huge performance penalty.])
2062 dnl ---------------------------
2063 dnl check for glibc 'backtrace'
2064 dnl ---------------------------
2065 if test x"${enable_backtrace}" != x"no" ; then
2067 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2068 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2073 AC_CHECK_FUNCS([printstack], [
2074 AC_DEFINE([HAVE_PRINTSTACK], [1], [Solaris printstack])
2079 if test "$backtrace_ok" = no; then
2080 AC_CHECK_HEADER([execinfo.h], [
2081 AC_SEARCH_LIBS([backtrace], [execinfo], [
2082 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2089 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
2090 dnl user explicitly requested backtrace but we failed to find support
2091 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2095 dnl -----------------------------------------
2096 dnl check for malloc mallinfo struct and call
2097 dnl this must try and link using LIBS, in
2098 dnl order to check no alternative allocator
2099 dnl has been specified, which might not provide
2100 dnl mallinfo, e.g. such as Umem on Solaris.
2101 dnl -----------------------------------------
2102 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2104 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2105 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2106 #ifdef HAVE_MALLOC_H
2109 #ifdef HAVE_MALLOC_NP_H
2110 #include <malloc_np.h>
2112 #ifdef HAVE_MALLOC_MALLOC_H
2113 #include <malloc/malloc.h>
2116 struct mallinfo ac_x; ac_x = mallinfo ();
2123 if test "$frr_cv_mallinfo" = yes; then
2124 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2127 AC_MSG_CHECKING([whether malloc_usable_size is available])
2128 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2129 #ifdef HAVE_MALLOC_H
2132 #ifdef HAVE_MALLOC_MALLOC_H
2133 #include <malloc/malloc.h>
2136 size_t ac_x; ac_x = malloc_usable_size(NULL);
2138 AC_MSG_RESULT([yes])
2139 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2143 AC_MSG_CHECKING([whether malloc_size is available])
2144 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2145 #ifdef HAVE_MALLOC_H
2148 #ifdef HAVE_MALLOC_MALLOC_H
2149 #include <malloc/malloc.h>
2152 size_t ac_x; ac_x = malloc_size(NULL);
2154 AC_MSG_RESULT([yes])
2155 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2164 dev_version=`echo $VERSION | grep dev`
2165 #don't expire deprecated code in non 'dev' branch
2166 if test "${dev_version}" = ""; then
2169 CONFDATE=`date '+%Y%m%d'`
2171 AC_SUBST([CONFDATE])
2173 dnl ------------------------------
2174 dnl set paths for state directory
2175 dnl ------------------------------
2176 AC_MSG_CHECKING([directory to use for state file])
2177 if test "${prefix}" = "NONE"; then
2178 frr_statedir_prefix="";
2180 frr_statedir_prefix=${prefix}
2182 if test "${localstatedir}" = '${prefix}/var'; then
2183 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2184 ${frr_statedir_prefix}/var/adm dnl
2185 ${frr_statedir_prefix}/etc dnl
2191 test -d $FRR_STATE_DIR && break
2193 frr_statedir=$FRR_STATE_DIR
2195 frr_statedir=${localstatedir}
2197 if test $frr_statedir = "/dev/null"; then
2198 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2200 AC_MSG_RESULT([${frr_statedir}])
2201 AC_SUBST([frr_statedir])
2203 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir%s%s/ldpd.sock"], [ldpd control socket])
2204 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir%s%s/zserv.api"], [zebra api socket])
2205 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir%s%s/bfdd.sock"], [bfdd control socket])
2206 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir%s%s"], [daemon vty directory])
2207 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2209 dnl autoconf does this, but it does it too late...
2210 test "x$prefix" = xNONE && prefix=$ac_default_prefix
2211 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2213 dnl get the full path, recursing through variables...
2214 vtysh_bin="$bindir/vtysh"
2215 for I in 1 2 3 4 5 6 7 8 9 10; do
2216 eval vtysh_bin="\"$vtysh_bin\""
2218 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2219 AC_SUBST([vtysh_bin])
2221 CFG_SYSCONF="$sysconfdir"
2223 CFG_STATE="$frr_statedir"
2224 CFG_MODULE="$moduledir"
2225 CFG_YANGMODELS="$yangmodelsdir"
2226 for I in 1 2 3 4 5 6 7 8 9 10; do
2227 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2228 eval CFG_SBIN="\"$CFG_SBIN\""
2229 eval CFG_STATE="\"$CFG_STATE\""
2230 eval CFG_MODULE="\"$CFG_MODULE\""
2231 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2233 AC_SUBST([CFG_SYSCONF])
2234 AC_SUBST([CFG_SBIN])
2235 AC_SUBST([CFG_STATE])
2236 AC_SUBST([CFG_MODULE])
2237 AC_SUBST([CFG_YANGMODELS])
2238 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2239 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2240 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2242 dnl various features
2243 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
2244 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
2245 AM_CONDITIONAL([BGP_BMP], [$bgpd_bmp])
2247 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
2248 AM_CONDITIONAL([CONFD], [test "x$enable_confd" != "x"])
2249 AM_CONDITIONAL([SYSREPO], [test "x$enable_sysrepo" = "xyes"])
2250 AM_CONDITIONAL([GRPC], [test "x$enable_grpc" = "xyes"])
2251 AM_CONDITIONAL([ZEROMQ], [test "x$ZEROMQ" = "xtrue"])
2253 AM_CONDITIONAL([RPKI], [test "x$RPKI" = "xtrue"])
2254 AM_CONDITIONAL([SNMP], [test "x$SNMP_METHOD" = "xagentx"])
2255 AM_CONDITIONAL([IRDP], [$IRDP])
2256 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
2257 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$enable_protobuf" = "xyes"])
2259 AM_CONDITIONAL([VTYSH], [test "x$VTYSH" = "xvtysh"])
2260 AM_CONDITIONAL([ZEBRA], [test "${enable_zebra}" != "no"])
2261 AM_CONDITIONAL([BGPD], [test "x${enable_bgpd}" != "no"])
2262 AM_CONDITIONAL([RIPD], [test "${enable_ripd}" != "no"])
2263 AM_CONDITIONAL([OSPFD], [test "${enable_ospfd}" != "no"])
2264 AM_CONDITIONAL([LDPD], [test "${enable_ldpd}" != "no"])
2265 AM_CONDITIONAL([BFDD], [test "x$BFDD" = "xbfdd"])
2266 AM_CONDITIONAL([NHRPD], [test "x$NHRPD" = "xnhrpd"])
2267 AM_CONDITIONAL([EIGRPD], [test "${enable_eigrpd}" != "no"])
2268 AM_CONDITIONAL([WATCHFRR], [test "x$WATCHFRR" = "xwatchfrr"])
2269 AM_CONDITIONAL([OSPFCLIENT], [test "x$OSPFCLIENT" = "xospfclient"])
2270 AM_CONDITIONAL([RIPNGD], [test "${enable_ripngd}" != "no"])
2271 AM_CONDITIONAL([BABELD], [test "${enable_babeld}" != "no"])
2272 AM_CONDITIONAL([OSPF6D], [test "${enable_ospf6d}" != "no"])
2273 AM_CONDITIONAL([ISISD], [test "${enable_isisd}" != "no"])
2274 AM_CONDITIONAL([PIMD], [test "${enable_pimd}" != "no"])
2275 AM_CONDITIONAL([PBRD], [test "${enable_pbrd}" != "no"])
2276 AM_CONDITIONAL([SHARPD], [test "${enable_sharpd}" = "yes"])
2277 AM_CONDITIONAL([STATICD], [test "${enable_staticd}" != "no"])
2278 AM_CONDITIONAL([FABRICD], [test "${enable_fabricd}" != "no"])
2279 AM_CONDITIONAL([VRRPD], [test "${enable_vrrpd}" != "no"])
2281 AC_CONFIG_FILES([Makefile],[sed -e 's/^#AUTODERP# //' -i Makefile])
2289 snapcraft/snapcraft.yaml
2291 tests/lib/cli/test_cli.refout
2292 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2293 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2296 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2297 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2298 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2299 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2300 AC_CONFIG_FILES([tools/frrcommon.sh])
2302 AC_CONFIG_COMMANDS([lib/route_types.h], [
2303 dst="${ac_abs_top_builddir}/lib/route_types.h"
2304 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2305 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2308 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2309 && rm "${dst}.tmp" \
2310 || mv "${dst}.tmp" "${dst}"
2315 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
2316 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2317 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2318 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2319 "${ac_abs_top_srcdir}" \
2322 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2323 && rm "${dst}.tmp" \
2324 || mv "${dst}.tmp" "${dst}"
2330 ## Hack, but working solution to avoid rebuilding of frr.info.
2331 ## It's already in CVS until texinfo 4.7 is more common.
2335 FRRouting configuration
2336 ------------------------------
2337 FRR version : ${PACKAGE_VERSION}
2338 host operating system : ${host_os}
2339 source code location : ${srcdir}
2341 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2343 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2344 state file directory : ${frr_statedir}
2345 config file directory : `eval echo \`echo ${sysconfdir}\``
2346 example directory : `eval echo \`echo ${exampledir}\``
2347 module directory : ${CFG_MODULE}
2348 user to run as : ${enable_user}
2349 group to run as : ${enable_group}
2350 group for vty sockets : ${enable_vty_group}
2351 config file mask : ${enable_configfile_mask}
2352 log file mask : ${enable_logfile_mask}
2353 zebra protobuf enabled : ${enable_protobuf:-no}
2355 The above user and group must have read/write access to the state file
2356 directory and to the config files in the config file directory."
2358 if test "${enable_doc}" != "no" -a "$frr_py_mod_sphinx" = false; then
2359 AC_MSG_WARN([sphinx is missing but required to build documentation])
2361 if test "$frr_py_mod_pytest" = false; then
2362 AC_MSG_WARN([pytest is missing, unit tests cannot be performed])