2 ## Configure template file for FRRouting.
3 ## autoconf will generate 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, 5.1-dev, [https://github.com/frrouting/frr/issues])
11 PACKAGE_URL="https://frrouting.org/"
13 PACKAGE_FULLNAME="FRRouting"
14 AC_SUBST(PACKAGE_FULLNAME)
16 CONFIG_ARGS="$ac_configure_args"
19 AC_CONFIG_SRCDIR(lib/zebra.h)
20 AC_CONFIG_MACRO_DIR([m4])
22 dnl -----------------------------------
23 dnl Get hostname and other information.
24 dnl -----------------------------------
28 AS_IF([test "$host" != "$build"], [
29 if test "$srcdir" = "."; then
30 AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir. create a separate directory and run as .../path-to-frr/configure.])
32 test -d hosttools || mkdir hosttools
33 abssrc="`cd \"${srcdir}\"; pwd`"
36 AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
37 AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
40 ( CPPFLAGS="$HOST_CPPFLAGS"; \
41 CFLAGS="$HOST_CFLAGS"; \
42 LDFLAGS="$HOST_LDFLAGS"; \
43 cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"; )
46 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
50 HOSTTOOLS="hosttools/"
56 AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
58 # Disable portability warnings -- our automake code (in particular
59 # common.am) uses some constructs specific to gmake.
60 AM_INIT_AUTOMAKE([1.12 -Wno-portability])
61 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
62 AM_SILENT_RULES([yes])
63 AC_CONFIG_HEADERS(config.h)
65 AC_PATH_PROG(PERL, perl)
68 dnl default is to match previous behavior
69 exampledir=${sysconfdir}
70 AC_ARG_ENABLE([exampledir],
71 AS_HELP_STRING([--enable-exampledir],
72 [specify alternate directory for examples]),
73 exampledir="$enableval",)
74 dnl XXX add --exampledir to autoconf standard directory list somehow
77 dnl default is to match previous behavior
79 AC_ARG_ENABLE([pkgsrcrcdir],
80 AS_HELP_STRING([--enable-pkgsrcrcdir],
81 [specify directory for rc.d scripts]),
82 pkgsrcrcdir="$enableval",)
83 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
85 AM_CONDITIONAL([PKGSRC], [test "x$pkgsrcrcdir" != "x"])
87 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
90 moduledir="\${libdir}/frr/modules"
92 AC_SUBST([moduledir], [$moduledir])
94 AC_ARG_ENABLE(tcmalloc,
95 AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
96 [case "${enableval}" in
97 yes) tcmalloc_enabled=true
98 LIBS="$LIBS -ltcmalloc_minimal"
100 no) tcmalloc_enabled=false ;;
101 *) AC_MSG_ERROR(bad value ${enableval} for --enable-tcmalloc) ;;
102 esac],[tcmalloc_enabled=false])
105 dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
106 dnl flag determination logic.
109 dnl --------------------
110 dnl Check CC and friends
111 dnl --------------------
112 dnl note orig_cflags is also used further down
113 orig_cflags="$CFLAGS"
118 dnl remove autoconf default "-g -O2"
119 CFLAGS="$orig_cflags"
121 dnl NB: see C11 below
126 dnl autoconf 2.59 appears not to support AC_PROG_SED
128 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
130 dnl try and enable CFLAGS that are useful for FRR
131 dnl - specifically, options to control warnings
133 AC_USE_SYSTEM_EXTENSIONS
134 AC_DEFUN([AC_C_FLAG], [{
136 ac_c_flag_save="$CFLAGS"
138 AC_MSG_CHECKING([[whether $CC supports $1]])
140 [AC_LANG_PROGRAM([[]])],
143 m4_if([$3], [], [], [
144 CFLAGS="$ac_c_flag_save"
148 CFLAGS="$ac_c_flag_save"
155 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
157 ac_cflags_save="$CFLAGS"
165 CFLAGS="$ac_cflags_save"
170 CFLAGS="$ac_cflags_save"
177 dnl ICC won't bail on unknown options without -diag-error 10006
178 dnl need to do this first so we get useful results for the other options
179 AC_C_FLAG([-diag-error 10006])
181 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
183 CC="${CC% -std=gnu99}"
186 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
188 dnl AddressSanitizer support
189 AC_ARG_ENABLE([address-sanitizer], AS_HELP_STRING([--enable-address-sanitizer], \
190 [enabled AddressSanitizer support for detecting a wide variety of \
191 memory allocation and deallocation errors]), \
192 [AC_DEFINE(HAVE_ADDRESS_SANITIZER, 1, [enable AddressSanitizer])
193 ASAN_FLAGS="-fsanitize=address"
194 SAN_CLIPPY_FLAGS="-fno-sanitize=all"
195 AC_SUBST([ASAN_FLAGS])
196 AC_SUBST([SAN_CLIPPY_FLAGS])
198 AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Address Sanitizer Enabled])],
199 [AC_MSG_ERROR([Address Sanitizer not available])])
202 dnl ThreadSanitizer support
203 AC_ARG_ENABLE([thread-sanitizer], AS_HELP_STRING([--enable-thread-sanitizer], \
204 [enabled ThreadSanitizer support for detecting data races]), \
205 [AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable ThreadSanitizer])
206 TSAN_FLAGS="-fsanitize=thread"
207 SAN_CLIPPY_FLAGS="-fno-sanitize=all"
208 AC_SUBST([TSAN_FLAGS])
209 AC_SUBST([SAN_CLIPPY_FLAGS])
211 AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Thread Sanitizer Enabled])],
212 [AC_MSG_ERROR([Thread Sanitizer not available])])
215 dnl MemorySanitizer support
216 AC_ARG_ENABLE([memory-sanitizer], AS_HELP_STRING([--enable-memory-sanitizer], \
217 [enabled MemorySanitizer support for detecting uninitialized memory reads]), \
218 [AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable MemorySanitizer])
219 MSAN_FLAGS="-fsanitize=memory -fPIE -pie"
220 SAN_CLIPPY_FLAGS="-fno-sanitize=all"
221 AC_SUBST([MSAN_FLAGS])
222 AC_SUBST([SAN_CLIPPY_FLAGS])
224 AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Memory Sanitizer Enabled])],
225 [AC_MSG_ERROR([Memory Sanitizer not available])])
228 dnl if the user has specified any CFLAGS, override our settings
229 if test "x${enable_gcov}" = "xyes"; then
230 if test "z$orig_cflags" = "z"; then
231 AC_C_FLAG([-coverage])
235 LDFLAGS="${LDFLAGS} -lgcov"
236 elif test "x${enable_dev_build}" = "xyes"; then
237 AC_DEFINE(DEV_BUILD,,Build for development)
238 if test "z$orig_cflags" = "z"; then
243 if test "z$orig_cflags" = "z"; then
250 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
252 dnl always want these CFLAGS
253 AC_C_FLAG([-fno-omit-frame-pointer])
254 AC_C_FLAG([-funwind-tables])
257 AC_C_FLAG([-Wmissing-prototypes])
258 AC_C_FLAG([-Wmissing-declarations])
259 AC_C_FLAG([-Wpointer-arith])
260 AC_C_FLAG([-Wbad-function-cast])
261 AC_C_FLAG([-Wwrite-strings])
262 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
263 AC_C_FLAG([-Wcast-qual])
264 AC_C_FLAG([-Wstrict-prototypes])
265 AC_C_FLAG([-Wmissing-noreturn])
266 AC_C_FLAG([-Wmissing-format-attribute])
267 AC_C_FLAG([-Wunreachable-code])
268 AC_C_FLAG([-Wpacked])
269 AC_C_FLAG([-Wpadded])
271 AC_C_FLAG([-Wno-unused-result])
273 AC_C_FLAG([-Wno-unused-parameter])
274 AC_C_FLAG([-Wno-missing-field-initializers])
276 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
277 dnl for some reason the string consts get 'promoted' to char *,
278 dnl triggering a const to non-const conversion warning.
279 AC_C_FLAG([-diag-disable 3179])
281 if test x"${enable_werror}" = x"yes" ; then
286 dnl need link on this one, not compile
288 ac_ld_flag_save="$LDFLAGS"
289 LDFLAGS="$LDFLAGS -rdynamic"
290 AC_MSG_CHECKING([[whether linker supports -rdynamic]])
292 [AC_LANG_PROGRAM([[]])],
293 [AC_MSG_RESULT([yes])],
295 LDFLAGS="$ac_ld_flag_save"
306 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
307 LIBS="$PTHREAD_LIBS $LIBS"
309 AC_MSG_FAILURE([This FRR version needs pthreads])
318 AC_CHECK_TOOL(AR, ar)
320 dnl -----------------
321 dnl System extensions
322 dnl -----------------
330 dnl ----------------------
331 dnl Packages configuration
332 dnl ----------------------
333 AC_ARG_WITH(pkg-extra-version,
334 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
335 [EXTRAVERSION=$withval],)
336 AC_ARG_WITH(pkg-git-version,
337 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
338 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
339 AC_ARG_WITH(vtysh_pager,
340 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
341 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
343 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
345 AS_HELP_STRING([--disable-doc], [do not build docs]))
347 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
349 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
351 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
352 AC_ARG_ENABLE(ripngd,
353 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
355 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
356 AC_ARG_ENABLE(ospf6d,
357 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
359 AS_HELP_STRING([--enable-ldpd], [build ldpd]))
361 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
362 AC_ARG_ENABLE(eigrpd,
363 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
364 AC_ARG_ENABLE(babeld,
365 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
366 AC_ARG_ENABLE(watchfrr,
367 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
369 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
371 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
373 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
374 AC_ARG_ENABLE(sharpd,
375 AS_HELP_STRING([--enable-sharpd], [do not build sharpd]))
376 AC_ARG_ENABLE(bgp-announce,
377 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
378 AC_ARG_ENABLE(bgp-vnc,
379 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
380 AC_ARG_WITH(rfp-path,
381 AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
383 AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
384 AC_ARG_ENABLE(zeromq,
385 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
387 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
388 AC_ARG_ENABLE(ospfapi,
389 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
390 AC_ARG_ENABLE(ospfclient,
391 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
392 (this is the default if --disable-ospfapi is set)]))
393 AC_ARG_ENABLE(multipath,
394 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
396 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
398 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
399 AC_ARG_ENABLE(vty_group,
400 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
401 AC_ARG_ENABLE(configfile_mask,
402 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
403 AC_ARG_ENABLE(logfile_mask,
404 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
405 AC_ARG_ENABLE(shell_access,
406 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
407 AC_ARG_ENABLE(realms,
408 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
410 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
412 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
413 AC_ARG_ENABLE(capabilities,
414 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
415 AC_ARG_ENABLE(rusage,
416 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
417 AC_ARG_ENABLE(gcc_ultra_verbose,
418 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
419 AC_ARG_ENABLE(linux24_tcp_md5,
420 AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
421 AC_ARG_ENABLE(backtrace,
422 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
423 AC_ARG_ENABLE(time-check,
424 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
425 AC_ARG_ENABLE(pcreposix,
426 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
428 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
429 AC_ARG_ENABLE(systemd,
430 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
431 AC_ARG_ENABLE(werror,
432 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
433 AC_ARG_ENABLE(cumulus,
434 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
435 AC_ARG_ENABLE(datacenter,
436 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
437 AC_ARG_ENABLE(fuzzing,
438 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
439 AC_ARG_ENABLE(rr-semantics,
440 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
441 AC_ARG_ENABLE([protobuf],
442 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
443 AC_ARG_ENABLE([oldvpn_commands],
444 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
446 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
447 AC_ARG_ENABLE([clippy-only],
448 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
449 AC_ARG_ENABLE([numeric_version],
450 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
451 AC_ARG_ENABLE([gcov],
452 AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
454 AS_IF([test "${enable_clippy_only}" != "yes"], [
455 AC_CHECK_HEADERS(json-c/json.h)
456 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c", [], [-lm])
457 if test $ac_cv_lib_json_c_json_object_get = no; then
458 AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
459 if test $ac_cv_lib_json_json_object_get = no; then
460 AC_MSG_ERROR([lib json is needed to compile])
465 AC_ARG_ENABLE([dev_build],
466 AS_HELP_STRING([--enable-dev-build], [build for development]))
468 if test x"${enable_time_check}" != x"no" ; then
469 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
470 AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
472 AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
476 case "${enable_systemd}" in
479 AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
480 if test $ac_cv_lib_systemd_sd_notify = no; then
481 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
483 AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
489 if test "${enable_rr_semantics}" != "no" ; then
490 AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
493 if test "${enable_datacenter}" = "yes" ; then
494 AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
495 DFLT_NAME="datacenter"
497 DFLT_NAME="traditional"
500 if test "${enable_fuzzing}" = "yes" ; then
501 AC_DEFINE(HANDLE_ZAPI_FUZZING,,Compile extensions to use with a fuzzer)
504 if test "${enable_cumulus}" = "yes" ; then
505 AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
509 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
511 if test "${enable_shell_access}" = "yes"; then
512 AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
515 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
520 AS_IF([test "$host" = "$build"], [
524 # 1. try python3, but respect the user's preference on which minor ver
525 # 2. try python, which might be py3 or py2 again on the user's preference
526 # 3. try python2 (can really only be 2.7 but eh)
527 # 4. try 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
529 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
530 # (AX_PYTHON does not do what we need)
532 AC_CHECK_TOOLS([PYTHONCONFIG], [python3-config python-config python2-config])
533 if test -n "$PYTHONCONFIG"; then
534 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
535 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --libs`"
537 AC_MSG_CHECKING([whether we found a working Python version])
538 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
540 #if PY_VERSION_HEX < 0x02070000
541 #error python too old
557 if test -z "$PYTHONCONFIG"; then
558 PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
559 PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
560 PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
561 PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
562 PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
563 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
567 AC_MSG_CHECKING([whether we found a working Python version])
568 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
570 #if PY_VERSION_HEX < 0x02070000
571 #error python too old
581 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
585 AC_SUBST(PYTHON_CFLAGS)
586 AC_SUBST(PYTHON_LIBS)
589 # Logic for protobuf support.
591 if test "$enable_protobuf" = "yes"; then
595 AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
596 if test "x$PROTOC_C" = "x/bin/false"; then
600 PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
601 [found_protobuf_c=yes],
602 [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
604 if test "x$found_protobuf_c" = "xyes"; then
605 LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
606 CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
608 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
609 [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
615 # Logic for old vpn commans support.
617 if test "$enable_oldvpn_commands" = "yes"; then
618 AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
621 # Fail if the user explicity enabled protobuf support and we couldn't
622 # find the compiler or libraries.
623 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
624 AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
627 if test "x$have_protobuf" = "xyes"; then
628 AC_DEFINE(HAVE_PROTOBUF,, protobuf)
631 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
634 # End of logic for protobuf support.
637 if test "${enable_linux24_tcp_md5}" = "yes"; then
638 AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
641 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
642 if test "${enable_rtadv}" != "no"; then
644 AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
649 if test x"${enable_user}" = x"no"; then
652 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
655 AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
658 if test x"${enable_group}" = x"no"; then
661 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
664 AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
667 if test x"${enable_vty_group}" = x"yes" ; then
668 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
669 elif test x"${enable_vty_group}" != x""; then
670 if test x"${enable_vty_group}" != x"no"; then
671 AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
674 AC_SUBST([enable_user])
675 AC_SUBST([enable_group])
676 AC_SUBST([enable_vty_group])
678 enable_configfile_mask=${enable_configfile_mask:-0600}
679 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
681 enable_logfile_mask=${enable_logfile_mask:-0600}
682 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
686 case "${enable_multipath}" in
690 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
691 MPATH_NUM="${enable_multipath}"
696 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
700 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
702 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
704 dnl --------------------
705 dnl Enable code coverage
706 dnl --------------------
707 AM_CONDITIONAL([HAVE_GCOV],[test '!' "$enable_gcov" = no])
709 dnl ------------------------------------
710 dnl Alpine only accepts numeric versions
711 dnl ------------------------------------
712 if test "x${enable_numeric_version}" != "x" ; then
713 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
714 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
717 dnl -----------------------------------
718 dnl Add extra version string to package
719 dnl name, string and version fields.
720 dnl -----------------------------------
721 if test "x${EXTRAVERSION}" != "x" ; then
722 VERSION="${VERSION}${EXTRAVERSION}"
723 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
724 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
725 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
728 if test "x$with_pkg_git_version" = "xyes"; then
729 if test -d "${srcdir}/.git"; then
730 AC_DEFINE(GIT_VERSION, [1], [include git version info])
731 else with_pkg_git_version="no"
732 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
735 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
737 dnl ------------------------------------
738 dnl Check C keywords and standard types
739 dnl ------------------------------------
750 dnl -------------------------
751 dnl Check other header files.
752 dnl -------------------------
753 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
754 linux/version.h asm/types.h \
757 ac_stdatomic_ok=false
758 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
759 AC_CHECK_HEADER([stdatomic.h],[
761 AC_MSG_CHECKING([whether _Atomic qualifier works])
762 AC_LINK_IFELSE([AC_LANG_SOURCE([[
763 #include <stdatomic.h>
764 int main(int argc, char **argv) {
769 AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
777 AS_IF([$ac_stdatomic_ok], [true], [
778 AC_MSG_CHECKING([for __atomic_* builtins])
779 AC_LINK_IFELSE([AC_LANG_SOURCE([[
780 int main(int argc, char **argv) {
782 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
783 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
786 AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
791 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
792 AC_MSG_CHECKING([for __sync_* builtins])
793 AC_LINK_IFELSE([AC_LANG_SOURCE([[
794 int main(int argc, char **argv) {
796 __sync_fetch_and_sub (&i, 1);
797 return __sync_val_compare_and_swap (&i, 0, 1);
800 AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
803 AC_MSG_CHECKING([for __sync_swap builtin])
804 AC_LINK_IFELSE([AC_LANG_SOURCE([[
805 int main(int argc, char **argv) {
807 return __sync_swap (&i, 2);
810 AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
818 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
823 dnl Utility macro to avoid retyping includes all the time
824 m4_define([FRR_INCLUDES],
827 #define __EXTENSIONS__
832 #include <sys/types.h>
833 /* sys/conf.h depends on param.h on FBSD at least */
834 #include <sys/param.h>
835 /* Required for MAXSIG */
837 #include <sys/socket.h>
839 # define __APPLE_USE_RFC_3542
841 #include <netinet/in.h>
842 #include <sys/time.h>
847 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
848 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
849 dnl an additional round for it.
851 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
853 m4_define([FRR_INCLUDES],
855 [#if HAVE_NET_IF_VAR_H
856 # include <net/if_var.h>
860 AC_CHECK_HEADERS([netinet/in_var.h \
861 net/if_dl.h net/netopt.h \
862 inet/nd.h netinet/ip_icmp.h \
863 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
864 [], [], FRR_INCLUDES)
866 AC_CHECK_HEADERS([ucontext.h], [], [],
869 #endif /* __USE_GNU */
873 m4_define([UCONTEXT_INCLUDES],
874 [#include <ucontext.h>])dnl
876 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
877 [], [], [UCONTEXT_INCLUDES])
878 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
879 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
880 [], [], [UCONTEXT_INCLUDES])],
881 [], [UCONTEXT_INCLUDES])
882 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
883 [], [], [UCONTEXT_INCLUDES])
885 m4_define([FRR_INCLUDES],
889 #include <netinet/in_systm.h>
890 #if HAVE_NETINET_IN_VAR_H
891 # include <netinet/in_var.h>
894 # include <net/if_dl.h>
896 #if HAVE_NET_NETOPT_H
897 # include <net/netopt.h>
899 #include <net/route.h>
901 # include <inet/nd.h>
903 #include <arpa/inet.h>
904 /* Required for IDRP */
905 #if HAVE_NETINET_IP_ICMP_H
906 # include <netinet/ip_icmp.h>
910 dnl V6 headers are checked below, after we check for v6
912 AC_MSG_CHECKING([which operating system interface to use])
915 AC_MSG_RESULT([Solaris])
917 AC_DEFINE(SUNOS_5, 1, [SunOS 5])
918 AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
920 AC_CHECK_LIB(socket, main)
921 AC_CHECK_LIB(nsl, main)
922 AC_CHECK_LIB(umem, main)
923 AC_CHECK_FUNCS([printstack], [
924 AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
925 AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
931 AC_MSG_RESULT([Linux])
933 AC_DEFINE(GNU_LINUX,,GNU Linux)
934 AC_DEFINE(HAVE_NETLINK,,netlink)
935 AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
937 dnl Linux has a compilation problem with mixing
938 dnl netinet/in.h and linux/in6.h they are not
939 dnl compatible. There has been discussion on
940 dnl how to fix it but no real progress on implementation
941 dnl when they fix it, remove this
942 AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
945 AC_MSG_RESULT([OpenBSD])
947 AC_DEFINE(OPEN_BSD,,OpenBSD)
948 AC_DEFINE(KAME,1,KAME IPv6)
949 AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
951 if test "x${enable_pimd}" != "xno"; then
956 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
964 AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
965 AC_DEFINE(KAME,1,KAME IPv6)
966 AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
969 AM_CONDITIONAL(SOLARIS, test "${SOLARIS}" = "solaris")
973 dnl ------------------------
974 dnl Integrated REALMS option
975 dnl ------------------------
976 if test "${enable_realms}" = "yes"; then
979 AC_DEFINE(SUPPORT_REALMS,, Realms support)
982 echo "Sorry, only Linux has REALMS support"
987 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
989 dnl ---------------------
990 dnl Integrated VTY option
991 dnl ---------------------
992 case "${enable_vtysh}" in
995 AC_DEFINE(VTYSH,,VTY shell)
996 dnl Vtysh uses libreadline, which looks for termcap functions at
997 dnl configure time. We follow readlines search order.
998 dnl The required procedures are in libtermcap on NetBSD, in
999 dnl [TODO] on Linux, and in [TODO] on Solaris.
1000 AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
1001 [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
1002 [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
1003 [AC_CHECK_LIB(ncurses, tputs,
1004 LIBREADLINE="$LIBREADLINE -lncurses")]
1008 AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
1010 if test $ac_cv_lib_readline_main = no; then
1011 AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
1013 AC_CHECK_HEADER(readline/history.h)
1014 if test $ac_cv_header_readline_history_h = no;then
1015 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1017 AC_CHECK_LIB(readline, rl_completion_matches,
1018 LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
1019 if test $ac_cv_lib_readline_rl_completion_matches = no; then
1020 AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
1024 AC_SUBST(LIBREADLINE)
1025 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
1030 dnl FRR detects the PAM library it is built against by checking for a
1031 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1032 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1033 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1034 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1037 if test "$with_libpam" = "yes"; then
1038 AC_CHECK_HEADER([security/pam_misc.h],
1039 [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
1040 AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
1041 pam_conv_func="misc_conv"
1044 AC_CHECK_HEADER([security/openpam.h],
1045 [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
1046 AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
1047 pam_conv_func="openpam_ttyconv"
1049 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1050 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1051 AC_MSG_WARN([*** pam support will not be built ***])
1056 if test "$with_libpam" = "yes"; then
1057 dnl took this test from proftpds configure.in and suited to our needs
1058 dnl -------------------------------------------------------------------------
1060 dnl This next check looks funky due to a linker problem with some versions
1061 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1062 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1063 dnl with RedHat 6.2 and Debian 2.2 or better.
1064 AC_CHECK_LIB(pam, pam_start,
1065 [AC_CHECK_LIB(pam, $pam_conv_func,
1066 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1068 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1069 LIBPAM="-lpam -lpam_misc"]
1073 [AC_CHECK_LIB(pam, pam_end,
1074 [AC_CHECK_LIB(pam, $pam_conv_func,
1075 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1076 LIBPAM="-lpam -ldl"],
1077 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1078 LIBPAM="-lpam -ldl -lpam_misc"]
1080 ],AC_MSG_WARN([*** pam support will not be built ***]),
1087 dnl -------------------------------
1088 dnl Endian-ness check
1089 dnl -------------------------------
1092 dnl -------------------------------
1093 dnl check the size in byte of the C
1094 dnl -------------------------------
1095 dnl AC_CHECK_SIZEOF(char)
1096 dnl AC_CHECK_SIZEOF(int)
1097 dnl AC_CHECK_SIZEOF(short)
1098 dnl AC_CHECK_SIZEOF(long)
1100 dnl ----------------------------
1101 dnl check existance of functions
1102 dnl ----------------------------
1108 dnl -------------------------------
1109 dnl bgpd needs pow() and hence libm
1110 dnl -------------------------------
1112 AC_CHECK_HEADER([math.h],
1113 [AC_CHECK_LIB([m], [pow],
1116 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1119 if test x"$LIBM" = x ; then
1120 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1125 AC_CHECK_FUNCS([ppoll], [
1126 AC_DEFINE([HAVE_PPOLL], 1, [have Linux/BSD ppoll()])
1128 AC_CHECK_FUNCS([pollts], [
1129 AC_DEFINE([HAVE_POLLTS], 1, [have NetBSD pollts()])
1139 AC_CHECK_HEADER([asm-generic/unistd.h],
1140 [AC_CHECK_DECL(__NR_setns,
1141 AC_DEFINE(HAVE_NETNS,, Have netns),,
1142 FRR_INCLUDES [#include <asm-generic/unistd.h>
1144 AC_CHECK_FUNCS(setns)]
1147 dnl --------------------------
1148 dnl Determine IS-IS I/O method
1149 dnl --------------------------
1150 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
1151 AC_DEFINE(ISIS_METHOD_DLPI, 2, [ constant value for isis method dlpi ])
1152 AC_DEFINE(ISIS_METHOD_BPF, 3, [ constant value for isis method bpf ])
1153 AC_CHECK_HEADER(net/bpf.h)
1154 AC_CHECK_HEADER(sys/dlpi.h)
1155 AC_MSG_CHECKING(zebra IS-IS I/O method)
1159 AC_MSG_RESULT(pfpacket)
1160 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1164 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1167 if test $ac_cv_header_net_bpf_h = no; then
1168 if test $ac_cv_header_sys_dlpi_h = no; then
1170 if test "${enable_isisd}" = yes; then
1171 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1173 AC_MSG_WARN([*** IS-IS support will not be built ***])
1178 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1181 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1185 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
1187 dnl ------------------------------------
1188 dnl check for broken CMSG_FIRSTHDR macro
1189 dnl ------------------------------------
1190 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
1191 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1194 #define __EXTENSIONS__
1197 #include <sys/types.h>
1198 #include <sys/socket.h>
1205 msg.msg_control = buf;
1206 msg.msg_controllen = 0;
1208 if (CMSG_FIRSTHDR(&msg) != NULL)
1211 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1212 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1214 dnl ---------------------------------------------------------------
1215 dnl figure out how to specify an interface in multicast sockets API
1216 dnl ---------------------------------------------------------------
1217 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1219 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1220 #include <sys/socket.h>
1221 #include <netinet/in.h>
1222 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1223 #include <linux/types.h>
1226 m4_define([FRR_INCLUDES],
1228 [#if HAVE_LINUX_MROUTE_H
1229 # include <linux/mroute.h>
1233 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1234 #include <sys/socket.h>
1235 #include <sys/types.h>
1236 #include <netinet/in.h>
1237 #include <net/route.h>
1240 m4_define([FRR_INCLUDES],
1242 [#if HAVE_NETINET_IP_MROUTE_H
1243 # include <netinet/ip_mroute.h>
1247 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1248 AC_TRY_COMPILE([#include <sys/param.h>],
1249 [#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)
1252 #error No support for BSD struct ip_mreq hack detected
1253 #endif],[AC_MSG_RESULT(yes)
1254 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1257 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1259 #include <sys/types.h>
1260 #include <netinet/in.h>
1261 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1262 ], [AC_MSG_RESULT(yes)
1263 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1266 dnl ---------------------------------------------------------------
1267 dnl figure out how to check link-state
1268 dnl ---------------------------------------------------------------
1269 AC_CHECK_HEADER( [net/if_media.h],
1270 [m4_define([LINK_DETECT_INCLUDES],
1272 [#include <net/if_media.h>
1274 AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1275 AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1276 [], LINK_DETECT_INCLUDES)],
1280 dnl ---------------------------------------------------------------
1281 dnl Additional, newer way to check link-state using ifi_link_state.
1282 dnl Not available in all BSD's when ifmediareq available
1283 dnl ---------------------------------------------------------------
1284 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1285 AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1288 dnl ------------------------
1289 dnl TCP_MD5SIG socket option
1290 dnl ------------------------
1292 AC_CHECK_HEADER([netinet/tcp.h],
1293 [m4_define([MD5_INCLUDES],
1295 [#include <netinet/tcp.h>
1297 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1300 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1301 AC_CHECK_HEADER([linux/tcp.h],
1302 [m4_define([MD5_INCLUDES],
1304 [#include <linux/tcp.h>
1306 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1309 dnl ----------------------------------------------------------------------------
1310 dnl figure out if domainname is available in the utsname struct (GNU extension).
1311 dnl ----------------------------------------------------------------------------
1312 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1314 dnl ------------------
1315 dnl IPv6 header checks
1316 dnl ------------------
1317 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1318 netinet6/in6_var.h netinet6/nd6.h], [], [],
1321 m4_define([FRR_INCLUDES],dnl
1323 [#if HAVE_NETINET6_IN6_H
1324 #include <netinet6/in6.h>
1326 #if HAVE_NETINET_IN6_VAR_H
1327 #include <netinet/in6_var.h>
1329 #include <netinet/icmp6.h>
1330 #if HAVE_NETINET6_IN6_VAR_H
1331 # include <netinet6/in6_var.h>
1333 #if HAVE_NETINET6_ND6_H
1334 # include <netinet6/nd6.h>
1338 dnl disable doc check
1339 if test "${enable_doc}" = "no";then
1345 dnl --------------------
1346 dnl Daemon disable check
1347 dnl --------------------
1348 AM_CONDITIONAL(ZEBRA, test "${enable_zebra}" != "no")
1350 if test "${enable_bgpd}" = "no";then
1355 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1357 AM_CONDITIONAL(RIPD, test "${enable_ripd}" != "no")
1358 AM_CONDITIONAL(OSPFD, test "${enable_ospfd}" != "no")
1359 AM_CONDITIONAL(LDPD, test "${enable_ldpd}" != "no")
1361 AS_IF([test "${enable_ldpd}" != "no"], [
1362 AC_DEFINE(HAVE_LDPD, 1, ldpd)
1368 if test "${enable_nhrpd}" != "no"; then
1373 if test "${enable_nhrpd}" = "yes"; then
1374 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1378 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1380 AM_CONDITIONAL(EIGRPD, test "${enable_eigrpd}" != "no")
1382 if test "${enable_watchfrr}" = "no";then
1387 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1390 if test "${enable_ospfapi}" != "no";then
1391 AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1393 if test "${enable_ospfclient}" != "no";then
1394 OSPFCLIENT="ospfclient"
1398 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1399 AM_CONDITIONAL(RIPNGD, test "${enable_ripngd}" != "no")
1400 AM_CONDITIONAL(BABELD, test "${enable_babeld}" != "no")
1401 AM_CONDITIONAL(OSPF6D, test "${enable_ospf6d}" != "no")
1402 AM_CONDITIONAL(ISISD, test "${enable_isisd}" != "no")
1403 AM_CONDITIONAL(PIMD, test "${enable_pimd}" != "no")
1404 AM_CONDITIONAL(PBRD, test "${enable_pbrd}" != "no")
1405 AM_CONDITIONAL(SHARPD, test "${enable_sharpd}" = "yes")
1407 if test "${enable_bgp_announce}" = "no";then
1408 AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1410 AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1413 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1414 with_rfp_path="bgpd/rfp-example"
1416 if test "${with_rfp_path}" != "no"; then
1417 VNC_RFP_PATH="${with_rfp_path}"
1418 AC_SUBST(VNC_RFP_PATH)
1421 if test "${enable_bgp_vnc}" != "no";then
1422 AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1423 RFPTEST="${with_rfp_path}/rfptest"
1424 LIBRFP="${with_rfp_path}/librfp"
1425 RFPINC="${with_rfp_path}/librfp"
1429 RFPINC="bgpd/rfp-example/librfp"
1432 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1442 AC_CHECK_LIB(crypt, crypt, [],
1443 [AC_CHECK_LIB(crypto, DES_crypt)])
1444 AC_CHECK_LIB(resolv, res_init)
1446 dnl ---------------------------
1447 dnl check system has PCRE regexp
1448 dnl ---------------------------
1449 if test "x$enable_pcreposix" = "xyes"; then
1450 AC_CHECK_LIB(pcreposix, regexec, [], [
1451 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1454 AC_SUBST(HAVE_LIBPCREPOSIX)
1456 dnl ------------------
1457 dnl check C-Ares library
1458 dnl ------------------
1459 if test "${NHRPD}" != ""; then
1460 PKG_CHECK_MODULES([CARES], [libcares], , [
1461 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1466 dnl ------------------
1467 dnl check Net-SNMP library
1468 dnl ------------------
1469 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1470 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1471 if test x"$NETSNMP_CONFIG" = x"no"; then
1472 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1474 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1475 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1476 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1477 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1485 AC_MSG_ERROR([--enable-snmp given but not usable])])
1486 case "${enable_snmp}" in
1491 SNMP_METHOD="${enable_snmp}"
1494 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1497 AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1498 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1499 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1501 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1503 AC_SUBST(SNMP_CFLAGS)
1508 AC_SEARCH_LIBS([sqrt], [m])
1513 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1514 AC_MSG_ERROR([unable to find the dlopen()])
1517 AC_CHECK_HEADERS([link.h])
1519 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1520 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1528 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1531 AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1536 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1537 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1544 struct link_map *lm = NULL;
1545 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1548 AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1554 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1556 dnl ---------------------------
1557 dnl sockaddr and netinet checks
1558 dnl ---------------------------
1561 struct vifctl, struct mfcctl, struct sioc_sg_req,
1562 vifi_t, struct sioc_vif_req, struct igmpmsg,
1563 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1564 struct nd_opt_adv_interval, struct rt_addrinfo,
1565 struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1566 [], [], FRR_INCLUDES)
1568 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1569 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1570 struct sockaddr_dl.sdl_len,
1571 struct if6_aliasreq.ifra_lifetime,
1572 struct nd_opt_adv_interval.nd_opt_ai_type],
1573 [], [], FRR_INCLUDES)
1575 dnl ---------------------------
1576 dnl IRDP/pktinfo/icmphdr checks
1577 dnl ---------------------------
1579 AC_CHECK_TYPES([struct in_pktinfo], [
1580 AC_CHECK_TYPES([struct icmphdr], [
1589 case "${enable_irdp}" in
1591 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1598 AM_CONDITIONAL(IRDP, $IRDP)
1600 dnl -----------------------
1601 dnl checking for IP_PKTINFO
1602 dnl -----------------------
1603 AC_MSG_CHECKING(for IP_PKTINFO)
1604 AC_TRY_COMPILE([#include <netdb.h>], [
1605 int opt = IP_PKTINFO;
1608 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1613 dnl ---------------------------
1614 dnl checking for IP_RECVDSTADDR
1615 dnl ---------------------------
1616 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1617 AC_TRY_COMPILE([#include <netinet/in.h>], [
1618 int opt = IP_RECVDSTADDR;
1621 AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1626 dnl ----------------------
1627 dnl checking for IP_RECVIF
1628 dnl ----------------------
1629 AC_MSG_CHECKING(for IP_RECVIF)
1630 AC_TRY_COMPILE([#include <netinet/in.h>], [
1631 int opt = IP_RECVIF;
1634 AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1639 dnl ----------------------
1640 dnl checking for SO_BINDANY
1641 dnl ----------------------
1642 AC_MSG_CHECKING(for SO_BINDANY)
1643 AC_TRY_COMPILE([#include <sys/socket.h>], [
1644 int opt = SO_BINDANY;
1647 AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1652 dnl ----------------------
1653 dnl checking for IP_FREEBIND
1654 dnl ----------------------
1655 AC_MSG_CHECKING(for IP_FREEBIND)
1656 AC_TRY_COMPILE([#include <netinet/in.h>], [
1657 int opt = IP_FREEBIND;
1660 AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1665 dnl --------------------------------------
1666 dnl checking for be32dec existence or not
1667 dnl --------------------------------------
1668 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1669 [#include <sys/endian.h>])
1671 dnl --------------------------------------
1672 dnl checking for clock_time monotonic struct and call
1673 dnl --------------------------------------
1674 AC_CHECK_DECL(CLOCK_MONOTONIC,
1675 [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1676 AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1677 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1679 dnl --------------------------------------
1680 dnl checking for flex and bison
1681 dnl --------------------------------------
1684 AC_MSG_CHECKING(version of flex)
1685 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1686 frr_ac_flex_version="${frr_ac_flex_version##* }"
1687 AC_MSG_RESULT([$frr_ac_flex_version])
1688 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1689 LEX="$SHELL $missing_dir/missing flex"
1690 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1691 AC_MSG_WARN([using pregenerated flex output files])
1693 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1695 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1696 AC_SUBST([LEXLIB], [''])
1700 dnl thanks GNU bison for this b*llshit...
1701 AC_MSG_CHECKING(version of bison)
1702 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1703 frr_ac_bison_version="${frr_ac_bison_version##* }"
1704 frr_ac_bison_missing="false"
1705 case "x${frr_ac_bison_version}" in
1708 BISON_CLOSEBRACE='"'
1710 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1713 AC_MSG_RESULT([$frr_ac_bison_version])
1714 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1715 frr_ac_bison_missing="true"
1718 AC_MSG_RESULT([none])
1719 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1720 frr_ac_bison_missing="true"
1724 BISON_CLOSEBRACE='}'
1725 BISON_VERBOSE='-Dparse.error=verbose'
1726 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1729 AC_SUBST(BISON_OPENBRACE)
1730 AC_SUBST(BISON_CLOSEBRACE)
1731 AC_SUBST(BISON_VERBOSE)
1733 if $frr_ac_bison_missing; then
1734 YACC="$SHELL $missing_dir/missing bison -y"
1735 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1736 AC_MSG_WARN([using pregenerated bison output files])
1738 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1742 dnl -------------------
1743 dnl capabilities checks
1744 dnl -------------------
1745 if test "${enable_capabilities}" != "no"; then
1746 AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1747 AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1749 AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1750 frr_ac_keepcaps="yes"],
1753 if test x"${frr_ac_keepcaps}" = x"yes"; then
1754 AC_CHECK_HEADERS(sys/capability.h)
1756 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1757 AC_CHECK_LIB(cap, cap_init,
1758 [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1763 AC_CHECK_HEADERS(priv.h,
1764 [AC_MSG_CHECKING(Solaris style privileges are available)
1765 AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1767 AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1768 frr_ac_scaps="yes"],
1774 if test x"${frr_ac_scaps}" = x"yes" \
1775 -o x"${frr_ac_lcaps}" = x"yes"; then
1776 AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1781 dnl ---------------------------
1782 dnl check for glibc 'backtrace'
1783 dnl ---------------------------
1784 if test x"${enable_backtrace}" != x"no" ; then
1786 AC_CHECK_HEADER([execinfo.h], [
1787 AC_SEARCH_LIBS([backtrace], [execinfo], [
1788 AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1789 AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1794 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1795 dnl user explicitly requested backtrace but we failed to find support
1796 AC_MSG_FAILURE([failed to find backtrace support])
1800 dnl -----------------------------------------
1801 dnl check for malloc mallinfo struct and call
1802 dnl this must try and link using LIBS, in
1803 dnl order to check no alternative allocator
1804 dnl has been specified, which might not provide
1805 dnl mallinfo, e.g. such as Umem on Solaris.
1806 dnl -----------------------------------------
1807 AC_CHECK_HEADER([malloc.h],
1808 [AC_MSG_CHECKING(whether mallinfo is available)
1809 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1810 [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1812 AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1815 ], [], FRR_INCLUDES)
1820 if test "x$enable_zeromq" != "xno"; then
1821 PKG_CHECK_MODULES(ZEROMQ, [libzmq >= 4.0.0], [
1822 AC_DEFINE(HAVE_ZEROMQ, 1, [Enable ZeroMQ support])
1825 if test "x$enable_zeromq" = "xyes"; then
1826 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1830 AM_CONDITIONAL([ZEROMQ], test "x$ZEROMQ" = "xtrue")
1835 CONFDATE=`date '+%Y%m%d'`
1838 dnl ------------------------------
1839 dnl set paths for state directory
1840 dnl ------------------------------
1841 AC_MSG_CHECKING(directory to use for state file)
1842 if test "${prefix}" = "NONE"; then
1843 frr_statedir_prefix="";
1845 frr_statedir_prefix=${prefix}
1847 if test "${localstatedir}" = '${prefix}/var'; then
1848 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1849 ${frr_statedir_prefix}/var/adm dnl
1850 ${frr_statedir_prefix}/etc dnl
1856 test -d $FRR_STATE_DIR && break
1858 frr_statedir=$FRR_STATE_DIR
1860 frr_statedir=${localstatedir}
1862 if test $frr_statedir = "/dev/null"; then
1863 AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1865 AC_MSG_RESULT(${frr_statedir})
1866 AC_SUBST(frr_statedir)
1868 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1869 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1870 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1872 dnl autoconf does this, but it does it too late...
1873 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1874 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1876 dnl get the full path, recursing through variables...
1877 vtysh_bin="$bindir/vtysh"
1878 for I in 1 2 3 4 5 6 7 8 9 10; do
1879 eval vtysh_bin="\"$vtysh_bin\""
1881 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1883 CFG_SYSCONF="$sysconfdir"
1885 CFG_STATE="$frr_statedir"
1886 CFG_MODULE="$moduledir"
1887 for I in 1 2 3 4 5 6 7 8 9 10; do
1888 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1889 eval CFG_SBIN="\"$CFG_SBIN\""
1890 eval CFG_STATE="\"$CFG_STATE\""
1891 eval CFG_MODULE="\"$CFG_MODULE\""
1893 AC_SUBST(CFG_SYSCONF)
1896 AC_SUBST(CFG_MODULE)
1897 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1899 dnl ------------------------------------
1900 dnl Enable RPKI and add librtr to libs
1901 dnl ------------------------------------
1902 if test "${enable_rpki}" = "yes"; then
1903 PKG_CHECK_MODULES(RTRLIB,[rtrlib >= 0.5.0],
1904 [AC_DEFINE(HAVE_RPKI,1,Enable RPKI prefix validation for BGP)
1907 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1910 AM_CONDITIONAL([RPKI], test "x$RPKI" = "xtrue")
1912 dnl ------------------------------------------
1913 dnl Check whether rtrlib was build with ssh support
1914 dnl ------------------------------------------
1915 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1916 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1917 [[struct tr_ssh_config config;]])],
1919 AC_DEFINE(FOUND_SSH,,found_ssh)],
1923 dnl ---------------------------
1924 dnl Check htonl works correctly
1925 dnl ---------------------------
1926 AC_MSG_CHECKING(for working htonl)
1927 AC_CACHE_VAL(ac_cv_htonl_works,
1928 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1929 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1932 AC_MSG_RESULT($ac_cv_htonl_works)
1934 AC_CONFIG_FILES([Makefile
1939 doc/manpages/Makefile
1940 doc/developer/Makefile
1942 bgpd/rfp-example/rfptest/Makefile
1943 bgpd/rfp-example/librfp/Makefile
1948 snapcraft/snapcraft.yaml
1950 tests/lib/cli/test_cli.refout
1951 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1952 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
1955 if test "${enable_bgp_vnc}" != "no"; then
1956 if test "${with_rfp_path}" != "bgpd/rfp-example" ; then
1957 AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1961 AC_CONFIG_FILES([solaris/Makefile])
1963 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1965 AC_CONFIG_COMMANDS([lib/route_types.h], [
1966 dst="${ac_abs_top_builddir}/lib/route_types.h"
1967 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
1968 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
1971 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
1972 && rm "${dst}.tmp" \
1973 || mv "${dst}.tmp" "${dst}"
1978 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
1979 AC_CONFIG_COMMANDS([lib/gitversion.h], [
1980 dst="${ac_abs_top_builddir}/lib/gitversion.h"
1981 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
1982 "${ac_abs_top_srcdir}" \
1985 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
1986 && rm "${dst}.tmp" \
1987 || mv "${dst}.tmp" "${dst}"
1993 ## Hack, but working solution to avoid rebuilding of frr.info.
1994 ## It's already in CVS until texinfo 4.7 is more common.
1998 FRRouting configuration
1999 ------------------------------
2000 FRR version : ${PACKAGE_VERSION}
2001 host operating system : ${host_os}
2002 source code location : ${srcdir}
2004 compiler flags : ${CFLAGS}
2006 linker flags : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2007 state file directory : ${frr_statedir}
2008 config file directory : `eval echo \`echo ${sysconfdir}\``
2009 example directory : `eval echo \`echo ${exampledir}\``
2010 module directory : ${CFG_MODULE}
2011 user to run as : ${enable_user}
2012 group to run as : ${enable_group}
2013 group for vty sockets : ${enable_vty_group}
2014 config file mask : ${enable_configfile_mask}
2015 log file mask : ${enable_logfile_mask}
2016 zebra protobuf enabled : ${have_protobuf:-no}
2018 The above user and group must have read/write access to the state file
2019 directory and to the config files in the config file directory."