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([--disable-ldpd], [do not 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], [build sharpd]))
376 AC_ARG_ENABLE(staticd,
377 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
378 AC_ARG_ENABLE(bgp-announce,
379 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
380 AC_ARG_ENABLE(bgp-vnc,
381 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
382 AC_ARG_WITH(rfp-path,
383 AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
385 AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
386 AC_ARG_ENABLE(zeromq,
387 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
389 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
390 AC_ARG_ENABLE(ospfapi,
391 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
392 AC_ARG_ENABLE(ospfclient,
393 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
394 (this is the default if --disable-ospfapi is set)]))
395 AC_ARG_ENABLE(multipath,
396 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
398 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
400 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
401 AC_ARG_ENABLE(vty_group,
402 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
403 AC_ARG_ENABLE(configfile_mask,
404 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
405 AC_ARG_ENABLE(logfile_mask,
406 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
407 AC_ARG_ENABLE(shell_access,
408 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
409 AC_ARG_ENABLE(realms,
410 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
412 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
414 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
415 AC_ARG_ENABLE(capabilities,
416 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
417 AC_ARG_ENABLE(rusage,
418 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
419 AC_ARG_ENABLE(gcc_ultra_verbose,
420 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
421 AC_ARG_ENABLE(linux24_tcp_md5,
422 AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
423 AC_ARG_ENABLE(backtrace,
424 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
425 AC_ARG_ENABLE(time-check,
426 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
427 AC_ARG_ENABLE(pcreposix,
428 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
430 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
431 AC_ARG_ENABLE(systemd,
432 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
433 AC_ARG_ENABLE(werror,
434 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
435 AC_ARG_ENABLE(cumulus,
436 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
437 AC_ARG_ENABLE(datacenter,
438 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
439 AC_ARG_ENABLE(fuzzing,
440 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
441 AC_ARG_ENABLE(netlink_fuzzing,
442 AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
443 AC_ARG_ENABLE(rr-semantics,
444 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
445 AC_ARG_ENABLE([protobuf],
446 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
447 AC_ARG_ENABLE([oldvpn_commands],
448 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
450 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
451 AC_ARG_ENABLE([clippy-only],
452 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
453 AC_ARG_ENABLE([numeric_version],
454 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
455 AC_ARG_ENABLE([gcov],
456 AS_HELP_STRING([--enable-gcov], [Add code coverage information]))
458 AS_IF([test "${enable_clippy_only}" != "yes"], [
459 AC_CHECK_HEADERS(json-c/json.h)
460 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c", [], [-lm])
461 if test $ac_cv_lib_json_c_json_object_get = no; then
462 AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
463 if test $ac_cv_lib_json_json_object_get = no; then
464 AC_MSG_ERROR([lib json is needed to compile])
469 AC_ARG_ENABLE([dev_build],
470 AS_HELP_STRING([--enable-dev-build], [build for development]))
472 if test x"${enable_time_check}" != x"no" ; then
473 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
474 AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
476 AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
480 case "${enable_systemd}" in
483 AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
484 if test $ac_cv_lib_systemd_sd_notify = no; then
485 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
487 AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
493 if test "${enable_rr_semantics}" != "no" ; then
494 AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
497 if test "${enable_datacenter}" = "yes" ; then
498 AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
499 DFLT_NAME="datacenter"
501 DFLT_NAME="traditional"
504 if test "${enable_fuzzing}" = "yes" ; then
505 AC_DEFINE(HANDLE_ZAPI_FUZZING,,Compile extensions to use with a fuzzer)
508 if test "${enable_netlink_fuzzing}" = "yes" ; then
509 AC_DEFINE(HANDLE_NETLINK_FUZZING,,Compile extensions to use with a fuzzer for netlink)
512 if test "${enable_cumulus}" = "yes" ; then
513 AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
517 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
519 if test "${enable_shell_access}" = "yes"; then
520 AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
523 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
528 AS_IF([test "$host" = "$build"], [
532 # 1. try python3, but respect the user's preference on which minor ver
533 # 2. try python, which might be py3 or py2 again on the user's preference
534 # 3. try python2 (can really only be 2.7 but eh)
535 # 4. try 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
537 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
538 # (AX_PYTHON does not do what we need)
540 AC_CHECK_TOOLS([PYTHONCONFIG], [python3-config python-config python2-config])
541 if test -n "$PYTHONCONFIG"; then
542 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
543 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --libs`"
545 AC_MSG_CHECKING([whether we found a working Python version])
546 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
548 #if PY_VERSION_HEX < 0x02070000
549 #error python too old
565 if test -z "$PYTHONCONFIG"; then
566 PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
567 PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
568 PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
569 PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
570 PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
571 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
575 AC_MSG_CHECKING([whether we found a working Python version])
576 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
578 #if PY_VERSION_HEX < 0x02070000
579 #error python too old
589 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
593 AC_SUBST(PYTHON_CFLAGS)
594 AC_SUBST(PYTHON_LIBS)
597 # Logic for protobuf support.
599 if test "$enable_protobuf" = "yes"; then
603 AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
604 if test "x$PROTOC_C" = "x/bin/false"; then
608 PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
609 [found_protobuf_c=yes],
610 [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
612 if test "x$found_protobuf_c" = "xyes"; then
613 LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
614 CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
616 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
617 [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
623 # Logic for old vpn commans support.
625 if test "$enable_oldvpn_commands" = "yes"; then
626 AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
629 # Fail if the user explicity enabled protobuf support and we couldn't
630 # find the compiler or libraries.
631 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
632 AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
635 if test "x$have_protobuf" = "xyes"; then
636 AC_DEFINE(HAVE_PROTOBUF,, protobuf)
639 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
642 # End of logic for protobuf support.
645 if test "${enable_linux24_tcp_md5}" = "yes"; then
646 AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
649 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
650 if test "${enable_rtadv}" != "no"; then
652 AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
657 if test x"${enable_user}" = x"no"; then
660 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
663 AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
666 if test x"${enable_group}" = x"no"; then
669 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
672 AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
675 if test x"${enable_vty_group}" = x"yes" ; then
676 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
677 elif test x"${enable_vty_group}" != x""; then
678 if test x"${enable_vty_group}" != x"no"; then
679 AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
682 AC_SUBST([enable_user])
683 AC_SUBST([enable_group])
684 AC_SUBST([enable_vty_group])
686 enable_configfile_mask=${enable_configfile_mask:-0600}
687 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
689 enable_logfile_mask=${enable_logfile_mask:-0600}
690 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
694 case "${enable_multipath}" in
698 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
699 MPATH_NUM="${enable_multipath}"
704 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
708 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
710 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
712 dnl --------------------
713 dnl Enable code coverage
714 dnl --------------------
715 AM_CONDITIONAL([HAVE_GCOV],[test '!' "$enable_gcov" = no])
717 dnl ------------------------------------
718 dnl Alpine only accepts numeric versions
719 dnl ------------------------------------
720 if test "x${enable_numeric_version}" != "x" ; then
721 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
722 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
725 dnl -----------------------------------
726 dnl Add extra version string to package
727 dnl name, string and version fields.
728 dnl -----------------------------------
729 if test "x${EXTRAVERSION}" != "x" ; then
730 VERSION="${VERSION}${EXTRAVERSION}"
731 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
732 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
733 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
736 if test "x$with_pkg_git_version" = "xyes"; then
737 if test -d "${srcdir}/.git"; then
738 AC_DEFINE(GIT_VERSION, [1], [include git version info])
739 else with_pkg_git_version="no"
740 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
743 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
745 dnl ------------------------------------
746 dnl Check C keywords and standard types
747 dnl ------------------------------------
758 dnl -------------------------
759 dnl Check other header files.
760 dnl -------------------------
761 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
762 linux/version.h asm/types.h \
765 ac_stdatomic_ok=false
766 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
767 AC_CHECK_HEADER([stdatomic.h],[
769 AC_MSG_CHECKING([whether _Atomic qualifier works])
770 AC_LINK_IFELSE([AC_LANG_SOURCE([[
771 #include <stdatomic.h>
772 int main(int argc, char **argv) {
777 AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
785 AS_IF([$ac_stdatomic_ok], [true], [
786 AC_MSG_CHECKING([for __atomic_* builtins])
787 AC_LINK_IFELSE([AC_LANG_SOURCE([[
788 int main(int argc, char **argv) {
790 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
791 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
794 AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
799 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
800 AC_MSG_CHECKING([for __sync_* builtins])
801 AC_LINK_IFELSE([AC_LANG_SOURCE([[
802 int main(int argc, char **argv) {
804 __sync_fetch_and_sub (&i, 1);
805 return __sync_val_compare_and_swap (&i, 0, 1);
808 AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
811 AC_MSG_CHECKING([for __sync_swap builtin])
812 AC_LINK_IFELSE([AC_LANG_SOURCE([[
813 int main(int argc, char **argv) {
815 return __sync_swap (&i, 2);
818 AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
826 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
831 dnl Utility macro to avoid retyping includes all the time
832 m4_define([FRR_INCLUDES],
835 #define __EXTENSIONS__
840 #include <sys/types.h>
841 /* sys/conf.h depends on param.h on FBSD at least */
842 #include <sys/param.h>
843 /* Required for MAXSIG */
845 #include <sys/socket.h>
847 # define __APPLE_USE_RFC_3542
849 #include <netinet/in.h>
850 #include <sys/time.h>
855 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
856 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
857 dnl an additional round for it.
859 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
861 m4_define([FRR_INCLUDES],
863 [#if HAVE_NET_IF_VAR_H
864 # include <net/if_var.h>
868 AC_CHECK_HEADERS([netinet/in_var.h \
869 net/if_dl.h net/netopt.h \
870 inet/nd.h netinet/ip_icmp.h \
871 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
872 [], [], FRR_INCLUDES)
874 AC_CHECK_HEADERS([ucontext.h], [], [],
877 #endif /* __USE_GNU */
881 m4_define([UCONTEXT_INCLUDES],
882 [#include <ucontext.h>])dnl
884 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
885 [], [], [UCONTEXT_INCLUDES])
886 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
887 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
888 [], [], [UCONTEXT_INCLUDES])],
889 [], [UCONTEXT_INCLUDES])
890 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
891 [], [], [UCONTEXT_INCLUDES])
893 m4_define([FRR_INCLUDES],
897 #include <netinet/in_systm.h>
898 #if HAVE_NETINET_IN_VAR_H
899 # include <netinet/in_var.h>
902 # include <net/if_dl.h>
904 #if HAVE_NET_NETOPT_H
905 # include <net/netopt.h>
907 #include <net/route.h>
909 # include <inet/nd.h>
911 #include <arpa/inet.h>
912 /* Required for IDRP */
913 #if HAVE_NETINET_IP_ICMP_H
914 # include <netinet/ip_icmp.h>
918 dnl V6 headers are checked below, after we check for v6
920 AC_MSG_CHECKING([which operating system interface to use])
923 AC_MSG_RESULT([Solaris])
925 AC_DEFINE(SUNOS_5, 1, [SunOS 5])
926 AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
928 AC_CHECK_LIB(socket, main)
929 AC_CHECK_LIB(nsl, main)
930 AC_CHECK_LIB(umem, main)
931 AC_CHECK_FUNCS([printstack], [
932 AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
933 AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
939 AC_MSG_RESULT([Linux])
941 AC_DEFINE(GNU_LINUX,,GNU Linux)
942 AC_DEFINE(HAVE_NETLINK,,netlink)
943 AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
945 dnl Linux has a compilation problem with mixing
946 dnl netinet/in.h and linux/in6.h they are not
947 dnl compatible. There has been discussion on
948 dnl how to fix it but no real progress on implementation
949 dnl when they fix it, remove this
950 AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
953 AC_MSG_RESULT([OpenBSD])
955 AC_DEFINE(OPEN_BSD,,OpenBSD)
956 AC_DEFINE(KAME,1,KAME IPv6)
957 AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
959 if test "x${enable_pimd}" != "xno"; then
964 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
972 AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
973 AC_DEFINE(KAME,1,KAME IPv6)
974 AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
977 AM_CONDITIONAL(SOLARIS, test "${SOLARIS}" = "solaris")
981 dnl ------------------------
982 dnl Integrated REALMS option
983 dnl ------------------------
984 if test "${enable_realms}" = "yes"; then
987 AC_DEFINE(SUPPORT_REALMS,, Realms support)
990 echo "Sorry, only Linux has REALMS support"
995 AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
997 dnl ---------------------
998 dnl Integrated VTY option
999 dnl ---------------------
1000 case "${enable_vtysh}" in
1003 AC_DEFINE(VTYSH,,VTY shell)
1004 dnl Vtysh uses libreadline, which looks for termcap functions at
1005 dnl configure time. We follow readlines search order.
1006 dnl The required procedures are in libtermcap on NetBSD, in
1007 dnl [TODO] on Linux, and in [TODO] on Solaris.
1008 AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
1009 [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
1010 [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
1011 [AC_CHECK_LIB(ncurses, tputs,
1012 LIBREADLINE="$LIBREADLINE -lncurses")]
1016 AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
1018 if test $ac_cv_lib_readline_main = no; then
1019 AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
1021 AC_CHECK_HEADER(readline/history.h)
1022 if test $ac_cv_header_readline_history_h = no;then
1023 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1025 AC_CHECK_LIB(readline, rl_completion_matches,
1026 LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
1027 if test $ac_cv_lib_readline_rl_completion_matches = no; then
1028 AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
1032 AC_SUBST(LIBREADLINE)
1033 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
1038 dnl FRR detects the PAM library it is built against by checking for a
1039 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1040 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1041 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1042 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1045 if test "$with_libpam" = "yes"; then
1046 AC_CHECK_HEADER([security/pam_misc.h],
1047 [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
1048 AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
1049 pam_conv_func="misc_conv"
1052 AC_CHECK_HEADER([security/openpam.h],
1053 [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
1054 AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
1055 pam_conv_func="openpam_ttyconv"
1057 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1058 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1059 AC_MSG_WARN([*** pam support will not be built ***])
1064 if test "$with_libpam" = "yes"; then
1065 dnl took this test from proftpds configure.in and suited to our needs
1066 dnl -------------------------------------------------------------------------
1068 dnl This next check looks funky due to a linker problem with some versions
1069 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1070 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1071 dnl with RedHat 6.2 and Debian 2.2 or better.
1072 AC_CHECK_LIB(pam, pam_start,
1073 [AC_CHECK_LIB(pam, $pam_conv_func,
1074 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1076 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1077 LIBPAM="-lpam -lpam_misc"]
1081 [AC_CHECK_LIB(pam, pam_end,
1082 [AC_CHECK_LIB(pam, $pam_conv_func,
1083 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1084 LIBPAM="-lpam -ldl"],
1085 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1086 LIBPAM="-lpam -ldl -lpam_misc"]
1088 ],AC_MSG_WARN([*** pam support will not be built ***]),
1095 dnl -------------------------------
1096 dnl Endian-ness check
1097 dnl -------------------------------
1100 dnl -------------------------------
1101 dnl check the size in byte of the C
1102 dnl -------------------------------
1103 dnl AC_CHECK_SIZEOF(char)
1104 dnl AC_CHECK_SIZEOF(int)
1105 dnl AC_CHECK_SIZEOF(short)
1106 dnl AC_CHECK_SIZEOF(long)
1108 dnl ----------------------------
1109 dnl check existance of functions
1110 dnl ----------------------------
1116 dnl -------------------------------
1117 dnl bgpd needs pow() and hence libm
1118 dnl -------------------------------
1120 AC_CHECK_HEADER([math.h],
1121 [AC_CHECK_LIB([m], [pow],
1124 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1127 if test x"$LIBM" = x ; then
1128 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1133 AC_CHECK_FUNCS([ppoll], [
1134 AC_DEFINE([HAVE_PPOLL], 1, [have Linux/BSD ppoll()])
1136 AC_CHECK_FUNCS([pollts], [
1137 AC_DEFINE([HAVE_POLLTS], 1, [have NetBSD pollts()])
1147 AC_CHECK_HEADER([asm-generic/unistd.h],
1148 [AC_CHECK_DECL(__NR_setns,
1149 AC_DEFINE(HAVE_NETNS,, Have netns),,
1150 FRR_INCLUDES [#include <asm-generic/unistd.h>
1152 AC_CHECK_FUNCS(setns)]
1155 dnl --------------------------
1156 dnl Determine IS-IS I/O method
1157 dnl --------------------------
1158 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
1159 AC_DEFINE(ISIS_METHOD_DLPI, 2, [ constant value for isis method dlpi ])
1160 AC_DEFINE(ISIS_METHOD_BPF, 3, [ constant value for isis method bpf ])
1161 AC_CHECK_HEADER(net/bpf.h)
1162 AC_CHECK_HEADER(sys/dlpi.h)
1163 AC_MSG_CHECKING(zebra IS-IS I/O method)
1167 AC_MSG_RESULT(pfpacket)
1168 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1172 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1175 if test $ac_cv_header_net_bpf_h = no; then
1176 if test $ac_cv_header_sys_dlpi_h = no; then
1178 if test "${enable_isisd}" = yes; then
1179 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1181 AC_MSG_WARN([*** IS-IS support will not be built ***])
1186 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1189 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1193 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
1195 dnl ------------------------------------
1196 dnl check for broken CMSG_FIRSTHDR macro
1197 dnl ------------------------------------
1198 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
1199 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1202 #define __EXTENSIONS__
1205 #include <sys/types.h>
1206 #include <sys/socket.h>
1213 msg.msg_control = buf;
1214 msg.msg_controllen = 0;
1216 if (CMSG_FIRSTHDR(&msg) != NULL)
1219 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1220 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1222 dnl ---------------------------------------------------------------
1223 dnl figure out how to specify an interface in multicast sockets API
1224 dnl ---------------------------------------------------------------
1225 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1227 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1228 #include <sys/socket.h>
1229 #include <netinet/in.h>
1230 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1231 #include <linux/types.h>
1234 m4_define([FRR_INCLUDES],
1236 [#if HAVE_LINUX_MROUTE_H
1237 # include <linux/mroute.h>
1241 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1242 #include <sys/socket.h>
1243 #include <sys/types.h>
1244 #include <netinet/in.h>
1245 #include <net/route.h>
1248 m4_define([FRR_INCLUDES],
1250 [#if HAVE_NETINET_IP_MROUTE_H
1251 # include <netinet/ip_mroute.h>
1255 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1256 AC_TRY_COMPILE([#include <sys/param.h>],
1257 [#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)
1260 #error No support for BSD struct ip_mreq hack detected
1261 #endif],[AC_MSG_RESULT(yes)
1262 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1265 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1267 #include <sys/types.h>
1268 #include <netinet/in.h>
1269 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1270 ], [AC_MSG_RESULT(yes)
1271 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1274 dnl ---------------------------------------------------------------
1275 dnl figure out how to check link-state
1276 dnl ---------------------------------------------------------------
1277 AC_CHECK_HEADER( [net/if_media.h],
1278 [m4_define([LINK_DETECT_INCLUDES],
1280 [#include <net/if_media.h>
1282 AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1283 AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1284 [], LINK_DETECT_INCLUDES)],
1288 dnl ---------------------------------------------------------------
1289 dnl Additional, newer way to check link-state using ifi_link_state.
1290 dnl Not available in all BSD's when ifmediareq available
1291 dnl ---------------------------------------------------------------
1292 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1293 AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1296 dnl ------------------------
1297 dnl TCP_MD5SIG socket option
1298 dnl ------------------------
1300 AC_CHECK_HEADER([netinet/tcp.h],
1301 [m4_define([MD5_INCLUDES],
1303 [#include <netinet/tcp.h>
1305 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1308 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1309 AC_CHECK_HEADER([linux/tcp.h],
1310 [m4_define([MD5_INCLUDES],
1312 [#include <linux/tcp.h>
1314 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1317 dnl ----------------------------------------------------------------------------
1318 dnl figure out if domainname is available in the utsname struct (GNU extension).
1319 dnl ----------------------------------------------------------------------------
1320 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1322 dnl ------------------
1323 dnl IPv6 header checks
1324 dnl ------------------
1325 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1326 netinet6/in6_var.h netinet6/nd6.h], [], [],
1329 m4_define([FRR_INCLUDES],dnl
1331 [#if HAVE_NETINET6_IN6_H
1332 #include <netinet6/in6.h>
1334 #if HAVE_NETINET_IN6_VAR_H
1335 #include <netinet/in6_var.h>
1337 #include <netinet/icmp6.h>
1338 #if HAVE_NETINET6_IN6_VAR_H
1339 # include <netinet6/in6_var.h>
1341 #if HAVE_NETINET6_ND6_H
1342 # include <netinet6/nd6.h>
1346 dnl disable doc check
1347 if test "${enable_doc}" = "no";then
1353 dnl --------------------
1354 dnl Daemon disable check
1355 dnl --------------------
1356 AM_CONDITIONAL(ZEBRA, test "${enable_zebra}" != "no")
1358 if test "${enable_bgpd}" = "no";then
1363 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1365 AM_CONDITIONAL(RIPD, test "${enable_ripd}" != "no")
1366 AM_CONDITIONAL(OSPFD, test "${enable_ospfd}" != "no")
1367 AM_CONDITIONAL(LDPD, test "${enable_ldpd}" != "no")
1369 AS_IF([test "${enable_ldpd}" != "no"], [
1370 AC_DEFINE(HAVE_LDPD, 1, ldpd)
1376 if test "${enable_nhrpd}" != "no"; then
1381 if test "${enable_nhrpd}" = "yes"; then
1382 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1386 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1388 AM_CONDITIONAL(EIGRPD, test "${enable_eigrpd}" != "no")
1390 if test "${enable_watchfrr}" = "no";then
1395 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1398 if test "${enable_ospfapi}" != "no";then
1399 AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1401 if test "${enable_ospfclient}" != "no";then
1402 OSPFCLIENT="ospfclient"
1406 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1407 AM_CONDITIONAL(RIPNGD, test "${enable_ripngd}" != "no")
1408 AM_CONDITIONAL(BABELD, test "${enable_babeld}" != "no")
1409 AM_CONDITIONAL(OSPF6D, test "${enable_ospf6d}" != "no")
1410 AM_CONDITIONAL(ISISD, test "${enable_isisd}" != "no")
1411 AM_CONDITIONAL(PIMD, test "${enable_pimd}" != "no")
1412 AM_CONDITIONAL(PBRD, test "${enable_pbrd}" != "no")
1413 AM_CONDITIONAL(SHARPD, test "${enable_sharpd}" = "yes")
1414 AM_CONDITIONAL(STATICD, test "${enable_staticd}" != "no")
1416 if test "${enable_bgp_announce}" = "no";then
1417 AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1419 AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1422 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1423 with_rfp_path="bgpd/rfp-example"
1425 if test "${with_rfp_path}" != "no"; then
1426 VNC_RFP_PATH="${with_rfp_path}"
1427 AC_SUBST(VNC_RFP_PATH)
1430 if test "${enable_bgp_vnc}" != "no";then
1431 AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1432 RFPTEST="${with_rfp_path}/rfptest"
1433 LIBRFP="${with_rfp_path}/librfp"
1434 RFPINC="${with_rfp_path}/librfp"
1438 RFPINC="bgpd/rfp-example/librfp"
1441 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1451 AC_CHECK_LIB(crypt, crypt, [],
1452 [AC_CHECK_LIB(crypto, DES_crypt)])
1453 AC_CHECK_LIB(resolv, res_init)
1455 dnl ---------------------------
1456 dnl check system has PCRE regexp
1457 dnl ---------------------------
1458 if test "x$enable_pcreposix" = "xyes"; then
1459 AC_CHECK_LIB(pcreposix, regexec, [], [
1460 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1463 AC_SUBST(HAVE_LIBPCREPOSIX)
1465 dnl ------------------
1466 dnl check C-Ares library
1467 dnl ------------------
1468 if test "${NHRPD}" != ""; then
1469 PKG_CHECK_MODULES([CARES], [libcares], , [
1470 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1475 dnl ------------------
1476 dnl check Net-SNMP library
1477 dnl ------------------
1478 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1479 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1480 if test x"$NETSNMP_CONFIG" = x"no"; then
1481 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1483 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1484 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1485 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1486 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1494 AC_MSG_ERROR([--enable-snmp given but not usable])])
1495 case "${enable_snmp}" in
1500 SNMP_METHOD="${enable_snmp}"
1503 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1506 AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1507 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1508 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1510 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1512 AC_SUBST(SNMP_CFLAGS)
1517 AC_SEARCH_LIBS([sqrt], [m])
1522 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1523 AC_MSG_ERROR([unable to find the dlopen()])
1526 AC_CHECK_HEADERS([link.h])
1528 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1529 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1537 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1540 AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1545 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1546 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1553 struct link_map *lm = NULL;
1554 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1557 AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1563 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1565 dnl ---------------------------
1566 dnl sockaddr and netinet checks
1567 dnl ---------------------------
1570 struct vifctl, struct mfcctl, struct sioc_sg_req,
1571 vifi_t, struct sioc_vif_req, struct igmpmsg,
1572 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1573 struct nd_opt_adv_interval, struct rt_addrinfo,
1574 struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1575 [], [], FRR_INCLUDES)
1577 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1578 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1579 struct sockaddr_dl.sdl_len,
1580 struct if6_aliasreq.ifra_lifetime,
1581 struct nd_opt_adv_interval.nd_opt_ai_type],
1582 [], [], FRR_INCLUDES)
1584 dnl ---------------------------
1585 dnl IRDP/pktinfo/icmphdr checks
1586 dnl ---------------------------
1588 AC_CHECK_TYPES([struct in_pktinfo], [
1589 AC_CHECK_TYPES([struct icmphdr], [
1598 case "${enable_irdp}" in
1600 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1607 AM_CONDITIONAL(IRDP, $IRDP)
1609 dnl -----------------------
1610 dnl checking for IP_PKTINFO
1611 dnl -----------------------
1612 AC_MSG_CHECKING(for IP_PKTINFO)
1613 AC_TRY_COMPILE([#include <netdb.h>], [
1614 int opt = IP_PKTINFO;
1617 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1622 dnl ---------------------------
1623 dnl checking for IP_RECVDSTADDR
1624 dnl ---------------------------
1625 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1626 AC_TRY_COMPILE([#include <netinet/in.h>], [
1627 int opt = IP_RECVDSTADDR;
1630 AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1635 dnl ----------------------
1636 dnl checking for IP_RECVIF
1637 dnl ----------------------
1638 AC_MSG_CHECKING(for IP_RECVIF)
1639 AC_TRY_COMPILE([#include <netinet/in.h>], [
1640 int opt = IP_RECVIF;
1643 AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1648 dnl ----------------------
1649 dnl checking for SO_BINDANY
1650 dnl ----------------------
1651 AC_MSG_CHECKING(for SO_BINDANY)
1652 AC_TRY_COMPILE([#include <sys/socket.h>], [
1653 int opt = SO_BINDANY;
1656 AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1661 dnl ----------------------
1662 dnl checking for IP_FREEBIND
1663 dnl ----------------------
1664 AC_MSG_CHECKING(for IP_FREEBIND)
1665 AC_TRY_COMPILE([#include <netinet/in.h>], [
1666 int opt = IP_FREEBIND;
1669 AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1674 dnl --------------------------------------
1675 dnl checking for be32dec existence or not
1676 dnl --------------------------------------
1677 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1678 [#include <sys/endian.h>])
1680 dnl --------------------------------------
1681 dnl checking for clock_time monotonic struct and call
1682 dnl --------------------------------------
1683 AC_CHECK_DECL(CLOCK_MONOTONIC,
1684 [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1685 AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1686 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1688 dnl --------------------------------------
1689 dnl checking for flex and bison
1690 dnl --------------------------------------
1693 AC_MSG_CHECKING(version of flex)
1694 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1695 frr_ac_flex_version="${frr_ac_flex_version##* }"
1696 AC_MSG_RESULT([$frr_ac_flex_version])
1697 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1698 LEX="$SHELL $missing_dir/missing flex"
1699 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1700 AC_MSG_WARN([using pregenerated flex output files])
1702 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1704 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1705 AC_SUBST([LEXLIB], [''])
1709 dnl thanks GNU bison for this b*llshit...
1710 AC_MSG_CHECKING(version of bison)
1711 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1712 frr_ac_bison_version="${frr_ac_bison_version##* }"
1713 frr_ac_bison_missing="false"
1714 case "x${frr_ac_bison_version}" in
1717 BISON_CLOSEBRACE='"'
1719 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1722 AC_MSG_RESULT([$frr_ac_bison_version])
1723 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1724 frr_ac_bison_missing="true"
1727 AC_MSG_RESULT([none])
1728 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1729 frr_ac_bison_missing="true"
1733 BISON_CLOSEBRACE='}'
1734 BISON_VERBOSE='-Dparse.error=verbose'
1735 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1738 AC_SUBST(BISON_OPENBRACE)
1739 AC_SUBST(BISON_CLOSEBRACE)
1740 AC_SUBST(BISON_VERBOSE)
1742 if $frr_ac_bison_missing; then
1743 YACC="$SHELL $missing_dir/missing bison -y"
1744 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1745 AC_MSG_WARN([using pregenerated bison output files])
1747 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1751 dnl -------------------
1752 dnl capabilities checks
1753 dnl -------------------
1754 if test "${enable_capabilities}" != "no"; then
1755 AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1756 AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1758 AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1759 frr_ac_keepcaps="yes"],
1762 if test x"${frr_ac_keepcaps}" = x"yes"; then
1763 AC_CHECK_HEADERS(sys/capability.h)
1765 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1766 AC_CHECK_LIB(cap, cap_init,
1767 [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1772 AC_CHECK_HEADERS(priv.h,
1773 [AC_MSG_CHECKING(Solaris style privileges are available)
1774 AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1776 AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1777 frr_ac_scaps="yes"],
1783 if test x"${frr_ac_scaps}" = x"yes" \
1784 -o x"${frr_ac_lcaps}" = x"yes"; then
1785 AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1790 dnl ---------------------------
1791 dnl check for glibc 'backtrace'
1792 dnl ---------------------------
1793 if test x"${enable_backtrace}" != x"no" ; then
1795 AC_CHECK_HEADER([execinfo.h], [
1796 AC_SEARCH_LIBS([backtrace], [execinfo], [
1797 AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1798 AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1803 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1804 dnl user explicitly requested backtrace but we failed to find support
1805 AC_MSG_FAILURE([failed to find backtrace support])
1809 dnl -----------------------------------------
1810 dnl check for malloc mallinfo struct and call
1811 dnl this must try and link using LIBS, in
1812 dnl order to check no alternative allocator
1813 dnl has been specified, which might not provide
1814 dnl mallinfo, e.g. such as Umem on Solaris.
1815 dnl -----------------------------------------
1816 AC_CHECK_HEADER([malloc.h],
1817 [AC_MSG_CHECKING(whether mallinfo is available)
1818 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1819 [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1821 AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1824 ], [], FRR_INCLUDES)
1829 if test "x$enable_zeromq" != "xno"; then
1830 PKG_CHECK_MODULES(ZEROMQ, [libzmq >= 4.0.0], [
1831 AC_DEFINE(HAVE_ZEROMQ, 1, [Enable ZeroMQ support])
1834 if test "x$enable_zeromq" = "xyes"; then
1835 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1839 AM_CONDITIONAL([ZEROMQ], test "x$ZEROMQ" = "xtrue")
1844 dev_version=`echo $VERSION | grep dev`
1845 #don't expire deprecated code in non 'dev' branch
1846 if test "${dev_version}" = ""; then
1849 CONFDATE=`date '+%Y%m%d'`
1853 dnl ------------------------------
1854 dnl set paths for state directory
1855 dnl ------------------------------
1856 AC_MSG_CHECKING(directory to use for state file)
1857 if test "${prefix}" = "NONE"; then
1858 frr_statedir_prefix="";
1860 frr_statedir_prefix=${prefix}
1862 if test "${localstatedir}" = '${prefix}/var'; then
1863 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1864 ${frr_statedir_prefix}/var/adm dnl
1865 ${frr_statedir_prefix}/etc dnl
1871 test -d $FRR_STATE_DIR && break
1873 frr_statedir=$FRR_STATE_DIR
1875 frr_statedir=${localstatedir}
1877 if test $frr_statedir = "/dev/null"; then
1878 AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1880 AC_MSG_RESULT(${frr_statedir})
1881 AC_SUBST(frr_statedir)
1883 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1884 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1885 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1887 dnl autoconf does this, but it does it too late...
1888 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1889 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1891 dnl get the full path, recursing through variables...
1892 vtysh_bin="$bindir/vtysh"
1893 for I in 1 2 3 4 5 6 7 8 9 10; do
1894 eval vtysh_bin="\"$vtysh_bin\""
1896 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1898 CFG_SYSCONF="$sysconfdir"
1900 CFG_STATE="$frr_statedir"
1901 CFG_MODULE="$moduledir"
1902 for I in 1 2 3 4 5 6 7 8 9 10; do
1903 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1904 eval CFG_SBIN="\"$CFG_SBIN\""
1905 eval CFG_STATE="\"$CFG_STATE\""
1906 eval CFG_MODULE="\"$CFG_MODULE\""
1908 AC_SUBST(CFG_SYSCONF)
1911 AC_SUBST(CFG_MODULE)
1912 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1914 dnl ------------------------------------
1915 dnl Enable RPKI and add librtr to libs
1916 dnl ------------------------------------
1917 if test "${enable_rpki}" = "yes"; then
1918 PKG_CHECK_MODULES(RTRLIB,[rtrlib >= 0.5.0],
1919 [AC_DEFINE(HAVE_RPKI,1,Enable RPKI prefix validation for BGP)
1922 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1925 AM_CONDITIONAL([RPKI], test "x$RPKI" = "xtrue")
1927 dnl ------------------------------------------
1928 dnl Check whether rtrlib was build with ssh support
1929 dnl ------------------------------------------
1930 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1931 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1932 [[struct tr_ssh_config config;]])],
1934 AC_DEFINE(FOUND_SSH,,found_ssh)],
1938 dnl ---------------------------
1939 dnl Check htonl works correctly
1940 dnl ---------------------------
1941 AC_MSG_CHECKING(for working htonl)
1942 AC_CACHE_VAL(ac_cv_htonl_works,
1943 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1944 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1947 AC_MSG_RESULT($ac_cv_htonl_works)
1949 AC_CONFIG_FILES([Makefile
1954 doc/manpages/Makefile
1955 doc/developer/Makefile
1957 bgpd/rfp-example/rfptest/Makefile
1958 bgpd/rfp-example/librfp/Makefile
1963 snapcraft/snapcraft.yaml
1965 tests/lib/cli/test_cli.refout
1966 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1967 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
1970 if test "${enable_bgp_vnc}" != "no"; then
1971 if test "${with_rfp_path}" != "bgpd/rfp-example" ; then
1972 AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1976 AC_CONFIG_FILES([solaris/Makefile])
1978 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1980 AC_CONFIG_COMMANDS([lib/route_types.h], [
1981 dst="${ac_abs_top_builddir}/lib/route_types.h"
1982 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
1983 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
1986 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
1987 && rm "${dst}.tmp" \
1988 || mv "${dst}.tmp" "${dst}"
1993 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
1994 AC_CONFIG_COMMANDS([lib/gitversion.h], [
1995 dst="${ac_abs_top_builddir}/lib/gitversion.h"
1996 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
1997 "${ac_abs_top_srcdir}" \
2000 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2001 && rm "${dst}.tmp" \
2002 || mv "${dst}.tmp" "${dst}"
2008 ## Hack, but working solution to avoid rebuilding of frr.info.
2009 ## It's already in CVS until texinfo 4.7 is more common.
2013 FRRouting configuration
2014 ------------------------------
2015 FRR version : ${PACKAGE_VERSION}
2016 host operating system : ${host_os}
2017 source code location : ${srcdir}
2019 compiler flags : ${CFLAGS}
2021 linker flags : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2022 state file directory : ${frr_statedir}
2023 config file directory : `eval echo \`echo ${sysconfdir}\``
2024 example directory : `eval echo \`echo ${exampledir}\``
2025 module directory : ${CFG_MODULE}
2026 user to run as : ${enable_user}
2027 group to run as : ${enable_group}
2028 group for vty sockets : ${enable_vty_group}
2029 config file mask : ${enable_configfile_mask}
2030 log file mask : ${enable_logfile_mask}
2031 zebra protobuf enabled : ${have_protobuf:-no}
2033 The above user and group must have read/write access to the state file
2034 directory and to the config files in the config file directory."