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, 3.1-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=$build"; )
46 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
50 HOSTTOOLS="hosttools/"
56 AM_CONDITIONAL([BUILD_CLIPPY], [$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="$CC -std=gnu11"])
188 dnl if the user has specified any CFLAGS, override our settings
189 if test "x${enable_dev_build}" = "xyes"; then
190 AC_DEFINE(DEV_BUILD,,Build for development)
191 if test "z$orig_cflags" = "z"; then
196 if test "z$orig_cflags" = "z"; then
203 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
205 dnl always want these CFLAGS
206 AC_C_FLAG([-fno-omit-frame-pointer])
207 AC_C_FLAG([-funwind-tables])
210 AC_C_FLAG([-Wmissing-prototypes])
211 AC_C_FLAG([-Wmissing-declarations])
212 AC_C_FLAG([-Wpointer-arith])
213 AC_C_FLAG([-Wbad-function-cast])
214 AC_C_FLAG([-Wwrite-strings])
215 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
216 AC_C_FLAG([-Wcast-qual])
217 AC_C_FLAG([-Wstrict-prototypes])
218 AC_C_FLAG([-Wmissing-noreturn])
219 AC_C_FLAG([-Wmissing-format-attribute])
220 AC_C_FLAG([-Wunreachable-code])
221 AC_C_FLAG([-Wpacked])
222 AC_C_FLAG([-Wpadded])
224 AC_C_FLAG([-Wno-unused-result])
226 AC_C_FLAG([-Wno-unused-parameter])
227 AC_C_FLAG([-Wno-missing-field-initializers])
229 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
230 dnl for some reason the string consts get 'promoted' to char *,
231 dnl triggering a const to non-const conversion warning.
232 AC_C_FLAG([-diag-disable 3179])
234 if test x"${enable_werror}" = x"yes" ; then
239 dnl need link on this one, not compile
241 ac_ld_flag_save="$LDFLAGS"
242 LDFLAGS="$LDFLAGS -rdynamic"
243 AC_MSG_CHECKING([[whether linker supports -rdynamic]])
245 [AC_LANG_PROGRAM([[]])],
246 [AC_MSG_RESULT([yes])],
248 LDFLAGS="$ac_ld_flag_save"
259 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
260 LIBS="$PTHREAD_LIBS $LIBS"
262 AC_MSG_FAILURE([This FRR version needs pthreads])
271 AC_CHECK_TOOL(AR, ar)
273 dnl -----------------
274 dnl System extensions
275 dnl -----------------
283 dnl ----------------------
284 dnl Packages configuration
285 dnl ----------------------
286 AC_ARG_WITH(pkg-extra-version,
287 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
288 [EXTRAVERSION=$withval],)
289 AC_ARG_WITH(pkg-git-version,
290 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
291 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
292 AC_ARG_WITH(vtysh_pager,
293 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
294 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
296 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
298 AS_HELP_STRING([--disable-doc], [do not build docs]))
300 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
302 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
304 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
305 AC_ARG_ENABLE(ripngd,
306 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
308 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
309 AC_ARG_ENABLE(ospf6d,
310 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
312 AS_HELP_STRING([--enable-ldpd], [build ldpd]))
314 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
315 AC_ARG_ENABLE(eigrpd,
316 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
317 AC_ARG_ENABLE(babeld,
318 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
319 AC_ARG_ENABLE(watchfrr,
320 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
322 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
324 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
325 AC_ARG_ENABLE(bgp-announce,
326 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
327 AC_ARG_ENABLE(bgp-vnc,
328 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
329 AC_ARG_WITH(rfp-path,
330 AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
332 AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
333 AC_ARG_ENABLE(zeromq,
334 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
336 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
337 AC_ARG_ENABLE(ospfapi,
338 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
339 AC_ARG_ENABLE(ospfclient,
340 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
341 (this is the default if --disable-ospfapi is set)]))
342 AC_ARG_ENABLE(multipath,
343 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
345 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
347 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
348 AC_ARG_ENABLE(vty_group,
349 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
350 AC_ARG_ENABLE(configfile_mask,
351 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
352 AC_ARG_ENABLE(logfile_mask,
353 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
354 AC_ARG_ENABLE(shell_access,
355 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
357 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
359 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
360 AC_ARG_ENABLE(capabilities,
361 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
362 AC_ARG_ENABLE(rusage,
363 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
364 AC_ARG_ENABLE(gcc_ultra_verbose,
365 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
366 AC_ARG_ENABLE(linux24_tcp_md5,
367 AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
368 AC_ARG_ENABLE(backtrace,
369 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
370 AC_ARG_ENABLE(time-check,
371 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
372 AC_ARG_ENABLE(pcreposix,
373 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
375 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
376 AC_ARG_ENABLE(systemd,
377 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
378 AC_ARG_ENABLE(werror,
379 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
380 AC_ARG_ENABLE(cumulus,
381 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
382 AC_ARG_ENABLE(datacenter,
383 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
384 AC_ARG_ENABLE(fuzzing,
385 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
386 AC_ARG_ENABLE(rr-semantics,
387 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
388 AC_ARG_ENABLE([protobuf],
389 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
390 AC_ARG_ENABLE([oldvpn_commands],
391 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
393 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
395 AC_CHECK_HEADERS(json-c/json.h)
396 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c", [], [-lm])
397 if test $ac_cv_lib_json_c_json_object_get = no; then
398 AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
399 if test $ac_cv_lib_json_json_object_get = no; then
400 AC_MSG_ERROR([lib json is needed to compile])
404 AC_ARG_ENABLE([dev_build],
405 AS_HELP_STRING([--enable-dev-build], [build for development]))
407 if test x"${enable_time_check}" != x"no" ; then
408 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
409 AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
411 AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
415 case "${enable_systemd}" in
418 AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
419 if test $ac_cv_lib_systemd_sd_notify = no; then
420 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
422 AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
428 if test "${enable_rr_semantics}" != "no" ; then
429 AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
432 if test "${enable_datacenter}" = "yes" ; then
433 AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
434 DFLT_NAME="datacenter"
436 DFLT_NAME="traditional"
439 if test "${enable_fuzzing}" = "yes" ; then
440 AC_DEFINE(HANDLE_ZAPI_FUZZING,,Compile extensions to use with a fuzzer)
443 if test "${enable_cumulus}" = "yes" ; then
444 AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
448 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
450 if test "${enable_shell_access}" = "yes"; then
451 AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
454 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
459 AS_IF([test "$host" = "$build"], [
463 # 1. try python3, but respect the user's preference on which minor ver
464 # 2. try python, which might be py3 or py2 again on the user's preference
465 # 3. try python2 (can really only be 2.7 but eh)
466 # 4. try 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
468 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
469 # (AX_PYTHON does not do what we need)
471 AC_CHECK_TOOLS([PYTHONCONFIG], [python3-config python-config python2-config])
472 if test -n "$PYTHONCONFIG"; then
473 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
474 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --libs`"
476 AC_MSG_CHECKING([whether we found a working Python version])
477 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
479 #if PY_VERSION_HEX < 0x02070000
480 #error python too old
496 if test -z "$PYTHONCONFIG"; then
497 PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
498 PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
499 PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
500 PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
501 PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
502 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
506 AC_MSG_CHECKING([whether we found a working Python version])
507 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
509 #if PY_VERSION_HEX < 0x02070000
510 #error python too old
520 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
524 AC_SUBST(PYTHON_CFLAGS)
525 AC_SUBST(PYTHON_LIBS)
528 # Logic for protobuf support.
530 if test "$enable_protobuf" = "yes"; then
534 AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
535 if test "x$PROTOC_C" = "x/bin/false"; then
539 PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
540 [found_protobuf_c=yes],
541 [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
543 if test "x$found_protobuf_c" = "xyes"; then
544 LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
545 CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
547 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
548 [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
554 # Logic for old vpn commans support.
556 if test "$enable_oldvpn_commands" = "yes"; then
557 AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
560 # Fail if the user explicity enabled protobuf support and we couldn't
561 # find the compiler or libraries.
562 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
563 AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
566 if test "x$have_protobuf" = "xyes"; then
567 AC_DEFINE(HAVE_PROTOBUF,, protobuf)
570 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
573 # End of logic for protobuf support.
576 if test "${enable_linux24_tcp_md5}" = "yes"; then
577 AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
580 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
581 if test "${enable_rtadv}" != "no"; then
583 AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
588 if test x"${enable_user}" = x"no"; then
591 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
594 AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
597 if test x"${enable_group}" = x"no"; then
600 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
603 AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
606 if test x"${enable_vty_group}" = x"yes" ; then
607 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
608 elif test x"${enable_vty_group}" != x""; then
609 if test x"${enable_vty_group}" != x"no"; then
610 AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
613 AC_SUBST([enable_user])
614 AC_SUBST([enable_group])
615 AC_SUBST([enable_vty_group])
617 enable_configfile_mask=${enable_configfile_mask:-0600}
618 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
620 enable_logfile_mask=${enable_logfile_mask:-0600}
621 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
625 case "${enable_multipath}" in
629 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
630 MPATH_NUM="${enable_multipath}"
635 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
639 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
641 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
643 dnl -----------------------------------
644 dnl Add extra version string to package
645 dnl name, string and version fields.
646 dnl -----------------------------------
647 if test "x${EXTRAVERSION}" != "x" ; then
648 VERSION="${VERSION}${EXTRAVERSION}"
649 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
650 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
651 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
654 if test "x$with_pkg_git_version" = "xyes"; then
655 if test -d "${srcdir}/.git"; then
656 AC_DEFINE(GIT_VERSION, [1], [include git version info])
657 else with_pkg_git_version="no"
658 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
661 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
663 dnl ------------------------------------
664 dnl Check C keywords and standard types
665 dnl ------------------------------------
676 dnl -------------------------
677 dnl Check other header files.
678 dnl -------------------------
679 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
680 linux/version.h asm/types.h \
683 ac_stdatomic_ok=false
684 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
685 AC_CHECK_HEADER([stdatomic.h],[
687 AC_MSG_CHECKING([whether _Atomic qualifier works])
688 AC_LINK_IFELSE([AC_LANG_SOURCE([[
689 #include <stdatomic.h>
690 int main(int argc, char **argv) {
695 AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
703 AS_IF([$ac_stdatomic_ok], [true], [
704 AC_MSG_CHECKING([for __atomic_* builtins])
705 AC_LINK_IFELSE([AC_LANG_SOURCE([[
706 int main(int argc, char **argv) {
708 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
709 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
712 AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
717 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
718 AC_MSG_CHECKING([for __sync_* builtins])
719 AC_LINK_IFELSE([AC_LANG_SOURCE([[
720 int main(int argc, char **argv) {
722 __sync_fetch_and_sub (&i, 1);
723 return __sync_val_compare_and_swap (&i, 0, 1);
726 AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
729 AC_MSG_CHECKING([for __sync_swap builtin])
730 AC_LINK_IFELSE([AC_LANG_SOURCE([[
731 int main(int argc, char **argv) {
733 return __sync_swap (&i, 2);
736 AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
744 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
749 dnl Utility macro to avoid retyping includes all the time
750 m4_define([FRR_INCLUDES],
753 #define __EXTENSIONS__
758 #include <sys/types.h>
759 /* sys/conf.h depends on param.h on FBSD at least */
760 #include <sys/param.h>
761 /* Required for MAXSIG */
763 #include <sys/socket.h>
765 # define __APPLE_USE_RFC_3542
767 #include <netinet/in.h>
768 #include <sys/time.h>
773 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
774 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
775 dnl an additional round for it.
777 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
779 m4_define([FRR_INCLUDES],
781 [#if HAVE_NET_IF_VAR_H
782 # include <net/if_var.h>
786 AC_CHECK_HEADERS([netinet/in_var.h \
787 net/if_dl.h net/netopt.h \
788 inet/nd.h netinet/ip_icmp.h \
789 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
790 [], [], FRR_INCLUDES)
792 AC_CHECK_HEADERS([ucontext.h], [], [],
795 #endif /* __USE_GNU */
799 m4_define([UCONTEXT_INCLUDES],
800 [#include <ucontext.h>])dnl
802 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
803 [], [], [UCONTEXT_INCLUDES])
804 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
805 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
806 [], [], [UCONTEXT_INCLUDES])],
807 [], [UCONTEXT_INCLUDES])
808 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
809 [], [], [UCONTEXT_INCLUDES])
811 m4_define([FRR_INCLUDES],
815 #include <netinet/in_systm.h>
816 #if HAVE_NETINET_IN_VAR_H
817 # include <netinet/in_var.h>
820 # include <net/if_dl.h>
822 #if HAVE_NET_NETOPT_H
823 # include <net/netopt.h>
825 #include <net/route.h>
827 # include <inet/nd.h>
829 #include <arpa/inet.h>
830 /* Required for IDRP */
831 #if HAVE_NETINET_IP_ICMP_H
832 # include <netinet/ip_icmp.h>
836 dnl V6 headers are checked below, after we check for v6
838 AC_MSG_CHECKING([which operating system interface to use])
841 AC_MSG_RESULT([Solaris])
843 AC_DEFINE(SUNOS_5, 1, [SunOS 5])
844 AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
846 AC_CHECK_LIB(socket, main)
847 AC_CHECK_LIB(nsl, main)
848 AC_CHECK_LIB(umem, main)
849 AC_CHECK_FUNCS([printstack], [
850 AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
851 AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
857 AC_MSG_RESULT([Linux])
859 AC_DEFINE(GNU_LINUX,,GNU Linux)
860 AC_DEFINE(HAVE_NETLINK,,netlink)
861 AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
863 dnl Linux has a compilation problem with mixing
864 dnl netinet/in.h and linux/in6.h they are not
865 dnl compatible. There has been discussion on
866 dnl how to fix it but no real progress on implementation
867 dnl when they fix it, remove this
868 AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
870 AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
873 AC_MSG_RESULT([OpenBSD])
875 AC_DEFINE(OPEN_BSD,,OpenBSD)
876 AC_DEFINE(KAME,1,KAME IPv6)
878 if test "x${enable_pimd}" != "xno"; then
883 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
891 AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
892 AC_DEFINE(KAME,1,KAME IPv6)
895 AM_CONDITIONAL(SOLARIS, test "${SOLARIS}" = "solaris")
899 dnl ---------------------
900 dnl Integrated VTY option
901 dnl ---------------------
902 case "${enable_vtysh}" in
905 AC_DEFINE(VTYSH,,VTY shell)
906 dnl Vtysh uses libreadline, which looks for termcap functions at
907 dnl configure time. We follow readlines search order.
908 dnl The required procedures are in libtermcap on NetBSD, in
909 dnl [TODO] on Linux, and in [TODO] on Solaris.
910 AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
911 [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
912 [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
913 [AC_CHECK_LIB(ncurses, tputs,
914 LIBREADLINE="$LIBREADLINE -lncurses")]
918 AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
920 if test $ac_cv_lib_readline_main = no; then
921 AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
923 AC_CHECK_HEADER(readline/history.h)
924 if test $ac_cv_header_readline_history_h = no;then
925 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
927 AC_CHECK_LIB(readline, rl_completion_matches,
928 LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
929 if test $ac_cv_lib_readline_rl_completion_matches = no; then
930 AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
934 AC_SUBST(LIBREADLINE)
935 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
940 dnl FRR detects the PAM library it is built against by checking for a
941 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
942 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
943 dnl openpam.h doesn't do that, although depends on the header too. Hence a
944 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
947 if test "$with_libpam" = "yes"; then
948 AC_CHECK_HEADER([security/pam_misc.h],
949 [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
950 AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
951 pam_conv_func="misc_conv"
954 AC_CHECK_HEADER([security/openpam.h],
955 [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
956 AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
957 pam_conv_func="openpam_ttyconv"
959 [], FRR_INCLUDES[#include <security/pam_appl.h>])
960 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
961 AC_MSG_WARN([*** pam support will not be built ***])
966 if test "$with_libpam" = "yes"; then
967 dnl took this test from proftpds configure.in and suited to our needs
968 dnl -------------------------------------------------------------------------
970 dnl This next check looks funky due to a linker problem with some versions
971 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
972 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
973 dnl with RedHat 6.2 and Debian 2.2 or better.
974 AC_CHECK_LIB(pam, pam_start,
975 [AC_CHECK_LIB(pam, $pam_conv_func,
976 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
978 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
979 LIBPAM="-lpam -lpam_misc"]
983 [AC_CHECK_LIB(pam, pam_end,
984 [AC_CHECK_LIB(pam, $pam_conv_func,
985 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
986 LIBPAM="-lpam -ldl"],
987 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
988 LIBPAM="-lpam -ldl -lpam_misc"]
990 ],AC_MSG_WARN([*** pam support will not be built ***]),
997 dnl -------------------------------
998 dnl Endian-ness check
999 dnl -------------------------------
1002 dnl -------------------------------
1003 dnl check the size in byte of the C
1004 dnl -------------------------------
1005 dnl AC_CHECK_SIZEOF(char)
1006 dnl AC_CHECK_SIZEOF(int)
1007 dnl AC_CHECK_SIZEOF(short)
1008 dnl AC_CHECK_SIZEOF(long)
1010 dnl ----------------------------
1011 dnl check existance of functions
1012 dnl ----------------------------
1018 dnl -------------------------------
1019 dnl bgpd needs pow() and hence libm
1020 dnl -------------------------------
1022 AC_CHECK_HEADER([math.h],
1023 [AC_CHECK_LIB([m], [pow],
1026 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1029 if test x"$LIBM" = x ; then
1030 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1035 AC_CHECK_FUNCS([ppoll], [
1036 AC_DEFINE([HAVE_PPOLL], 1, [have Linux/BSD ppoll()])
1038 AC_CHECK_FUNCS([pollts], [
1039 AC_DEFINE([HAVE_POLLTS], 1, [have NetBSD pollts()])
1049 AC_CHECK_HEADER([asm-generic/unistd.h],
1050 [AC_CHECK_DECL(__NR_setns,
1051 AC_DEFINE(HAVE_NETNS,, Have netns),,
1052 FRR_INCLUDES [#include <asm-generic/unistd.h>
1054 AC_CHECK_FUNCS(setns)]
1057 dnl --------------------------
1058 dnl Determine IS-IS I/O method
1059 dnl --------------------------
1060 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
1061 AC_DEFINE(ISIS_METHOD_DLPI, 2, [ constant value for isis method dlpi ])
1062 AC_DEFINE(ISIS_METHOD_BPF, 3, [ constant value for isis method bpf ])
1063 AC_CHECK_HEADER(net/bpf.h)
1064 AC_CHECK_HEADER(sys/dlpi.h)
1065 AC_MSG_CHECKING(zebra IS-IS I/O method)
1069 AC_MSG_RESULT(pfpacket)
1070 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1074 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1077 if test $ac_cv_header_net_bpf_h = no; then
1078 if test $ac_cv_header_sys_dlpi_h = no; then
1080 if test "${enable_isisd}" = yes; then
1081 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1083 AC_MSG_WARN([*** IS-IS support will not be built ***])
1088 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1091 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1095 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
1097 dnl ------------------------------------
1098 dnl check for broken CMSG_FIRSTHDR macro
1099 dnl ------------------------------------
1100 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
1101 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1104 #define __EXTENSIONS__
1107 #include <sys/types.h>
1108 #include <sys/socket.h>
1115 msg.msg_control = buf;
1116 msg.msg_controllen = 0;
1118 if (CMSG_FIRSTHDR(&msg) != NULL)
1121 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1122 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1124 dnl ---------------------------------------------------------------
1125 dnl figure out how to specify an interface in multicast sockets API
1126 dnl ---------------------------------------------------------------
1127 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1129 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1130 #include <sys/socket.h>
1131 #include <netinet/in.h>
1132 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1133 #include <linux/types.h>
1136 m4_define([FRR_INCLUDES],
1138 [#if HAVE_LINUX_MROUTE_H
1139 # include <linux/mroute.h>
1143 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1144 #include <sys/socket.h>
1145 #include <sys/types.h>
1146 #include <netinet/in.h>
1147 #include <net/route.h>
1150 m4_define([FRR_INCLUDES],
1152 [#if HAVE_NETINET_IP_MROUTE_H
1153 # include <netinet/ip_mroute.h>
1157 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1158 AC_TRY_COMPILE([#include <sys/param.h>],
1159 [#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)
1162 #error No support for BSD struct ip_mreq hack detected
1163 #endif],[AC_MSG_RESULT(yes)
1164 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1167 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1169 #include <sys/types.h>
1170 #include <netinet/in.h>
1171 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1172 ], [AC_MSG_RESULT(yes)
1173 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1176 dnl ---------------------------------------------------------------
1177 dnl figure out how to check link-state
1178 dnl ---------------------------------------------------------------
1179 AC_CHECK_HEADER( [net/if_media.h],
1180 [m4_define([LINK_DETECT_INCLUDES],
1182 [#include <net/if_media.h>
1184 AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1185 AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1186 [], LINK_DETECT_INCLUDES)],
1190 dnl ---------------------------------------------------------------
1191 dnl Additional, newer way to check link-state using ifi_link_state.
1192 dnl Not available in all BSD's when ifmediareq available
1193 dnl ---------------------------------------------------------------
1194 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1195 AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1198 dnl ------------------------
1199 dnl TCP_MD5SIG socket option
1200 dnl ------------------------
1202 AC_CHECK_HEADER([netinet/tcp.h],
1203 [m4_define([MD5_INCLUDES],
1205 [#include <netinet/tcp.h>
1207 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1210 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1211 AC_CHECK_HEADER([linux/tcp.h],
1212 [m4_define([MD5_INCLUDES],
1214 [#include <linux/tcp.h>
1216 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1219 dnl ----------------------------------------------------------------------------
1220 dnl figure out if domainname is available in the utsname struct (GNU extension).
1221 dnl ----------------------------------------------------------------------------
1222 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1224 dnl ------------------
1225 dnl IPv6 header checks
1226 dnl ------------------
1227 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1228 netinet6/in6_var.h netinet6/nd6.h], [], [],
1231 m4_define([FRR_INCLUDES],dnl
1233 [#if HAVE_NETINET6_IN6_H
1234 #include <netinet6/in6.h>
1236 #if HAVE_NETINET_IN6_VAR_H
1237 #include <netinet/in6_var.h>
1239 #include <netinet/icmp6.h>
1240 #if HAVE_NETINET6_IN6_VAR_H
1241 # include <netinet6/in6_var.h>
1243 #if HAVE_NETINET6_ND6_H
1244 # include <netinet6/nd6.h>
1248 dnl disable doc check
1249 if test "${enable_doc}" = "no";then
1255 dnl --------------------
1256 dnl Daemon disable check
1257 dnl --------------------
1258 AM_CONDITIONAL(ZEBRA, test "${enable_zebra}" != "no")
1260 if test "${enable_bgpd}" = "no";then
1265 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1267 AM_CONDITIONAL(RIPD, test "${enable_ripd}" != "no")
1268 AM_CONDITIONAL(OSPFD, test "${enable_ospfd}" != "no")
1269 AM_CONDITIONAL(LDPD, test "${enable_ldpd}" != "no")
1271 AS_IF([test "${enable_ldpd}" != "no"], [
1272 AC_DEFINE(HAVE_LDPD, 1, ldpd)
1278 if test "${enable_nhrpd}" != "no"; then
1283 if test "${enable_nhrpd}" = "yes"; then
1284 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1288 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1290 AM_CONDITIONAL(EIGRPD, test "${enable_eigrpd}" != "no")
1292 if test "${enable_watchfrr}" = "no";then
1297 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1300 if test "${enable_ospfapi}" != "no";then
1301 AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1303 if test "${enable_ospfclient}" != "no";then
1304 OSPFCLIENT="ospfclient"
1308 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1309 AM_CONDITIONAL(RIPNGD, test "${enable_ripngd}" != "no")
1310 AM_CONDITIONAL(BABELD, test "${enable_babeld}" != "no")
1311 AM_CONDITIONAL(OSPF6D, test "${enable_ospf6d}" != "no")
1312 AM_CONDITIONAL(ISISD, test "${enable_isisd}" != "no")
1313 AM_CONDITIONAL(PIMD, test "${enable_pimd}" != "no")
1315 if test "${enable_bgp_announce}" = "no";then
1316 AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1318 AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1321 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1322 with_rfp_path="bgpd/rfp-example"
1324 if test "${with_rfp_path}" != "no"; then
1325 VNC_RFP_PATH="${with_rfp_path}"
1326 AC_SUBST(VNC_RFP_PATH)
1329 if test "${enable_bgp_vnc}" != "no";then
1330 AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1331 RFPTEST="${with_rfp_path}/rfptest"
1332 LIBRFP="${with_rfp_path}/librfp"
1333 RFPINC="${with_rfp_path}/librfp"
1337 RFPINC="bgpd/rfp-example/librfp"
1340 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1350 AC_CHECK_LIB(crypt, crypt, [],
1351 [AC_CHECK_LIB(crypto, DES_crypt)])
1352 AC_CHECK_LIB(resolv, res_init)
1354 dnl ---------------------------
1355 dnl check system has PCRE regexp
1356 dnl ---------------------------
1357 if test "x$enable_pcreposix" = "xyes"; then
1358 AC_CHECK_LIB(pcreposix, regexec, [], [
1359 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1362 AC_SUBST(HAVE_LIBPCREPOSIX)
1364 dnl ------------------
1365 dnl check C-Ares library
1366 dnl ------------------
1367 if test "${NHRPD}" != ""; then
1368 PKG_CHECK_MODULES([CARES], [libcares], , [
1369 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1374 dnl ------------------
1375 dnl check Net-SNMP library
1376 dnl ------------------
1377 if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1378 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1379 if test x"$NETSNMP_CONFIG" = x"no"; then
1380 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1382 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1383 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1384 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1385 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1393 AC_MSG_ERROR([--enable-snmp given but not usable])])
1394 case "${enable_snmp}" in
1399 SNMP_METHOD="${enable_snmp}"
1402 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1405 AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1406 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1407 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1409 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1411 AC_SUBST(SNMP_CFLAGS)
1416 AC_SEARCH_LIBS([sqrt], [m])
1421 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1422 AC_MSG_ERROR([unable to find the dlopen()])
1425 AC_CHECK_HEADERS([link.h])
1427 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1428 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1436 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1439 AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1444 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1445 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1452 struct link_map *lm = NULL;
1453 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1456 AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1462 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1464 dnl ---------------------------
1465 dnl sockaddr and netinet checks
1466 dnl ---------------------------
1469 struct vifctl, struct mfcctl, struct sioc_sg_req,
1470 vifi_t, struct sioc_vif_req, struct igmpmsg,
1471 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1472 struct nd_opt_adv_interval, struct rt_addrinfo,
1473 struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1474 [], [], FRR_INCLUDES)
1476 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1477 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1478 struct sockaddr_dl.sdl_len,
1479 struct if6_aliasreq.ifra_lifetime,
1480 struct nd_opt_adv_interval.nd_opt_ai_type],
1481 [], [], FRR_INCLUDES)
1483 dnl ---------------------------
1484 dnl IRDP/pktinfo/icmphdr checks
1485 dnl ---------------------------
1487 AC_CHECK_TYPES([struct in_pktinfo], [
1488 AC_CHECK_TYPES([struct icmphdr], [
1497 case "${enable_irdp}" in
1499 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1506 AM_CONDITIONAL(IRDP, $IRDP)
1508 dnl -----------------------
1509 dnl checking for IP_PKTINFO
1510 dnl -----------------------
1511 AC_MSG_CHECKING(for IP_PKTINFO)
1512 AC_TRY_COMPILE([#include <netdb.h>], [
1513 int opt = IP_PKTINFO;
1516 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1521 dnl ---------------------------
1522 dnl checking for IP_RECVDSTADDR
1523 dnl ---------------------------
1524 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1525 AC_TRY_COMPILE([#include <netinet/in.h>], [
1526 int opt = IP_RECVDSTADDR;
1529 AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1534 dnl ----------------------
1535 dnl checking for IP_RECVIF
1536 dnl ----------------------
1537 AC_MSG_CHECKING(for IP_RECVIF)
1538 AC_TRY_COMPILE([#include <netinet/in.h>], [
1539 int opt = IP_RECVIF;
1542 AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1547 dnl ----------------------
1548 dnl checking for SO_BINDANY
1549 dnl ----------------------
1550 AC_MSG_CHECKING(for SO_BINDANY)
1551 AC_TRY_COMPILE([#include <sys/socket.h>], [
1552 int opt = SO_BINDANY;
1555 AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1560 dnl ----------------------
1561 dnl checking for IP_FREEBIND
1562 dnl ----------------------
1563 AC_MSG_CHECKING(for IP_FREEBIND)
1564 AC_TRY_COMPILE([#include <netinet/in.h>], [
1565 int opt = IP_FREEBIND;
1568 AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1573 dnl --------------------------------------
1574 dnl checking for be32dec existence or not
1575 dnl --------------------------------------
1576 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1577 [#include <sys/endian.h>])
1579 dnl --------------------------------------
1580 dnl checking for clock_time monotonic struct and call
1581 dnl --------------------------------------
1582 AC_CHECK_DECL(CLOCK_MONOTONIC,
1583 [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1584 AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1585 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1587 dnl --------------------------------------
1588 dnl checking for flex and bison
1589 dnl --------------------------------------
1592 AC_MSG_CHECKING(version of flex)
1593 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1594 frr_ac_flex_version="${frr_ac_flex_version##* }"
1595 AC_MSG_RESULT([$frr_ac_flex_version])
1596 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1597 LEX="$SHELL $missing_dir/missing flex"
1598 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1599 AC_MSG_WARN([using pregenerated flex output files])
1601 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1603 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1604 AC_SUBST([LEXLIB], [''])
1608 dnl thanks GNU bison for this b*llshit...
1609 AC_MSG_CHECKING(version of bison)
1610 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1611 frr_ac_bison_version="${frr_ac_bison_version##* }"
1612 frr_ac_bison_missing="false"
1613 case "x${frr_ac_bison_version}" in
1616 BISON_CLOSEBRACE='"'
1618 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1621 AC_MSG_RESULT([$frr_ac_bison_version])
1622 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1623 frr_ac_bison_missing="true"
1626 AC_MSG_RESULT([none])
1627 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1628 frr_ac_bison_missing="true"
1632 BISON_CLOSEBRACE='}'
1633 BISON_VERBOSE='-Dparse.error=verbose'
1634 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1637 AC_SUBST(BISON_OPENBRACE)
1638 AC_SUBST(BISON_CLOSEBRACE)
1639 AC_SUBST(BISON_VERBOSE)
1641 if $frr_ac_bison_missing; then
1642 YACC="$SHELL $missing_dir/missing bison -y"
1643 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1644 AC_MSG_WARN([using pregenerated bison output files])
1646 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1650 dnl -------------------
1651 dnl capabilities checks
1652 dnl -------------------
1653 if test "${enable_capabilities}" != "no"; then
1654 AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1655 AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1657 AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1658 frr_ac_keepcaps="yes"],
1661 if test x"${frr_ac_keepcaps}" = x"yes"; then
1662 AC_CHECK_HEADERS(sys/capability.h)
1664 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1665 AC_CHECK_LIB(cap, cap_init,
1666 [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1671 AC_CHECK_HEADERS(priv.h,
1672 [AC_MSG_CHECKING(Solaris style privileges are available)
1673 AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1675 AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1676 frr_ac_scaps="yes"],
1682 if test x"${frr_ac_scaps}" = x"yes" \
1683 -o x"${frr_ac_lcaps}" = x"yes"; then
1684 AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1689 dnl ---------------------------
1690 dnl check for glibc 'backtrace'
1691 dnl ---------------------------
1692 if test x"${enable_backtrace}" != x"no" ; then
1694 AC_CHECK_HEADER([execinfo.h], [
1695 AC_SEARCH_LIBS([backtrace], [execinfo], [
1696 AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1697 AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1702 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1703 dnl user explicitly requested backtrace but we failed to find support
1704 AC_MSG_FAILURE([failed to find backtrace support])
1708 dnl -----------------------------------------
1709 dnl check for malloc mallinfo struct and call
1710 dnl this must try and link using LIBS, in
1711 dnl order to check no alternative allocator
1712 dnl has been specified, which might not provide
1713 dnl mallinfo, e.g. such as Umem on Solaris.
1714 dnl -----------------------------------------
1715 AC_CHECK_HEADER([malloc.h],
1716 [AC_MSG_CHECKING(whether mallinfo is available)
1717 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1718 [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1720 AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1723 ], [], FRR_INCLUDES)
1728 if test "x$enable_zeromq" != "xno"; then
1729 PKG_CHECK_MODULES(ZEROMQ, [libzmq >= 4.0.0], [
1730 AC_DEFINE(HAVE_ZEROMQ, 1, [Enable ZeroMQ support])
1733 if test "x$enable_zeromq" = "xyes"; then
1734 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1738 AM_CONDITIONAL([ZEROMQ], test "x$ZEROMQ" = "xtrue")
1743 CONFDATE=`date '+%Y%m%d'`
1746 dnl ------------------------------
1747 dnl set paths for state directory
1748 dnl ------------------------------
1749 AC_MSG_CHECKING(directory to use for state file)
1750 if test "${prefix}" = "NONE"; then
1751 frr_statedir_prefix="";
1753 frr_statedir_prefix=${prefix}
1755 if test "${localstatedir}" = '${prefix}/var'; then
1756 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1757 ${frr_statedir_prefix}/var/adm dnl
1758 ${frr_statedir_prefix}/etc dnl
1764 test -d $FRR_STATE_DIR && break
1766 frr_statedir=$FRR_STATE_DIR
1768 frr_statedir=${localstatedir}
1770 if test $frr_statedir = "/dev/null"; then
1771 AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1773 AC_MSG_RESULT(${frr_statedir})
1774 AC_SUBST(frr_statedir)
1776 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1777 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1778 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1780 dnl autoconf does this, but it does it too late...
1781 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1782 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1784 dnl get the full path, recursing through variables...
1785 vtysh_bin="$bindir/vtysh"
1786 for I in 1 2 3 4 5 6 7 8 9 10; do
1787 eval vtysh_bin="\"$vtysh_bin\""
1789 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1791 CFG_SYSCONF="$sysconfdir"
1793 CFG_STATE="$frr_statedir"
1794 CFG_MODULE="$moduledir"
1795 for I in 1 2 3 4 5 6 7 8 9 10; do
1796 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1797 eval CFG_SBIN="\"$CFG_SBIN\""
1798 eval CFG_STATE="\"$CFG_STATE\""
1799 eval CFG_MODULE="\"$CFG_MODULE\""
1801 AC_SUBST(CFG_SYSCONF)
1804 AC_SUBST(CFG_MODULE)
1805 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1807 dnl ------------------------------------
1808 dnl Enable RPKI and add librtr to libs
1809 dnl ------------------------------------
1810 if test "${enable_rpki}" = "yes"; then
1811 PKG_CHECK_MODULES(RTRLIB,[rtrlib >= 0.5.0],
1812 [AC_DEFINE(HAVE_RPKI,1,Enable RPKI prefix validation for BGP)
1815 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1818 AM_CONDITIONAL([RPKI], test "x$RPKI" = "xtrue")
1820 dnl ------------------------------------------
1821 dnl Check whether rtrlib was build with ssh support
1822 dnl ------------------------------------------
1823 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1824 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1825 [[struct tr_ssh_config config;]])],
1827 AC_DEFINE(FOUND_SSH,,found_ssh)],
1831 dnl ---------------------------
1832 dnl Check htonl works correctly
1833 dnl ---------------------------
1834 AC_MSG_CHECKING(for working htonl)
1835 AC_CACHE_VAL(ac_cv_htonl_works,
1836 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1837 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1840 AC_MSG_RESULT($ac_cv_htonl_works)
1842 AC_CONFIG_FILES([Makefile
1845 doc/Makefile tests/Makefile
1846 bgpd/rfp-example/rfptest/Makefile bgpd/rfp-example/librfp/Makefile
1850 snapcraft/snapcraft.yaml
1852 tests/lib/cli/test_cli.refout
1870 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1871 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
1874 if test "${enable_bgp_vnc}" != "no"; then
1875 if test "${with_rfp_path}" != "bgpd/rfp-example" ; then
1876 AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1880 AC_CONFIG_FILES([solaris/Makefile])
1882 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1884 AC_CONFIG_COMMANDS([lib/route_types.h], [
1885 dst="${ac_abs_top_builddir}/lib/route_types.h"
1886 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
1887 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
1890 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
1891 && rm "${dst}.tmp" \
1892 || mv "${dst}.tmp" "${dst}"
1897 AS_IF([test "x$with_pkg_git_version" = "xyes"], [
1898 AC_CONFIG_COMMANDS([lib/gitversion.h], [
1899 dst="${ac_abs_top_builddir}/lib/gitversion.h"
1900 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
1901 "${ac_abs_top_srcdir}" \
1904 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
1905 && rm "${dst}.tmp" \
1906 || mv "${dst}.tmp" "${dst}"
1912 ## Hack, but working solution to avoid rebuilding of frr.info.
1913 ## It's already in CVS until texinfo 4.7 is more common.
1917 FRRouting configuration
1918 ------------------------------
1919 FRR version : ${PACKAGE_VERSION}
1920 host operating system : ${host_os}
1921 source code location : ${srcdir}
1923 compiler flags : ${CFLAGS}
1925 linker flags : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
1926 state file directory : ${frr_statedir}
1927 config file directory : `eval echo \`echo ${sysconfdir}\``
1928 example directory : `eval echo \`echo ${exampledir}\``
1929 module directory : ${CFG_MODULE}
1930 user to run as : ${enable_user}
1931 group to run as : ${enable_group}
1932 group for vty sockets : ${enable_vty_group}
1933 config file mask : ${enable_configfile_mask}
1934 log file mask : ${enable_logfile_mask}
1935 zebra protobuf enabled : ${have_protobuf:-no}
1937 The above user and group must have read/write access to the state file
1938 directory and to the config files in the config file directory."