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/"
12 PACKAGE_FULLNAME="FRRouting"
13 AC_SUBST(PACKAGE_FULLNAME)
15 CONFIG_ARGS="$ac_configure_args"
18 AC_CONFIG_SRCDIR(lib/zebra.h)
19 AC_CONFIG_MACRO_DIR([m4])
21 dnl -----------------------------------
22 dnl Get hostname and other information.
23 dnl -----------------------------------
27 AS_IF([test "$host" != "$build"], [
28 if test "$srcdir" = "."; then
29 AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir. create a separate directory and run as .../path-to-frr/configure.])
31 test -d hosttools || mkdir hosttools
32 abssrc="`cd \"${srcdir}\"; pwd`"
35 AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
36 AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
39 ( CPPFLAGS="$HOST_CPPFLAGS"; \
40 CFLAGS="$HOST_CFLAGS"; \
41 LDFLAGS="$HOST_LDFLAGS"; \
42 cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build"; )
45 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
49 CLIPPYDIR="hosttools/lib"
55 AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
57 # Disable portability warnings -- our automake code (in particular
58 # common.am) uses some constructs specific to gmake.
59 AM_INIT_AUTOMAKE([1.12 -Wno-portability])
60 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
61 AM_SILENT_RULES([yes])
62 AC_CONFIG_HEADERS(config.h)
64 AC_PATH_PROG(PERL, perl)
67 dnl default is to match previous behavior
68 exampledir=${sysconfdir}
69 AC_ARG_ENABLE([exampledir],
70 AS_HELP_STRING([--enable-exampledir],
71 [specify alternate directory for examples]),
72 exampledir="$enableval",)
73 dnl XXX add --exampledir to autoconf standard directory list somehow
76 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="$enableval"; pkgsrcdir="pkgsrc",)
83 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
87 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${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="$CC -std=gnu11"])
188 dnl if the user specified any CFLAGS, we don't add "-g -Os/-O2" here
189 if test "z$orig_cflags" = "z"; then
196 dnl always want these CFLAGS
197 AC_C_FLAG([-fno-omit-frame-pointer])
200 AC_C_FLAG([-Wmissing-prototypes])
201 AC_C_FLAG([-Wmissing-declarations])
202 AC_C_FLAG([-Wpointer-arith])
203 AC_C_FLAG([-Wbad-function-cast])
204 AC_C_FLAG([-Wwrite-strings])
205 if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
206 AC_C_FLAG([-Wcast-qual])
207 AC_C_FLAG([-Wstrict-prototypes])
208 AC_C_FLAG([-Wmissing-noreturn])
209 AC_C_FLAG([-Wmissing-format-attribute])
210 AC_C_FLAG([-Wunreachable-code])
211 AC_C_FLAG([-Wpacked])
212 AC_C_FLAG([-Wpadded])
214 AC_C_FLAG([-Wno-unused-result])
216 AC_C_FLAG([-Wno-unused-parameter])
217 AC_C_FLAG([-Wno-missing-field-initializers])
219 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
220 dnl for some reason the string consts get 'promoted' to char *,
221 dnl triggering a const to non-const conversion warning.
222 AC_C_FLAG([-diag-disable 3179])
224 if test x"${enable_werror}" = x"yes" ; then
229 dnl need link on this one, not compile
231 ac_ld_flag_save="$LDFLAGS"
232 LDFLAGS="$LDFLAGS -rdynamic"
233 AC_MSG_CHECKING([[whether linker supports -rdynamic]])
235 [AC_LANG_PROGRAM([[]])],
236 [AC_MSG_RESULT([yes])],
238 LDFLAGS="$ac_ld_flag_save"
249 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
250 LIBS="$PTHREAD_LIBS $LIBS"
252 AC_MSG_FAILURE([This FRR version needs pthreads])
261 AC_CHECK_TOOL(AR, ar)
263 dnl -----------------
264 dnl System extensions
265 dnl -----------------
273 dnl ----------------------
274 dnl Packages configuration
275 dnl ----------------------
276 AC_ARG_WITH(pkg-extra-version,
277 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
278 [EXTRAVERSION=$withval],)
279 AC_ARG_WITH(pkg-git-version,
280 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
281 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
282 AC_ARG_WITH(vtysh_pager,
283 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
284 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
286 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
288 AS_HELP_STRING([--disable-doc], [do not build docs]))
290 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
292 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
294 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
295 AC_ARG_ENABLE(ripngd,
296 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
298 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
299 AC_ARG_ENABLE(ospf6d,
300 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
302 AS_HELP_STRING([--enable-ldpd], [build ldpd]))
304 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
305 AC_ARG_ENABLE(eigrpd,
306 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
307 AC_ARG_ENABLE(babeld,
308 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
309 AC_ARG_ENABLE(watchfrr,
310 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
312 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
314 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
315 AC_ARG_ENABLE(bgp-announce,
316 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
317 AC_ARG_ENABLE(bgp-vnc,
318 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
319 AC_ARG_WITH(rfp-path,
320 AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
322 AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
324 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
325 AC_ARG_ENABLE(tcp-zebra,
326 AS_HELP_STRING([--enable-tcp-zebra], [enable TCP/IP socket connection between zebra and protocol daemon]))
327 AC_ARG_ENABLE(ospfapi,
328 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
329 AC_ARG_ENABLE(ospfclient,
330 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
331 (this is the default if --disable-ospfapi is set)]))
332 AC_ARG_ENABLE(multipath,
333 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
335 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
337 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
338 AC_ARG_ENABLE(vty_group,
339 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
340 AC_ARG_ENABLE(configfile_mask,
341 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
342 AC_ARG_ENABLE(logfile_mask,
343 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
344 AC_ARG_ENABLE(shell_access,
345 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
347 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
349 AS_HELP_STRING([--enable-irdp], [enable IRDP server support in zebra]))
350 AC_ARG_ENABLE(capabilities,
351 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
352 AC_ARG_ENABLE(rusage,
353 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
354 AC_ARG_ENABLE(gcc_ultra_verbose,
355 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
356 AC_ARG_ENABLE(linux24_tcp_md5,
357 AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
358 AC_ARG_ENABLE(backtrace,
359 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
360 AC_ARG_ENABLE(time-check,
361 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
362 AC_ARG_ENABLE(pcreposix,
363 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
365 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
366 AC_ARG_ENABLE(systemd,
367 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
368 AC_ARG_ENABLE(werror,
369 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
370 AC_ARG_ENABLE(cumulus,
371 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
372 AC_ARG_ENABLE(datacenter,
373 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
374 AC_ARG_ENABLE(rr-semantics,
375 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
376 AC_ARG_ENABLE([protobuf],
377 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
378 AC_ARG_ENABLE([oldvpn_commands],
379 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
381 AC_CHECK_HEADERS(json-c/json.h)
382 AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c")
383 if test $ac_cv_lib_json_c_json_object_get = no; then
384 AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
385 if test $ac_cv_lib_json_json_object_get = no; then
386 AC_MSG_ERROR([lib json is needed to compile])
390 AC_ARG_ENABLE([dev_build],
391 AS_HELP_STRING([--enable-dev-build], [build for development]))
393 if test x"${enable_time_check}" != x"no" ; then
394 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
395 AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
397 AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
401 case "${enable_systemd}" in
404 AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
405 if test $ac_cv_lib_systemd_sd_notify = no; then
406 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
408 AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
414 if test "${enable_rr_semantics}" != "no" ; then
415 AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
421 AC_MSG_CHECKING(whether this OS has MPLS stack)
424 MPLS_METHOD="zebra_mpls_netlink.o"
425 AC_MSG_RESULT(Linux MPLS)
428 MPLS_METHOD="zebra_mpls_openbsd.o"
429 AC_MSG_RESULT(OpenBSD MPLS)
432 MPLS_METHOD="zebra_mpls_null.o"
433 AC_MSG_RESULT(Unsupported kernel)
436 AC_SUBST(MPLS_METHOD)
438 if test "${enable_datacenter}" = "yes" ; then
439 AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
440 DFLT_NAME="datacenter"
442 DFLT_NAME="traditional"
445 if test "${enable_cumulus}" = "yes" ; then
446 AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
450 AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
452 if test "${enable_shell_access}" = "yes"; then
453 AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
456 AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
458 if test "x${enable_dev_build}" = "xyes"; then
459 AC_DEFINE(DEV_BUILD,,Build for development)
461 AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
466 AS_IF([test "$host" = "$build"], [
470 # 1. try python3, but respect the user's preference on which minor ver
471 # 2. try python, which might be py3 or py2 again on the user's preference
472 # 3. try python2 (can really only be 2.7 but eh)
473 # 4. try 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
475 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
476 # (AX_PYTHON does not do what we need)
478 AC_CHECK_TOOLS([PYTHONCONFIG], [python3-config python-config python2-config])
479 if test -n "$PYTHONCONFIG"; then
480 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
481 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --libs`"
483 AC_MSG_CHECKING([whether we found a working Python version])
484 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
486 #if PY_VERSION_HEX < 0x02070000
487 #error python too old
503 if test -z "$PYTHONCONFIG"; then
504 PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
505 PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
506 PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
507 PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
508 PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
509 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
513 AC_MSG_CHECKING([whether we found a working Python version])
514 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
516 #if PY_VERSION_HEX < 0x02070000
517 #error python too old
527 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
531 AC_SUBST(PYTHON_CFLAGS)
532 AC_SUBST(PYTHON_LIBS)
535 # Logic for protobuf support.
537 if test "$enable_protobuf" = "yes"; then
541 AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
542 if test "x$PROTOC_C" = "x/bin/false"; then
546 PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
547 [found_protobuf_c=yes],
548 [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
550 if test "x$found_protobuf_c" = "xyes"; then
551 LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
552 CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
554 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
555 [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
561 # Logic for old vpn commans support.
563 if test "$enable_oldvpn_commands" = "yes"; then
564 AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
567 # Fail if the user explicity enabled protobuf support and we couldn't
568 # find the compiler or libraries.
569 if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
570 AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
573 if test "x$have_protobuf" = "xyes"; then
574 AC_DEFINE(HAVE_PROTOBUF,, protobuf)
577 AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
580 # End of logic for protobuf support.
583 if test "${enable_tcp_zebra}" = "yes"; then
584 AC_DEFINE(HAVE_TCP_ZEBRA,,Use TCP for zebra communication)
587 if test "${enable_linux24_tcp_md5}" = "yes"; then
588 AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
591 AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
592 if test "${enable_rtadv}" != "no"; then
594 AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
599 if test "${enable_irdp}" = "yes"; then
600 AC_DEFINE(HAVE_IRDP,, IRDP )
603 if test x"${enable_user}" = x"no"; then
606 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
609 AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
612 if test x"${enable_group}" = x"no"; then
615 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
618 AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
621 if test x"${enable_vty_group}" = x"yes" ; then
622 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
623 elif test x"${enable_vty_group}" != x""; then
624 if test x"${enable_vty_group}" != x"no"; then
625 AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
628 AC_SUBST([enable_user])
629 AC_SUBST([enable_group])
630 AC_SUBST([enable_vty_group])
632 enable_configfile_mask=${enable_configfile_mask:-0600}
633 AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
635 enable_logfile_mask=${enable_logfile_mask:-0600}
636 AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
640 case "${enable_multipath}" in
644 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
645 MPATH_NUM="${enable_multipath}"
650 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
654 AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
656 AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
658 dnl -----------------------------------
659 dnl Add extra version string to package
660 dnl name, string and version fields.
661 dnl -----------------------------------
662 if test "x${EXTRAVERSION}" != "x" ; then
663 VERSION="${VERSION}${EXTRAVERSION}"
664 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
665 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
666 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
669 if test "x$with_pkg_git_version" = "xyes"; then
670 if test -d "${srcdir}/.git"; then
671 AC_DEFINE(GIT_VERSION, [1], [include git version info])
672 else with_pkg_git_version="no"
673 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
676 AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
678 dnl ------------------------------------
679 dnl Check C keywords and standard types
680 dnl ------------------------------------
691 dnl -------------------------
692 dnl Check other header files.
693 dnl -------------------------
694 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
695 linux/version.h asm/types.h \
698 ac_stdatomic_ok=false
699 AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
700 AC_CHECK_HEADER([stdatomic.h],[
702 AC_MSG_CHECKING([whether _Atomic qualifier works])
703 AC_LINK_IFELSE([AC_LANG_SOURCE([[
704 #include <stdatomic.h>
705 int main(int argc, char **argv) {
710 AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
718 AS_IF([$ac_stdatomic_ok], [true], [
719 AC_MSG_CHECKING([for __atomic_* builtins])
720 AC_LINK_IFELSE([AC_LANG_SOURCE([[
721 int main(int argc, char **argv) {
723 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
724 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
727 AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
732 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
733 AC_MSG_CHECKING([for __sync_* builtins])
734 AC_LINK_IFELSE([AC_LANG_SOURCE([[
735 int main(int argc, char **argv) {
737 __sync_fetch_and_sub (&i, 1);
738 return __sync_val_compare_and_swap (&i, 0, 1);
741 AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
744 AC_MSG_CHECKING([for __sync_swap builtin])
745 AC_LINK_IFELSE([AC_LANG_SOURCE([[
746 int main(int argc, char **argv) {
748 return __sync_swap (&i, 2);
751 AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
759 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
764 dnl Utility macro to avoid retyping includes all the time
765 m4_define([FRR_INCLUDES],
768 #define __EXTENSIONS__
773 #include <sys/types.h>
774 /* sys/conf.h depends on param.h on FBSD at least */
775 #include <sys/param.h>
776 /* Required for MAXSIG */
778 #include <sys/socket.h>
780 # define __APPLE_USE_RFC_3542
782 #include <netinet/in.h>
783 #include <sys/time.h>
788 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
789 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
790 dnl an additional round for it.
792 AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
794 m4_define([FRR_INCLUDES],
796 [#if HAVE_NET_IF_VAR_H
797 # include <net/if_var.h>
801 AC_CHECK_HEADERS([netinet/in_var.h \
802 net/if_dl.h net/netopt.h \
803 inet/nd.h netinet/ip_icmp.h \
804 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
805 [], [], FRR_INCLUDES)
807 AC_CHECK_HEADERS([ucontext.h], [], [],
810 #endif /* __USE_GNU */
814 m4_define([UCONTEXT_INCLUDES],
815 [#include <ucontext.h>])dnl
817 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
818 [], [], [UCONTEXT_INCLUDES])
819 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
820 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
821 [], [], [UCONTEXT_INCLUDES])],
822 [], [UCONTEXT_INCLUDES])
823 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
824 [], [], [UCONTEXT_INCLUDES])
826 m4_define([FRR_INCLUDES],
830 #include <netinet/in_systm.h>
831 #if HAVE_NETINET_IN_VAR_H
832 # include <netinet/in_var.h>
835 # include <net/if_dl.h>
837 #if HAVE_NET_NETOPT_H
838 # include <net/netopt.h>
840 #include <net/route.h>
842 # include <inet/nd.h>
844 #include <arpa/inet.h>
845 /* Required for IDRP */
846 #if HAVE_NETINET_IP_ICMP_H
847 # include <netinet/ip_icmp.h>
851 dnl V6 headers are checked below, after we check for v6
853 dnl Some systems (Solaris 2.x) require libnsl (Network Services Library)
855 [*-sunos5.[6-7]*] | [*-solaris2.[6-7]*])
857 AC_DEFINE(SUNOS_56, 1, SunOS 5.6 to 5.7)
858 AC_DEFINE(SUNOS_5, 1, SunOS 5)
859 AC_CHECK_LIB(xnet, main)
864 | [*-sunos5.1[0-9]] \
865 | [*-sunos5.1[0-9].[0-9]] \
866 | [*-solaris2.[8-9]] \
867 | [*-solaris2.1[0-9]] \
868 | [*-solaris2.1[0-9].[0-9]])
870 AC_DEFINE(SUNOS_59, 1, [SunOS 5.8 up])
871 AC_DEFINE(SUNOS_5, 1, [SunOS 5])
872 AC_CHECK_LIB(socket, main)
873 AC_CHECK_LIB(nsl, main)
874 AC_CHECK_LIB(umem, main)
875 AC_CHECK_FUNCS([printstack],
876 [AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
877 AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
882 *-sunos5* | *-solaris2*)
883 AC_DEFINE(SUNOS_5,,SunOS 5, Unknown SunOS)
884 AC_CHECK_LIB(socket, main)
885 AC_CHECK_LIB(nsl, main)
891 AC_DEFINE(GNU_LINUX,,GNU Linux)
895 AC_DEFINE(OPEN_BSD,,OpenBSD)
901 dnl ---------------------
902 dnl Integrated VTY option
903 dnl ---------------------
904 case "${enable_vtysh}" in
907 AC_DEFINE(VTYSH,,VTY shell)
908 dnl Vtysh uses libreadline, which looks for termcap functions at
909 dnl configure time. We follow readlines search order.
910 dnl The required procedures are in libtermcap on NetBSD, in
911 dnl [TODO] on Linux, and in [TODO] on Solaris.
912 AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
913 [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
914 [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
915 [AC_CHECK_LIB(ncurses, tputs,
916 LIBREADLINE="$LIBREADLINE -lncurses")]
920 AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
922 if test $ac_cv_lib_readline_main = no; then
923 AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
925 AC_CHECK_HEADER(readline/history.h)
926 if test $ac_cv_header_readline_history_h = no;then
927 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
929 AC_CHECK_LIB(readline, rl_completion_matches,
930 LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
931 if test $ac_cv_lib_readline_rl_completion_matches = no; then
932 AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
936 AC_SUBST(LIBREADLINE)
937 AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
942 dnl FRR detects the PAM library it is built against by checking for a
943 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
944 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
945 dnl openpam.h doesn't do that, although depends on the header too. Hence a
946 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
949 if test "$with_libpam" = "yes"; then
950 AC_CHECK_HEADER([security/pam_misc.h],
951 [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
952 AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
953 pam_conv_func="misc_conv"
956 AC_CHECK_HEADER([security/openpam.h],
957 [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
958 AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
959 pam_conv_func="openpam_ttyconv"
961 [], FRR_INCLUDES[#include <security/pam_appl.h>])
962 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
963 AC_MSG_WARN([*** pam support will not be built ***])
968 if test "$with_libpam" = "yes"; then
969 dnl took this test from proftpds configure.in and suited to our needs
970 dnl -------------------------------------------------------------------------
972 dnl This next check looks funky due to a linker problem with some versions
973 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
974 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
975 dnl with RedHat 6.2 and Debian 2.2 or better.
976 AC_CHECK_LIB(pam, pam_start,
977 [AC_CHECK_LIB(pam, $pam_conv_func,
978 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
980 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
981 LIBPAM="-lpam -lpam_misc"]
985 [AC_CHECK_LIB(pam, pam_end,
986 [AC_CHECK_LIB(pam, $pam_conv_func,
987 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
988 LIBPAM="-lpam -ldl"],
989 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
990 LIBPAM="-lpam -ldl -lpam_misc"]
992 ],AC_MSG_WARN([*** pam support will not be built ***]),
999 dnl -------------------------------
1000 dnl Endian-ness check
1001 dnl -------------------------------
1004 dnl -------------------------------
1005 dnl check the size in byte of the C
1006 dnl -------------------------------
1007 dnl AC_CHECK_SIZEOF(char)
1008 dnl AC_CHECK_SIZEOF(int)
1009 dnl AC_CHECK_SIZEOF(short)
1010 dnl AC_CHECK_SIZEOF(long)
1012 dnl ----------------------------
1013 dnl check existance of functions
1014 dnl ----------------------------
1020 dnl -------------------------------
1021 dnl bgpd needs pow() and hence libm
1022 dnl -------------------------------
1024 AC_CHECK_HEADER([math.h],
1025 [AC_CHECK_LIB([m], [pow],
1028 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1031 if test x"$LIBM" = x ; then
1032 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1044 AC_CHECK_HEADER([asm-generic/unistd.h],
1045 [AC_CHECK_DECL(__NR_setns,
1046 AC_DEFINE(HAVE_NETNS,, Have netns),,
1047 FRR_INCLUDES [#include <asm-generic/unistd.h>
1049 AC_CHECK_FUNCS(setns)]
1052 dnl ------------------------------------
1053 dnl Determine routing get and set method
1054 dnl ------------------------------------
1055 AC_MSG_CHECKING(zebra between kernel interface method)
1056 if test x"$opsys" = x"gnu-linux"; then
1057 AC_MSG_RESULT(netlink)
1058 RT_METHOD=rt_netlink.o
1059 KERNEL_METHOD=kernel_netlink.o
1060 AC_DEFINE(HAVE_NETLINK,,netlink)
1062 AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
1064 AC_MSG_RESULT(Route socket)
1065 KERNEL_METHOD="kernel_socket.o"
1066 RT_METHOD="rt_socket.o"
1069 AC_SUBST(KERNEL_METHOD)
1070 AM_CONDITIONAL([HAVE_NETLINK], [test "x$netlink" = "xyes"])
1072 dnl --------------------------
1073 dnl Determine IS-IS I/O method
1074 dnl --------------------------
1075 AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
1076 AC_DEFINE(ISIS_METHOD_DLPI, 2, [ constant value for isis method dlpi ])
1077 AC_DEFINE(ISIS_METHOD_BPF, 3, [ constant value for isis method bpf ])
1078 AC_CHECK_HEADER(net/bpf.h)
1079 AC_CHECK_HEADER(sys/dlpi.h)
1080 AC_MSG_CHECKING(zebra IS-IS I/O method)
1081 if test x"$opsys" = x"gnu-linux"; then
1082 AC_MSG_RESULT(pfpacket)
1083 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1084 elif test x"$opsys" = x"sol2-6" -o x"$opsys" = x"sol8"; then
1086 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1088 if test $ac_cv_header_net_bpf_h = no; then
1089 if test $ac_cv_header_sys_dlpi_h = no; then
1091 AC_MSG_WARN([*** IS-IS support will not be built ***])
1096 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1099 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1102 AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
1104 dnl ------------------------------------
1105 dnl check for broken CMSG_FIRSTHDR macro
1106 dnl ------------------------------------
1107 AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
1108 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1111 #define __EXTENSIONS__
1114 #include <sys/types.h>
1115 #include <sys/socket.h>
1122 msg.msg_control = buf;
1123 msg.msg_controllen = 0;
1125 if (CMSG_FIRSTHDR(&msg) != NULL)
1128 }]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1129 [AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1131 dnl ------------------------------
1132 dnl check kernel route read method
1133 dnl ------------------------------
1134 AC_CACHE_CHECK([route read method], [frr_cv_rtread_method],
1135 [if test "x$netlink" = xyes; then
1136 frr_cv_rtread_method="netlink"
1138 for frr_cv_rtread_method in /dev/ip /dev/null;
1140 test x`ls $frr_cv_rtread_method 2>/dev/null` = x"$frr_cv_rtread_method" && break
1142 case $frr_cv_rtread_method in
1145 *-freebsd*) frr_cv_rtread_method="sysctl";;
1146 *) frr_cv_rtread_method="getmsg";;
1149 frr_cv_rtread_method="sysctl";;
1152 RTREAD_METHOD=rtread_${frr_cv_rtread_method}.o
1153 AC_SUBST(RTREAD_METHOD)
1155 dnl -----------------------------
1156 dnl check interface lookup method
1157 dnl -----------------------------
1158 IOCTL_METHOD=ioctl.o
1159 AC_MSG_CHECKING(interface looking up method)
1160 if test "$netlink" = yes; then
1161 AC_MSG_RESULT(netlink)
1162 IF_METHOD=if_netlink.o
1163 elif test "$opsys" = "sol2-6";then
1164 AC_MSG_RESULT(Solaris GIF)
1165 IF_METHOD=if_ioctl.o
1166 elif test "$opsys" = "sol8";then
1167 AC_MSG_RESULT(Solaris GLIF)
1168 IF_METHOD=if_ioctl_solaris.o
1169 IOCTL_METHOD=ioctl_solaris.o
1170 elif test "$opsys" = "openbsd";then
1171 AC_MSG_RESULT(openbsd)
1172 IF_METHOD=if_ioctl.o
1173 elif grep NET_RT_IFLIST /usr/include/sys/socket.h >/dev/null 2>&1; then
1174 AC_MSG_RESULT(sysctl)
1175 IF_METHOD=if_sysctl.o
1176 AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
1178 AC_MSG_RESULT(ioctl)
1179 IF_METHOD=if_ioctl.o
1182 AC_SUBST(IOCTL_METHOD)
1184 dnl ---------------------------------------------------------------
1185 dnl figure out how to specify an interface in multicast sockets API
1186 dnl ---------------------------------------------------------------
1187 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1189 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1190 #include <sys/socket.h>
1191 #include <netinet/in.h>
1192 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1193 #include <linux/types.h>
1196 m4_define([FRR_INCLUDES],
1198 [#if HAVE_LINUX_MROUTE_H
1199 # include <linux/mroute.h>
1203 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1204 #include <sys/socket.h>
1205 #include <sys/types.h>
1206 #include <netinet/in.h>
1207 #include <net/route.h>
1210 m4_define([FRR_INCLUDES],
1212 [#if HAVE_NETINET_IP_MROUTE_H
1213 # include <netinet/ip_mroute.h>
1217 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1218 AC_TRY_COMPILE([#include <sys/param.h>],
1219 [#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)
1222 #error No support for BSD struct ip_mreq hack detected
1223 #endif],[AC_MSG_RESULT(yes)
1224 AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1227 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1229 #include <sys/types.h>
1230 #include <netinet/in.h>
1231 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1232 ], [AC_MSG_RESULT(yes)
1233 AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1236 dnl ---------------------------------------------------------------
1237 dnl figure out how to check link-state
1238 dnl ---------------------------------------------------------------
1239 AC_CHECK_HEADER( [net/if_media.h],
1240 [m4_define([LINK_DETECT_INCLUDES],
1242 [#include <net/if_media.h>
1244 AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1245 AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1246 [], LINK_DETECT_INCLUDES)],
1250 dnl ---------------------------------------------------------------
1251 dnl Additional, newer way to check link-state using ifi_link_state.
1252 dnl Not available in all BSD's when ifmediareq available
1253 dnl ---------------------------------------------------------------
1254 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1255 AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1258 dnl ------------------------
1259 dnl TCP_MD5SIG socket option
1260 dnl ------------------------
1262 AC_CHECK_HEADER([netinet/tcp.h],
1263 [m4_define([MD5_INCLUDES],
1265 [#include <netinet/tcp.h>
1267 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1270 if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1271 AC_CHECK_HEADER([linux/tcp.h],
1272 [m4_define([MD5_INCLUDES],
1274 [#include <linux/tcp.h>
1276 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1279 dnl -----------------------------
1280 dnl check ipforward detect method
1281 dnl -----------------------------
1282 AC_CACHE_CHECK([ipforward method], [frr_cv_ipforward_method],
1283 [if test x$cross_compiling = xyes; then
1284 if test x"$opsys" = x"gnu-linux"; then
1285 frr_cv_ipforward_method=/proc/net/snmp
1287 frr_cv_ipforward_method=/dev/ip
1290 for frr_cv_ipforward_method in /proc/net/snmp /dev/ip /dev/null;
1292 test x`ls $frr_cv_ipforward_method 2>/dev/null` = x"$frr_cv_ipforward_method" && break
1295 case $frr_cv_ipforward_method in
1296 "/proc/net/snmp") frr_cv_ipforward_method="proc";;
1299 *-freebsd*) frr_cv_ipforward_method="sysctl";;
1300 *) frr_cv_ipforward_method="solaris";;
1302 *) frr_cv_ipforward_method="sysctl";;
1304 IPFORWARD=ipforward_${frr_cv_ipforward_method}.o
1307 dnl ----------------------------------------------------------------------------
1308 dnl figure out if domainname is available in the utsname struct (GNU extension).
1309 dnl ----------------------------------------------------------------------------
1310 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1315 AC_MSG_CHECKING(whether does this OS have IPv6 stack)
1319 if grep WIDE /usr/include/netinet6/in6.h >/dev/null 2>&1; then
1320 AC_DEFINE(KAME,1,KAME IPv6)
1322 dnl ------------------------------------
1323 dnl Solaris 9, 10 and potentially higher
1324 dnl ------------------------------------
1325 elif test x"$opsys" = x"sol8"; then
1326 AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
1327 AC_MSG_RESULT(Solaris IPv6)
1331 elif test x"$opsys" = x"gnu-linux"; then
1332 AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
1333 dnl Linux has a compilation problem with mixing
1334 dnl netinet/in.h and linux/in6.h they are not
1335 dnl compatible. There has been discussion on
1336 dnl how to fix it but no real progress on implementation
1337 dnl when they fix it, remove this
1338 AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
1339 AC_MSG_RESULT(Linux IPv6)
1341 AC_MSG_ERROR([Failed to detect IPv6 stack])
1344 dnl ------------------
1345 dnl IPv6 header checks
1346 dnl ------------------
1347 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1348 netinet6/in6_var.h netinet6/nd6.h], [], [],
1351 m4_define([FRR_INCLUDES],dnl
1353 [#if HAVE_NETINET6_IN6_H
1354 #include <netinet6/in6.h>
1356 #if HAVE_NETINET_IN6_VAR_H
1357 #include <netinet/in6_var.h>
1359 #include <netinet/icmp6.h>
1360 #if HAVE_NETINET6_IN6_VAR_H
1361 # include <netinet6/in6_var.h>
1363 #if HAVE_NETINET6_ND6_H
1364 # include <netinet6/nd6.h>
1368 dnl disable doc check
1369 if test "${enable_doc}" = "no";then
1375 dnl --------------------
1376 dnl Daemon disable check
1377 dnl --------------------
1378 if test "${enable_zebra}" = "no";then
1383 AM_CONDITIONAL(ZEBRA, test "x$ZEBRA" = "xzebra")
1385 if test "${enable_bgpd}" = "no";then
1390 AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1392 if test "${enable_ripd}" = "no";then
1397 AM_CONDITIONAL(RIPD, test "x$RIPD" = "xripd")
1399 if test "${enable_ospfd}" = "no";then
1404 AM_CONDITIONAL(OSPFD, test "x$OSPFD" = "xospfd")
1406 if test "${enable_ldpd}" = "no";then
1410 AC_DEFINE(HAVE_LDPD, 1, ldpd)
1412 AM_CONDITIONAL(LDPD, test "x$LDPD" = "xldpd")
1415 if test "$opsys" = "gnu-linux"; then
1416 if test "${enable_nhrpd}" != "no"; then
1420 if test "${enable_nhrpd}" = "yes"; then
1421 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1424 AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1426 if test "${enable_eigrpd}" = "no";then
1431 AM_CONDITIONAL(EIGRPD, test "x$EIGRPD" = "xeigrpd")
1433 if test "${enable_watchfrr}" = "no";then
1438 AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1441 if test "${enable_ospfapi}" != "no";then
1442 AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1444 if test "${enable_ospfclient}" != "no";then
1445 OSPFCLIENT="ospfclient"
1449 AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1451 case "${enable_ripngd}" in
1453 * ) RIPNGD="ripngd";;
1455 AM_CONDITIONAL(RIPNGD, test "x$RIPNGD" = "xripngd")
1457 case "${enable_babeld}" in
1459 * ) BABELD="babeld";;
1461 AM_CONDITIONAL(BABELD, test "x$BABELD" = "xbabeld")
1463 case "${enable_ospf6d}" in
1465 * ) OSPF6D="ospf6d";;
1467 AM_CONDITIONAL(OSPF6D, test "x$OSPF6D" = "xospf6d")
1469 case "${enable_isisd}" in
1473 AM_CONDITIONAL(ISISD, test "x$ISISD" = "xisisd")
1475 case "${enable_pimd}" in
1479 AM_CONDITIONAL(PIMD, test "x$PIMD" = "xpimd")
1481 if test "${enable_bgp_announce}" = "no";then
1482 AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1484 AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1487 if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1488 with_rfp_path="bgpd/rfp-example"
1490 if test "${with_rfp_path}" != "no"; then
1491 VNC_RFP_PATH="${with_rfp_path}"
1492 AC_SUBST(VNC_RFP_PATH)
1495 if test "${enable_bgp_vnc}" != "no";then
1496 AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1497 RFPTEST="${with_rfp_path}/rfptest"
1498 LIBRFP="${with_rfp_path}/librfp"
1499 RFPINC="${with_rfp_path}/librfp"
1503 RFPINC="bgpd/rfp-example/librfp"
1506 AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1528 AC_SUBST(OSPFCLIENT)
1530 AC_CHECK_LIB(crypt, crypt)
1531 AC_CHECK_LIB(resolv, res_init)
1533 dnl ---------------------------
1534 dnl check system has PCRE regexp
1535 dnl ---------------------------
1536 if test "x$enable_pcreposix" = "xyes"; then
1537 AC_CHECK_LIB(pcreposix, regexec, [], [
1538 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1541 AC_SUBST(HAVE_LIBPCREPOSIX)
1543 dnl ------------------
1544 dnl check C-Ares library
1545 dnl ------------------
1546 if test "${NHRPD}" != ""; then
1547 PKG_CHECK_MODULES([CARES], [libcares], , [
1548 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1553 dnl ------------------
1554 dnl check Net-SNMP library
1555 dnl ------------------
1556 if test "${enable_snmp}" != ""; then
1557 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1558 if test x"$NETSNMP_CONFIG" = x"no"; then
1559 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1561 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1562 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1563 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1564 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1572 AC_MSG_ERROR([--enable-snmp given but not usable])])
1573 case "${enable_snmp}" in
1578 SNMP_METHOD="${enable_snmp}"
1581 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1584 AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1585 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1586 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1588 AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1590 AC_SUBST(SNMP_CFLAGS)
1595 AC_SEARCH_LIBS([sqrt], [m])
1600 AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1601 AC_MSG_ERROR([unable to find the dlopen()])
1604 AC_CHECK_HEADERS([link.h])
1606 AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1607 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1615 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1618 AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1623 AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1624 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1631 struct link_map *lm = NULL;
1632 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1635 AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1641 AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1643 dnl ---------------------------
1644 dnl sockaddr and netinet checks
1645 dnl ---------------------------
1648 struct vifctl, struct mfcctl, struct sioc_sg_req,
1649 vifi_t, struct sioc_vif_req, struct igmpmsg,
1650 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1651 struct nd_opt_adv_interval, struct rt_addrinfo,
1652 struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1653 [], [], FRR_INCLUDES)
1655 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1656 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1657 struct sockaddr_dl.sdl_len,
1658 struct if6_aliasreq.ifra_lifetime,
1659 struct nd_opt_adv_interval.nd_opt_ai_type],
1660 [], [], FRR_INCLUDES)
1662 dnl ---------------------------
1663 dnl IRDP/pktinfo/icmphdr checks
1664 dnl ---------------------------
1665 AC_CHECK_TYPES([struct in_pktinfo],
1666 [AC_CHECK_TYPES([struct icmphdr],
1667 [if test "${enable_irdp}" != "no"; then
1668 AC_DEFINE(HAVE_IRDP,, IRDP)
1670 [if test "${enable_irdp}" = "yes"; then
1671 AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1672 fi], [FRR_INCLUDES])],
1673 [if test "${enable_irdp}" = "yes"; then
1674 AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1675 fi], [FRR_INCLUDES])
1677 dnl -----------------------
1678 dnl checking for IP_PKTINFO
1679 dnl -----------------------
1680 AC_MSG_CHECKING(for IP_PKTINFO)
1681 AC_TRY_COMPILE([#include <netdb.h>], [
1682 int opt = IP_PKTINFO;
1685 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1690 dnl ---------------------------
1691 dnl checking for IP_RECVDSTADDR
1692 dnl ---------------------------
1693 AC_MSG_CHECKING(for IP_RECVDSTADDR)
1694 AC_TRY_COMPILE([#include <netinet/in.h>], [
1695 int opt = IP_RECVDSTADDR;
1698 AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1703 dnl ----------------------
1704 dnl checking for IP_RECVIF
1705 dnl ----------------------
1706 AC_MSG_CHECKING(for IP_RECVIF)
1707 AC_TRY_COMPILE([#include <netinet/in.h>], [
1708 int opt = IP_RECVIF;
1711 AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1716 dnl ----------------------
1717 dnl checking for SO_BINDANY
1718 dnl ----------------------
1719 AC_MSG_CHECKING(for SO_BINDANY)
1720 AC_TRY_COMPILE([#include <sys/socket.h>], [
1721 int opt = SO_BINDANY;
1724 AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1729 dnl ----------------------
1730 dnl checking for IP_FREEBIND
1731 dnl ----------------------
1732 AC_MSG_CHECKING(for IP_FREEBIND)
1733 AC_TRY_COMPILE([#include <netinet/in.h>], [
1734 int opt = IP_FREEBIND;
1737 AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1742 dnl --------------------------------------
1743 dnl checking for be32dec existence or not
1744 dnl --------------------------------------
1745 AC_CHECK_DECLS([be32enc, be32dec], [], [],
1746 [#include <sys/endian.h>])
1748 dnl --------------------------------------
1749 dnl checking for clock_time monotonic struct and call
1750 dnl --------------------------------------
1751 AC_CHECK_DECL(CLOCK_MONOTONIC,
1752 [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1753 AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1754 ], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1756 dnl --------------------------------------
1757 dnl checking for flex and bison
1758 dnl --------------------------------------
1761 AC_MSG_CHECKING(version of flex)
1762 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1763 frr_ac_flex_version="${frr_ac_flex_version##* }"
1764 AC_MSG_RESULT([$frr_ac_flex_version])
1765 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1766 LEX="$SHELL $missing_dir/missing flex"
1767 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1768 AC_MSG_WARN([using pregenerated flex output files])
1770 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1772 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1773 AC_SUBST([LEXLIB], [''])
1777 dnl thanks GNU bison for this b*llshit...
1778 AC_MSG_CHECKING(version of bison)
1779 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1780 frr_ac_bison_version="${frr_ac_bison_version##* }"
1781 frr_ac_bison_missing="false"
1782 case "x${frr_ac_bison_version}" in
1785 BISON_CLOSEBRACE='"'
1787 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1790 AC_MSG_RESULT([$frr_ac_bison_version])
1791 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1792 frr_ac_bison_missing="true"
1795 AC_MSG_RESULT([none])
1796 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1797 frr_ac_bison_missing="true"
1801 BISON_CLOSEBRACE='}'
1802 BISON_VERBOSE='-Dparse.error=verbose'
1803 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1806 AC_SUBST(BISON_OPENBRACE)
1807 AC_SUBST(BISON_CLOSEBRACE)
1808 AC_SUBST(BISON_VERBOSE)
1810 if $frr_ac_bison_missing; then
1811 YACC="$SHELL $missing_dir/missing bison -y"
1812 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1813 AC_MSG_WARN([using pregenerated bison output files])
1815 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1819 dnl -------------------
1820 dnl capabilities checks
1821 dnl -------------------
1822 if test "${enable_capabilities}" != "no"; then
1823 AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1824 AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1826 AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1827 frr_ac_keepcaps="yes"],
1830 if test x"${frr_ac_keepcaps}" = x"yes"; then
1831 AC_CHECK_HEADERS(sys/capability.h)
1833 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1834 AC_CHECK_LIB(cap, cap_init,
1835 [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1840 AC_CHECK_HEADERS(priv.h,
1841 [AC_MSG_CHECKING(Solaris style privileges are available)
1842 AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1844 AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1845 frr_ac_scaps="yes"],
1851 if test x"${frr_ac_scaps}" = x"yes" \
1852 -o x"${frr_ac_lcaps}" = x"yes"; then
1853 AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1858 dnl ---------------------------
1859 dnl check for glibc 'backtrace'
1860 dnl ---------------------------
1861 if test x"${enable_backtrace}" != x"no" ; then
1863 AC_CHECK_HEADER([execinfo.h], [
1864 AC_SEARCH_LIBS([backtrace], [execinfo], [
1865 AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1866 AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1871 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1872 dnl user explicitly requested backtrace but we failed to find support
1873 AC_MSG_FAILURE([failed to find backtrace support])
1877 dnl -----------------------------------------
1878 dnl check for malloc mallinfo struct and call
1879 dnl this must try and link using LIBS, in
1880 dnl order to check no alternative allocator
1881 dnl has been specified, which might not provide
1882 dnl mallinfo, e.g. such as Umem on Solaris.
1883 dnl -----------------------------------------
1884 AC_CHECK_HEADER([malloc.h],
1885 [AC_MSG_CHECKING(whether mallinfo is available)
1886 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1887 [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1889 AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1892 ], [], FRR_INCLUDES)
1897 CONFDATE=`date '+%Y%m%d'`
1900 dnl ------------------------------
1901 dnl set paths for state directory
1902 dnl ------------------------------
1903 AC_MSG_CHECKING(directory to use for state file)
1904 if test "${prefix}" = "NONE"; then
1905 frr_statedir_prefix="";
1907 frr_statedir_prefix=${prefix}
1909 if test "${localstatedir}" = '${prefix}/var'; then
1910 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1911 ${frr_statedir_prefix}/var/adm dnl
1912 ${frr_statedir_prefix}/etc dnl
1918 test -d $FRR_STATE_DIR && break
1920 frr_statedir=$FRR_STATE_DIR
1922 frr_statedir=${localstatedir}
1924 if test $frr_statedir = "/dev/null"; then
1925 AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1927 AC_MSG_RESULT(${frr_statedir})
1928 AC_SUBST(frr_statedir)
1930 AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1931 AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1932 AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1934 dnl autoconf does this, but it does it too late...
1935 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1936 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1938 dnl get the full path, recursing through variables...
1939 vtysh_bin="$bindir/vtysh"
1940 for I in 1 2 3 4 5 6 7 8 9 10; do
1941 eval vtysh_bin="\"$vtysh_bin\""
1943 AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1945 CFG_SYSCONF="$sysconfdir"
1947 CFG_STATE="$frr_statedir"
1948 CFG_MODULE="$moduledir"
1949 for I in 1 2 3 4 5 6 7 8 9 10; do
1950 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1951 eval CFG_SBIN="\"$CFG_SBIN\""
1952 eval CFG_STATE="\"$CFG_STATE\""
1953 eval CFG_MODULE="\"$CFG_MODULE\""
1955 AC_SUBST(CFG_SYSCONF)
1958 AC_SUBST(CFG_MODULE)
1959 AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1961 dnl ---------------------------
1962 dnl Check htonl works correctly
1963 dnl ---------------------------
1964 AC_MSG_CHECKING(for working htonl)
1965 AC_CACHE_VAL(ac_cv_htonl_works,
1966 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1967 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1970 AC_MSG_RESULT($ac_cv_htonl_works)
1972 AC_CONFIG_FILES([Makefile lib/Makefile qpb/Makefile zebra/Makefile ripd/Makefile
1973 ripngd/Makefile bgpd/Makefile ospfd/Makefile watchfrr/Makefile
1974 ospf6d/Makefile ldpd/Makefile isisd/Makefile vtysh/Makefile
1975 doc/Makefile ospfclient/Makefile tests/Makefile m4/Makefile
1976 bgpd/rfp-example/rfptest/Makefile bgpd/rfp-example/librfp/Makefile
1988 snapcraft/snapcraft.yaml
1990 tests/lib/cli/test_cli.refout
2007 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2008 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2012 AC_CONFIG_FILES([solaris/Makefile])
2014 AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
2016 ## Hack, but working solution to avoid rebuilding of frr.info.
2017 ## It's already in CVS until texinfo 4.7 is more common.
2021 FRRouting configuration
2022 ------------------------------
2023 FRR version : ${PACKAGE_VERSION}
2024 host operating system : ${host_os}
2025 source code location : ${srcdir}
2027 compiler flags : ${CFLAGS}
2029 linker flags : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2030 state file directory : ${frr_statedir}
2031 config file directory : `eval echo \`echo ${sysconfdir}\``
2032 example directory : `eval echo \`echo ${exampledir}\``
2033 module directory : ${CFG_MODULE}
2034 user to run as : ${enable_user}
2035 group to run as : ${enable_group}
2036 group for vty sockets : ${enable_vty_group}
2037 config file mask : ${enable_configfile_mask}
2038 log file mask : ${enable_logfile_mask}
2039 zebra protobuf enabled : ${have_protobuf:-no}
2041 The above user and group must have read/write access to the state file
2042 directory and to the config files in the config file directory."