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1 ##
2 ## Configure template file for FRRouting.
3 ## autoconf will generate a configure script.
4 ##
5 ## Copyright (c) 1996, 97, 98, 99, 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
6 ## Portions Copyright (c) 2003 Paul Jakma <paul@dishone.st>
7 ##
8 AC_PREREQ([2.60])
9
10 AC_INIT([frr], [7.4-dev], [https://github.com/frrouting/frr/issues])
11 PACKAGE_URL="https://frrouting.org/"
12 AC_SUBST([PACKAGE_URL])
13 PACKAGE_FULLNAME="FRRouting"
14 AC_SUBST([PACKAGE_FULLNAME])
15
16 CONFIG_ARGS="`echo $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`"
17 AC_SUBST([CONFIG_ARGS])
18
19 AC_CONFIG_SRCDIR([lib/zebra.h])
20 AC_CONFIG_MACRO_DIR([m4])
21
22 dnl -----------------------------------
23 dnl Get hostname and other information.
24 dnl -----------------------------------
25 AC_CANONICAL_BUILD()
26 AC_CANONICAL_HOST()
27
28 hosttools_clippy="false"
29 build_clippy="true"
30
31 dnl case 1: external clippy
32 if test -n "$with_clippy" -a "$with_clippy" != "no" -a "$with_clippy" != "yes"; then
33 if test "$enable_clippy_only" = "yes"; then
34 AC_MSG_ERROR([--enable-clippy-only does not make sense with --with-clippy])
35 fi
36
37 CLIPPY="$with_clippy"
38 build_clippy="false"
39 if test ! -x "$with_clippy"; then
40 AC_MSG_ERROR([clippy tool ($with_clippy) is not executable])
41 fi
42
43 dnl case 2: cross-compiling internal clippy
44 elif test "$host" != "$build"; then
45 if test "$srcdir" = "."; then
46 AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir or by building clippy separately and using the --with-clippy option. create a separate directory and run as .../path-to-frr/configure.])
47 fi
48 test -d hosttools || mkdir hosttools
49 abssrc="`cd \"${srcdir}\"; pwd`"
50
51 AC_MSG_NOTICE([...])
52 AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
53 AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
54 AC_MSG_NOTICE([...])
55
56 (
57 for var in $ac_precious_vars; do
58 dnl special cases
59 case "$var" in
60 YACC|YFLAGS) continue;;
61 PYTHON*) retain=true;;
62 *) retain=false;
63 esac
64
65 eval "hostvar=\"\${HOST_$var}\""
66 eval "targetvar=\"\${$var}\""
67 if test -n "$hostvar"; then
68 eval "$var='$hostvar'"
69 _AS_ECHO_LOG([host $var='$hostvar'])
70 elif $retain; then
71 _AS_ECHO_LOG([host retain $var='$targetvar'])
72 else
73 eval "unset $var"
74 _AS_ECHO_LOG([host unset $var])
75 fi
76 done
77 cd hosttools
78 "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"
79 ) || exit 1
80
81 AC_MSG_NOTICE([...])
82 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
83 AC_MSG_NOTICE([...])
84
85 build_clippy="false"
86 hosttools_clippy="true"
87 CLIPPY="hosttools/lib/clippy"
88
89 dnl case 3: normal build internal clippy
90 else
91 CLIPPY="lib/clippy\$(EXEEXT)"
92 fi
93 AC_SUBST([CLIPPY])
94 AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
95 AM_CONDITIONAL([HOSTTOOLS_CLIPPY], [$hosttools_clippy])
96 AM_CONDITIONAL([ONLY_CLIPPY], [test "$enable_clippy_only" = "yes"])
97
98 # Disable portability warnings -- our automake code (in particular
99 # common.am) uses some constructs specific to gmake.
100 AM_INIT_AUTOMAKE([1.12 -Wno-portability foreign])
101 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
102 AM_SILENT_RULES([yes])
103 AC_CONFIG_HEADERS([config.h])
104
105 AC_PATH_PROG([PERL], [perl])
106 PKG_PROG_PKG_CONFIG
107
108 dnl default is to match previous behavior
109 exampledir=${sysconfdir}
110 AC_ARG_ENABLE([exampledir],
111 AS_HELP_STRING([--enable-exampledir],
112 [specify alternate directory for examples]),
113 exampledir="$enableval",)
114 dnl XXX add --exampledir to autoconf standard directory list somehow
115 AC_SUBST([exampledir])
116
117 dnl default is to match previous behavior
118 pkgsrcrcdir=""
119 AC_ARG_ENABLE([pkgsrcrcdir],
120 AS_HELP_STRING([--enable-pkgsrcrcdir],
121 [specify directory for rc.d scripts]),
122 pkgsrcrcdir="$enableval",)
123 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
124 AC_SUBST([pkgsrcrcdir])
125 AM_CONDITIONAL([PKGSRC], [test "$pkgsrcrcdir" != ""])
126
127 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
128 moduledir="$withval"
129 ], [
130 moduledir="\${libdir}/frr/modules"
131 ])
132 AC_SUBST([moduledir], [$moduledir])
133
134
135 AC_ARG_WITH([yangmodelsdir], [AS_HELP_STRING([--with-yangmodelsdir=DIR], [yang models directory (${datarootdir}/yang)])], [
136 yangmodelsdir="$withval"
137 ], [
138 yangmodelsdir="\${datarootdir}/yang"
139 ])
140 AC_SUBST([yangmodelsdir])
141
142 AC_ARG_ENABLE(tcmalloc,
143 AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
144 [case "${enableval}" in
145 yes) tcmalloc_enabled=true
146 LIBS="$LIBS -ltcmalloc_minimal"
147 ;;
148 no) tcmalloc_enabled=false ;;
149 *) AC_MSG_ERROR([bad value ${enableval} for --enable-tcmalloc]) ;;
150 esac],[tcmalloc_enabled=false])
151
152
153 dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
154 dnl flag determination logic.
155 CFLAGS="${CFLAGS:-}"
156
157 dnl --------------------
158 dnl Check CC and friends
159 dnl --------------------
160 dnl note orig_cflags is also used further down
161 orig_cflags="$CFLAGS"
162 orig_cxxflags="$CXXFLAGS"
163 AC_LANG([C])
164 AC_PROG_CC
165 AC_PROG_CPP
166 AC_PROG_CXX
167 AM_PROG_CC_C_O
168 dnl remove autoconf default "-g -O2"
169 CFLAGS="$orig_cflags"
170 CXXFLAGS="$orig_cxxflags"
171 AC_PROG_CC_C99
172 dnl NB: see C11 below
173
174 PKG_PROG_PKG_CONFIG
175
176 dnl it's 2019, sed is sed.
177 SED=sed
178 AC_SUBST([SED])
179
180 dnl try and enable CFLAGS that are useful for FRR
181 dnl - specifically, options to control warnings
182
183 AC_USE_SYSTEM_EXTENSIONS
184 AC_DEFUN([AC_C_FLAG], [{
185 m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-+/{}$],[________])])
186 AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [
187 AC_LANG_PUSH([C])
188 ac_c_flag_save="$CFLAGS"
189 CFLAGS="$CFLAGS $1"
190 AC_COMPILE_IFELSE(
191 [AC_LANG_PROGRAM([[$4]])],
192 [
193 cachename=yes
194 ], [
195 cachename=no
196 ])
197 CFLAGS="$ac_c_flag_save"
198 AC_LANG_POP([C])
199 ])
200 if test "$cachename" = "yes"; then
201 m4_if([$3], [], [CFLAGS="$CFLAGS $1"], [$3])
202 else
203 :
204 $2
205 fi
206 m4_popdef([cachename])
207 }])
208
209 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
210 AC_LANG_PUSH([C])
211 ac_cflags_save="$CFLAGS"
212 ac_libs_save="$LIBS"
213 CFLAGS="$CFLAGS $1"
214 LIBS="$LIBS $2"
215 AC_LINK_IFELSE(
216 [$3],
217 [
218 CFLAGS="$ac_cflags_save"
219 LIBS="$ac_libs_save"
220 m4_default([$5], [
221 AC_MSG_RESULT([yes])
222 ])
223 ], [
224 CFLAGS="$ac_cflags_save"
225 LIBS="$ac_libs_save"
226 m4_default([$4], [
227 AC_MSG_RESULT([no])
228 ])
229 ])
230 AC_LANG_POP([C])
231 }])
232
233 dnl ICC won't bail on unknown options without -diag-error 10006
234 dnl need to do this first so we get useful results for the other options
235 AC_C_FLAG([-diag-error 10006])
236
237 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
238 ac_cc="$CC"
239 CC="${CC% -std=gnu99}"
240 CC="${CC% -std=c99}"
241
242 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
243
244 dnl if the user has specified any CFLAGS, override our settings
245 if test "$enable_gcov" = "yes"; then
246 if test "$orig_cflags" = ""; then
247 AC_C_FLAG([-coverage])
248 AC_C_FLAG([-O0])
249 fi
250
251 LDFLAGS="${LDFLAGS} -lgcov"
252 fi
253
254 if test "$enable_clang_coverage" = "yes"; then
255 AC_C_FLAG([-fprofile-instr-generate], [
256 AC_MSG_ERROR([$CC does not support -fprofile-instr-generate.])
257 ])
258 AC_C_FLAG([-fcoverage-mapping], [
259 AC_MSG_ERROR([$CC does not support -fcoverage-mapping.])
260 ])
261 fi
262
263 if test "$enable_dev_build" = "yes"; then
264 AC_DEFINE([DEV_BUILD], [1], [Build for development])
265 if test "$orig_cflags" = ""; then
266 AC_C_FLAG([-g3])
267 AC_C_FLAG([-O0])
268 fi
269 if test "$enable_lua" = "yes"; then
270 AX_PROG_LUA([5.3])
271 AX_LUA_HEADERS
272 AX_LUA_LIBS([
273 AC_DEFINE([HAVE_LUA], [1], [Have support for Lua interpreter])
274 LIBS="$LIBS $LUA_LIB"
275 ])
276 fi
277 else
278 if test "$enable_lua" = "yes"; then
279 AC_MSG_ERROR([Lua is not meant to be built/used outside of development at this time])
280 fi
281 if test "$orig_cflags" = ""; then
282 AC_C_FLAG([-g])
283 AC_C_FLAG([-O2])
284 fi
285 fi
286 AM_CONDITIONAL([DEV_BUILD], [test "$enable_dev_build" = "yes"])
287
288 dnl always want these CFLAGS
289 AC_C_FLAG([-fno-omit-frame-pointer])
290 AC_C_FLAG([-funwind-tables])
291 AC_C_FLAG([-Wall])
292 AC_C_FLAG([-Wextra])
293 AC_C_FLAG([-Wmissing-prototypes])
294 AC_C_FLAG([-Wmissing-declarations])
295 AC_C_FLAG([-Wpointer-arith])
296 AC_C_FLAG([-Wbad-function-cast])
297 AC_C_FLAG([-Wwrite-strings])
298 AC_C_FLAG([-Wundef])
299 if test "$enable_gcc_ultra_verbose" = "yes" ; then
300 AC_C_FLAG([-Wcast-qual])
301 AC_C_FLAG([-Wstrict-prototypes])
302 AC_C_FLAG([-Wmissing-noreturn])
303 AC_C_FLAG([-Wmissing-format-attribute])
304 AC_C_FLAG([-Wunreachable-code])
305 AC_C_FLAG([-Wpacked])
306 AC_C_FLAG([-Wpadded])
307 AC_C_FLAG([-Wshadow])
308 else
309 AC_C_FLAG([-Wno-unused-result])
310 fi
311 AC_C_FLAG([-Wno-unused-parameter])
312 AC_C_FLAG([-Wno-missing-field-initializers])
313
314 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
315 AC_SUBST([CXX_COMPAT_CFLAGS])
316
317 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
318 dnl for some reason the string consts get 'promoted' to char *,
319 dnl triggering a const to non-const conversion warning.
320 AC_C_FLAG([-diag-disable 3179])
321
322 if test "$enable_werror" = "yes" ; then
323 WERROR="-Werror"
324 fi
325 AC_SUBST([WERROR])
326
327 SAN_FLAGS=""
328 if test "$enable_address_sanitizer" = "yes"; then
329 AC_C_FLAG([-fsanitize=address], [
330 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
331 ], [
332 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
333 ])
334 fi
335 if test "$enable_thread_sanitizer" = "yes"; then
336 AC_C_FLAG([-fsanitize=thread], [
337 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
338 ], [
339 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
340 ])
341 fi
342 if test "$enable_memory_sanitizer" = "yes"; then
343 AC_C_FLAG([-fsanitize=memory -fPIE -pie], [
344 AC_MSG_ERROR([$CC does not support Memory Sanitizer.])
345 ], [
346 SAN_FLAGS="$SAN_FLAGS -fsanitize=memory -fPIE -pie"
347 ])
348 fi
349 if test "$enable_undefined_sanitizer" = "yes"; then
350 AC_C_FLAG([-fsanitize=undefined], [
351 AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.])
352 ], [
353 SAN_FLAGS="$SAN_FLAGS -fsanitize=undefined"
354 ])
355 fi
356 AC_SUBST([SAN_FLAGS])
357
358 dnl frr-format.so
359 if test "$with_frr_format" != "no" -a "$with_frr_format" != "yes" -a -n "$with_frr_format"; then
360 AC_C_FLAG([-fplugin=${with_frr_format}], [
361 AC_MSG_ERROR([specified frr-format plugin ($with_frr_format) does not work])
362 ],,[
363 #ifndef _FRR_ATTRIBUTE_PRINTFRR
364 #error plugin not loaded
365 #endif
366 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
367 #error plugin too old
368 #endif
369 ])
370 elif test "$with_frr_format" = "no"; then
371 : #nothing
372 else
373 AC_C_FLAG([-fplugin=tools/gcc-plugins/frr-format.so],[
374 AC_C_FLAG([-fplugin=frr-format],[
375 if test "$with_frr_format" = "yes"; then
376 AC_MSG_ERROR([frr-format plugin requested but not found])
377 fi
378 ],,[
379 #ifndef _FRR_ATTRIBUTE_PRINTFRR
380 #error plugin not loaded
381 #endif
382 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
383 #error plugin too old
384 #endif
385 ])
386 ],,[
387 #ifndef _FRR_ATTRIBUTE_PRINTFRR
388 #error plugin not loaded
389 #endif
390 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
391 #error plugin too old
392 #endif
393 ])
394 fi
395
396 dnl ----------
397 dnl Essentials
398 dnl ----------
399
400 AX_PTHREAD([
401 CC="$PTHREAD_CC"
402 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
403 LIBS="$PTHREAD_LIBS $LIBS"
404 ], [
405 AC_MSG_FAILURE([This FRR version needs pthreads])
406 ])
407
408 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
409 [frr_cv_pthread_condattr_setclock=yes],
410 [frr_cv_pthread_condattr_setclock=no])
411 if test "$frr_cv_pthread_condattr_setclock" = "yes"; then
412 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
413 fi
414
415 dnl --------------
416 dnl Check programs
417 dnl --------------
418 AC_PROG_INSTALL
419 AC_PROG_LN_S
420 AC_CHECK_TOOL([AR], [ar])
421
422 dnl -------
423 dnl libtool
424 dnl -------
425 AC_ARG_ENABLE([static-bin],
426 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
427 LT_INIT
428 _LT_CONFIG_LIBTOOL([
429 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
430 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
431 ])
432 if test "$enable_static_bin" = "yes"; then
433 AC_LDFLAGS="-static"
434 if test "$enable_static" != "yes"; then
435 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
436 fi
437 fi
438 if test "$enable_shared" != "yes"; then
439 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
440 fi
441 AC_SUBST([AC_LDFLAGS])
442 AM_CONDITIONAL([STATIC_BIN], [test "$enable_static_bin" = "yes"])
443
444 dnl $AR and $RANLIB are set by LT_INIT above
445 AC_MSG_CHECKING([whether $AR supports D option])
446 if $AR crD conftest.a >/dev/null 2>/dev/null; then
447 AC_MSG_RESULT([yes])
448 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
449 ARFLAGS="crD"
450 AR_FLAGS="crD"
451 else
452 AC_MSG_RESULT([no])
453 ARFLAGS="cru"
454 AR_FLAGS="cru"
455 fi
456 AC_SUBST([ARFLAGS])
457 AC_SUBST([AR_FLAGS])
458
459 AC_MSG_CHECKING([whether $RANLIB supports D option])
460 if $RANLIB -D conftest.a >conftest.err 2>&1; then
461 if grep -q -- '-D' conftest.err; then
462 AC_MSG_RESULT([no])
463 else
464 AC_MSG_RESULT([yes])
465 RANLIB="$RANLIB -D"
466 fi
467 else
468 AC_MSG_RESULT([no])
469 fi
470 AC_SUBST([RANLIB])
471
472 test -f conftest.err && rm conftest.err
473 test -f conftest.a && rm conftest.a
474
475 dnl ----------------------
476 dnl Packages configuration
477 dnl ----------------------
478 if test -f config.version; then
479 . ./config.version
480 elif test -f "${srcdir}/config.version"; then
481 . "${srcdir}/config.version"
482 fi
483 AC_ARG_WITH([pkg-extra-version],
484 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
485 if test "$withval" = "no"; then
486 EXTRAVERSION=
487 else
488 EXTRAVERSION=$withval
489 fi
490 ], [])
491 AC_ARG_WITH([pkg-git-version],
492 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
493 [ test "$withval" != "no" && with_pkg_git_version="yes" ])
494 AC_ARG_WITH([clippy],
495 AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program]))
496 AC_ARG_WITH([vtysh_pager],
497 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
498 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
499 AC_ARG_ENABLE([vtysh],
500 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
501 AC_ARG_ENABLE([doc],
502 AS_HELP_STRING([--disable-doc], [do not build docs]))
503 AC_ARG_ENABLE([doc-html],
504 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
505 AC_ARG_ENABLE([zebra],
506 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
507 AC_ARG_ENABLE([bgpd],
508 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
509 AC_ARG_ENABLE([ripd],
510 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
511 AC_ARG_ENABLE([ripngd],
512 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
513 AC_ARG_ENABLE([ospfd],
514 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
515 AC_ARG_ENABLE([ospf6d],
516 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
517 AC_ARG_ENABLE([ldpd],
518 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
519 AC_ARG_ENABLE([nhrpd],
520 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
521 AC_ARG_ENABLE([eigrpd],
522 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
523 AC_ARG_ENABLE([babeld],
524 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
525 AC_ARG_ENABLE([watchfrr],
526 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
527 AC_ARG_ENABLE([isisd],
528 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
529 AC_ARG_ENABLE([pimd],
530 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
531 AC_ARG_ENABLE([pbrd],
532 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
533 AC_ARG_ENABLE([sharpd],
534 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
535 AC_ARG_ENABLE([staticd],
536 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
537 AC_ARG_ENABLE([fabricd],
538 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
539 AC_ARG_ENABLE([vrrpd],
540 AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
541 AC_ARG_ENABLE([bgp-announce],
542 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
543 AC_ARG_ENABLE([bgp-vnc],
544 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
545 AC_ARG_ENABLE([bgp-bmp],
546 AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support]))
547 AC_ARG_ENABLE([snmp],
548 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
549 AC_ARG_ENABLE([config_rollbacks],
550 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
551 AC_ARG_ENABLE([confd],
552 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
553 AC_ARG_ENABLE([sysrepo],
554 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
555 AC_ARG_ENABLE([grpc],
556 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
557 AC_ARG_ENABLE([zeromq],
558 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
559 AC_ARG_WITH([libpam],
560 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
561 AC_ARG_ENABLE([ospfapi],
562 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
563 AC_ARG_ENABLE([ospfclient],
564 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
565 (this is the default if --disable-ospfapi is set)]))
566 AC_ARG_ENABLE([multipath],
567 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
568 AC_ARG_ENABLE([user],
569 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
570 AC_ARG_ENABLE([group],
571 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
572 AC_ARG_ENABLE([vty_group],
573 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
574 AC_ARG_ENABLE([configfile_mask],
575 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
576 AC_ARG_ENABLE([logfile_mask],
577 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
578 AC_ARG_ENABLE([shell_access],
579 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
580 AC_ARG_ENABLE([realms],
581 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
582 AC_ARG_ENABLE([rtadv],
583 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
584 AC_ARG_ENABLE([irdp],
585 AS_HELP_STRING([--disable-irdp], [disable IRDP server support in zebra (enabled by default if supported)]))
586 AC_ARG_ENABLE([capabilities],
587 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
588 AC_ARG_ENABLE([rusage],
589 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
590 AC_ARG_ENABLE([gcc_ultra_verbose],
591 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
592 AC_ARG_ENABLE([backtrace],
593 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
594 AC_ARG_ENABLE([time-check],
595 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
596 AC_ARG_ENABLE([cpu-time],
597 AS_HELP_STRING([--disable-cpu-time], [disable cpu usage data gathering]))
598 AC_ARG_ENABLE([pcreposix],
599 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
600 AC_ARG_ENABLE([fpm],
601 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
602 AC_ARG_ENABLE([systemd],
603 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
604 AC_ARG_ENABLE([werror],
605 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
606 AC_ARG_ENABLE([cumulus],
607 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
608 AC_ARG_ENABLE([datacenter],
609 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
610 AC_ARG_ENABLE([fuzzing],
611 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
612 AC_ARG_ENABLE([netlink_fuzzing],
613 AS_HELP_STRING([--enable-netlink-fuzzing], [enable ability to fuzz netlink listening socket in zebra]))
614 AC_ARG_ENABLE([rr-semantics],
615 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
616 AC_ARG_ENABLE([protobuf],
617 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
618 AC_ARG_ENABLE([oldvpn_commands],
619 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
620 AC_ARG_ENABLE([rpki],
621 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
622 AC_ARG_ENABLE([clippy-only],
623 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
624 AC_ARG_ENABLE([numeric_version],
625 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
626 AC_ARG_ENABLE([gcov],
627 AS_HELP_STRING([--enable-gcov], [Collect coverage information with gcov]))
628 AC_ARG_ENABLE([clang_coverage],
629 AS_HELP_STRING([--enable-clang-coverage], [Collect coverage information with Clang Coverage]))
630 AC_ARG_ENABLE([bfdd],
631 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
632 AC_ARG_ENABLE([address-sanitizer],
633 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
634 AC_ARG_ENABLE([thread-sanitizer],
635 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
636 AC_ARG_ENABLE([memory-sanitizer],
637 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
638 AC_ARG_ENABLE([undefined-sanitizer],
639 AS_HELP_STRING([--undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior]))
640 AC_ARG_WITH([crypto],
641 AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))
642 AC_ARG_WITH([frr-format],
643 AS_HELP_STRING([--with-frr-format[=<.../frr-format.so>]], [use frr-format GCC plugin]))
644
645 #if openssl, else use the internal
646 AS_IF([test "$with_crypto" = "openssl"], [
647 AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], [])
648 if test "$ac_cv_lib_crypto_EVP_DigestInit" = "no"; then
649 AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system])
650 else
651 AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support])
652 fi
653 ], [test "$with_crypto" = "internal" || test "$with_crypto" = "" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation])
654 ], [AC_MSG_ERROR([Unknown value for --with-crypto])]
655 )
656
657 AS_IF([test "$enable_clippy_only" != "yes"], [
658 AC_CHECK_HEADERS([json-c/json.h])
659 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
660 if test "$ac_cv_lib_json_c_json_object_get" = "no"; then
661 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
662 if test "$ac_cv_lib_json_json_object_get" = "no"; then
663 AC_MSG_ERROR([libjson is needed to compile])
664 fi
665 fi
666 ])
667
668 AC_ARG_ENABLE([dev_build],
669 AS_HELP_STRING([--enable-dev-build], [build for development]))
670
671 AC_ARG_ENABLE([lua],
672 AS_HELP_STRING([--enable-lua], [Build Lua scripting]))
673
674 if test "$enable_time_check" != "no" ; then
675 if test "$enable_time_check" = "yes" -o "$enable_time_check" = "" ; then
676 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
677 else
678 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
679 fi
680 fi
681
682 case "${enable_cpu_time}" in
683 "no")
684 AC_DEFINE([EXCLUDE_CPU_TIME], [1], [Exclude getrusage data gathering])
685 ;;
686 "*")
687 ;;
688 esac
689
690 case "${enable_systemd}" in
691 "no") ;;
692 "yes")
693 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
694 if test "$ac_cv_lib_systemd_sd_notify" = "no"; then
695 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
696 else
697 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
698 fi
699 ;;
700 "*") ;;
701 esac
702
703 if test "$enable_rr_semantics" != "no" ; then
704 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
705 fi
706
707 if test "$enable_datacenter" = "yes" ; then
708 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
709 AC_MSG_WARN([The --enable-datacenter compile time option is deprecated. Please modify the init script to pass -F datacenter to the daemons instead.])
710 DFLT_NAME="datacenter"
711 else
712 DFLT_NAME="traditional"
713 fi
714
715 if test "$enable_fuzzing" = "yes" ; then
716 AC_DEFINE([HANDLE_ZAPI_FUZZING], [1], [Compile extensions to use with a fuzzer])
717 fi
718
719 if test "$enable_netlink_fuzzing" = "yes" ; then
720 AC_DEFINE([HANDLE_NETLINK_FUZZING], [1], [Compile extensions to use with a fuzzer for netlink])
721 fi
722
723 if test "$enable_cumulus" = "yes" ; then
724 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
725 fi
726
727 AC_SUBST([DFLT_NAME])
728 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
729
730 if test "$enable_shell_access" = "yes"; then
731 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
732 fi
733
734 #
735 # Python for clippy
736 #
737
738 AS_IF([test "$host" = "$build"], [
739 FRR_PYTHON_DEV
740 ], [
741 FRR_PYTHON
742 ])
743
744 FRR_PYTHON_MODULES([pytest])
745
746 if test "$enable_doc" != "no"; then
747 FRR_PYTHON_MODULES([sphinx], , [
748 if test "$enable_doc" = "yes"; then
749 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.])
750 fi
751 ])
752 fi
753 AM_CONDITIONAL([DOC], [test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" != "false"])
754 AM_CONDITIONAL([DOC_HTML], [test "$enable_doc_html" = "yes"])
755
756 FRR_PYTHON_MOD_EXEC([sphinx], [--version], [
757 PYSPHINX="-m sphinx"
758 ], [
759 PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'"
760 ])
761 AC_SUBST([PYSPHINX])
762
763 #
764 # Logic for old vpn commands support.
765 #
766 if test "$enable_oldvpn_commands" = "yes"; then
767 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
768 fi
769
770 #
771 # End of logic for protobuf support.
772 #
773
774 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
775 if test "$enable_rtadv" != "no"; then
776 AC_MSG_RESULT([yes])
777 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
778 else
779 AC_MSG_RESULT([no])
780 fi
781
782 if test "$enable_user" = "no"; then
783 enable_user=""
784 else
785 if test "$enable_user" = "yes" || test "$enable_user" = ""; then
786 enable_user="frr"
787 fi
788 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
789 fi
790
791 if test "$enable_group" = "no"; then
792 enable_group=""
793 else
794 if test "$enable_group" = "yes" || test "$enable_group" = ""; then
795 enable_group="frr"
796 fi
797 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
798 fi
799
800 if test "$enable_vty_group" = "yes" ; then
801 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
802 elif test "$enable_vty_group" != ""; then
803 if test "$enable_vty_group" != "no"; then
804 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
805 fi
806 fi
807 AC_SUBST([enable_user])
808 AC_SUBST([enable_group])
809 AC_SUBST([enable_vty_group])
810
811 enable_configfile_mask=${enable_configfile_mask:-0600}
812 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
813
814 enable_logfile_mask=${enable_logfile_mask:-0600}
815 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
816
817 MPATH_NUM=16
818
819 case "${enable_multipath}" in
820 0)
821 MPATH_NUM=64
822 ;;
823 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
824 MPATH_NUM="${enable_multipath}"
825 ;;
826 "")
827 ;;
828 *)
829 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
830 ;;
831 esac
832
833 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
834
835 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
836
837 dnl --------------------
838 dnl Enable code coverage
839 dnl --------------------
840 AM_CONDITIONAL([HAVE_GCOV], [test "$enable_gcov" != "no"])
841
842 dnl ------------------------------------
843 dnl Alpine only accepts numeric versions
844 dnl ------------------------------------
845 if test "$enable_numeric_version" != "" ; then
846 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
847 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
848 fi
849
850 dnl -----------------------------------
851 dnl Add extra version string to package
852 dnl name, string and version fields.
853 dnl -----------------------------------
854 if test "$EXTRAVERSION" != "" ; then
855 VERSION="${VERSION}${EXTRAVERSION}"
856 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
857 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
858 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
859 fi
860 AC_SUBST([EXTRAVERSION])
861
862 if test "$with_pkg_git_version" = "yes"; then
863 if test -e "${srcdir}/.git"; then
864 AC_DEFINE([GIT_VERSION], [1], [include git version info])
865 else with_pkg_git_version="no"
866 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
867 fi
868 fi
869 AM_CONDITIONAL([GIT_VERSION], [test "$with_pkg_git_version" = "yes"])
870
871 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
872 if test "$OBJCOPY" != ":"; then
873 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
874 frr_cv_interp=""
875 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
876 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
877 frr_cv_interp="`xargs -0 echo < conftest.interp`"
878 fi
879 test -f conftest.interp && rm conftest.interp
880 ])
881 ])
882 fi
883 if test -n "$frr_cv_interp"; then
884 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
885 fi
886
887 dnl -------------------------
888 dnl Check other header files.
889 dnl -------------------------
890 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
891 linux/version.h asm/types.h])
892
893 ac_stdatomic_ok=false
894 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
895 AC_CHECK_HEADER([stdatomic.h],[
896
897 AC_MSG_CHECKING([whether _Atomic qualifier works])
898 AC_LINK_IFELSE([AC_LANG_SOURCE([[
899 #include <stdatomic.h>
900 int main(int argc, char **argv) {
901 _Atomic int i = 0;
902 return i;
903 }
904 ]])], [
905 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
906 AC_MSG_RESULT([yes])
907 ac_stdatomic_ok=true
908 ], [
909 AC_MSG_RESULT([no])
910 ])
911 ])
912
913 AS_IF([$ac_stdatomic_ok], [true], [
914 AC_MSG_CHECKING([for __atomic_* builtins])
915 AC_LINK_IFELSE([AC_LANG_SOURCE([[
916 int main(int argc, char **argv) {
917 volatile int i = 1;
918 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
919 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
920 }
921 ]])], [
922 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
923 AC_MSG_RESULT([yes])
924 ], [
925 AC_MSG_RESULT([no])
926
927 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
928 AC_MSG_CHECKING([for __sync_* builtins])
929 AC_LINK_IFELSE([AC_LANG_SOURCE([[
930 int main(int argc, char **argv) {
931 volatile int i = 1;
932 __sync_fetch_and_sub (&i, 1);
933 return __sync_val_compare_and_swap (&i, 0, 1);
934 }
935 ]])], [
936 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
937 AC_MSG_RESULT([yes])
938
939 AC_MSG_CHECKING([for __sync_swap builtin])
940 AC_LINK_IFELSE([AC_LANG_SOURCE([[
941 int main(int argc, char **argv) {
942 volatile int i = 1;
943 return __sync_swap (&i, 2);
944 }
945 ]])], [
946 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
947 AC_MSG_RESULT([yes])
948 ], [
949 AC_MSG_RESULT([no])
950 ])
951
952 ], [
953 AC_MSG_RESULT([no])
954 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
955 ])
956 ])
957 ])
958
959 AC_CHECK_HEADERS([pthread_np.h],,, [
960 #include <pthread.h>
961 ])
962 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
963
964 needsync=true
965
966 AS_IF([$needsync], [
967 dnl Linux
968 AC_MSG_CHECKING([for Linux futex() support])
969 AC_LINK_IFELSE([AC_LANG_PROGRAM([
970 #ifndef _GNU_SOURCE
971 #define _GNU_SOURCE
972 #endif
973 #include <unistd.h>
974 #include <limits.h>
975 #include <sys/time.h>
976 #include <sys/syscall.h>
977 #include <linux/futex.h>
978
979 int main(void);
980 ],
981 [
982 {
983 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
984 }
985 ])], [
986 AC_MSG_RESULT([yes])
987 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
988 needsync=false
989 ], [
990 AC_MSG_RESULT([no])
991 ])
992 ])
993
994 AS_IF([$needsync], [
995 dnl FreeBSD
996 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
997 AC_LINK_IFELSE([AC_LANG_PROGRAM([
998 #include <errno.h>
999 #include <stdlib.h>
1000 #include <sys/types.h>
1001 #include <sys/umtx.h>
1002 int main(void);
1003 ],
1004 [
1005 {
1006 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
1007 }
1008 ])], [
1009 AC_MSG_RESULT([yes])
1010 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
1011 needsync=false
1012 ], [
1013 AC_MSG_RESULT([no])
1014 ])
1015 ])
1016
1017 AS_IF([$needsync], [
1018 dnl OpenBSD patch (not upstream at the time of writing this)
1019 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
1020 AC_MSG_CHECKING([for OpenBSD futex() support])
1021 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1022 #include <sys/futex.h>
1023 int main(void);
1024 ],
1025 [
1026 {
1027 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1028 }
1029 ])], [
1030 AC_MSG_RESULT([yes])
1031 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
1032 needsync=false
1033 ], [
1034 AC_MSG_RESULT([no])
1035 ])
1036 ])
1037
1038 dnl Utility macro to avoid retyping includes all the time
1039 m4_define([FRR_INCLUDES],
1040 [#ifdef SUNOS_5
1041 #define _POSIX_C_SOURCE 200809L
1042 #define __EXTENSIONS__
1043 #endif
1044 #include <stdio.h>
1045 #include <stdlib.h>
1046 #include <stddef.h>
1047 #include <sys/types.h>
1048 /* sys/conf.h depends on param.h on FBSD at least */
1049 #include <sys/param.h>
1050 /* Required for MAXSIG */
1051 #include <signal.h>
1052 #include <sys/socket.h>
1053 #ifdef __APPLE__
1054 # define __APPLE_USE_RFC_3542
1055 #endif
1056 #include <netinet/in.h>
1057 #include <sys/time.h>
1058 #include <time.h>
1059 #include <net/if.h>
1060 ])dnl
1061
1062 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1063 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1064 dnl an additional round for it.
1065
1066 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1067
1068 m4_define([FRR_INCLUDES],
1069 FRR_INCLUDES
1070 [#ifdef HAVE_NET_IF_VAR_H
1071 # include <net/if_var.h>
1072 #endif
1073 ])dnl
1074
1075 AC_CHECK_HEADERS([netinet/in_var.h \
1076 net/if_dl.h net/netopt.h \
1077 inet/nd.h netinet/ip_icmp.h \
1078 sys/sysctl.h sys/sockio.h sys/conf.h],
1079 [], [], [FRR_INCLUDES])
1080
1081 AC_CHECK_HEADERS([ucontext.h], [], [],
1082 [#ifndef __USE_GNU
1083 #define __USE_GNU
1084 #endif /* __USE_GNU */
1085 FRR_INCLUDES
1086 ])
1087
1088 m4_define([UCONTEXT_INCLUDES],
1089 [#include <ucontext.h>])dnl
1090
1091 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1092 [], [], [UCONTEXT_INCLUDES])
1093 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1094 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1095 [], [], [UCONTEXT_INCLUDES])],
1096 [], [UCONTEXT_INCLUDES])
1097 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1098 [], [], [UCONTEXT_INCLUDES])
1099
1100 m4_define([FRR_INCLUDES],
1101 FRR_INCLUDES
1102 [
1103 #include <sys/un.h>
1104 #include <netinet/in_systm.h>
1105 #ifdef HAVE_NETINET_IN_VAR_H
1106 # include <netinet/in_var.h>
1107 #endif
1108 #ifdef HAVE_NET_IF_DL_H
1109 # include <net/if_dl.h>
1110 #endif
1111 #ifdef HAVE_NET_NETOPT_H
1112 # include <net/netopt.h>
1113 #endif
1114 #include <net/route.h>
1115 #ifdef HAVE_INET_ND_H
1116 # include <inet/nd.h>
1117 #endif
1118 #include <arpa/inet.h>
1119 /* Required for IDRP */
1120 #ifdef HAVE_NETINET_IP_ICMP_H
1121 # include <netinet/ip_icmp.h>
1122 #endif
1123 ])dnl
1124
1125 dnl V6 headers are checked below, after we check for v6
1126
1127 is_linux=false
1128
1129 AC_MSG_CHECKING([which operating system interface to use])
1130 case "$host_os" in
1131 sunos* | solaris2*)
1132 AC_MSG_RESULT([Solaris])
1133
1134 AC_DEFINE([SUNOS_5], [1], [SunOS 5])
1135 AC_DEFINE([SOLARIS_IPV6], [1], Solaris IPv6)
1136 AC_DEFINE([_POSIX_C_SOURCE], [200809L], [enable POSIX.1-2008 and XPG7/SUSv4])
1137
1138 AC_CHECK_LIB([socket], [main])
1139 AC_CHECK_LIB([nsl], [main])
1140 AC_CHECK_LIB([umem], [main])
1141 SOLARIS="solaris"
1142 AC_MSG_WARN([--Solaris support is being considered for deprecation, please let us know if you are still using this--])
1143 ;;
1144 linux*)
1145 AC_MSG_RESULT([Linux])
1146
1147 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1148 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1149 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1150
1151 dnl Linux has a compilation problem with mixing
1152 dnl netinet/in.h and linux/in6.h they are not
1153 dnl compatible. There has been discussion on
1154 dnl how to fix it but no real progress on implementation
1155 dnl when they fix it, remove this
1156 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1157
1158 is_linux=true
1159 ;;
1160 openbsd*)
1161 AC_MSG_RESULT([OpenBSD])
1162
1163 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1164 AC_DEFINE([KAME], [1], [KAME IPv6])
1165 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1166 ;;
1167 *)
1168 AC_MSG_RESULT([BSD])
1169
1170 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1171 AC_DEFINE([KAME], [1], [KAME IPv6])
1172 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1173 ;;
1174 esac
1175 AM_CONDITIONAL([SOLARIS], [test "$SOLARIS" = "solaris"])
1176 AM_CONDITIONAL([LINUX], [${is_linux}])
1177
1178 AC_SYS_LARGEFILE
1179
1180 dnl ------------------------
1181 dnl Integrated REALMS option
1182 dnl ------------------------
1183 if test "$enable_realms" = "yes"; then
1184 case "$host_os" in
1185 linux*)
1186 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1187 ;;
1188 *)
1189 echo "Sorry, only Linux has REALMS support"
1190 exit 1
1191 ;;
1192 esac
1193 fi
1194
1195 dnl -------------------------------
1196 dnl Endian-ness check
1197 dnl -------------------------------
1198 AC_WORDS_BIGENDIAN
1199
1200 dnl ---------------
1201 dnl other functions
1202 dnl ---------------
1203 AC_CHECK_FUNCS([ \
1204 strlcat strlcpy \
1205 getgrouplist])
1206
1207 dnl ##########################################################################
1208 dnl LARGE if block spans a lot of "configure"!
1209 if test "$enable_clippy_only" != "yes"; then
1210 dnl ##########################################################################
1211
1212 #
1213 # Logic for protobuf support.
1214 #
1215 PROTO3=false
1216 if test "$enable_protobuf" = "yes"; then
1217 # Check for protoc & protoc-c
1218
1219 # protoc is not required, it's only for a "be nice" helper target
1220 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1221
1222 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
1223 if test "$PROTOC_C" = "/bin/false"; then
1224 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
1225 fi
1226
1227 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
1228 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
1229 ])
1230
1231 PROTO3=true
1232 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h],
1233 [AC_CHECK_DECLS(PROTOBUF_C_LABEL_NONE,
1234 AC_DEFINE([HAVE_PROTOBUF_VERSION_3],
1235 [1], [Have Protobuf version 3]),
1236 [PROTO3=false],
1237 [#include <google/protobuf-c/protobuf-c.h>])],
1238 [PROTO3=false && AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])])
1239
1240 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
1241 fi
1242
1243
1244 dnl ---------------------
1245 dnl Integrated VTY option
1246 dnl ---------------------
1247 case "${enable_vtysh}" in
1248 "no")
1249 VTYSH="";;
1250 *)
1251 VTYSH="vtysh";
1252 AC_DEFINE([VTYSH], [1], [VTY shell])
1253
1254 prev_libs="$LIBS"
1255 AC_CHECK_LIB([readline], [main], [
1256 LIBREADLINE="-lreadline"
1257 ], [
1258 dnl readline failed - it might be incorrectly linked and missing its
1259 dnl termcap/tinfo/curses dependency. see if we can fix that...
1260 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1261 LIBREADLINE="$ac_cv_search_tputs"
1262 ], [
1263 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1264 ])
1265
1266 dnl re-try with the lib we found above
1267 unset ac_cv_lib_readline_main
1268 AC_CHECK_LIB([readline], [main], [
1269 LIBREADLINE="-lreadline $LIBREADLINE"
1270 ], [
1271 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1272 ], [$LIBREADLINE])
1273 ], [])
1274 LIBS="$prev_libs"
1275
1276 AC_CHECK_HEADER([readline/history.h])
1277 if test "$ac_cv_header_readline_history_h" = "no"; then
1278 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1279 fi
1280 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1281 if test "$ac_cv_lib_readline_rl_completion_matches" = "no"; then
1282 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1283 fi
1284 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1285 if test "$frr_cv_append_history" = "yes"; then
1286 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1287 fi
1288 ;;
1289 esac
1290 AC_SUBST([LIBREADLINE])
1291
1292 dnl ----------
1293 dnl PAM module
1294 dnl
1295 dnl FRR detects the PAM library it is built against by checking for a
1296 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1297 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1298 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1299 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1300 dnl of OpenPAM.
1301 dnl ----------
1302 if test "$with_libpam" = "yes"; then
1303 AC_CHECK_HEADER([security/pam_misc.h],
1304 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1305 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1306 pam_conv_func="misc_conv"
1307 ],
1308 [], FRR_INCLUDES)
1309 AC_CHECK_HEADER([security/openpam.h],
1310 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1311 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1312 pam_conv_func="openpam_ttyconv"
1313 ],
1314 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1315 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1316 AC_MSG_WARN([*** pam support will not be built ***])
1317 with_libpam="no"
1318 fi
1319 fi
1320
1321 if test "$with_libpam" = "yes"; then
1322 dnl took this test from proftpds configure.in and suited to our needs
1323 dnl -------------------------------------------------------------------------
1324 dnl
1325 dnl This next check looks funky due to a linker problem with some versions
1326 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1327 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1328 dnl with RedHat 6.2 and Debian 2.2 or better.
1329 AC_CHECK_LIB([pam], [pam_start],
1330 [AC_CHECK_LIB([pam], [$pam_conv_func],
1331 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1332 LIBPAM="-lpam"],
1333 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1334 LIBPAM="-lpam -lpam_misc"]
1335 )
1336 ],
1337
1338 [AC_CHECK_LIB([pam], [pam_end],
1339 [AC_CHECK_LIB([pam], [$pam_conv_func],
1340 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1341 LIBPAM="-lpam -ldl"],
1342 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1343 LIBPAM="-lpam -ldl -lpam_misc"]
1344 )
1345 ],AC_MSG_WARN([*** pam support will not be built ***]),
1346 [-ldl])
1347 ]
1348 )
1349 fi
1350 AC_SUBST([LIBPAM])
1351
1352 dnl -------------------------------
1353 dnl bgpd needs pow() and hence libm
1354 dnl -------------------------------
1355 TMPLIBS="$LIBS"
1356 LIBS=""
1357 AC_SEARCH_LIBS([pow], [m], [
1358 LIBM="$LIBS"
1359 ], [
1360 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1361 ])
1362 LIBS="$TMPLIBS"
1363 AC_SUBST([LIBM])
1364
1365 AC_CHECK_FUNCS([ppoll], [
1366 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1367 ])
1368 AC_CHECK_FUNCS([pollts], [
1369 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1370 ])
1371
1372 AC_CHECK_HEADER([asm-generic/unistd.h],
1373 [AC_CHECK_DECL(__NR_setns,
1374 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1375 FRR_INCLUDES [#include <asm-generic/unistd.h>
1376 ])
1377 AC_CHECK_FUNCS([setns])]
1378 )
1379
1380 dnl --------------------------
1381 dnl Determine IS-IS I/O method
1382 dnl --------------------------
1383 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1384 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1385 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1386 AC_CHECK_HEADER([net/bpf.h])
1387 AC_CHECK_HEADER([sys/dlpi.h])
1388 AC_MSG_CHECKING([zebra IS-IS I/O method])
1389
1390 case "$host_os" in
1391 linux*)
1392 AC_MSG_RESULT([pfpacket])
1393 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1394 ;;
1395 solaris* | sunos*)
1396 AC_MSG_RESULT([DLPI])
1397 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1398 ;;
1399 *)
1400 if test "$ac_cv_header_net_bpf_h" = "no"; then
1401 if test "$ac_cv_header_sys_dlpi_h" = "no"; then
1402 AC_MSG_RESULT([none])
1403 if test "$enable_isisd" = "yes" -o "$enable_fabricd" = "yes"; then
1404 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1405 fi
1406 AC_MSG_WARN([*** IS-IS support will not be built ***])
1407 enable_isisd="no"
1408 enable_fabricd="no"
1409 else
1410 AC_MSG_RESULT([DLPI])
1411 fi
1412 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1413 else
1414 AC_MSG_RESULT([BPF])
1415 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1416 fi
1417 ;;
1418 esac
1419 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1420
1421 dnl ---------------------------------------------------------------
1422 dnl figure out how to specify an interface in multicast sockets API
1423 dnl ---------------------------------------------------------------
1424 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1425
1426 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1427 #include <sys/socket.h>
1428 #include <netinet/in.h>
1429 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1430 #include <linux/types.h>
1431 ])
1432
1433 m4_define([FRR_INCLUDES],
1434 FRR_INCLUDES
1435 [#ifdef HAVE_LINUX_MROUTE_H
1436 # include <linux/mroute.h>
1437 #endif
1438 ])dnl
1439
1440 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1441 #include <sys/socket.h>
1442 #include <sys/types.h>
1443 #include <netinet/in.h>
1444 #include <net/route.h>
1445 ])
1446
1447 m4_define([FRR_INCLUDES],
1448 FRR_INCLUDES
1449 [#ifdef HAVE_NETINET_IP_MROUTE_H
1450 # include <netinet/ip_mroute.h>
1451 #endif
1452 ])dnl
1453
1454 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1455 AC_TRY_COMPILE([#include <sys/param.h>],
1456 [#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)
1457 return (0);
1458 #else
1459 #error No support for BSD struct ip_mreq hack detected
1460 #endif],[AC_MSG_RESULT([yes])
1461 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1462 AC_MSG_RESULT([no]))
1463
1464 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1465 AC_TRY_COMPILE([
1466 #include <sys/types.h>
1467 #include <netinet/in.h>
1468 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1469 ], [AC_MSG_RESULT([yes])
1470 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1471 AC_MSG_RESULT([no]))
1472
1473 dnl ---------------------------------------------------------------
1474 dnl figure out how to check link-state
1475 dnl ---------------------------------------------------------------
1476 AC_CHECK_HEADER([net/if_media.h],
1477 [m4_define([LINK_DETECT_INCLUDES],
1478 FRR_INCLUDES
1479 [#include <net/if_media.h>
1480 ])
1481 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1482 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1483 [], LINK_DETECT_INCLUDES)],
1484 [],
1485 FRR_INCLUDES)
1486
1487 dnl ---------------------------------------------------------------
1488 dnl Additional, newer way to check link-state using ifi_link_state.
1489 dnl Not available in all BSD's when ifmediareq available
1490 dnl ---------------------------------------------------------------
1491 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1492 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1493 [], FRR_INCLUDES)
1494
1495 dnl ------------------------
1496 dnl TCP_MD5SIG socket option
1497 dnl ------------------------
1498
1499 AC_CHECK_HEADER([netinet/tcp.h],
1500 [m4_define([MD5_INCLUDES],
1501 FRR_INCLUDES
1502 [#include <netinet/tcp.h>
1503 ])
1504 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1505 [],
1506 FRR_INCLUDES)
1507 if test "$ac_cv_have_decl_TCP_MD5SIG" = "no"; then
1508 AC_CHECK_HEADER([linux/tcp.h],
1509 [m4_define([MD5_INCLUDES],
1510 FRR_INCLUDES
1511 [#include <linux/tcp.h>
1512 ])
1513 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1514 fi
1515
1516 AC_SUBST([SOLARIS])
1517 AC_CHECK_LIB([crypt], [crypt], [],
1518 [AC_CHECK_LIB([crypto], [DES_crypt])])
1519 AC_CHECK_LIB([resolv], [res_init])
1520
1521 dnl ---------------------------
1522 dnl check system has PCRE regexp
1523 dnl ---------------------------
1524 if test "$enable_pcreposix" = "yes"; then
1525 AC_CHECK_LIB([pcreposix], [regexec], [], [
1526 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1527 ])
1528 fi
1529 AC_SUBST([HAVE_LIBPCREPOSIX])
1530
1531 dnl ##########################################################################
1532 dnl test "$enable_clippy_only" != "yes"
1533 fi
1534 dnl END OF LARGE if block
1535 dnl ##########################################################################
1536
1537 dnl ------------------
1538 dnl check C-Ares library
1539 dnl ------------------
1540 PKG_CHECK_MODULES([CARES], [libcares], [
1541 c_ares_found=true
1542 ],[
1543 c_ares_found=false
1544 ])
1545 AM_CONDITIONAL([CARES], [$c_ares_found])
1546
1547
1548 dnl ----------------------------------------------------------------------------
1549 dnl figure out if domainname is available in the utsname struct (GNU extension).
1550 dnl ----------------------------------------------------------------------------
1551 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1552
1553 dnl ------------------
1554 dnl IPv6 header checks
1555 dnl ------------------
1556 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1557 netinet6/in6_var.h netinet6/nd6.h], [], [],
1558 FRR_INCLUDES)
1559
1560 m4_define([FRR_INCLUDES],dnl
1561 FRR_INCLUDES
1562 [#ifdef HAVE_NETINET6_IN6_H
1563 #include <netinet6/in6.h>
1564 #endif
1565 #ifdef HAVE_NETINET_IN6_VAR_H
1566 #include <netinet/in6_var.h>
1567 #endif
1568 #include <netinet/icmp6.h>
1569 #ifdef HAVE_NETINET6_IN6_VAR_H
1570 # include <netinet6/in6_var.h>
1571 #endif
1572 #ifdef HAVE_NETINET6_ND6_H
1573 # include <netinet6/nd6.h>
1574 #endif
1575 ])dnl
1576
1577 dnl --------------------
1578 dnl Daemon disable check
1579 dnl --------------------
1580
1581 AS_IF([test "$enable_ldpd" != "no"], [
1582 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1583 ])
1584
1585 if test "$enable_bfdd" = "no"; then
1586 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1587 BFDD=""
1588 else
1589 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1590 BFDD="bfdd"
1591
1592 case $host_os in
1593 linux*)
1594 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1595 ;;
1596
1597 *)
1598 AC_DEFINE([BFD_BSD], [1], [bfdd])
1599 ;;
1600 esac
1601 fi
1602
1603 if test "$ac_cv_lib_json_c_json_object_get" = "no" -a "$BFDD" = "bfdd"; then
1604 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1605 fi
1606
1607 NHRPD=""
1608 case "$host_os" in
1609 linux*)
1610 case "${enable_nhrpd}" in
1611 no)
1612 ;;
1613 yes)
1614 if test "$enable_clippy_only" != "yes"; then
1615 if test "$c_ares_found" != "true" ; then
1616 AC_MSG_ERROR([nhrpd requires libcares. Please install c-ares and its -dev headers.])
1617 fi
1618 fi
1619 NHRPD="nhrpd"
1620 ;;
1621 *)
1622 if test "$c_ares_found" = "true" ; then
1623 NHRPD="nhrpd"
1624 fi
1625 ;;
1626 esac
1627 ;;
1628 *)
1629 if test "$enable_nhrpd" = "yes"; then
1630 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1631 fi
1632 ;;
1633 esac
1634
1635 if test "$enable_watchfrr" = "no";then
1636 WATCHFRR=""
1637 else
1638 WATCHFRR="watchfrr"
1639 fi
1640
1641 OSPFCLIENT=""
1642 if test "$enable_ospfapi" != "no";then
1643 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1644
1645 if test "$enable_ospfclient" != "no";then
1646 OSPFCLIENT="ospfclient"
1647 fi
1648 fi
1649
1650 if test "$enable_bgp_announce" = "no";then
1651 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1652 else
1653 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1654 fi
1655
1656 if test "$enable_bgp_vnc" != "no";then
1657 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1658 fi
1659
1660 bgpd_bmp=false
1661 case "${enable_bmp}" in
1662 no)
1663 ;;
1664 yes)
1665 if test "$c_ares_found" != "true" ; then
1666 AC_MSG_ERROR([BMP support requires libcares. Please install c-ares and its -dev headers.])
1667 fi
1668 bgpd_bmp=true
1669 ;;
1670 *)
1671 if test "$c_ares_found" = "true" ; then
1672 bgpd_bmp=true
1673 fi
1674 ;;
1675 esac
1676
1677 dnl ##########################################################################
1678 dnl LARGE if block
1679 if test "$enable_clippy_only" != "yes"; then
1680 dnl ##########################################################################
1681
1682 dnl ------------------
1683 dnl check Net-SNMP library
1684 dnl ------------------
1685 if test "$enable_snmp" != "" -a "$enable_snmp" != "no"; then
1686 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1687 if test "$NETSNMP_CONFIG" = "no"; then
1688 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1689 fi
1690 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1691 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1692 # net-snmp lists all of its own dependencies. we absolutely do not want that
1693 # among other things we avoid a GPL vs. OpenSSL license conflict here
1694 for removelib in crypto ssl sensors pci wrap; do
1695 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1696 done
1697 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1698 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1699 int main(void);
1700 ],
1701 [
1702 {
1703 return 0;
1704 }
1705 ])], [
1706 AC_MSG_RESULT([no])
1707 AC_MSG_ERROR([--enable-snmp given but not usable])])
1708 case "${enable_snmp}" in
1709 yes)
1710 SNMP_METHOD=agentx
1711 ;;
1712 agentx)
1713 SNMP_METHOD="${enable_snmp}"
1714 ;;
1715 *)
1716 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1717 ;;
1718 esac
1719 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1720 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1721 fi
1722 AC_SUBST([SNMP_LIBS])
1723 AC_SUBST([SNMP_CFLAGS])
1724
1725 dnl ---------------
1726 dnl libyang
1727 dnl ---------------
1728 PKG_CHECK_MODULES([LIBYANG], [libyang >= 0.16.105], , [
1729 AC_MSG_ERROR([libyang (>= 0.16.105) was not found on your system.])
1730 ])
1731 ac_cflags_save="$CFLAGS"
1732 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1733 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1734 AC_MSG_ERROR([m4_normalize([
1735 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1736 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1737 ])
1738 ], [[#include <libyang/libyang.h>]])
1739 CFLAGS="$ac_cflags_save"
1740
1741 dnl ---------------
1742 dnl configuration rollbacks
1743 dnl ---------------
1744 SQLITE3=false
1745 if test "$enable_config_rollbacks" = "yes"; then
1746 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1747 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1748 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1749 SQLITE3=true
1750 ], [
1751 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1752 ])
1753 fi
1754
1755 dnl ---------------
1756 dnl confd
1757 dnl ---------------
1758 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1759 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1760 if test "$CONFD" = "/bin/false"; then
1761 AC_MSG_ERROR([confd was not found on your system.])]
1762 fi
1763 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1764 AC_SUBST([CONFD_CFLAGS])
1765 CONFD_LIBS="-lconfd"
1766 AC_SUBST([CONFD_LIBS])
1767 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1768 fi
1769
1770 dnl ---------------
1771 dnl sysrepo
1772 dnl ---------------
1773 if test "$enable_sysrepo" = "yes"; then
1774 PKG_CHECK_MODULES([SYSREPO], [libsysrepo],
1775 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1776 SYSREPO=true],
1777 [SYSREPO=false
1778 AC_MSG_ERROR([sysrepo was not found on your system.])]
1779 )
1780 fi
1781
1782 dnl ---------------
1783 dnl gRPC
1784 dnl ---------------
1785 if test "$enable_grpc" = "yes"; then
1786 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1787 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1788 if test "$PROTOC" = "/bin/false"; then
1789 AC_MSG_FAILURE([grpc requested but protoc not found.])
1790 fi
1791
1792 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1793 GRPC=true
1794 ], [
1795 GRPC=false
1796 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1797 ])
1798 fi
1799
1800 dnl ------
1801 dnl ZeroMQ
1802 dnl ------
1803 if test "$enable_zeromq" != "no"; then
1804 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
1805 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
1806 ZEROMQ=true
1807 ], [
1808 if test "$enable_zeromq" = "yes"; then
1809 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1810 fi
1811 ])
1812 fi
1813
1814 dnl ------------------------------------
1815 dnl Enable RPKI and add librtr to libs
1816 dnl ------------------------------------
1817 if test "$enable_rpki" = "yes"; then
1818 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
1819 [RPKI=true],
1820 [RPKI=false
1821 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1822 )
1823 fi
1824
1825 dnl ------------------------------------
1826 dnl pimd is not supported on OpenBSD and MacOS
1827 dnl ------------------------------------
1828 if test "$enable_pimd" != "no"; then
1829 AC_MSG_CHECKING([for pimd OS support])
1830 case "$host_os" in
1831 darwin*)
1832 AC_MSG_RESULT([no])
1833 enable_pimd="no"
1834 ;;
1835 openbsd*)
1836 AC_MSG_RESULT([no])
1837 enable_pimd="no"
1838 ;;
1839 *)
1840 AC_MSG_RESULT([yes])
1841 ;;
1842 esac
1843 fi
1844
1845 dnl -------------------------------------
1846 dnl VRRP is only supported on linux
1847 dnl -------------------------------------
1848 if test "$enable_vrrpd" != "no"; then
1849 AC_MSG_CHECKING([for VRRP OS support])
1850 case "$host_os" in
1851 linux*)
1852 AC_MSG_RESULT([yes])
1853 ;;
1854 *)
1855 AC_MSG_RESULT([no])
1856 enable_vrrpd="no"
1857 ;;
1858 esac
1859 fi
1860
1861 dnl ------------------------------------------
1862 dnl Check whether rtrlib was build with ssh support
1863 dnl ------------------------------------------
1864 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1865 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1866 [[struct tr_ssh_config config;]])],
1867 [AC_MSG_RESULT([yes])
1868 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
1869 AC_MSG_RESULT([no])
1870 )
1871
1872 dnl ---------------
1873 dnl dlopen & dlinfo
1874 dnl ---------------
1875 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
1876 AC_MSG_ERROR([unable to find the dlopen()])
1877 ])
1878
1879 AC_CHECK_HEADERS([link.h])
1880
1881 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
1882 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1883 #include <stdlib.h>
1884 #ifdef HAVE_LINK_H
1885 #include <link.h>
1886 #endif
1887 #include <dlfcn.h>
1888 ]], [[
1889 char origin[1];
1890 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1891 ]])], [
1892 frr_cv_rtld_di_origin=yes
1893 ], [
1894 frr_cv_rtld_di_origin=no
1895 ])
1896 ])
1897 if test "$frr_cv_rtld_di_origin" = "yes"; then
1898 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
1899 fi
1900
1901 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
1902 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1903 #include <stdlib.h>
1904 #ifdef HAVE_LINK_H
1905 #include <link.h>
1906 #endif
1907 #include <dlfcn.h>
1908 ]], [[
1909 struct link_map *lm = NULL;
1910 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1911 ]])], [
1912 frr_cv_rtld_di_linkmap=yes
1913 ], [
1914 frr_cv_rtld_di_linkmap=no
1915 ])
1916 ])
1917 if test "$frr_cv_rtld_di_linkmap" = "yes"; then
1918 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
1919 fi
1920
1921 dnl ##########################################################################
1922 dnl test "$enable_clippy_only" != "yes"
1923 fi
1924 dnl END OF LARGE if block
1925 dnl ##########################################################################
1926
1927 dnl ---------------------------
1928 dnl sockaddr and netinet checks
1929 dnl ---------------------------
1930 AC_CHECK_TYPES([
1931 struct sockaddr_dl,
1932 struct vifctl, struct mfcctl, struct sioc_sg_req,
1933 vifi_t, struct sioc_vif_req, struct igmpmsg,
1934 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1935 struct nd_opt_adv_interval,
1936 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
1937 struct nd_opt_rdnss, struct nd_opt_dnssl],
1938 [], [], FRR_INCLUDES)
1939
1940 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1941 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1942 struct sockaddr_dl.sdl_len,
1943 struct if6_aliasreq.ifra_lifetime,
1944 struct nd_opt_adv_interval.nd_opt_ai_type],
1945 [], [], FRR_INCLUDES)
1946
1947 dnl ---------------------------
1948 dnl IRDP/pktinfo/icmphdr checks
1949 dnl ---------------------------
1950
1951 AC_CHECK_TYPES([struct in_pktinfo], [
1952 AC_CHECK_TYPES([struct icmphdr], [
1953 IRDP=true
1954 ], [
1955 IRDP=false
1956 ], [FRR_INCLUDES])
1957 ], [
1958 IRDP=false
1959 ], [FRR_INCLUDES])
1960
1961 case "${enable_irdp}" in
1962 yes)
1963 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1964 ;;
1965 no)
1966 IRDP=false
1967 ;;
1968 esac
1969
1970
1971 dnl -----------------------
1972 dnl checking for IP_PKTINFO
1973 dnl -----------------------
1974 AC_MSG_CHECKING([for IP_PKTINFO])
1975 AC_TRY_COMPILE([#include <netdb.h>], [
1976 int opt = IP_PKTINFO;
1977 ], [
1978 AC_MSG_RESULT([yes])
1979 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
1980 ], [
1981 AC_MSG_RESULT([no])
1982 ])
1983
1984 dnl ---------------------------
1985 dnl checking for IP_RECVDSTADDR
1986 dnl ---------------------------
1987 AC_MSG_CHECKING([for IP_RECVDSTADDR])
1988 AC_TRY_COMPILE([#include <netinet/in.h>], [
1989 int opt = IP_RECVDSTADDR;
1990 ], [
1991 AC_MSG_RESULT([yes])
1992 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
1993 ], [
1994 AC_MSG_RESULT([no])
1995 ])
1996
1997 dnl ----------------------
1998 dnl checking for IP_RECVIF
1999 dnl ----------------------
2000 AC_MSG_CHECKING([for IP_RECVIF])
2001 AC_TRY_COMPILE([#include <netinet/in.h>], [
2002 int opt = IP_RECVIF;
2003 ], [
2004 AC_MSG_RESULT([yes])
2005 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
2006 ], [
2007 AC_MSG_RESULT([no])
2008 ])
2009
2010 dnl ----------------------
2011 dnl checking for SO_BINDANY
2012 dnl ----------------------
2013 AC_MSG_CHECKING([for SO_BINDANY])
2014 AC_TRY_COMPILE([#include <sys/socket.h>], [
2015 int opt = SO_BINDANY;
2016 ], [
2017 AC_MSG_RESULT([yes])
2018 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
2019 ], [
2020 AC_MSG_RESULT([no])
2021 ])
2022
2023 dnl ----------------------
2024 dnl checking for IP_FREEBIND
2025 dnl ----------------------
2026 AC_MSG_CHECKING([for IP_FREEBIND])
2027 AC_TRY_COMPILE([#include <netinet/in.h>], [
2028 int opt = IP_FREEBIND;
2029 ], [
2030 AC_MSG_RESULT([yes])
2031 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
2032 ], [
2033 AC_MSG_RESULT([no])
2034 ])
2035
2036 dnl --------------------------------------
2037 dnl checking for be32dec existence or not
2038 dnl --------------------------------------
2039 AC_CHECK_DECLS([be32enc, be32dec], [], [],
2040 [#include <sys/endian.h>])
2041
2042 dnl --------------------------------------
2043 dnl checking for clock_time monotonic struct and call
2044 dnl --------------------------------------
2045 AC_CHECK_DECL([CLOCK_MONOTONIC],
2046 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
2047 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
2048 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
2049
2050 AC_SEARCH_LIBS([clock_nanosleep], [rt], [
2051 AC_DEFINE([HAVE_CLOCK_NANOSLEEP], [1], [Have clock_nanosleep()])
2052 ])
2053
2054 dnl --------------------------------------
2055 dnl checking for flex and bison
2056 dnl --------------------------------------
2057
2058 AM_PROG_LEX
2059 AC_MSG_CHECKING([version of flex])
2060 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
2061 frr_ac_flex_version="${frr_ac_flex_version##* }"
2062 AC_MSG_RESULT([$frr_ac_flex_version])
2063 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
2064 LEX="$SHELL $missing_dir/missing flex"
2065 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
2066 AC_MSG_WARN([using pregenerated flex output files])
2067 else
2068 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
2069 fi
2070 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
2071 AC_SUBST([LEXLIB], [''])
2072 ])
2073
2074 AC_PROG_YACC
2075 dnl thanks GNU bison for this b*llshit...
2076 AC_MSG_CHECKING([version of bison])
2077 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
2078 frr_ac_bison_version="${frr_ac_bison_version##* }"
2079 frr_ac_bison_missing="false"
2080 case "x${frr_ac_bison_version}x" in
2081 x2.7*)
2082 BISON_OPENBRACE='"'
2083 BISON_CLOSEBRACE='"'
2084 BISON_VERBOSE=''
2085 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
2086 ;;
2087 x2.*|x1.*)
2088 AC_MSG_RESULT([$frr_ac_bison_version])
2089 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
2090 frr_ac_bison_missing="true"
2091 ;;
2092 x)
2093 AC_MSG_RESULT([none])
2094 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
2095 frr_ac_bison_missing="true"
2096 ;;
2097 x3.[012][^0-9]*)
2098 BISON_OPENBRACE='{'
2099 BISON_CLOSEBRACE='}'
2100 BISON_VERBOSE='-Dparse.error=verbose'
2101 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 to 3.2])
2102 ;;
2103 *)
2104 BISON_OPENBRACE='{'
2105 BISON_CLOSEBRACE='}'
2106 BISON_VERBOSE='-Dparse.error=verbose -Wno-yacc'
2107 AC_MSG_RESULT([$frr_ac_bison_version - 3.3 or newer])
2108 ;;
2109 esac
2110 AC_SUBST([BISON_OPENBRACE])
2111 AC_SUBST([BISON_CLOSEBRACE])
2112 AC_SUBST([BISON_VERBOSE])
2113
2114 if $frr_ac_bison_missing; then
2115 YACC="$SHELL $missing_dir/missing bison -y"
2116 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2117 AC_MSG_WARN([using pregenerated bison output files])
2118 else
2119 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2120 fi
2121 fi
2122
2123 dnl -------------------
2124 dnl capabilities checks
2125 dnl -------------------
2126 if test "$enable_capabilities" != "no"; then
2127 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2128 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2129 [AC_MSG_RESULT([yes])
2130 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2131 frr_ac_keepcaps="yes"],
2132 AC_MSG_RESULT([no])
2133 )
2134 if test "$frr_ac_keepcaps" = "yes"; then
2135 AC_CHECK_HEADERS([sys/capability.h])
2136 fi
2137 if test "$ac_cv_header_sys_capability_h" = "yes"; then
2138 AC_CHECK_LIB([cap], [cap_init],
2139 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2140 LIBCAP="-lcap"
2141 frr_ac_lcaps="yes"]
2142 )
2143 else
2144 AC_CHECK_HEADERS([priv.h],
2145 [AC_MSG_CHECKING([Solaris style privileges are available])
2146 AC_TRY_COMPILE([#include <priv.h>], [getpflags(PRIV_AWARE);],
2147 [AC_MSG_RESULT([yes])
2148 AC_DEFINE([HAVE_SOLARIS_CAPABILITIES], [1], [getpflags])
2149 frr_ac_scaps="yes"],
2150 AC_MSG_RESULT(no)
2151 )
2152 ]
2153 )
2154 fi
2155 if test "$frr_ac_scaps" = "yes" \
2156 -o "$frr_ac_lcaps" = "yes"; then
2157 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2158 fi
2159
2160 case "$host_os" in
2161 linux*)
2162 if test "$enable_clippy_only" != "yes"; then
2163 if test "$frr_ac_lcaps" != "yes"; then
2164 AC_MSG_ERROR([libcap and/or its headers were not found. Running FRR without libcap support built in causes a huge performance penalty.])
2165 fi
2166 fi
2167 ;;
2168 esac
2169 else
2170 case "$host_os" in
2171 linux*)
2172 AC_MSG_WARN([Running FRR without libcap support built in causes a huge performance penalty.])
2173 ;;
2174 esac
2175 fi
2176 AC_SUBST([LIBCAP])
2177
2178 dnl ---------------------------
2179 dnl check for glibc 'backtrace'
2180 dnl ---------------------------
2181 if test "$enable_backtrace" != "no" ; then
2182 backtrace_ok=no
2183 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2184 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2185 backtrace_ok=yes
2186 ], [
2187 true
2188 ])
2189
2190 if test "$backtrace_ok" = "no"; then
2191 AC_CHECK_HEADER([unwind.h], [
2192 AC_SEARCH_LIBS([unw_getcontext], [unwind], [
2193 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2194 backtrace_ok=yes
2195 ])
2196 ])
2197 fi
2198
2199 if test "$backtrace_ok" = "no"; then
2200 case "$host_os" in
2201 sunos* | solaris2*)
2202 AC_CHECK_FUNCS([printstack], [
2203 AC_DEFINE([HAVE_PRINTSTACK], [1], [Solaris printstack])
2204 backtrace_ok=yes
2205 ])
2206 ;;
2207 esac
2208 if test "$backtrace_ok" = "no"; then
2209 AC_CHECK_HEADER([execinfo.h], [
2210 AC_SEARCH_LIBS([backtrace], [execinfo], [
2211 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2212 backtrace_ok=yes
2213 ],, [-lm])
2214 ])
2215 fi
2216 fi
2217
2218 if test "$enable_backtrace" = "yes" -a "$backtrace_ok" = "no"; then
2219 dnl user explicitly requested backtrace but we failed to find support
2220 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2221 fi
2222 fi
2223
2224 dnl -----------------------------------------
2225 dnl check for malloc mallinfo struct and call
2226 dnl this must try and link using LIBS, in
2227 dnl order to check no alternative allocator
2228 dnl has been specified, which might not provide
2229 dnl mallinfo, e.g. such as Umem on Solaris.
2230 dnl -----------------------------------------
2231 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2232
2233 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2234 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2235 #ifdef HAVE_MALLOC_H
2236 #include <malloc.h>
2237 #endif
2238 #ifdef HAVE_MALLOC_NP_H
2239 #include <malloc_np.h>
2240 #endif
2241 #ifdef HAVE_MALLOC_MALLOC_H
2242 #include <malloc/malloc.h>
2243 #endif
2244 ]], [[
2245 struct mallinfo ac_x; ac_x = mallinfo ();
2246 ]])], [
2247 frr_cv_mallinfo=yes
2248 ], [
2249 frr_cv_mallinfo=no
2250 ])
2251 ])
2252 if test "$frr_cv_mallinfo" = "yes"; then
2253 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2254 fi
2255
2256 AC_MSG_CHECKING([whether malloc_usable_size is available])
2257 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2258 #ifdef HAVE_MALLOC_H
2259 #include <malloc.h>
2260 #endif
2261 #ifdef HAVE_MALLOC_MALLOC_H
2262 #include <malloc/malloc.h>
2263 #endif
2264 ]], [[
2265 size_t ac_x; ac_x = malloc_usable_size(NULL);
2266 ]])], [
2267 AC_MSG_RESULT([yes])
2268 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2269 ], [
2270 AC_MSG_RESULT([no])
2271
2272 AC_MSG_CHECKING([whether malloc_size is available])
2273 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2274 #ifdef HAVE_MALLOC_H
2275 #include <malloc.h>
2276 #endif
2277 #ifdef HAVE_MALLOC_MALLOC_H
2278 #include <malloc/malloc.h>
2279 #endif
2280 ]], [[
2281 size_t ac_x; ac_x = malloc_size(NULL);
2282 ]])], [
2283 AC_MSG_RESULT([yes])
2284 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2285 ], [
2286 AC_MSG_RESULT([no])
2287 ])
2288 ])
2289
2290 dnl ----------
2291 dnl configure date
2292 dnl ----------
2293 dev_version=`echo $VERSION | grep dev`
2294 #don't expire deprecated code in non 'dev' branch
2295 if test "$dev_version" = ""; then
2296 CONFDATE=0
2297 else
2298 CONFDATE=`date '+%Y%m%d'`
2299 fi
2300 AC_SUBST([CONFDATE])
2301
2302 dnl ------------------------------
2303 dnl set paths for state directory
2304 dnl ------------------------------
2305 AC_MSG_CHECKING([directory to use for state file])
2306 if test "$prefix" = "NONE"; then
2307 frr_statedir_prefix="";
2308 else
2309 frr_statedir_prefix=${prefix}
2310 fi
2311 if test "$localstatedir" = '${prefix}/var'; then
2312 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2313 ${frr_statedir_prefix}/var/adm dnl
2314 ${frr_statedir_prefix}/etc dnl
2315 /var/run dnl
2316 /var/adm dnl
2317 /etc dnl
2318 /dev/null;
2319 do
2320 test -d $FRR_STATE_DIR && break
2321 done
2322 frr_statedir=$FRR_STATE_DIR
2323 else
2324 frr_statedir=${localstatedir}
2325 fi
2326 if test "$frr_statedir" = "/dev/null"; then
2327 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2328 fi
2329 AC_MSG_RESULT([${frr_statedir}])
2330 AC_SUBST([frr_statedir])
2331
2332 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir%s%s/ldpd.sock"], [ldpd control socket])
2333 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir%s%s/zserv.api"], [zebra api socket])
2334 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir%s%s/bfdd.sock"], [bfdd control socket])
2335 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir%s%s"], [daemon vty directory])
2336 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2337
2338 dnl autoconf does this, but it does it too late...
2339 test "$prefix" = "NONE" && prefix=$ac_default_prefix
2340 test "$exec_prefix" = "NONE" && exec_prefix='${prefix}'
2341
2342 dnl get the full path, recursing through variables...
2343 vtysh_bin="$bindir/vtysh"
2344 for I in 1 2 3 4 5 6 7 8 9 10; do
2345 eval vtysh_bin="\"$vtysh_bin\""
2346 done
2347 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2348 AC_SUBST([vtysh_bin])
2349
2350 CFG_SYSCONF="$sysconfdir"
2351 CFG_SBIN="$sbindir"
2352 CFG_STATE="$frr_statedir"
2353 CFG_MODULE="$moduledir"
2354 CFG_YANGMODELS="$yangmodelsdir"
2355 for I in 1 2 3 4 5 6 7 8 9 10; do
2356 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2357 eval CFG_SBIN="\"$CFG_SBIN\""
2358 eval CFG_STATE="\"$CFG_STATE\""
2359 eval CFG_MODULE="\"$CFG_MODULE\""
2360 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2361 done
2362 AC_SUBST([CFG_SYSCONF])
2363 AC_SUBST([CFG_SBIN])
2364 AC_SUBST([CFG_STATE])
2365 AC_SUBST([CFG_MODULE])
2366 AC_SUBST([CFG_YANGMODELS])
2367 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2368 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2369 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2370
2371 dnl various features
2372 AM_CONDITIONAL([SUPPORT_REALMS], [test "$enable_realms" = "yes"])
2373 AM_CONDITIONAL([ENABLE_BGP_VNC], [test "$enable_bgp_vnc" != "no"])
2374 AM_CONDITIONAL([BGP_BMP], [$bgpd_bmp])
2375 dnl northbound
2376 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
2377 AM_CONDITIONAL([CONFD], [test "$enable_confd" != ""])
2378 AM_CONDITIONAL([SYSREPO], [test "$enable_sysrepo" = "yes"])
2379 AM_CONDITIONAL([GRPC], [test "$enable_grpc" = "yes"])
2380 AM_CONDITIONAL([ZEROMQ], [test "$ZEROMQ" = "true"])
2381 dnl plugins
2382 AM_CONDITIONAL([RPKI], [test "$RPKI" = "true"])
2383 AM_CONDITIONAL([SNMP], [test "$SNMP_METHOD" = "agentx"])
2384 AM_CONDITIONAL([IRDP], [$IRDP])
2385 AM_CONDITIONAL([FPM], [test "$enable_fpm" = "yes"])
2386 AM_CONDITIONAL([HAVE_PROTOBUF], [test "$enable_protobuf" = "yes"])
2387 AM_CONDITIONAL([HAVE_PROTOBUF3], [$PROTO3])
2388 dnl daemons
2389 AM_CONDITIONAL([VTYSH], [test "$VTYSH" = "vtysh"])
2390 AM_CONDITIONAL([ZEBRA], [test "$enable_zebra" != "no"])
2391 AM_CONDITIONAL([BGPD], [test "$enable_bgpd" != "no"])
2392 AM_CONDITIONAL([RIPD], [test "$enable_ripd" != "no"])
2393 AM_CONDITIONAL([OSPFD], [test "$enable_ospfd" != "no"])
2394 AM_CONDITIONAL([LDPD], [test "$enable_ldpd" != "no"])
2395 AM_CONDITIONAL([BFDD], [test "$BFDD" = "bfdd"])
2396 AM_CONDITIONAL([NHRPD], [test "$NHRPD" = "nhrpd"])
2397 AM_CONDITIONAL([EIGRPD], [test "$enable_eigrpd" != "no"])
2398 AM_CONDITIONAL([WATCHFRR], [test "$WATCHFRR" = "watchfrr"])
2399 AM_CONDITIONAL([OSPFCLIENT], [test "$OSPFCLIENT" = "ospfclient"])
2400 AM_CONDITIONAL([RIPNGD], [test "$enable_ripngd" != "no"])
2401 AM_CONDITIONAL([BABELD], [test "$enable_babeld" != "no"])
2402 AM_CONDITIONAL([OSPF6D], [test "$enable_ospf6d" != "no"])
2403 AM_CONDITIONAL([ISISD], [test "$enable_isisd" != "no"])
2404 AM_CONDITIONAL([PIMD], [test "$enable_pimd" != "no"])
2405 AM_CONDITIONAL([PBRD], [test "$enable_pbrd" != "no"])
2406 AM_CONDITIONAL([SHARPD], [test "$enable_sharpd" = "yes"])
2407 AM_CONDITIONAL([STATICD], [test "$enable_staticd" != "no"])
2408 AM_CONDITIONAL([FABRICD], [test "$enable_fabricd" != "no"])
2409 AM_CONDITIONAL([VRRPD], [test "$enable_vrrpd" != "no"])
2410
2411 AC_CONFIG_FILES([Makefile],[sed -e 's/^#AUTODERP# //' -i Makefile])
2412
2413 AC_CONFIG_FILES([
2414 config.version
2415 changelog-auto
2416 redhat/frr.spec
2417 solaris/Makefile
2418 alpine/APKBUILD
2419 snapcraft/snapcraft.yaml
2420 lib/version.h
2421 tests/lib/cli/test_cli.refout
2422 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2423 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2424 pkgsrc/eigrpd.sh])
2425
2426 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2427 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2428 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2429 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2430 AC_CONFIG_FILES([tools/frrcommon.sh])
2431
2432 AC_CONFIG_COMMANDS([lib/route_types.h], [
2433 dst="${ac_abs_top_builddir}/lib/route_types.h"
2434 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
2435 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
2436 > "${dst}.tmp"
2437 test -f "$dst" \
2438 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2439 && rm "${dst}.tmp" \
2440 || mv "${dst}.tmp" "${dst}"
2441 ], [
2442 PERL="$PERL"
2443 ])
2444
2445 AS_IF([test "$with_pkg_git_version" = "yes"], [
2446 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2447 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2448 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2449 "${ac_abs_top_srcdir}" \
2450 > "${dst}.tmp"
2451 test -f "$dst" \
2452 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2453 && rm "${dst}.tmp" \
2454 || mv "${dst}.tmp" "${dst}"
2455 ], [
2456 PERL="$PERL"
2457 ])
2458 ])
2459
2460 ## Hack, but working solution to avoid rebuilding of frr.info.
2461 ## It's already in CVS until texinfo 4.7 is more common.
2462 AC_OUTPUT
2463
2464 echo "
2465 FRRouting configuration
2466 ------------------------------
2467 FRR version : ${PACKAGE_VERSION}
2468 host operating system : ${host_os}
2469 source code location : ${srcdir}
2470 compiler : ${CC}
2471 compiler flags : ${CFLAGS} ${SAN_FLAGS}
2472 make : ${MAKE-make}
2473 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2474 state file directory : ${frr_statedir}
2475 config file directory : `eval echo \`echo ${sysconfdir}\``
2476 example directory : `eval echo \`echo ${exampledir}\``
2477 module directory : ${CFG_MODULE}
2478 user to run as : ${enable_user}
2479 group to run as : ${enable_group}
2480 group for vty sockets : ${enable_vty_group}
2481 config file mask : ${enable_configfile_mask}
2482 log file mask : ${enable_logfile_mask}
2483 zebra protobuf enabled : ${enable_protobuf:-no}
2484
2485 The above user and group must have read/write access to the state file
2486 directory and to the config files in the config file directory."
2487
2488 if test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" = "false"; then
2489 AC_MSG_WARN([sphinx is missing but required to build documentation])
2490 fi
2491 if test "$frr_py_mod_pytest" = "false"; then
2492 AC_MSG_WARN([pytest is missing, unit tests cannot be performed])
2493 fi