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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], [7.7-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 $ac_configure_args | sed -e \"s% '[[A-Z]]*FLAGS=[[^']]\+'%%g\"`"
17 AC_SUBST([CONFIG_ARGS])
18
19 AC_CONFIG_SRCDIR([lib/zebra.h])
20 AC_CONFIG_MACRO_DIR([m4])
21 AC_CONFIG_AUX_DIR([m4/ac])
22
23 dnl -----------------------------------
24 dnl Get hostname and other information.
25 dnl -----------------------------------
26 AC_CANONICAL_BUILD()
27 AC_CANONICAL_HOST()
28
29 AC_ARG_VAR([AR],[archiver command])
30 AC_ARG_VAR([LD],[linker command])
31 AC_ARG_VAR([OBJCOPY],[objcopy command])
32 AC_ARG_VAR([OBJDUMP],[objdump command])
33 AC_ARG_VAR([RANLIB],[ranlib command])
34 AC_ARG_VAR([STRIP],[strip command])
35
36 hosttools_clippy="false"
37 build_clippy="true"
38
39 dnl case 1: external clippy
40 if test -n "$with_clippy" -a "$with_clippy" != "no" -a "$with_clippy" != "yes"; then
41 if test "$enable_clippy_only" = "yes"; then
42 AC_MSG_ERROR([--enable-clippy-only does not make sense with --with-clippy])
43 fi
44
45 CLIPPY="$with_clippy"
46 build_clippy="false"
47 if test ! -x "$with_clippy"; then
48 AC_MSG_ERROR([clippy tool ($with_clippy) is not executable])
49 fi
50
51 dnl case 2: cross-compiling internal clippy
52 elif test "$host" != "$build"; then
53 if test "$srcdir" = "."; then
54 AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir or by building clippy separately and using the --with-clippy option. create a separate directory and run as .../path-to-frr/configure.])
55 fi
56 test -d hosttools || mkdir hosttools
57 abssrc="`cd \"${srcdir}\"; pwd`"
58
59 AC_MSG_NOTICE([...])
60 AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
61 AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
62 AC_MSG_NOTICE([...])
63
64 (
65 for var in $ac_precious_vars; do
66 dnl special cases
67 case "$var" in
68 YACC|YFLAGS) continue;;
69 PYTHON*) retain=true;;
70 *) retain=false;
71 esac
72
73 eval "hostvar=\"\${HOST_$var}\""
74 eval "targetvar=\"\${$var}\""
75 if test -n "$hostvar"; then
76 eval "$var='$hostvar'"
77 _AS_ECHO_LOG([host $var='$hostvar'])
78 elif $retain; then
79 _AS_ECHO_LOG([host retain $var='$targetvar'])
80 else
81 eval "unset $var"
82 _AS_ECHO_LOG([host unset $var])
83 fi
84 done
85 cd hosttools
86 "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"
87 ) || exit 1
88
89 AC_MSG_NOTICE([...])
90 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
91 AC_MSG_NOTICE([...])
92
93 build_clippy="false"
94 hosttools_clippy="true"
95 CLIPPY="hosttools/lib/clippy"
96
97 dnl case 3: normal build internal clippy
98 else
99 CLIPPY="lib/clippy\$(EXEEXT)"
100 fi
101 AC_SUBST([CLIPPY])
102 AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
103 AM_CONDITIONAL([HOSTTOOLS_CLIPPY], [$hosttools_clippy])
104 AM_CONDITIONAL([ONLY_CLIPPY], [test "$enable_clippy_only" = "yes"])
105
106 # Disable portability warnings -- our automake code (in particular
107 # common.am) uses some constructs specific to gmake.
108 AM_INIT_AUTOMAKE([1.12 -Wno-portability foreign])
109 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
110 AM_SILENT_RULES([yes])
111 AC_CONFIG_HEADERS([config.h])
112
113 AC_PATH_PROG([PERL], [perl])
114 PKG_PROG_PKG_CONFIG
115
116 dnl default is to match previous behavior
117 exampledir=${sysconfdir}
118 AC_ARG_ENABLE([exampledir],
119 AS_HELP_STRING([--enable-exampledir],
120 [specify alternate directory for examples]),
121 exampledir="$enableval",)
122 dnl XXX add --exampledir to autoconf standard directory list somehow
123 AC_SUBST([exampledir])
124
125 dnl default is to match previous behavior
126 pkgsrcrcdir=""
127 AC_ARG_ENABLE([pkgsrcrcdir],
128 AS_HELP_STRING([--enable-pkgsrcrcdir],
129 [specify directory for rc.d scripts]),
130 pkgsrcrcdir="$enableval",)
131 dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
132 AC_SUBST([pkgsrcrcdir])
133 AM_CONDITIONAL([PKGSRC], [test "$pkgsrcrcdir" != ""])
134
135 AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
136 moduledir="$withval"
137 ], [
138 moduledir="\${libdir}/frr/modules"
139 ])
140 AC_SUBST([moduledir], [$moduledir])
141
142 AC_ARG_WITH([scriptdir], [AS_HELP_STRING([--with-scriptdir=DIR], [script directory (${sysconfdir}/scripts)])], [
143 scriptdir="$withval"
144 ], [
145 scriptdir="\${sysconfdir}/scripts"
146 ])
147 AC_SUBST([scriptdir], [$scriptdir])
148
149 AC_ARG_WITH([yangmodelsdir], [AS_HELP_STRING([--with-yangmodelsdir=DIR], [yang models directory (${datarootdir}/yang)])], [
150 yangmodelsdir="$withval"
151 ], [
152 yangmodelsdir="\${datarootdir}/yang"
153 ])
154 AC_SUBST([yangmodelsdir])
155
156 AC_ARG_WITH([vici-socket], [AS_HELP_STRING([--with-vici-socket=PATH], [vici-socket (/var/run/charon.vici)])], [
157 vici_socket="$withval"
158 ], [
159 vici_socket="/var/run/charon.vici"
160 ])
161 AC_DEFINE_UNQUOTED([VICI_SOCKET], ["$vici_socket"], [StrongSWAN vici socket path])
162
163 AC_ARG_ENABLE(tcmalloc,
164 AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
165 [case "${enableval}" in
166 yes) tcmalloc_enabled=true
167 LIBS="$LIBS -ltcmalloc_minimal"
168 ;;
169 no) tcmalloc_enabled=false ;;
170 *) AC_MSG_ERROR([bad value ${enableval} for --enable-tcmalloc]) ;;
171 esac],[tcmalloc_enabled=false])
172
173
174 dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
175 dnl flag determination logic.
176 CFLAGS="${CFLAGS:-}"
177
178 dnl --------------------
179 dnl Check CC and friends
180 dnl --------------------
181 dnl note orig_cflags is also used further down
182 orig_cflags="$CFLAGS"
183 orig_cxxflags="$CXXFLAGS"
184 AC_LANG([C])
185 AC_PROG_CC
186 AC_PROG_CPP
187 AC_PROG_CXX
188 AM_PROG_CC_C_O
189 dnl remove autoconf default "-g -O2"
190 CFLAGS="$orig_cflags"
191 CXXFLAGS="$orig_cxxflags"
192 AC_PROG_CC_C99
193 dnl NB: see C11 below
194
195 dnl Some special handling for ICC later on
196 if test "$CC" = "icc"; then
197 cc_is_icc="yes"
198 fi
199
200 PKG_PROG_PKG_CONFIG
201
202 dnl it's 2019, sed is sed.
203 SED=sed
204 AC_SUBST([SED])
205
206 dnl try and enable CFLAGS that are useful for FRR
207 dnl - specifically, options to control warnings
208
209 AC_SUBST([AC_CFLAGS])
210 AC_USE_SYSTEM_EXTENSIONS
211 AC_DEFUN([AC_C_FLAG], [{
212 m4_pushdef([cachename],[m4_translit([frr_cv_$1],[ =-+/{}$],[________])])
213 AC_CACHE_CHECK([[whether $CC supports $1]], cachename, [
214 AC_LANG_PUSH([C])
215 ac_c_flag_save="$CFLAGS"
216 CFLAGS="$CFLAGS $1"
217 AC_COMPILE_IFELSE(
218 [AC_LANG_PROGRAM([[$4]])],
219 [
220 cachename=yes
221 ], [
222 cachename=no
223 ])
224 CFLAGS="$ac_c_flag_save"
225 AC_LANG_POP([C])
226 ])
227 if test "$cachename" = "yes"; then
228 m4_if([$3], [], [AC_CFLAGS="$AC_CFLAGS $1"], [$3])
229 else
230 :
231 $2
232 fi
233 m4_popdef([cachename])
234 }])
235
236 AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
237 AC_LANG_PUSH([C])
238 ac_cflags_save="$CFLAGS"
239 ac_libs_save="$LIBS"
240 CFLAGS="$CFLAGS $1"
241 LIBS="$LIBS $2"
242 AC_LINK_IFELSE(
243 [$3],
244 [
245 CFLAGS="$ac_cflags_save"
246 LIBS="$ac_libs_save"
247 m4_default([$5], [
248 AC_MSG_RESULT([yes])
249 ])
250 ], [
251 CFLAGS="$ac_cflags_save"
252 LIBS="$ac_libs_save"
253 m4_default([$4], [
254 AC_MSG_RESULT([no])
255 ])
256 ])
257 AC_LANG_POP([C])
258 }])
259
260 dnl ICC won't bail on unknown options without -diag-error 10006
261 dnl need to do this first so we get useful results for the other options
262 if test "$cc_is_icc" = "yes"; then
263 AC_C_FLAG([-diag-error 10006])
264 fi
265
266 dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
267 ac_cc="$CC"
268 CC="${CC% -std=gnu99}"
269 CC="${CC% -std=c99}"
270
271 AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
272
273 dnl if the user has specified any CFLAGS, override our settings
274 if test "$enable_gcov" = "yes"; then
275 if test "$orig_cflags" = ""; then
276 AC_C_FLAG([-coverage])
277 AC_C_FLAG([-O0])
278 fi
279
280 AC_LDFLAGS="${AC_LDFLAGS} -lgcov"
281 fi
282
283 if test "$enable_clang_coverage" = "yes"; then
284 AC_C_FLAG([-fprofile-instr-generate], [
285 AC_MSG_ERROR([$CC does not support -fprofile-instr-generate.])
286 ])
287 AC_C_FLAG([-fcoverage-mapping], [
288 AC_MSG_ERROR([$CC does not support -fcoverage-mapping.])
289 ])
290 fi
291
292 if test "$enable_scripting" = "yes"; then
293 AX_PROG_LUA([5.3], [5.4], [], [
294 AC_MSG_ERROR([Lua 5.3 is required to build with Lua support. No other version is supported.])
295 ])
296 AX_LUA_HEADERS([], [
297 AC_MSG_ERROR([Lua 5.3 headers are required to build with Lua support. No other version is supported.])
298 ])
299 AX_LUA_LIBS([
300 AC_DEFINE([HAVE_SCRIPTING], [1], [Have support for scripting])
301 LIBS="$LIBS $LUA_LIB"
302 ], [
303 AC_MSG_ERROR([Lua 5.3 libraries are required to build with Lua support. No other version is supported.])
304 ])
305 fi
306
307 dnl the following flags go in CFLAGS rather than AC_CFLAGS since they make
308 dnl sense to be overridden by the user
309 if test "$enable_dev_build" = "yes"; then
310 AC_DEFINE([DEV_BUILD], [1], [Build for development])
311 if test "$orig_cflags" = ""; then
312 AC_C_FLAG([-O0],,[CFLAGS="$CFLAGS -O0"])
313 AC_C_FLAG([-g3],,[CFLAGS="$CFLAGS -g3"])
314 AC_C_FLAG([-ggdb3],,[CFLAGS="$CFLAGS -ggdb3"])
315 fi
316 else
317 if test "$orig_cflags" = ""; then
318 AC_C_FLAG([-g],,[CFLAGS="$CFLAGS -g"])
319 AC_C_FLAG([-O2],,[CFLAGS="$CFLAGS -O2"])
320 fi
321 fi
322
323 AM_CONDITIONAL([DEV_BUILD], [test "$enable_dev_build" = "yes"])
324
325 dnl always want these CFLAGS
326 AC_C_FLAG([-fno-omit-frame-pointer])
327 AC_C_FLAG([-funwind-tables])
328 AC_C_FLAG([-Wall])
329 AC_C_FLAG([-Wextra])
330 AC_C_FLAG([-Wmissing-prototypes])
331 AC_C_FLAG([-Wmissing-declarations])
332 AC_C_FLAG([-Wpointer-arith])
333 AC_C_FLAG([-Wbad-function-cast])
334 AC_C_FLAG([-Wwrite-strings])
335 AC_C_FLAG([-Wundef])
336 if test "$enable_gcc_ultra_verbose" = "yes" ; then
337 AC_C_FLAG([-Wcast-qual])
338 AC_C_FLAG([-Wstrict-prototypes])
339 AC_C_FLAG([-Wmissing-noreturn])
340 AC_C_FLAG([-Wmissing-format-attribute])
341 AC_C_FLAG([-Wunreachable-code])
342 AC_C_FLAG([-Wpacked])
343 AC_C_FLAG([-Wpadded])
344 AC_C_FLAG([-Wshadow])
345 else
346 AC_C_FLAG([-Wno-unused-result])
347 fi
348 AC_C_FLAG([-Wno-unused-parameter])
349 AC_C_FLAG([-Wno-missing-field-initializers])
350
351 AC_C_FLAG([-Wc++-compat], [], [CXX_COMPAT_CFLAGS="-Wc++-compat"])
352 AC_SUBST([CXX_COMPAT_CFLAGS])
353
354 dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
355 dnl for some reason the string consts get 'promoted' to char *,
356 dnl triggering a const to non-const conversion warning.
357 if test "$cc_is_icc" = "yes"; then
358 AC_C_FLAG([-diag-disable 3179])
359 fi
360
361 if test "$enable_werror" = "yes" ; then
362 WERROR="-Werror"
363 fi
364 AC_SUBST([WERROR])
365
366 SAN_FLAGS=""
367 if test "$enable_address_sanitizer" = "yes"; then
368 AC_C_FLAG([-fsanitize=address], [
369 AC_MSG_ERROR([$CC does not support Address Sanitizer.])
370 ], [
371 SAN_FLAGS="$SAN_FLAGS -fsanitize=address"
372 ])
373 fi
374 if test "$enable_thread_sanitizer" = "yes"; then
375 AC_C_FLAG([-fsanitize=thread], [
376 AC_MSG_ERROR([$CC does not support Thread Sanitizer.])
377 ], [
378 SAN_FLAGS="$SAN_FLAGS -fsanitize=thread"
379 ])
380 fi
381 if test "$enable_memory_sanitizer" = "yes"; then
382 AC_C_FLAG([-fsanitize=memory -fPIE -pie], [
383 AC_MSG_ERROR([$CC does not support Memory Sanitizer.])
384 ], [
385 SAN_FLAGS="$SAN_FLAGS -fsanitize=memory -fPIE -pie"
386 ])
387 fi
388 if test "$enable_undefined_sanitizer" = "yes"; then
389 AC_C_FLAG([-fsanitize=undefined], [
390 AC_MSG_ERROR([$CC does not support UndefinedBehaviorSanitizer.])
391 ], [
392 SAN_FLAGS="$SAN_FLAGS -fsanitize=undefined"
393 ])
394 fi
395 AC_SUBST([SAN_FLAGS])
396
397 dnl frr-format.so
398 if test "$with_frr_format" != "no" -a "$with_frr_format" != "yes" -a -n "$with_frr_format"; then
399 AC_C_FLAG([-fplugin=${with_frr_format}], [
400 AC_MSG_ERROR([specified frr-format plugin ($with_frr_format) does not work])
401 ],,[
402 #ifndef _FRR_ATTRIBUTE_PRINTFRR
403 #error plugin not loaded
404 #endif
405 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
406 #error plugin too old
407 #endif
408 ])
409 elif test "$with_frr_format" = "no"; then
410 : #nothing
411 else
412 AC_C_FLAG([-fplugin=tools/gcc-plugins/frr-format.so],[
413 AC_C_FLAG([-fplugin=frr-format],[
414 if test "$with_frr_format" = "yes"; then
415 AC_MSG_ERROR([frr-format plugin requested but not found])
416 fi
417 ],,[
418 #ifndef _FRR_ATTRIBUTE_PRINTFRR
419 #error plugin not loaded
420 #endif
421 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
422 #error plugin too old
423 #endif
424 ])
425 ],,[
426 #ifndef _FRR_ATTRIBUTE_PRINTFRR
427 #error plugin not loaded
428 #endif
429 #if _FRR_ATTRIBUTE_PRINTFRR < 0x10000
430 #error plugin too old
431 #endif
432 ])
433 fi
434
435 AC_MSG_CHECKING([whether linker supports __start/stop_section symbols])
436 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
437 #include <stdio.h>
438 int __attribute__((section("secttest"))) var = 1;
439 extern int __start_secttest, __stop_secttest;
440 ]], [[
441 void *a = &var, *b = &__start_secttest, *c = &__stop_secttest;
442 printf("%p %p %p\n", a, b, c);
443 ]])], [
444 AC_MSG_RESULT(yes)
445 AC_DEFINE(HAVE_SECTION_SYMS, 1, [have __start/stop_section symbols])
446 ], [
447 AC_MSG_RESULT(no)
448 ])
449
450 dnl ----------
451 dnl Essentials
452 dnl ----------
453
454 AX_PTHREAD([
455 CC="$PTHREAD_CC"
456 AC_CFLAGS="$AC_CFLAGS $PTHREAD_CFLAGS"
457 LIBS="$PTHREAD_LIBS $LIBS"
458 ], [
459 AC_MSG_FAILURE([This FRR version needs pthreads])
460 ])
461
462 AC_SEARCH_LIBS([pthread_condattr_setclock], [],
463 [frr_cv_pthread_condattr_setclock=yes],
464 [frr_cv_pthread_condattr_setclock=no])
465 if test "$frr_cv_pthread_condattr_setclock" = "yes"; then
466 AC_DEFINE([HAVE_PTHREAD_CONDATTR_SETCLOCK], [1], [Have pthread.h pthread_condattr_setclock])
467 fi
468
469 dnl --------------
470 dnl Check programs
471 dnl --------------
472 AC_PROG_INSTALL
473 AC_PROG_LN_S
474 AC_CHECK_TOOL([AR], [ar])
475
476 dnl -------
477 dnl libtool
478 dnl -------
479 AC_ARG_ENABLE([static-bin],
480 AS_HELP_STRING([--enable-static-bin], [link binaries statically]))
481 LT_INIT
482 _LT_CONFIG_LIBTOOL([
483 patch -N -i "${srcdir}/m4/libtool-whole-archive.patch" libtool >&AS_MESSAGE_LOG_FD || \
484 AC_MSG_WARN([Could not patch libtool for static linking support. Loading modules into a statically linked daemon will fail.])
485 sed -e 's%func_warning "relinking%true #\0%' -i libtool || true
486 sed -e 's%func_warning "remember to run%true #\0%' -i libtool || true
487 sed -e 's%func_warning ".*has not been installed in%true #\0%' -i libtool || true
488 ])
489 if test "$enable_static_bin" = "yes"; then
490 AC_LDFLAGS="-static"
491 if test "$enable_static" != "yes"; then
492 AC_MSG_ERROR([The --enable-static-bin option must be combined with --enable-static.])
493 fi
494 fi
495 if test "$enable_shared" != "yes"; then
496 AC_MSG_ERROR([FRR cannot be built with --disable-shared. If you want statically linked daemons, use --enable-shared --enable-static --enable-static-bin])
497 fi
498 AC_SUBST([AC_LDFLAGS])
499 AM_CONDITIONAL([STATIC_BIN], [test "$enable_static_bin" = "yes"])
500
501 AC_ARG_ENABLE([rpath],
502 [AS_HELP_STRING([--enable-rpath], [set hardcoded rpaths in the executable @<:@default=yes@:>@])],
503 [],
504 [enable_rpath=yes])
505
506 dnl $AR and $RANLIB are set by LT_INIT above
507 AC_MSG_CHECKING([whether $AR supports D option])
508 if $AR crD conftest.a >/dev/null 2>/dev/null; then
509 AC_MSG_RESULT([yes])
510 dnl ARFLAGS is for automake, AR_FLAGS for libtool m-(
511 ARFLAGS="crD"
512 AR_FLAGS="crD"
513 else
514 AC_MSG_RESULT([no])
515 ARFLAGS="cru"
516 AR_FLAGS="cru"
517 fi
518 AC_SUBST([ARFLAGS])
519 AC_SUBST([AR_FLAGS])
520
521 AC_MSG_CHECKING([whether $RANLIB supports D option])
522 if $RANLIB -D conftest.a >conftest.err 2>&1; then
523 if grep -q -- '-D' conftest.err; then
524 AC_MSG_RESULT([no])
525 else
526 AC_MSG_RESULT([yes])
527 RANLIB="$RANLIB -D"
528 fi
529 else
530 AC_MSG_RESULT([no])
531 fi
532 AC_SUBST([RANLIB])
533
534 test -f conftest.err && rm conftest.err
535 test -f conftest.a && rm conftest.a
536
537 dnl ----------------------
538 dnl Packages configuration
539 dnl ----------------------
540 if test -f config.version; then
541 . ./config.version
542 elif test -f "${srcdir}/config.version"; then
543 . "${srcdir}/config.version"
544 fi
545 AC_ARG_WITH([pkg-extra-version],
546 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]), [
547 if test "$withval" = "no"; then
548 EXTRAVERSION=
549 else
550 EXTRAVERSION=$withval
551 fi
552 ], [])
553 AC_ARG_WITH([pkg-git-version],
554 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
555 [ test "$withval" != "no" && with_pkg_git_version="yes" ])
556 AC_ARG_WITH([clippy],
557 AS_HELP_STRING([--with-clippy=PATH], [use external clippy helper program]))
558 AC_ARG_WITH([vtysh_pager],
559 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
560 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
561 AC_ARG_ENABLE([vtysh],
562 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
563 AC_ARG_ENABLE([doc],
564 AS_HELP_STRING([--disable-doc], [do not build docs]))
565 AC_ARG_ENABLE([doc-html],
566 AS_HELP_STRING([--enable-doc-html], [build HTML docs]))
567 AC_ARG_ENABLE([zebra],
568 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
569 AC_ARG_ENABLE([bgpd],
570 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
571 AC_ARG_ENABLE([ripd],
572 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
573 AC_ARG_ENABLE([ripngd],
574 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
575 AC_ARG_ENABLE([ospfd],
576 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
577 AC_ARG_ENABLE([ospf6d],
578 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
579 AC_ARG_ENABLE([ldpd],
580 AS_HELP_STRING([--disable-ldpd], [do not build ldpd]))
581 AC_ARG_ENABLE([nhrpd],
582 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
583 AC_ARG_ENABLE([eigrpd],
584 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
585 AC_ARG_ENABLE([babeld],
586 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
587 AC_ARG_ENABLE([watchfrr],
588 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
589 AC_ARG_ENABLE([isisd],
590 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
591 AC_ARG_ENABLE([pimd],
592 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
593 AC_ARG_ENABLE([pbrd],
594 AS_HELP_STRING([--disable-pbrd], [do not build pbrd]))
595 AC_ARG_ENABLE([sharpd],
596 AS_HELP_STRING([--enable-sharpd], [build sharpd]))
597 AC_ARG_ENABLE([staticd],
598 AS_HELP_STRING([--disable-staticd], [do not build staticd]))
599 AC_ARG_ENABLE([fabricd],
600 AS_HELP_STRING([--disable-fabricd], [do not build fabricd]))
601 AC_ARG_ENABLE([vrrpd],
602 AS_HELP_STRING([--disable-vrrpd], [do not build vrrpd]))
603 AC_ARG_ENABLE([pathd],
604 AS_HELP_STRING([--disable-pathd], [do not build pathd]))
605 AC_ARG_ENABLE([bgp-announce],
606 AS_HELP_STRING([--disable-bgp-announce], [turn off BGP route announcement]))
607 AC_ARG_ENABLE([bgp-vnc],
608 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
609 AC_ARG_ENABLE([bgp-bmp],
610 AS_HELP_STRING([--disable-bgp-bmp],[turn off BGP BMP support]))
611 AC_ARG_ENABLE([snmp],
612 AS_HELP_STRING([--enable-snmp], [enable SNMP support for agentx]))
613 AC_ARG_ENABLE([config_rollbacks],
614 AS_HELP_STRING([--enable-config-rollbacks], [enable configuration rollbacks (requires sqlite3)]))
615 AC_ARG_ENABLE([confd],
616 AS_HELP_STRING([--enable-confd=ARG], [enable confd integration]))
617 AC_ARG_ENABLE([sysrepo],
618 AS_HELP_STRING([--enable-sysrepo], [enable sysrepo integration]))
619 AC_ARG_ENABLE([grpc],
620 AS_HELP_STRING([--enable-grpc], [enable the gRPC northbound plugin]))
621 AC_ARG_ENABLE([zeromq],
622 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
623 AC_ARG_ENABLE([lttng],
624 AS_HELP_STRING([--enable-lttng], [enable LTTng tracing]))
625 AC_ARG_ENABLE([usdt],
626 AS_HELP_STRING([--enable-usdt], [enable USDT probes]))
627 AC_ARG_WITH([libpam],
628 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
629 AC_ARG_ENABLE([ospfapi],
630 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
631 AC_ARG_ENABLE([ospfclient],
632 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
633 (this is the default if --disable-ospfapi is set)]))
634 AC_ARG_ENABLE([multipath],
635 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
636 AC_ARG_ENABLE([user],
637 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
638 AC_ARG_ENABLE([group],
639 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
640 AC_ARG_ENABLE([vty_group],
641 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
642 AC_ARG_ENABLE([configfile_mask],
643 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
644 AC_ARG_ENABLE([logfile_mask],
645 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
646 AC_ARG_ENABLE([shell_access],
647 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
648 AC_ARG_ENABLE([realms],
649 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
650 AC_ARG_ENABLE([rtadv],
651 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
652 AC_ARG_ENABLE([irdp],
653 AS_HELP_STRING([--disable-irdp], [disable IRDP server support in zebra (enabled by default if supported)]))
654 AC_ARG_ENABLE([capabilities],
655 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
656 AC_ARG_ENABLE([rusage],
657 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
658 AC_ARG_ENABLE([gcc_ultra_verbose],
659 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
660 AC_ARG_ENABLE([backtrace],
661 AS_HELP_STRING([--disable-backtrace], [disable crash backtraces (default autodetect)]))
662 AC_ARG_ENABLE([time-check],
663 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
664 AC_ARG_ENABLE([cpu-time],
665 AS_HELP_STRING([--disable-cpu-time], [disable cpu usage data gathering]))
666 AC_ARG_ENABLE([pcreposix],
667 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
668 AC_ARG_ENABLE([fpm],
669 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
670 AC_ARG_ENABLE([pcep],
671 AS_HELP_STRING([--enable-pcep], [enable PCEP support for pathd]))
672 AC_ARG_ENABLE([systemd],
673 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
674 AC_ARG_ENABLE([werror],
675 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
676 AC_ARG_ENABLE([cumulus],
677 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
678 AC_ARG_ENABLE([datacenter],
679 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
680 AC_ARG_ENABLE([rr-semantics],
681 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
682 AC_ARG_ENABLE([protobuf],
683 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
684 AC_ARG_ENABLE([oldvpn_commands],
685 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
686 AC_ARG_ENABLE([rpki],
687 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
688 AC_ARG_ENABLE([clippy-only],
689 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
690 AC_ARG_ENABLE([numeric_version],
691 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
692 AC_ARG_ENABLE([gcov],
693 AS_HELP_STRING([--enable-gcov], [Collect coverage information with gcov]))
694 AC_ARG_ENABLE([clang_coverage],
695 AS_HELP_STRING([--enable-clang-coverage], [Collect coverage information with Clang Coverage]))
696 AC_ARG_ENABLE([bfdd],
697 AS_HELP_STRING([--disable-bfdd], [do not build bfdd]))
698 AC_ARG_ENABLE([address-sanitizer],
699 AS_HELP_STRING([--enable-address-sanitizer], [enable AddressSanitizer support for detecting a wide variety of memory allocation and deallocation errors]))
700 AC_ARG_ENABLE([thread-sanitizer],
701 AS_HELP_STRING([--enable-thread-sanitizer], [enable ThreadSanitizer support for detecting data races]))
702 AC_ARG_ENABLE([memory-sanitizer],
703 AS_HELP_STRING([--enable-memory-sanitizer], [enable MemorySanitizer support for detecting uninitialized memory reads]))
704 AC_ARG_ENABLE([undefined-sanitizer],
705 AS_HELP_STRING([--undefined-sanitizer], [enable UndefinedBehaviorSanitizer support for detecting undefined behavior]))
706 AC_ARG_WITH([crypto],
707 AS_HELP_STRING([--with-crypto=<internal|openssl>], [choose between different implementations of cryptographic functions(default value is --with-crypto=internal)]))
708 AC_ARG_WITH([frr-format],
709 AS_HELP_STRING([--with-frr-format[=<.../frr-format.so>]], [use frr-format GCC plugin]))
710
711 AC_ARG_ENABLE([version-build-config],
712 AS_HELP_STRING([--disable-version-build-config], [do not include build configs in show version command]))
713
714 #if openssl, else use the internal
715 AS_IF([test "$with_crypto" = "openssl"], [
716 AC_CHECK_LIB([crypto], [EVP_DigestInit], [LIBS="$LIBS -lcrypto"], [], [])
717 if test "$ac_cv_lib_crypto_EVP_DigestInit" = "no"; then
718 AC_MSG_ERROR([build with openssl has been specified but openssl library was not found on your system])
719 else
720 AC_DEFINE([CRYPTO_OPENSSL], [1], [Compile with openssl support])
721 fi
722 ], [test "$with_crypto" = "internal" || test "$with_crypto" = "" ], [AC_DEFINE([CRYPTO_INTERNAL], [1], [Compile with internal cryptographic implementation])
723 ], [AC_MSG_ERROR([Unknown value for --with-crypto])]
724 )
725
726 AS_IF([test "$enable_clippy_only" != "yes"], [
727 AC_CHECK_HEADERS([json-c/json.h])
728 AC_CHECK_LIB([json-c], [json_object_get], [LIBS="$LIBS -ljson-c"], [], [-lm])
729 if test "$ac_cv_lib_json_c_json_object_get" = "no"; then
730 AC_CHECK_LIB([json], [json_object_get], [LIBS="$LIBS -ljson"])
731 if test "$ac_cv_lib_json_json_object_get" = "no"; then
732 AC_MSG_ERROR([libjson is needed to compile])
733 fi
734 fi
735 ])
736
737 AC_ARG_ENABLE([dev_build],
738 AS_HELP_STRING([--enable-dev-build], [build for development]))
739
740 AC_ARG_ENABLE([scripting],
741 AS_HELP_STRING([--enable-scripting], [Build with scripting support]))
742
743 AC_ARG_ENABLE([netlink-debug],
744 AS_HELP_STRING([--disable-netlink-debug], [pretty print netlink debug messages]))
745
746 if test "$enable_netlink_debug" != "no" ; then
747 AC_DEFINE([NETLINK_DEBUG], [1], [Netlink extra debugging code])
748 fi
749
750 AM_CONDITIONAL([NETLINK_DEBUG], [test "$enable_netlink_debug" != "no"])
751
752 if test "$enable_time_check" != "no" ; then
753 if test "$enable_time_check" = "yes" -o "$enable_time_check" = "" ; then
754 AC_DEFINE([CONSUMED_TIME_CHECK], [5000000], [Consumed Time Check])
755 else
756 AC_DEFINE_UNQUOTED([CONSUMED_TIME_CHECK], [$enable_time_check], [Consumed Time Check])
757 fi
758 fi
759
760 case "${enable_cpu_time}" in
761 "no")
762 AC_DEFINE([EXCLUDE_CPU_TIME], [1], [Exclude getrusage data gathering])
763 ;;
764 "*")
765 ;;
766 esac
767
768 case "${enable_systemd}" in
769 "no") ;;
770 "yes")
771 AC_CHECK_LIB([systemd], [sd_notify], [LIBS="$LIBS -lsystemd"])
772 if test "$ac_cv_lib_systemd_sd_notify" = "no"; then
773 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
774 else
775 AC_DEFINE([HAVE_SYSTEMD], [1], [Compile systemd support in])
776 fi
777 ;;
778 "*") ;;
779 esac
780
781 if test "$enable_rr_semantics" != "no" ; then
782 AC_DEFINE([HAVE_V6_RR_SEMANTICS], [1], [Compile in v6 Route Replacement Semantics])
783 fi
784
785 if test "$enable_datacenter" = "yes" ; then
786 AC_DEFINE([HAVE_DATACENTER], [1], [Compile extensions for a DataCenter])
787 AC_MSG_WARN([The --enable-datacenter compile time option is deprecated. Please modify the init script to pass -F datacenter to the daemons instead.])
788 DFLT_NAME="datacenter"
789 else
790 DFLT_NAME="traditional"
791 fi
792
793 if test "$enable_cumulus" = "yes" ; then
794 AC_DEFINE([HAVE_CUMULUS], [1], [Compile Special Cumulus Code in])
795 fi
796
797 AC_SUBST([DFLT_NAME])
798 AC_DEFINE_UNQUOTED([DFLT_NAME], ["$DFLT_NAME"], [Name of the configuration default set])
799
800 if test "$enable_shell_access" = "yes"; then
801 AC_DEFINE([HAVE_SHELL_ACCESS], [1], [Allow user to use ssh/telnet/bash, be aware this is considered insecure])
802 fi
803
804 #
805 # Python for clippy
806 #
807
808 AS_IF([test "$host" = "$build"], [
809 AC_CHECK_HEADER([gelf.h], [], [
810 AC_MSG_ERROR([libelf headers are required for building clippy. (Host only when cross-compiling.)])
811 ])
812 AC_CHECK_LIB([elf], [elf_memory], [], [
813 AC_MSG_ERROR([libelf is required for building clippy. (Host only when cross-compiling.)])
814 ])
815
816 AC_CHECK_LIB([elf], [elf_getdata_rawchunk], [
817 AC_DEFINE([HAVE_ELF_GETDATA_RAWCHUNK], [1], [Have elf_getdata_rawchunk()])
818 ])
819 AC_CHECK_LIB([elf], [gelf_getnote], [
820 AC_DEFINE([HAVE_GELF_GETNOTE], [1], [Have gelf_getnote()])
821 ])
822
823 FRR_PYTHON_DEV
824 ], [
825 FRR_PYTHON
826 ])
827
828 FRR_PYTHON_MODULES([pytest])
829
830 if test "$enable_doc" != "no"; then
831 FRR_PYTHON_MODULES([sphinx], , [
832 if test "$enable_doc" = "yes"; then
833 AC_MSG_ERROR([Documentation was explicitly requested with --enable-doc but sphinx is not available for $PYTHON. Please disable docs or install sphinx.])
834 fi
835 ])
836 fi
837 AM_CONDITIONAL([DOC], [test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" != "false"])
838 AM_CONDITIONAL([DOC_HTML], [test "$enable_doc_html" = "yes"])
839
840 FRR_PYTHON_MOD_EXEC([sphinx], [--version], [
841 PYSPHINX="-m sphinx"
842 ], [
843 PYSPHINX="-c 'import sys; from sphinx import main; sys.exit(main(sys.argv))'"
844 ])
845 AC_SUBST([PYSPHINX])
846
847 #
848 # Logic for old vpn commands support.
849 #
850 if test "$enable_oldvpn_commands" = "yes"; then
851 AC_DEFINE([KEEP_OLD_VPN_COMMANDS], [1], [Define for compiling with old vpn commands])
852 fi
853
854 #
855 # End of logic for protobuf support.
856 #
857
858 AC_MSG_CHECKING([if zebra should be configurable to send Route Advertisements])
859 if test "$enable_rtadv" != "no"; then
860 AC_MSG_RESULT([yes])
861 AC_DEFINE([HAVE_RTADV], [1], [Enable IPv6 Routing Advertisement support])
862 else
863 AC_MSG_RESULT([no])
864 fi
865
866 if test "$enable_user" = "no"; then
867 enable_user=""
868 else
869 if test "$enable_user" = "yes" || test "$enable_user" = ""; then
870 enable_user="frr"
871 fi
872 AC_DEFINE_UNQUOTED([FRR_USER], ["${enable_user}"], [frr User])
873 fi
874
875 if test "$enable_group" = "no"; then
876 enable_group=""
877 else
878 if test "$enable_group" = "yes" || test "$enable_group" = ""; then
879 enable_group="frr"
880 fi
881 AC_DEFINE_UNQUOTED([FRR_GROUP], ["${enable_group}"], [frr Group])
882 fi
883
884 if test "$enable_vty_group" = "yes" ; then
885 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
886 elif test "$enable_vty_group" != ""; then
887 if test "$enable_vty_group" != "no"; then
888 AC_DEFINE_UNQUOTED([VTY_GROUP], ["${enable_vty_group}"], [VTY Sockets Group])
889 fi
890 fi
891 AC_SUBST([enable_user])
892 AC_SUBST([enable_group])
893 AC_SUBST([enable_vty_group])
894
895 enable_configfile_mask=${enable_configfile_mask:-0600}
896 AC_DEFINE_UNQUOTED([CONFIGFILE_MASK], [${enable_configfile_mask}], [Mask for config files])
897 AC_SUBST([enable_configfile_mask])
898
899 enable_logfile_mask=${enable_logfile_mask:-0600}
900 AC_DEFINE_UNQUOTED([LOGFILE_MASK], [${enable_logfile_mask}], [Mask for log files])
901
902 MPATH_NUM=16
903
904 case "${enable_multipath}" in
905 0)
906 MPATH_NUM=64
907 ;;
908 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
909 MPATH_NUM="${enable_multipath}"
910 ;;
911 "")
912 ;;
913 *)
914 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
915 ;;
916 esac
917
918 AC_DEFINE_UNQUOTED([MULTIPATH_NUM], [$MPATH_NUM], [Maximum number of paths for a route])
919
920 AC_DEFINE_UNQUOTED([VTYSH_PAGER], ["$VTYSH_PAGER"], [What pager to use])
921
922 dnl --------------------
923 dnl Enable code coverage
924 dnl --------------------
925 AM_CONDITIONAL([HAVE_GCOV], [test "$enable_gcov" != "no"])
926
927 dnl ------------------------------------
928 dnl Alpine only accepts numeric versions
929 dnl ------------------------------------
930 if test "$enable_numeric_version" != "" ; then
931 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
932 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
933 fi
934
935 dnl -----------------------------------
936 dnl Add extra version string to package
937 dnl name, string and version fields.
938 dnl -----------------------------------
939 if test "$EXTRAVERSION" != "" ; then
940 VERSION="${VERSION}${EXTRAVERSION}"
941 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
942 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
943 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
944 fi
945 AC_SUBST([EXTRAVERSION])
946
947 if test "$with_pkg_git_version" = "yes"; then
948 if test -e "${srcdir}/.git"; then
949 AC_DEFINE([GIT_VERSION], [1], [include git version info])
950 else with_pkg_git_version="no"
951 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
952 fi
953 fi
954 AM_CONDITIONAL([GIT_VERSION], [test "$with_pkg_git_version" = "yes"])
955
956 AC_CHECK_TOOL([OBJCOPY], [objcopy], [:])
957 if test "$OBJCOPY" != ":"; then
958 AC_CACHE_CHECK([for .interp value to use], [frr_cv_interp], [
959 frr_cv_interp=""
960 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], [
961 if $OBJCOPY -j.interp -Obinary conftest conftest.interp; then
962 frr_cv_interp="`xargs -0 echo < conftest.interp`"
963 fi
964 test -f conftest.interp && rm conftest.interp
965 ])
966 ])
967 fi
968 if test -n "$frr_cv_interp"; then
969 AC_DEFINE_UNQUOTED([INTERP], ["$frr_cv_interp"], [.interp value])
970 fi
971
972 dnl -------------------------
973 dnl Check other header files.
974 dnl -------------------------
975 AC_CHECK_HEADERS([stropts.h sys/ksym.h \
976 linux/version.h asm/types.h])
977
978 ac_stdatomic_ok=false
979 AC_DEFINE([FRR_AUTOCONF_ATOMIC], [1], [did autoconf checks for atomic funcs])
980 AC_CHECK_HEADER([stdatomic.h],[
981
982 AC_MSG_CHECKING([whether _Atomic qualifier works])
983 AC_LINK_IFELSE([AC_LANG_SOURCE([[
984 #include <stdatomic.h>
985 int main(int argc, char **argv) {
986 _Atomic int i = 0;
987 return i;
988 }
989 ]])], [
990 AC_DEFINE([HAVE_STDATOMIC_H], [1], [found stdatomic.h])
991 AC_MSG_RESULT([yes])
992 ac_stdatomic_ok=true
993 ], [
994 AC_MSG_RESULT([no])
995 ])
996 ])
997
998 AS_IF([$ac_stdatomic_ok], [true], [
999 AC_MSG_CHECKING([for __atomic_* builtins])
1000 AC_LINK_IFELSE([AC_LANG_SOURCE([[
1001 int main(int argc, char **argv) {
1002 volatile int i = 1;
1003 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
1004 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
1005 }
1006 ]])], [
1007 AC_DEFINE([HAVE___ATOMIC], [1], [found __atomic builtins])
1008 AC_MSG_RESULT([yes])
1009 ], [
1010 AC_MSG_RESULT([no])
1011
1012 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
1013 AC_MSG_CHECKING([for __sync_* builtins])
1014 AC_LINK_IFELSE([AC_LANG_SOURCE([[
1015 int main(int argc, char **argv) {
1016 volatile int i = 1;
1017 __sync_fetch_and_sub (&i, 1);
1018 return __sync_val_compare_and_swap (&i, 0, 1);
1019 }
1020 ]])], [
1021 AC_DEFINE([HAVE___SYNC], [1], [found __sync builtins])
1022 AC_MSG_RESULT([yes])
1023
1024 AC_MSG_CHECKING([for __sync_swap builtin])
1025 AC_LINK_IFELSE([AC_LANG_SOURCE([[
1026 int main(int argc, char **argv) {
1027 volatile int i = 1;
1028 return __sync_swap (&i, 2);
1029 }
1030 ]])], [
1031 AC_DEFINE([HAVE___SYNC_SWAP], 1, [found __sync_swap builtin])
1032 AC_MSG_RESULT([yes])
1033 ], [
1034 AC_MSG_RESULT([no])
1035 ])
1036
1037 ], [
1038 AC_MSG_RESULT([no])
1039 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
1040 ])
1041 ])
1042 ])
1043
1044 AC_CHECK_HEADERS([pthread_np.h],,, [
1045 #include <pthread.h>
1046 ])
1047 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np pthread_getthreadid_np])
1048
1049 needsync=true
1050
1051 AS_IF([$needsync], [
1052 dnl Linux
1053 AC_MSG_CHECKING([for Linux futex() support])
1054 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1055 #ifndef _GNU_SOURCE
1056 #define _GNU_SOURCE
1057 #endif
1058 #include <unistd.h>
1059 #include <limits.h>
1060 #include <sys/time.h>
1061 #include <sys/syscall.h>
1062 #include <linux/futex.h>
1063
1064 int main(void);
1065 ],
1066 [
1067 {
1068 return syscall(SYS_futex, NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1069 }
1070 ])], [
1071 AC_MSG_RESULT([yes])
1072 AC_DEFINE(HAVE_SYNC_LINUX_FUTEX,,Have Linux futex support)
1073 needsync=false
1074 ], [
1075 AC_MSG_RESULT([no])
1076 ])
1077 ])
1078
1079 AS_IF([$needsync], [
1080 dnl FreeBSD
1081 AC_MSG_CHECKING([for FreeBSD _umtx_op() support])
1082 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1083 #include <errno.h>
1084 #include <stdlib.h>
1085 #include <sys/types.h>
1086 #include <sys/umtx.h>
1087 int main(void);
1088 ],
1089 [
1090 {
1091 return _umtx_op(NULL, UMTX_OP_WAIT_UINT, 0, NULL, NULL);
1092 }
1093 ])], [
1094 AC_MSG_RESULT([yes])
1095 AC_DEFINE(HAVE_SYNC_UMTX_OP,,Have FreeBSD _umtx_op() support)
1096 needsync=false
1097 ], [
1098 AC_MSG_RESULT([no])
1099 ])
1100 ])
1101
1102 AS_IF([$needsync], [
1103 dnl OpenBSD patch (not upstream at the time of writing this)
1104 dnl https://marc.info/?l=openbsd-tech&m=147299508409549&w=2
1105 AC_MSG_CHECKING([for OpenBSD futex() support])
1106 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1107 #include <sys/futex.h>
1108 int main(void);
1109 ],
1110 [
1111 {
1112 return futex(NULL, FUTEX_WAIT, 0, NULL, NULL, 0);
1113 }
1114 ])], [
1115 AC_MSG_RESULT([yes])
1116 AC_DEFINE(HAVE_SYNC_OPENBSD_FUTEX,,Have OpenBSD futex support)
1117 needsync=false
1118 ], [
1119 AC_MSG_RESULT([no])
1120 ])
1121 ])
1122
1123 dnl Utility macro to avoid retyping includes all the time
1124 m4_define([FRR_INCLUDES],
1125 [#ifdef SUNOS_5
1126 #define _POSIX_C_SOURCE 200809L
1127 #define __EXTENSIONS__
1128 #endif
1129 #include <stdio.h>
1130 #include <stdlib.h>
1131 #include <stddef.h>
1132 #include <sys/types.h>
1133 /* sys/conf.h depends on param.h on FBSD at least */
1134 #include <sys/param.h>
1135 /* Required for MAXSIG */
1136 #include <signal.h>
1137 #include <sys/socket.h>
1138 #ifdef __APPLE__
1139 # define __APPLE_USE_RFC_3542
1140 #endif
1141 #include <netinet/in.h>
1142 #include <sys/time.h>
1143 #include <time.h>
1144 #include <net/if.h>
1145 ])dnl
1146
1147 dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
1148 dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
1149 dnl an additional round for it.
1150
1151 AC_CHECK_HEADERS([net/if_var.h], [], [], [FRR_INCLUDES])
1152
1153 m4_define([FRR_INCLUDES],
1154 FRR_INCLUDES
1155 [#ifdef HAVE_NET_IF_VAR_H
1156 # include <net/if_var.h>
1157 #endif
1158 ])dnl
1159
1160 AC_CHECK_HEADERS([netinet/in_var.h \
1161 net/if_dl.h net/netopt.h \
1162 inet/nd.h netinet/ip_icmp.h \
1163 sys/sysctl.h sys/sockio.h sys/conf.h],
1164 [], [], [FRR_INCLUDES])
1165
1166 AC_CHECK_HEADERS([ucontext.h], [], [],
1167 [#ifndef __USE_GNU
1168 #define __USE_GNU
1169 #endif /* __USE_GNU */
1170 FRR_INCLUDES
1171 ])
1172
1173 m4_define([UCONTEXT_INCLUDES],
1174 [#include <ucontext.h>])dnl
1175
1176 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
1177 [], [], [UCONTEXT_INCLUDES])
1178 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
1179 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
1180 [], [], [UCONTEXT_INCLUDES])],
1181 [], [UCONTEXT_INCLUDES])
1182 AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
1183 [], [], [UCONTEXT_INCLUDES])
1184
1185 m4_define([FRR_INCLUDES],
1186 FRR_INCLUDES
1187 [
1188 #include <sys/un.h>
1189 #include <netinet/in_systm.h>
1190 #ifdef HAVE_NETINET_IN_VAR_H
1191 # include <netinet/in_var.h>
1192 #endif
1193 #ifdef HAVE_NET_IF_DL_H
1194 # include <net/if_dl.h>
1195 #endif
1196 #ifdef HAVE_NET_NETOPT_H
1197 # include <net/netopt.h>
1198 #endif
1199 #include <net/route.h>
1200 #ifdef HAVE_INET_ND_H
1201 # include <inet/nd.h>
1202 #endif
1203 #include <arpa/inet.h>
1204 /* Required for IDRP */
1205 #ifdef HAVE_NETINET_IP_ICMP_H
1206 # include <netinet/ip_icmp.h>
1207 #endif
1208 ])dnl
1209
1210 dnl V6 headers are checked below, after we check for v6
1211
1212 is_linux=false
1213
1214 AC_MSG_CHECKING([which operating system interface to use])
1215 case "$host_os" in
1216 sunos* | solaris2*)
1217 AC_MSG_FAILURE([Solaris support has been removed please see versions prior or equal to 7.5])
1218 ;;
1219 linux*)
1220 AC_MSG_RESULT([Linux])
1221
1222 AC_DEFINE([GNU_LINUX], [1], [GNU Linux])
1223 AC_DEFINE([HAVE_NETLINK], [1], [netlink])
1224 AC_DEFINE([LINUX_IPV6], [1], [Linux IPv6 stack])
1225
1226 dnl Linux has a compilation problem with mixing
1227 dnl netinet/in.h and linux/in6.h they are not
1228 dnl compatible. There has been discussion on
1229 dnl how to fix it but no real progress on implementation
1230 dnl when they fix it, remove this
1231 AC_DEFINE([IPV6_MINHOPCOUNT], [73], [Linux ipv6 Min Hop Count])
1232
1233 is_linux=true
1234 ;;
1235 openbsd*)
1236 AC_MSG_RESULT([OpenBSD])
1237
1238 AC_DEFINE([OPEN_BSD], [1], [OpenBSD])
1239 AC_DEFINE([KAME], [1], [KAME IPv6])
1240 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1241 ;;
1242 *)
1243 AC_MSG_RESULT([BSD])
1244
1245 AC_DEFINE([HAVE_NET_RT_IFLIST], [1], [NET_RT_IFLIST])
1246 AC_DEFINE([KAME], [1], [KAME IPv6])
1247 AC_DEFINE([BSD_V6_SYSCTL], [1], [BSD v6 sysctl to turn on and off forwarding])
1248 ;;
1249 esac
1250 AM_CONDITIONAL([LINUX], [${is_linux}])
1251
1252 AC_SYS_LARGEFILE
1253
1254 dnl ------------------------
1255 dnl Integrated REALMS option
1256 dnl ------------------------
1257 if test "$enable_realms" = "yes"; then
1258 case "$host_os" in
1259 linux*)
1260 AC_DEFINE([SUPPORT_REALMS], [1], [Realms support])
1261 ;;
1262 *)
1263 echo "Sorry, only Linux has REALMS support"
1264 exit 1
1265 ;;
1266 esac
1267 fi
1268
1269 dnl -------------------------------
1270 dnl Endian-ness check
1271 dnl -------------------------------
1272 AC_WORDS_BIGENDIAN
1273
1274 dnl ---------------
1275 dnl other functions
1276 dnl ---------------
1277 AC_CHECK_FUNCS([ \
1278 strlcat strlcpy \
1279 getgrouplist \
1280 openat \
1281 unlinkat \
1282 posix_fallocate \
1283 ])
1284
1285 dnl ##########################################################################
1286 dnl LARGE if block spans a lot of "configure"!
1287 if test "$enable_clippy_only" != "yes"; then
1288 dnl ##########################################################################
1289
1290 #
1291 # Logic for protobuf support.
1292 #
1293 PROTO3=false
1294 if test "$enable_protobuf" = "yes"; then
1295 # Check for protoc & protoc-c
1296
1297 # protoc is not required, it's only for a "be nice" helper target
1298 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1299
1300 AC_CHECK_PROGS([PROTOC_C], [protoc-c], [/bin/false])
1301 if test "$PROTOC_C" = "/bin/false"; then
1302 AC_MSG_FAILURE([protobuf requested but protoc-c not found. Install protobuf-c.])
1303 fi
1304
1305 PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
1306 AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
1307 ])
1308
1309 PROTO3=true
1310 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h],
1311 [AC_CHECK_DECLS(PROTOBUF_C_LABEL_NONE,
1312 AC_DEFINE([HAVE_PROTOBUF_VERSION_3],
1313 [1], [Have Protobuf version 3]),
1314 [PROTO3=false],
1315 [#include <google/protobuf-c/protobuf-c.h>])],
1316 [PROTO3=false && AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])])
1317
1318 AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
1319 fi
1320
1321
1322 dnl ---------------------
1323 dnl Integrated VTY option
1324 dnl ---------------------
1325 case "${enable_vtysh}" in
1326 "no")
1327 VTYSH="";;
1328 *)
1329 VTYSH="vtysh";
1330 AC_DEFINE([VTYSH], [1], [VTY shell])
1331
1332 prev_libs="$LIBS"
1333 AC_CHECK_LIB([readline], [main], [
1334 LIBREADLINE="-lreadline"
1335 ], [
1336 dnl readline failed - it might be incorrectly linked and missing its
1337 dnl termcap/tinfo/curses dependency. see if we can fix that...
1338 AC_SEARCH_LIBS([tputs], [termcap tinfo curses ncurses], [
1339 LIBREADLINE="$ac_cv_search_tputs"
1340 ], [
1341 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1342 ])
1343
1344 dnl re-try with the lib we found above
1345 unset ac_cv_lib_readline_main
1346 AC_CHECK_LIB([readline], [main], [
1347 LIBREADLINE="-lreadline $LIBREADLINE"
1348 ], [
1349 AC_MSG_ERROR([libreadline (needed for vtysh) not found and/or missing dependencies])
1350 ], [$LIBREADLINE])
1351 ], [])
1352 LIBS="$prev_libs"
1353
1354 AC_CHECK_HEADER([readline/history.h])
1355 if test "$ac_cv_header_readline_history_h" = "no"; then
1356 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
1357 fi
1358 AC_CHECK_LIB([readline], [rl_completion_matches], [true], [], [$LIBREADLINE])
1359 if test "$ac_cv_lib_readline_rl_completion_matches" = "no"; then
1360 AC_DEFINE([rl_completion_matches], [completion_matches], [Old readline])
1361 fi
1362 AC_CHECK_LIB([readline], [append_history], [frr_cv_append_history=yes], [frr_cv_append_history=no], [$LIBREADLINE])
1363 if test "$frr_cv_append_history" = "yes"; then
1364 AC_DEFINE([HAVE_APPEND_HISTORY], [1], [Have history.h append_history])
1365 fi
1366 ;;
1367 esac
1368 AC_SUBST([LIBREADLINE])
1369
1370 dnl ----------
1371 dnl PAM module
1372 dnl
1373 dnl FRR detects the PAM library it is built against by checking for a
1374 dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1375 dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1376 dnl openpam.h doesn't do that, although depends on the header too. Hence a
1377 dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1378 dnl of OpenPAM.
1379 dnl ----------
1380 if test "$with_libpam" = "yes"; then
1381 AC_CHECK_HEADER([security/pam_misc.h],
1382 [AC_DEFINE([HAVE_PAM_MISC_H], [1], [Have pam_misc.h])
1383 AC_DEFINE([PAM_CONV_FUNC], [misc_conv], [Have misc_conv])
1384 pam_conv_func="misc_conv"
1385 ],
1386 [], FRR_INCLUDES)
1387 AC_CHECK_HEADER([security/openpam.h],
1388 [AC_DEFINE([HAVE_OPENPAM_H], [1], [Have openpam.h])
1389 AC_DEFINE([PAM_CONV_FUNC], [openpam_ttyconv], [Have openpam_ttyconv])
1390 pam_conv_func="openpam_ttyconv"
1391 ],
1392 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1393 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1394 AC_MSG_WARN([*** pam support will not be built ***])
1395 with_libpam="no"
1396 fi
1397 fi
1398
1399 if test "$with_libpam" = "yes"; then
1400 dnl took this test from proftpds configure.in and suited to our needs
1401 dnl -------------------------------------------------------------------------
1402 dnl
1403 dnl This next check looks funky due to a linker problem with some versions
1404 dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1405 dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1406 dnl with RedHat 6.2 and Debian 2.2 or better.
1407 AC_CHECK_LIB([pam], [pam_start],
1408 [AC_CHECK_LIB([pam], [$pam_conv_func],
1409 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1410 LIBPAM="-lpam"],
1411 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1412 LIBPAM="-lpam -lpam_misc"]
1413 )
1414 ],
1415
1416 [AC_CHECK_LIB([pam], [pam_end],
1417 [AC_CHECK_LIB([pam], [$pam_conv_func],
1418 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1419 LIBPAM="-lpam -ldl"],
1420 [AC_DEFINE([USE_PAM], [1], [Use PAM for authentication])
1421 LIBPAM="-lpam -ldl -lpam_misc"]
1422 )
1423 ],AC_MSG_WARN([*** pam support will not be built ***]),
1424 [-ldl])
1425 ]
1426 )
1427 fi
1428 AC_SUBST([LIBPAM])
1429
1430 dnl -------------------------------
1431 dnl bgpd needs pow() and hence libm
1432 dnl -------------------------------
1433 TMPLIBS="$LIBS"
1434 LIBS=""
1435 AC_SEARCH_LIBS([pow], [m], [
1436 LIBM="$LIBS"
1437 ], [
1438 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1439 ])
1440 LIBS="$TMPLIBS"
1441 AC_SUBST([LIBM])
1442
1443 AC_CHECK_FUNCS([ppoll], [
1444 AC_DEFINE([HAVE_PPOLL], [1], [have Linux/BSD ppoll()])
1445 ])
1446 AC_CHECK_FUNCS([pollts], [
1447 AC_DEFINE([HAVE_POLLTS], [1], [have NetBSD pollts()])
1448 ])
1449
1450 AC_CHECK_HEADER([asm-generic/unistd.h],
1451 [AC_CHECK_DECL(__NR_setns,
1452 AC_DEFINE([HAVE_NETNS], [1], [Have netns]),,
1453 FRR_INCLUDES [#include <asm-generic/unistd.h>
1454 ])
1455 AC_CHECK_FUNCS([setns])]
1456 )
1457
1458 dnl --------------------------
1459 dnl Determine IS-IS I/O method
1460 dnl --------------------------
1461 AC_DEFINE([ISIS_METHOD_PFPACKET], [1], [constant value for isis method pfpacket])
1462 AC_DEFINE([ISIS_METHOD_DLPI], [2], [constant value for isis method dlpi])
1463 AC_DEFINE([ISIS_METHOD_BPF], [3], [constant value for isis method bpf])
1464 AC_CHECK_HEADER([net/bpf.h])
1465 AC_CHECK_HEADER([sys/dlpi.h])
1466 AC_MSG_CHECKING([zebra IS-IS I/O method])
1467
1468 case "$host_os" in
1469 linux*)
1470 AC_MSG_RESULT([pfpacket])
1471 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1472 ;;
1473 *)
1474 if test "$ac_cv_header_net_bpf_h" = "no"; then
1475 if test "$ac_cv_header_sys_dlpi_h" = "no"; then
1476 AC_MSG_RESULT([none])
1477 if test "$enable_isisd" = "yes" -o "$enable_fabricd" = "yes"; then
1478 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1479 fi
1480 AC_MSG_WARN([*** IS-IS support will not be built ***])
1481 enable_isisd="no"
1482 enable_fabricd="no"
1483 else
1484 AC_MSG_RESULT([DLPI])
1485 fi
1486 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1487 else
1488 AC_MSG_RESULT([BPF])
1489 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1490 fi
1491 ;;
1492 esac
1493 AC_DEFINE_UNQUOTED([ISIS_METHOD], [$ISIS_METHOD_MACRO], [selected method for isis, == one of the constants])
1494
1495 dnl ---------------------------------------------------------------
1496 dnl figure out how to specify an interface in multicast sockets API
1497 dnl ---------------------------------------------------------------
1498 AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1499
1500 AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1501 #include <sys/socket.h>
1502 #include <netinet/in.h>
1503 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1504 #include <linux/types.h>
1505 ])
1506
1507 m4_define([FRR_INCLUDES],
1508 FRR_INCLUDES
1509 [#ifdef HAVE_LINUX_MROUTE_H
1510 # include <linux/mroute.h>
1511 #endif
1512 ])dnl
1513
1514 AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1515 #include <sys/socket.h>
1516 #include <sys/types.h>
1517 #include <netinet/in.h>
1518 #include <net/route.h>
1519 ])
1520
1521 m4_define([FRR_INCLUDES],
1522 FRR_INCLUDES
1523 [#ifdef HAVE_NETINET_IP_MROUTE_H
1524 # include <netinet/ip_mroute.h>
1525 #endif
1526 ])dnl
1527
1528 AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1529 AC_TRY_COMPILE([#include <sys/param.h>],
1530 [#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)
1531 return (0);
1532 #else
1533 #error No support for BSD struct ip_mreq hack detected
1534 #endif],[AC_MSG_RESULT([yes])
1535 AC_DEFINE([HAVE_BSD_STRUCT_IP_MREQ_HACK], [1], [Can pass ifindex in struct ip_mreq])],
1536 AC_MSG_RESULT([no]))
1537
1538 AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1539 AC_TRY_COMPILE([
1540 #include <sys/types.h>
1541 #include <netinet/in.h>
1542 ], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1543 ], [AC_MSG_RESULT([yes])
1544 AC_DEFINE([HAVE_RFC3678], [1], [Have RFC3678 protocol-independed API])],
1545 AC_MSG_RESULT([no]))
1546
1547 dnl ---------------------------------------------------------------
1548 dnl figure out how to check link-state
1549 dnl ---------------------------------------------------------------
1550 AC_CHECK_HEADER([net/if_media.h],
1551 [m4_define([LINK_DETECT_INCLUDES],
1552 FRR_INCLUDES
1553 [#include <net/if_media.h>
1554 ])
1555 AC_CHECK_MEMBERS([struct ifmediareq.ifm_status],
1556 AC_DEFINE([HAVE_BSD_LINK_DETECT], [1], [BSD link-detect]),
1557 [], LINK_DETECT_INCLUDES)],
1558 [],
1559 FRR_INCLUDES)
1560
1561 dnl ---------------------------------------------------------------
1562 dnl Additional, newer way to check link-state using ifi_link_state.
1563 dnl Not available in all BSD's when ifmediareq available
1564 dnl ---------------------------------------------------------------
1565 AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1566 AC_DEFINE([HAVE_BSD_IFI_LINK_STATE], [1], [BSD ifi_link_state available]),
1567 [], FRR_INCLUDES)
1568
1569 dnl ------------------------
1570 dnl TCP_MD5SIG socket option
1571 dnl ------------------------
1572
1573 AC_CHECK_HEADER([netinet/tcp.h],
1574 [m4_define([MD5_INCLUDES],
1575 FRR_INCLUDES
1576 [#include <netinet/tcp.h>
1577 ])
1578 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1579 [],
1580 FRR_INCLUDES)
1581 if test "$ac_cv_have_decl_TCP_MD5SIG" = "no"; then
1582 AC_CHECK_HEADER([linux/tcp.h],
1583 [m4_define([MD5_INCLUDES],
1584 FRR_INCLUDES
1585 [#include <linux/tcp.h>
1586 ])
1587 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1588 fi
1589
1590 AC_CHECK_LIB([crypt], [crypt], [],
1591 [AC_CHECK_LIB([crypto], [DES_crypt])])
1592 AC_CHECK_LIB([resolv], [res_init])
1593
1594 dnl ---------------------------
1595 dnl check system has PCRE regexp
1596 dnl ---------------------------
1597 if test "$enable_pcreposix" = "yes"; then
1598 AC_CHECK_LIB([pcreposix], [regexec], [], [
1599 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1600 ])
1601 fi
1602 AC_SUBST([HAVE_LIBPCREPOSIX])
1603
1604 dnl ##########################################################################
1605 dnl test "$enable_clippy_only" != "yes"
1606 fi
1607 dnl END OF LARGE if block
1608 dnl ##########################################################################
1609
1610 dnl ------------------
1611 dnl check C-Ares library
1612 dnl ------------------
1613 PKG_CHECK_MODULES([CARES], [libcares], [
1614 c_ares_found=true
1615 ],[
1616 c_ares_found=false
1617 ])
1618 AM_CONDITIONAL([CARES], [$c_ares_found])
1619
1620
1621 dnl ----------------------------------------------------------------------------
1622 dnl figure out if domainname is available in the utsname struct (GNU extension).
1623 dnl ----------------------------------------------------------------------------
1624 AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1625
1626 dnl ------------------
1627 dnl IPv6 header checks
1628 dnl ------------------
1629 AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1630 netinet6/in6_var.h netinet6/nd6.h], [], [],
1631 FRR_INCLUDES)
1632
1633 m4_define([FRR_INCLUDES],dnl
1634 FRR_INCLUDES
1635 [#ifdef HAVE_NETINET6_IN6_H
1636 #include <netinet6/in6.h>
1637 #endif
1638 #ifdef HAVE_NETINET_IN6_VAR_H
1639 #include <netinet/in6_var.h>
1640 #endif
1641 #include <netinet/icmp6.h>
1642 #ifdef HAVE_NETINET6_IN6_VAR_H
1643 # include <netinet6/in6_var.h>
1644 #endif
1645 #ifdef HAVE_NETINET6_ND6_H
1646 # include <netinet6/nd6.h>
1647 #endif
1648 ])dnl
1649
1650 dnl --------------------
1651 dnl Daemon disable check
1652 dnl --------------------
1653
1654 AS_IF([test "$enable_bgpd" != "no"], [
1655 AC_DEFINE([HAVE_BGPD], [1], [bgpd])
1656 ])
1657
1658 AS_IF([test "$enable_ripd" != "no"], [
1659 AC_DEFINE([HAVE_RIPD], [1], [ripd])
1660 ])
1661
1662 AS_IF([test "$enable_ripngd" != "no"], [
1663 AC_DEFINE([HAVE_RIPNGD], [1], [ripngd])
1664 ])
1665
1666 AS_IF([test "$enable_ospfd" != "no"], [
1667 AC_DEFINE([HAVE_OSPFD], [1], [ospfd])
1668 ])
1669
1670 AS_IF([test "$enable_ospf6d" != "no"], [
1671 AC_DEFINE([HAVE_OSPF6D], [1], [ospf6d])
1672 ])
1673
1674 AS_IF([test "$enable_ldpd" != "no"], [
1675 AC_DEFINE([HAVE_LDPD], [1], [ldpd])
1676 ])
1677
1678 AS_IF([test "$enable_nhrpd" != "no"], [
1679 AC_DEFINE([HAVE_NHRPD], [1], [nhrpd])
1680 ])
1681
1682 AS_IF([test "$enable_eigrpd" != "no"], [
1683 AC_DEFINE([HAVE_EIGRPD], [1], [eigrpd])
1684 ])
1685
1686 AS_IF([test "$enable_babeld" != "no"], [
1687 AC_DEFINE([HAVE_BABELD], [1], [babeld])
1688 ])
1689
1690 AS_IF([test "$enable_isisd" != "no"], [
1691 AC_DEFINE([HAVE_ISISD], [1], [isisd])
1692 ])
1693
1694 AS_IF([test "$enable_pimd" != "no"], [
1695 AC_DEFINE([HAVE_PIMD], [1], [pimd])
1696 ])
1697
1698 AS_IF([test "$enable_pbrd" != "no"], [
1699 AC_DEFINE([HAVE_PBRD], [1], [pbrd])
1700 ])
1701
1702 AS_IF([test "$enable_sharpd" = "yes"], [
1703 AC_DEFINE([HAVE_SHARPD], [1], [sharpd])
1704 ])
1705
1706 AS_IF([test "$enable_staticd" != "no"], [
1707 AC_DEFINE([HAVE_STATICD], [1], [staticd])
1708 ])
1709
1710 AS_IF([test "$enable_fabricd" != "no"], [
1711 AC_DEFINE([HAVE_FABRICD], [1], [fabricd])
1712 ])
1713
1714 AS_IF([test "$enable_vrrpd" != "no"], [
1715 AC_DEFINE([HAVE_VRRPD], [1], [vrrpd])
1716 ])
1717
1718 if test "$enable_bfdd" = "no"; then
1719 AC_DEFINE([HAVE_BFDD], [0], [bfdd])
1720 BFDD=""
1721 else
1722 AC_DEFINE([HAVE_BFDD], [1], [bfdd])
1723 BFDD="bfdd"
1724
1725 case $host_os in
1726 linux*)
1727 AC_DEFINE([BFD_LINUX], [1], [bfdd])
1728 ;;
1729
1730 *)
1731 AC_DEFINE([BFD_BSD], [1], [bfdd])
1732 ;;
1733 esac
1734 fi
1735
1736 AS_IF([test "$enable_pathd" != "no"], [
1737 AC_DEFINE([HAVE_PATHD], [1], [pathd])
1738 AC_DEFINE([HAVE_PATHD_PCEP], [1], [pathd-pcep])
1739 ])
1740
1741
1742 if test "$ac_cv_lib_json_c_json_object_get" = "no" -a "$BFDD" = "bfdd"; then
1743 AC_MSG_ERROR(["you must use json-c library to use bfdd"])
1744 fi
1745
1746 NHRPD=""
1747 case "$host_os" in
1748 linux*)
1749 case "${enable_nhrpd}" in
1750 no)
1751 ;;
1752 yes)
1753 if test "$enable_clippy_only" != "yes"; then
1754 if test "$c_ares_found" != "true" ; then
1755 AC_MSG_ERROR([nhrpd requires libcares. Please install c-ares and its -dev headers.])
1756 fi
1757 fi
1758 NHRPD="nhrpd"
1759 ;;
1760 *)
1761 if test "$c_ares_found" = "true" ; then
1762 NHRPD="nhrpd"
1763 fi
1764 ;;
1765 esac
1766 ;;
1767 *)
1768 if test "$enable_nhrpd" = "yes"; then
1769 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1770 fi
1771 ;;
1772 esac
1773
1774 if test "$enable_watchfrr" = "no";then
1775 WATCHFRR=""
1776 else
1777 WATCHFRR="watchfrr"
1778 fi
1779
1780 OSPFCLIENT=""
1781 if test "$enable_ospfapi" != "no";then
1782 AC_DEFINE([SUPPORT_OSPF_API], [1], [OSPFAPI])
1783
1784 if test "$enable_ospfclient" != "no";then
1785 OSPFCLIENT="ospfclient"
1786 fi
1787 fi
1788
1789 if test "$enable_bgp_announce" = "no";then
1790 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [1], [Disable BGP installation to zebra])
1791 else
1792 AC_DEFINE([DISABLE_BGP_ANNOUNCE], [0], [Disable BGP installation to zebra])
1793 fi
1794
1795 if test "$enable_bgp_vnc" != "no";then
1796 AC_DEFINE([ENABLE_BGP_VNC], [1], [Enable BGP VNC support])
1797 fi
1798
1799 bgpd_bmp=false
1800 case "${enable_bmp}" in
1801 no)
1802 ;;
1803 yes)
1804 if test "$c_ares_found" != "true" ; then
1805 AC_MSG_ERROR([BMP support requires libcares. Please install c-ares and its -dev headers.])
1806 fi
1807 bgpd_bmp=true
1808 ;;
1809 *)
1810 if test "$c_ares_found" = "true" ; then
1811 bgpd_bmp=true
1812 fi
1813 ;;
1814 esac
1815
1816 if test "$enable_version_build_config" != "no";then
1817 AC_DEFINE([ENABLE_VERSION_BUILD_CONFIG], [1], [Report build configs in show version])
1818 fi
1819
1820 dnl ##########################################################################
1821 dnl LARGE if block
1822 if test "$enable_clippy_only" != "yes"; then
1823 dnl ##########################################################################
1824
1825 dnl ------------------
1826 dnl check Net-SNMP library
1827 dnl ------------------
1828 if test "$enable_snmp" != "" -a "$enable_snmp" != "no"; then
1829 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1830 if test "$NETSNMP_CONFIG" = "no"; then
1831 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1832 fi
1833 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1834 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1835 # net-snmp lists all of its own dependencies. we absolutely do not want that
1836 # among other things we avoid a GPL vs. OpenSSL license conflict here
1837 for removelib in crypto ssl sensors pci wrap; do
1838 SNMP_LIBS="`echo $SNMP_LIBS | sed -e 's/\(^\|\s\)-l'$removelib'\b/ /g' -e 's/\(^\|\s\)\([^\s]*\/\)\?lib'$removelib'\.[^\s]\+\b/ /g'`"
1839 done
1840 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1841 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1842 int main(void);
1843 ],
1844 [
1845 {
1846 return 0;
1847 }
1848 ])], [
1849 AC_MSG_RESULT([no])
1850 AC_MSG_ERROR([--enable-snmp given but not usable])])
1851 case "${enable_snmp}" in
1852 yes)
1853 SNMP_METHOD=agentx
1854 ;;
1855 agentx)
1856 SNMP_METHOD="${enable_snmp}"
1857 ;;
1858 *)
1859 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use yes or agentx])
1860 ;;
1861 esac
1862 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1863 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,[SNMP method to interface with snmpd])
1864 fi
1865 AC_SUBST([SNMP_LIBS])
1866 AC_SUBST([SNMP_CFLAGS])
1867
1868 dnl ---------------
1869 dnl libyang
1870 dnl ---------------
1871 PKG_CHECK_MODULES([LIBYANG], [libyang >= 1.0.184], , [
1872 AC_MSG_ERROR([libyang (>= 1.0.184) was not found on your system.])
1873 ])
1874 ac_cflags_save="$CFLAGS"
1875 CFLAGS="$CFLAGS $LIBYANG_CFLAGS"
1876 AC_CHECK_MEMBER([struct lyd_node.priv], [], [
1877 AC_MSG_ERROR([m4_normalize([
1878 libyang needs to be compiled with ENABLE_LYD_PRIV=ON.
1879 Instructions for this are included in the build documentation for your platform at http://docs.frrouting.org/projects/dev-guide/en/latest/building.html])
1880 ])
1881 ], [[#include <libyang/libyang.h>]])
1882 CFLAGS="$ac_cflags_save"
1883
1884 dnl ---------------
1885 dnl configuration rollbacks
1886 dnl ---------------
1887 SQLITE3=false
1888 if test "$enable_config_rollbacks" = "yes"; then
1889 PKG_CHECK_MODULES([SQLITE3], [sqlite3], [
1890 AC_DEFINE([HAVE_CONFIG_ROLLBACKS], [1], [Enable configuration rollbacks])
1891 AC_DEFINE([HAVE_SQLITE3], [1], [Enable sqlite3 database])
1892 SQLITE3=true
1893 ], [
1894 AC_MSG_ERROR([--enable-config-rollbacks given but sqlite3 was not found on your system.])
1895 ])
1896 fi
1897
1898 dnl ---------------
1899 dnl confd
1900 dnl ---------------
1901 if test "$enable_confd" != "" -a "$enable_confd" != "no"; then
1902 AC_CHECK_PROG([CONFD], [confd], [confd], [/bin/false], "${enable_confd}/bin")
1903 if test "$CONFD" = "/bin/false"; then
1904 AC_MSG_ERROR([confd was not found on your system.])]
1905 fi
1906 CONFD_CFLAGS="-I${enable_confd}/include -L${enable_confd}/lib"
1907 AC_SUBST([CONFD_CFLAGS])
1908 CONFD_LIBS="-lconfd"
1909 AC_SUBST([CONFD_LIBS])
1910 AC_DEFINE([HAVE_CONFD], [1], [Enable confd integration])
1911 fi
1912
1913 dnl ---------------
1914 dnl sysrepo
1915 dnl ---------------
1916 if test "$enable_sysrepo" = "yes"; then
1917 PKG_CHECK_MODULES([SYSREPO], [sysrepo],
1918 [AC_DEFINE([HAVE_SYSREPO], [1], [Enable sysrepo integration])
1919 SYSREPO=true],
1920 [SYSREPO=false
1921 AC_MSG_ERROR([sysrepo was not found on your system.])]
1922 )
1923 fi
1924
1925 dnl ---------------
1926 dnl gRPC
1927 dnl ---------------
1928 if test "$enable_grpc" = "yes"; then
1929 PKG_CHECK_MODULES([GRPC], [grpc grpc++ protobuf], [
1930 AC_CHECK_PROGS([PROTOC], [protoc], [/bin/false])
1931 if test "$PROTOC" = "/bin/false"; then
1932 AC_MSG_FAILURE([grpc requested but protoc not found.])
1933 fi
1934
1935 AC_DEFINE([HAVE_GRPC], [1], [Enable the gRPC northbound plugin])
1936 GRPC=true
1937 ], [
1938 GRPC=false
1939 AC_MSG_ERROR([grpc/grpc++ were not found on your system.])
1940 ])
1941 fi
1942
1943 dnl -----
1944 dnl LTTng
1945 dnl -----
1946 if test "$enable_lttng" = "yes"; then
1947 PKG_CHECK_MODULES([UST], [lttng-ust >= 2.12.0], [
1948 AC_DEFINE([HAVE_LTTNG], [1], [Enable LTTng support])
1949 LTTNG=true
1950 ], [
1951 AC_MSG_ERROR([configuration specifies --enable-lttng but lttng-ust was not found])
1952 ])
1953 fi
1954
1955 dnl ----
1956 dnl USDT
1957 dnl ----
1958 if test "$enable_usdt" = "yes"; then
1959 AC_CHECK_HEADERS([sys/sdt.h], [
1960 AC_DEFINE([HAVE_USDT], [1], [Enable USDT probes])
1961 USDT=true
1962 ], [
1963 AC_MSG_ERROR([configuration specifies --enable-usdt but no USDT kernel headers (sys/sdt.h) found])
1964 ])
1965 fi
1966
1967 dnl ------
1968 dnl ZeroMQ
1969 dnl ------
1970 if test "$enable_zeromq" != "no"; then
1971 PKG_CHECK_MODULES([ZEROMQ], [libzmq >= 4.0.0], [
1972 AC_DEFINE([HAVE_ZEROMQ], [1], [Enable ZeroMQ support])
1973 ZEROMQ=true
1974 ], [
1975 if test "$enable_zeromq" = "yes"; then
1976 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1977 fi
1978 ])
1979 fi
1980
1981 dnl ------------------------------------
1982 dnl Enable RPKI and add librtr to libs
1983 dnl ------------------------------------
1984 if test "$enable_rpki" = "yes"; then
1985 PKG_CHECK_MODULES([RTRLIB], [rtrlib >= 0.5.0],
1986 [RPKI=true],
1987 [RPKI=false
1988 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1989 )
1990 fi
1991
1992 dnl ------------------------------------
1993 dnl pimd is not supported on OpenBSD and MacOS
1994 dnl ------------------------------------
1995 if test "$enable_pimd" != "no"; then
1996 AC_MSG_CHECKING([for pimd OS support])
1997 case "$host_os" in
1998 darwin*)
1999 AC_MSG_RESULT([no])
2000 enable_pimd="no"
2001 ;;
2002 openbsd*)
2003 AC_MSG_RESULT([no])
2004 enable_pimd="no"
2005 ;;
2006 *)
2007 AC_MSG_RESULT([yes])
2008 ;;
2009 esac
2010 fi
2011
2012 dnl -------------------------------------
2013 dnl VRRP is only supported on linux
2014 dnl -------------------------------------
2015 if test "$enable_vrrpd" != "no"; then
2016 AC_MSG_CHECKING([for VRRP OS support])
2017 case "$host_os" in
2018 linux*)
2019 AC_MSG_RESULT([yes])
2020 ;;
2021 *)
2022 AC_MSG_RESULT([no])
2023 enable_vrrpd="no"
2024 ;;
2025 esac
2026 fi
2027
2028 dnl ------------------------------------------
2029 dnl Check whether rtrlib was build with ssh support
2030 dnl ------------------------------------------
2031 AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
2032 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
2033 [[struct tr_ssh_config config;]])],
2034 [AC_MSG_RESULT([yes])
2035 AC_DEFINE([FOUND_SSH], [1], [found_ssh])],
2036 AC_MSG_RESULT([no])
2037 )
2038
2039 dnl ---------------
2040 dnl dlopen & dlinfo
2041 dnl ---------------
2042 AC_SEARCH_LIBS([dlopen], [dl dld], [], [
2043 AC_MSG_ERROR([unable to find the dlopen()])
2044 ])
2045
2046 AC_CHECK_HEADERS([link.h])
2047
2048 AC_CACHE_CHECK([for dlinfo(RTLD_DI_ORIGIN)], [frr_cv_rtld_di_origin], [
2049 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2050 #include <stdlib.h>
2051 #ifdef HAVE_LINK_H
2052 #include <link.h>
2053 #endif
2054 #include <dlfcn.h>
2055 ]], [[
2056 char origin[1];
2057 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
2058 ]])], [
2059 frr_cv_rtld_di_origin=yes
2060 ], [
2061 frr_cv_rtld_di_origin=no
2062 ])
2063 ])
2064 if test "$frr_cv_rtld_di_origin" = "yes"; then
2065 AC_DEFINE([HAVE_DLINFO_ORIGIN], [1], [Have dlinfo RTLD_DI_ORIGIN])
2066 fi
2067
2068 AC_CACHE_CHECK([for dlinfo(RTLD_DI_LINKMAP)], [frr_cv_rtld_di_linkmap], [
2069 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2070 #include <stdlib.h>
2071 #ifdef HAVE_LINK_H
2072 #include <link.h>
2073 #endif
2074 #include <dlfcn.h>
2075 ]], [[
2076 struct link_map *lm = NULL;
2077 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
2078 ]])], [
2079 frr_cv_rtld_di_linkmap=yes
2080 ], [
2081 frr_cv_rtld_di_linkmap=no
2082 ])
2083 ])
2084 if test "$frr_cv_rtld_di_linkmap" = "yes"; then
2085 AC_DEFINE([HAVE_DLINFO_LINKMAP], [1], [Have dlinfo RTLD_DI_LINKMAP])
2086 fi
2087
2088 dnl ##########################################################################
2089 dnl test "$enable_clippy_only" != "yes"
2090 fi
2091 dnl END OF LARGE if block
2092 dnl ##########################################################################
2093
2094 dnl ---------------------------
2095 dnl sockaddr and netinet checks
2096 dnl ---------------------------
2097 AC_CHECK_TYPES([
2098 struct sockaddr_dl,
2099 struct vifctl, struct mfcctl, struct sioc_sg_req,
2100 vifi_t, struct sioc_vif_req, struct igmpmsg,
2101 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
2102 struct nd_opt_adv_interval,
2103 struct nd_opt_homeagent_info, struct nd_opt_adv_interval,
2104 struct nd_opt_rdnss, struct nd_opt_dnssl],
2105 [], [], FRR_INCLUDES)
2106
2107 AC_CHECK_MEMBERS([struct sockaddr.sa_len,
2108 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
2109 struct sockaddr_dl.sdl_len,
2110 struct if6_aliasreq.ifra_lifetime,
2111 struct nd_opt_adv_interval.nd_opt_ai_type],
2112 [], [], FRR_INCLUDES)
2113
2114 dnl ---------------------------
2115 dnl IRDP/pktinfo/icmphdr checks
2116 dnl ---------------------------
2117
2118 AC_CHECK_TYPES([struct in_pktinfo], [
2119 AC_CHECK_TYPES([struct icmphdr], [
2120 IRDP=true
2121 ], [
2122 IRDP=false
2123 ], [FRR_INCLUDES])
2124 ], [
2125 IRDP=false
2126 ], [FRR_INCLUDES])
2127
2128 case "${enable_irdp}" in
2129 yes)
2130 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
2131 ;;
2132 no)
2133 IRDP=false
2134 ;;
2135 esac
2136
2137
2138 dnl -----------------------
2139 dnl checking for IP_PKTINFO
2140 dnl -----------------------
2141 AC_MSG_CHECKING([for IP_PKTINFO])
2142 AC_TRY_COMPILE([#include <netdb.h>], [
2143 int opt = IP_PKTINFO;
2144 ], [
2145 AC_MSG_RESULT([yes])
2146 AC_DEFINE([HAVE_IP_PKTINFO], [1], [Have IP_PKTINFO])
2147 ], [
2148 AC_MSG_RESULT([no])
2149 ])
2150
2151 dnl ---------------------------
2152 dnl checking for IP_RECVDSTADDR
2153 dnl ---------------------------
2154 AC_MSG_CHECKING([for IP_RECVDSTADDR])
2155 AC_TRY_COMPILE([#include <netinet/in.h>], [
2156 int opt = IP_RECVDSTADDR;
2157 ], [
2158 AC_MSG_RESULT([yes])
2159 AC_DEFINE([HAVE_IP_RECVDSTADDR], [1], [Have IP_RECVDSTADDR])
2160 ], [
2161 AC_MSG_RESULT([no])
2162 ])
2163
2164 dnl ----------------------
2165 dnl checking for IP_RECVIF
2166 dnl ----------------------
2167 AC_MSG_CHECKING([for IP_RECVIF])
2168 AC_TRY_COMPILE([#include <netinet/in.h>], [
2169 int opt = IP_RECVIF;
2170 ], [
2171 AC_MSG_RESULT([yes])
2172 AC_DEFINE([HAVE_IP_RECVIF], [1], [Have IP_RECVIF])
2173 ], [
2174 AC_MSG_RESULT([no])
2175 ])
2176
2177 dnl ----------------------
2178 dnl checking for SO_BINDANY
2179 dnl ----------------------
2180 AC_MSG_CHECKING([for SO_BINDANY])
2181 AC_TRY_COMPILE([#include <sys/socket.h>], [
2182 int opt = SO_BINDANY;
2183 ], [
2184 AC_MSG_RESULT([yes])
2185 AC_DEFINE([HAVE_SO_BINDANY], [1], [Have SO_BINDANY])
2186 ], [
2187 AC_MSG_RESULT([no])
2188 ])
2189
2190 dnl ----------------------
2191 dnl checking for IP_FREEBIND
2192 dnl ----------------------
2193 AC_MSG_CHECKING([for IP_FREEBIND])
2194 AC_TRY_COMPILE([#include <netinet/in.h>], [
2195 int opt = IP_FREEBIND;
2196 ], [
2197 AC_MSG_RESULT([yes])
2198 AC_DEFINE([HAVE_IP_FREEBIND], [1], [Have IP_FREEBIND])
2199 ], [
2200 AC_MSG_RESULT([no])
2201 ])
2202
2203 dnl --------------------------------------
2204 dnl checking for be32dec existence or not
2205 dnl --------------------------------------
2206 AC_CHECK_DECLS([be32enc, be32dec], [], [],
2207 [#include <sys/endian.h>])
2208
2209 dnl --------------------------------------
2210 dnl checking for clock_time monotonic struct and call
2211 dnl --------------------------------------
2212 AC_CHECK_DECL([CLOCK_MONOTONIC],
2213 [AC_CHECK_LIB([rt], [clock_gettime], [LIBS="$LIBS -lrt"])
2214 AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Have monotonic clock])
2215 ], [AC_MSG_RESULT([no])], [FRR_INCLUDES])
2216
2217 AC_SEARCH_LIBS([clock_nanosleep], [rt], [
2218 AC_DEFINE([HAVE_CLOCK_NANOSLEEP], [1], [Have clock_nanosleep()])
2219 ])
2220
2221 dnl --------------------------------------
2222 dnl checking for flex and bison
2223 dnl --------------------------------------
2224
2225 AM_PROG_LEX
2226 AC_MSG_CHECKING([version of flex])
2227 frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
2228 frr_ac_flex_version="${frr_ac_flex_version##* }"
2229 AC_MSG_RESULT([$frr_ac_flex_version])
2230 AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
2231 LEX="$SHELL $missing_dir/missing flex"
2232 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
2233 AC_MSG_WARN([using pregenerated flex output files])
2234 else
2235 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
2236 fi
2237 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
2238 AC_SUBST([LEXLIB], [''])
2239 ])
2240
2241 AC_PROG_YACC
2242 dnl thanks GNU bison for this b*llshit...
2243 AC_MSG_CHECKING([version of bison])
2244 frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
2245 frr_ac_bison_version="${frr_ac_bison_version##* }"
2246 frr_ac_bison_missing="false"
2247 case "x${frr_ac_bison_version}x" in
2248 x2.7*)
2249 BISON_OPENBRACE='"'
2250 BISON_CLOSEBRACE='"'
2251 BISON_VERBOSE=''
2252 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
2253 ;;
2254 x2.*|x1.*)
2255 AC_MSG_RESULT([$frr_ac_bison_version])
2256 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
2257 frr_ac_bison_missing="true"
2258 ;;
2259 x)
2260 AC_MSG_RESULT([none])
2261 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
2262 frr_ac_bison_missing="true"
2263 ;;
2264 x3.[012][^0-9]*)
2265 BISON_OPENBRACE='{'
2266 BISON_CLOSEBRACE='}'
2267 BISON_VERBOSE='-Dparse.error=verbose'
2268 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 to 3.2])
2269 ;;
2270 *)
2271 BISON_OPENBRACE='{'
2272 BISON_CLOSEBRACE='}'
2273 BISON_VERBOSE='-Dparse.error=verbose -Wno-yacc'
2274 AC_MSG_RESULT([$frr_ac_bison_version - 3.3 or newer])
2275 ;;
2276 esac
2277 AC_SUBST([BISON_OPENBRACE])
2278 AC_SUBST([BISON_CLOSEBRACE])
2279 AC_SUBST([BISON_VERBOSE])
2280
2281 if $frr_ac_bison_missing; then
2282 YACC="$SHELL $missing_dir/missing bison -y"
2283 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
2284 AC_MSG_WARN([using pregenerated bison output files])
2285 else
2286 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
2287 fi
2288 fi
2289
2290 dnl -------------------
2291 dnl capabilities checks
2292 dnl -------------------
2293 if test "$enable_capabilities" != "no"; then
2294 AC_MSG_CHECKING([whether prctl PR_SET_KEEPCAPS is available])
2295 AC_TRY_COMPILE([#include <sys/prctl.h>], [prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
2296 [AC_MSG_RESULT([yes])
2297 AC_DEFINE([HAVE_PR_SET_KEEPCAPS], [1], [prctl])
2298 frr_ac_keepcaps="yes"],
2299 AC_MSG_RESULT([no])
2300 )
2301 if test "$frr_ac_keepcaps" = "yes"; then
2302 AC_CHECK_HEADERS([sys/capability.h])
2303 fi
2304 if test "$ac_cv_header_sys_capability_h" = "yes"; then
2305 AC_CHECK_LIB([cap], [cap_init],
2306 [AC_DEFINE([HAVE_LCAPS], [1], [Capabilities])
2307 LIBCAP="-lcap"
2308 frr_ac_lcaps="yes"]
2309 )
2310 fi
2311 if test "$frr_ac_scaps" = "yes" \
2312 -o "$frr_ac_lcaps" = "yes"; then
2313 AC_DEFINE([HAVE_CAPABILITIES], [1], [capabilities])
2314 fi
2315
2316 case "$host_os" in
2317 linux*)
2318 if test "$enable_clippy_only" != "yes"; then
2319 if test "$frr_ac_lcaps" != "yes"; then
2320 AC_MSG_ERROR([libcap and/or its headers were not found. Running FRR without libcap support built in causes a huge performance penalty.])
2321 fi
2322 fi
2323 ;;
2324 esac
2325 else
2326 case "$host_os" in
2327 linux*)
2328 AC_MSG_WARN([Running FRR without libcap support built in causes a huge performance penalty.])
2329 ;;
2330 esac
2331 fi
2332 AC_SUBST([LIBCAP])
2333
2334 dnl ---------------------------
2335 dnl check for glibc 'backtrace'
2336 dnl ---------------------------
2337 if test "$enable_backtrace" != "no" ; then
2338 backtrace_ok=no
2339 PKG_CHECK_MODULES([UNWIND], [libunwind], [
2340 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2341 backtrace_ok=yes
2342 ], [
2343 true
2344 ])
2345
2346 if test "$backtrace_ok" = "no"; then
2347 AC_CHECK_HEADER([unwind.h], [
2348 AC_SEARCH_LIBS([unw_getcontext], [unwind], [
2349 AC_DEFINE([HAVE_LIBUNWIND], [1], [libunwind])
2350 backtrace_ok=yes
2351 ])
2352 ])
2353 fi
2354
2355 if test "$backtrace_ok" = "no"; then
2356 AC_CHECK_HEADER([execinfo.h], [
2357 AC_SEARCH_LIBS([backtrace], [execinfo], [
2358 AC_DEFINE([HAVE_GLIBC_BACKTRACE], [1], [Glibc backtrace])
2359 backtrace_ok=yes
2360 ],, [-lm])
2361 ])
2362 fi
2363
2364 if test "$enable_backtrace" = "yes" -a "$backtrace_ok" = "no"; then
2365 dnl user explicitly requested backtrace but we failed to find support
2366 AC_MSG_FAILURE([failed to find backtrace or libunwind support])
2367 fi
2368 fi
2369
2370 dnl -----------------------------------------
2371 dnl check for malloc mallinfo struct and call
2372 dnl this must try and link using LIBS, in
2373 dnl order to check no alternative allocator
2374 dnl has been specified, which might not provide
2375 dnl mallinfo
2376 dnl -----------------------------------------
2377 AC_CHECK_HEADERS([malloc.h malloc_np.h malloc/malloc.h],,, [FRR_INCLUDES])
2378
2379 AC_CACHE_CHECK([whether mallinfo is available], [frr_cv_mallinfo], [
2380 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2381 #ifdef HAVE_MALLOC_H
2382 #include <malloc.h>
2383 #endif
2384 #ifdef HAVE_MALLOC_NP_H
2385 #include <malloc_np.h>
2386 #endif
2387 #ifdef HAVE_MALLOC_MALLOC_H
2388 #include <malloc/malloc.h>
2389 #endif
2390 ]], [[
2391 struct mallinfo ac_x; ac_x = mallinfo ();
2392 ]])], [
2393 frr_cv_mallinfo=yes
2394 ], [
2395 frr_cv_mallinfo=no
2396 ])
2397 ])
2398 if test "$frr_cv_mallinfo" = "yes"; then
2399 AC_DEFINE([HAVE_MALLINFO], [1], [mallinfo])
2400 fi
2401
2402 AC_CACHE_CHECK([whether mallinfo2 is available], [frr_cv_mallinfo2], [
2403 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2404 #ifdef HAVE_MALLOC_H
2405 #include <malloc.h>
2406 #endif
2407 #ifdef HAVE_MALLOC_NP_H
2408 #include <malloc_np.h>
2409 #endif
2410 #ifdef HAVE_MALLOC_MALLOC_H
2411 #include <malloc/malloc.h>
2412 #endif
2413 ]], [[
2414 struct mallinfo2 ac_x; ac_x = mallinfo2 ();
2415 ]])], [
2416 frr_cv_mallinfo2=yes
2417 ], [
2418 frr_cv_mallinfo2=no
2419 ])
2420 ])
2421 if test "$frr_cv_mallinfo2" = "yes"; then
2422 AC_DEFINE([HAVE_MALLINFO2], [1], [mallinfo2])
2423 fi
2424
2425 AC_MSG_CHECKING([whether malloc_usable_size is available])
2426 AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
2427 #ifdef HAVE_MALLOC_H
2428 #include <malloc.h>
2429 #endif
2430 #ifdef HAVE_MALLOC_MALLOC_H
2431 #include <malloc/malloc.h>
2432 #endif
2433 ]], [[
2434 size_t ac_x; ac_x = malloc_usable_size(NULL);
2435 ]])], [
2436 AC_MSG_RESULT([yes])
2437 AC_DEFINE([HAVE_MALLOC_USABLE_SIZE], [1], [malloc_usable_size])
2438 ], [
2439 AC_MSG_RESULT([no])
2440
2441 AC_MSG_CHECKING([whether malloc_size is available])
2442 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2443 #ifdef HAVE_MALLOC_H
2444 #include <malloc.h>
2445 #endif
2446 #ifdef HAVE_MALLOC_MALLOC_H
2447 #include <malloc/malloc.h>
2448 #endif
2449 ]], [[
2450 size_t ac_x; ac_x = malloc_size(NULL);
2451 ]])], [
2452 AC_MSG_RESULT([yes])
2453 AC_DEFINE([HAVE_MALLOC_SIZE], [1], [malloc_size])
2454 ], [
2455 AC_MSG_RESULT([no])
2456 ])
2457 ])
2458
2459 dnl ----------
2460 dnl configure date
2461 dnl ----------
2462 dev_version=`echo $VERSION | grep dev`
2463 #don't expire deprecated code in non 'dev' branch
2464 if test "$dev_version" = ""; then
2465 CONFDATE=0
2466 else
2467 CONFDATE=`date '+%Y%m%d'`
2468 fi
2469 AC_SUBST([CONFDATE])
2470
2471 dnl ------------------------------
2472 dnl set paths for state directory
2473 dnl ------------------------------
2474 AC_MSG_CHECKING([directory to use for state file])
2475 if test "$prefix" = "NONE"; then
2476 frr_statedir_prefix="";
2477 else
2478 frr_statedir_prefix=${prefix}
2479 fi
2480 if test "$localstatedir" = '${prefix}/var'; then
2481 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
2482 ${frr_statedir_prefix}/var/adm dnl
2483 ${frr_statedir_prefix}/etc dnl
2484 /var/run dnl
2485 /var/adm dnl
2486 /etc dnl
2487 /dev/null;
2488 do
2489 test -d $FRR_STATE_DIR && break
2490 done
2491 frr_statedir=$FRR_STATE_DIR
2492 else
2493 frr_statedir=${localstatedir}
2494 fi
2495 if test "$frr_statedir" = "/dev/null"; then
2496 AC_MSG_ERROR([STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!])
2497 fi
2498 AC_MSG_RESULT([${frr_statedir}])
2499 AC_SUBST([frr_statedir])
2500
2501 AC_DEFINE_UNQUOTED([LDPD_SOCKET], ["$frr_statedir%s%s/ldpd.sock"], [ldpd control socket])
2502 AC_DEFINE_UNQUOTED([ZEBRA_SERV_PATH], ["$frr_statedir%s%s/zserv.api"], [zebra api socket])
2503 AC_DEFINE_UNQUOTED([BFDD_CONTROL_SOCKET], ["$frr_statedir%s%s/bfdd.sock"], [bfdd control socket])
2504 AC_DEFINE_UNQUOTED([DAEMON_VTY_DIR], ["$frr_statedir%s%s"], [daemon vty directory])
2505 AC_DEFINE_UNQUOTED([DAEMON_DB_DIR], ["$frr_statedir"], [daemon database directory])
2506
2507 dnl autoconf does this, but it does it too late...
2508 test "$prefix" = "NONE" && prefix=$ac_default_prefix
2509 test "$exec_prefix" = "NONE" && exec_prefix='${prefix}'
2510
2511 dnl get the full path, recursing through variables...
2512 vtysh_bin="$bindir/vtysh"
2513 for I in 1 2 3 4 5 6 7 8 9 10; do
2514 eval vtysh_bin="\"$vtysh_bin\""
2515 done
2516 AC_DEFINE_UNQUOTED([VTYSH_BIN_PATH], ["$vtysh_bin"], [path to vtysh binary])
2517 AC_SUBST([vtysh_bin])
2518
2519 CFG_SYSCONF="$sysconfdir"
2520 CFG_SBIN="$sbindir"
2521 CFG_STATE="$frr_statedir"
2522 CFG_MODULE="$moduledir"
2523 CFG_YANGMODELS="$yangmodelsdir"
2524 CFG_SCRIPT="$scriptdir"
2525 for I in 1 2 3 4 5 6 7 8 9 10; do
2526 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
2527 eval CFG_SBIN="\"$CFG_SBIN\""
2528 eval CFG_STATE="\"$CFG_STATE\""
2529 eval CFG_MODULE="\"$CFG_MODULE\""
2530 eval CFG_YANGMODELS="\"$CFG_YANGMODELS\""
2531 eval CFG_SCRIPT="\"$CFG_SCRIPT\""
2532 done
2533 AC_SUBST([CFG_SYSCONF])
2534 AC_SUBST([CFG_SBIN])
2535 AC_SUBST([CFG_STATE])
2536 AC_SUBST([CFG_MODULE])
2537 AC_SUBST([CFG_SCRIPT])
2538 AC_SUBST([CFG_YANGMODELS])
2539 AC_DEFINE_UNQUOTED([MODULE_PATH], ["$CFG_MODULE"], [path to modules])
2540 AC_DEFINE_UNQUOTED([SCRIPT_PATH], ["$CFG_SCRIPT"], [path to scripts])
2541 AC_DEFINE_UNQUOTED([YANG_MODELS_PATH], ["$CFG_YANGMODELS"], [path to YANG data models])
2542 AC_DEFINE_UNQUOTED([WATCHFRR_SH_PATH], ["${CFG_SBIN%/}/watchfrr.sh"], [path to watchfrr.sh])
2543
2544 dnl various features
2545 AM_CONDITIONAL([SUPPORT_REALMS], [test "$enable_realms" = "yes"])
2546 AM_CONDITIONAL([ENABLE_BGP_VNC], [test "$enable_bgp_vnc" != "no"])
2547 AM_CONDITIONAL([BGP_BMP], [$bgpd_bmp])
2548 dnl northbound
2549 AM_CONDITIONAL([SQLITE3], [$SQLITE3])
2550 AM_CONDITIONAL([CONFD], [test "$enable_confd" != ""])
2551 AM_CONDITIONAL([SYSREPO], [test "$enable_sysrepo" = "yes"])
2552 AM_CONDITIONAL([GRPC], [test "$enable_grpc" = "yes"])
2553 AM_CONDITIONAL([ZEROMQ], [test "$ZEROMQ" = "true"])
2554 dnl plugins
2555 AM_CONDITIONAL([RPKI], [test "$RPKI" = "true"])
2556 AM_CONDITIONAL([SNMP], [test "$SNMP_METHOD" = "agentx"])
2557 AM_CONDITIONAL([IRDP], [$IRDP])
2558 AM_CONDITIONAL([FPM], [test "$enable_fpm" = "yes"])
2559 AM_CONDITIONAL([HAVE_PROTOBUF], [test "$enable_protobuf" = "yes"])
2560 AM_CONDITIONAL([HAVE_PROTOBUF3], [$PROTO3])
2561
2562 dnl PCEP plugin
2563 AS_IF([test "$enable_pathd" != "no"], [
2564 AC_SUBST([PATHD_PCEP_LIBS], ["pceplib/libpcep_pcc.la"])
2565 AC_SUBST([PATHD_PCEP_INCL], ["-I./pceplib "])
2566 ])
2567 AC_CHECK_LIB([cunit], [CU_initialize_registry], [pcep_cunit=yes],[pcep_cunit=no])
2568 AM_CONDITIONAL([PATHD_PCEP_TEST], [test "x${pcep_cunit}" = xyes])
2569 AC_CHECK_PROG(VALGRIND_CHECK, valgrind, yes)
2570 AM_CONDITIONAL([HAVE_VALGRIND_PCEP], [test "$VALGRIND_CHECK" = "yes"])
2571
2572 dnl daemons
2573 AM_CONDITIONAL([VTYSH], [test "$VTYSH" = "vtysh"])
2574 AM_CONDITIONAL([ZEBRA], [test "$enable_zebra" != "no"])
2575 AM_CONDITIONAL([BGPD], [test "$enable_bgpd" != "no"])
2576 AM_CONDITIONAL([RIPD], [test "$enable_ripd" != "no"])
2577 AM_CONDITIONAL([OSPFD], [test "$enable_ospfd" != "no"])
2578 AM_CONDITIONAL([LDPD], [test "$enable_ldpd" != "no"])
2579 AM_CONDITIONAL([BFDD], [test "$BFDD" = "bfdd"])
2580 AM_CONDITIONAL([NHRPD], [test "$NHRPD" = "nhrpd"])
2581 AM_CONDITIONAL([EIGRPD], [test "$enable_eigrpd" != "no"])
2582 AM_CONDITIONAL([WATCHFRR], [test "$WATCHFRR" = "watchfrr"])
2583 AM_CONDITIONAL([OSPFCLIENT], [test "$OSPFCLIENT" = "ospfclient"])
2584 AM_CONDITIONAL([RIPNGD], [test "$enable_ripngd" != "no"])
2585 AM_CONDITIONAL([BABELD], [test "$enable_babeld" != "no"])
2586 AM_CONDITIONAL([OSPF6D], [test "$enable_ospf6d" != "no"])
2587 AM_CONDITIONAL([ISISD], [test "$enable_isisd" != "no"])
2588 AM_CONDITIONAL([PIMD], [test "$enable_pimd" != "no"])
2589 AM_CONDITIONAL([PBRD], [test "$enable_pbrd" != "no"])
2590 AM_CONDITIONAL([SHARPD], [test "$enable_sharpd" = "yes"])
2591 AM_CONDITIONAL([STATICD], [test "$enable_staticd" != "no"])
2592 AM_CONDITIONAL([FABRICD], [test "$enable_fabricd" != "no"])
2593 AM_CONDITIONAL([VRRPD], [test "$enable_vrrpd" != "no"])
2594 AM_CONDITIONAL([PATHD], [test "$enable_pathd" != "no"])
2595 AM_CONDITIONAL([PATHD_PCEP], [test "$enable_pathd" != "no"])
2596
2597 AC_CONFIG_FILES([Makefile],[
2598 test "$enable_dev_build" = "yes" && makefile_devbuild="--dev-build"
2599 ${PYTHON} "${ac_abs_top_srcdir}/python/makefile.py" ${makefile_devbuild} || exit 1
2600 ], [
2601 PYTHON="$PYTHON"
2602 enable_dev_build="$enable_dev_build"
2603 ])
2604
2605 AC_CONFIG_FILES([
2606 config.version
2607 changelog-auto
2608 redhat/frr.spec
2609 alpine/APKBUILD
2610 snapcraft/snapcraft.yaml
2611 lib/version.h
2612 tests/lib/cli/test_cli.refout
2613 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
2614 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
2615 pkgsrc/eigrpd.sh])
2616
2617 AC_CONFIG_FILES([vtysh/extract.pl], [chmod +x vtysh/extract.pl])
2618 AC_CONFIG_FILES([tools/frr], [chmod +x tools/frr])
2619 AC_CONFIG_FILES([tools/watchfrr.sh], [chmod +x tools/watchfrr.sh])
2620 AC_CONFIG_FILES([tools/frrinit.sh], [chmod +x tools/frrinit.sh])
2621 AC_CONFIG_FILES([tools/frrcommon.sh])
2622 AC_CONFIG_FILES([tools/frr.service])
2623 AC_CONFIG_FILES([tools/frr@.service])
2624
2625 AS_IF([test "$with_pkg_git_version" = "yes"], [
2626 AC_CONFIG_COMMANDS([lib/gitversion.h], [
2627 dst="${ac_abs_top_builddir}/lib/gitversion.h"
2628 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
2629 "${ac_abs_top_srcdir}" \
2630 > "${dst}.tmp"
2631 test -f "$dst" \
2632 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
2633 && rm "${dst}.tmp" \
2634 || mv "${dst}.tmp" "${dst}"
2635 ], [
2636 PERL="$PERL"
2637 ])
2638 ])
2639
2640 ## Hack, but working solution to avoid rebuilding of frr.info.
2641 ## It's already in CVS until texinfo 4.7 is more common.
2642 AC_OUTPUT
2643
2644 if test "$enable_rpath" = "yes" ; then
2645 true
2646 else
2647 # See https://old-en.opensuse.org/openSUSE:Packaging_Guidelines#Removing_Rpath
2648 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
2649 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
2650 fi
2651
2652 echo "
2653 FRRouting configuration
2654 ------------------------------
2655 FRR version : ${PACKAGE_VERSION}
2656 host operating system : ${host_os}
2657 source code location : ${srcdir}
2658 compiler : ${CC}
2659 compiler flags : ${CFLAGS} ${AC_CFLAGS} ${SAN_FLAGS}
2660 make : ${MAKE-make}
2661 linker flags : ${LDFLAGS} ${SAN_FLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
2662 state file directory : ${frr_statedir}
2663 config file directory : `eval echo \`echo ${sysconfdir}\``
2664 example directory : `eval echo \`echo ${exampledir}\``
2665 module directory : ${CFG_MODULE}
2666 script directory : ${CFG_SCRIPT}
2667 user to run as : ${enable_user}
2668 group to run as : ${enable_group}
2669 group for vty sockets : ${enable_vty_group}
2670 config file mask : ${enable_configfile_mask}
2671 log file mask : ${enable_logfile_mask}
2672 zebra protobuf enabled : ${enable_protobuf:-no}
2673 vici socket path : ${vici_socket}
2674
2675 The above user and group must have read/write access to the state file
2676 directory and to the config files in the config file directory."
2677
2678 if test "$enable_doc" != "no" -a "$frr_py_mod_sphinx" = "false"; then
2679 AC_MSG_WARN([sphinx is missing but required to build documentation])
2680 fi
2681 if test "$frr_py_mod_pytest" = "false"; then
2682 AC_MSG_WARN([pytest is missing, unit tests cannot be performed])
2683 fi