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zebra: Add some information to redistribute debugs
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1##
2## Configure template file for FRRouting.
3## autoconf will generate 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##
8AC_PREREQ(2.60)
9
10AC_INIT(frr, 4.1-dev, [https://github.com/frrouting/frr/issues])
11PACKAGE_URL="https://frrouting.org/"
12AC_SUBST(PACKAGE_URL)
13PACKAGE_FULLNAME="FRRouting"
14AC_SUBST(PACKAGE_FULLNAME)
15
16CONFIG_ARGS="$ac_configure_args"
17AC_SUBST(CONFIG_ARGS)
18
19AC_CONFIG_SRCDIR(lib/zebra.h)
20AC_CONFIG_MACRO_DIR([m4])
21
22dnl -----------------------------------
23dnl Get hostname and other information.
24dnl -----------------------------------
25AC_CANONICAL_BUILD()
26AC_CANONICAL_HOST()
27
28AS_IF([test "$host" != "$build"], [
29 if test "$srcdir" = "."; then
30 AC_MSG_ERROR([cross-compilation is only possible with builddir separate from srcdir. create a separate directory and run as .../path-to-frr/configure.])
31 fi
32 test -d hosttools || mkdir hosttools
33 abssrc="`cd \"${srcdir}\"; pwd`"
34
35 AC_MSG_NOTICE([...])
36 AC_MSG_NOTICE([... cross-compilation: creating hosttools directory and self-configuring for build platform tools])
37 AC_MSG_NOTICE([... use HOST_CPPFLAGS / HOST_CFLAGS / HOST_LDFLAGS if neccessary])
38 AC_MSG_NOTICE([...])
39
40 ( CPPFLAGS="$HOST_CPPFLAGS"; \
41 CFLAGS="$HOST_CFLAGS"; \
42 LDFLAGS="$HOST_LDFLAGS"; \
43 cd hosttools; "${abssrc}/configure" "--host=$build" "--build=$build" "--enable-clippy-only" "--disable-nhrpd" "--disable-vtysh"; )
44
45 AC_MSG_NOTICE([...])
46 AC_MSG_NOTICE([... cross-compilation: finished self-configuring for build platform tools])
47 AC_MSG_NOTICE([...])
48
49 build_clippy="false"
50 HOSTTOOLS="hosttools/"
51], [
52 build_clippy="true"
53 HOSTTOOLS=""
54])
55AC_SUBST(HOSTTOOLS)
56AM_CONDITIONAL([BUILD_CLIPPY], [$build_clippy])
57
58# Disable portability warnings -- our automake code (in particular
59# common.am) uses some constructs specific to gmake.
60AM_INIT_AUTOMAKE([1.12 -Wno-portability])
61m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
62AM_SILENT_RULES([yes])
63AC_CONFIG_HEADERS(config.h)
64
65AC_PATH_PROG(PERL, perl)
66PKG_PROG_PKG_CONFIG
67
68dnl default is to match previous behavior
69exampledir=${sysconfdir}
70AC_ARG_ENABLE([exampledir],
71 AS_HELP_STRING([--enable-exampledir],
72 [specify alternate directory for examples]),
73 exampledir="$enableval",)
74dnl XXX add --exampledir to autoconf standard directory list somehow
75AC_SUBST(exampledir)
76
77dnl default is to match previous behavior
78pkgsrcrcdir=""
79AC_ARG_ENABLE([pkgsrcrcdir],
80 AS_HELP_STRING([--enable-pkgsrcrcdir],
81 [specify directory for rc.d scripts]),
82 pkgsrcrcdir="$enableval",)
83dnl XXX add --pkgsrcrcdir to autoconf standard directory list somehow
84AC_SUBST(pkgsrcrcdir)
85AM_CONDITIONAL([PKGSRC], [test "x$pkgsrcrcdir" != "x"])
86
87AC_ARG_WITH([moduledir], [AS_HELP_STRING([--with-moduledir=DIR], [module directory (${libdir}/frr/modules)])], [
88 moduledir="$withval"
89], [
90 moduledir="\${libdir}/frr/modules"
91])
92AC_SUBST([moduledir], [$moduledir])
93
94AC_ARG_ENABLE(tcmalloc,
95 AS_HELP_STRING([--enable-tcmalloc], [Turn on tcmalloc]),
96[case "${enableval}" in
97 yes) tcmalloc_enabled=true
98LIBS="$LIBS -ltcmalloc_minimal"
99 ;;
100 no) tcmalloc_enabled=false ;;
101 *) AC_MSG_ERROR(bad value ${enableval} for --enable-tcmalloc) ;;
102esac],[tcmalloc_enabled=false])
103
104
105dnl Thanks autoconf, but we don't want a default -g -O2. We have our own
106dnl flag determination logic.
107CFLAGS="${CFLAGS:-}"
108
109dnl --------------------
110dnl Check CC and friends
111dnl --------------------
112dnl note orig_cflags is also used further down
113orig_cflags="$CFLAGS"
114AC_LANG([C])
115AC_PROG_CC
116AC_PROG_CPP
117AM_PROG_CC_C_O
118dnl remove autoconf default "-g -O2"
119CFLAGS="$orig_cflags"
120AC_PROG_CC_C99
121dnl NB: see C11 below
122
123AC_PROG_EGREP
124PKG_PROG_PKG_CONFIG
125
126dnl autoconf 2.59 appears not to support AC_PROG_SED
127dnl AC_PROG_SED
128AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
129
130dnl try and enable CFLAGS that are useful for FRR
131dnl - specifically, options to control warnings
132
133AC_USE_SYSTEM_EXTENSIONS
134AC_DEFUN([AC_C_FLAG], [{
135 AC_LANG_PUSH(C)
136 ac_c_flag_save="$CFLAGS"
137 CFLAGS="$CFLAGS $1"
138 AC_MSG_CHECKING([[whether $CC supports $1]])
139 AC_COMPILE_IFELSE(
140 [AC_LANG_PROGRAM([[]])],
141 [
142 AC_MSG_RESULT([yes])
143 m4_if([$3], [], [], [
144 CFLAGS="$ac_c_flag_save"
145 $3
146 ])
147 ], [
148 CFLAGS="$ac_c_flag_save"
149 AC_MSG_RESULT([no])
150 $2
151 ])
152 AC_LANG_POP(C)
153 }])
154
155AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
156 AC_LANG_PUSH(C)
157 ac_cflags_save="$CFLAGS"
158 ac_libs_save="$LIBS"
159 CFLAGS="$CFLAGS $1"
160 LIBS="$LIBS $2"
161 AC_LINK_IFELSE(
162 [$3],
163 [
164 AC_MSG_RESULT([yes])
165 CFLAGS="$ac_cflags_save"
166 LIBS="$ac_libs_save"
167 $5
168 ], [
169 AC_MSG_RESULT([no])
170 CFLAGS="$ac_cflags_save"
171 LIBS="$ac_libs_save"
172 $4
173 ])
174 AC_LANG_POP(C)
175 }])
176
177dnl ICC won't bail on unknown options without -diag-error 10006
178dnl need to do this first so we get useful results for the other options
179AC_C_FLAG([-diag-error 10006])
180
181dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
182ac_cc="$CC"
183CC="${CC% -std=gnu99}"
184CC="${CC% -std=c99}"
185
186AC_C_FLAG([-std=gnu11], [CC="$ac_cc"], [CC="$CC -std=gnu11"])
187
188dnl AddressSanitizer support
189AC_ARG_ENABLE([address-sanitizer], AS_HELP_STRING([--enable-address-sanitizer], \
190 [enabled AddressSanitizer support for detecting a wide variety of \
191 memory allocation and deallocation errors]), \
192 [AC_DEFINE(HAVE_ADDRESS_SANITIZER, 1, [enable AddressSanitizer])
193 CFLAGS="$CFLAGS -fsanitize=address"
194 CXXFLAGS="$CXXFLAGS -fsanitize=address"
195 AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Address Sanitizer Enabled])],
196 [AC_MSG_ERROR([Address Sanitizer not available])])
197 ])
198
199dnl ThreadSanitizer support
200AC_ARG_ENABLE([thread-sanitizer], AS_HELP_STRING([--enable-thread-sanitizer], \
201 [enabled ThreadSanitizer support for detecting data races]), \
202 [AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable ThreadSanitizer])
203 CFLAGS="$CFLAGS -fsanitize=thread"
204 CXXFLAGS="$CXXFLAGS -fsanitize=thread"
205 AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Thread Sanitizer Enabled])],
206 [AC_MSG_ERROR([Thread Sanitizer not available])])
207 ])
208
209dnl MemorySanitizer support
210AC_ARG_ENABLE([memory-sanitizer], AS_HELP_STRING([--enable-memory-sanitizer], \
211 [enabled MemorySanitizer support for detecting uninitialized memory reads]), \
212 [AC_DEFINE(HAVE_THREAD_SANITIZER, 1, [enable MemorySanitizer])
213 CFLAGS="$CFLAGS -fsanitize=memory -fPIE -pie"
214 CXXFLAGS="$CXXFLAGS -fsanitize=memory -fPIE -pie"
215 AC_TRY_COMPILE([],[const int i=0;],[AC_MSG_NOTICE([Memory Sanitizer Enabled])],
216 [AC_MSG_ERROR([Memory Sanitizer not available])])
217 ])
218
219dnl if the user has specified any CFLAGS, override our settings
220if test "x${enable_dev_build}" = "xyes"; then
221 AC_DEFINE(DEV_BUILD,,Build for development)
222 if test "z$orig_cflags" = "z"; then
223 AC_C_FLAG([-g3])
224 AC_C_FLAG([-O0])
225 fi
226else
227 if test "z$orig_cflags" = "z"; then
228 AC_C_FLAG([-g])
229 AC_C_FLAG([-Os], [
230 AC_C_FLAG([-O2])
231 ])
232 fi
233fi
234AM_CONDITIONAL([DEV_BUILD], [test "x$enable_dev_build" = "xyes"])
235AM_CONDITIONAL([SHARPD], [test "x$enable_dev_build" = "xyes"])
236
237dnl always want these CFLAGS
238AC_C_FLAG([-fno-omit-frame-pointer])
239AC_C_FLAG([-funwind-tables])
240AC_C_FLAG([-Wall])
241AC_C_FLAG([-Wextra])
242AC_C_FLAG([-Wmissing-prototypes])
243AC_C_FLAG([-Wmissing-declarations])
244AC_C_FLAG([-Wpointer-arith])
245AC_C_FLAG([-Wbad-function-cast])
246AC_C_FLAG([-Wwrite-strings])
247if test x"${enable_gcc_ultra_verbose}" = x"yes" ; then
248 AC_C_FLAG([-Wcast-qual])
249 AC_C_FLAG([-Wstrict-prototypes])
250 AC_C_FLAG([-Wmissing-noreturn])
251 AC_C_FLAG([-Wmissing-format-attribute])
252 AC_C_FLAG([-Wunreachable-code])
253 AC_C_FLAG([-Wpacked])
254 AC_C_FLAG([-Wpadded])
255else
256 AC_C_FLAG([-Wno-unused-result])
257fi
258AC_C_FLAG([-Wno-unused-parameter])
259AC_C_FLAG([-Wno-missing-field-initializers])
260
261dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
262dnl for some reason the string consts get 'promoted' to char *,
263dnl triggering a const to non-const conversion warning.
264AC_C_FLAG([-diag-disable 3179])
265
266if test x"${enable_werror}" = x"yes" ; then
267 WERROR="-Werror"
268fi
269AC_SUBST(WERROR)
270
271dnl need link on this one, not compile
272AC_LANG_PUSH(C)
273ac_ld_flag_save="$LDFLAGS"
274LDFLAGS="$LDFLAGS -rdynamic"
275AC_MSG_CHECKING([[whether linker supports -rdynamic]])
276AC_LINK_IFELSE(
277 [AC_LANG_PROGRAM([[]])],
278 [AC_MSG_RESULT([yes])],
279 [
280 LDFLAGS="$ac_ld_flag_save"
281 AC_MSG_RESULT([no])
282 ])
283AC_LANG_POP(C)
284
285dnl ----------
286dnl Essentials
287dnl ----------
288
289AX_PTHREAD([
290 CC="$PTHREAD_CC"
291 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
292 LIBS="$PTHREAD_LIBS $LIBS"
293], [
294 AC_MSG_FAILURE([This FRR version needs pthreads])
295])
296
297dnl --------------
298dnl Check programs
299dnl --------------
300AC_PROG_INSTALL
301AC_PROG_LN_S
302AC_PROG_MAKE_SET
303AC_CHECK_TOOL(AR, ar)
304
305dnl -----------------
306dnl System extensions
307dnl -----------------
308AC_GNU_SOURCE
309
310dnl -------
311dnl libtool
312dnl -------
313LT_INIT
314
315dnl ----------------------
316dnl Packages configuration
317dnl ----------------------
318AC_ARG_WITH(pkg-extra-version,
319 AS_HELP_STRING([--with-pkg-extra-version=VER], [add extra version field, for packagers/distributions]),
320 [EXTRAVERSION=$withval],)
321AC_ARG_WITH(pkg-git-version,
322 AS_HELP_STRING([--with-pkg-git-version], [add git information to MOTD and build version string]),
323 [ test "x$withval" != "xno" && with_pkg_git_version="yes" ])
324AC_ARG_WITH(vtysh_pager,
325 AS_HELP_STRING([--with-vtysh-pager=PAGER], [control what pager is compiled in as default]),
326 VTYSH_PAGER=$withval, VTYSH_PAGER="more")
327AC_ARG_ENABLE(vtysh,
328 AS_HELP_STRING([--disable-vtysh], [do not build integrated vty shell for FRR]))
329AC_ARG_ENABLE(doc,
330 AS_HELP_STRING([--disable-doc], [do not build docs]))
331AC_ARG_ENABLE(zebra,
332 AS_HELP_STRING([--disable-zebra], [do not build zebra daemon]))
333AC_ARG_ENABLE(bgpd,
334 AS_HELP_STRING([--disable-bgpd], [do not build bgpd]))
335AC_ARG_ENABLE(ripd,
336 AS_HELP_STRING([--disable-ripd], [do not build ripd]))
337AC_ARG_ENABLE(ripngd,
338 AS_HELP_STRING([--disable-ripngd], [do not build ripngd]))
339AC_ARG_ENABLE(ospfd,
340 AS_HELP_STRING([--disable-ospfd], [do not build ospfd]))
341AC_ARG_ENABLE(ospf6d,
342 AS_HELP_STRING([--disable-ospf6d], [do not build ospf6d]))
343AC_ARG_ENABLE(ldpd,
344 AS_HELP_STRING([--enable-ldpd], [build ldpd]))
345AC_ARG_ENABLE(nhrpd,
346 AS_HELP_STRING([--disable-nhrpd], [do not build nhrpd]))
347AC_ARG_ENABLE(eigrpd,
348 AS_HELP_STRING([--disable-eigrpd], [do not build eigrpd]))
349AC_ARG_ENABLE(babeld,
350 AS_HELP_STRING([--disable-babeld], [do not build babeld]))
351AC_ARG_ENABLE(watchfrr,
352 AS_HELP_STRING([--disable-watchfrr], [do not build watchfrr]))
353AC_ARG_ENABLE(isisd,
354 AS_HELP_STRING([--disable-isisd], [do not build isisd]))
355AC_ARG_ENABLE(pimd,
356 AS_HELP_STRING([--disable-pimd], [do not build pimd]))
357AC_ARG_ENABLE(bgp-announce,
358 AS_HELP_STRING([--disable-bgp-announce,], [turn off BGP route announcement]))
359AC_ARG_ENABLE(bgp-vnc,
360 AS_HELP_STRING([--disable-bgp-vnc],[turn off BGP VNC support]))
361AC_ARG_WITH(rfp-path,
362 AS_HELP_STRING([--with-rfp-path[=DIR]],[path to replaced stub RFP used with BGP VNC]))
363AC_ARG_ENABLE(snmp,
364 AS_HELP_STRING([--enable-snmp=ARG], [enable SNMP support (smux or agentx)]))
365AC_ARG_ENABLE(zeromq,
366 AS_HELP_STRING([--enable-zeromq], [enable ZeroMQ handler (libfrrzmq)]))
367AC_ARG_WITH(libpam,
368 AS_HELP_STRING([--with-libpam], [use libpam for PAM support in vtysh]))
369AC_ARG_ENABLE(ospfapi,
370 AS_HELP_STRING([--disable-ospfapi], [do not build OSPFAPI to access the OSPF LSA Database]))
371AC_ARG_ENABLE(ospfclient,
372 AS_HELP_STRING([--disable-ospfclient], [do not build OSPFAPI client for OSPFAPI,
373 (this is the default if --disable-ospfapi is set)]))
374AC_ARG_ENABLE(multipath,
375 AS_HELP_STRING([--enable-multipath=ARG], [enable multipath function, ARG must be digit]))
376AC_ARG_ENABLE(user,
377 AS_HELP_STRING([--enable-user=USER], [user to run FRR suite as (default frr)]))
378AC_ARG_ENABLE(group,
379 AS_HELP_STRING([--enable-group=GROUP], [group to run FRR suite as (default frr)]))
380AC_ARG_ENABLE(vty_group,
381 AS_HELP_STRING([--enable-vty-group=ARG], [set vty sockets to have specified group as owner]))
382AC_ARG_ENABLE(configfile_mask,
383 AS_HELP_STRING([--enable-configfile-mask=ARG], [set mask for config files]))
384AC_ARG_ENABLE(logfile_mask,
385 AS_HELP_STRING([--enable-logfile-mask=ARG], [set mask for log files]))
386AC_ARG_ENABLE(shell_access,
387 AS_HELP_STRING([--enable-shell-access], [Allow users to access shell/telnet/ssh]))
388AC_ARG_ENABLE(realms,
389 AS_HELP_STRING([--enable-realms], [enable REALMS support under Linux]))
390AC_ARG_ENABLE(rtadv,
391 AS_HELP_STRING([--disable-rtadv], [disable IPV6 router advertisement feature]))
392AC_ARG_ENABLE(irdp,
393 AS_HELP_STRING([--disable-irdp], [enable IRDP server support in zebra (default if supported)]))
394AC_ARG_ENABLE(capabilities,
395 AS_HELP_STRING([--disable-capabilities], [disable using POSIX capabilities]))
396AC_ARG_ENABLE(rusage,
397 AS_HELP_STRING([--disable-rusage], [disable using getrusage]))
398AC_ARG_ENABLE(gcc_ultra_verbose,
399 AS_HELP_STRING([--enable-gcc-ultra-verbose], [enable ultra verbose GCC warnings]))
400AC_ARG_ENABLE(linux24_tcp_md5,
401 AS_HELP_STRING([--enable-linux24-tcp-md5], [enable support for old, Linux-2.4 RFC2385 patch]))
402AC_ARG_ENABLE(backtrace,
403 AS_HELP_STRING([--disable-backtrace,], [disable crash backtraces (default autodetect)]))
404AC_ARG_ENABLE(time-check,
405 AS_HELP_STRING([--disable-time-check], [disable slow thread warning messages]))
406AC_ARG_ENABLE(pcreposix,
407 AS_HELP_STRING([--enable-pcreposix], [enable using PCRE Posix libs for regex functions]))
408AC_ARG_ENABLE(fpm,
409 AS_HELP_STRING([--enable-fpm], [enable Forwarding Plane Manager support]))
410AC_ARG_ENABLE(systemd,
411 AS_HELP_STRING([--enable-systemd], [enable Systemd support]))
412AC_ARG_ENABLE(werror,
413 AS_HELP_STRING([--enable-werror], [enable -Werror (recommended for developers only)]))
414AC_ARG_ENABLE(cumulus,
415 AS_HELP_STRING([--enable-cumulus], [enable Cumulus Switch Special Extensions]))
416AC_ARG_ENABLE(datacenter,
417 AS_HELP_STRING([--enable-datacenter], [enable Compilation for Data Center Extensions]))
418AC_ARG_ENABLE(fuzzing,
419 AS_HELP_STRING([--enable-fuzzing], [enable ability to fuzz various parts of FRR]))
420AC_ARG_ENABLE(rr-semantics,
421 AS_HELP_STRING([--disable-rr-semantics], [disable the v6 Route Replace semantics]))
422AC_ARG_ENABLE([protobuf],
423 AS_HELP_STRING([--enable-protobuf], [Enable experimental protobuf support]))
424AC_ARG_ENABLE([oldvpn_commands],
425 AS_HELP_STRING([--enable-oldvpn-commands], [Keep old vpn commands]))
426AC_ARG_ENABLE(rpki,
427 AS_HELP_STRING([--enable-rpki], [enable RPKI prefix validation support]))
428AC_ARG_ENABLE([clippy-only],
429 AS_HELP_STRING([--enable-clippy-only], [Only build clippy]))
430AC_ARG_ENABLE([numeric_version],
431 AS_HELP_STRING([--enable-numeric-version], [Only numeric digits allowed in version (for Alpine)]))
432
433AS_IF([test "${enable_clippy_only}" != "yes"], [
434AC_CHECK_HEADERS(json-c/json.h)
435AC_CHECK_LIB(json-c, json_object_get, LIBS="$LIBS -ljson-c", [], [-lm])
436if test $ac_cv_lib_json_c_json_object_get = no; then
437 AC_CHECK_LIB(json, json_object_get, LIBS="$LIBS -ljson")
438 if test $ac_cv_lib_json_json_object_get = no; then
439 AC_MSG_ERROR([lib json is needed to compile])
440 fi
441fi
442])
443
444AC_ARG_ENABLE([dev_build],
445 AS_HELP_STRING([--enable-dev-build], [build for development]))
446
447if test x"${enable_time_check}" != x"no" ; then
448 if test x"${enable_time_check}" = x"yes" -o x"${enable_time_check}" = x ; then
449 AC_DEFINE(CONSUMED_TIME_CHECK,5000000,Consumed Time Check)
450 else
451 AC_DEFINE_UNQUOTED(CONSUMED_TIME_CHECK,$enable_time_check,Consumed Time Check)
452 fi
453fi
454
455case "${enable_systemd}" in
456 "no") ;;
457 "yes")
458 AC_CHECK_LIB(systemd, sd_notify, LIBS="$LIBS -lsystemd")
459 if test $ac_cv_lib_systemd_sd_notify = no; then
460 AC_MSG_ERROR([enable systemd has been specified but systemd development env not found on your system])
461 else
462 AC_DEFINE(HAVE_SYSTEMD,,Compile systemd support in)
463 fi
464 ;;
465 "*") ;;
466esac
467
468if test "${enable_rr_semantics}" != "no" ; then
469 AC_DEFINE(HAVE_V6_RR_SEMANTICS,, Compile in v6 Route Replacement Semantics)
470fi
471
472if test "${enable_datacenter}" = "yes" ; then
473 AC_DEFINE(HAVE_DATACENTER,,Compile extensions for a DataCenter)
474 DFLT_NAME="datacenter"
475else
476 DFLT_NAME="traditional"
477fi
478
479if test "${enable_fuzzing}" = "yes" ; then
480 AC_DEFINE(HANDLE_ZAPI_FUZZING,,Compile extensions to use with a fuzzer)
481fi
482
483if test "${enable_cumulus}" = "yes" ; then
484 AC_DEFINE(HAVE_CUMULUS,,Compile Special Cumulus Code in)
485fi
486
487AC_SUBST(DFLT_NAME)
488AC_DEFINE_UNQUOTED(DFLT_NAME,["$DFLT_NAME"], Name of the configuration default set)
489
490if test "${enable_shell_access}" = "yes"; then
491 AC_DEFINE(HAVE_SHELL_ACCESS,,Allow user to use ssh/telnet/bash)
492fi
493
494AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
495
496#
497# Python for clippy
498#
499AS_IF([test "$host" = "$build"], [
500 PYTHONCONFIG=""
501
502 # ordering:
503 # 1. try python3, but respect the user's preference on which minor ver
504 # 2. try python, which might be py3 or py2 again on the user's preference
505 # 3. try python2 (can really only be 2.7 but eh)
506 # 4. try 3.5 > 3.4 > 3.3 > 3.2 > 2.7 through pkg-config (no user pref)
507 #
508 # (AX_PYTHON_DEVEL has no clue about py3 vs py2)
509 # (AX_PYTHON does not do what we need)
510
511 AC_CHECK_TOOLS([PYTHONCONFIG], [python3-config python-config python2-config])
512 if test -n "$PYTHONCONFIG"; then
513 PYTHON_CFLAGS="`\"${PYTHONCONFIG}\" --includes`"
514 PYTHON_LIBS="`\"${PYTHONCONFIG}\" --libs`"
515
516 AC_MSG_CHECKING([whether we found a working Python version])
517 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
518#include <Python.h>
519#if PY_VERSION_HEX < 0x02070000
520#error python too old
521#endif
522int main(void);
523],
524[
525{
526 Py_Initialize();
527 return 0;
528}
529])], [
530 PYTHONCONFIG=""
531 unset PYTHON_LIBS
532 unset PYTHON_CFLAGS
533 ])
534 fi
535
536 if test -z "$PYTHONCONFIG"; then
537 PKG_CHECK_MODULES([PYTHON], python-3.5, [], [
538 PKG_CHECK_MODULES([PYTHON], python-3.4, [], [
539 PKG_CHECK_MODULES([PYTHON], python-3.3, [], [
540 PKG_CHECK_MODULES([PYTHON], python-3.2, [], [
541 PKG_CHECK_MODULES([PYTHON], python-2.7, [], [
542 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
543 ])])])])])
544
545
546 AC_MSG_CHECKING([whether we found a working Python version])
547 AC_LINK_IFELSE_FLAGS([$PYTHON_CFLAGS], [$PYTHON_LIBS], [AC_LANG_PROGRAM([
548#include <Python.h>
549#if PY_VERSION_HEX < 0x02070000
550#error python too old
551#endif
552int main(void);
553],
554[
555{
556 Py_Initialize();
557 return 0;
558}
559])], [
560 AC_MSG_FAILURE([could not find python-config or pkg-config python, please install Python development files from libpython-dev or similar])
561 ])
562 fi
563])
564AC_SUBST(PYTHON_CFLAGS)
565AC_SUBST(PYTHON_LIBS)
566
567#
568# Logic for protobuf support.
569#
570if test "$enable_protobuf" = "yes"; then
571 have_protobuf=yes
572
573 # Check for protoc-c
574 AC_CHECK_PROG([PROTOC_C], [protoc-c], [protoc-c], [/bin/false])
575 if test "x$PROTOC_C" = "x/bin/false"; then
576 have_protobuf=no
577 else
578 found_protobuf_c=no
579 PKG_CHECK_MODULES([PROTOBUF_C], libprotobuf-c >= 0.14,
580 [found_protobuf_c=yes],
581 [AC_MSG_RESULT([pkg-config did not find libprotobuf-c])])
582
583 if test "x$found_protobuf_c" = "xyes"; then
584 LDFLAGS="$LDFLAGS $PROTOBUF_C_LIBS"
585 CFLAGS="$CFLAGS $PROTOBUF_C_CFLAGS"
586 else
587 AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [],
588 [have_protobuf=no; AC_MSG_RESULT([Couldn't find google/protobuf-c.h])])
589 fi
590 fi
591fi
592
593#
594# Logic for old vpn commans support.
595#
596if test "$enable_oldvpn_commands" = "yes"; then
597 AC_DEFINE(KEEP_OLD_VPN_COMMANDS,, [Define for compiling with old vpn commands])
598fi
599
600# Fail if the user explicity enabled protobuf support and we couldn't
601# find the compiler or libraries.
602if test "x$have_protobuf" = "xno" && test "x$enable_protobuf" = "xyes"; then
603 AC_MSG_ERROR([Protobuf enabled explicitly but can't find libraries/tools])
604fi
605
606if test "x$have_protobuf" = "xyes"; then
607 AC_DEFINE(HAVE_PROTOBUF,, protobuf)
608fi
609
610AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$have_protobuf" = "xyes"])
611
612#
613# End of logic for protobuf support.
614#
615
616if test "${enable_linux24_tcp_md5}" = "yes"; then
617 AC_DEFINE(HAVE_TCP_MD5_LINUX24,,Old Linux 2.4 TCP MD5 Signature Patch)
618fi
619
620AC_MSG_CHECKING(if zebra should be configurable to send Route Advertisements)
621if test "${enable_rtadv}" != "no"; then
622 AC_MSG_RESULT(yes)
623 AC_DEFINE(HAVE_RTADV,,Enable IPv6 Routing Advertisement support)
624else
625 AC_MSG_RESULT(no)
626fi
627
628if test x"${enable_user}" = x"no"; then
629 enable_user=""
630else
631 if test x"${enable_user}" = x"yes" || test x"${enable_user}" = x""; then
632 enable_user="frr"
633 fi
634 AC_DEFINE_UNQUOTED(FRR_USER, "${enable_user}", frr User)
635fi
636
637if test x"${enable_group}" = x"no"; then
638 enable_group=""
639else
640 if test x"${enable_group}" = x"yes" || test x"${enable_group}" = x""; then
641 enable_group="frr"
642 fi
643 AC_DEFINE_UNQUOTED(FRR_GROUP, "${enable_group}", frr Group)
644fi
645
646if test x"${enable_vty_group}" = x"yes" ; then
647 AC_MSG_ERROR([--enable-vty-group requires a group as argument, not yes])
648elif test x"${enable_vty_group}" != x""; then
649 if test x"${enable_vty_group}" != x"no"; then
650 AC_DEFINE_UNQUOTED(VTY_GROUP, "${enable_vty_group}", VTY Sockets Group)
651 fi
652fi
653AC_SUBST([enable_user])
654AC_SUBST([enable_group])
655AC_SUBST([enable_vty_group])
656
657enable_configfile_mask=${enable_configfile_mask:-0600}
658AC_DEFINE_UNQUOTED(CONFIGFILE_MASK, ${enable_configfile_mask}, Mask for config files)
659
660enable_logfile_mask=${enable_logfile_mask:-0600}
661AC_DEFINE_UNQUOTED(LOGFILE_MASK, ${enable_logfile_mask}, Mask for log files)
662
663MPATH_NUM=1
664
665case "${enable_multipath}" in
666 0)
667 MPATH_NUM=64
668 ;;
669 [[1-9]|[1-9][0-9]|[1-9][0-9][0-9]])
670 MPATH_NUM="${enable_multipath}"
671 ;;
672 "")
673 ;;
674 *)
675 AC_MSG_FAILURE([Please specify digit to enable multipath ARG])
676 ;;
677esac
678
679AC_DEFINE_UNQUOTED(MULTIPATH_NUM, $MPATH_NUM, Maximum number of paths for a route)
680
681AC_DEFINE_UNQUOTED(VTYSH_PAGER, "$VTYSH_PAGER", [What pager to use])
682
683dnl ------------------------------------
684dnl Alpine only accepts numeric versions
685dnl ------------------------------------
686if test "x${enable_numeric_version}" != "x" ; then
687 VERSION="`echo ${VERSION} | tr -c -d '[[.0-9]]'`"
688 PACKAGE_VERSION="`echo ${PACKAGE_VERSION} | tr -c -d '[[.0-9]]'`"
689fi
690
691dnl -----------------------------------
692dnl Add extra version string to package
693dnl name, string and version fields.
694dnl -----------------------------------
695if test "x${EXTRAVERSION}" != "x" ; then
696 VERSION="${VERSION}${EXTRAVERSION}"
697 PACKAGE_VERSION="${PACKAGE_VERSION}${EXTRAVERSION}"
698 AC_SUBST(PACKAGE_EXTRAVERSION, ["${EXTRAVERSION}"])
699 PACKAGE_STRING="${PACKAGE_STRING}${EXTRAVERSION}"
700fi
701
702if test "x$with_pkg_git_version" = "xyes"; then
703 if test -d "${srcdir}/.git"; then
704 AC_DEFINE(GIT_VERSION, [1], [include git version info])
705 else with_pkg_git_version="no"
706 AC_MSG_WARN([--with-pkg-git-version given, but this is not a git checkout])
707 fi
708fi
709AM_CONDITIONAL([GIT_VERSION], [test "x$with_pkg_git_version" = "xyes"])
710
711dnl ------------------------------------
712dnl Check C keywords and standard types
713dnl ------------------------------------
714AC_C_CONST
715AC_C_INLINE
716AC_C_VOLATILE
717AC_HEADER_STDC
718dnl AC_TYPE_PID_T
719AC_TYPE_UID_T
720AC_TYPE_MODE_T
721AC_TYPE_SIZE_T
722AC_STRUCT_TM
723
724dnl -------------------------
725dnl Check other header files.
726dnl -------------------------
727AC_CHECK_HEADERS([stropts.h sys/ksym.h \
728 linux/version.h asm/types.h \
729 sys/cdefs.h])
730
731ac_stdatomic_ok=false
732AC_DEFINE(FRR_AUTOCONF_ATOMIC, 1, [did autoconf checks for atomic funcs])
733AC_CHECK_HEADER([stdatomic.h],[
734
735 AC_MSG_CHECKING([whether _Atomic qualifier works])
736 AC_LINK_IFELSE([AC_LANG_SOURCE([[
737#include <stdatomic.h>
738int main(int argc, char **argv) {
739 _Atomic int i = 0;
740 return i;
741}
742]])], [
743 AC_DEFINE(HAVE_STDATOMIC_H, 1, [found stdatomic.h])
744 AC_MSG_RESULT([yes])
745 ac_stdatomic_ok=true
746 ], [
747 AC_MSG_RESULT([no])
748 ])
749])
750
751AS_IF([$ac_stdatomic_ok], [true], [
752 AC_MSG_CHECKING([for __atomic_* builtins])
753 AC_LINK_IFELSE([AC_LANG_SOURCE([[
754int main(int argc, char **argv) {
755 volatile int i = 1;
756 __atomic_store_n (&i, 0, __ATOMIC_RELEASE);
757 return __atomic_load_n (&i, __ATOMIC_ACQUIRE);
758}
759]])], [
760 AC_DEFINE(HAVE___ATOMIC, 1, [found __atomic builtins])
761 AC_MSG_RESULT([yes])
762 ], [
763 AC_MSG_RESULT([no])
764
765 dnl FreeBSD 9 has a broken stdatomic.h where _Atomic doesn't work
766 AC_MSG_CHECKING([for __sync_* builtins])
767 AC_LINK_IFELSE([AC_LANG_SOURCE([[
768int main(int argc, char **argv) {
769 volatile int i = 1;
770 __sync_fetch_and_sub (&i, 1);
771 return __sync_val_compare_and_swap (&i, 0, 1);
772}
773]])], [
774 AC_DEFINE(HAVE___SYNC, 1, [found __sync builtins])
775 AC_MSG_RESULT([yes])
776
777 AC_MSG_CHECKING([for __sync_swap builtin])
778 AC_LINK_IFELSE([AC_LANG_SOURCE([[
779int main(int argc, char **argv) {
780 volatile int i = 1;
781 return __sync_swap (&i, 2);
782}
783]])], [
784 AC_DEFINE(HAVE___SYNC_SWAP, 1, [found __sync_swap builtin])
785 AC_MSG_RESULT([yes])
786 ], [
787 AC_MSG_RESULT([no])
788 ])
789
790 ], [
791 AC_MSG_RESULT([no])
792 AC_MSG_FAILURE([stdatomic.h unavailable and $CC has neither __atomic nor __sync builtins])
793 ])
794 ])
795])
796
797dnl Utility macro to avoid retyping includes all the time
798m4_define([FRR_INCLUDES],
799[#ifdef SUNOS_5
800#define _XPG4_2
801#define __EXTENSIONS__
802#endif
803#include <stdio.h>
804#include <stdlib.h>
805#include <stddef.h>
806#include <sys/types.h>
807/* sys/conf.h depends on param.h on FBSD at least */
808#include <sys/param.h>
809/* Required for MAXSIG */
810#include <signal.h>
811#include <sys/socket.h>
812#ifdef __APPLE__
813# define __APPLE_USE_RFC_3542
814#endif
815#include <netinet/in.h>
816#include <sys/time.h>
817#include <time.h>
818#include <net/if.h>
819])dnl
820
821dnl Same applies for HAVE_NET_IF_VAR_H, which HAVE_NETINET6_ND6_H and
822dnl HAVE_NETINET_IN_VAR_H depend upon. But if_var.h depends on if.h, hence
823dnl an additional round for it.
824
825AC_CHECK_HEADERS([net/if_var.h], [], [], FRR_INCLUDES)
826
827m4_define([FRR_INCLUDES],
828FRR_INCLUDES
829[#if HAVE_NET_IF_VAR_H
830# include <net/if_var.h>
831#endif
832])dnl
833
834AC_CHECK_HEADERS([netinet/in_var.h \
835 net/if_dl.h net/netopt.h \
836 inet/nd.h netinet/ip_icmp.h \
837 sys/sysctl.h sys/sockio.h kvm.h sys/conf.h],
838 [], [], FRR_INCLUDES)
839
840AC_CHECK_HEADERS([ucontext.h], [], [],
841[#ifndef __USE_GNU
842#define __USE_GNU
843#endif /* __USE_GNU */
844FRR_INCLUDES
845])
846
847m4_define([UCONTEXT_INCLUDES],
848[#include <ucontext.h>])dnl
849
850AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.uc_regs],
851 [], [], [UCONTEXT_INCLUDES])
852AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs],
853 [AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.regs.nip],
854 [], [], [UCONTEXT_INCLUDES])],
855 [], [UCONTEXT_INCLUDES])
856AC_CHECK_MEMBERS([ucontext_t.uc_mcontext.gregs],
857 [], [], [UCONTEXT_INCLUDES])
858
859m4_define([FRR_INCLUDES],
860FRR_INCLUDES
861[
862#include <sys/un.h>
863#include <netinet/in_systm.h>
864#if HAVE_NETINET_IN_VAR_H
865# include <netinet/in_var.h>
866#endif
867#if HAVE_NET_IF_DL_H
868# include <net/if_dl.h>
869#endif
870#if HAVE_NET_NETOPT_H
871# include <net/netopt.h>
872#endif
873#include <net/route.h>
874#if HAVE_INET_ND_H
875# include <inet/nd.h>
876#endif
877#include <arpa/inet.h>
878/* Required for IDRP */
879#if HAVE_NETINET_IP_ICMP_H
880# include <netinet/ip_icmp.h>
881#endif
882])dnl
883
884dnl V6 headers are checked below, after we check for v6
885
886AC_MSG_CHECKING([which operating system interface to use])
887case "$host_os" in
888 sunos* | solaris2*)
889 AC_MSG_RESULT([Solaris])
890
891 AC_DEFINE(SUNOS_5, 1, [SunOS 5])
892 AC_DEFINE(SOLARIS_IPV6, 1, Solaris IPv6)
893
894 AC_CHECK_LIB(socket, main)
895 AC_CHECK_LIB(nsl, main)
896 AC_CHECK_LIB(umem, main)
897 AC_CHECK_FUNCS([printstack], [
898 AC_DEFINE([HAVE_PRINTSTACK],1,[Solaris printstack])
899 AC_DEFINE([HAVE_STACK_TRACE],1,[Stack symbols decode functionality])
900 ])
901 CURSES=-lcurses
902 SOLARIS="solaris"
903 ;;
904 linux*)
905 AC_MSG_RESULT([Linux])
906
907 AC_DEFINE(GNU_LINUX,,GNU Linux)
908 AC_DEFINE(HAVE_NETLINK,,netlink)
909 AC_DEFINE(LINUX_IPV6,1,Linux IPv6 stack)
910
911 dnl Linux has a compilation problem with mixing
912 dnl netinet/in.h and linux/in6.h they are not
913 dnl compatible. There has been discussion on
914 dnl how to fix it but no real progress on implementation
915 dnl when they fix it, remove this
916 AC_DEFINE(IPV6_MINHOPCOUNT, 73, Linux ipv6 Min Hop Count)
917
918 AC_CHECK_DECLS([IFLA_INFO_SLAVE_KIND], [], [], [#include <linux/if_link.h>])
919 ;;
920 openbsd*)
921 AC_MSG_RESULT([OpenBSD])
922
923 AC_DEFINE(OPEN_BSD,,OpenBSD)
924 AC_DEFINE(KAME,1,KAME IPv6)
925 AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
926
927 if test "x${enable_pimd}" != "xno"; then
928 case "$host_os" in
929 openbsd6.0)
930 ;;
931 openbsd[6-9]*)
932 AC_MSG_FAILURE([pimd cannot be enabled as PIM support has been removed from OpenBSD 6.1])
933 ;;
934 esac
935 fi
936 ;;
937 *)
938 AC_MSG_RESULT([BSD])
939
940 AC_DEFINE(HAVE_NET_RT_IFLIST,,NET_RT_IFLIST)
941 AC_DEFINE(KAME,1,KAME IPv6)
942 AC_DEFINE(BSD_V6_SYSCTL,1,BSD v6 sysctl to turn on and off forwarding)
943 ;;
944esac
945AM_CONDITIONAL(SOLARIS, test "${SOLARIS}" = "solaris")
946
947AC_SYS_LARGEFILE
948
949dnl ------------------------
950dnl Integrated REALMS option
951dnl ------------------------
952if test "${enable_realms}" = "yes"; then
953 case "$host_os" in
954 linux*)
955 AC_DEFINE(SUPPORT_REALMS,, Realms support)
956 ;;
957 *)
958 echo "Sorry, only Linux has REALMS support"
959 exit 1
960 ;;
961 esac
962fi
963AM_CONDITIONAL([SUPPORT_REALMS], [test "${enable_realms}" = "yes"])
964
965dnl ---------------------
966dnl Integrated VTY option
967dnl ---------------------
968case "${enable_vtysh}" in
969 "no") VTYSH="";;
970 *) VTYSH="vtysh";
971 AC_DEFINE(VTYSH,,VTY shell)
972dnl Vtysh uses libreadline, which looks for termcap functions at
973dnl configure time. We follow readlines search order.
974dnl The required procedures are in libtermcap on NetBSD, in
975dnl [TODO] on Linux, and in [TODO] on Solaris.
976 AC_CHECK_LIB(termcap, tputs, LIBREADLINE="$LIBREADLINE -ltermcap",
977 [AC_CHECK_LIB(tinfo, tputs, LIBREADLINE="$LIBREADLINE -ltinfo",
978 [AC_CHECK_LIB(curses, tputs, LIBREADLINE="$LIBREADLINE -lcurses",
979 [AC_CHECK_LIB(ncurses, tputs,
980 LIBREADLINE="$LIBREADLINE -lncurses")]
981 )]
982 )]
983 )
984 AC_CHECK_LIB(readline, main, LIBREADLINE="-lreadline $LIBREADLINE",,
985 "$LIBREADLINE")
986 if test $ac_cv_lib_readline_main = no; then
987 AC_MSG_ERROR([vtysh needs libreadline but was not found and usable on your system.])
988 fi
989 AC_CHECK_HEADER(readline/history.h)
990 if test $ac_cv_header_readline_history_h = no;then
991 AC_MSG_ERROR([readline is too old to have readline/history.h, please update to the latest readline library.])
992 fi
993 AC_CHECK_LIB(readline, rl_completion_matches,
994 LIBREADLINE="$LIBREADLINE",, "$LIBREADLINE")
995 if test $ac_cv_lib_readline_rl_completion_matches = no; then
996 AC_DEFINE(rl_completion_matches,completion_matches,Old readline)
997 fi
998 ;;
999esac
1000AC_SUBST(LIBREADLINE)
1001AM_CONDITIONAL(VTYSH, test "x$VTYSH" = "xvtysh")
1002
1003dnl ----------
1004dnl PAM module
1005dnl
1006dnl FRR detects the PAM library it is built against by checking for a
1007dnl functional pam_misc.h (Linux-PAM) or openpam.h (OpenPAM) header. pam_misc.h
1008dnl is known to #include pam_appl.h, the standard header of a PAM library, and
1009dnl openpam.h doesn't do that, although depends on the header too. Hence a
1010dnl little assistance to AC_CHECK_HEADER is necessary for the proper detection
1011dnl of OpenPAM.
1012dnl ----------
1013if test "$with_libpam" = "yes"; then
1014 AC_CHECK_HEADER([security/pam_misc.h],
1015 [AC_DEFINE(HAVE_PAM_MISC_H,,Have pam_misc.h)
1016 AC_DEFINE(PAM_CONV_FUNC,misc_conv,Have misc_conv)
1017 pam_conv_func="misc_conv"
1018 ],
1019 [], FRR_INCLUDES)
1020 AC_CHECK_HEADER([security/openpam.h],
1021 [AC_DEFINE(HAVE_OPENPAM_H,,Have openpam.h)
1022 AC_DEFINE(PAM_CONV_FUNC,openpam_ttyconv,Have openpam_ttyconv)
1023 pam_conv_func="openpam_ttyconv"
1024 ],
1025 [], FRR_INCLUDES[#include <security/pam_appl.h>])
1026 if test -z "$ac_cv_header_security_pam_misc_h$ac_cv_header_security_openpam_h" ; then
1027 AC_MSG_WARN([*** pam support will not be built ***])
1028 with_libpam="no"
1029 fi
1030fi
1031
1032if test "$with_libpam" = "yes"; then
1033dnl took this test from proftpds configure.in and suited to our needs
1034dnl -------------------------------------------------------------------------
1035dnl
1036dnl This next check looks funky due to a linker problem with some versions
1037dnl of the PAM library. Prior to 0.72 release, the Linux PAM shared library
1038dnl omitted requiring libdl linking information. PAM-0.72 or better ships
1039dnl with RedHat 6.2 and Debian 2.2 or better.
1040AC_CHECK_LIB(pam, pam_start,
1041 [AC_CHECK_LIB(pam, $pam_conv_func,
1042 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1043 LIBPAM="-lpam"],
1044 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1045 LIBPAM="-lpam -lpam_misc"]
1046 )
1047 ],
1048
1049 [AC_CHECK_LIB(pam, pam_end,
1050 [AC_CHECK_LIB(pam, $pam_conv_func,
1051 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1052 LIBPAM="-lpam -ldl"],
1053 [AC_DEFINE(USE_PAM,,Use PAM for authentication)
1054 LIBPAM="-lpam -ldl -lpam_misc"]
1055 )
1056 ],AC_MSG_WARN([*** pam support will not be built ***]),
1057 [-ldl])
1058 ]
1059)
1060fi
1061AC_SUBST(LIBPAM)
1062
1063dnl -------------------------------
1064dnl Endian-ness check
1065dnl -------------------------------
1066AC_WORDS_BIGENDIAN
1067
1068dnl -------------------------------
1069dnl check the size in byte of the C
1070dnl -------------------------------
1071dnl AC_CHECK_SIZEOF(char)
1072dnl AC_CHECK_SIZEOF(int)
1073dnl AC_CHECK_SIZEOF(short)
1074dnl AC_CHECK_SIZEOF(long)
1075
1076dnl ----------------------------
1077dnl check existance of functions
1078dnl ----------------------------
1079AC_FUNC_FNMATCH
1080AC_FUNC_FORK
1081AC_FUNC_MKTIME
1082AC_FUNC_STAT
1083
1084dnl -------------------------------
1085dnl bgpd needs pow() and hence libm
1086dnl -------------------------------
1087TMPLIBS="$LIBS"
1088AC_CHECK_HEADER([math.h],
1089 [AC_CHECK_LIB([m], [pow],
1090 [LIBM="-lm"
1091 LIBS="$LIBS $LIBM"
1092 AC_CHECK_FUNCS(pow,[],[LIBM=""])
1093 ])
1094])
1095if test x"$LIBM" = x ; then
1096 AC_MSG_WARN([Unable to find working pow function - bgpd may not link])
1097fi
1098LIBS="$TMPLIBS"
1099AC_SUBST(LIBM)
1100
1101AC_CHECK_FUNCS([ppoll], [
1102 AC_DEFINE([HAVE_PPOLL], 1, [have Linux/BSD ppoll()])
1103])
1104AC_CHECK_FUNCS([pollts], [
1105 AC_DEFINE([HAVE_POLLTS], 1, [have NetBSD pollts()])
1106])
1107
1108dnl ---------------
1109dnl other functions
1110dnl ---------------
1111AC_CHECK_FUNCS([ \
1112 strlcat strlcpy \
1113 getgrouplist])
1114
1115AC_CHECK_HEADER([asm-generic/unistd.h],
1116 [AC_CHECK_DECL(__NR_setns,
1117 AC_DEFINE(HAVE_NETNS,, Have netns),,
1118 FRR_INCLUDES [#include <asm-generic/unistd.h>
1119 ])
1120 AC_CHECK_FUNCS(setns)]
1121 )
1122
1123dnl --------------------------
1124dnl Determine IS-IS I/O method
1125dnl --------------------------
1126AC_DEFINE(ISIS_METHOD_PFPACKET, 1, [ constant value for isis method pfpacket ])
1127AC_DEFINE(ISIS_METHOD_DLPI, 2, [ constant value for isis method dlpi ])
1128AC_DEFINE(ISIS_METHOD_BPF, 3, [ constant value for isis method bpf ])
1129AC_CHECK_HEADER(net/bpf.h)
1130AC_CHECK_HEADER(sys/dlpi.h)
1131AC_MSG_CHECKING(zebra IS-IS I/O method)
1132
1133case "$host_os" in
1134 linux*)
1135 AC_MSG_RESULT(pfpacket)
1136 ISIS_METHOD_MACRO="ISIS_METHOD_PFPACKET"
1137 ;;
1138 solaris* | sunos*)
1139 AC_MSG_RESULT(DLPI)
1140 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1141 ;;
1142 *)
1143 if test $ac_cv_header_net_bpf_h = no; then
1144 if test $ac_cv_header_sys_dlpi_h = no; then
1145 AC_MSG_RESULT(none)
1146 if test "${enable_isisd}" = yes; then
1147 AC_MSG_FAILURE([IS-IS support requested but no packet backend found])
1148 fi
1149 AC_MSG_WARN([*** IS-IS support will not be built ***])
1150 enable_isisd="no"
1151 else
1152 AC_MSG_RESULT(DLPI)
1153 fi
1154 ISIS_METHOD_MACRO="ISIS_METHOD_DLPI"
1155 else
1156 AC_MSG_RESULT(BPF)
1157 ISIS_METHOD_MACRO="ISIS_METHOD_BPF"
1158 fi
1159 ;;
1160esac
1161AC_DEFINE_UNQUOTED(ISIS_METHOD, $ISIS_METHOD_MACRO, [ selected method for isis, == one of the constants ])
1162
1163dnl ------------------------------------
1164dnl check for broken CMSG_FIRSTHDR macro
1165dnl ------------------------------------
1166AC_MSG_CHECKING(for broken CMSG_FIRSTHDR)
1167AC_RUN_IFELSE([AC_LANG_SOURCE([[
1168#ifdef SUNOS_5
1169#define _XPG4_2
1170#define __EXTENSIONS__
1171#endif
1172#include <stdlib.h>
1173#include <sys/types.h>
1174#include <sys/socket.h>
1175
1176main()
1177{
1178 struct msghdr msg;
1179 char buf[4];
1180
1181 msg.msg_control = buf;
1182 msg.msg_controllen = 0;
1183
1184 if (CMSG_FIRSTHDR(&msg) != NULL)
1185 exit(0);
1186 exit (1);
1187}]])],[AC_MSG_RESULT(yes - using workaround) AC_DEFINE(HAVE_BROKEN_CMSG_FIRSTHDR,,Broken CMSG_FIRSTHDR)],
1188[AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
1189
1190dnl ---------------------------------------------------------------
1191dnl figure out how to specify an interface in multicast sockets API
1192dnl ---------------------------------------------------------------
1193AC_CHECK_MEMBERS([struct ip_mreqn.imr_ifindex], [], [], FRR_INCLUDES)
1194
1195AC_CHECK_HEADERS([linux/mroute.h], [], [],[
1196 #include <sys/socket.h>
1197 #include <netinet/in.h>
1198 #define _LINUX_IN_H /* For Linux <= 2.6.25 */
1199 #include <linux/types.h>
1200])
1201
1202m4_define([FRR_INCLUDES],
1203FRR_INCLUDES
1204[#if HAVE_LINUX_MROUTE_H
1205# include <linux/mroute.h>
1206#endif
1207])dnl
1208
1209AC_CHECK_HEADERS([netinet/ip_mroute.h], [], [],[
1210 #include <sys/socket.h>
1211 #include <sys/types.h>
1212 #include <netinet/in.h>
1213 #include <net/route.h>
1214])
1215
1216m4_define([FRR_INCLUDES],
1217FRR_INCLUDES
1218[#if HAVE_NETINET_IP_MROUTE_H
1219# include <netinet/ip_mroute.h>
1220#endif
1221])dnl
1222
1223AC_MSG_CHECKING([for BSD struct ip_mreq hack])
1224AC_TRY_COMPILE([#include <sys/param.h>],
1225[#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)
1226 return (0);
1227#else
1228 #error No support for BSD struct ip_mreq hack detected
1229#endif],[AC_MSG_RESULT(yes)
1230AC_DEFINE(HAVE_BSD_STRUCT_IP_MREQ_HACK,,[Can pass ifindex in struct ip_mreq])],
1231AC_MSG_RESULT(no))
1232
1233AC_MSG_CHECKING([for RFC3678 protocol-independed API])
1234AC_TRY_COMPILE([
1235#include <sys/types.h>
1236#include <netinet/in.h>
1237], [struct group_req gr; int sock; setsockopt(sock, IPPROTO_IP, MCAST_JOIN_GROUP, (void*)&gr, sizeof(gr));
1238], [AC_MSG_RESULT(yes)
1239AC_DEFINE(HAVE_RFC3678,1,[Have RFC3678 protocol-independed API])],
1240AC_MSG_RESULT(no))
1241
1242dnl ---------------------------------------------------------------
1243dnl figure out how to check link-state
1244dnl ---------------------------------------------------------------
1245AC_CHECK_HEADER( [net/if_media.h],
1246 [m4_define([LINK_DETECT_INCLUDES],
1247 FRR_INCLUDES
1248 [#include <net/if_media.h>
1249 ])
1250 AC_CHECK_MEMBERS( [struct ifmediareq.ifm_status],
1251 AC_DEFINE(HAVE_BSD_LINK_DETECT,,[BSD link-detect]),
1252 [], LINK_DETECT_INCLUDES)],
1253 [],
1254 FRR_INCLUDES)
1255
1256dnl ---------------------------------------------------------------
1257dnl Additional, newer way to check link-state using ifi_link_state.
1258dnl Not available in all BSD's when ifmediareq available
1259dnl ---------------------------------------------------------------
1260AC_CHECK_MEMBERS([struct if_data.ifi_link_state],
1261 AC_DEFINE(HAVE_BSD_IFI_LINK_STATE,,[BSD ifi_link_state available]),
1262 [], FRR_INCLUDES)
1263
1264dnl ------------------------
1265dnl TCP_MD5SIG socket option
1266dnl ------------------------
1267
1268AC_CHECK_HEADER([netinet/tcp.h],
1269 [m4_define([MD5_INCLUDES],
1270 FRR_INCLUDES
1271 [#include <netinet/tcp.h>
1272 ])
1273 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)],
1274 [],
1275 FRR_INCLUDES)
1276if test $ac_cv_have_decl_TCP_MD5SIG = no; then
1277 AC_CHECK_HEADER([linux/tcp.h],
1278 [m4_define([MD5_INCLUDES],
1279 FRR_INCLUDES
1280 [#include <linux/tcp.h>
1281 ])
1282 AC_CHECK_DECLS([TCP_MD5SIG], [], [], MD5_INCLUDES)])
1283fi
1284
1285dnl ----------------------------------------------------------------------------
1286dnl figure out if domainname is available in the utsname struct (GNU extension).
1287dnl ----------------------------------------------------------------------------
1288AC_CHECK_MEMBERS([struct utsname.domainname], [], [], [#include <sys/utsname.h>])
1289
1290dnl ------------------
1291dnl IPv6 header checks
1292dnl ------------------
1293AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h \
1294 netinet6/in6_var.h netinet6/nd6.h], [], [],
1295 FRR_INCLUDES)
1296
1297m4_define([FRR_INCLUDES],dnl
1298FRR_INCLUDES
1299[#if HAVE_NETINET6_IN6_H
1300#include <netinet6/in6.h>
1301#endif
1302#if HAVE_NETINET_IN6_VAR_H
1303#include <netinet/in6_var.h>
1304#endif
1305#include <netinet/icmp6.h>
1306#if HAVE_NETINET6_IN6_VAR_H
1307# include <netinet6/in6_var.h>
1308#endif
1309#if HAVE_NETINET6_ND6_H
1310# include <netinet6/nd6.h>
1311#endif
1312])dnl
1313
1314dnl disable doc check
1315if test "${enable_doc}" = "no";then
1316 DOC=""
1317else
1318 DOC="doc"
1319fi
1320
1321dnl --------------------
1322dnl Daemon disable check
1323dnl --------------------
1324AM_CONDITIONAL(ZEBRA, test "${enable_zebra}" != "no")
1325
1326if test "${enable_bgpd}" = "no";then
1327 BGPD=""
1328else
1329 BGPD="bgpd"
1330fi
1331AM_CONDITIONAL(BGPD, test "x$BGPD" = "xbgpd")
1332
1333AM_CONDITIONAL(RIPD, test "${enable_ripd}" != "no")
1334AM_CONDITIONAL(OSPFD, test "${enable_ospfd}" != "no")
1335AM_CONDITIONAL(LDPD, test "${enable_ldpd}" != "no")
1336
1337AS_IF([test "${enable_ldpd}" != "no"], [
1338 AC_DEFINE(HAVE_LDPD, 1, ldpd)
1339])
1340
1341NHRPD=""
1342case "$host_os" in
1343 linux*)
1344 if test "${enable_nhrpd}" != "no"; then
1345 NHRPD="nhrpd"
1346 fi
1347 ;;
1348 *)
1349 if test "${enable_nhrpd}" = "yes"; then
1350 AC_MSG_ERROR([nhrpd requires kernel APIs that are only present on Linux.])
1351 fi
1352 ;;
1353esac
1354AM_CONDITIONAL(NHRPD, test "x$NHRPD" = "xnhrpd")
1355
1356AM_CONDITIONAL(EIGRPD, test "${enable_eigrpd}" != "no")
1357
1358if test "${enable_watchfrr}" = "no";then
1359 WATCHFRR=""
1360else
1361 WATCHFRR="watchfrr"
1362fi
1363AM_CONDITIONAL(WATCHFRR, test "x$WATCHFRR" = "xwatchfrr")
1364
1365OSPFCLIENT=""
1366if test "${enable_ospfapi}" != "no";then
1367 AC_DEFINE(SUPPORT_OSPF_API,,OSPFAPI)
1368
1369 if test "${enable_ospfclient}" != "no";then
1370 OSPFCLIENT="ospfclient"
1371 fi
1372fi
1373
1374AM_CONDITIONAL(OSPFCLIENT, test "x$OSPFCLIENT" = "xospfclient")
1375AM_CONDITIONAL(RIPNGD, test "${enable_ripngd}" != "no")
1376AM_CONDITIONAL(BABELD, test "${enable_babeld}" != "no")
1377AM_CONDITIONAL(OSPF6D, test "${enable_ospf6d}" != "no")
1378AM_CONDITIONAL(ISISD, test "${enable_isisd}" != "no")
1379AM_CONDITIONAL(PIMD, test "${enable_pimd}" != "no")
1380AM_CONDITIONAL(PBRD, test "${enable_pbrd}" != "no")
1381
1382if test "${enable_bgp_announce}" = "no";then
1383 AC_DEFINE(DISABLE_BGP_ANNOUNCE,1,Disable BGP installation to zebra)
1384else
1385 AC_DEFINE(DISABLE_BGP_ANNOUNCE,0,Disable BGP installation to zebra)
1386fi
1387
1388if test "${with_rfp_path}" = "yes" || test x"${with_rfp_path}" = x""; then
1389 with_rfp_path="bgpd/rfp-example"
1390fi
1391if test "${with_rfp_path}" != "no"; then
1392 VNC_RFP_PATH="${with_rfp_path}"
1393 AC_SUBST(VNC_RFP_PATH)
1394fi
1395
1396if test "${enable_bgp_vnc}" != "no";then
1397 AC_DEFINE(ENABLE_BGP_VNC,1,Enable BGP VNC support)
1398 RFPTEST="${with_rfp_path}/rfptest"
1399 LIBRFP="${with_rfp_path}/librfp"
1400 RFPINC="${with_rfp_path}/librfp"
1401else
1402 RFPTEST=
1403 LIBRFP=
1404 RFPINC="bgpd/rfp-example/librfp"
1405fi
1406# set
1407AM_CONDITIONAL([ENABLE_BGP_VNC], [test x${enable_bgp_vnc} != xno])
1408
1409AC_SUBST(DOC)
1410AC_SUBST(RFPTEST)
1411AC_SUBST(LIBRFP)
1412AC_SUBST(RFPINC)
1413AC_SUBST(BGPD)
1414AC_SUBST(SOLARIS)
1415AC_SUBST(VTYSH)
1416AC_SUBST(CURSES)
1417AC_CHECK_LIB(crypt, crypt, [],
1418 [AC_CHECK_LIB(crypto, DES_crypt)])
1419AC_CHECK_LIB(resolv, res_init)
1420
1421dnl ---------------------------
1422dnl check system has PCRE regexp
1423dnl ---------------------------
1424if test "x$enable_pcreposix" = "xyes"; then
1425 AC_CHECK_LIB(pcreposix, regexec, [], [
1426 AC_MSG_ERROR([--enable-pcreposix given but unable to find libpcreposix])
1427 ])
1428fi
1429AC_SUBST(HAVE_LIBPCREPOSIX)
1430
1431dnl ------------------
1432dnl check C-Ares library
1433dnl ------------------
1434if test "${NHRPD}" != ""; then
1435 PKG_CHECK_MODULES([CARES], [libcares], , [
1436 AC_MSG_ERROR([trying to build nhrpd, but libcares not found. install c-ares and its -dev headers.])
1437 ])
1438fi
1439
1440
1441dnl ------------------
1442dnl check Net-SNMP library
1443dnl ------------------
1444if test "${enable_snmp}" != "" -a "${enable_snmp}" != "no"; then
1445 AC_PATH_TOOL([NETSNMP_CONFIG], [net-snmp-config], [no])
1446 if test x"$NETSNMP_CONFIG" = x"no"; then
1447 AC_MSG_ERROR([--enable-snmp given but unable to find net-snmp-config])
1448 fi
1449 SNMP_LIBS="`${NETSNMP_CONFIG} --agent-libs`"
1450 SNMP_CFLAGS="`${NETSNMP_CONFIG} --base-cflags`"
1451 AC_MSG_CHECKING([whether we can link to Net-SNMP])
1452 AC_LINK_IFELSE_FLAGS([$SNMP_CFLAGS], [$SNMP_LIBS], [AC_LANG_PROGRAM([
1453int main(void);
1454],
1455[
1456{
1457 return 0;
1458}
1459])], [
1460 AC_MSG_ERROR([--enable-snmp given but not usable])])
1461 case "${enable_snmp}" in
1462 yes)
1463 SNMP_METHOD=agentx
1464 ;;
1465 smux|agentx)
1466 SNMP_METHOD="${enable_snmp}"
1467 ;;
1468 *)
1469 AC_MSG_ERROR([--enable-snmp given with an unknown method (${enable_snmp}). Use smux or agentx])
1470 ;;
1471 esac
1472 AH_TEMPLATE([SNMP_SMUX], [Use SNMP SMUX to interface with snmpd])
1473 AH_TEMPLATE([SNMP_AGENTX], [Use SNMP AgentX to interface with snmpd])
1474 AC_DEFINE_UNQUOTED(AS_TR_CPP(SNMP_${SNMP_METHOD}),,SNMP method to interface with snmpd)
1475fi
1476AM_CONDITIONAL([SNMP], [test "x${SNMP_METHOD}" != "x"])
1477AC_SUBST(SNMP_LIBS)
1478AC_SUBST(SNMP_CFLAGS)
1479
1480dnl ---------------
1481dnl math
1482dnl ---------------
1483AC_SEARCH_LIBS([sqrt], [m])
1484
1485dnl ---------------
1486dnl dlopen & dlinfo
1487dnl ---------------
1488AC_SEARCH_LIBS(dlopen, [dl dld], [], [
1489 AC_MSG_ERROR([unable to find the dlopen()])
1490])
1491
1492AC_CHECK_HEADERS([link.h])
1493
1494AC_MSG_CHECKING([for dlinfo(RTLD_DI_ORIGIN)])
1495AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1496#include <stdlib.h>
1497#ifdef HAVE_LINK_H
1498#include <link.h>
1499#endif
1500#include <dlfcn.h>
1501]], [[
1502 char origin[1];
1503 dlinfo (NULL, RTLD_DI_ORIGIN, &origin);
1504]])], [
1505 AC_MSG_RESULT(yes)
1506 AC_DEFINE(HAVE_DLINFO_ORIGIN, 1, [Have dlinfo RTLD_DI_ORIGIN])
1507], [
1508 AC_MSG_RESULT(no)
1509])
1510
1511AC_MSG_CHECKING([for dlinfo(RTLD_DI_LINKMAP)])
1512AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1513#include <stdlib.h>
1514#ifdef HAVE_LINK_H
1515#include <link.h>
1516#endif
1517#include <dlfcn.h>
1518]], [[
1519 struct link_map *lm = NULL;
1520 dlinfo (NULL, RTLD_DI_LINKMAP, &lm);
1521]])], [
1522 AC_MSG_RESULT(yes)
1523 AC_DEFINE(HAVE_DLINFO_LINKMAP, 1, [Have dlinfo RTLD_DI_LINKMAP])
1524], [
1525 AC_MSG_RESULT(no)
1526])
1527
1528
1529AM_CONDITIONAL(SNMP, test "x$SNMP_METHOD" = "xagentx")
1530
1531dnl ---------------------------
1532dnl sockaddr and netinet checks
1533dnl ---------------------------
1534AC_CHECK_TYPES([
1535 struct sockaddr_dl,
1536 struct vifctl, struct mfcctl, struct sioc_sg_req,
1537 vifi_t, struct sioc_vif_req, struct igmpmsg,
1538 struct ifaliasreq, struct if6_aliasreq, struct in6_aliasreq,
1539 struct nd_opt_adv_interval, struct rt_addrinfo,
1540 struct nd_opt_homeagent_info, struct nd_opt_adv_interval],
1541 [], [], FRR_INCLUDES)
1542
1543AC_CHECK_MEMBERS([struct sockaddr.sa_len,
1544 struct sockaddr_in.sin_len, struct sockaddr_un.sun_len,
1545 struct sockaddr_dl.sdl_len,
1546 struct if6_aliasreq.ifra_lifetime,
1547 struct nd_opt_adv_interval.nd_opt_ai_type],
1548 [], [], FRR_INCLUDES)
1549
1550dnl ---------------------------
1551dnl IRDP/pktinfo/icmphdr checks
1552dnl ---------------------------
1553
1554AC_CHECK_TYPES([struct in_pktinfo], [
1555 AC_CHECK_TYPES([struct icmphdr], [
1556 IRDP=true
1557 ], [
1558 IRDP=false
1559 ], [FRR_INCLUDES])
1560], [
1561 IRDP=false
1562], [FRR_INCLUDES])
1563
1564case "${enable_irdp}" in
1565yes)
1566 $IRDP || AC_MSG_ERROR(['IRDP requires in_pktinfo at the moment!'])
1567 ;;
1568no)
1569 IRDP=false
1570 ;;
1571esac
1572
1573AM_CONDITIONAL(IRDP, $IRDP)
1574
1575dnl -----------------------
1576dnl checking for IP_PKTINFO
1577dnl -----------------------
1578AC_MSG_CHECKING(for IP_PKTINFO)
1579AC_TRY_COMPILE([#include <netdb.h>], [
1580 int opt = IP_PKTINFO;
1581], [
1582 AC_MSG_RESULT(yes)
1583 AC_DEFINE(HAVE_IP_PKTINFO, 1, [Have IP_PKTINFO])
1584], [
1585 AC_MSG_RESULT(no)
1586])
1587
1588dnl ---------------------------
1589dnl checking for IP_RECVDSTADDR
1590dnl ---------------------------
1591AC_MSG_CHECKING(for IP_RECVDSTADDR)
1592AC_TRY_COMPILE([#include <netinet/in.h>], [
1593 int opt = IP_RECVDSTADDR;
1594], [
1595 AC_MSG_RESULT(yes)
1596 AC_DEFINE(HAVE_IP_RECVDSTADDR, 1, [Have IP_RECVDSTADDR])
1597], [
1598 AC_MSG_RESULT(no)
1599])
1600
1601dnl ----------------------
1602dnl checking for IP_RECVIF
1603dnl ----------------------
1604AC_MSG_CHECKING(for IP_RECVIF)
1605AC_TRY_COMPILE([#include <netinet/in.h>], [
1606 int opt = IP_RECVIF;
1607], [
1608 AC_MSG_RESULT(yes)
1609 AC_DEFINE(HAVE_IP_RECVIF, 1, [Have IP_RECVIF])
1610], [
1611 AC_MSG_RESULT(no)
1612])
1613
1614dnl ----------------------
1615dnl checking for SO_BINDANY
1616dnl ----------------------
1617AC_MSG_CHECKING(for SO_BINDANY)
1618AC_TRY_COMPILE([#include <sys/socket.h>], [
1619 int opt = SO_BINDANY;
1620], [
1621 AC_MSG_RESULT(yes)
1622 AC_DEFINE(HAVE_SO_BINDANY, 1, [Have SO_BINDANY])
1623], [
1624 AC_MSG_RESULT(no)
1625])
1626
1627dnl ----------------------
1628dnl checking for IP_FREEBIND
1629dnl ----------------------
1630AC_MSG_CHECKING(for IP_FREEBIND)
1631AC_TRY_COMPILE([#include <netinet/in.h>], [
1632 int opt = IP_FREEBIND;
1633], [
1634 AC_MSG_RESULT(yes)
1635 AC_DEFINE(HAVE_IP_FREEBIND, 1, [Have IP_FREEBIND])
1636], [
1637 AC_MSG_RESULT(no)
1638])
1639
1640dnl --------------------------------------
1641dnl checking for be32dec existence or not
1642dnl --------------------------------------
1643AC_CHECK_DECLS([be32enc, be32dec], [], [],
1644 [#include <sys/endian.h>])
1645
1646dnl --------------------------------------
1647dnl checking for clock_time monotonic struct and call
1648dnl --------------------------------------
1649AC_CHECK_DECL(CLOCK_MONOTONIC,
1650 [AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
1651 AC_DEFINE(HAVE_CLOCK_MONOTONIC,, Have monotonic clock)
1652], [AC_MSG_RESULT(no)], [FRR_INCLUDES])
1653
1654dnl --------------------------------------
1655dnl checking for flex and bison
1656dnl --------------------------------------
1657
1658AM_PROG_LEX
1659AC_MSG_CHECKING(version of flex)
1660frr_ac_flex_version="$(eval $LEX -V | grep flex | head -n 1)"
1661frr_ac_flex_version="${frr_ac_flex_version##* }"
1662AC_MSG_RESULT([$frr_ac_flex_version])
1663AX_COMPARE_VERSION([$frr_ac_flex_version], [lt], [2.5.20], [
1664 LEX="$SHELL $missing_dir/missing flex"
1665 if test -f "${srcdir}/lib/command_lex.c" -a -f "${srcdir}/lib/command_lex.h"; then
1666 AC_MSG_WARN([using pregenerated flex output files])
1667 else
1668 AC_MSG_ERROR([flex failure and pregenerated files not included (probably a git build)])
1669 fi
1670 AC_SUBST([LEX_OUTPUT_ROOT], [lex.yy])
1671 AC_SUBST([LEXLIB], [''])
1672])
1673
1674AC_PROG_YACC
1675dnl thanks GNU bison for this b*llshit...
1676AC_MSG_CHECKING(version of bison)
1677frr_ac_bison_version="$(eval $YACC -V | grep bison | head -n 1)"
1678frr_ac_bison_version="${frr_ac_bison_version##* }"
1679frr_ac_bison_missing="false"
1680case "x${frr_ac_bison_version}" in
1681 x2.7*)
1682 BISON_OPENBRACE='"'
1683 BISON_CLOSEBRACE='"'
1684 BISON_VERBOSE=''
1685 AC_MSG_RESULT([$frr_ac_bison_version - 2.7 or older])
1686 ;;
1687 x2.*|x1.*)
1688 AC_MSG_RESULT([$frr_ac_bison_version])
1689 AC_MSG_WARN([installed bison is too old. Please install GNU bison 2.7.x or newer.])
1690 frr_ac_bison_missing="true"
1691 ;;
1692 x)
1693 AC_MSG_RESULT([none])
1694 AC_MSG_WARN([could not determine bison version. Please install GNU bison 2.7.x or newer.])
1695 frr_ac_bison_missing="true"
1696 ;;
1697 *)
1698 BISON_OPENBRACE='{'
1699 BISON_CLOSEBRACE='}'
1700 BISON_VERBOSE='-Dparse.error=verbose'
1701 AC_MSG_RESULT([$frr_ac_bison_version - 3.0 or newer])
1702 ;;
1703esac
1704AC_SUBST(BISON_OPENBRACE)
1705AC_SUBST(BISON_CLOSEBRACE)
1706AC_SUBST(BISON_VERBOSE)
1707
1708if $frr_ac_bison_missing; then
1709 YACC="$SHELL $missing_dir/missing bison -y"
1710 if test -f "${srcdir}/lib/command_parse.c" -a -f "${srcdir}/lib/command_parse.h"; then
1711 AC_MSG_WARN([using pregenerated bison output files])
1712 else
1713 AC_MSG_ERROR([bison failure and pregenerated files not included (probably a git build)])
1714 fi
1715fi
1716
1717dnl -------------------
1718dnl capabilities checks
1719dnl -------------------
1720if test "${enable_capabilities}" != "no"; then
1721 AC_MSG_CHECKING(whether prctl PR_SET_KEEPCAPS is available)
1722 AC_TRY_COMPILE([#include <sys/prctl.h>],[prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0);],
1723 [AC_MSG_RESULT(yes)
1724 AC_DEFINE(HAVE_PR_SET_KEEPCAPS,,prctl)
1725 frr_ac_keepcaps="yes"],
1726 AC_MSG_RESULT(no)
1727 )
1728 if test x"${frr_ac_keepcaps}" = x"yes"; then
1729 AC_CHECK_HEADERS(sys/capability.h)
1730 fi
1731 if test x"${ac_cv_header_sys_capability_h}" = x"yes"; then
1732 AC_CHECK_LIB(cap, cap_init,
1733 [AC_DEFINE(HAVE_LCAPS,1,Capabilities)
1734 LIBCAP="-lcap"
1735 frr_ac_lcaps="yes"]
1736 )
1737 else
1738 AC_CHECK_HEADERS(priv.h,
1739 [AC_MSG_CHECKING(Solaris style privileges are available)
1740 AC_TRY_COMPILE([#include <priv.h>],[getpflags(PRIV_AWARE);],
1741 [AC_MSG_RESULT(yes)
1742 AC_DEFINE(HAVE_SOLARIS_CAPABILITIES,1,getpflags)
1743 frr_ac_scaps="yes"],
1744 AC_MSG_RESULT(no)
1745 )
1746 ]
1747 )
1748 fi
1749 if test x"${frr_ac_scaps}" = x"yes" \
1750 -o x"${frr_ac_lcaps}" = x"yes"; then
1751 AC_DEFINE(HAVE_CAPABILITIES,1,capabilities)
1752 fi
1753fi
1754AC_SUBST(LIBCAP)
1755
1756dnl ---------------------------
1757dnl check for glibc 'backtrace'
1758dnl ---------------------------
1759if test x"${enable_backtrace}" != x"no" ; then
1760 backtrace_ok=no
1761 AC_CHECK_HEADER([execinfo.h], [
1762 AC_SEARCH_LIBS([backtrace], [execinfo], [
1763 AC_DEFINE(HAVE_GLIBC_BACKTRACE,,[Glibc backtrace])
1764 AC_DEFINE(HAVE_STACK_TRACE,,[Stack symbol decoding])
1765 backtrace_ok=yes
1766 ],, [-lm])
1767 ])
1768
1769 if test x"${enable_backtrace}" = x"yes" -a x"${backtrace_ok}" = x"no"; then
1770 dnl user explicitly requested backtrace but we failed to find support
1771 AC_MSG_FAILURE([failed to find backtrace support])
1772 fi
1773fi
1774
1775dnl -----------------------------------------
1776dnl check for malloc mallinfo struct and call
1777dnl this must try and link using LIBS, in
1778dnl order to check no alternative allocator
1779dnl has been specified, which might not provide
1780dnl mallinfo, e.g. such as Umem on Solaris.
1781dnl -----------------------------------------
1782AC_CHECK_HEADER([malloc.h],
1783 [AC_MSG_CHECKING(whether mallinfo is available)
1784 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
1785 [[struct mallinfo ac_x; ac_x = mallinfo ();]])],
1786 [AC_MSG_RESULT(yes)
1787 AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
1788 AC_MSG_RESULT(no)
1789 )
1790 ], [], FRR_INCLUDES)
1791
1792dnl ------
1793dnl ZeroMQ
1794dnl ------
1795if test "x$enable_zeromq" != "xno"; then
1796 PKG_CHECK_MODULES(ZEROMQ, [libzmq >= 4.0.0], [
1797 AC_DEFINE(HAVE_ZEROMQ, 1, [Enable ZeroMQ support])
1798 ZEROMQ=true
1799 ], [
1800 if test "x$enable_zeromq" = "xyes"; then
1801 AC_MSG_ERROR([configuration specifies --enable-zeromq but libzmq was not found])
1802 fi
1803 ])
1804fi
1805AM_CONDITIONAL([ZEROMQ], test "x$ZEROMQ" = "xtrue")
1806
1807dnl ----------
1808dnl configure date
1809dnl ----------
1810CONFDATE=`date '+%Y%m%d'`
1811AC_SUBST(CONFDATE)
1812
1813dnl ------------------------------
1814dnl set paths for state directory
1815dnl ------------------------------
1816AC_MSG_CHECKING(directory to use for state file)
1817if test "${prefix}" = "NONE"; then
1818 frr_statedir_prefix="";
1819else
1820 frr_statedir_prefix=${prefix}
1821fi
1822if test "${localstatedir}" = '${prefix}/var'; then
1823 for FRR_STATE_DIR in ${frr_statedir_prefix}/var/run dnl
1824 ${frr_statedir_prefix}/var/adm dnl
1825 ${frr_statedir_prefix}/etc dnl
1826 /var/run dnl
1827 /var/adm dnl
1828 /etc dnl
1829 /dev/null;
1830 do
1831 test -d $FRR_STATE_DIR && break
1832 done
1833 frr_statedir=$FRR_STATE_DIR
1834else
1835 frr_statedir=${localstatedir}
1836fi
1837if test $frr_statedir = "/dev/null"; then
1838 AC_MSG_ERROR('STATE DIRECTORY NOT FOUND! FIX OR SPECIFY --localstatedir!')
1839fi
1840AC_MSG_RESULT(${frr_statedir})
1841AC_SUBST(frr_statedir)
1842
1843AC_DEFINE_UNQUOTED(LDPD_SOCKET, "$frr_statedir/ldpd.sock",ldpd control socket)
1844AC_DEFINE_UNQUOTED(ZEBRA_SERV_PATH, "$frr_statedir/zserv.api",zebra api socket)
1845AC_DEFINE_UNQUOTED(DAEMON_VTY_DIR, "$frr_statedir",daemon vty directory)
1846
1847dnl autoconf does this, but it does it too late...
1848test "x$prefix" = xNONE && prefix=$ac_default_prefix
1849test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1850
1851dnl get the full path, recursing through variables...
1852vtysh_bin="$bindir/vtysh"
1853for I in 1 2 3 4 5 6 7 8 9 10; do
1854 eval vtysh_bin="\"$vtysh_bin\""
1855done
1856AC_DEFINE_UNQUOTED(VTYSH_BIN_PATH, "$vtysh_bin",path to vtysh binary)
1857
1858CFG_SYSCONF="$sysconfdir"
1859CFG_SBIN="$sbindir"
1860CFG_STATE="$frr_statedir"
1861CFG_MODULE="$moduledir"
1862for I in 1 2 3 4 5 6 7 8 9 10; do
1863 eval CFG_SYSCONF="\"$CFG_SYSCONF\""
1864 eval CFG_SBIN="\"$CFG_SBIN\""
1865 eval CFG_STATE="\"$CFG_STATE\""
1866 eval CFG_MODULE="\"$CFG_MODULE\""
1867done
1868AC_SUBST(CFG_SYSCONF)
1869AC_SUBST(CFG_SBIN)
1870AC_SUBST(CFG_STATE)
1871AC_SUBST(CFG_MODULE)
1872AC_DEFINE_UNQUOTED(MODULE_PATH, "$CFG_MODULE", path to modules)
1873
1874dnl ------------------------------------
1875dnl Enable RPKI and add librtr to libs
1876dnl ------------------------------------
1877if test "${enable_rpki}" = "yes"; then
1878 PKG_CHECK_MODULES(RTRLIB,[rtrlib >= 0.5.0],
1879 [AC_DEFINE(HAVE_RPKI,1,Enable RPKI prefix validation for BGP)
1880 RPKI=true],
1881 [RPKI=false
1882 AC_MSG_ERROR([rtrlib was not found on your system or is too old.])]
1883 )
1884fi
1885AM_CONDITIONAL([RPKI], test "x$RPKI" = "xtrue")
1886
1887dnl ------------------------------------------
1888dnl Check whether rtrlib was build with ssh support
1889dnl ------------------------------------------
1890AC_MSG_CHECKING([whether the RTR Library is compiled with SSH])
1891AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include "rtrlib/rtrlib.h"]],
1892 [[struct tr_ssh_config config;]])],
1893 [AC_MSG_RESULT(yes)
1894 AC_DEFINE(FOUND_SSH,,found_ssh)],
1895 AC_MSG_RESULT(no)
1896)
1897
1898dnl ---------------------------
1899dnl Check htonl works correctly
1900dnl ---------------------------
1901AC_MSG_CHECKING(for working htonl)
1902AC_CACHE_VAL(ac_cv_htonl_works,
1903 [AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES],[htonl (0);])],
1904 [ac_cv_htonl_works=yes], [ac_cv_htonl_works=no])
1905 ]
1906)
1907AC_MSG_RESULT($ac_cv_htonl_works)
1908
1909AC_CONFIG_FILES([Makefile
1910 bgpd/Makefile
1911 vtysh/Makefile
1912 doc/Makefile tests/Makefile
1913 bgpd/rfp-example/rfptest/Makefile bgpd/rfp-example/librfp/Makefile
1914 redhat/frr.spec
1915 debianpkg/Makefile
1916 debianpkg/changelog
1917 alpine/APKBUILD
1918 snapcraft/snapcraft.yaml
1919 lib/version.h
1920 tests/lib/cli/test_cli.refout
1921 pkgsrc/bgpd.sh pkgsrc/ospf6d.sh pkgsrc/ospfd.sh
1922 pkgsrc/ripd.sh pkgsrc/ripngd.sh pkgsrc/zebra.sh
1923 pkgsrc/eigrpd.sh])
1924
1925if test "${enable_bgp_vnc}" != "no"; then
1926 if test "${with_rfp_path}" != "bgpd/rfp-example" ; then
1927 AC_CONFIG_FILES([${with_rfp_path}/rfptest/Makefile ${with_rfp_path}/librfp/Makefile])
1928 fi
1929fi
1930
1931AC_CONFIG_FILES([solaris/Makefile])
1932
1933AC_CONFIG_FILES([vtysh/extract.pl],[chmod +x vtysh/extract.pl])
1934
1935AC_CONFIG_COMMANDS([lib/route_types.h], [
1936 dst="${ac_abs_top_builddir}/lib/route_types.h"
1937 ${PERL} "${ac_abs_top_srcdir}/lib/route_types.pl" \
1938 < "${ac_abs_top_srcdir}/lib/route_types.txt" \
1939 > "${dst}.tmp"
1940 test -f "${dst}" \
1941 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
1942 && rm "${dst}.tmp" \
1943 || mv "${dst}.tmp" "${dst}"
1944], [
1945 PERL="$PERL"
1946])
1947
1948AS_IF([test "x$with_pkg_git_version" = "xyes"], [
1949 AC_CONFIG_COMMANDS([lib/gitversion.h], [
1950 dst="${ac_abs_top_builddir}/lib/gitversion.h"
1951 ${PERL} "${ac_abs_top_srcdir}/lib/gitversion.pl" \
1952 "${ac_abs_top_srcdir}" \
1953 > "${dst}.tmp"
1954 test -f "${dst}" \
1955 && diff "${dst}.tmp" "${dst}" >/dev/null 2>/dev/null \
1956 && rm "${dst}.tmp" \
1957 || mv "${dst}.tmp" "${dst}"
1958 ], [
1959 PERL="$PERL"
1960 ])
1961])
1962
1963## Hack, but working solution to avoid rebuilding of frr.info.
1964## It's already in CVS until texinfo 4.7 is more common.
1965AC_OUTPUT
1966
1967echo "
1968FRRouting configuration
1969------------------------------
1970FRR version : ${PACKAGE_VERSION}
1971host operating system : ${host_os}
1972source code location : ${srcdir}
1973compiler : ${CC}
1974compiler flags : ${CFLAGS}
1975make : ${MAKE-make}
1976linker flags : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}
1977state file directory : ${frr_statedir}
1978config file directory : `eval echo \`echo ${sysconfdir}\``
1979example directory : `eval echo \`echo ${exampledir}\``
1980module directory : ${CFG_MODULE}
1981user to run as : ${enable_user}
1982group to run as : ${enable_group}
1983group for vty sockets : ${enable_vty_group}
1984config file mask : ${enable_configfile_mask}
1985log file mask : ${enable_logfile_mask}
1986zebra protobuf enabled : ${have_protobuf:-no}
1987
1988The above user and group must have read/write access to the state file
1989directory and to the config files in the config file directory."
FRRouting mirror