2 # Process this file with autoconf to produce a configure script.
4 sinclude(acx_nlnetlabs.m4)
5 sinclude(ax_pthread.m4)
6 sinclude(acx_python.m4)
7 sinclude(ac_pkg_swig.m4)
8 sinclude(dnstap/dnstap.m4)
9 sinclude(dnscrypt/dnscrypt.m4)
11 # must be numbers. ac_defun because of later processing
12 m4_define([VERSION_MAJOR],[1])
13 m4_define([VERSION_MINOR],[13])
14 m4_define([VERSION_MICRO],[0])
15 AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl or https://github.com/NLnetLabs/unbound/issues, unbound)
16 AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
17 AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
18 AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
21 LIBUNBOUND_REVISION=11
30 # 1.3.0 had 1:0:0 # ub_cancel and -export-symbols.
35 # 1.4.0-snapshots had 1:5:0
36 # 1.4.0 had 1:5:0 (not 2:0:0) # ub_result.why_bogus
50 # and 1.4.13p1 and 1.4.13.p2
52 # 1.4.15 had 3:0:1 # adds ub_version()
57 # 1.4.20 had 4:0:2 # adds libunbound.ttl # but shipped 3:5:1
60 # 1.5.0 had 5:3:3 # adds ub_ctx_add_ta_autr
68 # 1.5.8 had 6:0:4 # adds ub_ctx_set_stub
72 # 1.6.1 had 7:0:5 # ub_callback_t typedef renamed to ub_callback_type
84 # 1.8.0 had 8:0:0 # changes the event callback function signature
88 # 1.9.0 had 9:0:1 # add ub_ctx_set_tls
101 # Current -- the number of the binary API that we're implementing
102 # Revision -- which iteration of the implementation of the binary
103 # API are we supplying?
104 # Age -- How many previous binary API versions do we also
107 # If we release a new version that does not change the binary API,
108 # increment Revision.
110 # If we release a new version that changes the binary API, but does
111 # not break programs compiled against the old binary API, increment
112 # Current and Age. Set Revision to 0, since this is the first
113 # implementation of the new API.
115 # Otherwise, we're changing the binary API and breaking backward
116 # compatibility with old binaries. Increment Current. Set Age to 0,
117 # since we're backward compatible with no previous APIs. Set Revision
119 AC_SUBST(LIBUNBOUND_CURRENT)
120 AC_SUBST(LIBUNBOUND_REVISION)
121 AC_SUBST(LIBUNBOUND_AGE)
124 cmdln="`echo $@ | sed -e 's/\\\\/\\\\\\\\/g' | sed -e 's/"/\\\\"/'g`"
125 AC_DEFINE_UNQUOTED(CONFCMDLINE, ["$cmdln"], [Command line arguments used with configure])
129 if test "$ac_cv_header_minix_config_h" = "yes"; then
130 AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
134 dnl By default set prefix to /usr/local
141 case "$exec_prefix" in
143 exec_prefix="$prefix"
148 if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
150 if echo $host $target | grep mingw32 >/dev/null; then on_mingw="yes"
151 else on_mingw="no"; fi
155 # Determine configuration file
156 # the eval is to evaluate shell expansion twice
157 UNBOUND_SBIN_DIR=`eval echo "${sbindir}"`
158 AC_SUBST(UNBOUND_SBIN_DIR)
159 UNBOUND_SYSCONF_DIR=`eval echo "${sysconfdir}"`
160 AC_SUBST(UNBOUND_SYSCONF_DIR)
161 UNBOUND_LOCALSTATE_DIR=`eval echo "${localstatedir}"`
162 AC_SUBST(UNBOUND_LOCALSTATE_DIR)
163 if test $on_mingw = "no"; then
164 ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
166 ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
168 AC_ARG_WITH([conf_file],
169 AC_HELP_STRING([--with-conf-file=path],
170 [Pathname to the Unbound configuration file]),
171 [ub_conf_file="$withval"])
172 AC_SUBST(ub_conf_file)
173 ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
174 AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
175 ub_conf_dir=`AS_DIRNAME(["$ub_conf_file"])`
176 AC_SUBST(ub_conf_dir)
178 # Determine run, chroot directory and pidfile locations
180 AC_HELP_STRING([--with-run-dir=path],
181 [set default directory to chdir to (by default dir part of cfg file)]),
182 UNBOUND_RUN_DIR="$withval",
183 if test $on_mingw = no; then
184 UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
189 AC_SUBST(UNBOUND_RUN_DIR)
190 ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
191 AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
193 AC_ARG_WITH(chroot-dir,
194 AC_HELP_STRING([--with-chroot-dir=path],
195 [set default directory to chroot to (by default same as run-dir)]),
196 UNBOUND_CHROOT_DIR="$withval",
197 if test $on_mingw = no; then
198 UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
200 UNBOUND_CHROOT_DIR=""
203 AC_SUBST(UNBOUND_CHROOT_DIR)
204 ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
205 AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
207 AC_ARG_WITH(share-dir,
208 AC_HELP_STRING([--with-share-dir=path],
209 [set default directory with shared data (by default same as share/unbound)]),
210 UNBOUND_SHARE_DIR="$withval",
211 UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
212 AC_SUBST(UNBOUND_SHARE_DIR)
213 AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
216 AC_HELP_STRING([--with-pidfile=filename],
217 [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
218 UNBOUND_PIDFILE="$withval",
219 if test $on_mingw = no; then
220 UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
225 AC_SUBST(UNBOUND_PIDFILE)
226 ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
227 AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
229 AC_ARG_WITH(rootkey-file,
230 AC_HELP_STRING([--with-rootkey-file=filename],
231 [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
232 UNBOUND_ROOTKEY_FILE="$withval",
233 if test $on_mingw = no; then
234 UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
236 UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
239 AC_SUBST(UNBOUND_ROOTKEY_FILE)
240 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
241 AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
243 AC_ARG_WITH(rootcert-file,
244 AC_HELP_STRING([--with-rootcert-file=filename],
245 [set default pathname to root update certificate file (default run-dir/icannbundle.pem). This file need not exist if you are content with the builtin.]),
246 UNBOUND_ROOTCERT_FILE="$withval",
247 if test $on_mingw = no; then
248 UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
250 UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
253 AC_SUBST(UNBOUND_ROOTCERT_FILE)
254 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
255 AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
257 AC_ARG_WITH(username,
258 AC_HELP_STRING([--with-username=user],
259 [set default user that unbound changes to (default user is unbound)]),
260 UNBOUND_USERNAME="$withval",
261 UNBOUND_USERNAME="unbound")
262 AC_SUBST(UNBOUND_USERNAME)
263 AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
265 AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
266 ACX_RSRC_VERSION(wnvs)
267 AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
269 # Checks for typedefs, structures, and compiler characteristics.
272 # allow user to override the -g -O2 flags.
274 if test "x$CFLAGS" = "x" ; then
275 ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
276 ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
281 ACX_DETERMINE_EXT_FLAGS_UNBOUND
283 # debug mode flags warnings
284 AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
285 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
286 if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
287 else debug_enabled="$enable_checking"; fi
288 AC_SUBST(debug_enabled)
289 case "$debug_enabled" in
291 ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
292 ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
293 ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
294 ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
295 AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
301 if test "$default_cflags" = "yes"; then
302 # only when CFLAGS was "" at the start, if the users wants to
303 # override we shouldn't add default cflags, because they wouldn't
304 # be able to turn off these options and set the CFLAGS wanted.
311 ACX_CHECK_FORMAT_ATTRIBUTE
312 ACX_CHECK_UNUSED_ATTRIBUTE
314 AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
315 [AC_REQUIRE([AC_PROG_CC])
316 AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "weak" attribute)
317 AC_CACHE_VAL(ac_cv_c_weak_attribute,
318 [ac_cv_c_weak_attribute=no
321 __attribute__((weak)) void f(int x) { printf("%d", x); }
325 [ac_cv_c_weak_attribute="yes"],
326 [ac_cv_c_weak_attribute="no"])
329 AC_MSG_RESULT($ac_cv_c_weak_attribute)
330 if test $ac_cv_c_weak_attribute = yes; then
331 AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
332 AC_DEFINE(ATTR_WEAK, [__attribute__((weak))], [apply the weak attribute to a symbol])
334 ])dnl End of CHECK_WEAK_ATTRIBUTE
338 AC_DEFUN([CHECK_NORETURN_ATTRIBUTE],
339 [AC_REQUIRE([AC_PROG_CC])
340 AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "noreturn" attribute)
341 AC_CACHE_VAL(ac_cv_c_noreturn_attribute,
342 [ac_cv_c_noreturn_attribute=no
345 __attribute__((noreturn)) void f(int x) { printf("%d", x); }
349 [ac_cv_c_noreturn_attribute="yes"],
350 [ac_cv_c_noreturn_attribute="no"])
353 AC_MSG_RESULT($ac_cv_c_noreturn_attribute)
354 if test $ac_cv_c_noreturn_attribute = yes; then
355 AC_DEFINE(HAVE_ATTR_NORETURN, 1, [Whether the C compiler accepts the "noreturn" attribute])
356 AC_DEFINE(ATTR_NORETURN, [__attribute__((__noreturn__))], [apply the noreturn attribute to a function that exits the program])
358 ])dnl End of CHECK_NORETURN_ATTRIBUTE
360 CHECK_NORETURN_ATTRIBUTE
362 if test "$srcdir" != "."; then
363 CPPFLAGS="$CPPFLAGS -I$srcdir"
366 AC_DEFUN([ACX_YYLEX_DESTROY], [
367 AC_MSG_CHECKING([for yylex_destroy])
368 if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
369 AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
371 else AC_MSG_RESULT(no);
376 AC_DEFUN([ACX_YYLEX_OPTION], [
377 AC_MSG_CHECKING([for lex %option])
378 if cat <<EOF | $LEX -t 2>&1 | grep yy_delete_buffer >/dev/null 2>&1; then
383 else AC_MSG_RESULT(no);
389 if test "$LEX" != "" -a "$LEX" != ":"; then
392 if test "$LEX" != "" -a "$LEX" != ":"; then
396 AC_CHECK_PROG(doxygen, doxygen, doxygen)
397 AC_CHECK_TOOL(STRIP, strip)
402 # Checks for header files.
403 AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h sys/select.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h sys/endian.h libkern/OSByteOrder.h sys/ipc.h sys/shm.h ifaddrs.h],,, [AC_INCLUDES_DEFAULT])
404 # net/if.h portability for Darwin see:
405 # https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Header-Portability.html
406 AC_CHECK_HEADERS([net/if.h],,, [
412 # ifdef HAVE_STDLIB_H
416 #ifdef HAVE_SYS_SOCKET_H
417 # include <sys/socket.h>
421 # Check for Apple header. This uncovers TARGET_OS_IPHONE, TARGET_OS_TV or TARGET_OS_WATCH
422 AC_CHECK_HEADERS([TargetConditionals.h])
425 # Using own tests for int64* because autoconf builtin only give 32bit.
426 AC_CHECK_TYPE(int8_t, signed char)
427 AC_CHECK_TYPE(int16_t, short)
428 AC_CHECK_TYPE(int32_t, int)
429 AC_CHECK_TYPE(int64_t, long long)
430 AC_CHECK_TYPE(uint8_t, unsigned char)
431 AC_CHECK_TYPE(uint16_t, unsigned short)
432 AC_CHECK_TYPE(uint32_t, unsigned int)
433 AC_CHECK_TYPE(uint64_t, unsigned long long)
435 AC_CHECK_TYPE(ssize_t, int)
444 ACX_CHECK_MEMCMP_SIGNED
446 AC_CHECK_SIZEOF(time_t,,[
448 #ifdef TIME_WITH_SYS_TIME
449 # include <sys/time.h>
452 # ifdef HAVE_SYS_TIME_H
453 # include <sys/time.h>
459 AC_CHECK_SIZEOF(size_t)
461 # add option to disable the evil rpath
463 AC_SUBST(RUNTIME_PATH)
465 # check to see if libraries are needed for these functions.
466 AC_SEARCH_LIBS([inet_pton], [nsl])
467 AC_SEARCH_LIBS([socket], [socket])
469 # check wether strptime also works
470 AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
471 [AC_REQUIRE([AC_PROG_CC])
472 AC_MSG_CHECKING(whether strptime works)
473 if test c${cross_compiling} = cno; then
474 AC_RUN_IFELSE([AC_LANG_SOURCE([[
475 #define _XOPEN_SOURCE 600
477 int main(void) { struct tm tm; char *res;
478 res = strptime("2010-07-15T00:00:00+00:00", "%t%Y%t-%t%m%t-%t%d%tT%t%H%t:%t%M%t:%t%S%t", &tm);
480 res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
481 if (!res) return 1; return 0; }
482 ]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
484 eval "ac_cv_c_strptime_works=maybe"
486 AC_MSG_RESULT($ac_cv_c_strptime_works)
487 if test $ac_cv_c_strptime_works = no; then
490 AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
494 # check some functions of the OS before linking libs (while still runnable).
500 ACX_CHECK_NONBLOCKING_BROKEN
502 AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
504 # check if we can use SO_REUSEPORT
505 if echo "$host" | $GREP -i -e linux -e dragonfly >/dev/null; then
506 AC_DEFINE(REUSEPORT_DEFAULT, 1, [if REUSEPORT is enabled by default])
508 AC_DEFINE(REUSEPORT_DEFAULT, 0, [if REUSEPORT is enabled by default])
511 # Include systemd.m4 - begin
513 # Include systemd.m4 - end
515 # set memory allocation checking if requested
516 AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
517 [ enable to memory allocation statistics, for debug purposes ]),
519 AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
520 [ enable for lightweight alloc assertions, for debug purposes ]),
522 AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
523 [ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
525 if test x_$enable_alloc_nonregional = x_yes; then
526 AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
528 if test x_$enable_alloc_checks = x_yes; then
529 AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
530 SLDNS_ALLOCCHECK_EXTRA_OBJ="alloc.lo log.lo"
531 AC_SUBST(SLDNS_ALLOCCHECK_EXTRA_OBJ)
532 ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ="alloc.lo"
533 AC_SUBST(ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ)
535 if test x_$enable_alloc_lite = x_yes; then
536 AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
538 ACX_FUNC_MALLOC([unbound])
542 # check windows threads (we use them, not pthreads, on windows).
543 if test "$on_mingw" = "yes"; then
544 # check windows threads
545 AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
546 AC_MSG_CHECKING([for CreateThread])
547 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
548 #ifdef HAVE_WINDOWS_H
552 HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
555 AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
561 # not on mingw, check thread libraries.
563 # check for thread library.
564 # check this first, so that the pthread lib does not get linked in via
565 # libssl or libpython, and thus distorts the tests, and we end up using
566 # the non-threadsafe C libraries.
567 AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
568 [use pthreads library, or --without-pthreads to disable threading support.]),
569 [ ],[ withval="yes" ])
571 if test x_$withval != x_no; then
573 AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
574 if test -n "$PTHREAD_LIBS"; then
575 LIBS="$PTHREAD_LIBS $LIBS"
577 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
580 AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
582 if echo "$CFLAGS" | $GREP -e "-pthread" >/dev/null; then
583 AC_MSG_CHECKING([if -pthread unused during linking])
584 # catch clang warning 'argument unused during compilation'
585 AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
587 int main(void) {return 0;}
591 echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
592 $CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
595 echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
596 $CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
597 if test $? -ne 0; then
599 CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
600 PTHREAD_CFLAGS_ONLY="-pthread"
601 AC_SUBST(PTHREAD_CFLAGS_ONLY)
607 fi # endif cc successful
608 rm -f conftest conftest.c conftest.o
609 fi # endif -pthread in CFLAGS
614 # check solaris thread library
615 AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
616 [use solaris native thread library.]), [ ],[ withval="no" ])
617 ub_have_sol_threads=no
618 if test x_$withval != x_no; then
619 if test x_$ub_have_pthreads != x_no; then
620 AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
622 AC_SEARCH_LIBS(thr_create, [thread],
624 AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
626 ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
627 [CFLAGS="$CFLAGS -D_REENTRANT"])
628 ub_have_sol_threads=yes
630 AC_ERROR([no solaris threads found.])
635 fi # end of non-mingw check of thread libraries
637 # Check for SYSLOG_FACILITY
638 AC_ARG_WITH(syslog-facility, AC_HELP_STRING([--with-syslog-facility=LOCAL0 - LOCAL7], [ set SYSLOG_FACILITY, default DAEMON ]),
639 [ UNBOUND_SYSLOG_FACILITY="$withval" ], [])
640 case "${UNBOUND_SYSLOG_FACILITY}" in
642 LOCAL[[0-7]]) UNBOUND_SYSLOG_FACILITY="LOG_${UNBOUND_SYSLOG_FACILITY}" ;;
644 *) UNBOUND_SYSLOG_FACILITY="LOG_DAEMON" ;;
647 AC_DEFINE_UNQUOTED(UB_SYSLOG_FACILITY,${UNBOUND_SYSLOG_FACILITY},[the SYSLOG_FACILITY to use, default LOG_DAEMON])
649 # Check for dynamic library module
650 AC_ARG_WITH(dynlibmodule,
651 AC_HELP_STRING([--with-dynlibmodule],
652 [build dynamic library module, or --without-dynlibmodule to disable it. (default=no)]),
653 [], [ withval="no" ])
655 if test x_$withval != x_no; then
656 AC_DEFINE(WITH_DYNLIBMODULE, 1, [Define if you want dynlib module.])
657 WITH_DYNLIBMODULE=yes
658 AC_SUBST(WITH_DYNLIBMODULE)
659 DYNLIBMOD_OBJ="dynlibmod.lo"
660 AC_SUBST(DYNLIBMOD_OBJ)
661 DYNLIBMOD_HEADER='$(srcdir)/dynlibmod/dynlibmod.h'
662 AC_SUBST(DYNLIBMOD_HEADER)
663 if test $on_mingw = "no"; then
664 DYNLIBMOD_EXTRALIBS="-ldl -export-dynamic"
666 DYNLIBMOD_EXTRALIBS="-Wl,--export-all-symbols,--out-implib,libunbound.a"
668 AC_SUBST(DYNLIBMOD_EXTRALIBS)
671 # Check for PyUnbound
672 AC_ARG_WITH(pyunbound,
673 AC_HELP_STRING([--with-pyunbound],
674 [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
675 [], [ withval="no" ])
679 if test x_$withval != x_no; then
680 ub_with_pyunbound=yes
684 # Check for Python module
685 AC_ARG_WITH(pythonmodule,
686 AC_HELP_STRING([--with-pythonmodule],
687 [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
688 [], [ withval="no" ])
691 if test x_$withval != x_no; then
692 ub_with_pythonmod=yes
696 # Check for Python & SWIG only on PyUnbound or PyModule
697 if test x_$ub_test_python != x_no; then
701 ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
703 if test ! -z "$PYTHON_VERSION"; then
704 if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
705 AC_ERROR([Python version >= 2.4.0 is required])
708 [PY_MAJOR_VERSION="`$PYTHON -c \"import sys; print(sys.version_info[0])\"`"]
709 AC_SUBST(PY_MAJOR_VERSION)
711 AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
712 if test -n "$LIBS"; then
713 LIBS="$PYTHON_LDFLAGS $LIBS"
715 LIBS="$PYTHON_LDFLAGS"
717 if test -n "$CPPFLAGS"; then
718 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
720 CPPFLAGS="$PYTHON_CPPFLAGS"
722 if test "$PYTHON_LIBDIR" != "/usr/lib" -a "$PYTHON_LIBDIR" != "" -a "$PYTHON_LIBDIR" != "/usr/lib64"; then
723 ACX_RUNTIME_PATH_ADD([$PYTHON_LIBDIR])
726 PKG_CHECK_EXISTS(["python${PY_MAJOR_VERSION}"],
727 [PC_PY_DEPENDENCY="python${PY_MAJOR_VERSION}"],
728 [PC_PY_DEPENDENCY="python"])
729 AC_SUBST(PC_PY_DEPENDENCY)
733 AC_ARG_ENABLE(swig-version-check, AC_HELP_STRING([--disable-swig-version-check], [Disable swig version check to build python modules with older swig even though that is unreliable]))
734 if test "$enable_swig_version_check" = "yes"; then
739 AC_MSG_CHECKING(SWIG)
740 if test ! -x "$SWIG"; then
741 AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
743 AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
744 AC_SUBST(swig, "$SWIG")
745 AC_MSG_RESULT(present)
747 # If have Python & SWIG
749 if test x_$ub_with_pythonmod != x_no; then
750 AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
751 WITH_PYTHONMODULE=yes
752 AC_SUBST(WITH_PYTHONMODULE)
753 PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
754 AC_SUBST(PYTHONMOD_OBJ)
755 PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
756 AC_SUBST(PYTHONMOD_HEADER)
757 PYTHONMOD_INSTALL=pythonmod-install
758 AC_SUBST(PYTHONMOD_INSTALL)
759 PYTHONMOD_UNINSTALL=pythonmod-uninstall
760 AC_SUBST(PYTHONMOD_UNINSTALL)
764 if test x_$ub_with_pyunbound != x_no; then
765 AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
767 AC_SUBST(WITH_PYUNBOUND)
768 PYUNBOUND_OBJ="libunbound_wrap.lo"
769 AC_SUBST(PYUNBOUND_OBJ)
770 PYUNBOUND_TARGET="_unbound.la"
771 AC_SUBST(PYUNBOUND_TARGET)
772 PYUNBOUND_INSTALL=pyunbound-install
773 AC_SUBST(PYUNBOUND_INSTALL)
774 PYUNBOUND_UNINSTALL=pyunbound-uninstall
775 AC_SUBST(PYUNBOUND_UNINSTALL)
779 AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
785 if test "`uname`" = "NetBSD"; then
786 NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
787 AC_SUBST(NETBSD_LINTFLAGS)
789 CONFIG_DATE=`date +%Y%m%d`
790 AC_SUBST(CONFIG_DATE)
792 # Checks for libraries.
796 AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
797 [use libnss instead of openssl, installed at path.]),
800 AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
801 if test "$withval" != "" -a "$withval" != "yes"; then
802 CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
803 LDFLAGS="$LDFLAGS -L$withval/lib"
804 ACX_RUNTIME_PATH_ADD([$withval/lib])
805 CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
807 CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
808 CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
810 LIBS="$LIBS -lnss3 -lnspr4"
812 PC_CRYPTO_DEPENDENCY="nss nspr"
813 AC_SUBST(PC_CRYPTO_DEPENDENCY)
819 AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
820 [use libnettle as crypto library, installed at path.]),
823 AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
824 AC_CHECK_HEADERS([nettle/dsa-compat.h],,, [AC_INCLUDES_DEFAULT])
825 if test "$withval" != "" -a "$withval" != "yes"; then
826 CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
827 LDFLAGS="$LDFLAGS -L$withval/lib"
828 ACX_RUNTIME_PATH_ADD([$withval/lib])
830 CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
832 LIBS="$LIBS -lhogweed -lnettle -lgmp"
834 PC_CRYPTO_DEPENDENCY="hogweed nettle"
835 AC_SUBST(PC_CRYPTO_DEPENDENCY)
840 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
845 PC_CRYPTO_DEPENDENCY="libcrypto libssl"
846 AC_SUBST(PC_CRYPTO_DEPENDENCY)
848 # check if -lcrypt32 is needed because CAPIENG needs that. (on windows)
851 AC_MSG_CHECKING([if libssl needs -lcrypt32])
852 AC_TRY_LINK_FUNC([EVP_sha256], [
858 LIBS="$LIBS -lcrypt32"
861 AC_MSG_CHECKING([for LibreSSL])
862 if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
864 AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
865 # libressl provides these compat functions, but they may also be
866 # declared by the OS in libc. See if they have been declared.
867 AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform])
871 AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h],,, [AC_INCLUDES_DEFAULT])
872 AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback EVP_MAC_CTX_set_params])
874 # these check_funcs need -lssl
877 AC_CHECK_FUNCS([OPENSSL_init_ssl SSL_CTX_set_security_level SSL_set1_host SSL_get0_peername X509_VERIFY_PARAM_set1_host SSL_CTX_set_ciphersuites SSL_CTX_set_tlsext_ticket_key_evp_cb SSL_CTX_set_alpn_select_cb])
880 AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
882 #ifdef HAVE_OPENSSL_ERR_H
883 #include <openssl/err.h>
886 #ifdef HAVE_OPENSSL_RAND_H
887 #include <openssl/rand.h>
890 #ifdef HAVE_OPENSSL_CONF_H
891 #include <openssl/conf.h>
894 #ifdef HAVE_OPENSSL_ENGINE_H
895 #include <openssl/engine.h>
897 #include <openssl/ssl.h>
898 #include <openssl/evp.h>
901 if test "$ac_cv_func_HMAC_Init_ex" = "yes"; then
902 # check function return type.
903 AC_MSG_CHECKING(the return type of HMAC_Init_ex)
904 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
905 #ifdef HAVE_OPENSSL_ERR_H
906 #include <openssl/err.h>
909 #ifdef HAVE_OPENSSL_RAND_H
910 #include <openssl/rand.h>
913 #ifdef HAVE_OPENSSL_CONF_H
914 #include <openssl/conf.h>
917 #ifdef HAVE_OPENSSL_ENGINE_H
918 #include <openssl/engine.h>
920 #include <openssl/ssl.h>
921 #include <openssl/evp.h>
923 HMAC_CTX* hmac_ctx = NULL;
924 void* hmac_key = NULL;
925 const EVP_MD* digest = NULL;
926 int x = HMAC_Init_ex(hmac_ctx, hmac_key, 32, digest, NULL);
932 AC_DEFINE([HMAC_INIT_EX_RETURNS_VOID], 1, [If HMAC_Init_ex() returns void])
940 AC_ARG_WITH([libbsd], AC_HELP_STRING([--with-libbsd], [Use portable libbsd functions]), [
941 AC_CHECK_HEADERS([bsd/string.h bsd/stdlib.h],,, [AC_INCLUDES_DEFAULT])
942 if test "x$ac_cv_header_bsd_string_h" = xyes -a "x$ac_cv_header_bsd_stdlib_h" = xyes; then
943 for func in strlcpy strlcat arc4random arc4random_uniform reallocarray; do
944 AC_SEARCH_LIBS([$func], [bsd], [
945 AC_DEFINE(HAVE_LIBBSD, 1, [Use portable libbsd functions])
946 PC_LIBBSD_DEPENDENCY=libbsd
947 AC_SUBST(PC_LIBBSD_DEPENDENCY)
953 AC_ARG_ENABLE(sha1, AC_HELP_STRING([--disable-sha1], [Disable SHA1 RRSIG support, does not disable nsec3 support]))
954 case "$enable_sha1" in
958 AC_DEFINE([USE_SHA1], [1], [Define this to enable SHA1 support.])
963 AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
964 case "$enable_sha2" in
968 AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
972 AC_ARG_ENABLE(subnet, AC_HELP_STRING([--enable-subnet], [Enable client subnet]))
973 case "$enable_subnet" in
975 AC_DEFINE([CLIENT_SUBNET], [1], [Define this to enable client subnet option.])
976 SUBNET_OBJ="edns-subnet.lo subnetmod.lo addrtree.lo subnet-whitelist.lo"
978 SUBNET_HEADER='$(srcdir)/edns-subnet/subnetmod.h $(srcdir)/edns-subnet/edns-subnet.h $(srcdir)/edns-subnet/subnet-whitelist.h $(srcdir)/edns-subnet/addrtree.h'
979 AC_SUBST(SUBNET_HEADER)
985 # check wether gost also works
986 AC_DEFUN([AC_CHECK_GOST_WORKS],
987 [AC_REQUIRE([AC_PROG_CC])
988 AC_MSG_CHECKING([if GOST works])
989 if test c${cross_compiling} = cno; then
991 if test -n "$ssldir"; then
992 CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
994 AC_RUN_IFELSE([AC_LANG_SOURCE([[
996 #include <openssl/ssl.h>
997 #include <openssl/evp.h>
998 #include <openssl/engine.h>
999 #include <openssl/conf.h>
1000 /* routine to load gost (from sldns) */
1001 int load_gost_id(void)
1003 static int gost_id = 0;
1004 const EVP_PKEY_ASN1_METHOD* meth;
1007 if(gost_id) return gost_id;
1009 /* see if configuration loaded gost implementation from other engine*/
1010 meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
1012 EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
1016 /* see if engine can be loaded already */
1017 e = ENGINE_by_id("gost");
1019 /* load it ourself, in case statically linked */
1020 ENGINE_load_builtin_engines();
1021 ENGINE_load_dynamic();
1022 e = ENGINE_by_id("gost");
1025 /* no gost engine in openssl */
1028 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1034 meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
1036 /* algo not found */
1041 EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
1047 unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
1048 const char* str = "Hello world";
1049 const unsigned char check[] = {
1050 0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
1051 0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
1052 0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
1053 0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
1055 OPENSSL_config(NULL);
1056 (void)load_gost_id();
1057 md = EVP_get_digestbyname("md_gost94");
1059 memset(digest, 0, sizeof(digest));
1060 ctx = EVP_MD_CTX_create();
1062 if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
1063 if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
1064 if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
1065 /* uncomment to see the hash calculated.
1068 printf(" %2.2x", (int)digest[i]);
1071 if(memcmp(digest, check, sizeof(check)) != 0)
1075 ]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
1078 eval "ac_cv_c_gost_works=maybe"
1080 AC_MSG_RESULT($ac_cv_c_gost_works)
1083 AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
1085 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1086 case "$enable_gost" in
1090 AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
1091 AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
1093 if test "$ac_cv_c_gost_works" != no; then
1095 AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
1099 fi dnl !USE_NSS && !USE_NETTLE
1101 AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
1103 case "$enable_ecdsa" in
1107 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1108 AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
1109 AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
1110 AC_CHECK_DECLS([NID_X9_62_prime256v1, NID_secp384r1], [], [AC_MSG_ERROR([OpenSSL does not support the ECDSA curves: please upgrade or rerun with --disable-ecdsa])], [AC_INCLUDES_DEFAULT
1111 #include <openssl/evp.h>
1113 # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
1114 AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
1115 if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
1116 if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
1118 AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
1120 AC_MSG_RESULT([yes])
1123 # not OpenSSL, thus likely LibreSSL, which supports it
1124 AC_MSG_RESULT([yes])
1127 # we now know we have ECDSA and the required curves.
1128 AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
1133 AC_ARG_ENABLE(dsa, AC_HELP_STRING([--disable-dsa], [Disable DSA support]))
1135 case "$enable_dsa" in
1137 # detect if DSA is supported, and turn it off if not.
1138 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1139 AC_CHECK_FUNC(DSA_SIG_new, [
1140 AC_CHECK_TYPE(DSA_SIG*, [
1141 AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
1142 ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
1145 #ifdef HAVE_OPENSSL_ERR_H
1146 #include <openssl/err.h>
1149 #ifdef HAVE_OPENSSL_RAND_H
1150 #include <openssl/rand.h>
1153 #ifdef HAVE_OPENSSL_CONF_H
1154 #include <openssl/conf.h>
1157 #ifdef HAVE_OPENSSL_ENGINE_H
1158 #include <openssl/engine.h>
1161 ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
1164 AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
1168 # disable dsa by default, RFC 8624 section 3.1, validators MUST NOT
1169 # support DSA for DNSSEC Validation.
1173 AC_ARG_ENABLE(ed25519, AC_HELP_STRING([--disable-ed25519], [Disable ED25519 support]))
1175 case "$enable_ed25519" in
1179 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1180 AC_CHECK_DECLS([NID_ED25519], [
1182 ], [ if test "x$enable_ed25519" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support ED25519 and you used --enable-ed25519.])
1183 fi ], [AC_INCLUDES_DEFAULT
1184 #include <openssl/evp.h>
1187 if test $USE_NETTLE = "yes"; then
1188 AC_CHECK_HEADERS([nettle/eddsa.h], use_ed25519="yes",, [AC_INCLUDES_DEFAULT])
1190 if test $use_ed25519 = "yes"; then
1191 AC_DEFINE_UNQUOTED([USE_ED25519], [1], [Define this to enable ED25519 support.])
1196 AC_ARG_ENABLE(ed448, AC_HELP_STRING([--disable-ed448], [Disable ED448 support]))
1198 case "$enable_ed448" in
1202 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1203 AC_CHECK_DECLS([NID_ED448], [
1205 ], [ if test "x$enable_ed448" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support ED448 and you used --enable-ed448.])
1206 fi ], [AC_INCLUDES_DEFAULT
1207 #include <openssl/evp.h>
1210 if test $use_ed448 = "yes"; then
1211 AC_DEFINE_UNQUOTED([USE_ED448], [1], [Define this to enable ED448 support.])
1216 AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) pluggable event base libunbound API installed to unbound-event.h]))
1217 case "$enable_event_api" in
1219 AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
1220 AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
1226 AC_ARG_ENABLE(tfo-client, AC_HELP_STRING([--enable-tfo-client], [Enable TCP Fast Open for client mode]))
1227 case "$enable_tfo_client" in
1230 Linux) AC_CHECK_DECL([MSG_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
1231 [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
1232 [AC_INCLUDES_DEFAULT
1233 #include <netinet/tcp.h>
1235 AC_DEFINE_UNQUOTED([USE_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
1237 Darwin) AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
1238 [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
1239 [AC_INCLUDES_DEFAULT
1240 #include <sys/socket.h>
1242 AC_DEFINE_UNQUOTED([USE_OSX_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
1250 AC_ARG_ENABLE(tfo-server, AC_HELP_STRING([--enable-tfo-server], [Enable TCP Fast Open for server mode]))
1251 case "$enable_tfo_server" in
1253 AC_CHECK_DECL([TCP_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support server mode TFO])], [AC_MSG_ERROR([TCP Fast Open is not available for server mode: please rerun without --enable-tfo-server])], [AC_INCLUDES_DEFAULT
1254 #include <netinet/tcp.h>
1256 AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable server TCP Fast Open.])
1262 # check for libevent
1263 AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
1264 [use libevent (will check /usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr or you can specify an explicit path). Slower, but allows use of large outgoing port ranges.]),
1265 [ ],[ with_libevent="no" ])
1266 if test "x_$with_libevent" != x_no; then
1267 AC_DEFINE([USE_LIBEVENT], [1], [Define if you enable libevent])
1268 AC_MSG_CHECKING(for libevent)
1269 if test "x_$with_libevent" = x_ -o "x_$with_libevent" = x_yes; then
1270 with_libevent="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1272 for dir in $with_libevent; do
1274 if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
1275 found_libevent="yes"
1276 dnl assume /usr is in default path.
1277 if test "$thedir" != "/usr"; then
1278 CPPFLAGS="$CPPFLAGS -I$thedir/include"
1283 if test x_$found_libevent != x_yes; then
1284 if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
1285 # libevent source directory
1286 AC_MSG_RESULT(found in $thedir)
1287 CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
1289 BAK_LDFLAGS="$LDFLAGS"
1290 # remove evdns from linking
1291 mkdir build >/dev/null 2>&1
1292 mkdir build/libevent >/dev/null 2>&1
1293 mkdir build/libevent/.libs >/dev/null 2>&1
1294 ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1295 ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
1296 ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1297 cp $ev_files_o build/libevent
1298 cp $ev_files_lo build/libevent
1299 cp $ev_files_libso build/libevent/.libs
1300 LATE_LDFLAGS="build/libevent/*.lo -lm"
1301 LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
1303 AC_MSG_ERROR([Cannot find the libevent library in $with_libevent
1304 You can restart ./configure --with-libevent=no to use a builtin alternative.
1305 Please note that this alternative is not as capable as libevent when using
1306 large outgoing port ranges. ])
1309 AC_MSG_RESULT(found in $thedir)
1310 dnl if event2 exists and no event lib in dir itself, use subdir
1311 if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
1312 LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
1313 ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
1315 dnl assume /usr is in default path, do not add "".
1316 if test "$thedir" != "/usr" -a "$thedir" != ""; then
1317 LDFLAGS="$LDFLAGS -L$thedir/lib"
1318 ACX_RUNTIME_PATH_ADD([$thedir/lib])
1322 # check for library used by libevent after 1.3c
1323 AC_SEARCH_LIBS([clock_gettime], [rt])
1325 # is the event.h header libev or libevent?
1326 AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
1327 AC_CHECK_DECL(EV_VERSION_MAJOR, [
1328 AC_SEARCH_LIBS(event_set, [ev])
1330 AC_SEARCH_LIBS(event_set, [event])
1331 ],[AC_INCLUDES_DEFAULT
1334 AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
1335 AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
1336 AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
1337 AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
1338 AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
1339 AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
1340 AC_CHECK_FUNCS([event_assign]) # in libevent, for thread-safety
1341 AC_CHECK_DECLS([evsignal_assign], [], [], [AC_INCLUDES_DEFAULT
1345 # include "event2/event.h"
1348 PC_LIBEVENT_DEPENDENCY="libevent"
1349 AC_SUBST(PC_LIBEVENT_DEPENDENCY)
1350 if test -n "$BAK_LDFLAGS_SET"; then
1351 LDFLAGS="$BAK_LDFLAGS"
1354 AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
1357 # check for libexpat
1358 AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
1359 [specify explicit path for libexpat.]),
1360 [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
1361 AC_MSG_CHECKING(for libexpat)
1363 for dir in $withval ; do
1364 if test -f "$dir/include/expat.h"; then
1365 found_libexpat="yes"
1366 dnl assume /usr is in default path.
1367 if test "$dir" != "/usr"; then
1368 CPPFLAGS="$CPPFLAGS -I$dir/include"
1369 LDFLAGS="$LDFLAGS -L$dir/lib"
1371 AC_MSG_RESULT(found in $dir)
1375 if test x_$found_libexpat != x_yes; then
1376 AC_ERROR([Could not find libexpat, expat.h])
1378 AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
1379 AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
1383 # hiredis (redis C client for cachedb)
1384 AC_ARG_WITH(libhiredis, AC_HELP_STRING([--with-libhiredis=path],
1385 [specify explicit path for libhiredis.]),
1386 [ ],[ withval="no" ])
1387 found_libhiredis="no"
1388 if test x_$withval = x_yes -o x_$withval != x_no; then
1389 AC_MSG_CHECKING(for libhiredis)
1390 if test x_$withval = x_ -o x_$withval = x_yes; then
1391 withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1393 for dir in $withval ; do
1394 if test -f "$dir/include/hiredis/hiredis.h"; then
1395 found_libhiredis="yes"
1396 dnl assume /usr is in default path.
1397 if test "$dir" != "/usr"; then
1398 CPPFLAGS="$CPPFLAGS -I$dir/include"
1399 LDFLAGS="$LDFLAGS -L$dir/lib"
1401 AC_MSG_RESULT(found in $dir)
1402 AC_DEFINE([USE_REDIS], [1], [Define this to use hiredis client.])
1403 LIBS="$LIBS -lhiredis"
1407 if test x_$found_libhiredis != x_yes; then
1408 AC_ERROR([Could not find libhiredis, hiredis.h])
1410 AC_CHECK_HEADERS([hiredis/hiredis.h],,, [AC_INCLUDES_DEFAULT])
1411 AC_CHECK_DECLS([redisConnect], [], [], [AC_INCLUDES_DEFAULT
1412 #include <hiredis/hiredis.h>
1417 AC_ARG_WITH(libnghttp2, AC_HELP_STRING([--with-libnghttp2=path],
1418 [specify explicit path for libnghttp2.]),
1419 [ ],[ withval="no" ])
1420 found_libnghttp2="no"
1421 if test x_$withval = x_yes -o x_$withval != x_no; then
1422 AC_MSG_CHECKING(for libnghttp2)
1423 if test x_$withval = x_ -o x_$withval = x_yes; then
1424 withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1426 for dir in $withval ; do
1427 if test -f "$dir/include/nghttp2/nghttp2.h"; then
1428 found_libnghttp2="yes"
1429 dnl assume /usr is in default path.
1430 if test "$dir" != "/usr"; then
1431 CPPFLAGS="$CPPFLAGS -I$dir/include"
1432 LDFLAGS="$LDFLAGS -L$dir/lib"
1434 AC_MSG_RESULT(found in $dir)
1435 AC_DEFINE([HAVE_NGHTTP2], [1], [Define this to use nghttp2 client.])
1436 LIBS="$LIBS -lnghttp2"
1440 if test x_$found_libnghttp2 != x_yes; then
1441 AC_ERROR([Could not find libnghttp2, nghttp2.h])
1443 AC_CHECK_HEADERS([nghttp2/nghttp2.h],,, [AC_INCLUDES_DEFAULT])
1444 AC_CHECK_DECLS([nghttp2_session_server_new], [], [], [AC_INCLUDES_DEFAULT
1445 #include <nghttp2/nghttp2.h>
1449 # set static linking for uninstalled libraries if requested
1452 AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
1453 [ enable to compile executables statically against (event) uninstalled libs, for debug purposes ]),
1455 if test x_$enable_static_exe = x_yes; then
1457 if test "$on_mingw" = yes; then
1458 staticexe="-all-static"
1459 # for static compile, include gdi32 and zlib here.
1460 if echo $LIBS | grep 'lgdi32' >/dev/null; then
1463 LIBS="$LIBS -lgdi32"
1469 # set full static linking if requested
1470 AC_ARG_ENABLE(fully-static, AC_HELP_STRING([--enable-fully-static],
1471 [ enable to compile fully static ]),
1473 if test x_$enable_fully_static = x_yes; then
1474 staticexe="-all-static"
1475 if test "$on_mingw" = yes; then
1476 # for static compile, include gdi32 and zlib here.
1477 if echo $LIBS | grep 'lgdi32' >/dev/null; then
1480 LIBS="$LIBS -lgdi32"
1486 # set lock checking if requested
1487 AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
1488 [ enable to check lock and unlock calls, for debug purposes ]),
1490 if test x_$enable_lock_checks = x_yes; then
1491 AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
1492 CHECKLOCK_OBJ="checklocks.lo"
1493 AC_SUBST(CHECKLOCK_OBJ)
1496 ACX_CHECK_GETADDRINFO_WITH_INCLUDES
1497 if test "$USE_WINSOCK" = 1; then
1498 AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
1499 AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
1500 #include <windows.h>
1502 AC_CHECK_TOOL(WINDRES, windres)
1503 LIBS="$LIBS -liphlpapi -lcrypt32"
1504 WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
1506 WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
1507 AC_SUBST(WIN_DAEMON_SRC)
1508 WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
1509 AC_SUBST(WIN_DAEMON_OBJ)
1510 WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
1511 AC_SUBST(WIN_DAEMON_OBJ_LINK)
1512 WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
1513 AC_SUBST(WIN_HOST_OBJ_LINK)
1514 WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
1515 AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
1516 WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
1517 AC_SUBST(WIN_CONTROL_OBJ_LINK)
1518 WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
1519 AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
1521 if test $ac_cv_func_getaddrinfo = no; then
1522 AC_LIBOBJ([fake-rfc2553])
1524 # check after getaddrinfo for its libraries
1525 ACX_FUNC_IOCTLSOCKET
1527 # see if daemon(3) exists, and if it is deprecated.
1528 AC_CHECK_FUNCS([daemon])
1529 if test $ac_cv_func_daemon = yes; then
1530 ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
1535 AC_CHECK_MEMBERS([struct sockaddr_un.sun_len],,,[
1537 #ifdef HAVE_SYS_UN_H
1541 AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
1543 #if HAVE_SYS_PARAM_H
1544 #include <sys/param.h>
1547 #ifdef HAVE_SYS_SOCKET_H
1548 #include <sys/socket.h>
1551 #ifdef HAVE_SYS_UIO_H
1552 #include <sys/uio.h>
1555 #ifdef HAVE_NETINET_IN_H
1556 #include <netinet/in.h>
1559 #ifdef HAVE_NETINET_TCP_H
1560 #include <netinet/tcp.h>
1563 #ifdef HAVE_ARPA_INET_H
1564 #include <arpa/inet.h>
1567 #ifdef HAVE_WINSOCK2_H
1568 #include <winsock2.h>
1571 #ifdef HAVE_WS2TCPIP_H
1572 #include <ws2tcpip.h>
1576 AC_MSG_CHECKING([for htobe64])
1577 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1579 #ifdef HAVE_ENDIAN_H
1580 # include <endian.h>
1582 #ifdef HAVE_SYS_ENDIAN_H
1583 # include <sys/endian.h>
1585 ], [unsigned long long x = htobe64(0); printf("%u", (unsigned)x);])],
1587 AC_DEFINE(HAVE_HTOBE64, 1, [If we have htobe64]),
1590 AC_MSG_CHECKING([for be64toh])
1591 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1593 #ifdef HAVE_ENDIAN_H
1594 # include <endian.h>
1596 #ifdef HAVE_SYS_ENDIAN_H
1597 # include <sys/endian.h>
1599 ], [unsigned long long x = be64toh(0); printf("%u", (unsigned)x);])],
1601 AC_DEFINE(HAVE_BE64TOH, 1, [If we have be64toh]),
1604 AC_SEARCH_LIBS([setusercontext], [util])
1605 AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam endpwent getrlimit setrlimit setsid chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent fsync shmget accept4 getifaddrs])
1606 AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
1607 AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
1609 # check if setreuid en setregid fail, on MacOSX10.4(darwin8).
1610 if echo $target_os | grep darwin8 > /dev/null; then
1611 AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
1613 AC_CHECK_DECLS([inet_pton,inet_ntop], [], [], [
1615 #ifdef HAVE_NETINET_IN_H
1616 #include <netinet/in.h>
1619 #ifdef HAVE_NETINET_TCP_H
1620 #include <netinet/tcp.h>
1623 #ifdef HAVE_ARPA_INET_H
1624 #include <arpa/inet.h>
1627 #ifdef HAVE_WINSOCK2_H
1628 #include <winsock2.h>
1631 #ifdef HAVE_WS2TCPIP_H
1632 #include <ws2tcpip.h>
1635 AC_REPLACE_FUNCS(inet_aton)
1636 AC_REPLACE_FUNCS(inet_pton)
1637 AC_REPLACE_FUNCS(inet_ntop)
1638 AC_REPLACE_FUNCS(snprintf)
1639 # test if snprintf return the proper length
1640 if test "x$ac_cv_func_snprintf" = xyes; then
1641 if test c${cross_compiling} = cno; then
1642 AC_MSG_CHECKING([for correct snprintf return value])
1643 AC_RUN_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1645 int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
1646 ]])], [AC_MSG_RESULT(yes)], [
1648 AC_DEFINE([SNPRINTF_RET_BROKEN], [], [define if (v)snprintf does not return length needed, (but length used)])
1653 AC_REPLACE_FUNCS(strlcat)
1654 AC_REPLACE_FUNCS(strlcpy)
1655 AC_REPLACE_FUNCS(memmove)
1656 AC_REPLACE_FUNCS(gmtime_r)
1657 AC_REPLACE_FUNCS(isblank)
1658 AC_REPLACE_FUNCS(explicit_bzero)
1659 dnl without CTIME, ARC4-functions and without reallocarray.
1660 LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
1661 AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
1662 AC_MSG_CHECKING([for reallocarray])
1663 AC_LINK_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1665 #ifndef _OPENBSD_SOURCE
1666 #define _OPENBSD_SOURCE 1
1670 void* p = reallocarray(NULL, 10, 100);
1674 ]])], [AC_MSG_RESULT(yes)
1675 AC_DEFINE(HAVE_REALLOCARRAY, 1, [If we have reallocarray(3)])
1678 AC_LIBOBJ(reallocarray)
1680 AC_CHECK_DECLS([reallocarray])
1681 if test "$USE_NSS" = "no"; then
1682 AC_REPLACE_FUNCS(arc4random)
1683 AC_REPLACE_FUNCS(arc4random_uniform)
1684 if test "$ac_cv_func_arc4random" = "no"; then
1685 AC_LIBOBJ(arc4_lock)
1686 AC_CHECK_FUNCS([getentropy],,[
1687 if test "$USE_WINSOCK" = 1; then
1688 AC_LIBOBJ(getentropy_win)
1692 AC_LIBOBJ(getentropy_osx)
1694 *solaris*|*sunos*|SunOS)
1695 AC_LIBOBJ(getentropy_solaris)
1696 AC_CHECK_HEADERS([sys/sha2.h],, [
1697 AC_CHECK_FUNCS([SHA512_Update],,[
1700 ], [AC_INCLUDES_DEFAULT])
1701 if test "$ac_cv_header_sys_sha2_h" = "yes"; then
1702 # this lib needed for sha2 on solaris
1705 AC_SEARCH_LIBS([clock_gettime], [rt])
1708 AC_LIBOBJ(getentropy_freebsd)
1711 AC_LIBOBJ(getentropy_linux)
1712 AC_CHECK_FUNCS([SHA512_Update],,[
1713 AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
1716 AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
1717 AC_CHECK_FUNCS([getauxval])
1718 AC_SEARCH_LIBS([clock_gettime], [rt])
1725 LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
1726 AC_SUBST(LIBOBJ_WITHOUT_CTIME)
1727 AC_REPLACE_FUNCS(ctime_r)
1728 AC_REPLACE_FUNCS(strsep)
1730 AC_ARG_ENABLE(allsymbols, AC_HELP_STRING([--enable-allsymbols], [export all symbols from libunbound and link binaries to it, smaller install size but libunbound export table is polluted by internal symbols]))
1731 case "$enable_allsymbols" in
1733 COMMON_OBJ_ALL_SYMBOLS=""
1735 EXTRALINK="-L. -L.libs -lunbound"
1736 AC_DEFINE(EXPORT_ALL_SYMBOLS, 1, [Define this if you enabled-allsymbols from libunbound to link binaries to it for smaller install size, but the libunbound export table is polluted by internal symbols])
1739 COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
1740 UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
1744 AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
1747 if test x_$enable_lock_checks = x_yes; then
1748 UBSYMS="-export-symbols clubsyms.def"
1749 cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
1750 echo lock_protect >> clubsyms.def
1751 echo lock_unprotect >> clubsyms.def
1752 echo lock_get_mem >> clubsyms.def
1753 echo checklock_start >> clubsyms.def
1754 echo checklock_stop >> clubsyms.def
1755 echo checklock_lock >> clubsyms.def
1756 echo checklock_unlock >> clubsyms.def
1757 echo checklock_init >> clubsyms.def
1758 echo checklock_thrcreate >> clubsyms.def
1759 echo checklock_thrjoin >> clubsyms.def
1762 # check for dnstap if requested
1763 dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
1765 AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support])
1766 AC_SUBST([ENABLE_DNSTAP], [1])
1768 AC_SUBST([opt_dnstap_socket_path])
1769 ACX_ESCAPE_BACKSLASH($opt_dnstap_socket_path, hdr_dnstap_socket_path)
1770 AC_DEFINE_UNQUOTED(DNSTAP_SOCKET_PATH,
1771 ["$hdr_dnstap_socket_path"], [default dnstap socket path])
1772 AC_SUBST(DNSTAP_SOCKET_PATH,["$hdr_dnstap_socket_path"])
1774 AC_SUBST([DNSTAP_SRC], ["dnstap/dnstap.c dnstap/dnstap.pb-c.c dnstap/dnstap_fstrm.c dnstap/dtstream.c"])
1775 AC_SUBST([DNSTAP_OBJ], ["dnstap.lo dnstap.pb-c.lo dnstap_fstrm.lo dtstream.lo"])
1778 AC_SUBST([ENABLE_DNSTAP], [0])
1782 # check for dnscrypt if requested
1784 AC_DEFINE([USE_DNSCRYPT], [1], [Define to 1 to enable dnscrypt support])
1785 AC_SUBST([ENABLE_DNSCRYPT], [1])
1787 AC_SUBST([DNSCRYPT_SRC], ["dnscrypt/dnscrypt.c"])
1788 AC_SUBST([DNSCRYPT_OBJ], ["dnscrypt.lo"])
1791 AC_SUBST([ENABLE_DNSCRYPT], [0])
1795 # check for cachedb if requested
1796 AC_ARG_ENABLE(cachedb, AC_HELP_STRING([--enable-cachedb], [enable cachedb module that can use external cache storage]))
1797 # turn on cachedb when hiredis support is enabled.
1798 if test "$found_libhiredis" = "yes"; then enable_cachedb="yes"; fi
1799 case "$enable_cachedb" in
1801 AC_DEFINE([USE_CACHEDB], [1], [Define to 1 to use cachedb support])
1808 # check for ipsecmod if requested
1809 AC_ARG_ENABLE(ipsecmod, AC_HELP_STRING([--enable-ipsecmod], [Enable ipsecmod module that facilitates opportunistic IPsec]))
1810 case "$enable_ipsecmod" in
1812 AC_DEFINE([USE_IPSECMOD], [1], [Define to 1 to use ipsecmod support.])
1813 IPSECMOD_OBJ="ipsecmod.lo ipsecmod-whitelist.lo"
1814 AC_SUBST(IPSECMOD_OBJ)
1815 IPSECMOD_HEADER='$(srcdir)/ipsecmod/ipsecmod.h $(srcdir)/ipsecmod/ipsecmod-whitelist.h'
1816 AC_SUBST(IPSECMOD_HEADER)
1823 # check for ipset if requested
1824 AC_ARG_ENABLE(ipset, AC_HELP_STRING([--enable-ipset], [enable ipset module]))
1825 case "$enable_ipset" in
1827 AC_DEFINE([USE_IPSET], [1], [Define to 1 to use ipset support])
1828 IPSET_SRC="ipset/ipset.c"
1830 IPSET_OBJ="ipset.lo"
1834 AC_ARG_WITH(libmnl, AC_HELP_STRING([--with-libmnl=path],
1835 [specify explicit path for libmnl.]),
1836 [ ],[ withval="yes" ])
1838 AC_MSG_CHECKING(for libmnl)
1839 if test x_$withval = x_ -o x_$withval = x_yes; then
1840 withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1842 for dir in $withval ; do
1843 if test -f "$dir/include/libmnl/libmnl.h"; then
1845 dnl assume /usr is in default path.
1846 if test "$dir" != "/usr"; then
1847 CPPFLAGS="$CPPFLAGS -I$dir/include"
1848 LDFLAGS="$LDFLAGS -L$dir/lib"
1850 AC_MSG_RESULT(found in $dir)
1855 if test x_$found_libmnl != x_yes; then
1856 AC_ERROR([Could not find libmnl, libmnl.h])
1863 AC_ARG_ENABLE(explicit-port-randomisation, AC_HELP_STRING([--disable-explicit-port-randomisation], [disable explicit source port randomisation and rely on the kernel to provide random source ports]))
1864 case "$enable_explicit_port_randomisation" in
1866 AC_DEFINE([DISABLE_EXPLICIT_PORT_RANDOMISATION], [1], [Define this to enable kernel based UDP source port randomization.])
1873 AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
1874 # on openBSD, the implicit rule make $< work.
1875 # on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
1877 cat >conftest.make <<EOF
1880 conftest.lo foo.lo bla.lo:
1881 if test -f "\$<"; then touch \$@; fi
1885 if test -f "\$<"; then touch \$@; fi
1887 conftest.lo: conftest.dir/conftest.c
1890 touch conftest.dir/conftest.c
1891 rm -f conftest.lo conftest.c
1892 ${MAKE:-make} -f conftest.make >/dev/null
1893 rm -f conftest.make conftest.c conftest.dir/conftest.c
1895 if test ! -f conftest.lo; then
1897 SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
1898 SOURCEFILE='`cat .source`'
1905 AC_SUBST(SOURCEDETERMINE)
1906 AC_SUBST(SOURCEFILE)
1908 # see if we want to build the library or everything
1909 ALLTARGET="alltargets"
1910 INSTALLTARGET="install-all"
1911 AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
1912 [do not build daemon and tool programs]),
1914 if test "$withval" = "yes"; then
1916 INSTALLTARGET="install-lib"
1919 if test $ALLTARGET = "alltargets"; then
1920 if test $USE_NSS = "yes"; then
1921 AC_ERROR([--with-nss can only be used in combination with --with-libunbound-only.])
1923 if test $USE_NETTLE = "yes"; then
1924 AC_ERROR([--with-nettle can only be used in combination with --with-libunbound-only.])
1929 AC_SUBST(INSTALLTARGET)
1932 if test -n "$LATE_LDFLAGS"; then
1933 LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
1935 # remove start spaces
1936 LDFLAGS=`echo "$LDFLAGS"|sed -e 's/^ *//'`
1937 LIBS=`echo "$LIBS"|sed -e 's/^ *//'`
1939 AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
1942 dnl this must be first AH_CONFIG, to define the flags before any includes.
1943 AHX_CONFIG_EXT_FLAGS
1947 #ifndef _OPENBSD_SOURCE
1948 #define _OPENBSD_SOURCE 1
1951 #ifndef UNBOUND_DEBUG
1957 /** Use small-ldns codebase */
1960 # define LDNS_BUILD_CONFIG_HAVE_SSL 1
1973 #ifdef HAVE_STDARG_H
1977 #ifdef HAVE_STDINT_H
1983 #if HAVE_SYS_PARAM_H
1984 #include <sys/param.h>
1987 #ifdef HAVE_SYS_SOCKET_H
1988 #include <sys/socket.h>
1991 #ifdef HAVE_SYS_UIO_H
1992 #include <sys/uio.h>
1995 #ifdef HAVE_NETINET_IN_H
1996 #include <netinet/in.h>
1999 #ifdef HAVE_NETINET_TCP_H
2000 #include <netinet/tcp.h>
2003 #ifdef HAVE_ARPA_INET_H
2004 #include <arpa/inet.h>
2007 #ifdef HAVE_WINSOCK2_H
2008 #include <winsock2.h>
2011 #ifdef HAVE_WS2TCPIP_H
2012 #include <ws2tcpip.h>
2016 #define ARG_LL "%ll"
2018 #define ARG_LL "%I64"
2022 #define AF_LOCAL AF_UNIX
2026 AHX_CONFIG_FORMAT_ATTRIBUTE
2027 AHX_CONFIG_UNUSED_ATTRIBUTE
2029 AHX_CONFIG_MAXHOSTNAMELEN
2030 #if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
2031 #define snprintf snprintf_unbound
2032 #define vsnprintf vsnprintf_unbound
2034 int snprintf (char *str, size_t count, const char *fmt, ...);
2035 int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
2036 #endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
2037 AHX_CONFIG_INET_PTON(unbound)
2038 AHX_CONFIG_INET_NTOP(unbound)
2039 AHX_CONFIG_INET_ATON(unbound)
2040 AHX_CONFIG_MEMMOVE(unbound)
2041 AHX_CONFIG_STRLCAT(unbound)
2042 AHX_CONFIG_STRLCPY(unbound)
2043 AHX_CONFIG_GMTIME_R(unbound)
2044 AHX_CONFIG_REALLOCARRAY(unbound)
2045 AHX_CONFIG_W32_SLEEP
2046 AHX_CONFIG_W32_USLEEP
2047 AHX_CONFIG_W32_RANDOM
2048 AHX_CONFIG_W32_SRANDOM
2049 AHX_CONFIG_W32_FD_SET_T
2050 AHX_CONFIG_IPV6_MIN_MTU
2051 AHX_MEMCMP_BROKEN(unbound)
2054 #ifndef HAVE_CTIME_R
2055 #define ctime_r unbound_ctime_r
2056 char *ctime_r(const time_t *timep, char *buf);
2060 #define strsep unbound_strsep
2061 char *strsep(char **stringp, const char *delim);
2064 #ifndef HAVE_ISBLANK
2065 #define isblank unbound_isblank
2069 #ifndef HAVE_EXPLICIT_BZERO
2070 #define explicit_bzero unbound_explicit_bzero
2071 void explicit_bzero(void* buf, size_t len);
2074 #if defined(HAVE_INET_NTOP) && !HAVE_DECL_INET_NTOP
2075 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
2078 #if defined(HAVE_INET_PTON) && !HAVE_DECL_INET_PTON
2079 int inet_pton(int af, const char* src, void* dst);
2082 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
2083 #define strptime unbound_strptime
2085 char *strptime(const char *s, const char *format, struct tm *tm);
2088 #if !HAVE_DECL_REALLOCARRAY
2089 void *reallocarray(void *ptr, size_t nmemb, size_t size);
2093 #include <bsd/string.h>
2094 #include <bsd/stdlib.h>
2097 #ifdef HAVE_LIBRESSL
2098 # if !HAVE_DECL_STRLCPY
2099 size_t strlcpy(char *dst, const char *src, size_t siz);
2101 # if !HAVE_DECL_STRLCAT
2102 size_t strlcat(char *dst, const char *src, size_t siz);
2104 # if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
2105 uint32_t arc4random(void);
2107 # if !HAVE_DECL_ARC4RANDOM_UNIFORM && defined(HAVE_ARC4RANDOM_UNIFORM)
2108 uint32_t arc4random_uniform(uint32_t upper_bound);
2110 #endif /* HAVE_LIBRESSL */
2111 #ifndef HAVE_ARC4RANDOM
2112 int getentropy(void* buf, size_t len);
2113 uint32_t arc4random(void);
2114 void arc4random_buf(void* buf, size_t n);
2115 void _ARC4_LOCK(void);
2116 void _ARC4_UNLOCK(void);
2117 void _ARC4_LOCK_DESTROY(void);
2119 #ifndef HAVE_ARC4RANDOM_UNIFORM
2120 uint32_t arc4random_uniform(uint32_t upper_bound);
2122 #ifdef COMPAT_SHA512
2123 #ifndef SHA512_DIGEST_LENGTH
2124 #define SHA512_BLOCK_LENGTH 128
2125 #define SHA512_DIGEST_LENGTH 64
2126 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
2127 typedef struct _SHA512_CTX {
2129 uint64_t bitcount[2];
2130 uint8_t buffer[SHA512_BLOCK_LENGTH];
2132 #endif /* SHA512_DIGEST_LENGTH */
2133 void SHA512_Init(SHA512_CTX*);
2134 void SHA512_Update(SHA512_CTX*, void*, size_t);
2135 void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
2136 unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
2137 #endif /* COMPAT_SHA512 */
2141 #if defined(HAVE_EVENT_H) && !defined(HAVE_EVENT_BASE_ONCE) && !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) && (defined(HAVE_PTHREAD) || defined(HAVE_SOLARIS_THREADS))
2142 /* using version of libevent that is not threadsafe. */
2143 # define LIBEVENT_SIGNAL_PROBLEM 1
2146 #ifndef CHECKED_INET6
2147 # define CHECKED_INET6
2151 # define AF_INET6 28
2153 #endif /* CHECKED_INET6 */
2155 #ifndef HAVE_GETADDRINFO
2156 struct sockaddr_storage;
2157 #include "compat/fake-rfc2553.h"
2160 #ifdef UNBOUND_ALLOC_STATS
2161 # define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
2162 # define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
2163 # define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
2164 # define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
2165 void *unbound_stat_malloc(size_t size);
2166 void *unbound_stat_calloc(size_t nmemb, size_t size);
2167 void unbound_stat_free(void *ptr);
2168 void *unbound_stat_realloc(void *ptr, size_t size);
2169 void *unbound_stat_malloc_log(size_t size, const char* file, int line,
2171 void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
2172 int line, const char* func);
2173 void unbound_stat_free_log(void *ptr, const char* file, int line,
2175 void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
2176 int line, const char* func);
2177 #elif defined(UNBOUND_ALLOC_LITE)
2178 # include "util/alloc.h"
2179 #endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
2181 /** default port for DNS traffic. */
2182 #define UNBOUND_DNS_PORT 53
2183 /** default port for DNS over TLS traffic. */
2184 #define UNBOUND_DNS_OVER_TLS_PORT 853
2185 /** default port for DNS over HTTPS traffic. */
2186 #define UNBOUND_DNS_OVER_HTTPS_PORT 443
2187 /** default port for unbound control traffic, registered port with IANA,
2188 ub-dns-control 8953/tcp unbound dns nameserver control */
2189 #define UNBOUND_CONTROL_PORT 8953
2190 /** the version of unbound-control that this software implements */
2191 #define UNBOUND_CONTROL_VERSION 1
2195 dnl if we build from source tree, the man pages need @date@ and @version@
2196 dnl if this is a distro tarball, that was already done by makedist.sh
2197 AC_SUBST(version, [VERSION_MAJOR.VERSION_MINOR.VERSION_MICRO])
2198 AC_SUBST(date, [`date +'%b %e, %Y'`])
2200 AC_CONFIG_FILES([Makefile doc/example.conf doc/libunbound.3 doc/unbound.8 doc/unbound-anchor.8 doc/unbound-checkconf.8 doc/unbound.conf.5 doc/unbound-control.8 doc/unbound-host.1 smallapp/unbound-control-setup.sh dnstap/dnstap_config.h dnscrypt/dnscrypt_config.h contrib/libunbound.pc contrib/unbound.socket contrib/unbound.service contrib/unbound_portable.service])
2201 AC_CONFIG_HEADER([config.h])