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],[12])
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=10
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
100 # Current -- the number of the binary API that we're implementing
101 # Revision -- which iteration of the implementation of the binary
102 # API are we supplying?
103 # Age -- How many previous binary API versions do we also
106 # If we release a new version that does not change the binary API,
107 # increment Revision.
109 # If we release a new version that changes the binary API, but does
110 # not break programs compiled against the old binary API, increment
111 # Current and Age. Set Revision to 0, since this is the first
112 # implementation of the new API.
114 # Otherwise, we're changing the binary API and breaking backward
115 # compatibility with old binaries. Increment Current. Set Age to 0,
116 # since we're backward compatible with no previous APIs. Set Revision
118 AC_SUBST(LIBUNBOUND_CURRENT)
119 AC_SUBST(LIBUNBOUND_REVISION)
120 AC_SUBST(LIBUNBOUND_AGE)
123 cmdln="`echo $@ | sed -e 's/\\\\/\\\\\\\\/g' | sed -e 's/"/\\\\"/'g`"
124 AC_DEFINE_UNQUOTED(CONFCMDLINE, ["$cmdln"], [Command line arguments used with configure])
128 if test "$ac_cv_header_minix_config_h" = "yes"; then
129 AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
133 dnl By default set prefix to /usr/local
140 case "$exec_prefix" in
142 exec_prefix="$prefix"
147 if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
149 if echo $host $target | grep mingw32 >/dev/null; then on_mingw="yes"
150 else on_mingw="no"; fi
154 # Determine configuration file
155 # the eval is to evaluate shell expansion twice
156 UNBOUND_SBIN_DIR=`eval echo "${sbindir}"`
157 AC_SUBST(UNBOUND_SBIN_DIR)
158 UNBOUND_SYSCONF_DIR=`eval echo "${sysconfdir}"`
159 AC_SUBST(UNBOUND_SYSCONF_DIR)
160 UNBOUND_LOCALSTATE_DIR=`eval echo "${localstatedir}"`
161 AC_SUBST(UNBOUND_LOCALSTATE_DIR)
162 if test $on_mingw = "no"; then
163 ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
165 ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
167 AC_ARG_WITH([conf_file],
168 AC_HELP_STRING([--with-conf-file=path],
169 [Pathname to the Unbound configuration file]),
170 [ub_conf_file="$withval"])
171 AC_SUBST(ub_conf_file)
172 ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
173 AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
174 ub_conf_dir=`AS_DIRNAME(["$ub_conf_file"])`
175 AC_SUBST(ub_conf_dir)
177 # Determine run, chroot directory and pidfile locations
179 AC_HELP_STRING([--with-run-dir=path],
180 [set default directory to chdir to (by default dir part of cfg file)]),
181 UNBOUND_RUN_DIR="$withval",
182 if test $on_mingw = no; then
183 UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
188 AC_SUBST(UNBOUND_RUN_DIR)
189 ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
190 AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
192 AC_ARG_WITH(chroot-dir,
193 AC_HELP_STRING([--with-chroot-dir=path],
194 [set default directory to chroot to (by default same as run-dir)]),
195 UNBOUND_CHROOT_DIR="$withval",
196 if test $on_mingw = no; then
197 UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
199 UNBOUND_CHROOT_DIR=""
202 AC_SUBST(UNBOUND_CHROOT_DIR)
203 ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
204 AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
206 AC_ARG_WITH(share-dir,
207 AC_HELP_STRING([--with-share-dir=path],
208 [set default directory with shared data (by default same as share/unbound)]),
209 UNBOUND_SHARE_DIR="$withval",
210 UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
211 AC_SUBST(UNBOUND_SHARE_DIR)
212 AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
215 AC_HELP_STRING([--with-pidfile=filename],
216 [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
217 UNBOUND_PIDFILE="$withval",
218 if test $on_mingw = no; then
219 UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
224 AC_SUBST(UNBOUND_PIDFILE)
225 ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
226 AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
228 AC_ARG_WITH(rootkey-file,
229 AC_HELP_STRING([--with-rootkey-file=filename],
230 [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
231 UNBOUND_ROOTKEY_FILE="$withval",
232 if test $on_mingw = no; then
233 UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
235 UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
238 AC_SUBST(UNBOUND_ROOTKEY_FILE)
239 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
240 AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
242 AC_ARG_WITH(rootcert-file,
243 AC_HELP_STRING([--with-rootcert-file=filename],
244 [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.]),
245 UNBOUND_ROOTCERT_FILE="$withval",
246 if test $on_mingw = no; then
247 UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
249 UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
252 AC_SUBST(UNBOUND_ROOTCERT_FILE)
253 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
254 AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
256 AC_ARG_WITH(username,
257 AC_HELP_STRING([--with-username=user],
258 [set default user that unbound changes to (default user is unbound)]),
259 UNBOUND_USERNAME="$withval",
260 UNBOUND_USERNAME="unbound")
261 AC_SUBST(UNBOUND_USERNAME)
262 AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
264 AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
265 ACX_RSRC_VERSION(wnvs)
266 AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
268 # Checks for typedefs, structures, and compiler characteristics.
271 # allow user to override the -g -O2 flags.
273 if test "x$CFLAGS" = "x" ; then
274 ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
275 ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
280 ACX_DETERMINE_EXT_FLAGS_UNBOUND
282 # debug mode flags warnings
283 AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
284 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
285 if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
286 else debug_enabled="$enable_checking"; fi
287 AC_SUBST(debug_enabled)
288 case "$debug_enabled" in
290 ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
291 ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
292 ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
293 ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
294 AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
300 if test "$default_cflags" = "yes"; then
301 # only when CFLAGS was "" at the start, if the users wants to
302 # override we shouldn't add default cflags, because they wouldn't
303 # be able to turn off these options and set the CFLAGS wanted.
310 ACX_CHECK_FORMAT_ATTRIBUTE
311 ACX_CHECK_UNUSED_ATTRIBUTE
313 AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
314 [AC_REQUIRE([AC_PROG_CC])
315 AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "weak" attribute)
316 AC_CACHE_VAL(ac_cv_c_weak_attribute,
317 [ac_cv_c_weak_attribute=no
320 __attribute__((weak)) void f(int x) { printf("%d", x); }
324 [ac_cv_c_weak_attribute="yes"],
325 [ac_cv_c_weak_attribute="no"])
328 AC_MSG_RESULT($ac_cv_c_weak_attribute)
329 if test $ac_cv_c_weak_attribute = yes; then
330 AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
331 AC_DEFINE(ATTR_WEAK, [__attribute__((weak))], [apply the weak attribute to a symbol])
333 ])dnl End of CHECK_WEAK_ATTRIBUTE
337 AC_DEFUN([CHECK_NORETURN_ATTRIBUTE],
338 [AC_REQUIRE([AC_PROG_CC])
339 AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "noreturn" attribute)
340 AC_CACHE_VAL(ac_cv_c_noreturn_attribute,
341 [ac_cv_c_noreturn_attribute=no
344 __attribute__((noreturn)) void f(int x) { printf("%d", x); }
348 [ac_cv_c_noreturn_attribute="yes"],
349 [ac_cv_c_noreturn_attribute="no"])
352 AC_MSG_RESULT($ac_cv_c_noreturn_attribute)
353 if test $ac_cv_c_noreturn_attribute = yes; then
354 AC_DEFINE(HAVE_ATTR_NORETURN, 1, [Whether the C compiler accepts the "noreturn" attribute])
355 AC_DEFINE(ATTR_NORETURN, [__attribute__((__noreturn__))], [apply the noreturn attribute to a function that exits the program])
357 ])dnl End of CHECK_NORETURN_ATTRIBUTE
359 CHECK_NORETURN_ATTRIBUTE
361 if test "$srcdir" != "."; then
362 CPPFLAGS="$CPPFLAGS -I$srcdir"
365 AC_DEFUN([ACX_YYLEX_DESTROY], [
366 AC_MSG_CHECKING([for yylex_destroy])
367 if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
368 AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
370 else AC_MSG_RESULT(no);
375 AC_DEFUN([ACX_YYLEX_OPTION], [
376 AC_MSG_CHECKING([for lex %option])
377 if cat <<EOF | $LEX -t 2>&1 | grep yy_delete_buffer >/dev/null 2>&1; then
382 else AC_MSG_RESULT(no);
388 if test "$LEX" != "" -a "$LEX" != ":"; then
391 if test "$LEX" != "" -a "$LEX" != ":"; then
395 AC_CHECK_PROG(doxygen, doxygen, doxygen)
396 AC_CHECK_TOOL(STRIP, strip)
401 # Checks for header files.
402 AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h sys/select.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h sys/endian.h libkern/OSByteOrder.h sys/ipc.h sys/shm.h ifaddrs.h net/if.h],,, [AC_INCLUDES_DEFAULT])
404 # Check for Apple header. This uncovers TARGET_OS_IPHONE, TARGET_OS_TV or TARGET_OS_WATCH
405 AC_CHECK_HEADERS([TargetConditionals.h])
408 # Using own tests for int64* because autoconf builtin only give 32bit.
409 AC_CHECK_TYPE(int8_t, signed char)
410 AC_CHECK_TYPE(int16_t, short)
411 AC_CHECK_TYPE(int32_t, int)
412 AC_CHECK_TYPE(int64_t, long long)
413 AC_CHECK_TYPE(uint8_t, unsigned char)
414 AC_CHECK_TYPE(uint16_t, unsigned short)
415 AC_CHECK_TYPE(uint32_t, unsigned int)
416 AC_CHECK_TYPE(uint64_t, unsigned long long)
418 AC_CHECK_TYPE(ssize_t, int)
427 ACX_CHECK_MEMCMP_SIGNED
429 AC_CHECK_SIZEOF(time_t,,[
431 #ifdef TIME_WITH_SYS_TIME
432 # include <sys/time.h>
435 # ifdef HAVE_SYS_TIME_H
436 # include <sys/time.h>
442 AC_CHECK_SIZEOF(size_t)
444 # add option to disable the evil rpath
446 AC_SUBST(RUNTIME_PATH)
448 # check to see if libraries are needed for these functions.
449 AC_SEARCH_LIBS([inet_pton], [nsl])
450 AC_SEARCH_LIBS([socket], [socket])
452 # check wether strptime also works
453 AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
454 [AC_REQUIRE([AC_PROG_CC])
455 AC_MSG_CHECKING(whether strptime works)
456 if test c${cross_compiling} = cno; then
457 AC_RUN_IFELSE([AC_LANG_SOURCE([[
458 #define _XOPEN_SOURCE 600
460 int main(void) { struct tm tm; char *res;
461 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);
463 res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
464 if (!res) return 1; return 0; }
465 ]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
467 eval "ac_cv_c_strptime_works=maybe"
469 AC_MSG_RESULT($ac_cv_c_strptime_works)
470 if test $ac_cv_c_strptime_works = no; then
473 AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
477 # check some functions of the OS before linking libs (while still runnable).
483 ACX_CHECK_NONBLOCKING_BROKEN
485 AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
487 # check if we can use SO_REUSEPORT
488 if echo "$host" | $GREP -i -e linux -e dragonfly >/dev/null; then
489 AC_DEFINE(REUSEPORT_DEFAULT, 1, [if REUSEPORT is enabled by default])
491 AC_DEFINE(REUSEPORT_DEFAULT, 0, [if REUSEPORT is enabled by default])
494 # Include systemd.m4 - begin
496 # Include systemd.m4 - end
498 # set memory allocation checking if requested
499 AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
500 [ enable to memory allocation statistics, for debug purposes ]),
502 AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
503 [ enable for lightweight alloc assertions, for debug purposes ]),
505 AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
506 [ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
508 if test x_$enable_alloc_nonregional = x_yes; then
509 AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
511 if test x_$enable_alloc_checks = x_yes; then
512 AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
513 SLDNS_ALLOCCHECK_EXTRA_OBJ="alloc.lo log.lo"
514 AC_SUBST(SLDNS_ALLOCCHECK_EXTRA_OBJ)
515 ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ="alloc.lo"
516 AC_SUBST(ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ)
518 if test x_$enable_alloc_lite = x_yes; then
519 AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
521 ACX_FUNC_MALLOC([unbound])
525 # check windows threads (we use them, not pthreads, on windows).
526 if test "$on_mingw" = "yes"; then
527 # check windows threads
528 AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
529 AC_MSG_CHECKING([for CreateThread])
530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
531 #ifdef HAVE_WINDOWS_H
535 HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
538 AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
544 # not on mingw, check thread libraries.
546 # check for thread library.
547 # check this first, so that the pthread lib does not get linked in via
548 # libssl or libpython, and thus distorts the tests, and we end up using
549 # the non-threadsafe C libraries.
550 AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
551 [use pthreads library, or --without-pthreads to disable threading support.]),
552 [ ],[ withval="yes" ])
554 if test x_$withval != x_no; then
556 AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
557 if test -n "$PTHREAD_LIBS"; then
558 LIBS="$PTHREAD_LIBS $LIBS"
560 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
563 AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
565 if echo "$CFLAGS" | $GREP -e "-pthread" >/dev/null; then
566 AC_MSG_CHECKING([if -pthread unused during linking])
567 # catch clang warning 'argument unused during compilation'
568 AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
570 int main(void) {return 0;}
574 echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
575 $CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
578 echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
579 $CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
580 if test $? -ne 0; then
582 CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
583 PTHREAD_CFLAGS_ONLY="-pthread"
584 AC_SUBST(PTHREAD_CFLAGS_ONLY)
590 fi # endif cc successful
591 rm -f conftest conftest.c conftest.o
592 fi # endif -pthread in CFLAGS
597 # check solaris thread library
598 AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
599 [use solaris native thread library.]), [ ],[ withval="no" ])
600 ub_have_sol_threads=no
601 if test x_$withval != x_no; then
602 if test x_$ub_have_pthreads != x_no; then
603 AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
605 AC_SEARCH_LIBS(thr_create, [thread],
607 AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
609 ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
610 [CFLAGS="$CFLAGS -D_REENTRANT"])
611 ub_have_sol_threads=yes
613 AC_ERROR([no solaris threads found.])
618 fi # end of non-mingw check of thread libraries
620 # Check for SYSLOG_FACILITY
621 AC_ARG_WITH(syslog-facility, AC_HELP_STRING([--with-syslog-facility=LOCAL0 - LOCAL7], [ set SYSLOG_FACILITY, default DAEMON ]),
622 [ UNBOUND_SYSLOG_FACILITY="$withval" ], [])
623 case "${UNBOUND_SYSLOG_FACILITY}" in
625 LOCAL[[0-7]]) UNBOUND_SYSLOG_FACILITY="LOG_${UNBOUND_SYSLOG_FACILITY}" ;;
627 *) UNBOUND_SYSLOG_FACILITY="LOG_DAEMON" ;;
630 AC_DEFINE_UNQUOTED(UB_SYSLOG_FACILITY,${UNBOUND_SYSLOG_FACILITY},[the SYSLOG_FACILITY to use, default LOG_DAEMON])
632 # Check for dynamic library module
633 AC_ARG_WITH(dynlibmodule,
634 AC_HELP_STRING([--with-dynlibmodule],
635 [build dynamic library module, or --without-dynlibmodule to disable it. (default=no)]),
636 [], [ withval="no" ])
638 if test x_$withval != x_no; then
639 AC_DEFINE(WITH_DYNLIBMODULE, 1, [Define if you want dynlib module.])
640 WITH_DYNLIBMODULE=yes
641 AC_SUBST(WITH_DYNLIBMODULE)
642 DYNLIBMOD_OBJ="dynlibmod.lo"
643 AC_SUBST(DYNLIBMOD_OBJ)
644 DYNLIBMOD_HEADER='$(srcdir)/dynlibmod/dynlibmod.h'
645 AC_SUBST(DYNLIBMOD_HEADER)
646 if test $on_mingw = "no"; then
647 DYNLIBMOD_EXTRALIBS="-ldl -export-dynamic"
649 DYNLIBMOD_EXTRALIBS="-Wl,--export-all-symbols,--out-implib,libunbound.a"
651 AC_SUBST(DYNLIBMOD_EXTRALIBS)
654 # Check for PyUnbound
655 AC_ARG_WITH(pyunbound,
656 AC_HELP_STRING([--with-pyunbound],
657 [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
658 [], [ withval="no" ])
662 if test x_$withval != x_no; then
663 ub_with_pyunbound=yes
667 # Check for Python module
668 AC_ARG_WITH(pythonmodule,
669 AC_HELP_STRING([--with-pythonmodule],
670 [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
671 [], [ withval="no" ])
674 if test x_$withval != x_no; then
675 ub_with_pythonmod=yes
679 # Check for Python & SWIG only on PyUnbound or PyModule
680 if test x_$ub_test_python != x_no; then
684 ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
686 if test ! -z "$PYTHON_VERSION"; then
687 if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
688 AC_ERROR([Python version >= 2.4.0 is required])
691 [PY_MAJOR_VERSION="`$PYTHON -c \"import sys; print(sys.version_info[0])\"`"]
692 AC_SUBST(PY_MAJOR_VERSION)
694 AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
695 if test -n "$LIBS"; then
696 LIBS="$PYTHON_LDFLAGS $LIBS"
698 LIBS="$PYTHON_LDFLAGS"
700 if test -n "$CPPFLAGS"; then
701 CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
703 CPPFLAGS="$PYTHON_CPPFLAGS"
705 if test "$PYTHON_LIBDIR" != "/usr/lib" -a "$PYTHON_LIBDIR" != "" -a "$PYTHON_LIBDIR" != "/usr/lib64"; then
706 ACX_RUNTIME_PATH_ADD([$PYTHON_LIBDIR])
709 PKG_CHECK_EXISTS(["python${PY_MAJOR_VERSION}"],
710 [PC_PY_DEPENDENCY="python${PY_MAJOR_VERSION}"],
711 [PC_PY_DEPENDENCY="python"])
712 AC_SUBST(PC_PY_DEPENDENCY)
716 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]))
717 if test "$enable_swig_version_check" = "yes"; then
722 AC_MSG_CHECKING(SWIG)
723 if test ! -x "$SWIG"; then
724 AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
726 AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
727 AC_SUBST(swig, "$SWIG")
728 AC_MSG_RESULT(present)
730 # If have Python & SWIG
732 if test x_$ub_with_pythonmod != x_no; then
733 AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
734 WITH_PYTHONMODULE=yes
735 AC_SUBST(WITH_PYTHONMODULE)
736 PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
737 AC_SUBST(PYTHONMOD_OBJ)
738 PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
739 AC_SUBST(PYTHONMOD_HEADER)
740 PYTHONMOD_INSTALL=pythonmod-install
741 AC_SUBST(PYTHONMOD_INSTALL)
742 PYTHONMOD_UNINSTALL=pythonmod-uninstall
743 AC_SUBST(PYTHONMOD_UNINSTALL)
747 if test x_$ub_with_pyunbound != x_no; then
748 AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
750 AC_SUBST(WITH_PYUNBOUND)
751 PYUNBOUND_OBJ="libunbound_wrap.lo"
752 AC_SUBST(PYUNBOUND_OBJ)
753 PYUNBOUND_TARGET="_unbound.la"
754 AC_SUBST(PYUNBOUND_TARGET)
755 PYUNBOUND_INSTALL=pyunbound-install
756 AC_SUBST(PYUNBOUND_INSTALL)
757 PYUNBOUND_UNINSTALL=pyunbound-uninstall
758 AC_SUBST(PYUNBOUND_UNINSTALL)
762 AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
768 if test "`uname`" = "NetBSD"; then
769 NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
770 AC_SUBST(NETBSD_LINTFLAGS)
772 CONFIG_DATE=`date +%Y%m%d`
773 AC_SUBST(CONFIG_DATE)
775 # Checks for libraries.
779 AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
780 [use libnss instead of openssl, installed at path.]),
783 AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
784 if test "$withval" != "" -a "$withval" != "yes"; then
785 CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
786 LDFLAGS="$LDFLAGS -L$withval/lib"
787 ACX_RUNTIME_PATH_ADD([$withval/lib])
788 CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
790 CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
791 CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
793 LIBS="$LIBS -lnss3 -lnspr4"
795 PC_CRYPTO_DEPENDENCY="nss nspr"
796 AC_SUBST(PC_CRYPTO_DEPENDENCY)
802 AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
803 [use libnettle as crypto library, installed at path.]),
806 AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
807 AC_CHECK_HEADERS([nettle/dsa-compat.h],,, [AC_INCLUDES_DEFAULT])
808 if test "$withval" != "" -a "$withval" != "yes"; then
809 CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
810 LDFLAGS="$LDFLAGS -L$withval/lib"
811 ACX_RUNTIME_PATH_ADD([$withval/lib])
813 CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
815 LIBS="$LIBS -lhogweed -lnettle -lgmp"
817 PC_CRYPTO_DEPENDENCY="hogweed nettle"
818 AC_SUBST(PC_CRYPTO_DEPENDENCY)
823 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
828 PC_CRYPTO_DEPENDENCY="libcrypto libssl"
829 AC_SUBST(PC_CRYPTO_DEPENDENCY)
831 # check if -lcrypt32 is needed because CAPIENG needs that. (on windows)
834 AC_MSG_CHECKING([if libssl needs -lcrypt32])
835 AC_TRY_LINK_FUNC([EVP_sha256], [
841 LIBS="$LIBS -lcrypt32"
844 AC_MSG_CHECKING([for LibreSSL])
845 if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
847 AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
848 # libressl provides these compat functions, but they may also be
849 # declared by the OS in libc. See if they have been declared.
850 AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform])
854 AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h],,, [AC_INCLUDES_DEFAULT])
855 AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback EVP_MAC_CTX_set_params])
857 # these check_funcs need -lssl
860 AC_CHECK_FUNCS([OPENSSL_init_ssl SSL_CTX_set_security_level SSL_set1_host SSL_get0_peername X509_VERIFY_PARAM_set1_host SSL_CTX_set_ciphersuites SSL_CTX_set_tlsext_ticket_key_evp_cb SSL_CTX_set_alpn_select_cb])
863 AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
865 #ifdef HAVE_OPENSSL_ERR_H
866 #include <openssl/err.h>
869 #ifdef HAVE_OPENSSL_RAND_H
870 #include <openssl/rand.h>
873 #ifdef HAVE_OPENSSL_CONF_H
874 #include <openssl/conf.h>
877 #ifdef HAVE_OPENSSL_ENGINE_H
878 #include <openssl/engine.h>
880 #include <openssl/ssl.h>
881 #include <openssl/evp.h>
884 if test "$ac_cv_func_HMAC_Init_ex" = "yes"; then
885 # check function return type.
886 AC_MSG_CHECKING(the return type of HMAC_Init_ex)
887 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
888 #ifdef HAVE_OPENSSL_ERR_H
889 #include <openssl/err.h>
892 #ifdef HAVE_OPENSSL_RAND_H
893 #include <openssl/rand.h>
896 #ifdef HAVE_OPENSSL_CONF_H
897 #include <openssl/conf.h>
900 #ifdef HAVE_OPENSSL_ENGINE_H
901 #include <openssl/engine.h>
903 #include <openssl/ssl.h>
904 #include <openssl/evp.h>
906 HMAC_CTX* hmac_ctx = NULL;
907 void* hmac_key = NULL;
908 const EVP_MD* digest = NULL;
909 int x = HMAC_Init_ex(hmac_ctx, hmac_key, 32, digest, NULL);
915 AC_DEFINE([HMAC_INIT_EX_RETURNS_VOID], 1, [If HMAC_Init_ex() returns void])
923 AC_ARG_WITH([libbsd], AC_HELP_STRING([--with-libbsd], [Use portable libbsd functions]), [
924 AC_CHECK_HEADERS([bsd/string.h bsd/stdlib.h],,, [AC_INCLUDES_DEFAULT])
925 if test "x$ac_cv_header_bsd_string_h" = xyes -a "x$ac_cv_header_bsd_stdlib_h" = xyes; then
926 for func in strlcpy strlcat arc4random arc4random_uniform reallocarray; do
927 AC_SEARCH_LIBS([$func], [bsd], [
928 AC_DEFINE(HAVE_LIBBSD, 1, [Use portable libbsd functions])
929 PC_LIBBSD_DEPENDENCY=libbsd
930 AC_SUBST(PC_LIBBSD_DEPENDENCY)
936 AC_ARG_ENABLE(sha1, AC_HELP_STRING([--disable-sha1], [Disable SHA1 RRSIG support, does not disable nsec3 support]))
937 case "$enable_sha1" in
941 AC_DEFINE([USE_SHA1], [1], [Define this to enable SHA1 support.])
946 AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
947 case "$enable_sha2" in
951 AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
955 AC_ARG_ENABLE(subnet, AC_HELP_STRING([--enable-subnet], [Enable client subnet]))
956 case "$enable_subnet" in
958 AC_DEFINE([CLIENT_SUBNET], [1], [Define this to enable client subnet option.])
959 SUBNET_OBJ="edns-subnet.lo subnetmod.lo addrtree.lo subnet-whitelist.lo"
961 SUBNET_HEADER='$(srcdir)/edns-subnet/subnetmod.h $(srcdir)/edns-subnet/edns-subnet.h $(srcdir)/edns-subnet/subnet-whitelist.h $(srcdir)/edns-subnet/addrtree.h'
962 AC_SUBST(SUBNET_HEADER)
968 # check wether gost also works
969 AC_DEFUN([AC_CHECK_GOST_WORKS],
970 [AC_REQUIRE([AC_PROG_CC])
971 AC_MSG_CHECKING([if GOST works])
972 if test c${cross_compiling} = cno; then
974 if test -n "$ssldir"; then
975 CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
977 AC_RUN_IFELSE([AC_LANG_SOURCE([[
979 #include <openssl/ssl.h>
980 #include <openssl/evp.h>
981 #include <openssl/engine.h>
982 #include <openssl/conf.h>
983 /* routine to load gost (from sldns) */
984 int load_gost_id(void)
986 static int gost_id = 0;
987 const EVP_PKEY_ASN1_METHOD* meth;
990 if(gost_id) return gost_id;
992 /* see if configuration loaded gost implementation from other engine*/
993 meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
995 EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
999 /* see if engine can be loaded already */
1000 e = ENGINE_by_id("gost");
1002 /* load it ourself, in case statically linked */
1003 ENGINE_load_builtin_engines();
1004 ENGINE_load_dynamic();
1005 e = ENGINE_by_id("gost");
1008 /* no gost engine in openssl */
1011 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1017 meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
1019 /* algo not found */
1024 EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
1030 unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
1031 const char* str = "Hello world";
1032 const unsigned char check[] = {
1033 0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
1034 0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
1035 0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
1036 0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
1038 OPENSSL_config(NULL);
1039 (void)load_gost_id();
1040 md = EVP_get_digestbyname("md_gost94");
1042 memset(digest, 0, sizeof(digest));
1043 ctx = EVP_MD_CTX_create();
1045 if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
1046 if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
1047 if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
1048 /* uncomment to see the hash calculated.
1051 printf(" %2.2x", (int)digest[i]);
1054 if(memcmp(digest, check, sizeof(check)) != 0)
1058 ]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
1061 eval "ac_cv_c_gost_works=maybe"
1063 AC_MSG_RESULT($ac_cv_c_gost_works)
1066 AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
1068 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1069 case "$enable_gost" in
1073 AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
1074 AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
1076 if test "$ac_cv_c_gost_works" != no; then
1078 AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
1082 fi dnl !USE_NSS && !USE_NETTLE
1084 AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
1086 case "$enable_ecdsa" in
1090 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1091 AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
1092 AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
1093 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
1094 #include <openssl/evp.h>
1096 # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
1097 AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
1098 if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
1099 if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
1101 AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
1103 AC_MSG_RESULT([yes])
1106 # not OpenSSL, thus likely LibreSSL, which supports it
1107 AC_MSG_RESULT([yes])
1110 # we now know we have ECDSA and the required curves.
1111 AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
1116 AC_ARG_ENABLE(dsa, AC_HELP_STRING([--disable-dsa], [Disable DSA support]))
1118 case "$enable_dsa" in
1120 # detect if DSA is supported, and turn it off if not.
1121 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1122 AC_CHECK_FUNC(DSA_SIG_new, [
1123 AC_CHECK_TYPE(DSA_SIG*, [
1124 AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
1125 ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
1128 #ifdef HAVE_OPENSSL_ERR_H
1129 #include <openssl/err.h>
1132 #ifdef HAVE_OPENSSL_RAND_H
1133 #include <openssl/rand.h>
1136 #ifdef HAVE_OPENSSL_CONF_H
1137 #include <openssl/conf.h>
1140 #ifdef HAVE_OPENSSL_ENGINE_H
1141 #include <openssl/engine.h>
1144 ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
1147 AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
1151 # disable dsa by default, RFC 8624 section 3.1, validators MUST NOT
1152 # support DSA for DNSSEC Validation.
1156 AC_ARG_ENABLE(ed25519, AC_HELP_STRING([--disable-ed25519], [Disable ED25519 support]))
1158 case "$enable_ed25519" in
1162 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1163 AC_CHECK_DECLS([NID_ED25519], [
1165 ], [ if test "x$enable_ed25519" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support ED25519 and you used --enable-ed25519.])
1166 fi ], [AC_INCLUDES_DEFAULT
1167 #include <openssl/evp.h>
1170 if test $USE_NETTLE = "yes"; then
1171 AC_CHECK_HEADERS([nettle/eddsa.h], use_ed25519="yes",, [AC_INCLUDES_DEFAULT])
1173 if test $use_ed25519 = "yes"; then
1174 AC_DEFINE_UNQUOTED([USE_ED25519], [1], [Define this to enable ED25519 support.])
1179 AC_ARG_ENABLE(ed448, AC_HELP_STRING([--disable-ed448], [Disable ED448 support]))
1181 case "$enable_ed448" in
1185 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1186 AC_CHECK_DECLS([NID_ED448], [
1188 ], [ if test "x$enable_ed448" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support ED448 and you used --enable-ed448.])
1189 fi ], [AC_INCLUDES_DEFAULT
1190 #include <openssl/evp.h>
1193 if test $use_ed448 = "yes"; then
1194 AC_DEFINE_UNQUOTED([USE_ED448], [1], [Define this to enable ED448 support.])
1199 AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) pluggable event base libunbound API installed to unbound-event.h]))
1200 case "$enable_event_api" in
1202 AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
1203 AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
1209 AC_ARG_ENABLE(tfo-client, AC_HELP_STRING([--enable-tfo-client], [Enable TCP Fast Open for client mode]))
1210 case "$enable_tfo_client" in
1213 Linux) AC_CHECK_DECL([MSG_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
1214 [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
1215 [AC_INCLUDES_DEFAULT
1216 #include <netinet/tcp.h>
1218 AC_DEFINE_UNQUOTED([USE_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
1220 Darwin) AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
1221 [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
1222 [AC_INCLUDES_DEFAULT
1223 #include <sys/socket.h>
1225 AC_DEFINE_UNQUOTED([USE_OSX_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
1233 AC_ARG_ENABLE(tfo-server, AC_HELP_STRING([--enable-tfo-server], [Enable TCP Fast Open for server mode]))
1234 case "$enable_tfo_server" in
1236 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
1237 #include <netinet/tcp.h>
1239 AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable server TCP Fast Open.])
1245 # check for libevent
1246 AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
1247 [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.]),
1248 [ ],[ with_libevent="no" ])
1249 if test "x_$with_libevent" != x_no; then
1250 AC_DEFINE([USE_LIBEVENT], [1], [Define if you enable libevent])
1251 AC_MSG_CHECKING(for libevent)
1252 if test "x_$with_libevent" = x_ -o "x_$with_libevent" = x_yes; then
1253 with_libevent="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1255 for dir in $with_libevent; do
1257 if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
1258 found_libevent="yes"
1259 dnl assume /usr is in default path.
1260 if test "$thedir" != "/usr"; then
1261 CPPFLAGS="$CPPFLAGS -I$thedir/include"
1266 if test x_$found_libevent != x_yes; then
1267 if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
1268 # libevent source directory
1269 AC_MSG_RESULT(found in $thedir)
1270 CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
1272 BAK_LDFLAGS="$LDFLAGS"
1273 # remove evdns from linking
1274 mkdir build >/dev/null 2>&1
1275 mkdir build/libevent >/dev/null 2>&1
1276 mkdir build/libevent/.libs >/dev/null 2>&1
1277 ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1278 ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
1279 ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1280 cp $ev_files_o build/libevent
1281 cp $ev_files_lo build/libevent
1282 cp $ev_files_libso build/libevent/.libs
1283 LATE_LDFLAGS="build/libevent/*.lo -lm"
1284 LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
1286 AC_MSG_ERROR([Cannot find the libevent library in $with_libevent
1287 You can restart ./configure --with-libevent=no to use a builtin alternative.
1288 Please note that this alternative is not as capable as libevent when using
1289 large outgoing port ranges. ])
1292 AC_MSG_RESULT(found in $thedir)
1293 dnl if event2 exists and no event lib in dir itself, use subdir
1294 if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
1295 LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
1296 ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
1298 dnl assume /usr is in default path, do not add "".
1299 if test "$thedir" != "/usr" -a "$thedir" != ""; then
1300 LDFLAGS="$LDFLAGS -L$thedir/lib"
1301 ACX_RUNTIME_PATH_ADD([$thedir/lib])
1305 # check for library used by libevent after 1.3c
1306 AC_SEARCH_LIBS([clock_gettime], [rt])
1308 # is the event.h header libev or libevent?
1309 AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
1310 AC_CHECK_DECL(EV_VERSION_MAJOR, [
1311 AC_SEARCH_LIBS(event_set, [ev])
1313 AC_SEARCH_LIBS(event_set, [event])
1314 ],[AC_INCLUDES_DEFAULT
1317 AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
1318 AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
1319 AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
1320 AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
1321 AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
1322 AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
1323 AC_CHECK_FUNCS([event_assign]) # in libevent, for thread-safety
1324 AC_CHECK_DECLS([evsignal_assign], [], [], [AC_INCLUDES_DEFAULT
1328 # include "event2/event.h"
1331 PC_LIBEVENT_DEPENDENCY="libevent"
1332 AC_SUBST(PC_LIBEVENT_DEPENDENCY)
1333 if test -n "$BAK_LDFLAGS_SET"; then
1334 LDFLAGS="$BAK_LDFLAGS"
1337 AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
1340 # check for libexpat
1341 AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
1342 [specify explicit path for libexpat.]),
1343 [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
1344 AC_MSG_CHECKING(for libexpat)
1346 for dir in $withval ; do
1347 if test -f "$dir/include/expat.h"; then
1348 found_libexpat="yes"
1349 dnl assume /usr is in default path.
1350 if test "$dir" != "/usr"; then
1351 CPPFLAGS="$CPPFLAGS -I$dir/include"
1352 LDFLAGS="$LDFLAGS -L$dir/lib"
1354 AC_MSG_RESULT(found in $dir)
1358 if test x_$found_libexpat != x_yes; then
1359 AC_ERROR([Could not find libexpat, expat.h])
1361 AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
1362 AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
1366 # hiredis (redis C client for cachedb)
1367 AC_ARG_WITH(libhiredis, AC_HELP_STRING([--with-libhiredis=path],
1368 [specify explicit path for libhiredis.]),
1369 [ ],[ withval="no" ])
1370 found_libhiredis="no"
1371 if test x_$withval = x_yes -o x_$withval != x_no; then
1372 AC_MSG_CHECKING(for libhiredis)
1373 if test x_$withval = x_ -o x_$withval = x_yes; then
1374 withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1376 for dir in $withval ; do
1377 if test -f "$dir/include/hiredis/hiredis.h"; then
1378 found_libhiredis="yes"
1379 dnl assume /usr is in default path.
1380 if test "$dir" != "/usr"; then
1381 CPPFLAGS="$CPPFLAGS -I$dir/include"
1382 LDFLAGS="$LDFLAGS -L$dir/lib"
1384 AC_MSG_RESULT(found in $dir)
1385 AC_DEFINE([USE_REDIS], [1], [Define this to use hiredis client.])
1386 LIBS="$LIBS -lhiredis"
1390 if test x_$found_libhiredis != x_yes; then
1391 AC_ERROR([Could not find libhiredis, hiredis.h])
1393 AC_CHECK_HEADERS([hiredis/hiredis.h],,, [AC_INCLUDES_DEFAULT])
1394 AC_CHECK_DECLS([redisConnect], [], [], [AC_INCLUDES_DEFAULT
1395 #include <hiredis/hiredis.h>
1400 AC_ARG_WITH(libnghttp2, AC_HELP_STRING([--with-libnghttp2=path],
1401 [specify explicit path for libnghttp2.]),
1402 [ ],[ withval="no" ])
1403 found_libnghttp2="no"
1404 if test x_$withval = x_yes -o x_$withval != x_no; then
1405 AC_MSG_CHECKING(for libnghttp2)
1406 if test x_$withval = x_ -o x_$withval = x_yes; then
1407 withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1409 for dir in $withval ; do
1410 if test -f "$dir/include/nghttp2/nghttp2.h"; then
1411 found_libnghttp2="yes"
1412 dnl assume /usr is in default path.
1413 if test "$dir" != "/usr"; then
1414 CPPFLAGS="$CPPFLAGS -I$dir/include"
1415 LDFLAGS="$LDFLAGS -L$dir/lib"
1417 AC_MSG_RESULT(found in $dir)
1418 AC_DEFINE([HAVE_NGHTTP2], [1], [Define this to use nghttp2 client.])
1419 LIBS="$LIBS -lnghttp2"
1423 if test x_$found_libnghttp2 != x_yes; then
1424 AC_ERROR([Could not find libnghttp2, nghttp2.h])
1426 AC_CHECK_HEADERS([nghttp2/nghttp2.h],,, [AC_INCLUDES_DEFAULT])
1427 AC_CHECK_DECLS([nghttp2_session_server_new], [], [], [AC_INCLUDES_DEFAULT
1428 #include <nghttp2/nghttp2.h>
1432 # set static linking for uninstalled libraries if requested
1435 AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
1436 [ enable to compile executables statically against (event) uninstalled libs, for debug purposes ]),
1438 if test x_$enable_static_exe = x_yes; then
1440 if test "$on_mingw" = yes; then
1441 staticexe="-all-static"
1442 # for static compile, include gdi32 and zlib here.
1443 if echo $LIBS | grep 'lgdi32' >/dev/null; then
1446 LIBS="$LIBS -lgdi32"
1452 # set full static linking if requested
1453 AC_ARG_ENABLE(fully-static, AC_HELP_STRING([--enable-fully-static],
1454 [ enable to compile fully static ]),
1456 if test x_$enable_fully_static = x_yes; then
1457 staticexe="-all-static"
1458 if test "$on_mingw" = yes; then
1459 # for static compile, include gdi32 and zlib here.
1460 if echo $LIBS | grep 'lgdi32' >/dev/null; then
1463 LIBS="$LIBS -lgdi32"
1469 # set lock checking if requested
1470 AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
1471 [ enable to check lock and unlock calls, for debug purposes ]),
1473 if test x_$enable_lock_checks = x_yes; then
1474 AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
1475 CHECKLOCK_OBJ="checklocks.lo"
1476 AC_SUBST(CHECKLOCK_OBJ)
1479 ACX_CHECK_GETADDRINFO_WITH_INCLUDES
1480 if test "$USE_WINSOCK" = 1; then
1481 AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
1482 AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
1483 #include <windows.h>
1485 AC_CHECK_TOOL(WINDRES, windres)
1486 LIBS="$LIBS -liphlpapi -lcrypt32"
1487 WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
1489 WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
1490 AC_SUBST(WIN_DAEMON_SRC)
1491 WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
1492 AC_SUBST(WIN_DAEMON_OBJ)
1493 WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
1494 AC_SUBST(WIN_DAEMON_OBJ_LINK)
1495 WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
1496 AC_SUBST(WIN_HOST_OBJ_LINK)
1497 WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
1498 AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
1499 WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
1500 AC_SUBST(WIN_CONTROL_OBJ_LINK)
1501 WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
1502 AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
1504 if test $ac_cv_func_getaddrinfo = no; then
1505 AC_LIBOBJ([fake-rfc2553])
1507 # check after getaddrinfo for its libraries
1508 ACX_FUNC_IOCTLSOCKET
1510 # see if daemon(3) exists, and if it is deprecated.
1511 AC_CHECK_FUNCS([daemon])
1512 if test $ac_cv_func_daemon = yes; then
1513 ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
1518 AC_CHECK_MEMBERS([struct sockaddr_un.sun_len],,,[
1520 #ifdef HAVE_SYS_UN_H
1524 AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
1526 #if HAVE_SYS_PARAM_H
1527 #include <sys/param.h>
1530 #ifdef HAVE_SYS_SOCKET_H
1531 #include <sys/socket.h>
1534 #ifdef HAVE_SYS_UIO_H
1535 #include <sys/uio.h>
1538 #ifdef HAVE_NETINET_IN_H
1539 #include <netinet/in.h>
1542 #ifdef HAVE_NETINET_TCP_H
1543 #include <netinet/tcp.h>
1546 #ifdef HAVE_ARPA_INET_H
1547 #include <arpa/inet.h>
1550 #ifdef HAVE_WINSOCK2_H
1551 #include <winsock2.h>
1554 #ifdef HAVE_WS2TCPIP_H
1555 #include <ws2tcpip.h>
1559 AC_MSG_CHECKING([for htobe64])
1560 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1562 #ifdef HAVE_ENDIAN_H
1563 # include <endian.h>
1565 #ifdef HAVE_SYS_ENDIAN_H
1566 # include <sys/endian.h>
1568 ], [unsigned long long x = htobe64(0); printf("%u", (unsigned)x);])],
1570 AC_DEFINE(HAVE_HTOBE64, 1, [If we have htobe64]),
1573 AC_MSG_CHECKING([for be64toh])
1574 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1576 #ifdef HAVE_ENDIAN_H
1577 # include <endian.h>
1579 #ifdef HAVE_SYS_ENDIAN_H
1580 # include <sys/endian.h>
1582 ], [unsigned long long x = be64toh(0); printf("%u", (unsigned)x);])],
1584 AC_DEFINE(HAVE_BE64TOH, 1, [If we have be64toh]),
1587 AC_SEARCH_LIBS([setusercontext], [util])
1588 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])
1589 AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
1590 AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
1592 # check if setreuid en setregid fail, on MacOSX10.4(darwin8).
1593 if echo $target_os | grep darwin8 > /dev/null; then
1594 AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
1596 AC_CHECK_DECLS([inet_pton,inet_ntop], [], [], [
1598 #ifdef HAVE_NETINET_IN_H
1599 #include <netinet/in.h>
1602 #ifdef HAVE_NETINET_TCP_H
1603 #include <netinet/tcp.h>
1606 #ifdef HAVE_ARPA_INET_H
1607 #include <arpa/inet.h>
1610 #ifdef HAVE_WINSOCK2_H
1611 #include <winsock2.h>
1614 #ifdef HAVE_WS2TCPIP_H
1615 #include <ws2tcpip.h>
1618 AC_REPLACE_FUNCS(inet_aton)
1619 AC_REPLACE_FUNCS(inet_pton)
1620 AC_REPLACE_FUNCS(inet_ntop)
1621 AC_REPLACE_FUNCS(snprintf)
1622 # test if snprintf return the proper length
1623 if test "x$ac_cv_func_snprintf" = xyes; then
1624 if test c${cross_compiling} = cno; then
1625 AC_MSG_CHECKING([for correct snprintf return value])
1626 AC_RUN_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1628 int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
1629 ]])], [AC_MSG_RESULT(yes)], [
1631 AC_DEFINE([SNPRINTF_RET_BROKEN], [], [define if (v)snprintf does not return length needed, (but length used)])
1636 AC_REPLACE_FUNCS(strlcat)
1637 AC_REPLACE_FUNCS(strlcpy)
1638 AC_REPLACE_FUNCS(memmove)
1639 AC_REPLACE_FUNCS(gmtime_r)
1640 AC_REPLACE_FUNCS(isblank)
1641 AC_REPLACE_FUNCS(explicit_bzero)
1642 dnl without CTIME, ARC4-functions and without reallocarray.
1643 LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
1644 AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
1645 AC_MSG_CHECKING([for reallocarray])
1646 AC_LINK_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1648 #ifndef _OPENBSD_SOURCE
1649 #define _OPENBSD_SOURCE 1
1653 void* p = reallocarray(NULL, 10, 100);
1657 ]])], [AC_MSG_RESULT(yes)
1658 AC_DEFINE(HAVE_REALLOCARRAY, 1, [If we have reallocarray(3)])
1661 AC_LIBOBJ(reallocarray)
1663 AC_CHECK_DECLS([reallocarray])
1664 if test "$USE_NSS" = "no"; then
1665 AC_REPLACE_FUNCS(arc4random)
1666 AC_REPLACE_FUNCS(arc4random_uniform)
1667 if test "$ac_cv_func_arc4random" = "no"; then
1668 AC_LIBOBJ(arc4_lock)
1669 AC_CHECK_FUNCS([getentropy],,[
1670 if test "$USE_WINSOCK" = 1; then
1671 AC_LIBOBJ(getentropy_win)
1675 AC_LIBOBJ(getentropy_osx)
1677 *solaris*|*sunos*|SunOS)
1678 AC_LIBOBJ(getentropy_solaris)
1679 AC_CHECK_HEADERS([sys/sha2.h],, [
1680 AC_CHECK_FUNCS([SHA512_Update],,[
1683 ], [AC_INCLUDES_DEFAULT])
1684 if test "$ac_cv_header_sys_sha2_h" = "yes"; then
1685 # this lib needed for sha2 on solaris
1688 AC_SEARCH_LIBS([clock_gettime], [rt])
1691 AC_LIBOBJ(getentropy_freebsd)
1694 AC_LIBOBJ(getentropy_linux)
1695 AC_CHECK_FUNCS([SHA512_Update],,[
1696 AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
1699 AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
1700 AC_CHECK_FUNCS([getauxval])
1701 AC_SEARCH_LIBS([clock_gettime], [rt])
1708 LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
1709 AC_SUBST(LIBOBJ_WITHOUT_CTIME)
1710 AC_REPLACE_FUNCS(ctime_r)
1711 AC_REPLACE_FUNCS(strsep)
1713 AC_ARG_ENABLE(allsymbols, AC_HELP_STRING([--enable-allsymbols], [export all symbols from libunbound and link binaries to it, smaller install size but libunbound export table is polluted by internal symbols]))
1714 case "$enable_allsymbols" in
1716 COMMON_OBJ_ALL_SYMBOLS=""
1718 EXTRALINK="-L. -L.libs -lunbound"
1719 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])
1722 COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
1723 UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
1727 AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
1730 if test x_$enable_lock_checks = x_yes; then
1731 UBSYMS="-export-symbols clubsyms.def"
1732 cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
1733 echo lock_protect >> clubsyms.def
1734 echo lock_unprotect >> clubsyms.def
1735 echo lock_get_mem >> clubsyms.def
1736 echo checklock_start >> clubsyms.def
1737 echo checklock_stop >> clubsyms.def
1738 echo checklock_lock >> clubsyms.def
1739 echo checklock_unlock >> clubsyms.def
1740 echo checklock_init >> clubsyms.def
1741 echo checklock_thrcreate >> clubsyms.def
1742 echo checklock_thrjoin >> clubsyms.def
1745 # check for dnstap if requested
1746 dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
1748 AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support])
1749 AC_SUBST([ENABLE_DNSTAP], [1])
1751 AC_SUBST([opt_dnstap_socket_path])
1752 ACX_ESCAPE_BACKSLASH($opt_dnstap_socket_path, hdr_dnstap_socket_path)
1753 AC_DEFINE_UNQUOTED(DNSTAP_SOCKET_PATH,
1754 ["$hdr_dnstap_socket_path"], [default dnstap socket path])
1755 AC_SUBST(DNSTAP_SOCKET_PATH,["$hdr_dnstap_socket_path"])
1757 AC_SUBST([DNSTAP_SRC], ["dnstap/dnstap.c dnstap/dnstap.pb-c.c dnstap/dnstap_fstrm.c dnstap/dtstream.c"])
1758 AC_SUBST([DNSTAP_OBJ], ["dnstap.lo dnstap.pb-c.lo dnstap_fstrm.lo dtstream.lo"])
1761 AC_SUBST([ENABLE_DNSTAP], [0])
1765 # check for dnscrypt if requested
1767 AC_DEFINE([USE_DNSCRYPT], [1], [Define to 1 to enable dnscrypt support])
1768 AC_SUBST([ENABLE_DNSCRYPT], [1])
1770 AC_SUBST([DNSCRYPT_SRC], ["dnscrypt/dnscrypt.c"])
1771 AC_SUBST([DNSCRYPT_OBJ], ["dnscrypt.lo"])
1774 AC_SUBST([ENABLE_DNSCRYPT], [0])
1778 # check for cachedb if requested
1779 AC_ARG_ENABLE(cachedb, AC_HELP_STRING([--enable-cachedb], [enable cachedb module that can use external cache storage]))
1780 # turn on cachedb when hiredis support is enabled.
1781 if test "$found_libhiredis" = "yes"; then enable_cachedb="yes"; fi
1782 case "$enable_cachedb" in
1784 AC_DEFINE([USE_CACHEDB], [1], [Define to 1 to use cachedb support])
1791 # check for ipsecmod if requested
1792 AC_ARG_ENABLE(ipsecmod, AC_HELP_STRING([--enable-ipsecmod], [Enable ipsecmod module that facilitates opportunistic IPsec]))
1793 case "$enable_ipsecmod" in
1795 AC_DEFINE([USE_IPSECMOD], [1], [Define to 1 to use ipsecmod support.])
1796 IPSECMOD_OBJ="ipsecmod.lo ipsecmod-whitelist.lo"
1797 AC_SUBST(IPSECMOD_OBJ)
1798 IPSECMOD_HEADER='$(srcdir)/ipsecmod/ipsecmod.h $(srcdir)/ipsecmod/ipsecmod-whitelist.h'
1799 AC_SUBST(IPSECMOD_HEADER)
1806 # check for ipset if requested
1807 AC_ARG_ENABLE(ipset, AC_HELP_STRING([--enable-ipset], [enable ipset module]))
1808 case "$enable_ipset" in
1810 AC_DEFINE([USE_IPSET], [1], [Define to 1 to use ipset support])
1811 IPSET_SRC="ipset/ipset.c"
1813 IPSET_OBJ="ipset.lo"
1817 AC_ARG_WITH(libmnl, AC_HELP_STRING([--with-libmnl=path],
1818 [specify explicit path for libmnl.]),
1819 [ ],[ withval="yes" ])
1821 AC_MSG_CHECKING(for libmnl)
1822 if test x_$withval = x_ -o x_$withval = x_yes; then
1823 withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1825 for dir in $withval ; do
1826 if test -f "$dir/include/libmnl/libmnl.h"; then
1828 dnl assume /usr is in default path.
1829 if test "$dir" != "/usr"; then
1830 CPPFLAGS="$CPPFLAGS -I$dir/include"
1831 LDFLAGS="$LDFLAGS -L$dir/lib"
1833 AC_MSG_RESULT(found in $dir)
1838 if test x_$found_libmnl != x_yes; then
1839 AC_ERROR([Could not find libmnl, libmnl.h])
1846 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]))
1847 case "$enable_explicit_port_randomisation" in
1849 AC_DEFINE([DISABLE_EXPLICIT_PORT_RANDOMISATION], [1], [Define this to enable kernel based UDP source port randomization.])
1856 AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
1857 # on openBSD, the implicit rule make $< work.
1858 # on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
1860 cat >conftest.make <<EOF
1863 conftest.lo foo.lo bla.lo:
1864 if test -f "\$<"; then touch \$@; fi
1868 if test -f "\$<"; then touch \$@; fi
1870 conftest.lo: conftest.dir/conftest.c
1873 touch conftest.dir/conftest.c
1874 rm -f conftest.lo conftest.c
1875 ${MAKE:-make} -f conftest.make >/dev/null
1876 rm -f conftest.make conftest.c conftest.dir/conftest.c
1878 if test ! -f conftest.lo; then
1880 SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
1881 SOURCEFILE='`cat .source`'
1888 AC_SUBST(SOURCEDETERMINE)
1889 AC_SUBST(SOURCEFILE)
1891 # see if we want to build the library or everything
1892 ALLTARGET="alltargets"
1893 INSTALLTARGET="install-all"
1894 AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
1895 [do not build daemon and tool programs]),
1897 if test "$withval" = "yes"; then
1899 INSTALLTARGET="install-lib"
1902 if test $ALLTARGET = "alltargets"; then
1903 if test $USE_NSS = "yes"; then
1904 AC_ERROR([--with-nss can only be used in combination with --with-libunbound-only.])
1906 if test $USE_NETTLE = "yes"; then
1907 AC_ERROR([--with-nettle can only be used in combination with --with-libunbound-only.])
1912 AC_SUBST(INSTALLTARGET)
1915 if test -n "$LATE_LDFLAGS"; then
1916 LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
1918 # remove start spaces
1919 LDFLAGS=`echo "$LDFLAGS"|sed -e 's/^ *//'`
1920 LIBS=`echo "$LIBS"|sed -e 's/^ *//'`
1922 AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
1925 dnl this must be first AH_CONFIG, to define the flags before any includes.
1926 AHX_CONFIG_EXT_FLAGS
1930 #ifndef _OPENBSD_SOURCE
1931 #define _OPENBSD_SOURCE 1
1934 #ifndef UNBOUND_DEBUG
1940 /** Use small-ldns codebase */
1943 # define LDNS_BUILD_CONFIG_HAVE_SSL 1
1956 #ifdef HAVE_STDARG_H
1960 #ifdef HAVE_STDINT_H
1966 #if HAVE_SYS_PARAM_H
1967 #include <sys/param.h>
1970 #ifdef HAVE_SYS_SOCKET_H
1971 #include <sys/socket.h>
1974 #ifdef HAVE_SYS_UIO_H
1975 #include <sys/uio.h>
1978 #ifdef HAVE_NETINET_IN_H
1979 #include <netinet/in.h>
1982 #ifdef HAVE_NETINET_TCP_H
1983 #include <netinet/tcp.h>
1986 #ifdef HAVE_ARPA_INET_H
1987 #include <arpa/inet.h>
1990 #ifdef HAVE_WINSOCK2_H
1991 #include <winsock2.h>
1994 #ifdef HAVE_WS2TCPIP_H
1995 #include <ws2tcpip.h>
1999 #define ARG_LL "%ll"
2001 #define ARG_LL "%I64"
2005 #define AF_LOCAL AF_UNIX
2009 AHX_CONFIG_FORMAT_ATTRIBUTE
2010 AHX_CONFIG_UNUSED_ATTRIBUTE
2012 AHX_CONFIG_MAXHOSTNAMELEN
2013 #if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
2014 #define snprintf snprintf_unbound
2015 #define vsnprintf vsnprintf_unbound
2017 int snprintf (char *str, size_t count, const char *fmt, ...);
2018 int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
2019 #endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
2020 AHX_CONFIG_INET_PTON(unbound)
2021 AHX_CONFIG_INET_NTOP(unbound)
2022 AHX_CONFIG_INET_ATON(unbound)
2023 AHX_CONFIG_MEMMOVE(unbound)
2024 AHX_CONFIG_STRLCAT(unbound)
2025 AHX_CONFIG_STRLCPY(unbound)
2026 AHX_CONFIG_GMTIME_R(unbound)
2027 AHX_CONFIG_REALLOCARRAY(unbound)
2028 AHX_CONFIG_W32_SLEEP
2029 AHX_CONFIG_W32_USLEEP
2030 AHX_CONFIG_W32_RANDOM
2031 AHX_CONFIG_W32_SRANDOM
2032 AHX_CONFIG_W32_FD_SET_T
2033 AHX_CONFIG_IPV6_MIN_MTU
2034 AHX_MEMCMP_BROKEN(unbound)
2037 #ifndef HAVE_CTIME_R
2038 #define ctime_r unbound_ctime_r
2039 char *ctime_r(const time_t *timep, char *buf);
2043 #define strsep unbound_strsep
2044 char *strsep(char **stringp, const char *delim);
2047 #ifndef HAVE_ISBLANK
2048 #define isblank unbound_isblank
2052 #ifndef HAVE_EXPLICIT_BZERO
2053 #define explicit_bzero unbound_explicit_bzero
2054 void explicit_bzero(void* buf, size_t len);
2057 #if defined(HAVE_INET_NTOP) && !HAVE_DECL_INET_NTOP
2058 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
2061 #if defined(HAVE_INET_PTON) && !HAVE_DECL_INET_PTON
2062 int inet_pton(int af, const char* src, void* dst);
2065 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
2066 #define strptime unbound_strptime
2068 char *strptime(const char *s, const char *format, struct tm *tm);
2071 #if !HAVE_DECL_REALLOCARRAY
2072 void *reallocarray(void *ptr, size_t nmemb, size_t size);
2076 #include <bsd/string.h>
2077 #include <bsd/stdlib.h>
2080 #ifdef HAVE_LIBRESSL
2081 # if !HAVE_DECL_STRLCPY
2082 size_t strlcpy(char *dst, const char *src, size_t siz);
2084 # if !HAVE_DECL_STRLCAT
2085 size_t strlcat(char *dst, const char *src, size_t siz);
2087 # if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
2088 uint32_t arc4random(void);
2090 # if !HAVE_DECL_ARC4RANDOM_UNIFORM && defined(HAVE_ARC4RANDOM_UNIFORM)
2091 uint32_t arc4random_uniform(uint32_t upper_bound);
2093 #endif /* HAVE_LIBRESSL */
2094 #ifndef HAVE_ARC4RANDOM
2095 int getentropy(void* buf, size_t len);
2096 uint32_t arc4random(void);
2097 void arc4random_buf(void* buf, size_t n);
2098 void _ARC4_LOCK(void);
2099 void _ARC4_UNLOCK(void);
2100 void _ARC4_LOCK_DESTROY(void);
2102 #ifndef HAVE_ARC4RANDOM_UNIFORM
2103 uint32_t arc4random_uniform(uint32_t upper_bound);
2105 #ifdef COMPAT_SHA512
2106 #ifndef SHA512_DIGEST_LENGTH
2107 #define SHA512_BLOCK_LENGTH 128
2108 #define SHA512_DIGEST_LENGTH 64
2109 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
2110 typedef struct _SHA512_CTX {
2112 uint64_t bitcount[2];
2113 uint8_t buffer[SHA512_BLOCK_LENGTH];
2115 #endif /* SHA512_DIGEST_LENGTH */
2116 void SHA512_Init(SHA512_CTX*);
2117 void SHA512_Update(SHA512_CTX*, void*, size_t);
2118 void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
2119 unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
2120 #endif /* COMPAT_SHA512 */
2124 #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))
2125 /* using version of libevent that is not threadsafe. */
2126 # define LIBEVENT_SIGNAL_PROBLEM 1
2129 #ifndef CHECKED_INET6
2130 # define CHECKED_INET6
2134 # define AF_INET6 28
2136 #endif /* CHECKED_INET6 */
2138 #ifndef HAVE_GETADDRINFO
2139 struct sockaddr_storage;
2140 #include "compat/fake-rfc2553.h"
2143 #ifdef UNBOUND_ALLOC_STATS
2144 # define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
2145 # define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
2146 # define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
2147 # define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
2148 void *unbound_stat_malloc(size_t size);
2149 void *unbound_stat_calloc(size_t nmemb, size_t size);
2150 void unbound_stat_free(void *ptr);
2151 void *unbound_stat_realloc(void *ptr, size_t size);
2152 void *unbound_stat_malloc_log(size_t size, const char* file, int line,
2154 void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
2155 int line, const char* func);
2156 void unbound_stat_free_log(void *ptr, const char* file, int line,
2158 void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
2159 int line, const char* func);
2160 #elif defined(UNBOUND_ALLOC_LITE)
2161 # include "util/alloc.h"
2162 #endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
2164 /** default port for DNS traffic. */
2165 #define UNBOUND_DNS_PORT 53
2166 /** default port for DNS over TLS traffic. */
2167 #define UNBOUND_DNS_OVER_TLS_PORT 853
2168 /** default port for DNS over HTTPS traffic. */
2169 #define UNBOUND_DNS_OVER_HTTPS_PORT 443
2170 /** default port for unbound control traffic, registered port with IANA,
2171 ub-dns-control 8953/tcp unbound dns nameserver control */
2172 #define UNBOUND_CONTROL_PORT 8953
2173 /** the version of unbound-control that this software implements */
2174 #define UNBOUND_CONTROL_VERSION 1
2178 dnl if we build from source tree, the man pages need @date@ and @version@
2179 dnl if this is a distro tarball, that was already done by makedist.sh
2180 AC_SUBST(version, [VERSION_MAJOR.VERSION_MINOR.VERSION_MICRO])
2181 AC_SUBST(date, [`date +'%b %e, %Y'`])
2183 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])
2184 AC_CONFIG_HEADER([config.h])