xref: /freebsd/contrib/unbound/configure.ac (revision fe815331bb40604ba31312acf7e4619674631777)
1#                                               -*- Autoconf -*-
2# Process this file with autoconf to produce a configure script.
3AC_PREREQ(2.56)
4sinclude(acx_nlnetlabs.m4)
5sinclude(ax_pthread.m4)
6sinclude(acx_python.m4)
7sinclude(ac_pkg_swig.m4)
8sinclude(dnstap/dnstap.m4)
9sinclude(dnscrypt/dnscrypt.m4)
10
11# must be numbers. ac_defun because of later processing
12m4_define([VERSION_MAJOR],[1])
13m4_define([VERSION_MINOR],[11])
14m4_define([VERSION_MICRO],[0])
15AC_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)
16AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
17AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
18AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
19
20LIBUNBOUND_CURRENT=9
21LIBUNBOUND_REVISION=9
22LIBUNBOUND_AGE=1
23# 1.0.0 had 0:12:0
24# 1.0.1 had 0:13:0
25# 1.0.2 had 0:14:0
26# 1.1.0 had 0:15:0
27# 1.1.1 had 0:16:0
28# 1.2.0 had 0:17:0
29# 1.2.1 had 0:18:0
30# 1.3.0 had 1:0:0   # ub_cancel and -export-symbols.
31# 1.3.1 had 1:1:0
32# 1.3.2 had 1:2:0
33# 1.3.3 had 1:3:0
34# 1.3.4 had 1:4:0
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
37# 1.4.1 had 2:1:0
38# 1.4.2 had 2:2:0
39# 1.4.3 had 2:3:0
40# 1.4.4 had 2:4:0
41# 1.4.5 had 2:5:0
42# 1.4.6 had 2:6:0
43# 1.4.7 had 2:7:0
44# 1.4.8 had 2:8:0
45# 1.4.9 had 2:9:0
46# 1.4.10 had 2:10:0
47# 1.4.11 had 2:11:0
48# 1.4.12 had 2:12:0
49# 1.4.13 had 2:13:0
50# and 1.4.13p1 and 1.4.13.p2
51# 1.4.14 had 2:14:0
52# 1.4.15 had 3:0:1 # adds ub_version()
53# 1.4.16 had 3:1:1
54# 1.4.17 had 3:2:1
55# 1.4.18 had 3:3:1
56# 1.4.19 had 3:4:1
57# 1.4.20 had 4:0:2 # adds libunbound.ttl # but shipped 3:5:1
58# 1.4.21 had 4:1:2
59# 1.4.22 had 4:1:2
60# 1.5.0 had 5:3:3 # adds ub_ctx_add_ta_autr
61# 1.5.1 had 5:3:3
62# 1.5.2 had 5:5:3
63# 1.5.3 had 5:6:3
64# 1.5.4 had 5:7:3
65# 1.5.5 had 5:8:3
66# 1.5.6 had 5:9:3
67# 1.5.7 had 5:10:3
68# 1.5.8 had 6:0:4 # adds ub_ctx_set_stub
69# 1.5.9 had 6:1:4
70# 1.5.10 had 6:2:4
71# 1.6.0 had 6:3:4
72# 1.6.1 had 7:0:5 # ub_callback_t typedef renamed to ub_callback_type
73# 1.6.2 had 7:1:5
74# 1.6.3 had 7:2:5
75# 1.6.4 had 7:3:5
76# 1.6.5 had 7:4:5
77# 1.6.6 had 7:5:5
78# 1.6.7 had 7:6:5
79# 1.6.8 had 7:7:5
80# 1.7.0 had 7:8:5
81# 1.7.1 had 7:9:5
82# 1.7.2 had 7:10:5
83# 1.7.3 had 7:11:5
84# 1.8.0 had 8:0:0 # changes the event callback function signature
85# 1.8.1 had 8:1:0
86# 1.8.2 had 8:2:0
87# 1.8.3 had 8:3:0
88# 1.9.0 had 9:0:1 # add ub_ctx_set_tls
89# 1.9.1 had 9:1:1
90# 1.9.2 had 9:2:1
91# 1.9.3 had 9:3:1
92# 1.9.4 had 9:4:1
93# 1.9.5 had 9:5:1
94# 1.9.6 had 9:6:1
95# 1.10.0 had 9:7:1
96# 1.10.1 had 9:8:1
97# 1.11.0 had 9:9:1
98
99#   Current  -- the number of the binary API that we're implementing
100#   Revision -- which iteration of the implementation of the binary
101#               API are we supplying?
102#   Age      -- How many previous binary API versions do we also
103#               support?
104#
105# If we release a new version that does not change the binary API,
106# increment Revision.
107#
108# If we release a new version that changes the binary API, but does
109# not break programs compiled against the old binary API, increment
110# Current and Age.  Set Revision to 0, since this is the first
111# implementation of the new API.
112#
113# Otherwise, we're changing the binary API and breaking backward
114# compatibility with old binaries.  Increment Current.  Set Age to 0,
115# since we're backward compatible with no previous APIs.  Set Revision
116# to 0 too.
117AC_SUBST(LIBUNBOUND_CURRENT)
118AC_SUBST(LIBUNBOUND_REVISION)
119AC_SUBST(LIBUNBOUND_AGE)
120
121
122cmdln="`echo $@ | sed -e 's/\\\\/\\\\\\\\/g' | sed -e 's/"/\\\\"/'g`"
123AC_DEFINE_UNQUOTED(CONFCMDLINE, ["$cmdln"], [Command line arguments used with configure])
124
125CFLAGS="$CFLAGS"
126AC_AIX
127if test "$ac_cv_header_minix_config_h" = "yes"; then
128	AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
129fi
130
131dnl
132dnl By default set prefix to /usr/local
133dnl
134case "$prefix" in
135        NONE)
136		prefix="/usr/local"
137        ;;
138esac
139case "$exec_prefix" in
140        NONE)
141		exec_prefix="$prefix"
142        ;;
143esac
144
145# are we on MinGW?
146if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
147else
148	if echo $host $target | grep mingw32 >/dev/null; then on_mingw="yes"
149	else on_mingw="no"; fi
150fi
151
152#
153# Determine configuration file
154# the eval is to evaluate shell expansion twice
155UNBOUND_SBIN_DIR=`eval echo "${sbindir}"`
156AC_SUBST(UNBOUND_SBIN_DIR)
157UNBOUND_SYSCONF_DIR=`eval echo "${sysconfdir}"`
158AC_SUBST(UNBOUND_SYSCONF_DIR)
159UNBOUND_LOCALSTATE_DIR=`eval echo "${localstatedir}"`
160AC_SUBST(UNBOUND_LOCALSTATE_DIR)
161if test $on_mingw = "no"; then
162  ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
163else
164  ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
165fi
166AC_ARG_WITH([conf_file],
167        AC_HELP_STRING([--with-conf-file=path],
168	[Pathname to the Unbound configuration file]),
169	[ub_conf_file="$withval"])
170AC_SUBST(ub_conf_file)
171ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
172AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
173ub_conf_dir=`AS_DIRNAME(["$ub_conf_file"])`
174AC_SUBST(ub_conf_dir)
175
176# Determine run, chroot directory and pidfile locations
177AC_ARG_WITH(run-dir,
178    AC_HELP_STRING([--with-run-dir=path],
179    [set default directory to chdir to (by default dir part of cfg file)]),
180    UNBOUND_RUN_DIR="$withval",
181if test $on_mingw = no; then
182    UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
183else
184    UNBOUND_RUN_DIR=""
185fi
186)
187AC_SUBST(UNBOUND_RUN_DIR)
188ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
189AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
190
191AC_ARG_WITH(chroot-dir,
192    AC_HELP_STRING([--with-chroot-dir=path],
193    [set default directory to chroot to (by default same as run-dir)]),
194    UNBOUND_CHROOT_DIR="$withval",
195if test $on_mingw = no; then
196    UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
197else
198    UNBOUND_CHROOT_DIR=""
199fi
200)
201AC_SUBST(UNBOUND_CHROOT_DIR)
202ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
203AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
204
205AC_ARG_WITH(share-dir,
206    AC_HELP_STRING([--with-share-dir=path],
207    [set default directory with shared data (by default same as share/unbound)]),
208    UNBOUND_SHARE_DIR="$withval",
209    UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
210AC_SUBST(UNBOUND_SHARE_DIR)
211AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
212
213AC_ARG_WITH(pidfile,
214    AC_HELP_STRING([--with-pidfile=filename],
215    [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
216    UNBOUND_PIDFILE="$withval",
217if test $on_mingw = no; then
218    UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
219else
220    UNBOUND_PIDFILE=""
221fi
222)
223AC_SUBST(UNBOUND_PIDFILE)
224ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
225AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
226
227AC_ARG_WITH(rootkey-file,
228    AC_HELP_STRING([--with-rootkey-file=filename],
229    [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
230    UNBOUND_ROOTKEY_FILE="$withval",
231if test $on_mingw = no; then
232    UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
233else
234    UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
235fi
236)
237AC_SUBST(UNBOUND_ROOTKEY_FILE)
238ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
239AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
240
241AC_ARG_WITH(rootcert-file,
242    AC_HELP_STRING([--with-rootcert-file=filename],
243    [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.]),
244    UNBOUND_ROOTCERT_FILE="$withval",
245if test $on_mingw = no; then
246    UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
247else
248    UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
249fi
250)
251AC_SUBST(UNBOUND_ROOTCERT_FILE)
252ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
253AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
254
255AC_ARG_WITH(username,
256    AC_HELP_STRING([--with-username=user],
257    [set default user that unbound changes to (default user is unbound)]),
258    UNBOUND_USERNAME="$withval",
259    UNBOUND_USERNAME="unbound")
260AC_SUBST(UNBOUND_USERNAME)
261AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
262
263AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
264ACX_RSRC_VERSION(wnvs)
265AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
266
267# Checks for typedefs, structures, and compiler characteristics.
268AC_C_CONST
269AC_LANG_C
270# allow user to override the -g -O2 flags.
271default_cflags=no
272if test "x$CFLAGS" = "x" ; then
273ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
274ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
275default_cflags=yes
276fi
277AC_PROG_CC
278ACX_DEPFLAG
279ACX_DETERMINE_EXT_FLAGS_UNBOUND
280
281# debug mode flags warnings
282AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
283AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
284if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
285else debug_enabled="$enable_checking"; fi
286AC_SUBST(debug_enabled)
287case "$debug_enabled" in
288        yes)
289		ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
290		ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
291		ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
292		ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
293		AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
294		;;
295	no|*)
296		# nothing to do.
297		;;
298esac
299if test "$default_cflags" = "yes"; then
300	# only when CFLAGS was "" at the start, if the users wants to
301	# override we shouldn't add default cflags, because they wouldn't
302	# be able to turn off these options and set the CFLAGS wanted.
303	ACX_CHECK_FLTO
304	ACX_CHECK_PIE
305	ACX_CHECK_RELRO_NOW
306fi
307
308AC_C_INLINE
309ACX_CHECK_FORMAT_ATTRIBUTE
310ACX_CHECK_UNUSED_ATTRIBUTE
311
312AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
313[AC_REQUIRE([AC_PROG_CC])
314AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "weak" attribute)
315AC_CACHE_VAL(ac_cv_c_weak_attribute,
316[ac_cv_c_weak_attribute=no
317AC_TRY_COMPILE(
318[ #include <stdio.h>
319__attribute__((weak)) void f(int x) { printf("%d", x); }
320], [
321   f(1);
322],
323[ac_cv_c_weak_attribute="yes"],
324[ac_cv_c_weak_attribute="no"])
325])
326
327AC_MSG_RESULT($ac_cv_c_weak_attribute)
328if test $ac_cv_c_weak_attribute = yes; then
329  AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
330  AC_DEFINE(ATTR_WEAK, [__attribute__((weak))], [apply the weak attribute to a symbol])
331fi
332])dnl End of CHECK_WEAK_ATTRIBUTE
333
334CHECK_WEAK_ATTRIBUTE
335
336AC_DEFUN([CHECK_NORETURN_ATTRIBUTE],
337[AC_REQUIRE([AC_PROG_CC])
338AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "noreturn" attribute)
339AC_CACHE_VAL(ac_cv_c_noreturn_attribute,
340[ac_cv_c_noreturn_attribute=no
341AC_TRY_COMPILE(
342[ #include <stdio.h>
343__attribute__((noreturn)) void f(int x) { printf("%d", x); }
344], [
345   f(1);
346],
347[ac_cv_c_noreturn_attribute="yes"],
348[ac_cv_c_noreturn_attribute="no"])
349])
350
351AC_MSG_RESULT($ac_cv_c_noreturn_attribute)
352if test $ac_cv_c_noreturn_attribute = yes; then
353  AC_DEFINE(HAVE_ATTR_NORETURN, 1, [Whether the C compiler accepts the "noreturn" attribute])
354  AC_DEFINE(ATTR_NORETURN, [__attribute__((__noreturn__))], [apply the noreturn attribute to a function that exits the program])
355fi
356])dnl End of CHECK_NORETURN_ATTRIBUTE
357
358CHECK_NORETURN_ATTRIBUTE
359
360if test "$srcdir" != "."; then
361	CPPFLAGS="$CPPFLAGS -I$srcdir"
362fi
363
364AC_DEFUN([ACX_YYLEX_DESTROY], [
365	AC_MSG_CHECKING([for yylex_destroy])
366	if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
367		AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
368		AC_MSG_RESULT(yes)
369	else AC_MSG_RESULT(no);
370		LEX=":"
371	fi
372])
373
374AC_DEFUN([ACX_YYLEX_OPTION], [
375	AC_MSG_CHECKING([for lex %option])
376	if cat <<EOF | $LEX -t 2>&1 | grep yy_delete_buffer >/dev/null 2>&1; then
377%option nounput
378%%
379EOF
380		AC_MSG_RESULT(yes)
381	else AC_MSG_RESULT(no);
382		LEX=":"
383	fi
384])
385
386AC_PROG_LEX
387if test "$LEX" != "" -a "$LEX" != ":"; then
388ACX_YYLEX_DESTROY
389fi
390if test "$LEX" != "" -a "$LEX" != ":"; then
391ACX_YYLEX_OPTION
392fi
393AC_PROG_YACC
394AC_CHECK_PROG(doxygen, doxygen, doxygen)
395AC_CHECK_TOOL(STRIP, strip)
396ACX_LIBTOOL_C_ONLY
397
398PKG_PROG_PKG_CONFIG
399
400# Checks for header files.
401AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h sys/endian.h libkern/OSByteOrder.h sys/ipc.h sys/shm.h],,, [AC_INCLUDES_DEFAULT])
402
403# Check for Apple header. This uncovers TARGET_OS_IPHONE, TARGET_OS_TV or TARGET_OS_WATCH
404AC_CHECK_HEADERS([TargetConditionals.h])
405
406# check for types.
407# Using own tests for int64* because autoconf builtin only give 32bit.
408AC_CHECK_TYPE(int8_t, signed char)
409AC_CHECK_TYPE(int16_t, short)
410AC_CHECK_TYPE(int32_t, int)
411AC_CHECK_TYPE(int64_t, long long)
412AC_CHECK_TYPE(uint8_t, unsigned char)
413AC_CHECK_TYPE(uint16_t, unsigned short)
414AC_CHECK_TYPE(uint32_t, unsigned int)
415AC_CHECK_TYPE(uint64_t, unsigned long long)
416AC_TYPE_SIZE_T
417AC_CHECK_TYPE(ssize_t, int)
418AC_TYPE_UID_T
419AC_TYPE_PID_T
420AC_TYPE_OFF_T
421ACX_TYPE_U_CHAR
422ACX_TYPE_RLIM_T
423ACX_TYPE_SOCKLEN_T
424ACX_TYPE_IN_ADDR_T
425ACX_TYPE_IN_PORT_T
426ACX_CHECK_MEMCMP_SIGNED
427
428AC_CHECK_SIZEOF(time_t,,[
429AC_INCLUDES_DEFAULT
430#ifdef TIME_WITH_SYS_TIME
431# include <sys/time.h>
432# include <time.h>
433#else
434# ifdef HAVE_SYS_TIME_H
435#  include <sys/time.h>
436# else
437#  include <time.h>
438# endif
439#endif
440])
441AC_CHECK_SIZEOF(size_t)
442
443# add option to disable the evil rpath
444ACX_ARG_RPATH
445AC_SUBST(RUNTIME_PATH)
446
447# check to see if libraries are needed for these functions.
448AC_SEARCH_LIBS([inet_pton], [nsl])
449AC_SEARCH_LIBS([socket], [socket])
450
451# check wether strptime also works
452AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
453[AC_REQUIRE([AC_PROG_CC])
454AC_MSG_CHECKING(whether strptime works)
455if test c${cross_compiling} = cno; then
456AC_RUN_IFELSE([AC_LANG_SOURCE([[
457#define _XOPEN_SOURCE 600
458#include <time.h>
459int main(void) { struct tm tm; char *res;
460res = 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);
461if (!res) return 2;
462res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
463if (!res) return 1; return 0; }
464]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
465else
466eval "ac_cv_c_strptime_works=maybe"
467fi
468AC_MSG_RESULT($ac_cv_c_strptime_works)
469if test $ac_cv_c_strptime_works = no; then
470AC_LIBOBJ(strptime)
471else
472AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
473fi
474])dnl
475
476# check some functions of the OS before linking libs (while still runnable).
477AC_FUNC_CHOWN
478AC_FUNC_FORK
479AC_TYPE_SIGNAL
480AC_FUNC_FSEEKO
481ACX_SYS_LARGEFILE
482ACX_CHECK_NONBLOCKING_BROKEN
483ACX_MKDIR_ONE_ARG
484AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
485
486# check if we can use SO_REUSEPORT
487if echo "$host" | $GREP -i -e linux -e dragonfly >/dev/null; then
488	AC_DEFINE(REUSEPORT_DEFAULT, 1, [if REUSEPORT is enabled by default])
489else
490	AC_DEFINE(REUSEPORT_DEFAULT, 0, [if REUSEPORT is enabled by default])
491fi
492
493# Include systemd.m4 - begin
494sinclude(systemd.m4)
495# Include systemd.m4 - end
496
497# set memory allocation checking if requested
498AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
499	[ enable to memory allocation statistics, for debug purposes ]),
500	, )
501AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
502	[ enable for lightweight alloc assertions, for debug purposes ]),
503	, )
504AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
505	[ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
506	, )
507if test x_$enable_alloc_nonregional = x_yes; then
508	AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
509fi
510if test x_$enable_alloc_checks = x_yes; then
511	AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
512	SLDNS_ALLOCCHECK_EXTRA_OBJ="alloc.lo log.lo"
513	AC_SUBST(SLDNS_ALLOCCHECK_EXTRA_OBJ)
514	ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ="alloc.lo"
515	AC_SUBST(ASYNCLOOK_ALLOCCHECK_EXTRA_OBJ)
516else
517	if test x_$enable_alloc_lite = x_yes; then
518		AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
519	else
520		ACX_FUNC_MALLOC([unbound])
521	fi
522fi
523
524# check windows threads (we use them, not pthreads, on windows).
525if test "$on_mingw" = "yes"; then
526# check windows threads
527	AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
528	AC_MSG_CHECKING([for CreateThread])
529	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
530#ifdef HAVE_WINDOWS_H
531#include <windows.h>
532#endif
533], [
534	HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
535])],
536	AC_MSG_RESULT(yes)
537	AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
538,
539	AC_MSG_RESULT(no)
540)
541
542else
543# not on mingw, check thread libraries.
544
545# check for thread library.
546# check this first, so that the pthread lib does not get linked in via
547# libssl or libpython, and thus distorts the tests, and we end up using
548# the non-threadsafe C libraries.
549AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
550 [use pthreads library, or --without-pthreads to disable threading support.]),
551 [ ],[ withval="yes" ])
552ub_have_pthreads=no
553if test x_$withval != x_no; then
554	AX_PTHREAD([
555		AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
556		if test -n "$PTHREAD_LIBS"; then
557		  LIBS="$PTHREAD_LIBS $LIBS"
558		fi
559		CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
560		CC="$PTHREAD_CC"
561		ub_have_pthreads=yes
562		AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
563
564		if echo "$CFLAGS" | $GREP -e "-pthread" >/dev/null; then
565		AC_MSG_CHECKING([if -pthread unused during linking])
566		# catch clang warning 'argument unused during compilation'
567		AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
568[[
569int main(void) {return 0;}
570]])])
571		pthread_unused="yes"
572		# first compile
573		echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
574		$CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
575		if test $? = 0; then
576			# then link
577			echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
578			$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
579			if test $? -ne 0; then
580				AC_MSG_RESULT(yes)
581				CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
582				PTHREAD_CFLAGS_ONLY="-pthread"
583				AC_SUBST(PTHREAD_CFLAGS_ONLY)
584			else
585				AC_MSG_RESULT(no)
586			fi
587		else
588			AC_MSG_RESULT(no)
589		fi # endif cc successful
590		rm -f conftest conftest.c conftest.o
591		fi # endif -pthread in CFLAGS
592
593		])
594fi
595
596# check solaris thread library
597AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
598	[use solaris native thread library.]), [ ],[ withval="no" ])
599ub_have_sol_threads=no
600if test x_$withval != x_no; then
601	if test x_$ub_have_pthreads != x_no; then
602	    AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
603	else
604	AC_SEARCH_LIBS(thr_create, [thread],
605	[
606    		AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
607
608		ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
609			[CFLAGS="$CFLAGS -D_REENTRANT"])
610		ub_have_sol_threads=yes
611	] , [
612		AC_ERROR([no solaris threads found.])
613	])
614	fi
615fi
616
617fi # end of non-mingw check of thread libraries
618
619# Check for SYSLOG_FACILITY
620AC_ARG_WITH(syslog-facility, AC_HELP_STRING([--with-syslog-facility=LOCAL0 - LOCAL7], [ set SYSLOG_FACILITY, default DAEMON ]),
621	[ UNBOUND_SYSLOG_FACILITY="$withval" ], [])
622case "${UNBOUND_SYSLOG_FACILITY}" in
623
624  LOCAL[[0-7]]) UNBOUND_SYSLOG_FACILITY="LOG_${UNBOUND_SYSLOG_FACILITY}" ;;
625
626           *) UNBOUND_SYSLOG_FACILITY="LOG_DAEMON" ;;
627
628esac
629AC_DEFINE_UNQUOTED(UB_SYSLOG_FACILITY,${UNBOUND_SYSLOG_FACILITY},[the SYSLOG_FACILITY to use, default LOG_DAEMON])
630
631# Check for dynamic library module
632AC_ARG_WITH(dynlibmodule,
633   AC_HELP_STRING([--with-dynlibmodule],
634   [build dynamic library module, or --without-dynlibmodule to disable it. (default=no)]),
635   [], [ withval="no" ])
636
637if test x_$withval != x_no; then
638  AC_DEFINE(WITH_DYNLIBMODULE, 1, [Define if you want dynlib module.])
639  WITH_DYNLIBMODULE=yes
640  AC_SUBST(WITH_DYNLIBMODULE)
641  DYNLIBMOD_OBJ="dynlibmod.lo"
642  AC_SUBST(DYNLIBMOD_OBJ)
643  DYNLIBMOD_HEADER='$(srcdir)/dynlibmod/dynlibmod.h'
644  AC_SUBST(DYNLIBMOD_HEADER)
645  if test $on_mingw = "no"; then
646    DYNLIBMOD_EXTRALIBS="-ldl -export-dynamic"
647  else
648    DYNLIBMOD_EXTRALIBS="-Wl,--export-all-symbols,--out-implib,libunbound.a"
649  fi
650  AC_SUBST(DYNLIBMOD_EXTRALIBS)
651fi
652
653# Check for PyUnbound
654AC_ARG_WITH(pyunbound,
655   AC_HELP_STRING([--with-pyunbound],
656   [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
657   [], [ withval="no" ])
658
659ub_test_python=no
660ub_with_pyunbound=no
661if test x_$withval != x_no; then
662   ub_with_pyunbound=yes
663   ub_test_python=yes
664fi
665
666# Check for Python module
667AC_ARG_WITH(pythonmodule,
668   AC_HELP_STRING([--with-pythonmodule],
669   [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
670   [], [ withval="no" ])
671
672ub_with_pythonmod=no
673if test x_$withval != x_no; then
674   ub_with_pythonmod=yes
675   ub_test_python=yes
676fi
677
678# Check for Python & SWIG only on PyUnbound or PyModule
679if test x_$ub_test_python != x_no; then
680
681   # Check for Python
682   ub_have_python=no
683   ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
684   AC_PYTHON_DEVEL
685   if test ! -z "$PYTHON_VERSION"; then
686	if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
687		AC_ERROR([Python version >= 2.4.0 is required])
688	fi
689
690      [PY_MAJOR_VERSION="`$PYTHON -c \"import sys; print(sys.version_info[0])\"`"]
691      AC_SUBST(PY_MAJOR_VERSION)
692      # Have Python
693      AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
694      if test -n "$LIBS"; then
695        LIBS="$PYTHON_LDFLAGS $LIBS"
696      else
697        LIBS="$PYTHON_LDFLAGS"
698      fi
699      if test -n "$CPPFLAGS"; then
700        CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
701      else
702        CPPFLAGS="$PYTHON_CPPFLAGS"
703      fi
704      if test "$PYTHON_LIBDIR" != "/usr/lib" -a "$PYTHON_LIBDIR" != "" -a "$PYTHON_LIBDIR" != "/usr/lib64"; then
705        ACX_RUNTIME_PATH_ADD([$PYTHON_LIBDIR])
706      fi
707      ub_have_python=yes
708      PKG_CHECK_EXISTS(["python${PY_MAJOR_VERSION}"],
709                       [PC_PY_DEPENDENCY="python${PY_MAJOR_VERSION}"],
710                       [PC_PY_DEPENDENCY="python"])
711      AC_SUBST(PC_PY_DEPENDENCY)
712
713      # Check for SWIG
714      ub_have_swig=no
715      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]))
716      if test "$enable_swig_version_check" = "yes"; then
717      	AC_PROG_SWIG(2.0.1)
718      else
719      	AC_PROG_SWIG
720      fi
721      AC_MSG_CHECKING(SWIG)
722      if test ! -x "$SWIG"; then
723         AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
724      else
725         AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
726         AC_SUBST(swig, "$SWIG")
727         AC_MSG_RESULT(present)
728
729         # If have Python & SWIG
730         # Declare PythonMod
731         if test x_$ub_with_pythonmod != x_no; then
732            AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
733            WITH_PYTHONMODULE=yes
734            AC_SUBST(WITH_PYTHONMODULE)
735	    PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
736	    AC_SUBST(PYTHONMOD_OBJ)
737	    PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
738	    AC_SUBST(PYTHONMOD_HEADER)
739	    PYTHONMOD_INSTALL=pythonmod-install
740	    AC_SUBST(PYTHONMOD_INSTALL)
741	    PYTHONMOD_UNINSTALL=pythonmod-uninstall
742	    AC_SUBST(PYTHONMOD_UNINSTALL)
743         fi
744
745         # Declare PyUnbound
746         if test x_$ub_with_pyunbound != x_no; then
747            AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
748            WITH_PYUNBOUND=yes
749            AC_SUBST(WITH_PYUNBOUND)
750	    PYUNBOUND_OBJ="libunbound_wrap.lo"
751	    AC_SUBST(PYUNBOUND_OBJ)
752	    PYUNBOUND_TARGET="_unbound.la"
753	    AC_SUBST(PYUNBOUND_TARGET)
754	    PYUNBOUND_INSTALL=pyunbound-install
755	    AC_SUBST(PYUNBOUND_INSTALL)
756	    PYUNBOUND_UNINSTALL=pyunbound-uninstall
757	    AC_SUBST(PYUNBOUND_UNINSTALL)
758         fi
759      fi
760   else
761      AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
762      ub_with_pyunbound=no
763      ub_with_pythonmod=no
764   fi
765fi
766
767if test "`uname`" = "NetBSD"; then
768	NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
769	AC_SUBST(NETBSD_LINTFLAGS)
770fi
771CONFIG_DATE=`date +%Y%m%d`
772AC_SUBST(CONFIG_DATE)
773
774# Checks for libraries.
775
776# libnss
777USE_NSS="no"
778AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
779	[use libnss instead of openssl, installed at path.]),
780	[
781	USE_NSS="yes"
782	AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
783	if test "$withval" != "" -a "$withval" != "yes"; then
784		CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
785		LDFLAGS="$LDFLAGS -L$withval/lib"
786		ACX_RUNTIME_PATH_ADD([$withval/lib])
787		CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
788	else
789		CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
790		CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
791	fi
792        LIBS="$LIBS -lnss3 -lnspr4"
793	SSLLIB=""
794	PC_CRYPTO_DEPENDENCY="nss nspr"
795	AC_SUBST(PC_CRYPTO_DEPENDENCY)
796	]
797)
798
799# libnettle
800USE_NETTLE="no"
801AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
802	[use libnettle as crypto library, installed at path.]),
803	[
804	USE_NETTLE="yes"
805	AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
806	AC_CHECK_HEADERS([nettle/dsa-compat.h],,, [AC_INCLUDES_DEFAULT])
807	if test "$withval" != "" -a "$withval" != "yes"; then
808		CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
809		LDFLAGS="$LDFLAGS -L$withval/lib"
810		ACX_RUNTIME_PATH_ADD([$withval/lib])
811	else
812		CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
813	fi
814        LIBS="$LIBS -lhogweed -lnettle -lgmp"
815	SSLLIB=""
816	PC_CRYPTO_DEPENDENCY="hogweed nettle"
817	AC_SUBST(PC_CRYPTO_DEPENDENCY)
818	]
819)
820
821# openssl
822if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
823ACX_WITH_SSL
824ACX_LIB_SSL
825SSLLIB="-lssl"
826
827PC_CRYPTO_DEPENDENCY="libcrypto libssl"
828AC_SUBST(PC_CRYPTO_DEPENDENCY)
829
830# check if -lcrypt32 is needed because CAPIENG needs that. (on windows)
831BAKLIBS="$LIBS"
832LIBS="-lssl $LIBS"
833AC_MSG_CHECKING([if libssl needs -lcrypt32])
834AC_TRY_LINK_FUNC([HMAC_Update], [
835	AC_MSG_RESULT([no])
836	LIBS="$BAKLIBS"
837], [
838	AC_MSG_RESULT([yes])
839	LIBS="$BAKLIBS"
840	LIBS="$LIBS -lcrypt32"
841])
842
843AC_MSG_CHECKING([for LibreSSL])
844if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
845	AC_MSG_RESULT([yes])
846	AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
847	# libressl provides these compat functions, but they may also be
848	# declared by the OS in libc.  See if they have been declared.
849	AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform])
850else
851	AC_MSG_RESULT([no])
852fi
853AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h openssl/core_names.h],,, [AC_INCLUDES_DEFAULT])
854AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ENGINE_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify EVP_aes_256_cbc EVP_EncryptInit_ex HMAC_Init_ex CRYPTO_THREADID_set_callback])
855
856# these check_funcs need -lssl
857BAKLIBS="$LIBS"
858LIBS="-lssl $LIBS"
859AC_CHECK_FUNCS([OPENSSL_init_ssl SSL_CTX_set_security_level SSL_set1_host SSL_get0_peername X509_VERIFY_PARAM_set1_host SSL_CTX_set_ciphersuites SSL_CTX_set_tlsext_ticket_key_evp_cb])
860LIBS="$BAKLIBS"
861
862AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
863AC_INCLUDES_DEFAULT
864#ifdef HAVE_OPENSSL_ERR_H
865#include <openssl/err.h>
866#endif
867
868#ifdef HAVE_OPENSSL_RAND_H
869#include <openssl/rand.h>
870#endif
871
872#ifdef HAVE_OPENSSL_CONF_H
873#include <openssl/conf.h>
874#endif
875
876#ifdef HAVE_OPENSSL_ENGINE_H
877#include <openssl/engine.h>
878#endif
879#include <openssl/ssl.h>
880#include <openssl/evp.h>
881])
882
883if test "$ac_cv_func_HMAC_Init_ex" = "yes"; then
884# check function return type.
885AC_MSG_CHECKING(the return type of HMAC_Init_ex)
886AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
887#ifdef HAVE_OPENSSL_ERR_H
888#include <openssl/err.h>
889#endif
890
891#ifdef HAVE_OPENSSL_RAND_H
892#include <openssl/rand.h>
893#endif
894
895#ifdef HAVE_OPENSSL_CONF_H
896#include <openssl/conf.h>
897#endif
898
899#ifdef HAVE_OPENSSL_ENGINE_H
900#include <openssl/engine.h>
901#endif
902#include <openssl/ssl.h>
903#include <openssl/evp.h>
904], [
905	HMAC_CTX* hmac_ctx = NULL;
906	void* hmac_key = NULL;
907	const EVP_MD* digest = NULL;
908	int x = HMAC_Init_ex(hmac_ctx, hmac_key, 32, digest, NULL);
909	(void)x;
910])], [
911	AC_MSG_RESULT(int)
912], [
913	AC_MSG_RESULT(void)
914	AC_DEFINE([HMAC_INIT_EX_RETURNS_VOID], 1, [If HMAC_Init_ex() returns void])
915])
916fi
917
918fi
919AC_SUBST(SSLLIB)
920
921# libbsd
922AC_ARG_WITH([libbsd], AC_HELP_STRING([--with-libbsd], [Use portable libbsd functions]), [
923	AC_CHECK_HEADERS([bsd/string.h bsd/stdlib.h],,, [AC_INCLUDES_DEFAULT])
924	if test "x$ac_cv_header_bsd_string_h" = xyes -a "x$ac_cv_header_bsd_stdlib_h" = xyes; then
925		for func in strlcpy strlcat arc4random arc4random_uniform reallocarray; do
926			AC_SEARCH_LIBS([$func], [bsd], [
927				AC_DEFINE(HAVE_LIBBSD, 1, [Use portable libbsd functions])
928				PC_LIBBSD_DEPENDENCY=libbsd
929				AC_SUBST(PC_LIBBSD_DEPENDENCY)
930			])
931		done
932	fi
933])
934
935AC_ARG_ENABLE(sha1, AC_HELP_STRING([--disable-sha1], [Disable SHA1 RRSIG support, does not disable nsec3 support]))
936case "$enable_sha1" in
937	no)
938	;;
939	yes|*)
940	AC_DEFINE([USE_SHA1], [1], [Define this to enable SHA1 support.])
941	;;
942esac
943
944
945AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
946case "$enable_sha2" in
947	no)
948	;;
949	yes|*)
950	AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
951	;;
952esac
953
954AC_ARG_ENABLE(subnet, AC_HELP_STRING([--enable-subnet], [Enable client subnet]))
955case "$enable_subnet" in
956	yes)
957	AC_DEFINE([CLIENT_SUBNET], [1], [Define this to enable client subnet option.])
958	SUBNET_OBJ="edns-subnet.lo subnetmod.lo addrtree.lo subnet-whitelist.lo"
959	AC_SUBST(SUBNET_OBJ)
960	SUBNET_HEADER='$(srcdir)/edns-subnet/subnetmod.h $(srcdir)/edns-subnet/edns-subnet.h $(srcdir)/edns-subnet/subnet-whitelist.h $(srcdir)/edns-subnet/addrtree.h'
961	AC_SUBST(SUBNET_HEADER)
962	;;
963	no|*)
964	;;
965esac
966
967# check wether gost also works
968AC_DEFUN([AC_CHECK_GOST_WORKS],
969[AC_REQUIRE([AC_PROG_CC])
970AC_MSG_CHECKING([if GOST works])
971if test c${cross_compiling} = cno; then
972BAKCFLAGS="$CFLAGS"
973if test -n "$ssldir"; then
974	CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
975fi
976AC_RUN_IFELSE([AC_LANG_SOURCE([[
977#include <string.h>
978#include <openssl/ssl.h>
979#include <openssl/evp.h>
980#include <openssl/engine.h>
981#include <openssl/conf.h>
982/* routine to load gost (from sldns) */
983int load_gost_id(void)
984{
985	static int gost_id = 0;
986	const EVP_PKEY_ASN1_METHOD* meth;
987	ENGINE* e;
988
989	if(gost_id) return gost_id;
990
991	/* see if configuration loaded gost implementation from other engine*/
992	meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
993	if(meth) {
994		EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
995		return gost_id;
996	}
997
998	/* see if engine can be loaded already */
999	e = ENGINE_by_id("gost");
1000	if(!e) {
1001		/* load it ourself, in case statically linked */
1002		ENGINE_load_builtin_engines();
1003		ENGINE_load_dynamic();
1004		e = ENGINE_by_id("gost");
1005	}
1006	if(!e) {
1007		/* no gost engine in openssl */
1008		return 0;
1009	}
1010	if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1011		ENGINE_finish(e);
1012		ENGINE_free(e);
1013		return 0;
1014	}
1015
1016	meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
1017	if(!meth) {
1018		/* algo not found */
1019		ENGINE_finish(e);
1020		ENGINE_free(e);
1021		return 0;
1022	}
1023	EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
1024	return gost_id;
1025}
1026int main(void) {
1027	EVP_MD_CTX* ctx;
1028	const EVP_MD* md;
1029	unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
1030	const char* str = "Hello world";
1031	const unsigned char check[] = {
1032		0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
1033		0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
1034		0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
1035		0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
1036	};
1037	OPENSSL_config(NULL);
1038	(void)load_gost_id();
1039	md = EVP_get_digestbyname("md_gost94");
1040	if(!md) return 1;
1041	memset(digest, 0, sizeof(digest));
1042	ctx = EVP_MD_CTX_create();
1043	if(!ctx) return 2;
1044	if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
1045	if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
1046	if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
1047	/* uncomment to see the hash calculated.
1048		{int i;
1049		for(i=0; i<32; i++)
1050			printf(" %2.2x", (int)digest[i]);
1051		printf("\n");}
1052	*/
1053	if(memcmp(digest, check, sizeof(check)) != 0)
1054		return 6;
1055	return 0;
1056}
1057]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
1058CFLAGS="$BAKCFLAGS"
1059else
1060eval "ac_cv_c_gost_works=maybe"
1061fi
1062AC_MSG_RESULT($ac_cv_c_gost_works)
1063])dnl
1064
1065AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
1066use_gost="no"
1067if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1068case "$enable_gost" in
1069	no)
1070	;;
1071	*)
1072	AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
1073	AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
1074	AC_CHECK_GOST_WORKS
1075	if test "$ac_cv_c_gost_works" != no; then
1076		use_gost="yes"
1077		AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
1078	fi
1079	;;
1080esac
1081fi dnl !USE_NSS && !USE_NETTLE
1082
1083AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
1084use_ecdsa="no"
1085case "$enable_ecdsa" in
1086    no)
1087      ;;
1088    *)
1089      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1090	      AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
1091	      AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
1092	      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
1093#include <openssl/evp.h>
1094	      ])
1095	      # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
1096	      AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
1097	      if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
1098		if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
1099		  AC_MSG_RESULT([no])
1100		  AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
1101		else
1102		  AC_MSG_RESULT([yes])
1103		fi
1104	      else
1105		# not OpenSSL, thus likely LibreSSL, which supports it
1106		AC_MSG_RESULT([yes])
1107	      fi
1108      fi
1109      # we now know we have ECDSA and the required curves.
1110      AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
1111      use_ecdsa="yes"
1112      ;;
1113esac
1114
1115AC_ARG_ENABLE(dsa, AC_HELP_STRING([--disable-dsa], [Disable DSA support]))
1116use_dsa="no"
1117case "$enable_dsa" in
1118    yes)
1119      # detect if DSA is supported, and turn it off if not.
1120      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1121      AC_CHECK_FUNC(DSA_SIG_new, [
1122      AC_CHECK_TYPE(DSA_SIG*, [
1123      AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
1124      ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
1125               fi ], [
1126AC_INCLUDES_DEFAULT
1127#ifdef HAVE_OPENSSL_ERR_H
1128#include <openssl/err.h>
1129#endif
1130
1131#ifdef HAVE_OPENSSL_RAND_H
1132#include <openssl/rand.h>
1133#endif
1134
1135#ifdef HAVE_OPENSSL_CONF_H
1136#include <openssl/conf.h>
1137#endif
1138
1139#ifdef HAVE_OPENSSL_ENGINE_H
1140#include <openssl/engine.h>
1141#endif
1142      ])
1143      ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
1144               fi ])
1145      else
1146      AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
1147      fi
1148      ;;
1149    *)
1150      # disable dsa by default, RFC 8624 section 3.1, validators MUST NOT
1151      # support DSA for DNSSEC Validation.
1152      ;;
1153esac
1154
1155AC_ARG_ENABLE(ed25519, AC_HELP_STRING([--disable-ed25519], [Disable ED25519 support]))
1156use_ed25519="no"
1157case "$enable_ed25519" in
1158    no)
1159      ;;
1160    *)
1161      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1162	      AC_CHECK_DECLS([NID_ED25519], [
1163      		use_ed25519="yes"
1164	      ], [ if test "x$enable_ed25519" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support ED25519 and you used --enable-ed25519.])
1165	      	fi ], [AC_INCLUDES_DEFAULT
1166#include <openssl/evp.h>
1167	      ])
1168      fi
1169      if test $USE_NETTLE = "yes"; then
1170		AC_CHECK_HEADERS([nettle/eddsa.h], use_ed25519="yes",, [AC_INCLUDES_DEFAULT])
1171      fi
1172      if test $use_ed25519 = "yes"; then
1173      		AC_DEFINE_UNQUOTED([USE_ED25519], [1], [Define this to enable ED25519 support.])
1174      fi
1175      ;;
1176esac
1177
1178AC_ARG_ENABLE(ed448, AC_HELP_STRING([--disable-ed448], [Disable ED448 support]))
1179use_ed448="no"
1180case "$enable_ed448" in
1181    no)
1182      ;;
1183    *)
1184      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
1185	      AC_CHECK_DECLS([NID_ED448], [
1186      		use_ed448="yes"
1187	      ], [ if test "x$enable_ed448" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support ED448 and you used --enable-ed448.])
1188	      	fi ], [AC_INCLUDES_DEFAULT
1189#include <openssl/evp.h>
1190	      ])
1191      fi
1192      if test $use_ed448 = "yes"; then
1193      		AC_DEFINE_UNQUOTED([USE_ED448], [1], [Define this to enable ED448 support.])
1194      fi
1195      ;;
1196esac
1197
1198AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) pluggable event base libunbound API installed to unbound-event.h]))
1199case "$enable_event_api" in
1200    yes)
1201      AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
1202      AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
1203      ;;
1204    *)
1205      ;;
1206esac
1207
1208AC_ARG_ENABLE(tfo-client, AC_HELP_STRING([--enable-tfo-client], [Enable TCP Fast Open for client mode]))
1209case "$enable_tfo_client" in
1210	yes)
1211		case `uname` in
1212			Linux) AC_CHECK_DECL([MSG_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
1213			                     [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
1214			                     [AC_INCLUDES_DEFAULT
1215#include <netinet/tcp.h>
1216])
1217					AC_DEFINE_UNQUOTED([USE_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
1218			  ;;
1219			Darwin) AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
1220			                      [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
1221			                      [AC_INCLUDES_DEFAULT
1222#include <sys/socket.h>
1223])
1224					AC_DEFINE_UNQUOTED([USE_OSX_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
1225			  ;;
1226		esac
1227	;;
1228	no|*)
1229		;;
1230esac
1231
1232AC_ARG_ENABLE(tfo-server, AC_HELP_STRING([--enable-tfo-server], [Enable TCP Fast Open for server mode]))
1233case "$enable_tfo_server" in
1234	yes)
1235	      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
1236#include <netinet/tcp.h>
1237	      ])
1238		AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable server TCP Fast Open.])
1239		;;
1240	no|*)
1241		;;
1242esac
1243
1244# check for libevent
1245AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
1246    [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.]),
1247    [ ],[ with_libevent="no" ])
1248if test "x_$with_libevent" != x_no; then
1249        AC_DEFINE([USE_LIBEVENT], [1], [Define if you enable libevent])
1250        AC_MSG_CHECKING(for libevent)
1251        if test "x_$with_libevent" = x_ -o "x_$with_libevent" = x_yes; then
1252            with_libevent="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1253        fi
1254        for dir in $with_libevent; do
1255            thedir="$dir"
1256            if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
1257                found_libevent="yes"
1258				dnl assume /usr is in default path.
1259				if test "$thedir" != "/usr"; then
1260				    CPPFLAGS="$CPPFLAGS -I$thedir/include"
1261				fi
1262				break;
1263		    fi
1264        done
1265        if test x_$found_libevent != x_yes; then
1266		if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
1267			# libevent source directory
1268			AC_MSG_RESULT(found in $thedir)
1269			CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
1270			BAK_LDFLAGS_SET="1"
1271			BAK_LDFLAGS="$LDFLAGS"
1272			# remove evdns from linking
1273			mkdir build >/dev/null 2>&1
1274			mkdir build/libevent >/dev/null 2>&1
1275			mkdir build/libevent/.libs >/dev/null 2>&1
1276			ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1277			ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
1278			ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1279			cp $ev_files_o build/libevent
1280			cp $ev_files_lo build/libevent
1281			cp $ev_files_libso build/libevent/.libs
1282			LATE_LDFLAGS="build/libevent/*.lo -lm"
1283			LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
1284		else
1285            AC_MSG_ERROR([Cannot find the libevent library in $with_libevent
1286You can restart ./configure --with-libevent=no to use a builtin alternative.
1287Please note that this alternative is not as capable as libevent when using
1288large outgoing port ranges.  ])
1289		fi
1290        else
1291            AC_MSG_RESULT(found in $thedir)
1292	    dnl if event2 exists and no event lib in dir itself, use subdir
1293	    if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
1294		    LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
1295		    ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
1296	    else
1297		    dnl assume /usr is in default path, do not add "".
1298		    if test "$thedir" != "/usr" -a "$thedir" != ""; then
1299			LDFLAGS="$LDFLAGS -L$thedir/lib"
1300			ACX_RUNTIME_PATH_ADD([$thedir/lib])
1301		    fi
1302	    fi
1303        fi
1304	# check for library used by libevent after 1.3c
1305	AC_SEARCH_LIBS([clock_gettime], [rt])
1306
1307	# is the event.h header libev or libevent?
1308	AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
1309	AC_CHECK_DECL(EV_VERSION_MAJOR, [
1310		AC_SEARCH_LIBS(event_set, [ev])
1311	],[
1312		AC_SEARCH_LIBS(event_set, [event])
1313	],[AC_INCLUDES_DEFAULT
1314#include <event.h>
1315	])
1316	AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
1317	AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
1318	AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
1319	AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
1320	AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
1321	AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
1322	AC_CHECK_FUNCS([event_assign]) # in libevent, for thread-safety
1323	AC_CHECK_DECLS([evsignal_assign], [], [], [AC_INCLUDES_DEFAULT
1324#ifdef HAVE_EVENT_H
1325#  include <event.h>
1326#else
1327#  include "event2/event.h"
1328#endif
1329	])
1330        PC_LIBEVENT_DEPENDENCY="libevent"
1331        AC_SUBST(PC_LIBEVENT_DEPENDENCY)
1332	if test -n "$BAK_LDFLAGS_SET"; then
1333		LDFLAGS="$BAK_LDFLAGS"
1334	fi
1335else
1336	AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
1337fi
1338
1339# check for libexpat
1340AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
1341    [specify explicit path for libexpat.]),
1342    [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
1343AC_MSG_CHECKING(for libexpat)
1344found_libexpat="no"
1345for dir in $withval ; do
1346            if test -f "$dir/include/expat.h"; then
1347		found_libexpat="yes"
1348		dnl assume /usr is in default path.
1349		if test "$dir" != "/usr"; then
1350                    CPPFLAGS="$CPPFLAGS -I$dir/include"
1351		    LDFLAGS="$LDFLAGS -L$dir/lib"
1352		fi
1353            	AC_MSG_RESULT(found in $dir)
1354                break;
1355            fi
1356done
1357if test x_$found_libexpat != x_yes; then
1358	AC_ERROR([Could not find libexpat, expat.h])
1359fi
1360AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
1361AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
1362#include <expat.h>
1363])
1364
1365# hiredis (redis C client for cachedb)
1366AC_ARG_WITH(libhiredis, AC_HELP_STRING([--with-libhiredis=path],
1367    [specify explicit path for libhiredis.]),
1368    [ ],[ withval="no" ])
1369found_libhiredis="no"
1370if test x_$withval = x_yes -o x_$withval != x_no; then
1371   AC_MSG_CHECKING(for libhiredis)
1372   if test x_$withval = x_ -o x_$withval = x_yes; then
1373            withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1374   fi
1375   for dir in $withval ; do
1376            if test -f "$dir/include/hiredis/hiredis.h"; then
1377		found_libhiredis="yes"
1378		dnl assume /usr is in default path.
1379		if test "$dir" != "/usr"; then
1380                    CPPFLAGS="$CPPFLAGS -I$dir/include"
1381		    LDFLAGS="$LDFLAGS -L$dir/lib"
1382		fi
1383		AC_MSG_RESULT(found in $dir)
1384		AC_DEFINE([USE_REDIS], [1], [Define this to use hiredis client.])
1385		LIBS="$LIBS -lhiredis"
1386                break;
1387            fi
1388    done
1389    if test x_$found_libhiredis != x_yes; then
1390	AC_ERROR([Could not find libhiredis, hiredis.h])
1391    fi
1392    AC_CHECK_HEADERS([hiredis/hiredis.h],,, [AC_INCLUDES_DEFAULT])
1393    AC_CHECK_DECLS([redisConnect], [], [], [AC_INCLUDES_DEFAULT
1394    #include <hiredis/hiredis.h>
1395    ])
1396fi
1397
1398# set static linking for uninstalled libraries if requested
1399AC_SUBST(staticexe)
1400staticexe=""
1401AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
1402	[ enable to compile executables statically against (event) uninstalled libs, for debug purposes ]),
1403	, )
1404if test x_$enable_static_exe = x_yes; then
1405	staticexe="-static"
1406	if test "$on_mingw" = yes; then
1407		staticexe="-all-static"
1408		# for static compile, include gdi32 and zlib here.
1409		if echo $LIBS | grep 'lgdi32' >/dev/null; then
1410			:
1411		else
1412			LIBS="$LIBS -lgdi32"
1413		fi
1414		LIBS="$LIBS -lz"
1415	fi
1416fi
1417
1418# set full static linking if requested
1419AC_ARG_ENABLE(fully-static, AC_HELP_STRING([--enable-fully-static],
1420	[ enable to compile fully static ]),
1421	, )
1422if test x_$enable_fully_static = x_yes; then
1423	staticexe="-all-static"
1424	if test "$on_mingw" = yes; then
1425		# for static compile, include gdi32 and zlib here.
1426		if echo $LIBS | grep 'lgdi32' >/dev/null; then
1427			:
1428		else
1429			LIBS="$LIBS -lgdi32"
1430		fi
1431		LIBS="$LIBS -lz"
1432	fi
1433fi
1434
1435# set lock checking if requested
1436AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
1437	[ enable to check lock and unlock calls, for debug purposes ]),
1438	, )
1439if test x_$enable_lock_checks = x_yes; then
1440	AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
1441	CHECKLOCK_OBJ="checklocks.lo"
1442	AC_SUBST(CHECKLOCK_OBJ)
1443fi
1444
1445ACX_CHECK_GETADDRINFO_WITH_INCLUDES
1446if test "$USE_WINSOCK" = 1; then
1447	AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
1448	AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
1449#include <windows.h>
1450	])
1451	AC_CHECK_TOOL(WINDRES, windres)
1452	LIBS="$LIBS -liphlpapi -lcrypt32"
1453	WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
1454	AC_SUBST(WINAPPS)
1455	WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
1456	AC_SUBST(WIN_DAEMON_SRC)
1457	WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
1458	AC_SUBST(WIN_DAEMON_OBJ)
1459	WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
1460	AC_SUBST(WIN_DAEMON_OBJ_LINK)
1461	WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
1462	AC_SUBST(WIN_HOST_OBJ_LINK)
1463	WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
1464	AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
1465	WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
1466	AC_SUBST(WIN_CONTROL_OBJ_LINK)
1467	WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
1468	AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
1469fi
1470if test $ac_cv_func_getaddrinfo = no; then
1471	AC_LIBOBJ([fake-rfc2553])
1472fi
1473# check after getaddrinfo for its libraries
1474ACX_FUNC_IOCTLSOCKET
1475
1476# see if daemon(3) exists, and if it is deprecated.
1477AC_CHECK_FUNCS([daemon])
1478if test $ac_cv_func_daemon = yes; then
1479	ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
1480#include <stdlib.h>
1481])
1482fi
1483
1484AC_CHECK_MEMBERS([struct sockaddr_un.sun_len],,,[
1485AC_INCLUDES_DEFAULT
1486#ifdef HAVE_SYS_UN_H
1487#include <sys/un.h>
1488#endif
1489])
1490AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
1491AC_INCLUDES_DEFAULT
1492#if HAVE_SYS_PARAM_H
1493#include <sys/param.h>
1494#endif
1495
1496#ifdef HAVE_SYS_SOCKET_H
1497#include <sys/socket.h>
1498#endif
1499
1500#ifdef HAVE_SYS_UIO_H
1501#include <sys/uio.h>
1502#endif
1503
1504#ifdef HAVE_NETINET_IN_H
1505#include <netinet/in.h>
1506#endif
1507
1508#ifdef HAVE_NETINET_TCP_H
1509#include <netinet/tcp.h>
1510#endif
1511
1512#ifdef HAVE_ARPA_INET_H
1513#include <arpa/inet.h>
1514#endif
1515
1516#ifdef HAVE_WINSOCK2_H
1517#include <winsock2.h>
1518#endif
1519
1520#ifdef HAVE_WS2TCPIP_H
1521#include <ws2tcpip.h>
1522#endif
1523])
1524
1525AC_MSG_CHECKING([for htobe64])
1526AC_LINK_IFELSE([AC_LANG_PROGRAM([
1527#include <stdio.h>
1528#ifdef HAVE_ENDIAN_H
1529#  include <endian.h>
1530#endif
1531#ifdef HAVE_SYS_ENDIAN_H
1532#  include <sys/endian.h>
1533#endif
1534], [unsigned long long x = htobe64(0); printf("%u", (unsigned)x);])],
1535  AC_MSG_RESULT(yes)
1536  AC_DEFINE(HAVE_HTOBE64, 1, [If we have htobe64]),
1537  AC_MSG_RESULT(no))
1538
1539AC_MSG_CHECKING([for be64toh])
1540AC_LINK_IFELSE([AC_LANG_PROGRAM([
1541#include <stdio.h>
1542#ifdef HAVE_ENDIAN_H
1543#  include <endian.h>
1544#endif
1545#ifdef HAVE_SYS_ENDIAN_H
1546#  include <sys/endian.h>
1547#endif
1548], [unsigned long long x = be64toh(0); printf("%u", (unsigned)x);])],
1549  AC_MSG_RESULT(yes)
1550  AC_DEFINE(HAVE_BE64TOH, 1, [If we have be64toh]),
1551  AC_MSG_RESULT(no))
1552
1553AC_SEARCH_LIBS([setusercontext], [util])
1554AC_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])
1555AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
1556AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
1557
1558# check if setreuid en setregid fail, on MacOSX10.4(darwin8).
1559if echo $target_os | grep darwin8 > /dev/null; then
1560	AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
1561fi
1562AC_CHECK_DECLS([inet_pton,inet_ntop], [], [], [
1563AC_INCLUDES_DEFAULT
1564#ifdef HAVE_NETINET_IN_H
1565#include <netinet/in.h>
1566#endif
1567
1568#ifdef HAVE_NETINET_TCP_H
1569#include <netinet/tcp.h>
1570#endif
1571
1572#ifdef HAVE_ARPA_INET_H
1573#include <arpa/inet.h>
1574#endif
1575
1576#ifdef HAVE_WINSOCK2_H
1577#include <winsock2.h>
1578#endif
1579
1580#ifdef HAVE_WS2TCPIP_H
1581#include <ws2tcpip.h>
1582#endif
1583])
1584AC_REPLACE_FUNCS(inet_aton)
1585AC_REPLACE_FUNCS(inet_pton)
1586AC_REPLACE_FUNCS(inet_ntop)
1587AC_REPLACE_FUNCS(snprintf)
1588# test if snprintf return the proper length
1589if test "x$ac_cv_func_snprintf" = xyes; then
1590    if test c${cross_compiling} = cno; then
1591	AC_MSG_CHECKING([for correct snprintf return value])
1592	AC_RUN_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1593[[
1594int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
1595]])], [AC_MSG_RESULT(yes)], [
1596		AC_MSG_RESULT(no)
1597		AC_DEFINE([SNPRINTF_RET_BROKEN], [], [define if (v)snprintf does not return length needed, (but length used)])
1598		AC_LIBOBJ(snprintf)
1599	  ])
1600    fi
1601fi
1602AC_REPLACE_FUNCS(strlcat)
1603AC_REPLACE_FUNCS(strlcpy)
1604AC_REPLACE_FUNCS(memmove)
1605AC_REPLACE_FUNCS(gmtime_r)
1606AC_REPLACE_FUNCS(isblank)
1607AC_REPLACE_FUNCS(explicit_bzero)
1608dnl without CTIME, ARC4-functions and without reallocarray.
1609LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
1610AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
1611AC_MSG_CHECKING([for reallocarray])
1612AC_LINK_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1613[[
1614#ifndef _OPENBSD_SOURCE
1615#define _OPENBSD_SOURCE 1
1616#endif
1617#include <stdlib.h>
1618int main(void) {
1619	void* p = reallocarray(NULL, 10, 100);
1620	free(p);
1621	return 0;
1622}
1623]])], [AC_MSG_RESULT(yes)
1624	AC_DEFINE(HAVE_REALLOCARRAY, 1, [If we have reallocarray(3)])
1625], [
1626	AC_MSG_RESULT(no)
1627	AC_LIBOBJ(reallocarray)
1628])
1629AC_CHECK_DECLS([reallocarray])
1630if test "$USE_NSS" = "no"; then
1631	AC_REPLACE_FUNCS(arc4random)
1632	AC_REPLACE_FUNCS(arc4random_uniform)
1633	if test "$ac_cv_func_arc4random" = "no"; then
1634		AC_LIBOBJ(arc4_lock)
1635		AC_CHECK_FUNCS([getentropy],,[
1636		    if test "$USE_WINSOCK" = 1; then
1637			AC_LIBOBJ(getentropy_win)
1638		    else
1639			case "$host" in
1640			Darwin|*darwin*)
1641				AC_LIBOBJ(getentropy_osx)
1642			;;
1643			*solaris*|*sunos*|SunOS)
1644				AC_LIBOBJ(getentropy_solaris)
1645				AC_CHECK_HEADERS([sys/sha2.h],, [
1646					AC_CHECK_FUNCS([SHA512_Update],,[
1647						AC_LIBOBJ(sha512)
1648					])
1649				], [AC_INCLUDES_DEFAULT])
1650				if test "$ac_cv_header_sys_sha2_h" = "yes"; then
1651					# this lib needed for sha2 on solaris
1652					LIBS="$LIBS -lmd"
1653				fi
1654				AC_SEARCH_LIBS([clock_gettime], [rt])
1655			;;
1656			*freebsd*|*FreeBSD)
1657				AC_LIBOBJ(getentropy_freebsd)
1658			;;
1659			*linux*|Linux|*)
1660				AC_LIBOBJ(getentropy_linux)
1661				AC_CHECK_FUNCS([SHA512_Update],,[
1662					AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
1663					AC_LIBOBJ(sha512)
1664				])
1665				AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
1666				AC_CHECK_FUNCS([getauxval])
1667				AC_SEARCH_LIBS([clock_gettime], [rt])
1668			;;
1669			esac
1670		    fi
1671		])
1672	fi
1673fi
1674LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
1675AC_SUBST(LIBOBJ_WITHOUT_CTIME)
1676AC_REPLACE_FUNCS(ctime_r)
1677AC_REPLACE_FUNCS(strsep)
1678
1679AC_ARG_ENABLE(allsymbols, AC_HELP_STRING([--enable-allsymbols], [export all symbols from libunbound and link binaries to it, smaller install size but libunbound export table is polluted by internal symbols]))
1680case "$enable_allsymbols" in
1681	yes)
1682	COMMON_OBJ_ALL_SYMBOLS=""
1683	UBSYMS=""
1684	EXTRALINK="-L. -L.libs -lunbound"
1685	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])
1686	;;
1687	no|*)
1688	COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
1689	UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
1690	EXTRALINK=""
1691	;;
1692esac
1693AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
1694AC_SUBST(EXTRALINK)
1695AC_SUBST(UBSYMS)
1696if test x_$enable_lock_checks = x_yes; then
1697	UBSYMS="-export-symbols clubsyms.def"
1698	cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
1699	echo lock_protect >> clubsyms.def
1700	echo lock_unprotect >> clubsyms.def
1701	echo lock_get_mem >> clubsyms.def
1702	echo checklock_start >> clubsyms.def
1703	echo checklock_stop >> clubsyms.def
1704	echo checklock_lock >> clubsyms.def
1705	echo checklock_unlock >> clubsyms.def
1706	echo checklock_init >> clubsyms.def
1707	echo checklock_thrcreate >> clubsyms.def
1708	echo checklock_thrjoin >> clubsyms.def
1709fi
1710
1711# check for dnstap if requested
1712dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
1713    [
1714        AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support])
1715        AC_SUBST([ENABLE_DNSTAP], [1])
1716
1717        AC_SUBST([opt_dnstap_socket_path])
1718        ACX_ESCAPE_BACKSLASH($opt_dnstap_socket_path, hdr_dnstap_socket_path)
1719        AC_DEFINE_UNQUOTED(DNSTAP_SOCKET_PATH,
1720            ["$hdr_dnstap_socket_path"], [default dnstap socket path])
1721	AC_SUBST(DNSTAP_SOCKET_PATH,["$hdr_dnstap_socket_path"])
1722
1723        AC_SUBST([DNSTAP_SRC], ["dnstap/dnstap.c dnstap/dnstap.pb-c.c dnstap/dnstap_fstrm.c dnstap/dtstream.c"])
1724        AC_SUBST([DNSTAP_OBJ], ["dnstap.lo dnstap.pb-c.lo dnstap_fstrm.lo dtstream.lo"])
1725    ],
1726    [
1727        AC_SUBST([ENABLE_DNSTAP], [0])
1728    ]
1729)
1730
1731# check for dnscrypt if requested
1732dnsc_DNSCRYPT([
1733        AC_DEFINE([USE_DNSCRYPT], [1], [Define to 1 to enable dnscrypt support])
1734        AC_SUBST([ENABLE_DNSCRYPT], [1])
1735
1736        AC_SUBST([DNSCRYPT_SRC], ["dnscrypt/dnscrypt.c"])
1737        AC_SUBST([DNSCRYPT_OBJ], ["dnscrypt.lo"])
1738    ],
1739    [
1740        AC_SUBST([ENABLE_DNSCRYPT], [0])
1741    ]
1742)
1743
1744# check for cachedb if requested
1745AC_ARG_ENABLE(cachedb, AC_HELP_STRING([--enable-cachedb], [enable cachedb module that can use external cache storage]))
1746# turn on cachedb when hiredis support is enabled.
1747if test "$found_libhiredis" = "yes"; then enable_cachedb="yes"; fi
1748case "$enable_cachedb" in
1749    yes)
1750    	AC_DEFINE([USE_CACHEDB], [1], [Define to 1 to use cachedb support])
1751    	;;
1752    no|*)
1753    	# nothing
1754    	;;
1755esac
1756
1757# check for ipsecmod if requested
1758AC_ARG_ENABLE(ipsecmod, AC_HELP_STRING([--enable-ipsecmod], [Enable ipsecmod module that facilitates opportunistic IPsec]))
1759case "$enable_ipsecmod" in
1760	yes)
1761		AC_DEFINE([USE_IPSECMOD], [1], [Define to 1 to use ipsecmod support.])
1762		IPSECMOD_OBJ="ipsecmod.lo ipsecmod-whitelist.lo"
1763		AC_SUBST(IPSECMOD_OBJ)
1764		IPSECMOD_HEADER='$(srcdir)/ipsecmod/ipsecmod.h $(srcdir)/ipsecmod/ipsecmod-whitelist.h'
1765		AC_SUBST(IPSECMOD_HEADER)
1766		;;
1767	no|*)
1768		# nothing
1769		;;
1770esac
1771
1772# check for ipset if requested
1773AC_ARG_ENABLE(ipset, AC_HELP_STRING([--enable-ipset], [enable ipset module]))
1774case "$enable_ipset" in
1775    yes)
1776		AC_DEFINE([USE_IPSET], [1], [Define to 1 to use ipset support])
1777		IPSET_SRC="ipset/ipset.c"
1778		AC_SUBST(IPSET_SRC)
1779		IPSET_OBJ="ipset.lo"
1780		AC_SUBST(IPSET_OBJ)
1781
1782		# mnl
1783		AC_ARG_WITH(libmnl, AC_HELP_STRING([--with-libmnl=path],
1784			[specify explicit path for libmnl.]),
1785			[ ],[ withval="yes" ])
1786		found_libmnl="no"
1787		AC_MSG_CHECKING(for libmnl)
1788		if test x_$withval = x_ -o x_$withval = x_yes; then
1789			withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1790		fi
1791		for dir in $withval ; do
1792			if test -f "$dir/include/libmnl/libmnl.h"; then
1793				found_libmnl="yes"
1794				dnl assume /usr is in default path.
1795				if test "$dir" != "/usr"; then
1796					CPPFLAGS="$CPPFLAGS -I$dir/include"
1797					LDFLAGS="$LDFLAGS -L$dir/lib"
1798				fi
1799				AC_MSG_RESULT(found in $dir)
1800				LIBS="$LIBS -lmnl"
1801				break;
1802			fi
1803		done
1804		if test x_$found_libmnl != x_yes; then
1805			AC_ERROR([Could not find libmnl, libmnl.h])
1806		fi
1807		;;
1808    no|*)
1809    	# nothing
1810		;;
1811esac
1812AC_ARG_ENABLE(explicit-port-randomisation, AC_HELP_STRING([--disable-explicit-port-randomisation], [disable explicit source port randomisation and rely on the kernel to provide random source ports]))
1813case "$enable_explicit_port_randomisation" in
1814	no)
1815		AC_DEFINE([DISABLE_EXPLICIT_PORT_RANDOMISATION], [1], [Define this to enable kernel based UDP source port randomization.])
1816		;;
1817	yes|*)
1818		;;
1819esac
1820
1821
1822AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
1823# on openBSD, the implicit rule make $< work.
1824# on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
1825# gmake works.
1826cat >conftest.make <<EOF
1827all:	conftest.lo
1828
1829conftest.lo foo.lo bla.lo:
1830	if test -f "\$<"; then touch \$@; fi
1831
1832.SUFFIXES: .lo
1833.c.lo:
1834	if test -f "\$<"; then touch \$@; fi
1835
1836conftest.lo:        conftest.dir/conftest.c
1837EOF
1838mkdir conftest.dir
1839touch conftest.dir/conftest.c
1840rm -f conftest.lo conftest.c
1841${MAKE:-make} -f conftest.make >/dev/null
1842rm -f conftest.make conftest.c conftest.dir/conftest.c
1843rm -rf conftest.dir
1844if test ! -f conftest.lo; then
1845	AC_MSG_RESULT(no)
1846	SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
1847	SOURCEFILE='`cat .source`'
1848else
1849	AC_MSG_RESULT(yes)
1850	SOURCEDETERMINE=':'
1851	SOURCEFILE='$<'
1852fi
1853rm -f conftest.lo
1854AC_SUBST(SOURCEDETERMINE)
1855AC_SUBST(SOURCEFILE)
1856
1857# see if we want to build the library or everything
1858ALLTARGET="alltargets"
1859INSTALLTARGET="install-all"
1860AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
1861	[do not build daemon and tool programs]),
1862	[
1863	if test "$withval" = "yes"; then
1864		ALLTARGET="lib"
1865		INSTALLTARGET="install-lib"
1866	fi
1867])
1868if test $ALLTARGET = "alltargets"; then
1869	if test $USE_NSS = "yes"; then
1870		AC_ERROR([--with-nss can only be used in combination with --with-libunbound-only.])
1871	fi
1872	if test $USE_NETTLE = "yes"; then
1873		AC_ERROR([--with-nettle can only be used in combination with --with-libunbound-only.])
1874	fi
1875fi
1876
1877AC_SUBST(ALLTARGET)
1878AC_SUBST(INSTALLTARGET)
1879
1880ACX_STRIP_EXT_FLAGS
1881if test -n "$LATE_LDFLAGS"; then
1882  LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
1883fi
1884# remove start spaces
1885LDFLAGS=`echo "$LDFLAGS"|sed -e 's/^ *//'`
1886LIBS=`echo "$LIBS"|sed -e 's/^ *//'`
1887
1888AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
1889
1890AH_BOTTOM(
1891dnl this must be first AH_CONFIG, to define the flags before any includes.
1892AHX_CONFIG_EXT_FLAGS
1893
1894dnl includes
1895[
1896#ifndef _OPENBSD_SOURCE
1897#define _OPENBSD_SOURCE 1
1898#endif
1899
1900#ifndef UNBOUND_DEBUG
1901# ifndef NDEBUG
1902#  define NDEBUG
1903# endif
1904#endif
1905
1906/** Use small-ldns codebase */
1907#define USE_SLDNS 1
1908#ifdef HAVE_SSL
1909#  define LDNS_BUILD_CONFIG_HAVE_SSL 1
1910#endif
1911
1912#include <stdio.h>
1913#include <string.h>
1914#include <unistd.h>
1915#include <assert.h>
1916
1917#if STDC_HEADERS
1918#include <stdlib.h>
1919#include <stddef.h>
1920#endif
1921
1922#ifdef HAVE_STDARG_H
1923#include <stdarg.h>
1924#endif
1925
1926#ifdef HAVE_STDINT_H
1927#include <stdint.h>
1928#endif
1929
1930#include <errno.h>
1931
1932#if HAVE_SYS_PARAM_H
1933#include <sys/param.h>
1934#endif
1935
1936#ifdef HAVE_SYS_SOCKET_H
1937#include <sys/socket.h>
1938#endif
1939
1940#ifdef HAVE_SYS_UIO_H
1941#include <sys/uio.h>
1942#endif
1943
1944#ifdef HAVE_NETINET_IN_H
1945#include <netinet/in.h>
1946#endif
1947
1948#ifdef HAVE_NETINET_TCP_H
1949#include <netinet/tcp.h>
1950#endif
1951
1952#ifdef HAVE_ARPA_INET_H
1953#include <arpa/inet.h>
1954#endif
1955
1956#ifdef HAVE_WINSOCK2_H
1957#include <winsock2.h>
1958#endif
1959
1960#ifdef HAVE_WS2TCPIP_H
1961#include <ws2tcpip.h>
1962#endif
1963
1964#ifndef USE_WINSOCK
1965#define ARG_LL "%ll"
1966#else
1967#define ARG_LL "%I64"
1968#endif
1969
1970#ifndef AF_LOCAL
1971#define AF_LOCAL AF_UNIX
1972#endif
1973]
1974
1975AHX_CONFIG_FORMAT_ATTRIBUTE
1976AHX_CONFIG_UNUSED_ATTRIBUTE
1977AHX_CONFIG_FSEEKO
1978AHX_CONFIG_MAXHOSTNAMELEN
1979#if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
1980#define snprintf snprintf_unbound
1981#define vsnprintf vsnprintf_unbound
1982#include <stdarg.h>
1983int snprintf (char *str, size_t count, const char *fmt, ...);
1984int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
1985#endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
1986AHX_CONFIG_INET_PTON(unbound)
1987AHX_CONFIG_INET_NTOP(unbound)
1988AHX_CONFIG_INET_ATON(unbound)
1989AHX_CONFIG_MEMMOVE(unbound)
1990AHX_CONFIG_STRLCAT(unbound)
1991AHX_CONFIG_STRLCPY(unbound)
1992AHX_CONFIG_GMTIME_R(unbound)
1993AHX_CONFIG_REALLOCARRAY(unbound)
1994AHX_CONFIG_W32_SLEEP
1995AHX_CONFIG_W32_USLEEP
1996AHX_CONFIG_W32_RANDOM
1997AHX_CONFIG_W32_SRANDOM
1998AHX_CONFIG_W32_FD_SET_T
1999AHX_CONFIG_IPV6_MIN_MTU
2000AHX_MEMCMP_BROKEN(unbound)
2001
2002[
2003#ifndef HAVE_CTIME_R
2004#define ctime_r unbound_ctime_r
2005char *ctime_r(const time_t *timep, char *buf);
2006#endif
2007
2008#ifndef HAVE_STRSEP
2009#define strsep unbound_strsep
2010char *strsep(char **stringp, const char *delim);
2011#endif
2012
2013#ifndef HAVE_ISBLANK
2014#define isblank unbound_isblank
2015int isblank(int c);
2016#endif
2017
2018#ifndef HAVE_EXPLICIT_BZERO
2019#define explicit_bzero unbound_explicit_bzero
2020void explicit_bzero(void* buf, size_t len);
2021#endif
2022
2023#if defined(HAVE_INET_NTOP) && !HAVE_DECL_INET_NTOP
2024const char *inet_ntop(int af, const void *src, char *dst, size_t size);
2025#endif
2026
2027#if defined(HAVE_INET_PTON) && !HAVE_DECL_INET_PTON
2028int inet_pton(int af, const char* src, void* dst);
2029#endif
2030
2031#if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
2032#define strptime unbound_strptime
2033struct tm;
2034char *strptime(const char *s, const char *format, struct tm *tm);
2035#endif
2036
2037#if !HAVE_DECL_REALLOCARRAY
2038void *reallocarray(void *ptr, size_t nmemb, size_t size);
2039#endif
2040
2041#ifdef HAVE_LIBBSD
2042#include <bsd/string.h>
2043#include <bsd/stdlib.h>
2044#endif
2045
2046#ifdef HAVE_LIBRESSL
2047#  if !HAVE_DECL_STRLCPY
2048size_t strlcpy(char *dst, const char *src, size_t siz);
2049#  endif
2050#  if !HAVE_DECL_STRLCAT
2051size_t strlcat(char *dst, const char *src, size_t siz);
2052#  endif
2053#  if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
2054uint32_t arc4random(void);
2055#  endif
2056#  if !HAVE_DECL_ARC4RANDOM_UNIFORM && defined(HAVE_ARC4RANDOM_UNIFORM)
2057uint32_t arc4random_uniform(uint32_t upper_bound);
2058#  endif
2059#endif /* HAVE_LIBRESSL */
2060#ifndef HAVE_ARC4RANDOM
2061int getentropy(void* buf, size_t len);
2062uint32_t arc4random(void);
2063void arc4random_buf(void* buf, size_t n);
2064void _ARC4_LOCK(void);
2065void _ARC4_UNLOCK(void);
2066void _ARC4_LOCK_DESTROY(void);
2067#endif
2068#ifndef HAVE_ARC4RANDOM_UNIFORM
2069uint32_t arc4random_uniform(uint32_t upper_bound);
2070#endif
2071#ifdef COMPAT_SHA512
2072#ifndef SHA512_DIGEST_LENGTH
2073#define SHA512_BLOCK_LENGTH		128
2074#define SHA512_DIGEST_LENGTH		64
2075#define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
2076typedef struct _SHA512_CTX {
2077	uint64_t	state[8];
2078	uint64_t	bitcount[2];
2079	uint8_t	buffer[SHA512_BLOCK_LENGTH];
2080} SHA512_CTX;
2081#endif /* SHA512_DIGEST_LENGTH */
2082void SHA512_Init(SHA512_CTX*);
2083void SHA512_Update(SHA512_CTX*, void*, size_t);
2084void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
2085unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
2086#endif /* COMPAT_SHA512 */
2087
2088
2089
2090#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))
2091   /* using version of libevent that is not threadsafe. */
2092#  define LIBEVENT_SIGNAL_PROBLEM 1
2093#endif
2094
2095#ifndef CHECKED_INET6
2096#  define CHECKED_INET6
2097#  ifdef AF_INET6
2098#    define INET6
2099#  else
2100#    define AF_INET6        28
2101#  endif
2102#endif /* CHECKED_INET6 */
2103
2104#ifndef HAVE_GETADDRINFO
2105struct sockaddr_storage;
2106#include "compat/fake-rfc2553.h"
2107#endif
2108
2109#ifdef UNBOUND_ALLOC_STATS
2110#  define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
2111#  define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
2112#  define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
2113#  define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
2114void *unbound_stat_malloc(size_t size);
2115void *unbound_stat_calloc(size_t nmemb, size_t size);
2116void unbound_stat_free(void *ptr);
2117void *unbound_stat_realloc(void *ptr, size_t size);
2118void *unbound_stat_malloc_log(size_t size, const char* file, int line,
2119	const char* func);
2120void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
2121	int line, const char* func);
2122void unbound_stat_free_log(void *ptr, const char* file, int line,
2123	const char* func);
2124void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
2125	int line, const char* func);
2126#elif defined(UNBOUND_ALLOC_LITE)
2127#  include "util/alloc.h"
2128#endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
2129
2130/** default port for DNS traffic. */
2131#define UNBOUND_DNS_PORT 53
2132/** default port for DNS over TLS traffic. */
2133#define UNBOUND_DNS_OVER_TLS_PORT 853
2134/** default port for unbound control traffic, registered port with IANA,
2135    ub-dns-control  8953/tcp    unbound dns nameserver control */
2136#define UNBOUND_CONTROL_PORT 8953
2137/** the version of unbound-control that this software implements */
2138#define UNBOUND_CONTROL_VERSION 1
2139
2140])
2141
2142dnl if we build from source tree, the man pages need @date@ and @version@
2143dnl if this is a distro tarball, that was already done by makedist.sh
2144AC_SUBST(version, [VERSION_MAJOR.VERSION_MINOR.VERSION_MICRO])
2145AC_SUBST(date, [`date +'%b %e, %Y'`])
2146
2147AC_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])
2148AC_CONFIG_HEADER([config.h])
2149AC_OUTPUT
2150