xref: /freebsd/contrib/unbound/configure.ac (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
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)
9
10# must be numbers. ac_defun because of later processing
11m4_define([VERSION_MAJOR],[1])
12m4_define([VERSION_MINOR],[5])
13m4_define([VERSION_MICRO],[10])
14AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl, unbound)
15AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
16AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
17AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
18
19LIBUNBOUND_CURRENT=6
20LIBUNBOUND_REVISION=2
21LIBUNBOUND_AGE=4
22# 1.0.0 had 0:12:0
23# 1.0.1 had 0:13:0
24# 1.0.2 had 0:14:0
25# 1.1.0 had 0:15:0
26# 1.1.1 had 0:16:0
27# 1.2.0 had 0:17:0
28# 1.2.1 had 0:18:0
29# 1.3.0 had 1:0:0   # ub_cancel and -export-symbols.
30# 1.3.1 had 1:1:0
31# 1.3.2 had 1:2:0
32# 1.3.3 had 1:3:0
33# 1.3.4 had 1:4:0
34# 1.4.0-snapshots had 1:5:0
35# 1.4.0 had 1:5:0 (not 2:0:0)   # ub_result.why_bogus
36# 1.4.1 had 2:1:0
37# 1.4.2 had 2:2:0
38# 1.4.3 had 2:3:0
39# 1.4.4 had 2:4:0
40# 1.4.5 had 2:5:0
41# 1.4.6 had 2:6:0
42# 1.4.7 had 2:7:0
43# 1.4.8 had 2:8:0
44# 1.4.9 had 2:9:0
45# 1.4.10 had 2:10:0
46# 1.4.11 had 2:11:0
47# 1.4.12 had 2:12:0
48# 1.4.13 had 2:13:0
49# and 1.4.13p1 and 1.4.13.p2
50# 1.4.14 had 2:14:0
51# 1.4.15 had 3:0:1 # adds ub_version()
52# 1.4.16 had 3:1:1
53# 1.4.17 had 3:2:1
54# 1.4.18 had 3:3:1
55# 1.4.19 had 3:4:1
56# 1.4.20 had 4:0:2 # adds libunbound.ttl # but shipped 3:5:1
57# 1.4.21 had 4:1:2
58# 1.4.22 had 4:1:2
59# 1.5.0 had 5:3:3 # adds ub_ctx_add_ta_autr
60# 1.5.1 had 5:3:3
61# 1.5.2 had 5:5:3
62# 1.5.3 had 5:6:3
63# 1.5.4 had 5:7:3
64# 1.5.5 had 5:8:3
65# 1.5.6 had 5:9:3
66# 1.5.7 had 5:10:3
67# 1.5.8 had 6:0:4 # adds ub_ctx_set_stub
68# 1.5.9 had 6:1:4
69# 1.5.10 had 6:2:4
70
71#   Current  -- the number of the binary API that we're implementing
72#   Revision -- which iteration of the implementation of the binary
73#               API are we supplying?
74#   Age      -- How many previous binary API versions do we also
75#               support?
76#
77# If we release a new version that does not change the binary API,
78# increment Revision.
79#
80# If we release a new version that changes the binary API, but does
81# not break programs compiled against the old binary API, increment
82# Current and Age.  Set Revision to 0, since this is the first
83# implementation of the new API.
84#
85# Otherwise, we're changing the binary API and breaking bakward
86# compatibility with old binaries.  Increment Current.  Set Age to 0,
87# since we're backward compatible with no previous APIs.  Set Revision
88# to 0 too.
89AC_SUBST(LIBUNBOUND_CURRENT)
90AC_SUBST(LIBUNBOUND_REVISION)
91AC_SUBST(LIBUNBOUND_AGE)
92
93CFLAGS="$CFLAGS"
94AC_AIX
95if test "$ac_cv_header_minix_config_h" = "yes"; then
96	AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
97fi
98
99dnl
100dnl By default set prefix to /usr/local
101dnl
102case "$prefix" in
103        NONE)
104		prefix="/usr/local"
105        ;;
106esac
107
108# are we on MinGW?
109if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
110else
111	if echo $host $target | grep mingw32 >/dev/null; then on_mingw="yes"
112	else on_mingw="no"; fi
113fi
114
115#
116# Determine configuration file
117# the eval is to evaluate shell expansion twice
118if test $on_mingw = "no"; then
119  ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
120else
121  ub_conf_file="C:\\Program Files (x86)\\Unbound\\service.conf"
122fi
123AC_ARG_WITH([conf_file],
124        AC_HELP_STRING([--with-conf-file=path],
125	[Pathname to the Unbound configuration file]),
126	[ub_conf_file="$withval"])
127AC_SUBST(ub_conf_file)
128ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
129AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
130ub_conf_dir=`AS_DIRNAME(["$ub_conf_file"])`
131AC_SUBST(ub_conf_dir)
132
133# Determine run, chroot directory and pidfile locations
134AC_ARG_WITH(run-dir,
135    AC_HELP_STRING([--with-run-dir=path],
136    [set default directory to chdir to (by default dir part of cfg file)]),
137    UNBOUND_RUN_DIR="$withval",
138if test $on_mingw = no; then
139    UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
140else
141    UNBOUND_RUN_DIR=""
142fi
143)
144AC_SUBST(UNBOUND_RUN_DIR)
145ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
146AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
147
148AC_ARG_WITH(chroot-dir,
149    AC_HELP_STRING([--with-chroot-dir=path],
150    [set default directory to chroot to (by default same as run-dir)]),
151    UNBOUND_CHROOT_DIR="$withval",
152if test $on_mingw = no; then
153    UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
154else
155    UNBOUND_CHROOT_DIR=""
156fi
157)
158AC_SUBST(UNBOUND_CHROOT_DIR)
159ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
160AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
161
162AC_ARG_WITH(share-dir,
163    AC_HELP_STRING([--with-share-dir=path],
164    [set default directory with shared data (by default same as share/unbound)]),
165    UNBOUND_SHARE_DIR="$withval",
166    UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
167AC_SUBST(UNBOUND_SHARE_DIR)
168AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
169
170AC_ARG_WITH(pidfile,
171    AC_HELP_STRING([--with-pidfile=filename],
172    [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
173    UNBOUND_PIDFILE="$withval",
174if test $on_mingw = no; then
175    UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
176else
177    UNBOUND_PIDFILE=""
178fi
179)
180AC_SUBST(UNBOUND_PIDFILE)
181ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
182AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
183
184AC_ARG_WITH(rootkey-file,
185    AC_HELP_STRING([--with-rootkey-file=filename],
186    [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
187    UNBOUND_ROOTKEY_FILE="$withval",
188if test $on_mingw = no; then
189    UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
190else
191    UNBOUND_ROOTKEY_FILE="C:\\Program Files (x86)\\Unbound\\root.key"
192fi
193)
194AC_SUBST(UNBOUND_ROOTKEY_FILE)
195ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
196AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
197
198AC_ARG_WITH(rootcert-file,
199    AC_HELP_STRING([--with-rootcert-file=filename],
200    [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.]),
201    UNBOUND_ROOTCERT_FILE="$withval",
202if test $on_mingw = no; then
203    UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
204else
205    UNBOUND_ROOTCERT_FILE="C:\\Program Files (x86)\\Unbound\\icannbundle.pem"
206fi
207)
208AC_SUBST(UNBOUND_ROOTCERT_FILE)
209ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
210AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
211
212AC_ARG_WITH(username,
213    AC_HELP_STRING([--with-username=user],
214    [set default user that unbound changes to (default user is unbound)]),
215    UNBOUND_USERNAME="$withval",
216    UNBOUND_USERNAME="unbound")
217AC_SUBST(UNBOUND_USERNAME)
218AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
219
220AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
221ACX_RSRC_VERSION(wnvs)
222AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
223
224# Checks for typedefs, structures, and compiler characteristics.
225AC_C_CONST
226AC_LANG_C
227# allow user to override the -g -O2 flags.
228if test "x$CFLAGS" = "x" ; then
229ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
230ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
231fi
232AC_PROG_CC
233ACX_DEPFLAG
234ACX_DETERMINE_EXT_FLAGS_UNBOUND
235
236# debug mode flags warnings
237AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
238AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
239if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
240else debug_enabled="$enable_checking"; fi
241AC_SUBST(debug_enabled)
242case "$debug_enabled" in
243        yes)
244		ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
245		ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
246		ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
247		ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
248		AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
249		;;
250	no|*)
251		# nothing to do.
252		;;
253esac
254ACX_CHECK_FLTO
255ACX_CHECK_PIE
256ACX_CHECK_RELRO_NOW
257
258AC_C_INLINE
259ACX_CHECK_FORMAT_ATTRIBUTE
260ACX_CHECK_UNUSED_ATTRIBUTE
261
262AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
263[AC_REQUIRE([AC_PROG_CC])
264AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "weak" attribute)
265AC_CACHE_VAL(ac_cv_c_weak_attribute,
266[ac_cv_c_weak_attribute=no
267AC_TRY_COMPILE(
268[ #include <stdio.h>
269__attribute__((weak)) void f(int x) { printf("%d", x); }
270], [
271   f(1);
272],
273[ac_cv_c_weak_attribute="yes"],
274[ac_cv_c_weak_attribute="no"])
275])
276
277AC_MSG_RESULT($ac_cv_c_weak_attribute)
278if test $ac_cv_c_weak_attribute = yes; then
279  AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
280fi
281])dnl End of CHECK_WEAK_ATTRIBUTE
282
283CHECK_WEAK_ATTRIBUTE
284
285if test "$srcdir" != "."; then
286	CPPFLAGS="$CPPFLAGS -I$srcdir"
287fi
288
289AC_DEFUN([ACX_YYLEX_DESTROY], [
290	AC_MSG_CHECKING([for yylex_destroy])
291	if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
292		AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
293		AC_MSG_RESULT(yes)
294	else AC_MSG_RESULT(no); fi
295])
296
297AC_PROG_LEX
298ACX_YYLEX_DESTROY
299AC_PROG_YACC
300AC_CHECK_PROG(doxygen, doxygen, doxygen)
301AC_CHECK_TOOL(STRIP, strip)
302ACX_LIBTOOL_C_ONLY
303
304# Checks for header files.
305AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h],,, [AC_INCLUDES_DEFAULT])
306
307# check for types.
308# Using own tests for int64* because autoconf builtin only give 32bit.
309AC_CHECK_TYPE(int8_t, signed char)
310AC_CHECK_TYPE(int16_t, short)
311AC_CHECK_TYPE(int32_t, int)
312AC_CHECK_TYPE(int64_t, long long)
313AC_CHECK_TYPE(uint8_t, unsigned char)
314AC_CHECK_TYPE(uint16_t, unsigned short)
315AC_CHECK_TYPE(uint32_t, unsigned int)
316AC_CHECK_TYPE(uint64_t, unsigned long long)
317AC_TYPE_SIZE_T
318AC_CHECK_TYPE(ssize_t, int)
319AC_TYPE_UID_T
320AC_TYPE_PID_T
321AC_TYPE_OFF_T
322ACX_TYPE_U_CHAR
323ACX_TYPE_RLIM_T
324ACX_TYPE_SOCKLEN_T
325ACX_TYPE_IN_ADDR_T
326ACX_TYPE_IN_PORT_T
327ACX_CHECK_MEMCMP_SIGNED
328
329AC_CHECK_SIZEOF(time_t,,[
330AC_INCLUDES_DEFAULT
331#ifdef TIME_WITH_SYS_TIME
332# include <sys/time.h>
333# include <time.h>
334#else
335# ifdef HAVE_SYS_TIME_H
336#  include <sys/time.h>
337# else
338#  include <time.h>
339# endif
340#endif
341])
342
343# add option to disable the evil rpath
344ACX_ARG_RPATH
345AC_SUBST(RUNTIME_PATH)
346
347# check to see if libraries are needed for these functions.
348AC_SEARCH_LIBS([inet_pton], [nsl])
349AC_SEARCH_LIBS([socket], [socket])
350
351# check wether strptime also works
352AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
353[AC_REQUIRE([AC_PROG_CC])
354AC_MSG_CHECKING(whether strptime works)
355if test c${cross_compiling} = cno; then
356AC_RUN_IFELSE([AC_LANG_SOURCE([[
357#define _XOPEN_SOURCE 600
358#include <time.h>
359int main(void) { struct tm tm; char *res;
360res = 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);
361if (!res) return 2;
362res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
363if (!res) return 1; return 0; }
364]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
365else
366eval "ac_cv_c_strptime_works=maybe"
367fi
368AC_MSG_RESULT($ac_cv_c_strptime_works)
369if test $ac_cv_c_strptime_works = no; then
370AC_LIBOBJ(strptime)
371else
372AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
373fi
374])dnl
375
376# check some functions of the OS before linking libs (while still runnable).
377AC_FUNC_CHOWN
378AC_FUNC_FORK
379AC_TYPE_SIGNAL
380AC_FUNC_FSEEKO
381ACX_SYS_LARGEFILE
382ACX_CHECK_NONBLOCKING_BROKEN
383ACX_MKDIR_ONE_ARG
384AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
385
386# set memory allocation checking if requested
387AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
388	[ enable to memory allocation statistics, for debug purposes ]),
389	, )
390AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
391	[ enable for lightweight alloc assertions, for debug purposes ]),
392	, )
393AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
394	[ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
395	, )
396if test x_$enable_alloc_nonregional = x_yes; then
397	AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
398fi
399if test x_$enable_alloc_checks = x_yes; then
400	AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
401else
402	if test x_$enable_alloc_lite = x_yes; then
403		AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
404	else
405		ACX_FUNC_MALLOC([unbound])
406	fi
407fi
408
409# check windows threads (we use them, not pthreads, on windows).
410if test "$on_mingw" = "yes"; then
411# check windows threads
412	AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
413	AC_MSG_CHECKING([for CreateThread])
414	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
415#ifdef HAVE_WINDOWS_H
416#include <windows.h>
417#endif
418], [
419	HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
420])],
421	AC_MSG_RESULT(yes)
422	AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
423,
424	AC_MSG_RESULT(no)
425)
426
427else
428# not on mingw, check thread libraries.
429
430# check for thread library.
431# check this first, so that the pthread lib does not get linked in via
432# libssl or libpython, and thus distorts the tests, and we end up using
433# the non-threadsafe C libraries.
434AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
435 [use pthreads library, or --without-pthreads to disable threading support.]),
436 [ ],[ withval="yes" ])
437ub_have_pthreads=no
438if test x_$withval != x_no; then
439	AX_PTHREAD([
440		AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
441		LIBS="$PTHREAD_LIBS $LIBS"
442		CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
443		CC="$PTHREAD_CC"
444		ub_have_pthreads=yes
445		AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
446
447		if echo "$CFLAGS" | $GREP -e "-pthread" >/dev/null; then
448		AC_MSG_CHECKING([if -pthread unused during linking])
449		# catch clang warning 'argument unused during compilation'
450		AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
451[[
452int main(void) {return 0;}
453]])])
454		pthread_unused="yes"
455		# first compile
456		echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
457		$CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
458		if test $? = 0; then
459			# then link
460			echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
461			$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
462			if test $? -ne 0; then
463				AC_MSG_RESULT(yes)
464				CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
465				PTHREAD_CFLAGS_ONLY="-pthread"
466				AC_SUBST(PTHREAD_CFLAGS_ONLY)
467			else
468				AC_MSG_RESULT(no)
469			fi
470		else
471			AC_MSG_RESULT(no)
472		fi # endif cc successful
473		rm -f conftest conftest.c conftest.o
474		fi # endif -pthread in CFLAGS
475
476		])
477fi
478
479# check solaris thread library
480AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
481	[use solaris native thread library.]), [ ],[ withval="no" ])
482ub_have_sol_threads=no
483if test x_$withval != x_no; then
484	if test x_$ub_have_pthreads != x_no; then
485	    AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
486	else
487	AC_SEARCH_LIBS(thr_create, [thread],
488	[
489    		AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
490
491		ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
492			[CFLAGS="$CFLAGS -D_REENTRANT"])
493		ub_have_sol_threads=yes
494	] , [
495		AC_ERROR([no solaris threads found.])
496	])
497	fi
498fi
499
500fi # end of non-mingw check of thread libraries
501
502# Check for PyUnbound
503AC_ARG_WITH(pyunbound,
504   AC_HELP_STRING([--with-pyunbound],
505   [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
506   [], [ withval="no" ])
507
508ub_test_python=no
509ub_with_pyunbound=no
510if test x_$withval != x_no; then
511   ub_with_pyunbound=yes
512   ub_test_python=yes
513fi
514
515# Check for Python module
516AC_ARG_WITH(pythonmodule,
517   AC_HELP_STRING([--with-pythonmodule],
518   [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
519   [], [ withval="no" ])
520
521ub_with_pythonmod=no
522if test x_$withval != x_no; then
523   ub_with_pythonmod=yes
524   ub_test_python=yes
525fi
526
527# Check for Python & SWIG only on PyUnbound or PyModule
528if test x_$ub_test_python != x_no; then
529
530   # Check for Python
531   ub_have_python=no
532   ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
533   AC_PYTHON_DEVEL
534   if test ! -z "$PYTHON_VERSION"; then
535	if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
536		AC_ERROR([Python version >= 2.4.0 is required])
537	fi
538
539      [PY_MAJOR_VERSION="`$PYTHON -c \"import sys; print(sys.version_info[0])\"`"]
540      AC_SUBST(PY_MAJOR_VERSION)
541      # Have Python
542      AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
543      LIBS="$PYTHON_LDFLAGS $LIBS"
544      CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
545      ub_have_python=yes
546
547      # Check for SWIG
548      ub_have_swig=no
549      AC_PROG_SWIG
550      AC_MSG_CHECKING(SWIG)
551      if test ! -x "$SWIG"; then
552         AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
553      else
554         AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
555         AC_SUBST(swig, "$SWIG")
556         AC_MSG_RESULT(present)
557
558         # If have Python & SWIG
559         # Declare PythonMod
560         if test x_$ub_with_pythonmod != x_no; then
561            AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
562            WITH_PYTHONMODULE=yes
563            AC_SUBST(WITH_PYTHONMODULE)
564	    PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
565	    AC_SUBST(PYTHONMOD_OBJ)
566	    PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
567	    AC_SUBST(PYTHONMOD_HEADER)
568	    PYTHONMOD_INSTALL=pythonmod-install
569	    AC_SUBST(PYTHONMOD_INSTALL)
570	    PYTHONMOD_UNINSTALL=pythonmod-uninstall
571	    AC_SUBST(PYTHONMOD_UNINSTALL)
572         fi
573
574         # Declare PyUnbound
575         if test x_$ub_with_pyunbound != x_no; then
576            AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
577            WITH_PYUNBOUND=yes
578            AC_SUBST(WITH_PYUNBOUND)
579	    PYUNBOUND_OBJ="libunbound_wrap.lo"
580	    AC_SUBST(PYUNBOUND_OBJ)
581	    PYUNBOUND_TARGET="_unbound.la"
582	    AC_SUBST(PYUNBOUND_TARGET)
583	    PYUNBOUND_INSTALL=pyunbound-install
584	    AC_SUBST(PYUNBOUND_INSTALL)
585	    PYUNBOUND_UNINSTALL=pyunbound-uninstall
586	    AC_SUBST(PYUNBOUND_UNINSTALL)
587         fi
588      fi
589   else
590      AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
591      ub_with_pyunbound=no
592      ub_with_pythonmod=no
593   fi
594fi
595
596if test "`uname`" = "NetBSD"; then
597	NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
598	AC_SUBST(NETBSD_LINTFLAGS)
599fi
600CONFIG_DATE=`date +%Y%m%d`
601AC_SUBST(CONFIG_DATE)
602
603# Checks for libraries.
604
605# libnss
606USE_NSS="no"
607AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
608	[use libnss instead of openssl, installed at path.]),
609	[
610	USE_NSS="yes"
611	AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
612	if test "$withval" != "" -a "$withval" != "yes"; then
613		CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
614		LDFLAGS="$LDFLAGS -L$withval/lib"
615		ACX_RUNTIME_PATH_ADD([$withval/lib])
616		CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
617	else
618		CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
619		CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
620	fi
621        LIBS="$LIBS -lnss3 -lnspr4"
622	SSLLIB=""
623	]
624)
625
626# libnettle
627USE_NETTLE="no"
628AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
629	[use libnettle as crypto library, installed at path.]),
630	[
631	USE_NETTLE="yes"
632	AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
633	AC_CHECK_HEADERS([nettle/dsa-compat.h],,, [AC_INCLUDES_DEFAULT])
634	if test "$withval" != "" -a "$withval" != "yes"; then
635		CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
636		LDFLAGS="$LDFLAGS -L$withval/lib"
637		ACX_RUNTIME_PATH_ADD([$withval/lib])
638	else
639		CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
640	fi
641        LIBS="$LIBS -lhogweed -lnettle -lgmp"
642	SSLLIB=""
643	]
644)
645
646# openssl
647if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
648ACX_WITH_SSL
649ACX_LIB_SSL
650SSLLIB="-lssl"
651
652# check if -lcrypt32 is needed because CAPIENG needs that. (on windows)
653BAKLIBS="$LIBS"
654LIBS="-lssl $LIBS"
655AC_MSG_CHECKING([if libssl needs -lcrypt32])
656AC_TRY_LINK_FUNC([HMAC_Update], [
657	AC_MSG_RESULT([no])
658	LIBS="$BAKLIBS"
659], [
660	AC_MSG_RESULT([yes])
661	LIBS="$BAKLIBS"
662	LIBS="$LIBS -lcrypt32"
663])
664
665AC_MSG_CHECKING([for LibreSSL])
666if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
667	AC_MSG_RESULT([yes])
668	AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
669	# libressl provides these compat functions, but they may also be
670	# declared by the OS in libc.  See if they have been declared.
671	AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform,reallocarray])
672else
673	AC_MSG_RESULT([no])
674fi
675AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h],,, [AC_INCLUDES_DEFAULT])
676AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup])
677
678# these check_funcs need -lssl
679BAKLIBS="$LIBS"
680LIBS="-lssl $LIBS"
681AC_CHECK_FUNCS([OPENSSL_init_ssl])
682LIBS="$BAKLIBS"
683
684AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
685AC_INCLUDES_DEFAULT
686#ifdef HAVE_OPENSSL_ERR_H
687#include <openssl/err.h>
688#endif
689
690#ifdef HAVE_OPENSSL_RAND_H
691#include <openssl/rand.h>
692#endif
693
694#ifdef HAVE_OPENSSL_CONF_H
695#include <openssl/conf.h>
696#endif
697
698#ifdef HAVE_OPENSSL_ENGINE_H
699#include <openssl/engine.h>
700#endif
701#include <openssl/ssl.h>
702#include <openssl/evp.h>
703])
704fi
705AC_SUBST(SSLLIB)
706
707
708AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
709case "$enable_sha2" in
710	no)
711	;;
712	yes|*)
713	AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
714	;;
715esac
716
717# check wether gost also works
718AC_DEFUN([AC_CHECK_GOST_WORKS],
719[AC_REQUIRE([AC_PROG_CC])
720AC_MSG_CHECKING([if GOST works])
721if test c${cross_compiling} = cno; then
722BAKCFLAGS="$CFLAGS"
723if test -n "$ssldir"; then
724	CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
725fi
726AC_RUN_IFELSE([AC_LANG_SOURCE([[
727#include <string.h>
728#include <openssl/ssl.h>
729#include <openssl/evp.h>
730#include <openssl/engine.h>
731#include <openssl/conf.h>
732/* routine to load gost (from sldns) */
733int load_gost_id(void)
734{
735	static int gost_id = 0;
736	const EVP_PKEY_ASN1_METHOD* meth;
737	ENGINE* e;
738
739	if(gost_id) return gost_id;
740
741	/* see if configuration loaded gost implementation from other engine*/
742	meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
743	if(meth) {
744		EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
745		return gost_id;
746	}
747
748	/* see if engine can be loaded already */
749	e = ENGINE_by_id("gost");
750	if(!e) {
751		/* load it ourself, in case statically linked */
752		ENGINE_load_builtin_engines();
753		ENGINE_load_dynamic();
754		e = ENGINE_by_id("gost");
755	}
756	if(!e) {
757		/* no gost engine in openssl */
758		return 0;
759	}
760	if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
761		ENGINE_finish(e);
762		ENGINE_free(e);
763		return 0;
764	}
765
766	meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
767	if(!meth) {
768		/* algo not found */
769		ENGINE_finish(e);
770		ENGINE_free(e);
771		return 0;
772	}
773	EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
774	return gost_id;
775}
776int main(void) {
777	EVP_MD_CTX* ctx;
778	const EVP_MD* md;
779	unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
780	const char* str = "Hello world";
781	const unsigned char check[] = {
782		0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
783		0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
784		0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
785		0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
786	};
787	OPENSSL_config(NULL);
788	(void)load_gost_id();
789	md = EVP_get_digestbyname("md_gost94");
790	if(!md) return 1;
791	memset(digest, 0, sizeof(digest));
792	ctx = EVP_MD_CTX_create();
793	if(!ctx) return 2;
794	if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
795	if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
796	if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
797	/* uncomment to see the hash calculated.
798		{int i;
799		for(i=0; i<32; i++)
800			printf(" %2.2x", (int)digest[i]);
801		printf("\n");}
802	*/
803	if(memcmp(digest, check, sizeof(check)) != 0)
804		return 6;
805	return 0;
806}
807]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
808CFLAGS="$BAKCFLAGS"
809else
810eval "ac_cv_c_gost_works=maybe"
811fi
812AC_MSG_RESULT($ac_cv_c_gost_works)
813])dnl
814
815AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
816use_gost="no"
817if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
818case "$enable_gost" in
819	no)
820	;;
821	*)
822	AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
823	AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
824	AC_CHECK_GOST_WORKS
825	if test "$ac_cv_c_gost_works" != no; then
826		use_gost="yes"
827		AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
828	fi
829	;;
830esac
831fi dnl !USE_NSS && !USE_NETTLE
832
833AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
834use_ecdsa="no"
835case "$enable_ecdsa" in
836    no)
837      ;;
838    *)
839      if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
840	      AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
841	      AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
842	      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
843#include <openssl/evp.h>
844	      ])
845	      # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
846	      AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
847	      if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
848		if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
849		  AC_MSG_RESULT([no])
850		  AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
851		else
852		  AC_MSG_RESULT([yes])
853		fi
854	      else
855		# not OpenSSL, thus likely LibreSSL, which supports it
856		AC_MSG_RESULT([yes])
857	      fi
858      fi
859      # we now know we have ECDSA and the required curves.
860      AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
861      use_ecdsa="yes"
862      ;;
863esac
864
865AC_ARG_ENABLE(dsa, AC_HELP_STRING([--disable-dsa], [Disable DSA support]))
866use_dsa="no"
867case "$enable_ecdsa" in
868    no)
869      ;;
870    *)
871      # detect if DSA is supported, and turn it off if not.
872      AC_CHECK_FUNC(EVP_dss1, [
873      AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
874      ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
875               fi ])
876      ;;
877esac
878
879
880AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) pluggable event base libunbound API installed to unbound-event.h]))
881case "$enable_event_api" in
882    yes)
883      AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
884      AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
885      ;;
886    *)
887      ;;
888esac
889
890AC_ARG_ENABLE(tfo-client, AC_HELP_STRING([--enable-tfo-client], [Enable TCP Fast Open for client mode]))
891case "$enable_tfo_client" in
892	yes)
893		case `uname` in
894			Linux) AC_CHECK_DECL([MSG_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
895			                     [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
896			                     [AC_INCLUDES_DEFAULT
897#include <netinet/tcp.h>
898])
899					AC_DEFINE_UNQUOTED([USE_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
900			  ;;
901			Darwin) AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
902			                      [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
903			                      [AC_INCLUDES_DEFAULT
904#include <sys/socket.h>
905])
906					AC_DEFINE_UNQUOTED([USE_OSX_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
907			  ;;
908		esac
909	;;
910	no|*)
911		;;
912esac
913
914AC_ARG_ENABLE(tfo-server, AC_HELP_STRING([--enable-tfo-server], [Enable TCP Fast Open for server mode]))
915case "$enable_tfo_server" in
916	yes)
917	      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
918#include <netinet/tcp.h>
919	      ])
920		AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable server TCP Fast Open.])
921		;;
922	no|*)
923		;;
924esac
925
926# check for libevent
927AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
928    [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.]),
929    [ ],[ withval="no" ])
930if test x_$withval = x_yes -o x_$withval != x_no; then
931        AC_MSG_CHECKING(for libevent)
932        if test x_$withval = x_ -o x_$withval = x_yes; then
933            withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
934        fi
935        for dir in $withval; do
936            thedir="$dir"
937            if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
938                found_libevent="yes"
939		dnl assume /usr is in default path.
940		if test "$thedir" != "/usr"; then
941                    CPPFLAGS="$CPPFLAGS -I$thedir/include"
942		fi
943                break;
944            fi
945        done
946        if test x_$found_libevent != x_yes; then
947		if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
948			# libevent source directory
949            		AC_MSG_RESULT(found in $thedir)
950                	CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
951			BAK_LDFLAGS_SET="1"
952			BAK_LDFLAGS="$LDFLAGS"
953			# remove evdns from linking
954			mkdir build >/dev/null 2>&1
955			mkdir build/libevent >/dev/null 2>&1
956			mkdir build/libevent/.libs >/dev/null 2>&1
957			ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
958			ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
959			ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
960			cp $ev_files_o build/libevent
961			cp $ev_files_lo build/libevent
962			cp $ev_files_libso build/libevent/.libs
963            		LATE_LDFLAGS="build/libevent/*.lo -lm"
964			LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
965		else
966            		AC_MSG_ERROR([Cannot find the libevent library in $withval
967You can restart ./configure --with-libevent=no to use a builtin alternative.
968Please note that this alternative is not as capable as libevent when using
969large outgoing port ranges.  ])
970		fi
971        else
972            AC_MSG_RESULT(found in $thedir)
973	    dnl if event2 exists and no event lib in dir itself, use subdir
974	    if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
975		    LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
976		    ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
977	    else
978		    dnl assume /usr is in default path, do not add "".
979		    if test "$thedir" != "/usr" -a "$thedir" != ""; then
980			LDFLAGS="$LDFLAGS -L$thedir/lib"
981			ACX_RUNTIME_PATH_ADD([$thedir/lib])
982		    fi
983	    fi
984        fi
985	# check for library used by libevent after 1.3c
986	AC_SEARCH_LIBS([clock_gettime], [rt])
987
988	# is the event.h header libev or libevent?
989	AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
990	AC_CHECK_DECL(EV_VERSION_MAJOR, [
991		AC_SEARCH_LIBS(event_set, [ev])
992	],[
993		AC_SEARCH_LIBS(event_set, [event])
994	],[AC_INCLUDES_DEFAULT
995#include <event.h>
996	])
997	AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
998	AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
999	AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
1000	AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
1001	AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
1002	AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
1003	if test -n "$BAK_LDFLAGS_SET"; then
1004		LDFLAGS="$BAK_LDFLAGS"
1005	fi
1006else
1007	AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
1008fi
1009
1010# check for libexpat
1011AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
1012    [specify explicit path for libexpat.]),
1013    [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
1014AC_MSG_CHECKING(for libexpat)
1015found_libexpat="no"
1016for dir in $withval ; do
1017            if test -f "$dir/include/expat.h"; then
1018		found_libexpat="yes"
1019		dnl assume /usr is in default path.
1020		if test "$dir" != "/usr"; then
1021                    CPPFLAGS="$CPPFLAGS -I$dir/include"
1022		    LDFLAGS="$LDFLAGS -L$dir/lib"
1023		fi
1024            	AC_MSG_RESULT(found in $dir)
1025                break;
1026            fi
1027done
1028if test x_$found_libexpat != x_yes; then
1029	AC_ERROR([Could not find libexpat, expat.h])
1030fi
1031AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
1032AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
1033#include <expat.h>
1034])
1035
1036# set static linking if requested
1037AC_SUBST(staticexe)
1038staticexe=""
1039AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
1040	[ enable to compile executables statically against (event) libs, for debug purposes ]),
1041	, )
1042if test x_$enable_static_exe = x_yes; then
1043	staticexe="-static"
1044	if test "$on_mingw" = yes; then
1045		staticexe="-all-static"
1046		# for static compile, include gdi32 and zlib here.
1047		LIBS="$LIBS -lgdi32 -lz"
1048	fi
1049fi
1050
1051# set lock checking if requested
1052AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
1053	[ enable to check lock and unlock calls, for debug purposes ]),
1054	, )
1055if test x_$enable_lock_checks = x_yes; then
1056	AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
1057	CHECKLOCK_OBJ="checklocks.lo"
1058	AC_SUBST(CHECKLOCK_OBJ)
1059fi
1060
1061ACX_CHECK_GETADDRINFO_WITH_INCLUDES
1062if test "$USE_WINSOCK" = 1; then
1063	AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
1064	AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
1065#include <windows.h>
1066	])
1067	AC_CHECK_TOOL(WINDRES, windres)
1068	LIBS="$LIBS -liphlpapi"
1069	WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
1070	AC_SUBST(WINAPPS)
1071	WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
1072	AC_SUBST(WIN_DAEMON_SRC)
1073	WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
1074	AC_SUBST(WIN_DAEMON_OBJ)
1075	WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
1076	AC_SUBST(WIN_DAEMON_OBJ_LINK)
1077	WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
1078	AC_SUBST(WIN_HOST_OBJ_LINK)
1079	WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
1080	AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
1081	WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
1082	AC_SUBST(WIN_CONTROL_OBJ_LINK)
1083	WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
1084	AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
1085fi
1086if test $ac_cv_func_getaddrinfo = no; then
1087	AC_LIBOBJ([fake-rfc2553])
1088fi
1089# check after getaddrinfo for its libraries
1090ACX_FUNC_IOCTLSOCKET
1091
1092# see if daemon(3) exists, and if it is deprecated.
1093AC_CHECK_FUNCS([daemon])
1094if test $ac_cv_func_daemon = yes; then
1095	ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
1096#include <stdlib.h>
1097])
1098fi
1099
1100AC_CHECK_MEMBERS([struct sockaddr_un.sun_len],,,[
1101AC_INCLUDES_DEFAULT
1102#ifdef HAVE_SYS_UN_H
1103#include <sys/un.h>
1104#endif
1105])
1106AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
1107AC_INCLUDES_DEFAULT
1108#if HAVE_SYS_PARAM_H
1109#include <sys/param.h>
1110#endif
1111
1112#ifdef HAVE_SYS_SOCKET_H
1113#include <sys/socket.h>
1114#endif
1115
1116#ifdef HAVE_SYS_UIO_H
1117#include <sys/uio.h>
1118#endif
1119
1120#ifdef HAVE_NETINET_IN_H
1121#include <netinet/in.h>
1122#endif
1123
1124#ifdef HAVE_NETINET_TCP_H
1125#include <netinet/tcp.h>
1126#endif
1127
1128#ifdef HAVE_ARPA_INET_H
1129#include <arpa/inet.h>
1130#endif
1131
1132#ifdef HAVE_WINSOCK2_H
1133#include <winsock2.h>
1134#endif
1135
1136#ifdef HAVE_WS2TCPIP_H
1137#include <ws2tcpip.h>
1138#endif
1139])
1140AC_SEARCH_LIBS([setusercontext], [util])
1141AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam endpwent getrlimit setrlimit setsid chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent fsync])
1142AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
1143AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
1144
1145AC_MSG_CHECKING([for sbrk])
1146# catch the warning of deprecated sbrk
1147old_cflags="$CFLAGS"
1148CFLAGS="$CFLAGS -Werror"
1149AC_COMPILE_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1150[[
1151int main(void) { void* cur = sbrk(0); printf("%u\n", (unsigned)(size_t)((char*)cur - (char*)sbrk(0))); return 0; }
1152]])], [
1153	AC_MSG_RESULT(yes)
1154	AC_DEFINE(HAVE_SBRK, 1, [define if you have the sbrk() call])
1155    ], [AC_MSG_RESULT(no)])
1156CFLAGS="$old_cflags"
1157
1158# check if setreuid en setregid fail, on MacOSX10.4(darwin8).
1159if echo $build_os | grep darwin8 > /dev/null; then
1160	AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
1161fi
1162AC_REPLACE_FUNCS(inet_aton)
1163AC_REPLACE_FUNCS(inet_pton)
1164AC_REPLACE_FUNCS(inet_ntop)
1165AC_REPLACE_FUNCS(snprintf)
1166# test if snprintf return the proper length
1167if test "x$ac_cv_func_snprintf" = xyes; then
1168    if test c${cross_compiling} = cno; then
1169	AC_MSG_CHECKING([for correct snprintf return value])
1170	AC_RUN_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1171[[
1172int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
1173]])], [AC_MSG_RESULT(yes)], [
1174		AC_MSG_RESULT(no)
1175		AC_DEFINE([SNPRINTF_RET_BROKEN], [], [define if (v)snprintf does not return length needed, (but length used)])
1176		AC_LIBOBJ(snprintf)
1177	  ])
1178    fi
1179fi
1180AC_REPLACE_FUNCS(strlcat)
1181AC_REPLACE_FUNCS(strlcpy)
1182AC_REPLACE_FUNCS(memmove)
1183AC_REPLACE_FUNCS(gmtime_r)
1184AC_REPLACE_FUNCS(isblank)
1185dnl without CTIME, ARC4-functions and without reallocarray.
1186LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
1187AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
1188AC_REPLACE_FUNCS(reallocarray)
1189if test "$USE_NSS" = "no"; then
1190	AC_REPLACE_FUNCS(arc4random)
1191	AC_REPLACE_FUNCS(arc4random_uniform)
1192	if test "$ac_cv_func_arc4random" = "no"; then
1193		AC_LIBOBJ(explicit_bzero)
1194		AC_LIBOBJ(arc4_lock)
1195		AC_CHECK_FUNCS([getentropy],,[
1196		    if test "$USE_WINSOCK" = 1; then
1197			AC_LIBOBJ(getentropy_win)
1198		    else
1199			case `uname` in
1200			Darwin)
1201				AC_LIBOBJ(getentropy_osx)
1202			;;
1203			SunOS)
1204				AC_LIBOBJ(getentropy_solaris)
1205				AC_CHECK_HEADERS([sys/sha2.h],, [
1206					AC_CHECK_FUNCS([SHA512_Update],,[
1207						AC_LIBOBJ(sha512)
1208					])
1209				], [AC_INCLUDES_DEFAULT])
1210				if test "$ac_cv_header_sys_sha2_h" = "yes"; then
1211					# this lib needed for sha2 on solaris
1212					LIBS="$LIBS -lmd"
1213				fi
1214				AC_SEARCH_LIBS([clock_gettime], [rt])
1215			;;
1216			Linux|*)
1217				AC_LIBOBJ(getentropy_linux)
1218				AC_CHECK_FUNCS([SHA512_Update],,[
1219					AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
1220					AC_LIBOBJ(sha512)
1221				])
1222				AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
1223				AC_CHECK_FUNCS([getauxval])
1224				AC_SEARCH_LIBS([clock_gettime], [rt])
1225			;;
1226			esac
1227		    fi
1228		])
1229	fi
1230fi
1231LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
1232AC_SUBST(LIBOBJ_WITHOUT_CTIME)
1233AC_REPLACE_FUNCS(ctime_r)
1234AC_REPLACE_FUNCS(strsep)
1235
1236AC_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]))
1237case "$enable_allsymbols" in
1238	yes)
1239	COMMON_OBJ_ALL_SYMBOLS=""
1240	UBSYMS=""
1241	EXTRALINK="-L. -L.libs -lunbound"
1242	AC_DEFINE(EXPORT_ALL_SYMBOLS, 1, [Define this if you enabled-allsymbols from libunbound to link binaries to it for smaller install size, but the libunbound export table is polluted by internal symbols])
1243	;;
1244	no|*)
1245	COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
1246	UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
1247	EXTRALINK=""
1248	;;
1249esac
1250AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
1251AC_SUBST(EXTRALINK)
1252AC_SUBST(UBSYMS)
1253if test x_$enable_lock_checks = x_yes; then
1254	UBSYMS="-export-symbols clubsyms.def"
1255	cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
1256	echo lock_protect >> clubsyms.def
1257	echo lock_unprotect >> clubsyms.def
1258	echo lock_get_mem >> clubsyms.def
1259	echo checklock_start >> clubsyms.def
1260	echo checklock_stop >> clubsyms.def
1261	echo checklock_lock >> clubsyms.def
1262	echo checklock_unlock >> clubsyms.def
1263	echo checklock_init >> clubsyms.def
1264	echo checklock_thrcreate >> clubsyms.def
1265	echo checklock_thrjoin >> clubsyms.def
1266fi
1267
1268# check for dnstap if requested
1269dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
1270    [
1271        AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support])
1272        AC_SUBST([ENABLE_DNSTAP], [1])
1273
1274        AC_SUBST([opt_dnstap_socket_path])
1275        ACX_ESCAPE_BACKSLASH($opt_dnstap_socket_path, hdr_dnstap_socket_path)
1276        AC_DEFINE_UNQUOTED(DNSTAP_SOCKET_PATH,
1277            ["$hdr_dnstap_socket_path"], [default dnstap socket path])
1278
1279        AC_SUBST([DNSTAP_SRC], ["dnstap/dnstap.c dnstap/dnstap.pb-c.c"])
1280        AC_SUBST([DNSTAP_OBJ], ["dnstap.lo dnstap.pb-c.lo"])
1281    ],
1282    [
1283        AC_SUBST([ENABLE_DNSTAP], [0])
1284    ]
1285)
1286
1287# check for cachedb if requested
1288AC_ARG_ENABLE(cachedb, AC_HELP_STRING([--enable-cachedb], [enable cachedb module that can use external cache storage]))
1289case "$enable_cachedb" in
1290    yes)
1291    	AC_DEFINE([USE_CACHEDB], [1], [Define to 1 to use cachedb support])
1292    	;;
1293    no|*)
1294    	# nothing
1295    	;;
1296esac
1297
1298AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
1299# on openBSD, the implicit rule make $< work.
1300# on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
1301# gmake works.
1302cat >conftest.make <<EOF
1303all:	conftest.lo
1304
1305conftest.lo foo.lo bla.lo:
1306	if test -f "\$<"; then touch \$@; fi
1307
1308.SUFFIXES: .lo
1309.c.lo:
1310	if test -f "\$<"; then touch \$@; fi
1311
1312conftest.lo:        conftest.dir/conftest.c
1313EOF
1314mkdir conftest.dir
1315touch conftest.dir/conftest.c
1316rm -f conftest.lo conftest.c
1317${MAKE:-make} -f conftest.make >/dev/null
1318rm -f conftest.make conftest.c conftest.dir/conftest.c
1319rm -rf conftest.dir
1320if test ! -f conftest.lo; then
1321	AC_MSG_RESULT(no)
1322	SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
1323	SOURCEFILE='`cat .source`'
1324else
1325	AC_MSG_RESULT(yes)
1326	SOURCEDETERMINE=':'
1327	SOURCEFILE='$<'
1328fi
1329rm -f conftest.lo
1330AC_SUBST(SOURCEDETERMINE)
1331AC_SUBST(SOURCEFILE)
1332
1333# see if we want to build the library or everything
1334ALLTARGET="alltargets"
1335INSTALLTARGET="install-all"
1336AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
1337	[do not build daemon and tool programs]),
1338	[
1339	if test "$withval" = "yes"; then
1340		ALLTARGET="lib"
1341		INSTALLTARGET="install-lib"
1342	fi
1343])
1344AC_SUBST(ALLTARGET)
1345AC_SUBST(INSTALLTARGET)
1346
1347ACX_STRIP_EXT_FLAGS
1348LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
1349
1350AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
1351
1352AH_BOTTOM(
1353dnl this must be first AH_CONFIG, to define the flags before any includes.
1354AHX_CONFIG_EXT_FLAGS
1355
1356dnl includes
1357[
1358#ifndef UNBOUND_DEBUG
1359#  define NDEBUG
1360#endif
1361
1362/** Use small-ldns codebase */
1363#define USE_SLDNS 1
1364#ifdef HAVE_SSL
1365#  define LDNS_BUILD_CONFIG_HAVE_SSL 1
1366#endif
1367
1368#include <stdio.h>
1369#include <string.h>
1370#include <unistd.h>
1371#include <assert.h>
1372
1373#if STDC_HEADERS
1374#include <stdlib.h>
1375#include <stddef.h>
1376#endif
1377
1378#ifdef HAVE_STDARG_H
1379#include <stdarg.h>
1380#endif
1381
1382#ifdef HAVE_STDINT_H
1383#include <stdint.h>
1384#endif
1385
1386#include <errno.h>
1387
1388#if HAVE_SYS_PARAM_H
1389#include <sys/param.h>
1390#endif
1391
1392#ifdef HAVE_SYS_SOCKET_H
1393#include <sys/socket.h>
1394#endif
1395
1396#ifdef HAVE_SYS_UIO_H
1397#include <sys/uio.h>
1398#endif
1399
1400#ifdef HAVE_NETINET_IN_H
1401#include <netinet/in.h>
1402#endif
1403
1404#ifdef HAVE_NETINET_TCP_H
1405#include <netinet/tcp.h>
1406#endif
1407
1408#ifdef HAVE_ARPA_INET_H
1409#include <arpa/inet.h>
1410#endif
1411
1412#ifdef HAVE_WINSOCK2_H
1413#include <winsock2.h>
1414#endif
1415
1416#ifdef HAVE_WS2TCPIP_H
1417#include <ws2tcpip.h>
1418#endif
1419
1420#ifndef USE_WINSOCK
1421#define ARG_LL "%ll"
1422#else
1423#define ARG_LL "%I64"
1424#endif
1425
1426#ifndef AF_LOCAL
1427#define AF_LOCAL AF_UNIX
1428#endif
1429]
1430
1431AHX_CONFIG_FORMAT_ATTRIBUTE
1432AHX_CONFIG_UNUSED_ATTRIBUTE
1433AHX_CONFIG_FSEEKO
1434AHX_CONFIG_MAXHOSTNAMELEN
1435#if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
1436#define snprintf snprintf_unbound
1437#define vsnprintf vsnprintf_unbound
1438#include <stdarg.h>
1439int snprintf (char *str, size_t count, const char *fmt, ...);
1440int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
1441#endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
1442AHX_CONFIG_INET_PTON(unbound)
1443AHX_CONFIG_INET_NTOP(unbound)
1444AHX_CONFIG_INET_ATON(unbound)
1445AHX_CONFIG_MEMMOVE(unbound)
1446AHX_CONFIG_STRLCAT(unbound)
1447AHX_CONFIG_STRLCPY(unbound)
1448AHX_CONFIG_GMTIME_R(unbound)
1449AHX_CONFIG_REALLOCARRAY(unbound)
1450AHX_CONFIG_W32_SLEEP
1451AHX_CONFIG_W32_USLEEP
1452AHX_CONFIG_W32_RANDOM
1453AHX_CONFIG_W32_SRANDOM
1454AHX_CONFIG_W32_FD_SET_T
1455AHX_CONFIG_IPV6_MIN_MTU
1456AHX_MEMCMP_BROKEN(unbound)
1457
1458[
1459#ifndef HAVE_CTIME_R
1460#define ctime_r unbound_ctime_r
1461char *ctime_r(const time_t *timep, char *buf);
1462#endif
1463
1464#ifndef HAVE_STRSEP
1465#define strsep unbound_strsep
1466char *strsep(char **stringp, const char *delim);
1467#endif
1468
1469#ifndef HAVE_ISBLANK
1470#define isblank unbound_isblank
1471int isblank(int c);
1472#endif
1473
1474#if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
1475#define strptime unbound_strptime
1476struct tm;
1477char *strptime(const char *s, const char *format, struct tm *tm);
1478#endif
1479
1480#ifdef HAVE_LIBRESSL
1481#  if !HAVE_DECL_STRLCPY
1482size_t strlcpy(char *dst, const char *src, size_t siz);
1483#  endif
1484#  if !HAVE_DECL_STRLCAT
1485size_t strlcat(char *dst, const char *src, size_t siz);
1486#  endif
1487#  if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
1488uint32_t arc4random(void);
1489#  endif
1490#  if !HAVE_DECL_ARC4RANDOM_UNIFORM && defined(HAVE_ARC4RANDOM_UNIFORM)
1491uint32_t arc4random_uniform(uint32_t upper_bound);
1492#  endif
1493#  if !HAVE_DECL_REALLOCARRAY
1494void *reallocarray(void *ptr, size_t nmemb, size_t size);
1495#  endif
1496#endif /* HAVE_LIBRESSL */
1497#ifndef HAVE_ARC4RANDOM
1498void explicit_bzero(void* buf, size_t len);
1499int getentropy(void* buf, size_t len);
1500uint32_t arc4random(void);
1501void arc4random_buf(void* buf, size_t n);
1502void _ARC4_LOCK(void);
1503void _ARC4_UNLOCK(void);
1504#endif
1505#ifndef HAVE_ARC4RANDOM_UNIFORM
1506uint32_t arc4random_uniform(uint32_t upper_bound);
1507#endif
1508#ifdef COMPAT_SHA512
1509#ifndef SHA512_DIGEST_LENGTH
1510#define SHA512_BLOCK_LENGTH		128
1511#define SHA512_DIGEST_LENGTH		64
1512#define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
1513typedef struct _SHA512_CTX {
1514	uint64_t	state[8];
1515	uint64_t	bitcount[2];
1516	uint8_t	buffer[SHA512_BLOCK_LENGTH];
1517} SHA512_CTX;
1518#endif /* SHA512_DIGEST_LENGTH */
1519void SHA512_Init(SHA512_CTX*);
1520void SHA512_Update(SHA512_CTX*, void*, size_t);
1521void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
1522unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
1523#endif /* COMPAT_SHA512 */
1524
1525
1526
1527#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))
1528   /* using version of libevent that is not threadsafe. */
1529#  define LIBEVENT_SIGNAL_PROBLEM 1
1530#endif
1531
1532#ifndef CHECKED_INET6
1533#  define CHECKED_INET6
1534#  ifdef AF_INET6
1535#    define INET6
1536#  else
1537#    define AF_INET6        28
1538#  endif
1539#endif /* CHECKED_INET6 */
1540
1541#ifndef HAVE_GETADDRINFO
1542struct sockaddr_storage;
1543#include "compat/fake-rfc2553.h"
1544#endif
1545
1546#ifdef UNBOUND_ALLOC_STATS
1547#  define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
1548#  define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
1549#  define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
1550#  define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
1551void *unbound_stat_malloc(size_t size);
1552void *unbound_stat_calloc(size_t nmemb, size_t size);
1553void unbound_stat_free(void *ptr);
1554void *unbound_stat_realloc(void *ptr, size_t size);
1555void *unbound_stat_malloc_log(size_t size, const char* file, int line,
1556	const char* func);
1557void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
1558	int line, const char* func);
1559void unbound_stat_free_log(void *ptr, const char* file, int line,
1560	const char* func);
1561void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
1562	int line, const char* func);
1563#elif defined(UNBOUND_ALLOC_LITE)
1564#  include "util/alloc.h"
1565#endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
1566
1567/** default port for DNS traffic. */
1568#define UNBOUND_DNS_PORT 53
1569/** default port for unbound control traffic, registered port with IANA,
1570    ub-dns-control  8953/tcp    unbound dns nameserver control */
1571#define UNBOUND_CONTROL_PORT 8953
1572/** the version of unbound-control that this software implements */
1573#define UNBOUND_CONTROL_VERSION 1
1574
1575])
1576
1577dnl if we build from source tree, the man pages need @date@ and @version@
1578dnl if this is a distro tarball, that was already done by makedist.sh
1579AC_SUBST(version, [VERSION_MAJOR.VERSION_MINOR.VERSION_MICRO])
1580AC_SUBST(date, [`date +'%b %e, %Y'`])
1581
1582AC_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 contrib/libunbound.pc])
1583AC_CONFIG_HEADER([config.h])
1584AC_OUTPUT
1585