xref: /freebsd/contrib/unbound/configure.ac (revision cdc58367265a2bd6e8f913db2bdc591699ee229f)
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],[1])
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=5
20LIBUNBOUND_REVISION=3
21LIBUNBOUND_AGE=3
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 5:4:3
61
62#   Current  -- the number of the binary API that we're implementing
63#   Revision -- which iteration of the implementation of the binary
64#               API are we supplying?
65#   Age      -- How many previous binary API versions do we also
66#               support?
67#
68# If we release a new version that does not change the binary API,
69# increment Revision.
70#
71# If we release a new version that changes the binary API, but does
72# not break programs compiled against the old binary API, increment
73# Current and Age.  Set Revision to 0, since this is the first
74# implementation of the new API.
75#
76# Otherwise, we're changing the binary API and breaking bakward
77# compatibility with old binaries.  Increment Current.  Set Age to 0,
78# since we're backward compatible with no previous APIs.  Set Revision
79# to 0 too.
80AC_SUBST(LIBUNBOUND_CURRENT)
81AC_SUBST(LIBUNBOUND_REVISION)
82AC_SUBST(LIBUNBOUND_AGE)
83
84CFLAGS="$CFLAGS"
85AC_AIX
86if test "$ac_cv_header_minix_config_h" = "yes"; then
87	AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
88fi
89
90dnl
91dnl By default set prefix to /usr/local
92dnl
93case "$prefix" in
94        NONE)
95		prefix="/usr/local"
96        ;;
97esac
98
99# are we on MinGW?
100if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
101else
102	if echo $target | grep mingw32 >/dev/null; then on_mingw="yes"
103	else on_mingw="no"; fi
104fi
105
106#
107# Determine configuration file
108# the eval is to evaluate shell expansion twice
109if test $on_mingw = "no"; then
110  ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
111else
112  ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
113fi
114AC_ARG_WITH([conf_file],
115        AC_HELP_STRING([--with-conf-file=path],
116	[Pathname to the Unbound configuration file]),
117	[ub_conf_file="$withval"])
118AC_SUBST(ub_conf_file)
119ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
120AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
121
122# Determine run, chroot directory and pidfile locations
123AC_ARG_WITH(run-dir,
124    AC_HELP_STRING([--with-run-dir=path],
125    [set default directory to chdir to (by default dir part of cfg file)]),
126    UNBOUND_RUN_DIR="$withval",
127if test $on_mingw = no; then
128    UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
129else
130    UNBOUND_RUN_DIR=""
131fi
132)
133AC_SUBST(UNBOUND_RUN_DIR)
134ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
135AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
136
137AC_ARG_WITH(chroot-dir,
138    AC_HELP_STRING([--with-chroot-dir=path],
139    [set default directory to chroot to (by default same as run-dir)]),
140    UNBOUND_CHROOT_DIR="$withval",
141if test $on_mingw = no; then
142    UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
143else
144    UNBOUND_CHROOT_DIR=""
145fi
146)
147AC_SUBST(UNBOUND_CHROOT_DIR)
148ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
149AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
150
151AC_ARG_WITH(share-dir,
152    AC_HELP_STRING([--with-share-dir=path],
153    [set default directory with shared data (by default same as share/unbound)]),
154    UNBOUND_SHARE_DIR="$withval",
155    UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
156AC_SUBST(UNBOUND_SHARE_DIR)
157AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
158
159AC_ARG_WITH(pidfile,
160    AC_HELP_STRING([--with-pidfile=filename],
161    [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
162    UNBOUND_PIDFILE="$withval",
163if test $on_mingw = no; then
164    UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
165else
166    UNBOUND_PIDFILE=""
167fi
168)
169AC_SUBST(UNBOUND_PIDFILE)
170ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
171AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
172
173AC_ARG_WITH(rootkey-file,
174    AC_HELP_STRING([--with-rootkey-file=filename],
175    [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
176    UNBOUND_ROOTKEY_FILE="$withval",
177if test $on_mingw = no; then
178    UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
179else
180    UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
181fi
182)
183AC_SUBST(UNBOUND_ROOTKEY_FILE)
184ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
185AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
186
187AC_ARG_WITH(rootcert-file,
188    AC_HELP_STRING([--with-rootcert-file=filename],
189    [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.]),
190    UNBOUND_ROOTCERT_FILE="$withval",
191if test $on_mingw = no; then
192    UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
193else
194    UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
195fi
196)
197AC_SUBST(UNBOUND_ROOTCERT_FILE)
198ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
199AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
200
201AC_ARG_WITH(username,
202    AC_HELP_STRING([--with-username=user],
203    [set default user that unbound changes to (default user is unbound)]),
204    UNBOUND_USERNAME="$withval",
205    UNBOUND_USERNAME="unbound")
206AC_SUBST(UNBOUND_USERNAME)
207AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
208
209AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
210ACX_RSRC_VERSION(wnvs)
211AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
212
213# Checks for typedefs, structures, and compiler characteristics.
214AC_C_CONST
215AC_LANG_C
216# allow user to override the -g -O2 flags.
217if test "x$CFLAGS" = "x" ; then
218ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
219ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
220fi
221AC_PROG_CC
222ACX_DEPFLAG
223ACX_DETERMINE_EXT_FLAGS_UNBOUND
224
225# debug mode flags warnings
226AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
227AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
228if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
229else debug_enabled="$enable_checking"; fi
230AC_SUBST(debug_enabled)
231case "$debug_enabled" in
232        yes)
233		ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
234		ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
235		ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
236		ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
237		AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
238		;;
239	no|*)
240		# nothing to do.
241		;;
242esac
243ACX_CHECK_FLTO
244
245AC_C_INLINE
246ACX_CHECK_FORMAT_ATTRIBUTE
247ACX_CHECK_UNUSED_ATTRIBUTE
248
249if test "$srcdir" != "."; then
250	CPPFLAGS="$CPPFLAGS -I$srcdir"
251fi
252
253AC_DEFUN([ACX_YYLEX_DESTROY], [
254	AC_MSG_CHECKING([for yylex_destroy])
255	if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
256		AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
257		AC_MSG_RESULT(yes)
258	else AC_MSG_RESULT(no); fi
259])
260
261AC_PROG_LEX
262ACX_YYLEX_DESTROY
263AC_PROG_YACC
264AC_CHECK_PROG(doxygen, doxygen, doxygen)
265AC_CHECK_TOOL(STRIP, strip)
266ACX_LIBTOOL_C_ONLY
267
268# Checks for header files.
269AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h sys/param.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h],,, [AC_INCLUDES_DEFAULT])
270
271# check for types.
272# Using own tests for int64* because autoconf builtin only give 32bit.
273AC_CHECK_TYPE(int8_t, signed char)
274AC_CHECK_TYPE(int16_t, short)
275AC_CHECK_TYPE(int32_t, int)
276AC_CHECK_TYPE(int64_t, long long)
277AC_CHECK_TYPE(uint8_t, unsigned char)
278AC_CHECK_TYPE(uint16_t, unsigned short)
279AC_CHECK_TYPE(uint32_t, unsigned int)
280AC_CHECK_TYPE(uint64_t, unsigned long long)
281AC_TYPE_SIZE_T
282AC_CHECK_TYPE(ssize_t, int)
283AC_TYPE_UID_T
284AC_TYPE_PID_T
285AC_TYPE_OFF_T
286ACX_TYPE_U_CHAR
287ACX_TYPE_RLIM_T
288ACX_TYPE_SOCKLEN_T
289ACX_TYPE_IN_ADDR_T
290ACX_TYPE_IN_PORT_T
291ACX_CHECK_MEMCMP_SIGNED
292
293AC_CHECK_SIZEOF(time_t,,[
294AC_INCLUDES_DEFAULT
295#ifdef TIME_WITH_SYS_TIME
296# include <sys/time.h>
297# include <time.h>
298#else
299# ifdef HAVE_SYS_TIME_H
300#  include <sys/time.h>
301# else
302#  include <time.h>
303# endif
304#endif
305])
306
307# add option to disable the evil rpath
308ACX_ARG_RPATH
309AC_SUBST(RUNTIME_PATH)
310
311# check to see if libraries are needed for these functions.
312AC_SEARCH_LIBS([inet_pton], [nsl])
313AC_SEARCH_LIBS([socket], [socket])
314
315# check wether strptime also works
316AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
317[AC_REQUIRE([AC_PROG_CC])
318AC_MSG_CHECKING(whether strptime works)
319if test c${cross_compiling} = cno; then
320AC_RUN_IFELSE([AC_LANG_SOURCE([[
321#define _XOPEN_SOURCE 600
322#include <time.h>
323int main(void) { struct tm tm; char *res;
324res = 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);
325if (!res) return 2;
326res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
327if (!res) return 1; return 0; }
328]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
329else
330eval "ac_cv_c_strptime_works=maybe"
331fi
332AC_MSG_RESULT($ac_cv_c_strptime_works)
333if test $ac_cv_c_strptime_works = no; then
334AC_LIBOBJ(strptime)
335else
336AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
337fi
338])dnl
339
340# check some functions of the OS before linking libs (while still runnable).
341AC_FUNC_CHOWN
342AC_FUNC_FORK
343AC_TYPE_SIGNAL
344AC_FUNC_FSEEKO
345ACX_SYS_LARGEFILE
346ACX_CHECK_NONBLOCKING_BROKEN
347ACX_MKDIR_ONE_ARG
348AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
349
350# set memory allocation checking if requested
351AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
352	[ enable to memory allocation statistics, for debug purposes ]),
353	, )
354AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
355	[ enable for lightweight alloc assertions, for debug purposes ]),
356	, )
357AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
358	[ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
359	, )
360if test x_$enable_alloc_nonregional = x_yes; then
361	AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
362fi
363if test x_$enable_alloc_checks = x_yes; then
364	AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
365else
366	if test x_$enable_alloc_lite = x_yes; then
367		AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
368	else
369		ACX_FUNC_MALLOC([unbound])
370	fi
371fi
372
373# check windows threads (we use them, not pthreads, on windows).
374if test "$on_mingw" = "yes"; then
375# check windows threads
376	AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
377	AC_MSG_CHECKING([for CreateThread])
378	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
379#ifdef HAVE_WINDOWS_H
380#include <windows.h>
381#endif
382], [
383	HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
384])],
385	AC_MSG_RESULT(yes)
386	AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
387,
388	AC_MSG_RESULT(no)
389)
390
391else
392# not on mingw, check thread libraries.
393
394# check for thread library.
395# check this first, so that the pthread lib does not get linked in via
396# libssl or libpython, and thus distorts the tests, and we end up using
397# the non-threadsafe C libraries.
398AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
399 [use pthreads library, or --without-pthreads to disable threading support.]),
400 [ ],[ withval="yes" ])
401ub_have_pthreads=no
402if test x_$withval != x_no; then
403	AX_PTHREAD([
404		AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
405		LIBS="$PTHREAD_LIBS $LIBS"
406		CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
407		CC="$PTHREAD_CC"
408		ub_have_pthreads=yes
409		AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
410		])
411fi
412
413# check solaris thread library
414AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
415	[use solaris native thread library.]), [ ],[ withval="no" ])
416ub_have_sol_threads=no
417if test x_$withval != x_no; then
418	if test x_$ub_have_pthreads != x_no; then
419	    AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
420	else
421	AC_SEARCH_LIBS(thr_create, [thread],
422	[
423    		AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
424
425		ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
426			[CFLAGS="$CFLAGS -D_REENTRANT"])
427		ub_have_sol_threads=yes
428	] , [
429		AC_ERROR([no solaris threads found.])
430	])
431	fi
432fi
433
434fi # end of non-mingw check of thread libraries
435
436# Check for PyUnbound
437AC_ARG_WITH(pyunbound,
438   AC_HELP_STRING([--with-pyunbound],
439   [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
440   [], [ withval="no" ])
441
442ub_test_python=no
443ub_with_pyunbound=no
444if test x_$withval != x_no; then
445   ub_with_pyunbound=yes
446   ub_test_python=yes
447fi
448
449# Check for Python module
450AC_ARG_WITH(pythonmodule,
451   AC_HELP_STRING([--with-pythonmodule],
452   [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
453   [], [ withval="no" ])
454
455ub_with_pythonmod=no
456if test x_$withval != x_no; then
457   ub_with_pythonmod=yes
458   ub_test_python=yes
459fi
460
461# Check for Python & SWIG only on PyUnbound or PyModule
462if test x_$ub_test_python != x_no; then
463
464   # Check for Python
465   ub_have_python=no
466   ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
467   AC_PYTHON_DEVEL
468   if test ! -z "$PYTHON_VERSION"; then
469	if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
470		AC_ERROR([Python version >= 2.4.0 is required])
471	fi
472
473      # Have Python
474      AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
475      LIBS="$PYTHON_LDFLAGS $LIBS"
476      CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
477      ub_have_python=yes
478
479      # Check for SWIG
480      ub_have_swig=no
481      AC_PROG_SWIG
482      AC_MSG_CHECKING(SWIG)
483      if test ! -x "$SWIG"; then
484         AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
485      else
486         AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
487         AC_SUBST(swig, "$SWIG")
488         AC_MSG_RESULT(present)
489
490         # If have Python & SWIG
491         # Declare PythonMod
492         if test x_$ub_with_pythonmod != x_no; then
493            AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
494            WITH_PYTHONMODULE=yes
495            AC_SUBST(WITH_PYTHONMODULE)
496	    PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
497	    AC_SUBST(PYTHONMOD_OBJ)
498	    PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
499	    AC_SUBST(PYTHONMOD_HEADER)
500	    PYTHONMOD_INSTALL=pythonmod-install
501	    AC_SUBST(PYTHONMOD_INSTALL)
502	    PYTHONMOD_UNINSTALL=pythonmod-uninstall
503	    AC_SUBST(PYTHONMOD_UNINSTALL)
504         fi
505
506         # Declare PyUnbound
507         if test x_$ub_with_pyunbound != x_no; then
508            AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
509            WITH_PYUNBOUND=yes
510            AC_SUBST(WITH_PYUNBOUND)
511	    PYUNBOUND_OBJ="libunbound_wrap.lo"
512	    AC_SUBST(PYUNBOUND_OBJ)
513	    PYUNBOUND_TARGET="_unbound.la"
514	    AC_SUBST(PYUNBOUND_TARGET)
515	    PYUNBOUND_INSTALL=pyunbound-install
516	    AC_SUBST(PYUNBOUND_INSTALL)
517	    PYUNBOUND_UNINSTALL=pyunbound-uninstall
518	    AC_SUBST(PYUNBOUND_UNINSTALL)
519         fi
520      fi
521   else
522      AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
523      ub_with_pyunbound=no
524      ub_with_pythonmod=no
525   fi
526fi
527
528if test "`uname`" = "NetBSD"; then
529	NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
530	AC_SUBST(NETBSD_LINTFLAGS)
531fi
532CONFIG_DATE=`date +%Y%m%d`
533AC_SUBST(CONFIG_DATE)
534
535# Checks for libraries.
536
537# libnss
538USE_NSS="no"
539AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
540	[use libnss instead of openssl, installed at path.]),
541	[
542	USE_NSS="yes"
543	AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
544	if test "$withval" != "" -a "$withval" != "yes"; then
545		CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
546		LDFLAGS="$LDFLAGS -L$withval/lib"
547		ACX_RUNTIME_PATH_ADD([$withval/lib])
548		CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
549	else
550		CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
551		CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
552	fi
553        LIBS="$LIBS -lnss3 -lnspr4"
554	]
555)
556
557# openssl
558if test $USE_NSS = "no"; then
559ACX_WITH_SSL
560ACX_LIB_SSL
561AC_MSG_CHECKING([for LibreSSL])
562if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
563	AC_MSG_RESULT([yes])
564	AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
565	# libressl provides these compat functions, but they may also be
566	# declared by the OS in libc.  See if they have been declared.
567	AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform])
568else
569	AC_MSG_RESULT([no])
570fi
571AC_CHECK_HEADERS([openssl/conf.h],,, [AC_INCLUDES_DEFAULT])
572AC_CHECK_HEADERS([openssl/engine.h],,, [AC_INCLUDES_DEFAULT])
573AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode])
574AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free], [], [], [
575AC_INCLUDES_DEFAULT
576#ifdef HAVE_OPENSSL_ERR_H
577#include <openssl/err.h>
578#endif
579
580#ifdef HAVE_OPENSSL_RAND_H
581#include <openssl/rand.h>
582#endif
583
584#ifdef HAVE_OPENSSL_CONF_H
585#include <openssl/conf.h>
586#endif
587
588#ifdef HAVE_OPENSSL_ENGINE_H
589#include <openssl/engine.h>
590#endif
591#include <openssl/ssl.h>
592#include <openssl/evp.h>
593])
594fi
595
596
597AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
598case "$enable_sha2" in
599	no)
600	;;
601	yes|*)
602	AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
603	;;
604esac
605
606# check wether gost also works
607AC_DEFUN([AC_CHECK_GOST_WORKS],
608[AC_REQUIRE([AC_PROG_CC])
609AC_MSG_CHECKING([if GOST works])
610if test c${cross_compiling} = cno; then
611BAKCFLAGS="$CFLAGS"
612if test -n "$ssldir"; then
613	CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
614fi
615AC_RUN_IFELSE([AC_LANG_SOURCE([[
616#include <string.h>
617#include <openssl/ssl.h>
618#include <openssl/evp.h>
619#include <openssl/engine.h>
620#include <openssl/conf.h>
621/* routine to load gost (from sldns) */
622int load_gost_id(void)
623{
624	static int gost_id = 0;
625	const EVP_PKEY_ASN1_METHOD* meth;
626	ENGINE* e;
627
628	if(gost_id) return gost_id;
629
630	/* see if configuration loaded gost implementation from other engine*/
631	meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
632	if(meth) {
633		EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
634		return gost_id;
635	}
636
637	/* see if engine can be loaded already */
638	e = ENGINE_by_id("gost");
639	if(!e) {
640		/* load it ourself, in case statically linked */
641		ENGINE_load_builtin_engines();
642		ENGINE_load_dynamic();
643		e = ENGINE_by_id("gost");
644	}
645	if(!e) {
646		/* no gost engine in openssl */
647		return 0;
648	}
649	if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
650		ENGINE_finish(e);
651		ENGINE_free(e);
652		return 0;
653	}
654
655	meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
656	if(!meth) {
657		/* algo not found */
658		ENGINE_finish(e);
659		ENGINE_free(e);
660		return 0;
661	}
662	EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
663	return gost_id;
664}
665int main(void) {
666	EVP_MD_CTX* ctx;
667	const EVP_MD* md;
668	unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
669	const char* str = "Hello world";
670	const unsigned char check[] = {
671		0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
672		0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
673		0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
674		0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
675	};
676	OPENSSL_config(NULL);
677	(void)load_gost_id();
678	md = EVP_get_digestbyname("md_gost94");
679	if(!md) return 1;
680	memset(digest, 0, sizeof(digest));
681	ctx = EVP_MD_CTX_create();
682	if(!ctx) return 2;
683	if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
684	if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
685	if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
686	/* uncomment to see the hash calculated.
687		{int i;
688		for(i=0; i<32; i++)
689			printf(" %2.2x", (int)digest[i]);
690		printf("\n");}
691	*/
692	if(memcmp(digest, check, sizeof(check)) != 0)
693		return 6;
694	return 0;
695}
696]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
697CFLAGS="$BAKCFLAGS"
698else
699eval "ac_cv_c_gost_works=maybe"
700fi
701AC_MSG_RESULT($ac_cv_c_gost_works)
702])dnl
703
704AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
705use_gost="no"
706if test $USE_NSS = "no"; then
707case "$enable_gost" in
708	no)
709	;;
710	*)
711	AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
712	AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
713	AC_CHECK_GOST_WORKS
714	if test "$ac_cv_c_gost_works" != no; then
715		use_gost="yes"
716		AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
717	fi
718	;;
719esac
720fi dnl !USE_NSS
721
722AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
723use_ecdsa="no"
724case "$enable_ecdsa" in
725    no)
726      ;;
727    *)
728      if test $USE_NSS = "no"; then
729	      AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
730	      AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
731	      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
732#include <openssl/evp.h>
733	      ])
734	      # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
735	      AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
736	      if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
737		if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
738		  AC_MSG_RESULT([no])
739		  AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
740		else
741		  AC_MSG_RESULT([yes])
742		fi
743	      else
744		# not OpenSSL, thus likely LibreSSL, which supports it
745		AC_MSG_RESULT([yes])
746	      fi
747      fi
748      # we now know we have ECDSA and the required curves.
749      AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
750      use_ecdsa="yes"
751      ;;
752esac
753
754AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) libevent-based libunbound API installed to unbound-event.h]))
755use_unbound_event="no"
756case "$enable_event_api" in
757    yes)
758      use_unbound_event="yes"
759      ;;
760    *)
761      ;;
762esac
763
764# check for libevent
765AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
766    [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.]),
767    [ ],[ withval="no" ])
768if test x_$withval = x_yes -o x_$withval != x_no; then
769        AC_MSG_CHECKING(for libevent)
770        if test x_$withval = x_ -o x_$withval = x_yes; then
771            withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
772        fi
773        for dir in $withval; do
774            thedir="$dir"
775            if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
776                found_libevent="yes"
777		dnl assume /usr is in default path.
778		if test "$thedir" != "/usr"; then
779                    CPPFLAGS="$CPPFLAGS -I$thedir/include"
780		fi
781                break;
782            fi
783        done
784        if test x_$found_libevent != x_yes; then
785		if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
786			# libevent source directory
787            		AC_MSG_RESULT(found in $thedir)
788                	CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
789			BAK_LDFLAGS_SET="1"
790			BAK_LDFLAGS="$LDFLAGS"
791			# remove evdns from linking
792			mkdir build >/dev/null 2>&1
793			mkdir build/libevent >/dev/null 2>&1
794			mkdir build/libevent/.libs >/dev/null 2>&1
795			ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
796			ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
797			ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
798			cp $ev_files_o build/libevent
799			cp $ev_files_lo build/libevent
800			cp $ev_files_libso build/libevent/.libs
801            		LATE_LDFLAGS="build/libevent/*.lo -lm"
802			LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
803		else
804            		AC_MSG_ERROR([Cannot find the libevent library in $withval
805You can restart ./configure --with-libevent=no to use a builtin alternative.
806Please note that this alternative is not as capable as libevent when using
807large outgoing port ranges.  ])
808		fi
809        else
810            AC_MSG_RESULT(found in $thedir)
811	    dnl if event2 exists and no event lib in dir itself, use subdir
812	    if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
813		    LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
814		    ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
815	    else
816		    dnl assume /usr is in default path, do not add "".
817		    if test "$thedir" != "/usr" -a "$thedir" != ""; then
818			LDFLAGS="$LDFLAGS -L$thedir/lib"
819			ACX_RUNTIME_PATH_ADD([$thedir/lib])
820		    fi
821	    fi
822        fi
823	# check for library used by libevent after 1.3c
824	AC_SEARCH_LIBS([clock_gettime], [rt])
825
826	# is the event.h header libev or libevent?
827	AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
828	AC_CHECK_DECL(EV_VERSION_MAJOR, [
829		AC_SEARCH_LIBS(event_set, [ev])
830	],[
831		AC_SEARCH_LIBS(event_set, [event])
832	],[AC_INCLUDES_DEFAULT
833#include <event.h>
834	])
835	AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
836	AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
837	AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
838	AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
839	AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
840	AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
841	if test -n "$BAK_LDFLAGS_SET"; then
842		LDFLAGS="$BAK_LDFLAGS"
843	fi
844        if test "$use_unbound_event" = "yes"; then
845		AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
846		AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
847	fi
848else
849	AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
850fi
851
852# check for libexpat
853AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
854    [specify explicit path for libexpat.]),
855    [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
856AC_MSG_CHECKING(for libexpat)
857found_libexpat="no"
858for dir in $withval ; do
859            if test -f "$dir/include/expat.h"; then
860		found_libexpat="yes"
861		dnl assume /usr is in default path.
862		if test "$dir" != "/usr"; then
863                    CPPFLAGS="$CPPFLAGS -I$dir/include"
864		    LDFLAGS="$LDFLAGS -L$dir/lib"
865		fi
866            	AC_MSG_RESULT(found in $dir)
867                break;
868            fi
869done
870if test x_$found_libexpat != x_yes; then
871	AC_ERROR([Could not find libexpat, expat.h])
872fi
873AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
874
875# set static linking if requested
876AC_SUBST(staticexe)
877staticexe=""
878AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
879	[ enable to compile executables statically against (event) libs, for debug purposes ]),
880	, )
881if test x_$enable_static_exe = x_yes; then
882	staticexe="-static"
883	if test "$on_mingw" = yes; then
884		staticexe="-all-static"
885		# for static crosscompile, include gdi32 and zlib here.
886		if test "`uname`" = "Linux"; then
887			LIBS="$LIBS -lgdi32 -lz"
888		fi
889	fi
890fi
891
892# set lock checking if requested
893AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
894	[ enable to check lock and unlock calls, for debug purposes ]),
895	, )
896if test x_$enable_lock_checks = x_yes; then
897	AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
898	CHECKLOCK_OBJ="checklocks.lo"
899	AC_SUBST(CHECKLOCK_OBJ)
900fi
901
902ACX_CHECK_GETADDRINFO_WITH_INCLUDES
903if test "$USE_WINSOCK" = 1; then
904	AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
905	AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
906#include <windows.h>
907	])
908	AC_CHECK_TOOL(WINDRES, windres)
909	LIBS="$LIBS -liphlpapi"
910	WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
911	AC_SUBST(WINAPPS)
912	WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
913	AC_SUBST(WIN_DAEMON_SRC)
914	WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
915	AC_SUBST(WIN_DAEMON_OBJ)
916	WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
917	AC_SUBST(WIN_DAEMON_OBJ_LINK)
918	WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
919	AC_SUBST(WIN_HOST_OBJ_LINK)
920	WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
921	AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
922	WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
923	AC_SUBST(WIN_CONTROL_OBJ_LINK)
924	WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
925	AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
926fi
927if test $ac_cv_func_getaddrinfo = no; then
928	AC_LIBOBJ([fake-rfc2553])
929fi
930# check after getaddrinfo for its libraries
931ACX_FUNC_IOCTLSOCKET
932
933# see if daemon(3) exists, and if it is deprecated.
934AC_CHECK_FUNCS([daemon])
935if test $ac_cv_func_daemon = yes; then
936	ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
937#include <stdlib.h>
938])
939fi
940
941AC_CHECK_MEMBERS([struct sockaddr_un.sun_len],,,[
942AC_INCLUDES_DEFAULT
943#ifdef HAVE_SYS_UN_H
944#include <sys/un.h>
945#endif
946])
947AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
948AC_INCLUDES_DEFAULT
949#if HAVE_SYS_PARAM_H
950#include <sys/param.h>
951#endif
952
953#ifdef HAVE_SYS_SOCKET_H
954#include <sys/socket.h>
955#endif
956
957#ifdef HAVE_SYS_UIO_H
958#include <sys/uio.h>
959#endif
960
961#ifdef HAVE_NETINET_IN_H
962#include <netinet/in.h>
963#endif
964
965#ifdef HAVE_ARPA_INET_H
966#include <arpa/inet.h>
967#endif
968
969#ifdef HAVE_WINSOCK2_H
970#include <winsock2.h>
971#endif
972
973#ifdef HAVE_WS2TCPIP_H
974#include <ws2tcpip.h>
975#endif
976])
977AC_SEARCH_LIBS([setusercontext], [util])
978AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent])
979AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
980AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
981
982# check if setreuid en setregid fail, on MacOSX10.4(darwin8).
983if echo $build_os | grep darwin8 > /dev/null; then
984	AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
985fi
986AC_REPLACE_FUNCS(inet_aton)
987AC_REPLACE_FUNCS(inet_pton)
988AC_REPLACE_FUNCS(inet_ntop)
989AC_REPLACE_FUNCS(snprintf)
990AC_REPLACE_FUNCS(strlcat)
991AC_REPLACE_FUNCS(strlcpy)
992AC_REPLACE_FUNCS(memmove)
993AC_REPLACE_FUNCS(gmtime_r)
994LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
995AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
996if test "$USE_NSS" = "no"; then
997	AC_REPLACE_FUNCS(arc4random)
998	AC_REPLACE_FUNCS(arc4random_uniform)
999	if test "$ac_cv_func_arc4random" = "no"; then
1000		AC_LIBOBJ(explicit_bzero)
1001		AC_LIBOBJ(arc4_lock)
1002		AC_CHECK_FUNCS([getentropy],,[
1003		    if test "$USE_WINSOCK" = 1; then
1004			AC_LIBOBJ(getentropy_win)
1005		    else
1006			case `uname` in
1007			Darwin)
1008				AC_LIBOBJ(getentropy_osx)
1009			;;
1010			SunOS)
1011				AC_LIBOBJ(getentropy_solaris)
1012				AC_CHECK_HEADERS([sys/sha2.h],, [
1013					AC_CHECK_FUNCS([SHA512_Update],,[
1014						AC_LIBOBJ(sha512)
1015					])
1016				], [AC_INCLUDES_DEFAULT])
1017				if test "$ac_cv_header_sys_sha2_h" = "yes"; then
1018					# this lib needed for sha2 on solaris
1019					LIBS="$LIBS -lmd"
1020				fi
1021			;;
1022			Linux|*)
1023				AC_LIBOBJ(getentropy_linux)
1024				AC_CHECK_FUNCS([SHA512_Update],,[
1025					AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
1026					AC_LIBOBJ(sha512)
1027				])
1028				AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
1029				AC_SEARCH_LIBS([clock_gettime], [rt])
1030			;;
1031			esac
1032		    fi
1033		])
1034	fi
1035fi
1036LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
1037AC_SUBST(LIBOBJ_WITHOUT_CTIME)
1038AC_REPLACE_FUNCS(ctime_r)
1039
1040AC_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]))
1041case "$enable_allsymbols" in
1042	yes)
1043	COMMON_OBJ_ALL_SYMBOLS=""
1044	UBSYMS=""
1045	EXTRALINK="-L. -L.libs -lunbound"
1046	AC_DEFINE(EXPORT_ALL_SYMBOLS, 1, [Define this if you enabled-allsymbols from libunbound to link binaries to it for smaller install size, but the libunbound export table is polluted by internal symbols])
1047	;;
1048	no|*)
1049	COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
1050	UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
1051	EXTRALINK=""
1052	;;
1053esac
1054AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
1055AC_SUBST(EXTRALINK)
1056AC_SUBST(UBSYMS)
1057if test x_$enable_lock_checks = x_yes; then
1058	UBSYMS="-export-symbols clubsyms.def"
1059	cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
1060	echo lock_protect >> clubsyms.def
1061	echo lock_unprotect >> clubsyms.def
1062	echo lock_get_mem >> clubsyms.def
1063	echo checklock_start >> clubsyms.def
1064	echo checklock_stop >> clubsyms.def
1065	echo checklock_lock >> clubsyms.def
1066	echo checklock_unlock >> clubsyms.def
1067	echo checklock_init >> clubsyms.def
1068	echo checklock_thrcreate >> clubsyms.def
1069	echo checklock_thrjoin >> clubsyms.def
1070fi
1071
1072# check for dnstap if requested
1073dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
1074    [
1075        AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support])
1076        AC_SUBST([ENABLE_DNSTAP], [1])
1077
1078        AC_SUBST([opt_dnstap_socket_path])
1079        ACX_ESCAPE_BACKSLASH($opt_dnstap_socket_path, hdr_dnstap_socket_path)
1080        AC_DEFINE_UNQUOTED(DNSTAP_SOCKET_PATH,
1081            ["$hdr_dnstap_socket_path"], [default dnstap socket path])
1082
1083        AC_SUBST([DNSTAP_SRC], ["dnstap/dnstap.c dnstap/dnstap.pb-c.c"])
1084        AC_SUBST([DNSTAP_OBJ], ["dnstap.lo dnstap.pb-c.lo"])
1085    ],
1086    [
1087        AC_SUBST([ENABLE_DNSTAP], [0])
1088    ]
1089)
1090
1091AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
1092# on openBSD, the implicit rule make $< work.
1093# on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
1094# gmake works.
1095cat >conftest.make <<EOF
1096all:	conftest.lo
1097
1098conftest.lo foo.lo bla.lo:
1099	if test -f "\$<"; then touch \$@; fi
1100
1101.SUFFIXES: .lo
1102.c.lo:
1103	if test -f "\$<"; then touch \$@; fi
1104
1105conftest.lo:        conftest.dir/conftest.c
1106EOF
1107mkdir conftest.dir
1108touch conftest.dir/conftest.c
1109rm -f conftest.lo conftest.c
1110${MAKE:-make} -f conftest.make >/dev/null
1111rm -f conftest.make conftest.c conftest.dir/conftest.c
1112rm -rf conftest.dir
1113if test ! -f conftest.lo; then
1114	AC_MSG_RESULT(no)
1115	SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
1116	SOURCEFILE='`cat .source`'
1117else
1118	AC_MSG_RESULT(yes)
1119	SOURCEDETERMINE=':'
1120	SOURCEFILE='$<'
1121fi
1122rm -f conftest.lo
1123AC_SUBST(SOURCEDETERMINE)
1124AC_SUBST(SOURCEFILE)
1125
1126# see if we want to build the library or everything
1127ALLTARGET="alltargets"
1128INSTALLTARGET="install-all"
1129AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
1130	[do not build daemon and tool programs]),
1131	[
1132	if test "$withval" = "yes"; then
1133		ALLTARGET="lib"
1134		INSTALLTARGET="install-lib"
1135	fi
1136])
1137AC_SUBST(ALLTARGET)
1138AC_SUBST(INSTALLTARGET)
1139
1140ACX_STRIP_EXT_FLAGS
1141LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
1142
1143AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
1144
1145AH_BOTTOM(
1146dnl this must be first AH_CONFIG, to define the flags before any includes.
1147AHX_CONFIG_EXT_FLAGS
1148
1149dnl includes
1150[
1151#ifndef UNBOUND_DEBUG
1152#  define NDEBUG
1153#endif
1154
1155/** Use small-ldns codebase */
1156#define USE_SLDNS 1
1157#ifdef HAVE_SSL
1158#  define LDNS_BUILD_CONFIG_HAVE_SSL 1
1159#endif
1160
1161#include <stdio.h>
1162#include <string.h>
1163#include <unistd.h>
1164#include <assert.h>
1165
1166#if STDC_HEADERS
1167#include <stdlib.h>
1168#include <stddef.h>
1169#endif
1170
1171#ifdef HAVE_STDARG_H
1172#include <stdarg.h>
1173#endif
1174
1175#ifdef HAVE_STDINT_H
1176#include <stdint.h>
1177#endif
1178
1179#include <errno.h>
1180
1181#if HAVE_SYS_PARAM_H
1182#include <sys/param.h>
1183#endif
1184
1185#ifdef HAVE_SYS_SOCKET_H
1186#include <sys/socket.h>
1187#endif
1188
1189#ifdef HAVE_SYS_UIO_H
1190#include <sys/uio.h>
1191#endif
1192
1193#ifdef HAVE_NETINET_IN_H
1194#include <netinet/in.h>
1195#endif
1196
1197#ifdef HAVE_ARPA_INET_H
1198#include <arpa/inet.h>
1199#endif
1200
1201#ifdef HAVE_WINSOCK2_H
1202#include <winsock2.h>
1203#endif
1204
1205#ifdef HAVE_WS2TCPIP_H
1206#include <ws2tcpip.h>
1207#endif
1208
1209#ifndef USE_WINSOCK
1210#define ARG_LL "%ll"
1211#else
1212#define ARG_LL "%I64"
1213#endif
1214]
1215
1216AHX_CONFIG_FORMAT_ATTRIBUTE
1217AHX_CONFIG_UNUSED_ATTRIBUTE
1218AHX_CONFIG_FSEEKO
1219AHX_CONFIG_MAXHOSTNAMELEN
1220AHX_CONFIG_SNPRINTF(unbound)
1221AHX_CONFIG_INET_PTON(unbound)
1222AHX_CONFIG_INET_NTOP(unbound)
1223AHX_CONFIG_INET_ATON(unbound)
1224AHX_CONFIG_MEMMOVE(unbound)
1225AHX_CONFIG_STRLCAT(unbound)
1226AHX_CONFIG_STRLCPY(unbound)
1227AHX_CONFIG_GMTIME_R(unbound)
1228AHX_CONFIG_W32_SLEEP
1229AHX_CONFIG_W32_USLEEP
1230AHX_CONFIG_W32_RANDOM
1231AHX_CONFIG_W32_SRANDOM
1232AHX_CONFIG_W32_FD_SET_T
1233AHX_CONFIG_IPV6_MIN_MTU
1234AHX_MEMCMP_BROKEN(unbound)
1235
1236[
1237#ifndef HAVE_CTIME_R
1238#define ctime_r unbound_ctime_r
1239char *ctime_r(const time_t *timep, char *buf);
1240#endif
1241
1242#if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
1243#define strptime unbound_strptime
1244struct tm;
1245char *strptime(const char *s, const char *format, struct tm *tm);
1246#endif
1247
1248#ifdef HAVE_LIBRESSL
1249#  if !HAVE_DECL_STRLCPY
1250size_t strlcpy(char *dst, const char *src, size_t siz);
1251#  endif
1252#  if !HAVE_DECL_STRLCAT
1253size_t strlcat(char *dst, const char *src, size_t siz);
1254#  endif
1255#  if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
1256uint32_t arc4random(void);
1257#  endif
1258#  if !HAVE_DECL_ARC4RANDOM_UNIFORM && defined(HAVE_ARC4RANDOM_UNIFORM)
1259uint32_t arc4random_uniform(uint32_t upper_bound);
1260#  endif
1261#endif /* HAVE_LIBRESSL */
1262#ifndef HAVE_ARC4RANDOM
1263void explicit_bzero(void* buf, size_t len);
1264int getentropy(void* buf, size_t len);
1265uint32_t arc4random(void);
1266void arc4random_buf(void* buf, size_t n);
1267void _ARC4_LOCK(void);
1268void _ARC4_UNLOCK(void);
1269#endif
1270#ifndef HAVE_ARC4RANDOM_UNIFORM
1271uint32_t arc4random_uniform(uint32_t upper_bound);
1272#endif
1273#ifdef COMPAT_SHA512
1274#ifndef SHA512_DIGEST_LENGTH
1275#define SHA512_BLOCK_LENGTH		128
1276#define SHA512_DIGEST_LENGTH		64
1277#define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
1278typedef struct _SHA512_CTX {
1279	uint64_t	state[8];
1280	uint64_t	bitcount[2];
1281	uint8_t	buffer[SHA512_BLOCK_LENGTH];
1282} SHA512_CTX;
1283#endif /* SHA512_DIGEST_LENGTH */
1284void SHA512_Init(SHA512_CTX*);
1285void SHA512_Update(SHA512_CTX*, void*, size_t);
1286void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
1287unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
1288#endif /* COMPAT_SHA512 */
1289
1290
1291
1292#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))
1293   /* using version of libevent that is not threadsafe. */
1294#  define LIBEVENT_SIGNAL_PROBLEM 1
1295#endif
1296
1297#ifndef CHECKED_INET6
1298#  define CHECKED_INET6
1299#  ifdef AF_INET6
1300#    define INET6
1301#  else
1302#    define AF_INET6        28
1303#  endif
1304#endif /* CHECKED_INET6 */
1305
1306#ifndef HAVE_GETADDRINFO
1307struct sockaddr_storage;
1308#include "compat/fake-rfc2553.h"
1309#endif
1310
1311#ifdef UNBOUND_ALLOC_STATS
1312#  define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
1313#  define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
1314#  define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
1315#  define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
1316void *unbound_stat_malloc(size_t size);
1317void *unbound_stat_calloc(size_t nmemb, size_t size);
1318void unbound_stat_free(void *ptr);
1319void *unbound_stat_realloc(void *ptr, size_t size);
1320void *unbound_stat_malloc_log(size_t size, const char* file, int line,
1321	const char* func);
1322void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
1323	int line, const char* func);
1324void unbound_stat_free_log(void *ptr, const char* file, int line,
1325	const char* func);
1326void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
1327	int line, const char* func);
1328#elif defined(UNBOUND_ALLOC_LITE)
1329#  include "util/alloc.h"
1330#endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
1331
1332/** default port for DNS traffic. */
1333#define UNBOUND_DNS_PORT 53
1334/** default port for unbound control traffic, registered port with IANA,
1335    ub-dns-control  8953/tcp    unbound dns nameserver control */
1336#define UNBOUND_CONTROL_PORT 8953
1337/** the version of unbound-control that this software implements */
1338#define UNBOUND_CONTROL_VERSION 1
1339
1340])
1341
1342dnl if we build from source tree, the man pages need @date@ and @version@
1343dnl if this is a distro tarball, that was already done by makedist.sh
1344AC_SUBST(version, [VERSION_MAJOR.VERSION_MINOR.VERSION_MICRO])
1345AC_SUBST(date, [`date +'%b %e, %Y'`])
1346
1347AC_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])
1348AC_CONFIG_HEADER([config.h])
1349AC_OUTPUT
1350