forked from monero-project/monero
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathconfigure.ac
1468 lines (1344 loc) · 44.5 KB
/
configure.ac
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.56)
sinclude(acx_nlnetlabs.m4)
sinclude(ax_pthread.m4)
sinclude(acx_python.m4)
sinclude(ac_pkg_swig.m4)
sinclude(dnstap/dnstap.m4)
# must be numbers. ac_defun because of later processing
m4_define([VERSION_MAJOR],[1])
m4_define([VERSION_MINOR],[5])
m4_define([VERSION_MICRO],[8])
AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), [email protected], unbound)
AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
LIBUNBOUND_CURRENT=5
LIBUNBOUND_REVISION=11
LIBUNBOUND_AGE=3
# 1.0.0 had 0:12:0
# 1.0.1 had 0:13:0
# 1.0.2 had 0:14:0
# 1.1.0 had 0:15:0
# 1.1.1 had 0:16:0
# 1.2.0 had 0:17:0
# 1.2.1 had 0:18:0
# 1.3.0 had 1:0:0 # ub_cancel and -export-symbols.
# 1.3.1 had 1:1:0
# 1.3.2 had 1:2:0
# 1.3.3 had 1:3:0
# 1.3.4 had 1:4:0
# 1.4.0-snapshots had 1:5:0
# 1.4.0 had 1:5:0 (not 2:0:0) # ub_result.why_bogus
# 1.4.1 had 2:1:0
# 1.4.2 had 2:2:0
# 1.4.3 had 2:3:0
# 1.4.4 had 2:4:0
# 1.4.5 had 2:5:0
# 1.4.6 had 2:6:0
# 1.4.7 had 2:7:0
# 1.4.8 had 2:8:0
# 1.4.9 had 2:9:0
# 1.4.10 had 2:10:0
# 1.4.11 had 2:11:0
# 1.4.12 had 2:12:0
# 1.4.13 had 2:13:0
# and 1.4.13p1 and 1.4.13.p2
# 1.4.14 had 2:14:0
# 1.4.15 had 3:0:1 # adds ub_version()
# 1.4.16 had 3:1:1
# 1.4.17 had 3:2:1
# 1.4.18 had 3:3:1
# 1.4.19 had 3:4:1
# 1.4.20 had 4:0:2 # adds libunbound.ttl # but shipped 3:5:1
# 1.4.21 had 4:1:2
# 1.4.22 had 4:1:2
# 1.5.0 had 5:3:3 # adds ub_ctx_add_ta_autr
# 1.5.1 had 5:3:3
# 1.5.2 had 5:5:3
# 1.5.3 had 5:6:3
# 1.5.4 had 5:7:3
# 1.5.5 had 5:8:3
# 1.5.6 had 5:9:3
# 1.5.7 had 5:10:3
# 1.5.8 had 5:11:3
# Current -- the number of the binary API that we're implementing
# Revision -- which iteration of the implementation of the binary
# API are we supplying?
# Age -- How many previous binary API versions do we also
# support?
#
# If we release a new version that does not change the binary API,
# increment Revision.
#
# If we release a new version that changes the binary API, but does
# not break programs compiled against the old binary API, increment
# Current and Age. Set Revision to 0, since this is the first
# implementation of the new API.
#
# Otherwise, we're changing the binary API and breaking bakward
# compatibility with old binaries. Increment Current. Set Age to 0,
# since we're backward compatible with no previous APIs. Set Revision
# to 0 too.
AC_SUBST(LIBUNBOUND_CURRENT)
AC_SUBST(LIBUNBOUND_REVISION)
AC_SUBST(LIBUNBOUND_AGE)
CFLAGS="$CFLAGS"
AC_AIX
if test "$ac_cv_header_minix_config_h" = "yes"; then
AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
fi
dnl
dnl By default set prefix to /usr/local
dnl
case "$prefix" in
NONE)
prefix="/usr/local"
;;
esac
# are we on MinGW?
if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
else
if echo $target | grep mingw32 >/dev/null; then on_mingw="yes"
else on_mingw="no"; fi
fi
#
# Determine configuration file
# the eval is to evaluate shell expansion twice
if test $on_mingw = "no"; then
ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
else
ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
fi
AC_ARG_WITH([conf_file],
AC_HELP_STRING([--with-conf-file=path],
[Pathname to the Unbound configuration file]),
[ub_conf_file="$withval"])
AC_SUBST(ub_conf_file)
ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
ub_conf_dir=`AS_DIRNAME(["$ub_conf_file"])`
AC_SUBST(ub_conf_dir)
# Determine run, chroot directory and pidfile locations
AC_ARG_WITH(run-dir,
AC_HELP_STRING([--with-run-dir=path],
[set default directory to chdir to (by default dir part of cfg file)]),
UNBOUND_RUN_DIR="$withval",
if test $on_mingw = no; then
UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
else
UNBOUND_RUN_DIR=""
fi
)
AC_SUBST(UNBOUND_RUN_DIR)
ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
AC_ARG_WITH(chroot-dir,
AC_HELP_STRING([--with-chroot-dir=path],
[set default directory to chroot to (by default same as run-dir)]),
UNBOUND_CHROOT_DIR="$withval",
if test $on_mingw = no; then
UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
else
UNBOUND_CHROOT_DIR=""
fi
)
AC_SUBST(UNBOUND_CHROOT_DIR)
ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
AC_ARG_WITH(share-dir,
AC_HELP_STRING([--with-share-dir=path],
[set default directory with shared data (by default same as share/unbound)]),
UNBOUND_SHARE_DIR="$withval",
UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
AC_SUBST(UNBOUND_SHARE_DIR)
AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
AC_ARG_WITH(pidfile,
AC_HELP_STRING([--with-pidfile=filename],
[set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
UNBOUND_PIDFILE="$withval",
if test $on_mingw = no; then
UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
else
UNBOUND_PIDFILE=""
fi
)
AC_SUBST(UNBOUND_PIDFILE)
ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
AC_ARG_WITH(rootkey-file,
AC_HELP_STRING([--with-rootkey-file=filename],
[set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
UNBOUND_ROOTKEY_FILE="$withval",
if test $on_mingw = no; then
UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
else
UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
fi
)
AC_SUBST(UNBOUND_ROOTKEY_FILE)
ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
AC_ARG_WITH(rootcert-file,
AC_HELP_STRING([--with-rootcert-file=filename],
[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.]),
UNBOUND_ROOTCERT_FILE="$withval",
if test $on_mingw = no; then
UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
else
UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
fi
)
AC_SUBST(UNBOUND_ROOTCERT_FILE)
ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
AC_ARG_WITH(username,
AC_HELP_STRING([--with-username=user],
[set default user that unbound changes to (default user is unbound)]),
UNBOUND_USERNAME="$withval",
UNBOUND_USERNAME="unbound")
AC_SUBST(UNBOUND_USERNAME)
AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
ACX_RSRC_VERSION(wnvs)
AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_LANG_C
# allow user to override the -g -O2 flags.
if test "x$CFLAGS" = "x" ; then
ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
fi
AC_PROG_CC
ACX_DEPFLAG
ACX_DETERMINE_EXT_FLAGS_UNBOUND
# debug mode flags warnings
AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
else debug_enabled="$enable_checking"; fi
AC_SUBST(debug_enabled)
case "$debug_enabled" in
yes)
ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
;;
no|*)
# nothing to do.
;;
esac
ACX_CHECK_FLTO
ACX_CHECK_PIE
ACX_CHECK_RELRO_NOW
AC_C_INLINE
ACX_CHECK_FORMAT_ATTRIBUTE
ACX_CHECK_UNUSED_ATTRIBUTE
if test "$srcdir" != "."; then
CPPFLAGS="$CPPFLAGS -I$srcdir"
fi
AC_DEFUN([ACX_YYLEX_DESTROY], [
AC_MSG_CHECKING([for yylex_destroy])
if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
AC_MSG_RESULT(yes)
else AC_MSG_RESULT(no); fi
])
AC_PROG_LEX
ACX_YYLEX_DESTROY
AC_PROG_YACC
AC_CHECK_PROG(doxygen, doxygen, doxygen)
AC_CHECK_TOOL(STRIP, strip)
ACX_LIBTOOL_C_ONLY
# Checks for header files.
AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h sys/param.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h],,, [AC_INCLUDES_DEFAULT])
# check for types.
# Using own tests for int64* because autoconf builtin only give 32bit.
AC_CHECK_TYPE(int8_t, signed char)
AC_CHECK_TYPE(int16_t, short)
AC_CHECK_TYPE(int32_t, int)
AC_CHECK_TYPE(int64_t, long long)
AC_CHECK_TYPE(uint8_t, unsigned char)
AC_CHECK_TYPE(uint16_t, unsigned short)
AC_CHECK_TYPE(uint32_t, unsigned int)
AC_CHECK_TYPE(uint64_t, unsigned long long)
AC_TYPE_SIZE_T
AC_CHECK_TYPE(ssize_t, int)
AC_TYPE_UID_T
AC_TYPE_PID_T
AC_TYPE_OFF_T
ACX_TYPE_U_CHAR
ACX_TYPE_RLIM_T
ACX_TYPE_SOCKLEN_T
ACX_TYPE_IN_ADDR_T
ACX_TYPE_IN_PORT_T
ACX_CHECK_MEMCMP_SIGNED
AC_CHECK_SIZEOF(time_t,,[
AC_INCLUDES_DEFAULT
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
])
# add option to disable the evil rpath
ACX_ARG_RPATH
AC_SUBST(RUNTIME_PATH)
# check to see if libraries are needed for these functions.
AC_SEARCH_LIBS([inet_pton], [nsl])
AC_SEARCH_LIBS([socket], [socket])
# check wether strptime also works
AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether strptime works)
if test c${cross_compiling} = cno; then
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#define _XOPEN_SOURCE 600
#include <time.h>
int main(void) { struct tm tm; char *res;
res = strptime("2010-07-15T00:00:00+00:00", "%t%Y%t-%t%m%t-%t%d%tT%t%H%t:%t%M%t:%t%S%t", &tm);
if (!res) return 2;
res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
if (!res) return 1; return 0; }
]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
else
eval "ac_cv_c_strptime_works=maybe"
fi
AC_MSG_RESULT($ac_cv_c_strptime_works)
if test $ac_cv_c_strptime_works = no; then
AC_LIBOBJ(strptime)
else
AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
fi
])dnl
# check some functions of the OS before linking libs (while still runnable).
AC_FUNC_CHOWN
AC_FUNC_FORK
AC_TYPE_SIGNAL
AC_FUNC_FSEEKO
ACX_SYS_LARGEFILE
ACX_CHECK_NONBLOCKING_BROKEN
ACX_MKDIR_ONE_ARG
AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
# set memory allocation checking if requested
AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
[ enable to memory allocation statistics, for debug purposes ]),
, )
AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
[ enable for lightweight alloc assertions, for debug purposes ]),
, )
AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
[ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
, )
if test x_$enable_alloc_nonregional = x_yes; then
AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
fi
if test x_$enable_alloc_checks = x_yes; then
AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
else
if test x_$enable_alloc_lite = x_yes; then
AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
else
ACX_FUNC_MALLOC([unbound])
fi
fi
# check windows threads (we use them, not pthreads, on windows).
if test "$on_mingw" = "yes"; then
# check windows threads
AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
AC_MSG_CHECKING([for CreateThread])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
], [
HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
])],
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
,
AC_MSG_RESULT(no)
)
else
# not on mingw, check thread libraries.
# check for thread library.
# check this first, so that the pthread lib does not get linked in via
# libssl or libpython, and thus distorts the tests, and we end up using
# the non-threadsafe C libraries.
AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
[use pthreads library, or --without-pthreads to disable threading support.]),
[ ],[ withval="yes" ])
ub_have_pthreads=no
if test x_$withval != x_no; then
AX_PTHREAD([
AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"
ub_have_pthreads=yes
AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
if echo "$CFLAGS" | grep -e "-pthread" >/dev/null; then
AC_MSG_CHECKING([if -pthread unused during linking])
# catch clang warning 'argument unused during compilation'
AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
[[
int main(void) {return 0;}
]])])
pthread_unused="yes"
# first compile
echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
$CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
if test $? = 0; then
# then link
echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
if test $? -ne 0; then
AC_MSG_RESULT(yes)
CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
PTHREAD_CFLAGS_ONLY="-pthread"
AC_SUBST(PTHREAD_CFLAGS_ONLY)
else
AC_MSG_RESULT(no)
fi
else
AC_MSG_RESULT(no)
fi # endif cc successful
rm -f conftest conftest.c conftest.o
fi # endif -pthread in CFLAGS
])
fi
# check solaris thread library
AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
[use solaris native thread library.]), [ ],[ withval="no" ])
ub_have_sol_threads=no
if test x_$withval != x_no; then
if test x_$ub_have_pthreads != x_no; then
AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
else
AC_SEARCH_LIBS(thr_create, [thread],
[
AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
[CFLAGS="$CFLAGS -D_REENTRANT"])
ub_have_sol_threads=yes
] , [
AC_ERROR([no solaris threads found.])
])
fi
fi
fi # end of non-mingw check of thread libraries
# Check for PyUnbound
AC_ARG_WITH(pyunbound,
AC_HELP_STRING([--with-pyunbound],
[build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
[], [ withval="no" ])
ub_test_python=no
ub_with_pyunbound=no
if test x_$withval != x_no; then
ub_with_pyunbound=yes
ub_test_python=yes
fi
# Check for Python module
AC_ARG_WITH(pythonmodule,
AC_HELP_STRING([--with-pythonmodule],
[build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
[], [ withval="no" ])
ub_with_pythonmod=no
if test x_$withval != x_no; then
ub_with_pythonmod=yes
ub_test_python=yes
fi
# Check for Python & SWIG only on PyUnbound or PyModule
if test x_$ub_test_python != x_no; then
# Check for Python
ub_have_python=no
ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
AC_PYTHON_DEVEL
if test ! -z "$PYTHON_VERSION"; then
if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
AC_ERROR([Python version >= 2.4.0 is required])
fi
[PY_MAJOR_VERSION="`$PYTHON -c \"import sys; print(sys.version_info[0])\"`"]
AC_SUBST(PY_MAJOR_VERSION)
# Have Python
AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
LIBS="$PYTHON_LDFLAGS $LIBS"
CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
ub_have_python=yes
# Check for SWIG
ub_have_swig=no
AC_PROG_SWIG
AC_MSG_CHECKING(SWIG)
if test ! -x "$SWIG"; then
AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
else
AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
AC_SUBST(swig, "$SWIG")
AC_MSG_RESULT(present)
# If have Python & SWIG
# Declare PythonMod
if test x_$ub_with_pythonmod != x_no; then
AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
WITH_PYTHONMODULE=yes
AC_SUBST(WITH_PYTHONMODULE)
PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
AC_SUBST(PYTHONMOD_OBJ)
PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
AC_SUBST(PYTHONMOD_HEADER)
PYTHONMOD_INSTALL=pythonmod-install
AC_SUBST(PYTHONMOD_INSTALL)
PYTHONMOD_UNINSTALL=pythonmod-uninstall
AC_SUBST(PYTHONMOD_UNINSTALL)
fi
# Declare PyUnbound
if test x_$ub_with_pyunbound != x_no; then
AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
WITH_PYUNBOUND=yes
AC_SUBST(WITH_PYUNBOUND)
PYUNBOUND_OBJ="libunbound_wrap.lo"
AC_SUBST(PYUNBOUND_OBJ)
PYUNBOUND_TARGET="_unbound.la"
AC_SUBST(PYUNBOUND_TARGET)
PYUNBOUND_INSTALL=pyunbound-install
AC_SUBST(PYUNBOUND_INSTALL)
PYUNBOUND_UNINSTALL=pyunbound-uninstall
AC_SUBST(PYUNBOUND_UNINSTALL)
fi
fi
else
AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
ub_with_pyunbound=no
ub_with_pythonmod=no
fi
fi
if test "`uname`" = "NetBSD"; then
NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
AC_SUBST(NETBSD_LINTFLAGS)
fi
CONFIG_DATE=`date +%Y%m%d`
AC_SUBST(CONFIG_DATE)
# Checks for libraries.
# libnss
USE_NSS="no"
AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
[use libnss instead of openssl, installed at path.]),
[
USE_NSS="yes"
AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
if test "$withval" != "" -a "$withval" != "yes"; then
CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
LDFLAGS="$LDFLAGS -L$withval/lib"
ACX_RUNTIME_PATH_ADD([$withval/lib])
CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
else
CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
fi
LIBS="$LIBS -lnss3 -lnspr4"
SSLLIB=""
]
)
# libnettle
USE_NETTLE="no"
AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
[use libnettle as crypto library, installed at path.]),
[
USE_NETTLE="yes"
AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
if test "$withval" != "" -a "$withval" != "yes"; then
CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
LDFLAGS="$LDFLAGS -L$withval/lib"
ACX_RUNTIME_PATH_ADD([$withval/lib])
else
CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
fi
LIBS="$LIBS -lhogweed -lnettle -lgmp"
SSLLIB=""
]
)
# openssl
if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
ACX_WITH_SSL
ACX_LIB_SSL
SSLLIB="-lssl"
AC_MSG_CHECKING([for LibreSSL])
if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
# libressl provides these compat functions, but they may also be
# declared by the OS in libc. See if they have been declared.
AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform,reallocarray])
else
AC_MSG_RESULT([no])
fi
AC_CHECK_HEADERS([openssl/conf.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([openssl/engine.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode])
AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
AC_INCLUDES_DEFAULT
#ifdef HAVE_OPENSSL_ERR_H
#include <openssl/err.h>
#endif
#ifdef HAVE_OPENSSL_RAND_H
#include <openssl/rand.h>
#endif
#ifdef HAVE_OPENSSL_CONF_H
#include <openssl/conf.h>
#endif
#ifdef HAVE_OPENSSL_ENGINE_H
#include <openssl/engine.h>
#endif
#include <openssl/ssl.h>
#include <openssl/evp.h>
])
fi
AC_SUBST(SSLLIB)
AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
case "$enable_sha2" in
no)
;;
yes|*)
AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
;;
esac
# check wether gost also works
AC_DEFUN([AC_CHECK_GOST_WORKS],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING([if GOST works])
if test c${cross_compiling} = cno; then
BAKCFLAGS="$CFLAGS"
if test -n "$ssldir"; then
CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
fi
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <string.h>
#include <openssl/ssl.h>
#include <openssl/evp.h>
#include <openssl/engine.h>
#include <openssl/conf.h>
/* routine to load gost (from sldns) */
int load_gost_id(void)
{
static int gost_id = 0;
const EVP_PKEY_ASN1_METHOD* meth;
ENGINE* e;
if(gost_id) return gost_id;
/* see if configuration loaded gost implementation from other engine*/
meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
if(meth) {
EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
return gost_id;
}
/* see if engine can be loaded already */
e = ENGINE_by_id("gost");
if(!e) {
/* load it ourself, in case statically linked */
ENGINE_load_builtin_engines();
ENGINE_load_dynamic();
e = ENGINE_by_id("gost");
}
if(!e) {
/* no gost engine in openssl */
return 0;
}
if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
ENGINE_finish(e);
ENGINE_free(e);
return 0;
}
meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
if(!meth) {
/* algo not found */
ENGINE_finish(e);
ENGINE_free(e);
return 0;
}
EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
return gost_id;
}
int main(void) {
EVP_MD_CTX* ctx;
const EVP_MD* md;
unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
const char* str = "Hello world";
const unsigned char check[] = {
0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
};
OPENSSL_config(NULL);
(void)load_gost_id();
md = EVP_get_digestbyname("md_gost94");
if(!md) return 1;
memset(digest, 0, sizeof(digest));
ctx = EVP_MD_CTX_create();
if(!ctx) return 2;
if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
/* uncomment to see the hash calculated.
{int i;
for(i=0; i<32; i++)
printf(" %2.2x", (int)digest[i]);
printf("\n");}
*/
if(memcmp(digest, check, sizeof(check)) != 0)
return 6;
return 0;
}
]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
CFLAGS="$BAKCFLAGS"
else
eval "ac_cv_c_gost_works=maybe"
fi
AC_MSG_RESULT($ac_cv_c_gost_works)
])dnl
AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
use_gost="no"
if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
case "$enable_gost" in
no)
;;
*)
AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
AC_CHECK_GOST_WORKS
if test "$ac_cv_c_gost_works" != no; then
use_gost="yes"
AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
fi
;;
esac
fi dnl !USE_NSS && !USE_NETTLE
AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
use_ecdsa="no"
case "$enable_ecdsa" in
no)
;;
*)
if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
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
#include <openssl/evp.h>
])
# see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
AC_MSG_RESULT([no])
AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
else
AC_MSG_RESULT([yes])
fi
else
# not OpenSSL, thus likely LibreSSL, which supports it
AC_MSG_RESULT([yes])
fi
fi
# we now know we have ECDSA and the required curves.
AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
use_ecdsa="yes"
;;
esac
AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) libevent-based libunbound API installed to unbound-event.h]))
use_unbound_event="no"
case "$enable_event_api" in
yes)
use_unbound_event="yes"
;;
*)
;;
esac
# check for libevent
AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
[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.]),
[ ],[ withval="no" ])
if test x_$withval = x_yes -o x_$withval != x_no; then
AC_MSG_CHECKING(for libevent)
if test x_$withval = x_ -o x_$withval = x_yes; then
withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
fi
for dir in $withval; do
thedir="$dir"
if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
found_libevent="yes"
dnl assume /usr is in default path.
if test "$thedir" != "/usr"; then
CPPFLAGS="$CPPFLAGS -I$thedir/include"
fi
break;
fi
done
if test x_$found_libevent != x_yes; then
if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
# libevent source directory
AC_MSG_RESULT(found in $thedir)
CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
BAK_LDFLAGS_SET="1"
BAK_LDFLAGS="$LDFLAGS"
# remove evdns from linking
mkdir build >/dev/null 2>&1
mkdir build/libevent >/dev/null 2>&1
mkdir build/libevent/.libs >/dev/null 2>&1
ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
cp $ev_files_o build/libevent
cp $ev_files_lo build/libevent
cp $ev_files_libso build/libevent/.libs
LATE_LDFLAGS="build/libevent/*.lo -lm"
LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
else
AC_MSG_ERROR([Cannot find the libevent library in $withval
You can restart ./configure --with-libevent=no to use a builtin alternative.
Please note that this alternative is not as capable as libevent when using
large outgoing port ranges. ])
fi
else
AC_MSG_RESULT(found in $thedir)
dnl if event2 exists and no event lib in dir itself, use subdir
if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
else
dnl assume /usr is in default path, do not add "".
if test "$thedir" != "/usr" -a "$thedir" != ""; then
LDFLAGS="$LDFLAGS -L$thedir/lib"
ACX_RUNTIME_PATH_ADD([$thedir/lib])
fi
fi
fi
# check for library used by libevent after 1.3c
AC_SEARCH_LIBS([clock_gettime], [rt])
# is the event.h header libev or libevent?
AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_DECL(EV_VERSION_MAJOR, [
AC_SEARCH_LIBS(event_set, [ev])
],[
AC_SEARCH_LIBS(event_set, [event])
],[AC_INCLUDES_DEFAULT
#include <event.h>
])
AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
if test -n "$BAK_LDFLAGS_SET"; then
LDFLAGS="$BAK_LDFLAGS"
fi
if test "$use_unbound_event" = "yes"; then
AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
fi
else
AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
fi
# check for libexpat
AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
[specify explicit path for libexpat.]),
[ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
AC_MSG_CHECKING(for libexpat)
found_libexpat="no"
for dir in $withval ; do
if test -f "$dir/include/expat.h"; then
found_libexpat="yes"
dnl assume /usr is in default path.
if test "$dir" != "/usr"; then
CPPFLAGS="$CPPFLAGS -I$dir/include"
LDFLAGS="$LDFLAGS -L$dir/lib"
fi
AC_MSG_RESULT(found in $dir)
break;
fi
done
if test x_$found_libexpat != x_yes; then
AC_ERROR([Could not find libexpat, expat.h])
fi
AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
#include <expat.h>
])
# set static linking if requested
AC_SUBST(staticexe)
staticexe=""
AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
[ enable to compile executables statically against (event) libs, for debug purposes ]),
, )
if test x_$enable_static_exe = x_yes; then
staticexe="-static"
if test "$on_mingw" = yes; then
staticexe="-all-static"
# for static crosscompile, include gdi32 and zlib here.
if test "`uname`" = "Linux"; then
LIBS="$LIBS -lgdi32 -lz"
fi
fi
fi
# set lock checking if requested
AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
[ enable to check lock and unlock calls, for debug purposes ]),
, )
if test x_$enable_lock_checks = x_yes; then
AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
CHECKLOCK_OBJ="checklocks.lo"
AC_SUBST(CHECKLOCK_OBJ)
fi
ACX_CHECK_GETADDRINFO_WITH_INCLUDES
if test "$USE_WINSOCK" = 1; then
AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
#include <windows.h>
])
AC_CHECK_TOOL(WINDRES, windres)
LIBS="$LIBS -liphlpapi"
WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
AC_SUBST(WINAPPS)
WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
AC_SUBST(WIN_DAEMON_SRC)
WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
AC_SUBST(WIN_DAEMON_OBJ)
WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
AC_SUBST(WIN_DAEMON_OBJ_LINK)
WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
AC_SUBST(WIN_HOST_OBJ_LINK)
WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
AC_SUBST(WIN_CONTROL_OBJ_LINK)
WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
fi
if test $ac_cv_func_getaddrinfo = no; then
AC_LIBOBJ([fake-rfc2553])
fi
# check after getaddrinfo for its libraries
ACX_FUNC_IOCTLSOCKET