-
Notifications
You must be signed in to change notification settings - Fork 58
/
configure.ac
827 lines (712 loc) · 29.1 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
AC_PREREQ([2.69])
m4_define([knot_VERSION_MAJOR], 3)dnl
m4_define([knot_VERSION_MINOR], 5)dnl
m4_define([knot_VERSION_PATCH], )dnl Leave empty if the master branch!
m4_include([m4/knot-version.m4])
AC_INIT([knot], [knot_PKG_VERSION], [[email protected]])
AM_INIT_AUTOMAKE([foreign std-options subdir-objects no-dist-gzip dist-xz -Wall -Werror])
AM_SILENT_RULES([yes])
AC_CONFIG_SRCDIR([src/knot])
AC_CONFIG_HEADERS([src/config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_USE_SYSTEM_EXTENSIONS
AC_CANONICAL_HOST
# Update library versions
# https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
KNOT_LIB_VERSION([libknot], 15, 0, 0)
KNOT_LIB_VERSION([libdnssec], 9, 0, 0)
KNOT_LIB_VERSION([libzscanner], 4, 0, 0)
AC_SUBST([KNOT_VERSION_MAJOR], knot_VERSION_MAJOR)
AC_SUBST([KNOT_VERSION_MINOR], knot_VERSION_MINOR)
AC_SUBST([KNOT_VERSION_PATCH], knot_VERSION_PATCH)
AC_CONFIG_FILES([src/libknot/version.h
src/libdnssec/version.h
src/libzscanner/version.h])
# Automatically update release date based on NEWS
AC_PROG_SED
release_date=$($SED -n 's/^Knot DNS .* (\(.*\))/\1/p;q;' ${srcdir}/NEWS)
AC_SUBST([RELEASE_DATE], $release_date)
# Set compiler compatibility flags
AC_PROG_CC
AC_PROG_CPP_WERROR
# Set default CFLAGS
CFLAGS="$CFLAGS -Wall -Wshadow -Werror=format-security -Werror=implicit -Werror=attributes -Wstrict-prototypes"
AX_CHECK_COMPILE_FLAG("-fpredictive-commoning", [CFLAGS="$CFLAGS -fpredictive-commoning"], [], "-Werror")
AX_CHECK_LINK_FLAG(["-Wl,--exclude-libs,ALL"], [ldflag_exclude_libs="-Wl,--exclude-libs,ALL"], [ldflag_exclude_libs=""], "")
AC_SUBST([LDFLAG_EXCLUDE_LIBS], $ldflag_exclude_libs)
# Get processor byte ordering
AC_C_BIGENDIAN([endianity=big-endian], [endianity=little-endian])
AS_IF([test "$endianity" = "little-endian"],[
AC_DEFINE([ENDIANITY_LITTLE], [1], [System is little-endian.])])
# Check if an archiver is available
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AC_PROG_INSTALL
# Initialize libtool
LT_INIT
# Build DLLs on Cygwin/MSYS2
AS_CASE([$host_os],
[cygwin* | msys*], [LT_NO_UNDEFINED="-no-undefined"]
)
AC_SUBST(LT_NO_UNDEFINED)
# Use pkg-config
PKG_PROG_PKG_CONFIG
m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR], [AC_SUBST([pkgconfigdir], ['${libdir}/pkgconfig'])])
AC_CONFIG_FILES([src/knotd.pc
src/libknot.pc
src/libdnssec.pc
src/libzscanner.pc
])
# Default directories
knot_prefix=$ac_default_prefix
AS_IF([test "$prefix" != NONE], [knot_prefix=$prefix])
run_dir="${localstatedir}/run/knot"
AC_ARG_WITH([rundir],
AS_HELP_STRING([--with-rundir=path], [Path to run-time variable data (pid, sockets...). [default=LOCALSTATEDIR/run/knot]]),
[run_dir=$withval])
AC_SUBST(run_dir)
storage_dir="${localstatedir}/lib/knot"
AC_ARG_WITH([storage],
AS_HELP_STRING([--with-storage=path], [Default storage directory (slave zones, persistent data). [default=LOCALSTATEDIR/lib/knot]]),
[storage_dir=$withval])
AC_SUBST(storage_dir)
config_dir="${sysconfdir}/knot"
AC_ARG_WITH([configdir],
AS_HELP_STRING([--with-configdir=path], [Default directory for configuration. [default=SYSCONFDIR/knot]]),
[config_dir=$withval])
AC_SUBST(config_dir)
module_dir=
module_instdir="${libdir}/knot/modules-${KNOT_VERSION_MAJOR}.${KNOT_VERSION_MINOR}"
AC_ARG_WITH([moduledir],
AS_HELP_STRING([--with-moduledir=path], [Path to auto-loaded dynamic modules. [default not set]]),
[module_dir=$withval module_instdir=$module_dir])
AC_SUBST(module_instdir)
AC_SUBST(module_dir)
# Build Knot DNS daemon
AC_ARG_ENABLE([daemon],
AS_HELP_STRING([--disable-daemon], [Don't build Knot DNS main daemon]), [], [enable_daemon=yes])
AM_CONDITIONAL([HAVE_DAEMON], [test "$enable_daemon" = "yes"])
# Build Knot DNS modules
AC_ARG_ENABLE([modules],
AS_HELP_STRING([--disable-modules], [Don't build Knot DNS modules]), [], [enable_modules=yes])
# Build Knot DNS utilities
AC_ARG_ENABLE([utilities],
AS_HELP_STRING([--disable-utilities], [Don't build Knot DNS utilities]), [], [enable_utilities=yes])
AM_CONDITIONAL([HAVE_UTILS], [test "$enable_utilities" = "yes"])
AM_CONDITIONAL([HAVE_LIBUTILS], test "$enable_utilities" != "no" -o \
"$enable_daemon" != "no")
# Build Knot DNS documentation
AC_ARG_ENABLE([documentation],
AS_HELP_STRING([--disable-documentation], [Don't build Knot DNS documentation]), [], [enable_documentation=yes])
AS_IF([test "$enable_documentation" != "no"], [
AC_PATH_PROG([SPHINXBUILD], [sphinx-build], [false])
AS_IF([test "$SPHINXBUILD" != "false"], [
enable_documentation="man html epub"
AC_PATH_PROG([PDFLATEX], [pdflatex], [false])
AS_IF([test "$PDFLATEX" != "false"], [
enable_documentation="$enable_documentation pdf"
])
])
])
AM_CONDITIONAL([HAVE_DOCS], [test "$enable_documentation" != "no"])
AM_CONDITIONAL([HAVE_SPHINX], [test "$SPHINXBUILD" != "false"])
AM_CONDITIONAL([HAVE_PDFLATEX], test "$PDFLATEX" != "false")
######################
# Generic dependencies
######################
AC_ARG_ENABLE([fastparser],
AS_HELP_STRING([--disable-fastparser], [Disable use of fast zone parser]),
[], [AS_IF([test -d ".git"], [enable_fastparser=no], [enable_fastparser=yes])]
)
AM_CONDITIONAL([FAST_PARSER], [test "$enable_fastparser" = "yes"])
# GnuTLS crypto backend
PKG_CHECK_MODULES([gnutls], [gnutls >= 3.6.10], [
save_CFLAGS=$CFLAGS
save_LIBS=$LIBS
CFLAGS="$CFLAGS $gnutls_CFLAGS"
LIBS="$LIBS $gnutls_LIBS"
AC_CHECK_FUNC([gnutls_pkcs11_copy_pubkey], [enable_pkcs11=yes], [enable_pkcs11=no])
AS_IF([test "$enable_pkcs11" = yes],
[AC_DEFINE([ENABLE_PKCS11], [1], [PKCS #11 support available])])
AC_CHECK_DECL([GNUTLS_SIGN_EDDSA_ED448],
[AC_DEFINE([HAVE_ED448], [1], [GnuTLS ED448 support available])
enable_ed448=yes],
[enable_ed448=no],
[#include <gnutls/gnutls.h>])
AC_CHECK_FUNC([gnutls_early_cipher_get],
[AC_DEFINE([HAVE_GNUTLS_QUIC], [1], [gnutls_early_cipher_get available])
gnutls_quic=yes], [gnutls_quic=no])
CFLAGS=$save_CFLAGS
LIBS=$save_LIBS
])
AM_CONDITIONAL([ENABLE_PKCS11], [test "$enable_pkcs11" = "yes"])
AC_ARG_ENABLE([recvmmsg],
AS_HELP_STRING([--enable-recvmmsg=auto|yes|no], [enable recvmmsg() network API [default=auto]]),
[], [enable_recvmmsg=auto])
AS_CASE([$enable_recvmmsg],
[auto|yes],[
AC_CHECK_FUNC([recvmmsg],
[AC_CHECK_FUNC([sendmmsg],[enable_recvmmsg=yes],[enable_recvmmsg=no])],
[enable_recvmmsg=no])],
[no],[],
[*], [AC_MSG_ERROR([Invalid value of --enable-recvmmsg.]
)])
AS_IF([test "$enable_recvmmsg" = yes],[
AC_DEFINE([ENABLE_RECVMMSG], [1], [Use recvmmsg().])])
# XDP support
AC_ARG_ENABLE([xdp],
AS_HELP_STRING([--enable-xdp=auto|yes|no], [enable eXpress Data Path [default=auto]]),
[], [enable_xdp=auto])
PKG_CHECK_MODULES([libbpf], [libbpf],
[save_LIBS=$LIBS
LIBS="$LIBS $libbpf_LIBS"
AC_CHECK_FUNC([bpf_object__find_map_by_offset], [libbpf1=no], [libbpf1=yes])
LIBS=$save_LIBS
have_libbpf=yes],
[have_libbpf=no]
)
AS_CASE([$enable_xdp],
[auto], [AS_IF([test "$have_libbpf" = "yes"], [enable_xdp=yes], [enable_xdp=no])],
[yes], [AS_IF([test "$have_libbpf" = "yes"], [enable_xdp=yes], [AC_MSG_ERROR([libbpf not available])])],
[no], [],
[*], [AC_MSG_ERROR([Invalid value of --enable-xdp.])]
)
AM_CONDITIONAL([ENABLE_XDP], [test "$enable_xdp" != "no"])
AS_IF([test "$enable_xdp" = "yes"], [
PKG_CHECK_MODULES([libxdp], [libxdp], [enable_xdp=libxdp], [enable_xdp=yes])
AS_IF([test "$enable_xdp" = "libxdp"],
[AC_DEFINE([USE_LIBXDP], [1], [Use libxdp.])
libbpf_CFLAGS="$libbpf_CFLAGS $libxdp_CFLAGS"
libbpf_LIBS="$libbpf_LIBS $libxdp_LIBS"],
[AS_IF([test "$libbpf1" = "yes"], [AC_MSG_ERROR([libxdp not available])])]
)]
)
AC_SUBST([libbpf_CFLAGS])
AC_SUBST([libbpf_LIBS])
AS_IF([test "$enable_xdp" != "no"],[
AC_DEFINE([ENABLE_XDP], [1], [Use eXpress Data Path.])])
# Reuseport support
AS_CASE([$host_os],
[freebsd*], [reuseport_opt=SO_REUSEPORT_LB],
[*], [reuseport_opt=SO_REUSEPORT],
)
AC_ARG_ENABLE([reuseport],
AS_HELP_STRING([--enable-reuseport=auto|yes|no],
[enable SO_REUSEPORT(_LB) support [default=auto]]),
[], [enable_reuseport=auto]
)
AS_CASE([$enable_reuseport],
[auto], [
AS_CASE([$host_os],
[freebsd*|linux*], [AC_CHECK_DECL([$reuseport_opt],
[enable_reuseport=yes],
[enable_reuseport=no],
[#include <sys/socket.h>
])],
[*], [enable_reuseport=no]
)],
[yes], [AC_CHECK_DECL([$reuseport_opt], [],
[AC_MSG_ERROR([SO_REUSEPORT(_LB) not supported.])],
[#include <sys/socket.h>
])],
[no], [],
[*], [AC_MSG_ERROR([Invalid value of --enable-reuseport.])]
)
AS_IF([test "$enable_reuseport" = yes],[
AC_DEFINE([ENABLE_REUSEPORT], [1], [Use SO_REUSEPORT(_LB).])])
#########################################
# Dependencies needed for Knot DNS daemon
#########################################
# Systemd integration
AC_ARG_ENABLE([systemd],
AS_HELP_STRING([--enable-systemd=auto|yes|no], [enable systemd integration [default=auto]]),
[enable_systemd="$enableval"], [enable_systemd=auto])
AC_ARG_ENABLE([dbus],
AS_HELP_STRING([--enable-dbus=auto|systemd|libdbus|no], [enable D-bus support [default=auto]]),
[enable_dbus="$enableval"], [enable_dbus=auto])
AS_IF([test "$enable_daemon" = "yes"],[
AS_IF([test "$enable_systemd" != "no"],[
AS_CASE([$enable_systemd],
[auto],[PKG_CHECK_MODULES([systemd], [libsystemd], [enable_systemd=yes], [
PKG_CHECK_MODULES([systemd], [libsystemd-daemon libsystemd-journal], [enable_systemd=yes], [enable_systemd=no])])],
[yes],[PKG_CHECK_MODULES([systemd], [libsystemd], [], [
PKG_CHECK_MODULES([systemd], [libsystemd-daemon libsystemd-journal])])],
[*],[AC_MSG_ERROR([Invalid value of --enable-systemd.])])
])
AS_IF([test "$enable_systemd" = "yes"],[
AC_DEFINE([ENABLE_SYSTEMD], [1], [Use systemd integration.])])
AS_IF([test "$enable_dbus" != "no"],[
AS_CASE([$enable_dbus],
[auto],[AS_IF([test "$enable_systemd" = "yes"],
[AC_DEFINE([ENABLE_DBUS_SYSTEMD], [1], [systemd D-Bus available])
enable_dbus=systemd],
[PKG_CHECK_MODULES([libdbus], [dbus-1],
[AC_DEFINE([ENABLE_DBUS_LIBDBUS], [1], [libdbus D-Bus available])
enable_dbus=libdbus],
[enable_dbus=no])])],
[systemd],[AS_IF([test "$enable_systemd" = "yes"],
[AC_DEFINE([ENABLE_DBUS_SYSTEMD], [1], [systemd D-Bus available])
enable_dbus=systemd],
[AC_MSG_ERROR([systemd >= 221 not available.])])],
[libdbus],[PKG_CHECK_MODULES([libdbus], [dbus-1],
[AC_DEFINE([ENABLE_DBUS_LIBDBUS], [1], [libdbus D-Bus available])
enable_dbus=libdbus],
[AC_MSG_ERROR([libdbus not available.])])],
[no],[enable_dbus=no],
[*],[AC_MSG_ERROR([Invalid value of --enable-dbus.])])
])
]) dnl enable_daemon
# Socket polling method
socket_polling=
AC_ARG_WITH([socket-polling],
AS_HELP_STRING([--with-socket-polling=auto|poll|epoll|kqueue|libkqueue],
[Use specific socket polling method [default=auto]]),
[socket_polling=$withval], [socket_polling=auto]
)
AS_CASE([$socket_polling],
[auto], [AC_CHECK_FUNCS([kqueue],
[AC_DEFINE([HAVE_KQUEUE], [1], [kqueue available])
socket_polling=kqueue],
[AC_CHECK_FUNCS([epoll_create],
[AC_DEFINE([HAVE_EPOLL], [1], [epoll available])
socket_polling=epoll],
[socket_polling=poll])])],
[poll], [socket_polling=poll],
[epoll], [AC_CHECK_FUNCS([epoll_create],
[AC_DEFINE([HAVE_EPOLL], [1], [epoll available])
socket_polling=epoll],
[AC_MSG_ERROR([epoll not available.])])],
[kqueue], [AC_CHECK_FUNCS([kqueue],
[AC_DEFINE([HAVE_KQUEUE], [1], [kqueue available])
socket_polling=kqueue],
[AC_MSG_ERROR([kqueue not available.])])],
[libkqueue], [PKG_CHECK_MODULES([libkqueue], [libkqueue],
[AC_DEFINE([HAVE_KQUEUE], [1], [libkqueue available])
socket_polling=libkqueue],
[AC_MSG_ERROR([libkqueue not available.])])],
[*], [AC_MSG_ERROR([Invalid value of --socket-polling.])]
)
# Alternative memory allocator
malloc_LIBS=
AC_ARG_WITH([memory-allocator],
AS_HELP_STRING([--with-memory-allocator=auto|LIBRARY],
[Use specific memory allocator for the server (e.g. jemalloc) [default=auto]]),
AS_CASE([$withval],
[auto], [],
[*], [malloc_LIBS="-l$withval"]
)
with_memory_allocator=[$withval]
)
AS_IF([test "$with_memory_allocator" = ""], [with_memory_allocator="auto"])
AC_SUBST([malloc_LIBS])
AS_IF([test "$enable_daemon" = "yes"],[
PKG_CHECK_MODULES([liburcu], [liburcu], [], [
AC_MSG_ERROR([liburcu not found])
])
])
static_modules=""
shared_modules=""
static_modules_declars=""
static_modules_init=""
doc_modules=""
KNOT_MODULE([authsignal], "yes")
KNOT_MODULE([cookies], "yes")
KNOT_MODULE([dnsproxy], "yes", "non-shareable")
KNOT_MODULE([dnstap], "no")
KNOT_MODULE([geoip], "yes")
KNOT_MODULE([noudp], "yes")
KNOT_MODULE([onlinesign], "yes", "non-shareable")
KNOT_MODULE([probe], "yes")
KNOT_MODULE([queryacl], "yes")
KNOT_MODULE([rrl], "yes")
KNOT_MODULE([stats], "yes")
KNOT_MODULE([synthrecord], "yes")
KNOT_MODULE([whoami], "yes")
AC_SUBST([STATIC_MODULES_DECLARS], [$(printf "$static_modules_declars")])
AM_SUBST_NOTMAKE([STATIC_MODULES_DECLARS])
AC_SUBST([STATIC_MODULES_INIT], [$(printf "$static_modules_init")])
AM_SUBST_NOTMAKE([STATIC_MODULES_INIT])
AC_SUBST([DOC_MODULES], [$(printf "$doc_modules")])
AM_SUBST_NOTMAKE([DOC_MODULES])
# Check for Dnstap
AC_ARG_ENABLE([dnstap],
AS_HELP_STRING([--enable-dnstap], [Enable dnstap support for kdig (requires fstrm, protobuf-c)]),
[], [enable_dnstap=no])
AS_IF([test "$enable_dnstap" != "no" -o "$STATIC_MODULE_dnstap" != "no" -o "$SHARED_MODULE_dnstap" != "no"],[
AC_PATH_PROG([PROTOC_C], [protoc-c])
AS_IF([test -z "$PROTOC_C"],[
AC_MSG_ERROR([The protoc-c program was not found. Please install protobuf-c!])
])
PKG_CHECK_MODULES([libfstrm], [libfstrm])
PKG_CHECK_MODULES([libprotobuf_c], [libprotobuf-c >= 1.0.0])
AC_SUBST([DNSTAP_CFLAGS], ["$libfstrm_CFLAGS $libprotobuf_c_CFLAGS"])
AC_SUBST([DNSTAP_LIBS], ["$libfstrm_LIBS $libprotobuf_c_LIBS"])
])
AS_IF([test "$enable_dnstap" != "no"],[
AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support for kdig])
])
AM_CONDITIONAL([HAVE_DNSTAP], test "$enable_dnstap" != "no")
AM_CONDITIONAL([HAVE_LIBDNSTAP], test "$enable_dnstap" != "no" -o \
"$STATIC_MODULE_dnstap" != "no" -o \
"$SHARED_MODULE_dnstap" != "no")
# MaxMind DB for the GeoIP module
AC_ARG_ENABLE([maxminddb],
AS_HELP_STRING([--enable-maxminddb=auto|yes|no], [enable MaxMind DB [default=auto]]),
[enable_maxminddb="$enableval"], [enable_maxminddb=auto])
AS_IF([test "$enable_daemon" = "no"],[enable_maxminddb=no])
AS_CASE([$enable_maxminddb],
[no],[],
[auto],[PKG_CHECK_MODULES([libmaxminddb], [libmaxminddb], [enable_maxminddb=yes], [enable_maxminddb=no])],
[yes], [PKG_CHECK_MODULES([libmaxminddb], [libmaxminddb])],
[*],[
save_CFLAGS="$CFLAGS"
save_LIBS="$LIBS"
AS_IF([test "$enable_maxminddb" != ""],[
LIBS="$LIBS -L$enable_maxminddb"
CFLAGS="$CFLAGS -I$enable_maxminddb/include"
])
AC_SEARCH_LIBS([MMDB_open], [maxminddb], [
AS_IF([test "$enable_maxminddb" != ""], [
libmaxminddb_CFLAGS="-I$enable_maxminddb/include"
libmaxminddb_LIBS="-L$enable_maxminddb -lmaxminddb"
],[
libmaxminddb_CFLAGS=""
libmaxminddb_LIBS="$ac_cv_search_MMDB_open"
])
],[AC_MSG_ERROR("not found in `$enable_maxminddb'")])
CFLAGS="$save_CFLAGS"
LIBS="$save_LIBS"
AC_SUBST([libmaxminddb_CFLAGS])
AC_SUBST([libmaxminddb_LIBS])
enable_maxminddb=yes
])
AS_IF([test "$enable_maxminddb" = yes], [AC_DEFINE([HAVE_MAXMINDDB], [1], [Define to 1 to enable MaxMind DB.])])
AM_CONDITIONAL([HAVE_MAXMINDDB], [test "$enable_maxminddb" = yes])
AC_ARG_WITH([lmdb],
[AS_HELP_STRING([--with-lmdb=DIR], [explicit location where to find LMDB])]
)
PKG_CHECK_MODULES([lmdb], [lmdb >= 0.9.15], [], [
save_CPPFLAGS=$CPPFLAGS
save_LIBS=$LIBS
have_lmdb=no
for try_lmdb in "$with_lmdb" "" "/usr/local" "/usr/pkg"; do
AS_IF([test -d "$try_lmdb"], [
lmdb_CFLAGS="-I$try_lmdb/include"
lmdb_LIBS="-L$try_lmdb/lib"
],[
lmdb_CFLAGS=""
lmdb_LIBS=""
])
CPPFLAGS="$save_CPPFLAGS $lmdb_CFLAGS"
LIBS="$save_LIBS $lmdb_LIBS"
AC_SEARCH_LIBS([mdb_txn_id], [lmdb], [
have_lmdb=yes
lmdb_LIBS="$lmdb_LIBS -llmdb"
AC_SUBST([lmdb_CFLAGS])
AC_SUBST([lmdb_LIBS])
break
])
# do not cache result of AC_SEARCH_LIBS test
unset ac_cv_search_mdb_txn_id
done
CPPFLAGS="$save_CPPFLAGS"
LIBS="$save_LIBS"
AS_IF([test "$have_lmdb" = "no"], [
AC_MSG_ERROR([lmdb library not found])
])
])
# LMDB mapping sizes
conf_mapsize_default=500
AC_ARG_WITH([conf_mapsize],
AS_HELP_STRING([--with-conf-mapsize=NUM], [Configuration DB mapsize in MiB [default=$conf_mapsize_default]]),
[conf_mapsize=$withval],[conf_mapsize=$conf_mapsize_default])
AS_CASE([$conf_mapsize],
[yes],[conf_mapsize=$conf_mapsize_default],
[no], [AC_MSG_ERROR([conf_mapsize must be a number])],
[*], [AS_IF([test $conf_mapsize != $(( $conf_mapsize + 0 ))],
[AC_MSG_ERROR(conf_mapsize must be an integer number)])])
AC_DEFINE_UNQUOTED([CONF_MAPSIZE], [$conf_mapsize], [Configuration DB mapsize.])
AC_SUBST(conf_mapsize)
# libedit
AS_IF([test "$enable_daemon" = "yes" -o "$enable_utilities" = "yes"], [
PKG_CHECK_MODULES([libedit], [libedit], [with_libedit=yes], [
with_libedit=no
AC_CHECK_HEADER([histedit.h], [
# workaround for OpenBSD
AS_CASE([$host_os],
[openbsd*], [libedit_deps=-lcurses],
[libedit_deps=]
)
AC_CHECK_LIB([edit], [el_init], [
with_libedit=yes
libedit_CFLAGS=
libedit_LIBS="-ledit $libedit_deps"
], [], [$libedit_deps]
)
])
])
AS_IF([test "$with_libedit" != "yes"], [
AC_MSG_ERROR([libedit not found])
])
], [
with_libedit=no
libedit_CFLAGS=
libedit_LIBS=
])
# QUIC support
AC_ARG_ENABLE([quic],
AS_HELP_STRING([--enable-quic=auto|yes|no|embedded], [Support DoQ (needs libngtcp2 >= 0.17.0, gnutls >= 3.7.3) [default=auto]]),
[], [enable_quic=auto])
AS_CASE([$enable_quic],
[auto], [PKG_CHECK_MODULES([libngtcp2], [libngtcp2 >= 0.17.0 libngtcp2_crypto_gnutls], [enable_quic=yes], [enable_quic=no])],
[yes], [PKG_CHECK_MODULES([libngtcp2], [libngtcp2 >= 0.17.0 libngtcp2_crypto_gnutls], [enable_quic=yes],
AS_IF([test "$gnutls_quic" = "yes"],
[enable_quic=embedded
embedded_libngtcp2_CFLAGS="-I\$(top_srcdir)/src/contrib/libngtcp2 -I\$(top_srcdir)/src/contrib/libngtcp2/ngtcp2/lib"
embedded_libngtcp2_LIBS=$libelf_LIBS
libngtcp2_CFLAGS="-I\$(top_srcdir)/src/contrib/libngtcp2"],
[enable_quic=no
AC_MSG_WARN([gnutls >= 3.7.3 is required for QUIC])]))],
[embedded], [enable_quic=embedded
embedded_libngtcp2_CFLAGS="-I\$(top_srcdir)/src/contrib/libngtcp2 -I\$(top_srcdir)/src/contrib/libngtcp2/ngtcp2/lib"
embedded_libngtcp2_LIBS=$libelf_LIBS
libngtcp2_CFLAGS="-I\$(top_srcdir)/src/contrib/libngtcp2"],
[no], [],
[*], [AC_MSG_ERROR([Invalid value of --enable-quic.])]
)
AM_CONDITIONAL([EMBEDDED_LIBNGTCP2], [test "$enable_quic" = "embedded"])
AM_CONDITIONAL([ENABLE_QUIC], [test "$enable_quic" != "no"])
AC_SUBST([embedded_libngtcp2_CFLAGS])
AC_SUBST([embedded_libngtcp2_LIBS])
AC_SUBST([libngtcp2_CFLAGS])
AC_SUBST([libngtcp2_LIBS])
AS_IF([test "$enable_quic" != "no"], [
AC_DEFINE([ENABLE_QUIC], [1], [Define to 1 to enable DoQ support using libngtcp2 and GnuTLS])])
############################################
# Dependencies needed for Knot DNS utilities
############################################
dnl Check for libidn2.
AC_ARG_WITH(libidn,
AS_HELP_STRING([--with-libidn=[DIR]], [Support IDN (needs GNU libidn2)]),
with_libidn=$withval,
with_libidn=yes
)
dnl Check for libnghttp2.
AC_ARG_WITH(libnghttp2,
AS_HELP_STRING([--with-libnghttp2=[DIR]], [Support DoH (needs libnghttp2)]),
with_libnghttp2=$withval,
with_libnghttp2=yes
)
AS_IF([test "$enable_utilities" = "yes"], [
AS_IF([test "$with_libidn" != "no"], [
PKG_CHECK_MODULES([libidn2], [libidn2 >= 2.0.0], [
with_libidn=libidn2
AC_DEFINE([LIBIDN], [1], [Define to 1 to enable IDN support])
], [
with_libidn=no
AC_MSG_WARN([libidn2 not found])
])
])
AS_IF([test "$with_libnghttp2" != "no"], [
PKG_CHECK_MODULES([libnghttp2], [libnghttp2], [
with_libnghttp2=libnghttp2
AC_DEFINE([LIBNGHTTP2], [1], [Define to 1 to enable DoH support])
], [
with_libnghttp2=no
AC_MSG_WARN([libnghttp2 not found])
])
])
AS_IF([test "$enable_xdp" != "no"], [
PKG_CHECK_MODULES([libmnl], [libmnl], [], [
AC_MSG_ERROR([libmnl not found])
])
])
]) # Knot DNS utilities dependencies
AC_ARG_ENABLE([cap-ng],
AS_HELP_STRING([--enable-cap-ng=auto|no], [enable POSIX capabilities [default=auto]]),
[enable_cap_ng="$enableval"], [enable_cap_ng=auto])
AS_IF([test "$enable_daemon" = "yes"], [
AS_IF([test "$enable_cap_ng" != "no"],[
PKG_CHECK_MODULES([cap_ng], [cap-ng], [enable_cap_ng=yes], [
enable_cap_ng=no
AC_CHECK_HEADER([cap-ng.h], [
save_LIBS="$LIBS"
AC_SEARCH_LIBS([capng_apply], [cap-ng], [
AS_IF([test "$ac_cv_search_capng_apply" != "none required"],
[cap_ng_LIBS="$ac_cv_search_capng_apply"], [cap_ng_LIBS=])
AC_SUBST([cap_ng_LIBS])
enable_cap_ng=yes
])
LIBS="$save_LIBS"
])
])
], [
enable_cap_ng=no
cap_ng_LIBS=
])])
AS_IF([test "$enable_cap_ng" = yes],
[AC_DEFINE([ENABLE_CAP_NG], [1], [POSIX capabilities available])]
)
save_LIBS="$LIBS"
AC_SEARCH_LIBS([pthread_create], [pthread], [
AS_IF([test "$ac_cv_search_pthread_create" != "none required"],
[pthread_LIBS="$ac_cv_search_pthread_create"], [pthread_LIBS=])
AC_SUBST([pthread_LIBS])
],[
AC_MSG_ERROR([pthreads not found])
])
LIBS="$save_LIBS"
save_LIBS="$LIBS"
AC_SEARCH_LIBS([dlopen], [dl], [
AS_IF([test "$ac_cv_search_dlopen" != "none required"],
[dlopen_LIBS="$ac_cv_search_dlopen"], [dlopen_LIBS=])
AC_SUBST([dlopen_LIBS])
],[
AC_MSG_ERROR([dlopen not found])
])
LIBS="$save_LIBS"
save_LIBS="$LIBS"
AC_SEARCH_LIBS([pow], [m], [
AS_IF([test "$ac_cv_search_pow" != "none required"],
[math_LIBS="$ac_cv_search_pow"], [math_LIBS=])
AC_SUBST([math_LIBS])
],[
AC_MSG_ERROR([math not found])
])
LIBS="$save_LIBS"
save_LIBS="$LIBS"
AC_SEARCH_LIBS([pthread_setaffinity_np], [pthread], [
AC_DEFINE([HAVE_PTHREAD_SETAFFINITY_NP], [1],
[Define to 1 if you have the pthread_setaffinity_np function.])
])
LIBS="$save_LIBS"
# Checks for header files.
AC_HEADER_RESOLV
AC_CHECK_HEADERS_ONCE([pthread_np.h sys/uio.h bsd/string.h])
# Checks for optional library functions.
AC_CHECK_FUNCS([accept4 fgetln getline initgroups malloc_trim \
setgroups strlcat strlcpy sysctlbyname])
# Check for robust memory cleanup implementations.
AC_CHECK_FUNC([explicit_bzero], [
AC_DEFINE([HAVE_EXPLICIT_BZERO], [1], [explicit_bzero available])
explicit_bzero=yes], [explicit_bzero=no]
)
AC_CHECK_FUNC([explicit_memset], [
AC_DEFINE([HAVE_EXPLICIT_MEMSET], [1], [explicit_memset available])
explicit_memset=yes], [explicit_memset=no]
)
AM_CONDITIONAL([USE_GNUTLS_MEMSET], [test "$explicit_bzero" = "no" -a "$explicit_memset" = "no"])
# Check for mandatory library functions.
AC_CHECK_FUNC([vasprintf], [], [
AC_MSG_ERROR([vasprintf support in the libc is required])])
# Check for cpu_set_t/cpuset_t compatibility
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[cpu_set_t set; CPU_ZERO(&set);]])],
[AC_DEFINE(HAVE_CPUSET_LINUX, 1, [Define if Linux-like cpu_set_t exists.])])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread_np.h>]], [[cpuset_t set; CPU_ZERO(&set);]])],
[AC_DEFINE(HAVE_CPUSET_BSD, 1, [Define if FreeBSD-like cpuset_t exists.])])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sched.h>]], [[cpuset_t* set = cpuset_create(); cpuset_destroy(set);]])],
[AC_DEFINE(HAVE_CPUSET_NETBSD, 1, [Define if cpuset_t and cpuset(3) exists.])])
# Check for a C11 or GCC-style '__atomic' compiler builtin atomic functions.
atomic_type="none"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[#if (__STDC_VERSION__ < 201112L) || defined(__STDC_NO_ATOMICS__)
#error "No C11 atomics"
#endif
#include <stdatomic.h>]],
[[atomic_uint_fast64_t val = 0;]]
[[atomic_fetch_add_explicit(&val, 1, memory_order_relaxed);]])],
[AC_DEFINE(HAVE_C11_ATOMIC, 1, [Define to 1 if you have C11 'atomic' functions.])
atomic_type="C11"],
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[#include <stdint.h>]],
[[uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);]])],
[AC_DEFINE(HAVE_GCC_ATOMIC, 1, [Define to 1 if you have GCC-style '__atomic' functions.])
atomic_type="__atomic"]
)
)
# Prepare CFLAG_VISIBILITY to be used where needed
gl_VISIBILITY()
# Add code coverage macro
AX_CODE_COVERAGE
AX_SANITIZER
AS_IF([test -n "$sanitizer_CFLAGS"], [CFLAGS="$CFLAGS $sanitizer_CFLAGS"])
AM_CONDITIONAL([FUZZER], [test "$with_fuzzer" != "no"])
AM_CONDITIONAL([OSS_FUZZ], [test "$with_oss_fuzz" != "no"])
# Strip -fdebug-prefix-map= parameters from flags for better reproducibility of binaries.
filtered_cflags=$(echo -n "$CFLAGS" | \
sed 's/[[^[:alnum:]]]-f[[^[:space:]]]*-prefix-map=[[^[:space:]]]*//g')
filtered_cppflags=$(echo -n "$CPPFLAGS" | \
sed 's/[[^[:alnum:]]]-f[[^[:space:]]]*-prefix-map=[[^[:space:]]]*//g')
filtered_config_params=$(echo -n "$ac_configure_args" | \
sed 's/[[^[:alnum:]]]-f[[^[:space:]]]*-prefix-map=[[^[:space:]]]*//g')
result_msg_base="
Target: $host_os $host_cpu $endianity
Compiler: ${CC}
CFLAGS: ${filtered_cflags} ${filtered_cppflags}
LIBS: ${LIBS} ${LDFLAGS}
LibURCU: ${liburcu_LIBS} ${liburcu_CFLAGS}
GnuTLS: ${gnutls_LIBS} ${gnutls_CFLAGS}
Libedit: ${libedit_LIBS} ${libedit_CFLAGS}
LMDB: ${lmdb_LIBS} ${lmdb_CFLAGS}
Config: ${conf_mapsize} MiB default mapsize
Prefix: ${knot_prefix}
Run dir: ${run_dir}
Storage dir: ${storage_dir}
Config dir: ${config_dir}
Module dir: ${module_dir}
Static modules: ${static_modules}
Shared modules: ${shared_modules}
Knot DNS libraries: yes
Knot DNS daemon: ${enable_daemon}
Knot DNS utilities: ${enable_utilities}
Knot DNS documentation: ${enable_documentation}
Use recvmmsg: ${enable_recvmmsg}
Use SO_REUSEPORT(_LB): ${enable_reuseport}
XDP support: ${enable_xdp}
DoQ support: ${enable_quic}
Socket polling: ${socket_polling}
Atomic support: ${atomic_type}
Memory allocator: ${with_memory_allocator}
Fast zone parser: ${enable_fastparser}
Utilities with IDN: ${with_libidn}
Utilities with DoH: ${with_libnghttp2}
Utilities with Dnstap: ${enable_dnstap}
MaxMind DB support: ${enable_maxminddb}
Systemd integration: ${enable_systemd}
D-Bus support: ${enable_dbus}
POSIX capabilities: ${enable_cap_ng}
PKCS #11 support: ${enable_pkcs11}
Ed448 support: ${enable_ed448}
Code coverage: ${enable_code_coverage}
Sanitizer: ${with_sanitizer}
LibFuzzer: ${with_fuzzer}
OSS-Fuzz: ${with_oss_fuzz}"
result_msg_esc=$(echo -n " Configure:$filtered_config_params\n$result_msg_base" | sed '$!s/$/\\n/' | tr -d '\n')
AC_DEFINE_UNQUOTED([CONFIGURE_SUMMARY],["$result_msg_esc"],[Configure summary])
AC_CONFIG_FILES([Makefile
Doxyfile
doc/Makefile
tests/Makefile
tests-fuzz/Makefile
samples/Makefile
distro/Makefile
python/Makefile
python/knot_exporter/Makefile
python/knot_exporter/pyproject.toml
python/knot_exporter/setup.py
python/libknot/Makefile
python/libknot/pyproject.toml
python/libknot/setup.py
python/libknot/libknot/__init__.py
src/Makefile
src/libknot/xdp/Makefile
src/knot/modules/static_modules.h
])
AC_CONFIG_FILES([doc/modules.rst],
[cp doc/modules.rst "${srcdir}"/doc/modules.rst 2>/dev/null
abs_srcdir=$(cd "${srcdir}" && pwd)
ln -s -f "${abs_srcdir}"/src/knot/modules "${srcdir}"/doc 2>/dev/null])
AC_OUTPUT
AC_MSG_RESULT([
Knot DNS $VERSION
$result_msg_base
])