forked from OISF/suricata
-
Notifications
You must be signed in to change notification settings - Fork 0
/
configure.ac
2800 lines (2513 loc) · 110 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
AC_INIT([suricata],[7.0.0-dev])
m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS([src/autoconf.h])
AC_CONFIG_SRCDIR([src/suricata.c])
AC_CONFIG_MACRO_DIR(m4)
AM_INIT_AUTOMAKE([tar-ustar subdir-objects])
AC_LANG([C])
LT_INIT
PKG_PROG_PKG_CONFIG
dnl Taken from https://llvm.org/svn/llvm-project/llvm/trunk/autoconf/configure.ac
dnl check if we compile using clang or gcc. On some systems the gcc binary is
dnl is actually clang, so do a compile test.
AC_MSG_CHECKING([whether GCC or Clang is our compiler])
AC_LANG_PUSH([C])
compiler=unknown
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
#error
#endif
]])],
compiler=clang,
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
#error
#endif
]])],
compiler=gcc, [])])
AC_LANG_POP([C])
AC_MSG_RESULT([${compiler}])
AC_ARG_WITH([clang],
[ --with-clang=PROGRAM path to Clang for compiling eBPF code. Use if the main C compiler is not Clang.],
[CLANG="$withval"],
[AS_IF([test "$compiler" = clang],
[CLANG="$CC"],
[AC_PATH_PROG([CLANG],[clang])])])
AC_SUBST([CLANG])
case "$compiler" in
clang)
CLANG_CFLAGS="-Wextra -Werror-implicit-function-declaration -Wno-error=unused-command-line-argument"
AC_SUBST(CLANG_CFLAGS)
;;
gcc)
dnl get gcc version
AC_MSG_CHECKING([gcc version])
gccver=$($CC -dumpversion)
gccvermajor=$(echo $gccver | cut -d . -f1)
gccverminor=$(echo $gccver | cut -d . -f2)
gccvernum=$(expr $gccvermajor "*" 100 + $gccverminor)
AC_MSG_RESULT($gccver)
if test "$gccvernum" -ge "400"; then
dnl gcc 4.0 or later
GCC_CFLAGS="-Wextra -Werror-implicit-function-declaration"
else
GCC_CFLAGS="-W"
fi
AC_SUBST(GCC_CFLAGS)
;;
*)
AC_MSG_WARN([unsupported/untested compiler, this may or may not work])
;;
esac
# Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_GREP
AC_PATH_PROG(HAVE_CYGPATH, cygpath, "no")
AM_CONDITIONAL([HAVE_CYGPATH], [test "x$HAVE_CYGPATH" != "xno"])
AC_PATH_PROG(HAVE_PKG_CONFIG, pkg-config, "no")
if test "$HAVE_PKG_CONFIG" = "no"; then
echo
echo " ERROR! pkg-config not found, go get it "
echo " http://pkg-config.freedesktop.org/wiki/ "
echo " or install from your distribution "
echo
exit 1
fi
python_path="not set"
AC_ARG_ENABLE(python,
AS_HELP_STRING([--enable-python], [Enable python]),
[enable_python=$enableval],[enable_python=yes])
if test "x$enable_python" != "xyes"; then
enable_python="no"
else
AC_PATH_PROGS(HAVE_PYTHON, python3 python2.7 python2 python, "no")
if test "$HAVE_PYTHON" = "no"; then
echo
echo " Warning! Python not found."
echo
echo " Python is required for additional tools like"
echo " suricatasc, suricatactl and suricata-update."
echo " It is also required when building from git."
echo
enable_python="no"
else
python_path="$HAVE_PYTHON"
fi
fi
AM_CONDITIONAL([HAVE_PYTHON], [test "x$enable_python" = "xyes"])
# Get the Python major version. This is only for information
# messages displayed during configure.
if test "x$HAVE_PYTHON" != "xno"; then
pymv="$($HAVE_PYTHON -c 'import sys; print(sys.version_info[[0]]);')"
fi
# Check for python-distutils (setup).
have_python_distutils="no"
if test "x$enable_python" = "xyes"; then
AC_MSG_CHECKING([for python-distutils])
if $HAVE_PYTHON -c "import distutils; from distutils.core import setup" 2>/dev/null; then
AC_MSG_RESULT([yes])
have_python_distutils="yes"
else
AC_MSG_RESULT([no])
fi
fi
AM_CONDITIONAL([HAVE_PYTHON_DISTUTILS],
[test "x$have_python_distutils" = "xyes"])
if test "$have_python_distutils" = "no"; then
echo ""
echo " Warning: Python distutils not found. Python tools will"
echo " not be installed."
echo ""
echo " Install the distutils module for Python ${pymv} to enable"
echo " the Python tools."
echo ""
fi
# Check for python-yaml.
have_python_yaml="no"
if test "x$enable_python" = "xyes"; then
AC_MSG_CHECKING([for python-yaml])
if $HAVE_PYTHON -c "import yaml" 2>/dev/null; then
have_python_yaml="yes"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
AM_CONDITIONAL([HAVE_PYTHON_YAML], [test "x$have_python_yaml" = "xyes"])
AC_PATH_PROG(HAVE_WGET, wget, "no")
if test "$HAVE_WGET" = "no"; then
AC_PATH_PROG(HAVE_CURL, curl, "no")
if test "$HAVE_CURL" = "no"; then
echo
echo " Warning curl or wget not found, you won't be able to"
echo " download latest ruleset with 'make install-rules'"
fi
fi
AM_CONDITIONAL([HAVE_FETCH_COMMAND], [test "x$HAVE_WGET" != "xno" || test "x$HAVE_CURL" != "xno"])
AM_CONDITIONAL([HAVE_WGET_COMMAND], [test "x$HAVE_WGET" != "xno"])
# Checks for libraries.
# Checks for header files.
AC_CHECK_HEADERS([stddef.h])
AC_CHECK_HEADERS([arpa/inet.h assert.h ctype.h errno.h fcntl.h inttypes.h])
AC_CHECK_HEADERS([getopt.h])
AC_CHECK_HEADERS([limits.h netdb.h netinet/in.h poll.h sched.h signal.h])
AC_CHECK_HEADERS([stdarg.h stdint.h stdio.h stdlib.h stdbool.h string.h strings.h sys/ioctl.h])
AC_CHECK_HEADERS([syslog.h sys/prctl.h sys/socket.h sys/stat.h sys/syscall.h])
AC_CHECK_HEADERS([sys/time.h time.h unistd.h sys/param.h])
AC_CHECK_HEADERS([sys/ioctl.h linux/if_ether.h linux/if_packet.h linux/filter.h])
AC_CHECK_HEADERS([linux/ethtool.h linux/sockios.h])
AC_CHECK_HEADERS([glob.h locale.h grp.h pwd.h])
AC_CHECK_HEADERS([dirent.h fnmatch.h])
AC_CHECK_HEADERS([sys/resource.h sys/types.h sys/un.h])
AC_CHECK_HEADERS([sys/random.h])
AC_CHECK_HEADERS([utime.h])
AC_CHECK_HEADERS([libgen.h])
AC_CHECK_HEADERS([mach/mach.h])
AC_CHECK_HEADERS([stdatomic.h])
AC_CHECK_HEADERS([sys/socket.h net/if.h sys/mman.h linux/if_arp.h], [], [],
[[#ifdef HAVE_SYS_SOCKET_H
#include <sys/types.h>
#include <sys/socket.h>
#endif
]])
AC_CHECK_HEADERS([windows.h winsock2.h ws2tcpip.h w32api/wtypes.h], [], [],
[[
#ifndef _X86_
#define _X86_
#endif
]])
AC_CHECK_HEADERS([w32api/winbase.h wincrypt.h], [], [],
[[
#ifndef _X86_
#define _X86_
#endif
#include <windows.h>
]])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_C_RESTRICT
AC_TYPE_PID_T
AC_TYPE_MODE_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_INT8_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT
AC_TYPE_USHORT
AC_TYPE_ULONG
AC_TYPE_UCHAR
AC_STRUCT_TIMEZONE
AC_CHECK_TYPES([ptrdiff_t])
AC_HEADER_STDBOOL
# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_FORK
AC_FUNC_MKTIME
AC_FUNC_MMAP
AC_FUNC_STRTOD
AC_CHECK_FUNCS([memmem memset memchr memrchr memmove])
AC_CHECK_FUNCS([strcasecmp strchr strrchr strdup strndup strncasecmp strtol strtoul strstr strpbrk strtoull strtoumax])
AC_CHECK_FUNCS([strerror])
AC_CHECK_FUNCS([gethostname inet_ntoa uname])
AC_CHECK_FUNCS([gettimeofday clock_gettime utime strptime tzset localtime_r])
AC_CHECK_FUNCS([socket setenv select putenv dup2 endgrent endpwent atexit munmap])
AC_CHECK_FUNCS([fwrite_unlocked])
AC_CHECK_DECL([getrandom],
AC_DEFINE([HAVE_GETRANDOM], [1], [Use getrandom]),
[], [
#include <sys/random.h>
])
OCFLAGS=$CFLAGS
CFLAGS=""
AC_CHECK_FUNCS([strlcpy strlcat])
CFLAGS=$OCFLAGS
# Add large file support
AC_SYS_LARGEFILE
#check for os
AC_MSG_CHECKING([host os])
# Default lua libname if not detected otherwise.
LUA_LIB_NAME="lua5.1"
# If no host os was detected, try with uname
if test -z "$host" ; then
host="`uname`"
fi
echo -n "installation for $host OS... "
RUST_SURICATA_LIBNAME="libsuricata_rust.a"
e_magic_file=""
e_magic_file_comment="#"
PCAP_LIB_NAME="pcap"
case "$host" in
*-*-*freebsd*)
LUA_LIB_NAME="lua-5.1"
CFLAGS="${CFLAGS} -DOS_FREEBSD"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet11"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -L/usr/local/lib/libnet11"
RUST_LDADD="-lrt -lm"
;;
*-*-openbsd*)
CFLAGS="${CFLAGS} -D__OpenBSD__"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet-1.1"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -I/usr/local/lib/libnet-1.1"
RUST_LDADD="-lm -lc++ -lc++abi"
;;
*darwin*|*Darwin*)
LUA_LIB_NAME="lua-5.1"
CFLAGS="${CFLAGS} -DOS_DARWIN"
CPPFLAGS="${CPPFLAGS} -I/opt/local/include"
LDFLAGS="${LDFLAGS} -L/opt/local/lib"
;;
*-*-linux*)
# Always compile with -fPIC on Linux for shared library support.
CFLAGS="${CFLAGS} -fPIC"
RUST_LDADD="-ldl -lrt -lm"
can_build_shared_library="yes"
;;
*-*-mingw32*|*-*-msys)
CFLAGS="${CFLAGS} -DOS_WIN32"
WINDOWS_PATH="yes"
PCAP_LIB_NAME="wpcap"
AC_DEFINE([HAVE_NON_POSIX_MKDIR], [1], [mkdir is not POSIX compliant: single arg])
RUST_LDADD=" -lws2_32 -liphlpapi -lwbemuuid -lOle32 -lOleAut32 -lUuid -luserenv -lshell32 -ladvapi32 -lgcc_eh"
;;
*-*-cygwin)
LUA_LIB_NAME="lua"
WINDOWS_PATH="yes"
PCAP_LIB_NAME="wpcap"
;;
*-*-solaris*)
AC_MSG_WARN([support for Solaris/Illumos/SunOS is experimental])
LDFLAGS="${LDFLAGS} -lsocket -lnsl"
;;
*)
AC_MSG_WARN([unsupported OS this may or may not work])
;;
esac
AC_MSG_RESULT(ok)
# check if our target supports c11
AC_MSG_CHECKING(for c11 support)
OCFLAGS=$CFLAGS
CFLAGS="-std=c11"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
[[ static _Thread_local int i; i = 1; i++; ]])],
AC_MSG_RESULT([yes])
[AC_DEFINE([TLS_C11], [1], [C11 Thread local storage])
CFLAGS="$OCFLAGS -std=c11"],
[AC_MSG_RESULT([no])
CFLAGS="$OCFLAGS"
have_c11=no
have_c11_tls=no])
if [ test "x$have_c11" = "xno" ]; then
CFLAGS="$CFLAGS -std=gnu99"
fi
# check if our target supports thread local storage
AC_MSG_CHECKING(for thread local storage gnu __thread support)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],
[[ static __thread int i; i = 1; i++; ]])],
[AC_DEFINE([TLS_GNU], [1], [Thread local storage])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
have_gnu_tls=no])
if [ test "x$have_c11_tls" = "xno" ] && [ test "x$have_gnu_tls" = "xno" ]; then
AC_MSG_ERROR("no thread local support available.")
exit 1
fi
#Enable support for gcc compile time security options. There is no great way to do detection of valid cflags that I have found
#AX_CFLAGS_GCC_OPTION don't seem to do a better job than the code below and are a pain because of extra m4 files etc.
#These flags seem to be supported on CentOS 5+, Ubuntu 8.04+, and FedoreCore 11+
#Options are taken from https://wiki.ubuntu.com/CompilerFlags
AC_ARG_ENABLE(gccprotect,
AS_HELP_STRING([--enable-gccprotect], [Detect and use gcc hardening options]),[enable_gccprotect=$enableval],[enable_gccprotect=no])
AS_IF([test "x$enable_gccprotect" = "xyes"], [
#buffer overflow protection
AC_MSG_CHECKING(for -fstack-protector)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -fstack-protector"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECCFLAGS="-fstack-protector"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="${TMPCFLAGS}"
#compile-time best-practices errors for certain libc functions, provides checks of buffer lengths and memory regions
AC_MSG_CHECKING(for -D_FORTIFY_SOURCE=2)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -D_FORTIFY_SOURCE=2"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECCFLAGS="${SECCFLAGS} -D_FORTIFY_SOURCE=2"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="${TMPCFLAGS}"
#compile-time warnings about misuse of format strings
AC_MSG_CHECKING(for -Wformat -Wformat-security)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Wformat -Wformat-security"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECCFLAGS="${SECCFLAGS} -Wformat -Wformat-security"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="${TMPCFLAGS}"
#provides a read-only relocation table area in the final ELF
AC_MSG_CHECKING(for -z relro)
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -z relro"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECLDFLAGS="${SECLDFLAGS} -z relro"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LDFLAGS="${TMPLDFLAGS}"
#forces all relocations to be resolved at run-time
AC_MSG_CHECKING(for -z now)
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -z now"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECLDFLAGS="${SECLDFLAGS} -z now"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
LDFLAGS="${TMPLDFLAGS}"
AC_SUBST(SECCFLAGS)
AC_SUBST(SECLDFLAGS)
])
#check for plugin support
AC_CHECK_HEADERS([dlfcn.h])
AC_MSG_CHECKING([for plugin support])
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -rdynamic"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <dlfcn.h>]], [[]])],
[
AC_MSG_RESULT(yes)
has_rdynamic=yes
],
[
AC_MSG_RESULT(no)
has_rdynamic=no
])
if test "x$has_rdynamic" = "xyes"; then
plugin_support=yes
AC_DEFINE([HAVE_PLUGINS], [1], [Plugin support])
else
plugin_support=no
LDFLAGS="${TMPLDFLAGS}"
fi
#enable profile generation
AC_ARG_ENABLE(gccprofile,
AS_HELP_STRING([--enable-gccprofile], [Enable gcc profile info i.e -pg flag is set]),[enable_gccprofile=$enableval],[enable_gccprofile=no])
AS_IF([test "x$enable_gccprofile" = "xyes"], [
CFLAGS="${CFLAGS} -pg"
])
#enable gcc march=native gcc 4.2 or later
AC_ARG_ENABLE(gccmarch_native,
AS_HELP_STRING([--enable-gccmarch-native], [Enable gcc march=native gcc 4.2 and later only]),[enable_gccmarch_native=$enableval],[enable_gccmarch_native=yes])
AS_IF([test "x$enable_gccmarch_native" = "xyes"], [
case "$host" in
*powerpc*)
;;
*)
OFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -march=native"
AC_MSG_CHECKING([checking if $CC supports -march=native])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <stdlib.h>]])],
[
AC_MSG_RESULT([yes])
OPTIMIZATION_CFLAGS="-march=native"
AC_SUBST(OPTIMIZATION_CFLAGS)
],
[
AC_MSG_RESULT([no])
CFLAGS="$OFLAGS"
enable_gccmarch_native=no
]
)
;;
esac
])
# options
# enable the running of unit tests
AC_ARG_ENABLE(unittests,
AS_HELP_STRING([--enable-unittests], [Enable compilation of the unit tests]),[enable_unittests=$enableval],[enable_unittests=no])
AS_IF([test "x$enable_unittests" = "xyes"], [
AC_DEFINE([UNITTESTS],[1],[Enable built-in unittests])
])
AM_CONDITIONAL([BUILD_UNITTESTS], [test "x$enable_unittests" = "xyes"])
# enable the building of ebpf files
AC_ARG_ENABLE(ebpf-build,
AS_HELP_STRING([--enable-ebpf-build], [Enable compilation of ebpf files]),[enable_ebpf_build=$enableval],[enable_ebpf_build=no])
AM_CONDITIONAL([BUILD_EBPF], [test "x$enable_ebpf_build" = "xyes"])
AS_IF([test "x$enable_ebpf_build" = "xyes"],
[
AS_IF([test "$CLANG" != no],
[
llc_candidates=$($CLANG --version | sed -e 's/.*clang version/clang version/' | \
awk '/^clang version/ {
split($3, v, ".");
printf("llc-%s.%s llc-%s llc", v[[1]], v[[2]], v[[1]])
}')
AC_CHECK_PROGS([LLC], [$llc_candidates], "no")
if test "$LLC" = "no"; then
AC_MSG_ERROR([unable to find any of $llc_candidates needed to build ebpf files])
fi
AC_SUBST(LLC)
],
[AC_MSG_ERROR([clang needed to build ebpf files])])
])
# enable debug output
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug], [Enable debug output]),[enable_debug=$enableval],[enable_debug=no])
AS_IF([test "x$enable_debug" = "xyes"], [
AC_DEFINE([DEBUG],[1],[Enable debug output])
])
AM_CONDITIONAL([DEBUG], [test "x$enable_debug" = "xyes"])
# enable debug validation functions & macro's output
AC_ARG_ENABLE(debug-validation,
AS_HELP_STRING([--enable-debug-validation], [Enable (debug) validation code output]),[enable_debug_validation=$enableval],[enable_debug_validation=no])
AS_IF([test "x$enable_debug_validation" = "xyes"], [
if test "$enable_unittests" = "yes"; then
AC_MSG_ERROR([debug_validation can't be enabled with enabled unittests!])
else
AC_DEFINE([DEBUG_VALIDATION],[1],[Enable (debug) validation code output])
fi
])
AM_CONDITIONAL([DEBUG_VALIDATION], [test "x$enable_debug_validation" = "xyes"])
# profiling support
AC_ARG_ENABLE(profiling,
AS_HELP_STRING([--enable-profiling], [Enable performance profiling]),[enable_profiling=$enableval],[enable_profiling=no])
AS_IF([test "x$enable_profiling" = "xyes"], [
case "$host" in
*-*-openbsd*)
AC_MSG_ERROR([profiling is not supported on OpenBSD])
;;
*)
AC_DEFINE([PROFILING],[1],[Enable performance profiling])
;;
esac
])
# profiling support, locking
AC_ARG_ENABLE(profiling-locks,
AS_HELP_STRING([--enable-profiling-locks], [Enable performance profiling for locks]),[enable_profiling_locks=$enableval],[enable_profiling_locks=no])
AS_IF([test "x$enable_profiling_locks" = "xyes"], [
AC_DEFINE([PROFILING],[1],[Enable performance profiling])
AC_DEFINE([PROFILE_LOCKING],[1],[Enable performance profiling for locks])
])
# enable support for IPFW
AC_ARG_ENABLE(ipfw,
AS_HELP_STRING([--enable-ipfw], [Enable FreeBSD IPFW support for inline IDP]),[enable_ipfw=$enableval],[enable_ipfw=no])
AS_IF([test "x$enable_ipfw" = "xyes"], [
AC_DEFINE([IPFW],[1],[Enable FreeBSD IPFW support for inline IDP])
])
AC_ARG_ENABLE(coccinelle,
AS_HELP_STRING([--disable-coccinelle], [Disable coccinelle QA steps during make check]),[enable_coccinelle="$enableval"],[enable_coccinelle=yes])
AS_IF([test "x$enable_coccinelle" = "xyes"], [
AC_PATH_PROG(HAVE_COCCINELLE_CONFIG, spatch, "no")
if test "$HAVE_COCCINELLE_CONFIG" = "no"; then
enable_coccinelle=no
fi
])
AM_CONDITIONAL([HAVE_COCCINELLE], [test "x$enable_coccinelle" != "xno"])
# disable detection
AC_ARG_ENABLE(detection,
AS_HELP_STRING([--disable-detection], [Disable Detection Modules]), [enable_detection="$enableval"],[enable_detection=yes])
AS_IF([test "x$enable_detection" = "xno"], [
AC_DEFINE([HAVE_DETECT_DISABLED], [1], [Detection is disabled])
])
# libraries
# zlib
AC_ARG_WITH(zlib_includes,
[ --with-zlib-includes=DIR zlib include directory],
[with_zlib_includes="$withval"],[with_zlib_includes=no])
AC_ARG_WITH(zlib_libraries,
[ --with-zlib-libraries=DIR zlib library directory],
[with_zlib_libraries="$withval"],[with_zlib_libraries="no"])
if test "$with_zlib_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_zlib_includes}"
fi
AC_CHECK_HEADER(zlib.h, ZLIB="yes",ZLIB="no")
if test "$ZLIB" = "yes"; then
if test "$with_zlib_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_zlib_libraries}"
fi
# To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
# see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
ZLIB=""
TMPLIBS="${LIBS}"
AC_CHECK_LIB(z,inflate,,ZLIB="no")
if test "$ZLIB" = "no"; then
echo
echo " ERROR! zlib library not found, go get it"
echo " Debian/Ubuntu: apt install zlib1g-dev"
echo " Fedora: dnf install zlib-devel"
echo " CentOS/RHEL: yum install zlib-devel"
echo
exit 1
fi
LIBS="${TMPLIBS} -lz"
fi
#libpcre
AC_ARG_WITH(libpcre_includes,
[ --with-libpcre-includes=DIR libpcre include directory],
[with_libpcre_includes="$withval"],[with_libpcre_includes="no"])
AC_ARG_WITH(libpcre_libraries,
[ --with-libpcre-libraries=DIR libpcre library directory],
[with_libpcre_libraries="$withval"],[with_libpcre_libraries="no"])
if test "$with_libpcre_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpcre_includes}"
fi
AC_CHECK_HEADER(pcre.h,,[AC_MSG_ERROR(pcre.h not found ...)])
if test "$with_libpcre_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpcre_libraries}"
fi
PCRE=""
AC_CHECK_LIB(pcre, pcre_get_substring,,PCRE="no")
if test "$PCRE" = "no"; then
echo
echo " ERROR! pcre library not found, go get it"
echo " from www.pcre.org. Or from packages:"
echo " Debian/Ubuntu: apt install libpcre3-dev"
echo " Fedora: dnf install pcre-devel"
echo " CentOS/RHEL: yum install pcre-devel"
echo
exit 1
fi
# libpcre 8.35 (especially on debian) has a known issue that results in segfaults
# see https://redmine.openinfosecfoundation.org/issues/1693
if test "$with_libpcre_libraries" = "no"; then
PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.35],[libpcre_buggy_found="yes"],[libprce_buggy_found="no"])
if test "$libpcre_buggy_found" = "yes"; then
echo
echo " Warning! vulnerable libpcre version 8.35 found"
echo " This version has a known issue that could result in segfaults"
echo " please upgrade to a newer version of pcre which you can get from"
echo " www.pcre.org. For more information, see issue #1693"
echo
echo " Continuing for now with JIT disabled..."
echo
fi
fi
# To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
# see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
PCRE=""
TMPLIBS="${LIBS}"
AC_CHECK_LIB(pcre, pcre_dfa_exec,, PCRE="no")
if test "$PCRE" = "no"; then
echo
echo " ERROR! pcre library was found but version was < 6.0"
echo " please upgrade to a newer version of pcre which you can get from"
echo " www.pcre.org."
echo
exit 1
fi
LIBS="${TMPLIBS}"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[ int eo = 0; eo |= PCRE_EXTRA_MATCH_LIMIT_RECURSION; ]])],
[ pcre_match_limit_recursion_available=yes ],[:]
)
if test "$pcre_match_limit_recursion_available" != "yes"; then
echo
echo " Warning! pcre extra opt PCRE_EXTRA_MATCH_LIMIT_RECURSION not found"
echo " This could lead to potential DoS please upgrade to pcre >= 6.5"
echo " from www.pcre.org."
echo " Continuing for now...."
echo
AC_DEFINE([NO_PCRE_MATCH_RLIMIT],[1],[Pcre PCRE_EXTRA_MATCH_LIMIT_RECURSION not available])
fi
TMPCFLAGS="${CFLAGS}"
CFLAGS="-O0 -g -Werror -Wall"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[ pcre_extra *extra = NULL; pcre_free_study(extra); ]])],
[ AC_DEFINE([HAVE_PCRE_FREE_STUDY], [1], [Pcre pcre_free_study supported])],[:]
)
CFLAGS="${TMPCFLAGS}"
#enable support for PCRE-jit available since pcre-8.20
AC_MSG_CHECKING(for PCRE JIT support)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[
int jit = 0;
pcre_config(PCRE_CONFIG_JIT, &jit);
]])],[ pcre_jit_available=yes ],[ pcre_jit_available=no ]
)
case $host in
*powerpc64*)
PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.39],[libpcre_ppc64_buggy_found1="yes"],[libprce_ppc64_buggy_found1="no"])
PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.40],[libpcre_ppc64_buggy_found2="yes"],[libprce_ppc64_buggy_found2="no"])
if test "$libprce_ppc64_buggy_found1" = "yes" || test "$libprce_ppc64_buggy_found2"; then
# on powerpc64, both gcc and clang lead to SIGILL in
# unittests when jit is enabled.
pcre_jit_available="no, pcre 8.39/8.40 jit disabled for powerpc64"
fi
# hack: use libatomic
LIBS="${LIBS} -latomic"
;;
*)
# bug 1693, libpcre 8.35 is broken and debian jessie is still using that
if test "$libpcre_buggy_found" = "yes"; then
pcre_jit_available="no, libpcre 8.35 blacklisted"
fi
;;
esac
if test "x$pcre_jit_available" = "xyes"; then
AC_MSG_RESULT(yes)
AC_DEFINE([PCRE_HAVE_JIT], [1], [Pcre with JIT compiler support enabled])
AC_MSG_CHECKING(for PCRE JIT support usability)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <pcre.h> ]],
[[
const char *error;
int err_offset;
pcre *re = pcre_compile("(a|b|c|d)",0, &error, &err_offset,NULL);
pcre_extra *extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
if (extra == NULL)
exit(EXIT_FAILURE);
int jit = 0;
int ret = pcre_fullinfo(re, extra, PCRE_INFO_JIT, &jit);
if (ret != 0 || jit != 1)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
]])],[ pcre_jit_works=yes ],[:]
)
if test "x$pcre_jit_works" != "xyes"; then
AC_MSG_RESULT(no)
echo
echo " PCRE JIT support detection worked but testing it failed"
echo " something odd is going on, please file a bug report."
echo
exit 1
else
AC_MSG_RESULT(yes)
fi
else
AC_MSG_RESULT(no)
fi
if test "x$pcre_jit_works" = "xyes"; then
AC_MSG_CHECKING(for PCRE JIT exec availability)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[
#include <pcre.h>
#include <string.h>
],
[
const char *error;
int err_offset;
pcre *re = pcre_compile("(a|b|c|d)", 0, &error, &err_offset,NULL);
pcre_extra *study = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
if (study == NULL)
exit(EXIT_FAILURE);
pcre_jit_stack *stack = pcre_jit_stack_alloc(32*1024,40*1024);
if (stack == 0)
exit(EXIT_FAILURE);
int ret = pcre_jit_exec(re, study, "apple", 5, 0, 0, NULL, 0, stack);
exit(ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
])],
[pcre_jit_exec_available="yes" ],
[pcre_jit_exec_available="no" ])
if test "x$pcre_jit_exec_available" != "xyes"; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
AC_DEFINE([PCRE_HAVE_JIT_EXEC], [1], [PCRE with JIT compiler support enabled supporting pcre_jit_exec])
fi
else
AC_MSG_RESULT(no)
fi
# libhs
enable_hyperscan="no"
# Try pkg-config first:
PKG_CHECK_MODULES([libhs], libhs,, [with_pkgconfig_libhs=no])
if test "$with_pkgconfig_libhs" != "no"; then
CPPFLAGS="${CPPFLAGS} ${libhs_CFLAGS}"
LIBS="${LIBS} ${libhs_LIBS}"
fi
AC_ARG_WITH(libhs_includes,
[ --with-libhs-includes=DIR libhs include directory],
[with_libhs_includes="$withval"],[with_libhs_includes=no])
AC_ARG_WITH(libhs_libraries,
[ --with-libhs-libraries=DIR libhs library directory],
[with_libhs_libraries="$withval"],[with_libhs_libraries="no"])
if test "$with_libhs_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libhs_includes}"
fi
AC_CHECK_HEADER(hs.h,HYPERSCAN="yes",HYPERSCAN="no")
if test "$HYPERSCAN" = "yes"; then
if test "$with_libhs_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libhs_libraries}"
fi
AC_CHECK_LIB(hs,hs_compile,,HYPERSCAN="no")
AC_CHECK_FUNCS(hs_valid_platform)
enable_hyperscan="yes"
if test "$HYPERSCAN" = "no"; then
echo
echo " Hyperscan headers are present, but link test failed."
echo " Check that you have a shared library and C++ linkage available."
echo
enable_hyperscan="no"
fi
fi
AS_IF([test "x$enable_hyperscan" = "xyes"], [AC_DEFINE([BUILD_HYPERSCAN], [1], [Intel Hyperscan support enabled])])
# libyaml
AC_ARG_WITH(libyaml_includes,
[ --with-libyaml-includes=DIR libyaml include directory],
[with_libyaml_includes="$withval"],[with_libyaml_includes=no])
AC_ARG_WITH(libyaml_libraries,
[ --with-libyaml-libraries=DIR libyaml library directory],
[with_libyaml_libraries="$withval"],[with_libyaml_libraries="no"])
if test "$with_libyaml_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libyaml_includes}"
fi
AC_CHECK_HEADER(yaml.h,,LIBYAML="no")
if test "$with_libyaml_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libyaml_libraries}"
fi
LIBYAML=""
AC_CHECK_LIB(yaml,yaml_parser_initialize,,LIBYAML="no")
if test "$LIBYAML" = "no"; then
echo
echo " ERROR! libyaml library not found, go get it"
echo " from http://pyyaml.org/wiki/LibYAML "
echo " or your distribution:"
echo
echo " Ubuntu: apt-get install libyaml-dev"
echo " Fedora: dnf install libyaml-devel"
echo " CentOS/RHEL: yum install libyaml-devel"
echo
exit 1
fi
# libpthread
AC_ARG_WITH(libpthread_includes,
[ --with-libpthread-includes=DIR libpthread include directory],
[with_libpthread_includes="$withval"],[with_libpthread_includes=no])
AC_ARG_WITH(libpthread_libraries,
[ --with-libpthread-libraries=DIR libpthread library directory],
[with_libpthread_libraries="$withval"],[with_libpthread_libraries="no"])
if test "$with_libpthread_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpthread_includes}"
fi
dnl AC_CHECK_HEADER(pthread.h,,[AC_MSG_ERROR(pthread.h not found ...)])
if test "$with_libpthread_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpthread_libraries}"
fi
PTHREAD=""
AC_CHECK_LIB(pthread, pthread_create,, PTHREAD="no")
if test "$PTHREAD" = "no"; then
echo
echo " ERROR! libpthread library not found, glibc problem?"
echo
exit 1
fi
AC_CHECK_FUNCS([pthread_spin_unlock])
# libjansson
AC_ARG_WITH(libjansson_includes,
[ --with-libjansson-includes=DIR libjansson include directory],
[with_libjansson_includes="$withval"],[with_libjansson_includes=no])
AC_ARG_WITH(libjansson_libraries,
[ --with-libjansson-libraries=DIR libjansson library directory],
[with_libjansson_libraries="$withval"],[with_libjansson_libraries="no"])
if test "$with_libjansson_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libjansson_includes}"
fi
if test "$with_libjansson_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libjansson_libraries}"
fi
AC_CHECK_HEADER(jansson.h,JANSSON="yes",JANSSON="no")
AC_CHECK_LIB(jansson, json_dump_callback,, JANSSON="no")
if test "$JANSSON" = "no"; then
echo ""
echo " ERROR: Jansson is now required."
echo ""
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo ""
echo " Ubuntu/Debian: apt install libjansson-dev"
echo " CentOS: yum install jansson-devel"
echo " Fedora: dnf install jansson-devel"
echo ""
exit 1
fi
enable_jansson="yes"
enable_unixsocket="no"
AC_ARG_ENABLE(unix-socket,
AS_HELP_STRING([--enable-unix-socket], [Enable unix socket [default=test]]),[enable_unixsocket="$enableval"],[enable_unixsocket=test])
if test "$JANSSON" = "yes"; then
enable_jansson="yes"
if test "$JANSSON" = "no"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo " Ubuntu: apt-get install libjansson-dev"
echo " Fedora: dnf install jansson-devel"
echo " CentOS/RHEL: yum install jansson-devel"
echo
if test "x$enable_unixsocket" = "xyes"; then
exit 1
fi
enable_unixsocket="no"
enable_jansson="no"
else
case $host in
*-*-mingw32*|*-*-msys*|*-*-cygwin)
enable_unixsocket="no"
;;
*)
if test "x$enable_unixsocket" = "xtest"; then
enable_unixsocket="yes"
fi
;;
esac
fi
else
if test "x$enable_unixsocket" = "xyes"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo " Ubuntu: apt-get install libjansson-dev"
echo " Fedora: dnf install jansson-devel"
echo " CentOS/RHEL: yum install jansson-devel"
echo
exit 1
fi
enable_unixsocket="no"
fi
AS_IF([test "x$enable_unixsocket" = "xyes"], [AC_DEFINE([BUILD_UNIX_SOCKET], [1], [Unix socket support enabled])])
e_enable_evelog=$enable_jansson
AC_ARG_ENABLE(nflog,
AS_HELP_STRING([--enable-nflog],[Enable libnetfilter_log support]),
[ enable_nflog="$enableval"],
[ enable_nflog="no"])
AC_ARG_ENABLE(nfqueue,
AS_HELP_STRING([--enable-nfqueue], [Enable NFQUEUE support for inline IDP]),[enable_nfqueue=$enableval],[enable_nfqueue=no])
if test "$enable_nfqueue" != "no"; then
PKG_CHECK_MODULES([libnetfilter_queue], [libnetfilter_queue], [enable_nfqueue=yes], [enable_nfqueue=no])
CPPFLAGS="${CPPFLAGS} ${libnetfilter_queue_CFLAGS}"
fi
if test "x$enable_nflog" = "xyes" || test "x$enable_nfqueue" = "xyes"; then
# libnfnetlink
case $host in
*-*-mingw32*)
;;
*)
AC_ARG_WITH(libnfnetlink_includes,
[ --with-libnfnetlink-includes=DIR libnfnetlink include directory],
[with_libnfnetlink_includes="$withval"],[with_libnfnetlink_includes=no])
AC_ARG_WITH(libnfnetlink_libraries,
[ --with-libnfnetlink-libraries=DIR libnfnetlink library directory],