-
Notifications
You must be signed in to change notification settings - Fork 146
/
Copy pathconfigure.ac
2258 lines (2000 loc) · 87.9 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([2.69])
# For released versions, this is in x.y.z format.
# For GIT versions, this is x.y.z-git, where x.y.z denotes the next development
# version that is worked on and that is to be released.
AC_INIT(kea, 2.7.7-git, [email protected])
AC_CONFIG_SRCDIR(README)
# serial-tests is not available in automake version before 1.13, so
# we'll check that and conditionally use serial-tests. This check is
# adopted from code by Richard W.M. Jones:
# https://www.redhat.com/archives/libguestfs/2013-February/msg00102.html
m4_define([serial_tests], [
m4_esyscmd([automake --version |
head -1 |
awk '{split ($NF,a,"."); if (a[1] == 1 && a[2] >= 12) { print "serial-tests" }}'
])
])
AM_INIT_AUTOMAKE(foreign serial_tests)
AM_SILENT_RULES([yes])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4macros])
AC_CANONICAL_HOST
AC_CANONICAL_BUILD
# Check if the user provided a CXXFLAGS. Must be done before AC_PROG_CXX which
# sets it to a default.
if test -n "${CXXFLAGS+x}"; then
custom_cxxflags=true
else
custom_cxxflags=false
fi
# Check for compilers.
AC_PROG_CXX
# Check for preprocessors.
AC_PROG_CXXCPP
# Check for ln -s.
AC_PROG_LN_S
# Check for exact Kea version.
AC_MSG_CHECKING(whether this is a tarball or git source or package preparation)
# KEA_PKG_VERSION_IN_CONFIGURE and KEA_PKG_TYPE_IN_CONFIGURE names may be weird
# considering those are placed inside configure script, but those are designed
# to be set in package sources (APKBUILD, rules or kea.spec) kea-packaging repo
# KEA_PKG_VERSION_IN_CONFIGURE will be date and timestamp of the package
# e.g. "isc20230921141113"
# KEA_PKG_TYPE_IN_CONFIGURE will be type of the package "rpm", "deb" or "apk"
if test -n "$KEA_PKG_VERSION_IN_CONFIGURE"; then
KEA_SRCID="$KEA_PKG_VERSION_IN_CONFIGURE $KEA_PKG_TYPE_IN_CONFIGURE"
AC_MSG_RESULT("$KEA_PKG_TYPE_IN_CONFIGURE")
elif test -d "${srcdir}/.git"; then
KEA_SRCID="git `(cd "${top_srcdir}";git rev-parse HEAD)`"
AC_MSG_RESULT("git")
else
KEA_SRCID="tarball"
AC_MSG_RESULT("tarball")
fi
# Export KEA_SRCID to a C++ header.
# This will be either package version or "tarball" or "git abcd".
# We do not want to put this in a config.h, because it messes up ccache
# horribly. When building different branches, the commit-id is different
# and since the config.h is included in most files *and* has a different
# content, ccache can't use cached content and thus has to do full compilation.
# Now it is in kea_version.h and config.status substitutes it.
AC_SUBST(KEA_SRCID)
# Check whether the version is a development one (odd minor).
AC_MSG_CHECKING(whether this is a development or stable version)
PACKAGE_VERSION_MINOR=`echo $PACKAGE_VERSION | cut -d '.' -f 2`
PACKAGE_VERSION_TYPE="stable"
if expr "$PACKAGE_VERSION_MINOR" % 2 = 1; then
PACKAGE_VERSION_TYPE="development"
fi
# Export PACKAGE_VERSION_TYPE to kea_version.h
AC_SUBST(PACKAGE_VERSION_TYPE)
# Find a separator for path_replacer
for sep in "+" "," ";" "&" "__NONE__"; do
if `pwd | grep -q $sep`; then continue; fi
if `echo ${prefix} | grep -q $sep`; then continue; fi
if `echo ${sysconfdir} | grep -q $sep`; then continue; fi
if `echo ${localstatedir} | grep -q $sep`; then continue; fi
SEP=$sep
break
done
if test "$sep" = "__NONE__"; then
AC_MSG_ERROR([can't find a separator character in '+,;&' for the path_replacer shell script])
fi
AC_SUBST(SEP)
# pkg-config can be required.
AC_PATH_PROG([PKG_CONFIG], [pkg-config])
# check against BusyBox ps not supporting ps -p.
ps -p 1234 2>&1 > /dev/null | grep 'unrecognized option: p'
if test $? -eq 0; then
AC_MSG_WARN("ps does not support -p. It is likely the BusyBox ps: please install a full ps like procps")
fi
# Enable low-performing debugging facilities? This option optionally
# enables some debugging aids that perform slowly and hence aren't built
# by default.
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[enable debugging symbols, enable log4cplus's own logging, add more sanity checks in DNS code (default is no)])],
[case "${enableval}" in
yes) debug_enabled=yes ;;
no) debug_enabled=no ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
esac],[debug_enabled=no])
AM_CONDITIONAL([DEBUG_ENABLED], [test x$debug_enabled = xyes])
AM_COND_IF([DEBUG_ENABLED], [AC_DEFINE([ENABLE_DEBUG], [1], [Enable low-performing debugging facilities?])])
if test "${debug_enabled}" = 'yes'; then
# If the shell variable CXXFLAGS was not already set, based on compiler,
# AC_PROG_CXX can set it to -g, -O2, or both. Since they can conflict with
# what --enable-debug is setting, let's remove them, but only if the user has
# not explicitly set the variable. We don't inspect what the user set. If one
# of the conflicting flags was set, it might mean that the user wanted to
# override, which is fine.
if ! ${custom_cxxflags}; then
CXXFLAGS=''
fi
KEA_CXXFLAGS="${KEA_CXXFLAGS} -g3 -O0"
# g++ has some additional flags that can be useful.
if test "${GXX}" = 'yes'; then
KEA_CXXFLAGS="${KEA_CXXFLAGS} -ggdb3 -grecord-gcc-switches"
fi
fi
# Include premium configuration
INCLUDED_HOOKS=
PREMIUM=no
PREMIUM_DIR=
DISTCHECK_PREMIUM_CONFIGURE_FLAG=
AC_DEFUN([AX_PREMIUM],
[if test -f premium/config.m4; then
AC_MSG_ERROR([You appear to have added premium hooks after running autoreconf. Please run 'autoreconf -f -i' and then rerun this script.])
fi])
# m4_sinclude includes the file if it exists at autoreconf time
m4_sinclude(premium/config.m4)
AC_SUBST(PREMIUM_DIR)
AC_SUBST(DISTCHECK_PREMIUM_CONFIGURE_FLAG)
AX_PREMIUM
# Export PREMIUM to kea_version.h.
AC_SUBST(PREMIUM)
# Include contrib configuration
# (currently only a provision copied from premium support)
CONTRIB_DIR=
DISTCHECK_CONTRIB_CONFIGURE_FLAG=
AC_DEFUN([AX_CONTRIB],[])
m4_sinclude(contrib/config.m4)
AC_SUBST(CONTRIB_DIR)
AC_SUBST(DISTCHECK_CONTRIB_CONFIGURE_FLAG)
AX_CONTRIB
# Libtool configuration
#
# libtool cannot handle spaces in paths, so exit early if there is one
if [ test `echo $PWD | grep -c ' '` != "0" ]; then
AC_MSG_ERROR([Kea cannot be built in a directory that contains spaces, because of libtool limitations. Please change the directory name, or use a symbolic link that does not contain spaces.])
fi
# On FreeBSD (and probably some others), clang++ does not meet an autoconf
# assumption in identifying libtool configuration regarding shared library:
# the configure script will execute "$CC -shared $CFLAGS/$CXXFLAGS -v" and
# expect the output contains -Lxxx or -Ryyy. This is the case for g++, but
# not for clang++, and, as a result, it will cause various errors in linking
# programs or running them with a shared object (such as some of our python
# scripts).
# To work around this problem we define a temporary variable
# "CXX_LIBTOOL_LDFLAGS". It's expected to be defined as, e.g, "-L/usr/lib"
# to temporarily fake the output so that it will be compatible with that of
# g++.
CFLAGS_SAVED=$CFLAGS
CXXFLAGS_SAVED=$CXXFLAGS
CFLAGS="$CFLAGS $CXX_LIBTOOL_LDFLAGS"
CXXFLAGS="$CXXFLAGS $CXX_LIBTOOL_LDFLAGS"
LT_INIT
CFLAGS=$CFLAGS_SAVED
CXXFLAGS=$CXXFLAGS_SAVED
# Libtool puts libraries in .libs/ subdirs: substitute it outside Makefiles.
dotlibs=".libs/"
AC_SUBST(dotlibs)
# Use C++ language
AC_LANG([C++])
# Identify the compiler: this check must be after AC_PROG_CXX and AC_LANG.
AM_CONDITIONAL(USE_GXX, test "X${GXX}" = "Xyes")
AC_CHECK_DECL([__SUNPRO_CC], [SUNCXX="yes"], [SUNCXX="no"])
AC_CHECK_DECL([__clang__], [CLANGPP="yes"], [CLANGPP="no"])
# USE_CLANGPP is no longer used, keep it by symmetry with USE_GXX?
AM_CONDITIONAL(USE_CLANGPP, test "X${CLANGPP}" = "Xyes")
# Check for C++14 features support
AX_ISC_CPP14
# Check for C++17 features support
AX_ISC_CPP17
# Check for C++20 compiler support.
AX_ISC_CPP20
# Check for std::is_base_of support
AC_MSG_CHECKING([for std::is_base_of])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <type_traits>
class A {};
class B : A {};]
[static_assert(std::is_base_of<A, B>::value, "");])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_IS_BASE_OF], [1],
[Define to 1 if std::is_base_of is available])],
[AC_MSG_RESULT(no)])
# Check if system and steady clocks use the same duration type.
AC_MSG_CHECKING([for different std::chrono::duration types])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <chrono>
#include <type_traits>]
[static_assert(!std::is_same<
std::chrono::system_clock::duration,
std::chrono::steady_clock::duration
>::value, "");])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_DEFINE([CHRONO_SAME_DURATION], [1],
[Define to 1 if system and steady clocks use the same duration type])])
dnl Determine if we are using GNU sed
GNU_SED=no
$SED --version 2> /dev/null | grep GNU > /dev/null 2>&1
if test $? -eq 0; then
GNU_SED=yes
fi
# Display the C++ version
AC_MSG_CHECKING([C++ version])
cat > conftest.cpp << EOF
long v = __cplusplus;
EOF
CXX_STANDARD=`$CXX $CXXFLAGS -E -o - conftest.cpp | grep '^long v = ' | $SED -e 's/^long v = //' -e 's/[[^0-9]]*$//' 2> /dev/null`
if test -z "$CXX_STANDARD"; then
CXX_STANDARD="unknown"
fi
AC_MSG_RESULT([$CXX_STANDARD])
# Linker options
# check -R, "-Wl,-R" or -rpath
AX_ISC_RPATH
# Compiler dependent settings: define some mandatory CXXFLAGS here.
# We also use a separate variable KEA_CXXFLAGS. This will (and should) be
# used as the default value for each specific AM_CXXFLAGS:
# AM_CXXFLAGS = $(KEA_CXXFLAGS)
# AM_CXXFLAGS += ... # add module specific flags
# We need this so that we can disable some specific compiler warnings per
# module basis; since AM_CXXFLAGS are placed before CXXFLAGS, and since
# gcc's -Wno-XXX option must be specified after -Wall or -Wextra, we cannot
# specify the default warning flags in CXXFLAGS and let specific modules
# "override" the default.
# This may be used to try linker flags.
AC_DEFUN([KEA_CXX_TRY_FLAG], [
AC_MSG_CHECKING([whether $CXX supports $1])
kea_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -Werror $1"
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(){ return 0;}])],
[kea_cxx_flag=yes], [kea_cxx_flag=no])
CXXFLAGS="$kea_save_CXXFLAGS"
if test "x$kea_cxx_flag" = "xyes"; then
ifelse([$2], , :, [$2])
else
ifelse([$3], , :, [$3])
fi
AC_MSG_RESULT([$kea_cxx_flag])
])
CXX_VERSION="unknown"
# SunStudio compiler requires special compiler options for boost
# (https://web.archive.org/web/20100103115135/http://blogs.sun.com/sga/entry/boost_mini_howto)
if test "$SUNCXX" = "yes"; then
CXX_VERSION=`$CXX -V 2> /dev/null | head -1`
CXXFLAGS="$CXXFLAGS -library=stlport4 -features=tmplife -features=tmplrefstatic"
KEA_CXXFLAGS="$KEA_CXXFLAGS -mt"
MULTITHREADING_FLAG="-mt"
fi
# Newer versions of clang++ promotes "unused driver arguments" warnings to
# a fatal error with -Werror, causing build failure. Since we use multiple
# compilers on multiple systems, this can easily happen due to settings for
# non clang++ environments that could be just ignored otherwise. It can also
# happen if clang++ is used via ccache. So, although probably suboptimal,
# we suppress this particular warning. Note that it doesn't weaken checks
# on the source code.
if test "X$CLANGPP" = "Xyes"; then
CXX_VERSION=`$CXX --version 2> /dev/null | head -1`
KEA_CXXFLAGS="$KEA_CXXFLAGS -Qunused-arguments"
fi
# Comparison function based on the sort command that works with decimal numbers
# in a portable manner to the detriment of expr, test and most other commands.
less_than() {
# Equal means not less than.
if test "${1}" = "${2}"; then
return 1
fi
# Sort numerically, check the first item against ${1}.
if test "$(printf '%s\n%s\n' "${1}" "${2}" | sort -V | head -n 1)" = "${1}"; then
return 0
fi
# ${2} is smaller than ${1}.
return 1
}
# gcc/clang specific settings:
if test "X$GXX" = "Xyes"; then
CXX_VERSION=`$CXX --version 2> /dev/null | head -1`
KEA_CXXFLAGS="$KEA_CXXFLAGS -Wall -Wextra -Wnon-virtual-dtor -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare"
# gcc 4.4 would emit warnings about breaking strict aliasing rules.
# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41874
CXX_DUMP_VERSION=`$CXX -dumpversion | cut -f1-2 -d.`
if less_than "$CXX_DUMP_VERSION" "4.5"; then
WARNING_GCC_44_STRICT_ALIASING_CFLAG="-fno-strict-aliasing"
fi
AC_SUBST(WARNING_GCC_44_STRICT_ALIASING_CFLAG)
CPPP="$CXXCPP"
# gcc 5 preprocessor requires -P for checking its output
if less_than "5" "$CXX_DUMP_VERSION"; then
CPPP="$CPPP -P"
fi
# Kea does not support unicode aka wide character strings. Some systems force it
# by default in headers. Provide a way to explicitly disable it.
AC_ARG_ENABLE(unicode,
[AS_HELP_STRING([--disable-unicode], [Explicitly disable unicode])],
[case "${enableval}" in
yes) AC_MSG_ERROR(["You are trying to explicitly enable unicode. Kea does not support unicode."]) ;;
no) KEA_CXXFLAGS="${KEA_CXXFLAGS} -U_UNICODE -UUNICODE" ;;
esac])
case "$host" in
*-solaris*)
MULTITHREADING_FLAG=-pthreads
# In Solaris, IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT need -Wno-missing-braces
KEA_CXXFLAGS="$KEA_CXXFLAGS -Wno-missing-braces"
;;
*-apple-darwin*)
MULTITHREADING_FLAG=
;;
*)
MULTITHREADING_FLAG=-pthread
;;
esac
KEA_CXXFLAGS="$KEA_CXXFLAGS $MULTITHREADING_FLAG"
dumpmachine=`$CXX -dumpmachine`
case "$dumpmachine" in
*-musl)
AC_MSG_WARN("Detected musl libc: musl dlclose() is a noop")
AC_DEFINE([LIBC_MUSL], [1], [Define to 1 if libc is musl])
;;
esac
# Disable -Werror by default. Only use it if specifically enabled.
# The usage of this flag is:
#
# No flag: -Werror is disabled
# --with-werror: -Werror is enabled
# --with-werror=yes: -Werror is enabled
# --with-werror=no: -Werror is disabled
# --with-werror=value -Werror is enabled and "value" is included in the compiler flags
#
# In the last case, "value" may be one or more compiler flags, e.g.
# --with-werror=-Wundef
# --with-werror='-Wundef -Wconversion'
werror_extras=
AC_ARG_WITH(werror,
[AS_HELP_STRING([--with-werror],[Compile using -Werror (default=no)])],
[
case "${withval}" in
yes) with_werror=1 ;;
no) with_werror=0 ;;
-*) with_werror=1; werror_extras=${withval} ;;
*) AC_MSG_ERROR(bad value ${withval} for --with-werror) ;;
esac],
[with_werror=0])
werror_ok=0
# Certain versions of gcc (g++) have a bug that incorrectly warns about
# the use of anonymous name spaces even if they're closed in a single
# translation unit. For these versions we have to disable -Werror.
if test $with_werror = 1; then
CXXFLAGS_SAVED="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $KEA_CXXFLAGS -Werror"
AC_MSG_CHECKING(for in-TU anonymous namespace breakage)
# We use struct, not class, here, because some compilers complain about
# "unused private members", causing a false positive.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
namespace { struct Foo {}; }
namespace isc { struct Bar { Foo foo_; }; }
]], [[]])],
[AC_MSG_RESULT(no)
werror_ok=1
KEA_CXXFLAGS="$KEA_CXXFLAGS -Werror"],
[AC_MSG_RESULT(yes)]
)
CXXFLAGS="$CXXFLAGS_SAVED"
fi
# Added flags after -Werror
# Some versions of GCC warn about some versions of Boost regarding
# missing initializer for members in its posix_time.
# https://web.archive.org/web/20150911093559/https://svn.boost.org/trac/boost/ticket/3477
# But older GCC compilers don't have the flag.
KEA_CXX_TRY_FLAG([-Wno-missing-field-initializers],
[KEA_CXXFLAGS="$KEA_CXXFLAGS -Wno-missing-field-initializers"])
if test "X$CLANGPP" = "Xyes"; then
# This is to workaround unused variables tcout and tcerr in
# log4cplus's streams.h and unused parameters from some of the
# Boost headers.
KEA_CXXFLAGS="$KEA_CXXFLAGS -Wno-unused-variable -Wno-unused-parameter"
fi
# Add the extras at the very last
# Note it can be used to re-enable a (fatal) warning
for extra in $werror_extras; do
KEA_CXX_TRY_FLAG([$extra],
[KEA_CXXFLAGS="$KEA_CXXFLAGS $extra"],
[AC_MSG_ERROR([$CXX does not support $extra"])])
done
fi # if test "X$GXX" = "Xyes"
# allow building programs with static link. we need to make it selective
# because loadable modules cannot be statically linked.
AC_ARG_ENABLE([static-link],
[AS_HELP_STRING([--enable-static-link],
[build programs with static link [[default=no]]])],
[enable_static_link=yes], [enable_static_link=no])
AM_CONDITIONAL(USE_STATIC_LINK, test $enable_static_link = yes)
AM_COND_IF([USE_STATIC_LINK], [AC_DEFINE([USE_STATIC_LINK], [1], [Was Kea statically linked?])])
# Check validity about some libtool options
if test $enable_static_link = yes -a $enable_static = no; then
AC_MSG_ERROR([--enable-static-link requires --enable-static])
fi
if test $enable_static_link = no -a $enable_shared = no; then
AC_MSG_ERROR([--disable-static-link requires --enable-shared])
fi
# OS dependent configuration
kea_undefined_pthread_behavior=no
case "$host" in
*-solaris*)
# Solaris requires special definitions to get some standard libraries
# (e.g. getopt(3)) available with common used header files.
CPPFLAGS="$CPPFLAGS -D_XPG4_2 -D__EXTENSIONS__"
# "now" binding is necessary to prevent deadlocks in C++ static initialization code
LDFLAGS="$LDFLAGS -z now"
# Destroying locked mutexes, condition variables being waited
# on, etc. are undefined behavior on Solaris, so we set it as
# such here.
kea_undefined_pthread_behavior=yes
;;
*-apple-darwin*)
# Starting with OSX 10.7 (Lion) we must choose which IPv6 API to use
# (RFC2292 or RFC3542).
CPPFLAGS="$CPPFLAGS -D__APPLE_USE_RFC_3542"
# In OS X 10.9 (and possibly any future versions?) pthread_cond_destroy
# doesn't work as documented, which makes some of unit tests fail.
AC_MSG_CHECKING([OS X versions where destroying locked locks do not fail])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <Availability.h>
]], [[
#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
#error " OS X >= 10.9"
#endif
#endif
return 1;
]])],
[AC_MSG_RESULT([OS X < 10.9])],
[AC_MSG_RESULT([OS X >= 10.9])
kea_undefined_pthread_behavior=yes])
;;
*-freebsd*)
# On FreeBSD10.1 pthread_cond_destroy doesn't work as documented, which
# causes the CondVarTest.destroyWhileWait test to fail. According to the
# pthread_cond_destroy documentation for FreeBSD, this function should
# return EBUSY error when there is a thread waiting for the conditional
# variable, whereas this function returned success code. We treat it here
# as an undefined behavior. Also note that this issue was only visible
# when gtest 1.7 was in use, because the previous versions of gtest
# didn't seem to have support for the death tests on FreeBSD. As a
# result, the test was not executed and the error didn't occur.
kea_undefined_pthread_behavior=yes
;;
esac
if [ test $kea_undefined_pthread_behavior = "yes" ]; then
AC_DEFINE([HAS_UNDEFINED_PTHREAD_BEHAVIOR], [1], [Does this platform have some undefined pthreads behavior?])
fi
# Our experiments have shown Solaris 10 has broken support for the
# IPV6_USE_MIN_MTU socket option for getsockopt(); it doesn't return the value
# previously set via setsockopt(). We know it doesn't happen on one instance
# on Solaris 11, but we don't know whether it happens for any Solaris 10
# implementations or for earlier versions of Solaris. In any case, at the
# moment this matters for only one unittest case, so we'll simply disable
# the affected test using the following definition with the specific hardcoding
# of that version of Solaris.
case "$host" in
*-solaris2.10)
AC_DEFINE([HAVE_BROKEN_GET_IPV6_USE_MIN_MTU], [1],
[Define to 1 if getsockopt(IPV6_USE_MIN_MTU) does not work])
;;
esac
# Made perfdhcp optional.
AC_ARG_ENABLE(perfdhcp, [AS_HELP_STRING([--enable-perfdhcp],
[enable perfdhcp, a DHCP benchmarking tool [default=no]])],
enable_perfdhcp=$enableval, enable_perfdhcp=no)
DISTCHECK_PERFDHCP_CONFIGURE_FLAG=
if test "x$enable_perfdhcp" != xno ; then
DISTCHECK_PERFDHCP_CONFIGURE_FLAG="--enable-perfdhcp"
fi
# Export to makefiles the info whether we have perfdhcp enabled or not
AM_CONDITIONAL(PERFDHCP, test x$enable_perfdhcp != xno)
AC_SUBST(DISTCHECK_PERFDHCP_CONFIGURE_FLAG)
# produce PIC unless we disable shared libraries. need this for python bindings.
if test $enable_shared != "no" -a "X$GXX" = "Xyes"; then
KEA_CXXFLAGS="$KEA_CXXFLAGS -fPIC"
fi
# Look for glib static libs if they're trying to do static builds
if test $enable_static_link != "no"; then
CXX_SAVED=$CXX
CXX="$CXX -static"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <math.h>],[(void)sqrt(-1.0);])],
[AC_MSG_RESULT([checking for static glib libraries... yes])],
[AC_MSG_RESULT([checking for static glib libraries... no])
AC_MSG_ERROR([Building with --enable-static-link does not work. You appear to be missing glib static libraries. Check config.log for details.])])
CXX=$CXX_SAVED
fi
AC_SUBST(KEA_CXXFLAGS)
# Checks for libraries.
AC_SEARCH_LIBS(inet_pton, [nsl])
AC_SEARCH_LIBS(recvfrom, [socket])
AC_SEARCH_LIBS(nanosleep, [rt])
AC_SEARCH_LIBS(dlsym, [dl])
# Checks for header files.
# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
# Detect OS type (it may be used to do OS-specific things, e.g.
# interface detection in DHCP)
AC_MSG_CHECKING(OS type)
BSD_TYPE="notaBSD"
case $host in
*-linux*)
AC_DEFINE([OS_LINUX], [1], [Running on Linux?])
OS_TYPE="Linux"
CPPFLAGS="$CPPFLAGS -DOS_LINUX"
;;
*-apple-darwin*)
AC_DEFINE([OS_BSD], [1], [Running on BSD?])
AC_DEFINE([OS_OSX], [1], [Running on OSX?])
OS_TYPE="BSD"
BSD_TYPE="OSX"
CPPFLAGS="$CPPFLAGS -DOS_BSD"
;;
*-freebsd*)
AC_DEFINE([OS_BSD], [1], [Running on BSD?])
AC_DEFINE([OS_FREEBSD], [1], [Running on FreeBSD?])
OS_TYPE="BSD"
BSD_TYPE="FreeBSD"
CPPFLAGS="$CPPFLAGS -DOS_BSD"
;;
*-netbsd*)
AC_DEFINE([OS_BSD], [1], [Running on BSD?])
AC_DEFINE([OS_NETBSD], [1], [Running on NetBSD?])
OS_TYPE="BSD"
BSD_TYPE="NetBSD"
CPPFLAGS="$CPPFLAGS -DOS_BSD"
;;
*-openbsd*)
AC_DEFINE([OS_BSD], [1], [Running on BSD?])
AC_DEFINE([OS_OPENBSD], [1], [Running on OpenBSD?])
OS_TYPE="BSD"
BSD_TYPE="OpenBSD"
CPPFLAGS="$CPPFLAGS -DOS_BSD"
;;
*-solaris*)
AC_DEFINE([OS_SOLARIS], [1], [Running on Solaris?])
OS_TYPE="Solaris"
CPPFLAGS="$CPPFLAGS -DOS_SUN"
;;
*)
OS_TYPE="Unknown"
# $host_os is more user friendly than full $host
AC_MSG_WARN("Unsupported OS: $host_os")
;;
esac
AC_MSG_RESULT($OS_TYPE)
AM_CONDITIONAL(OS_LINUX, test $OS_TYPE = Linux)
AM_CONDITIONAL(OS_BSD, test $OS_TYPE = BSD)
AM_CONDITIONAL(OS_SOLARIS, test $OS_TYPE = Solaris)
AM_CONDITIONAL(OS_OSX, test $BSD_TYPE = OSX)
AM_CONDITIONAL(OS_FREEBSD, test $BSD_TYPE = FreeBSD)
AM_CONDITIONAL(OS_NETBSD, test $BSD_TYPE = NetBSD)
AM_CONDITIONAL(OS_OPENBSD, test $BSD_TYPE = OpenBSD)
AC_MSG_CHECKING(for sa_len in struct sockaddr)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
]], [[
struct sockaddr sa;
sa.sa_len = 0;
return (0);
]])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SA_LEN, 1, [Define to 1 if sockaddr has a sa_len member, and corresponding sin_len and sun_len])],
[AC_MSG_RESULT(no)]
)
usable_regex=
AC_MSG_CHECKING(for usable C++11 regex)
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <regex>
#include <iostream>
int main() {
const std::regex regex(".*");
const std::string string = "This should match!";
const auto result = std::regex_search(string, regex);
return result ? EXIT_SUCCESS : EXIT_FAILURE;
}]])],
[AC_MSG_RESULT(yes)
usable_regex="yes"],
[AC_MSG_RESULT(no)
usable_regex="no"],
[AC_MSG_RESULT(cross compiling)])
# When cross-compiling we don't have any way to check if regex is
# usable or not.
# Let's be optimistic and assume it is by testing only the negative case.
if test "${usable_regex}" = 'no'; then
AC_MSG_ERROR([Need proper regex functionality.])
fi
# Check for NETCONF support. If NETCONF was enabled in the build, and this check
# passes, it will enforce the --std=c++20 flag. Let's do the check as early as
# possible so that the rest of the checks include the flag as well.
AX_NETCONF
# Run the gtest detection routines. This supports --with-gtest and --with-gtest-source
# parameters. If specified, those will set the HAVE_GTEST, HAVE_GTEST_SOURCE,
# DISTCHECK_GTEST_CONFIGURE_FLAG, GTEST_INCLUDES, GTEST_LDFLAGS, GTEST_LDADD, GTEST_SOURCE
# variables.
AX_ISC_GTEST
# Sets up for use of botan unless openssl is specified
# sets variables CRYPTO_*
AX_CRYPTO
# List of directories, where tools like mysql_config or pgsql_config will be
# searched for
defaultdirs="/usr /usr/local /usr/pkg /opt /opt/local"
# Check for MySql. The path to the mysql_config program is given with
# the --with-mysql-config (default to /usr/bin/mysql-config). By default,
# the software is not built with MySQL support enabled.
mysql_config="no"
AC_ARG_WITH([mysql],
[AS_HELP_STRING([--with-mysql[[=PATH]]],
[path to the MySQL 'mysql_config' script (MySQL is used for the DHCP database)])],
[mysql_config="$withval"])
deprec_msg="no"
AC_ARG_WITH([dhcp-mysql],,
[mysql_config="$withval";deprec_msg="yes"])
if test "${deprec_msg}" = "yes" ; then
AC_MSG_WARN([--with-dhcp-mysql has been deprecated, please use --with-mysql])
fi
if test "${mysql_config}" = "yes" ; then
MYSQL_CONFIG="/usr/bin/mysql_config"
for d in $defaultdirs
do
if test -f $d/bin/mysql_config; then
MYSQL_CONFIG="$d/bin/mysql_config"
break
fi
done
elif test "${mysql_config}" != "no" ; then
MYSQL_CONFIG="${withval}"
fi
DISTCHECK_MYSQL_CONFIGURE_FLAG=
if test "$MYSQL_CONFIG" != "" ; then
if test -d "$MYSQL_CONFIG" -o ! -x "$MYSQL_CONFIG" ; then
AC_MSG_ERROR([MySQL dependencies cannot be found. Please install MySQL libraries or point --with-mysql to mysql_config program if it is located in non-default directory, eg. --with-mysql=/opt/mysql/bin/mysql_config.])
fi
DISTCHECK_MYSQL_CONFIGURE_FLAG="--with-mysql=$MYSQL_CONFIG"
MYSQL_CPPFLAGS=`$MYSQL_CONFIG --cflags`
MYSQL_LIBS=`$MYSQL_CONFIG --libs`
MYSQL_LIBS="$MYSQL_LIBS $CRYPTO_LIBS"
MYSQL_VERSION=`$MYSQL_CONFIG --version`
AC_SUBST(MYSQL_CPPFLAGS)
AC_SUBST(MYSQL_LIBS)
AC_SUBST(DISTCHECK_MYSQL_CONFIGURE_FLAG)
# Check that a simple program using MySQL functions can compile and link.
CPPFLAGS_SAVED="$CPPFLAGS"
LIBS_SAVED="$LIBS"
CPPFLAGS="$MYSQL_CPPFLAGS $CPPFLAGS"
LIBS="$MYSQL_LIBS $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <mysql.h>],
[MYSQL mysql_handle;
(void) mysql_init(&mysql_handle);
])],
[AC_MSG_RESULT([checking for MySQL headers and library... yes])],
[AC_MSG_RESULT([checking for MySQL headers and library... no])
AC_MSG_ERROR([Needs MySQL library])]
)
# Note that MYSQL is present in the config.h file
AC_DEFINE([HAVE_MYSQL], [1], [MySQL is present])
# Check if my_bool is defined.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([#include <mysql.h>
const my_bool MLM_FALSE = 0;]
[])],
[AC_MSG_RESULT([checking for MySQL my_bool... yes])
AC_DEFINE([HAVE_MYSQL_MY_BOOL], [1], [MySQL uses my_bool])],
[AC_MSG_RESULT([checking for MySQL my_bool... no])])
# Check if mysql_get_option is defined.
AC_MSG_CHECKING([for MySQL mysql_get_option])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include <mysql.h>],
[MYSQL handle;
unsigned int timeout;
mysql_get_option(&handle, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);]
)],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_MYSQL_GET_OPTION], [true], [MySQL has mysql_get_option defined.])],
[AC_MSG_RESULT([no])
AC_MSG_WARN([mysql_get_option program failed to build:
$(cat conftest.cpp)
$(cat conftest.err)])]
)
# Beginning with MySQL 8.0.34 MYSQL_OPT_RECONNNECT is deprecated.
# Check if MYSQL_OPT_RECONNNECT is defined.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([#include <mysql.h>
auto temp = MYSQL_OPT_RECONNECT;]
[])],
[AC_MSG_RESULT([checking for MySQL MYSQL_OPT_RECONNNECT... yes])
AC_DEFINE([HAVE_MYSQL_OPT_RECONNECT], [1], [MySQL has MYSQL_OPT_RECONNNECT])],
[AC_MSG_RESULT([checking for MySQL MYSQL_OPT_RECONNECT... no])])
CPPFLAGS=$CPPFLAGS_SAVED
LIBS=$LIBS_SAVED
fi
# Solaris puts FIONREAD in filio.h
AC_CHECK_HEADERS(sys/filio.h,,,)
# ... and at the shell level, so Makefile.am can take action depending on this.
AM_CONDITIONAL(HAVE_MYSQL, test "$MYSQL_CONFIG" != "")
pg_config="no"
AC_ARG_WITH([pgsql],
[AS_HELP_STRING([--with-pgsql[[=PATH]]],
[path to the PostgreSQL 'pg_config' script])],
[pg_config="$withval"])
deprec_msg="no"
AC_ARG_WITH([dhcp-pgsql],,
[pg_config="$withval";deprec_msg="yes"])
if test "${deprec_msg}" = "yes" ; then
AC_MSG_WARN([--with-dhcp-pgsql has been deprecated, please use --with-pgsql])
fi
if test "${pg_config}" = "yes" ; then
PG_CONFIG="/usr/bin/pg_config"
for d in $defaultdirs
do
if test -f $d/bin/pg_config; then
PG_CONFIG="$d/bin/pg_config"
break
fi
done
elif test "${pg_config}" != "no" ; then
PG_CONFIG="${withval}"
fi
DISTCHECK_PGSQL_CONFIGURE_FLAG=
if test "$PG_CONFIG" != "" ; then
if test -d "$PG_CONFIG" -o ! -x "$PG_CONFIG" ; then
AC_MSG_ERROR([PostgreSQL dependencies cannot be found. Please install PostgreSQL libraries or point --with-pgsql to pg_config program if it is located in non-default directory, eg. --with-pgsql=/opt/pgsql/bin/pg_config.])
fi
DISTCHECK_PGSQL_CONFIGURE_FLAG="--with-pgsql=$PG_CONFIG"
PGSQL_CPPFLAGS=`$PG_CONFIG --cppflags`
PGSQL_INCLUDEDIR=`$PG_CONFIG --includedir`
PGSQL_INCLUDEDIR_SERVER=`$PG_CONFIG --includedir-server`
PGSQL_CPPFLAGS="$PGSQL_CPPFLAGS -I$PGSQL_INCLUDEDIR -I$PGSQL_INCLUDEDIR_SERVER"
PGSQL_LIBS=`$PG_CONFIG --libdir`
PGSQL_LIBS="-L$PGSQL_LIBS -lpq"
PGSQL_VERSION=`$PG_CONFIG --version`
PGSQL_MAJOR_VERSION=`$PG_CONFIG --version | cut -f2 -d' ' | cut -f1 -d'.'`
AC_SUBST(PGSQL_CPPFLAGS)
AC_SUBST(PGSQL_LIBS)
AC_SUBST(DISTCHECK_PGSQL_CONFIGURE_FLAG)
# Check that a simple program using PostgreSQL functions can compile and link.
CPPFLAGS_SAVED="$CPPFLAGS"
LIBS_SAVED="$LIBS"
CPPFLAGS="$PGSQL_CPPFLAGS $CPPFLAGS"
LIBS="$PGSQL_LIBS $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <libpq-fe.h>],
[PGconn * c = PQconnectdb("dbname = 'postgres'");
PQfinish(c);])],
[AC_MSG_RESULT([checking for PostgreSQL headers and library... yes])],
[AC_MSG_RESULT([checking for PostgreSQL headers and library... no])
AC_MSG_ERROR([Needs PostgreSQL library])]
)
CPPFLAGS=$CPPFLAGS_SAVED
LIBS=$LIBS_SAVED
# Note that PostgreSQL is present in the config.h file
AC_DEFINE([HAVE_PGSQL], [1], [PostgreSQL is present])
if test $PGSQL_MAJOR_VERSION -ge 12; then
AC_DEFINE([HAVE_PGSQL_TCP_USER_TIMEOUT], [1], [PostgreSQL connection parameter tcp_user_timeout supported])
fi
fi
# ... and at the shell level, so Makefile.am can take action depending on this.
AM_CONDITIONAL(HAVE_PGSQL, test "$PG_CONFIG" != "")
# allow building kea programs with a PostgreSQL without OpenSSL.
AC_ARG_ENABLE([pgsql-ssl],
[AS_HELP_STRING([--enable-pgsql-ssl],
[enable OpenSSL support in PostgreSQL [default=yes]])],
[pgsql_ssl=$enableval], [pgsql_ssl=no], [pgsql_ssl=yes])
if test "${pgsql_ssl}" = "yes"; then
AC_DEFINE([HAVE_PGSQL_SSL], [1], [PostgreSQL was built with OpenSSL support])
fi
# Check for log4cplus
DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG=
log4cplus_path="yes"
AC_ARG_WITH([log4cplus],
[AS_HELP_STRING([--with-log4cplus[[=PATH]]],
[optional path to the log4cplus installation directory])],
[log4cplus_path="$withval"])
if test "${log4cplus_path}" = "no" ; then
AC_MSG_ERROR([Need log4cplus])
elif test "${log4cplus_path}" != "yes" ; then
DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG="-with-log4cplus=${log4cplus_path}"
LOG4CPLUS_INCLUDES="-I${log4cplus_path}/include"
LOG4CPLUS_LIBS="-L${log4cplus_path}/lib"
else
# If not specified, try some common paths.
for d in $defaultdirs
do
if test -f $d/include/log4cplus/logger.h; then
LOG4CPLUS_INCLUDES="-I$d/include"
LOG4CPLUS_LIBS="-L$d/lib"
if test -d $d/lib64; then
LOG4CPLUS_LIBS="$LOG4CPLUS_LIBS -L$d/lib64"
fi
break
fi
done
DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG="-with-log4cplus"
fi
LOG4CPLUS_LIBS="$LOG4CPLUS_LIBS -llog4cplus"
AC_SUBST(DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG)
AC_SUBST(LOG4CPLUS_LIBS)
AC_SUBST(LOG4CPLUS_INCLUDES)
CPPFLAGS_SAVED=$CPPFLAGS
CPPFLAGS="$LOG4CPLUS_INCLUDES $CPPFLAGS"
LIBS_SAVED="$LIBS"
LIBS="$LOG4CPLUS_LIBS $MULTITHREADING_FLAG $LIBS"
AC_CHECK_HEADERS([log4cplus/logger.h],,
AC_MSG_ERROR([Missing required header file (logger.h) from the log4cplus package]))
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <log4cplus/logger.h>
],
[using namespace log4cplus;
Logger logger = Logger::getInstance("main");
])],
[AC_MSG_RESULT([checking for log4cplus library... yes])],
[AC_MSG_RESULT([checking for log4cplus library... no])
AC_MSG_ERROR([Needs log4cplus library])]
)
dnl Determine the log4cplus version, used mainly for config.report.
AC_MSG_CHECKING([log4cplus version])
cat > conftest.cpp << EOF
#include <log4cplus/version.h>
AUTOCONF_LOG4CPLUS_VERSION=LOG4CPLUS_VERSION_STR
EOF
# The tabulation below is NOT an error: PLEASE keep it.
LOG4CPLUS_VERSION=`$CPPP $CPPFLAGS conftest.cpp | grep '^AUTOCONF_LOG4CPLUS_VERSION=' | $SED -e 's/^AUTOCONF_LOG4CPLUS_VERSION=//' -e 's/[[ ]]//g' -e 's/"//g' 2> /dev/null`
if test -z "$LOG4CPLUS_VERSION"; then
LOG4CPLUS_VERSION="unknown"
fi
$RM -f conftest.cpp
AC_MSG_RESULT([$LOG4CPLUS_VERSION])
CPPFLAGS=$CPPFLAGS_SAVED
LIBS=$LIBS_SAVED
# Older log4cplus versions (1.2.0) don't have the initializer.h header that
# would allow explicit initialization. Newer versions (2.0.4 for sure, possibly
# older as well) have it and it's recommended to use it. We detect whether
# it's present or not and do explicit initialization if possible.
CPPFLAGS_SAVED=$CPPFLAGS
CPPFLAGS="$LOG4CPLUS_INCLUDES $CPPFLAGS"
LIBS_SAVED="$LIBS"
LIBS="$LOG4CPLUS_LIBS $LIBS"