summaryrefslogtreecommitdiff
path: root/configure.ac
blob: 59cc9fd99e65fb07cc6511e13b2848536a922b05 (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
#
#  This file is part of systemd.
#
#  Copyright 2010-2012 Lennart Poettering
#  Copyright 2010-2012 Kay Sievers
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.
#
#  systemd is distributed in the hope that it will be useful, but
#  WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
#  Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public License
#  along with systemd; If not, see <http://www.gnu.org/licenses/>.

AC_PREREQ([2.64])

AC_INIT([systemd],
        [229],
        [http://github.com/systemd/systemd/issues],
        [systemd],
        [http://www.freedesktop.org/wiki/Software/systemd])

AC_CONFIG_SRCDIR([src/core/main.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_AUX_DIR([build-aux])

AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AC_PREFIX_DEFAULT([/usr])
AM_MAINTAINER_MODE([enable])
AM_INIT_AUTOMAKE([foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects parallel-tests])
AM_SILENT_RULES([yes])
AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED([CANONICAL_HOST], "$host", [Canonical host string.])

AC_PROG_CC_C99

AX_COMPILER_VENDOR
AS_IF([test "x$ax_cv_c_compiler_vendor" = "xgnu"], [
      AC_CHECK_TOOLS([AR], [gcc-ar ar], [:])
      AC_CHECK_TOOLS([NM], [gcc-nm nm], [:])
      AC_CHECK_TOOLS([RANLIB], [gcc-ranlib ranlib], [:])
])

LT_PREREQ(2.2)
LT_INIT([disable-static])

AS_IF([test "x$enable_static" = "xyes"], [AC_MSG_ERROR([--enable-static is not supported by systemd])])
AS_IF([test "x$enable_largefile" = "xno"], [AC_MSG_ERROR([--disable-largefile is not supported by systemd])])

SET_ARCH(X86_64, x86_64*)
SET_ARCH(IA32, i*86*)
SET_ARCH(MIPS, mips*)
SET_ARCH(AARCH64, aarch64*)

# i18n stuff for the PolicyKit policy files, heck whether intltool can be found, disable NLS otherwise
AC_CHECK_PROG(intltool_found, [intltool-merge], [yes], [no])
AS_IF([test x"$intltool_found" != xyes],
      [AS_IF([test x"$enable_nls" = xyes],
             [AC_MSG_ERROR([--enable-nls requested but intltool not found])],
             [AS_IF([test x"$enable_nls" != xno],
                    [AC_MSG_WARN([*** Disabling NLS support because intltool was not found])
                     enable_nls=no])
             ])
      ])

AM_NLS
AS_IF([test x"$enable_nls" != xno -o "x$enable_polkit" != xno], [
    # intltoolize greps for '^(AC|IT)_PROG_INTLTOOL', so it needs to be on its own line
IT_PROG_INTLTOOL([0.40.0])
])

AS_IF([test -z "$INTLTOOL_POLICY_RULE"], [
    # If intltool is not available, provide a dummy rule to fail generation of %.policy files with a meaningful error message
    INTLTOOL_POLICY_RULE='%.policy: %.policy.in ; @echo "  ITMRG   " $@ && echo "*** intltool support required to build target $@" && false'
    AC_SUBST(INTLTOOL_POLICY_RULE)
])

GETTEXT_PACKAGE=systemd
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", [systemd])

AC_PROG_MKDIR_P
AC_PROG_LN_S
AC_PROG_SED
AC_PROG_GREP
AC_PROG_AWK

AC_PATH_PROG([M4], [m4])

AC_PATH_PROG([QUOTAON], [quotaon], [/usr/sbin/quotaon], [$PATH:/usr/sbin:/sbin])
AC_PATH_PROG([QUOTACHECK], [quotacheck], [/usr/sbin/quotacheck], [$PATH:/usr/sbin:/sbin])

AC_PATH_PROG([SETCAP], [setcap], [/usr/sbin/setcap], [$PATH:/usr/sbin:/sbin])

AC_PATH_PROG([KILL], [kill], [/usr/bin/kill], [$PATH:/usr/sbin:/sbin])

AC_PATH_PROG([KMOD], [kmod], [/usr/bin/kmod], [$PATH:/usr/sbin:/sbin])

AC_PATH_PROG([KEXEC], [kexec], [/usr/sbin/kexec], [$PATH:/usr/sbin:/sbin])

AC_PATH_PROG([SULOGIN], [sulogin], [/usr/sbin/sulogin], [$PATH:/usr/sbin:/sbin])

AC_PATH_PROG([MOUNT_PATH], [mount], [/usr/bin/mount], [$PATH:/usr/sbin:/sbin])
AC_PATH_PROG([UMOUNT_PATH], [umount], [/usr/bin/umount], [$PATH:/usr/sbin:/sbin])

AS_IF([! ln --relative --help > /dev/null 2>&1], [AC_MSG_ERROR([*** ln doesn't support --relative ***])])

M4_DEFINES=

AC_CHECK_TOOL(OBJCOPY, objcopy)
AC_CHECK_TOOL(STRINGS, strings)
AC_CHECK_TOOL(GPERF, gperf)
if test -z "$GPERF" ; then
        AC_MSG_ERROR([*** gperf not found])
fi

# ------------------------------------------------------------------------------
address_sanitizer_cflags=
address_sanitizer_cppflags=
address_sanitizer_ldflags=
AC_ARG_ENABLE(address-sanitizer, AS_HELP_STRING([--enable-address-sanitizer], [enable -fsanitize=address]))
AS_IF([test "x$enable_address_sanitizer" = "xyes"], [
            CC_CHECK_FLAG_APPEND([with_as_cflags], [CFLAGS], [-fsanitize=address])
            AS_IF([test -z "$with_as_cflags"],
                  [AC_MSG_ERROR([*** -fsanitize=address is not supported])])
            address_sanitizer_cflags="$with_as_cflags -fno-omit-frame-pointer -DVALGRIND=1"
            address_sanitizer_cppflags="-DVALGRIND=1"
            address_sanitizer_ldflags="-Wc,-fsanitize=address"
      ])

undefined_sanitizer_cflags=
undefined_sanitizer_cppflags=
undefined_sanitizer_ldflags=
AC_ARG_ENABLE(undefined-sanitizer, AS_HELP_STRING([--enable-undefined-sanitizer], [enable -fsanitize=undefined]))
AS_IF([test "x$enable_undefined_sanitizer" = "xyes"], [
            CC_CHECK_FLAG_APPEND([with_us_cflags], [CFLAGS], [-fsanitize=undefined])
            AS_IF([test -z "$with_us_cflags"],
                  [AC_MSG_ERROR([*** -fsanitize=undefined is not supported])])
            undefined_sanitizer_cflags="$with_us_cflags -fno-omit-frame-pointer -DVALGRIND=1"
            undefined_sanitizer_cppflags="-DVALGRIND=1"
            undefined_sanitizer_ldflags="-Wc,-fsanitize=undefined"
      ])

sanitizer_cflags="$address_sanitizer_cflags $undefined_sanitizer_cflags"
sanitizer_cppflags="$address_sanitizer_cppflags $undefined_sanitizer_cppflags"
sanitizer_ldflags="$address_sanitizer_ldflags $undefined_sanitizer_ldflags"

CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
        -pipe \
        -Wall \
        -Wextra \
        -Wundef \
        "-Wformat=2 -Wformat-security -Wformat-nonliteral" \
        -Wlogical-op \
        -Wmissing-include-dirs \
        -Wold-style-definition \
        -Wpointer-arith \
        -Winit-self \
        -Wdeclaration-after-statement \
        -Wfloat-equal \
        -Wsuggest-attribute=noreturn \
        -Werror=missing-prototypes \
        -Werror=implicit-function-declaration \
        -Werror=missing-declarations \
        -Werror=return-type \
        -Wstrict-prototypes \
        -Wredundant-decls \
        -Wmissing-noreturn \
        -Wshadow \
        -Wendif-labels \
        -Wstrict-aliasing=2 \
        -Wwrite-strings \
        -Wno-unused-parameter \
        -Wno-missing-field-initializers \
        -Wno-unused-result \
        -Wno-format-signedness \
        -Werror=overflow \
        -Wdate-time \
        -Wnested-externs \
        -ffast-math \
        -fno-common \
        -fdiagnostics-show-option \
        -fno-strict-aliasing \
        -fvisibility=hidden \
        -fstack-protector \
        -fstack-protector-strong \
        -fPIE \
        --param=ssp-buffer-size=4])

CC_CHECK_FLAG_APPEND([with_cflags], [CFLAGS], [-Werror=shadow], [
#include <time.h>
#include <inttypes.h>
typedef uint64_t usec_t;
usec_t now(clockid_t clock);
int main(void) {
        struct timespec now;
        return 0;
}
])

AS_CASE([$CC], [*clang*],
        [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
               -Wno-typedef-redefinition \
               -Wno-gnu-variable-sized-type-not-at-end \
        ])])

AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
        [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
               -flto])],
        [AC_MSG_RESULT([skipping -flto, optimization not enabled])])
AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")

AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
        [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
               -Wp,-D_FORTIFY_SOURCE=2])],
        [AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])
AC_SUBST([OUR_CPPFLAGS], "$with_cppflags $sanitizer_cppflags")

AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
        [CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
               -Wl,--gc-sections])],
        [AC_MSG_RESULT([skipping --gc-sections, optimization not enabled])])
AC_SUBST([OUR_CFLAGS], "$with_ldflags $sanitizer_cflags")

AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
        [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
               -ffunction-sections -fdata-sections])],
        [AC_MSG_RESULT([skipping -ffunction/data-section, optimization not enabled])])
AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")

CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
        -Wl,--as-needed \
        -Wl,--no-undefined \
        -Wl,-z,relro \
        -Wl,-z,now \
        -pie \
        -Wl,-fuse-ld=gold])
AC_SUBST([OUR_LDFLAGS], "$with_ldflags $sanitizer_ldflags")

AC_CHECK_SIZEOF(pid_t)
AC_CHECK_SIZEOF(uid_t)
AC_CHECK_SIZEOF(gid_t)
AC_CHECK_SIZEOF(time_t)
AC_CHECK_SIZEOF(dev_t)
AC_CHECK_SIZEOF(rlim_t,,[
       #include <sys/time.h>
       #include <sys/resource.h>
])

# ------------------------------------------------------------------------------
# we use python to build the man page index
have_python=no
AC_ARG_WITH([python],
        [AS_HELP_STRING([--without-python], [Disable building the man page index and systemd-python (default: test)])])

have_lxml=no
AS_IF([test "x$with_python" != "xno"], [
        AM_PATH_PYTHON(,, [:])
        AS_IF([test "x$PYTHON" != "x:"], [
                AC_MSG_CHECKING([for python lxml module])
                AS_IF(["$PYTHON" -c 'import lxml' 2>/dev/null], [have_lxml=yes])
                AC_MSG_RESULT([$have_lxml])
                AS_IF([test "x$have_lxml" = "xyes"], [have_python=yes],
                      [AC_MSG_WARN([*** python support requires python-lxml module installed])])
        ])
])
AS_IF([test "$have_python" != "yes"], [
      AS_IF([test "$with_python" = "yes"],
            [AC_MSG_ERROR([*** python support requested but python support not found])])
      AS_IF([test "$with_python" != "no"],
            [AC_MSG_WARN([*** python support not found, some documentation cannot be built])])
])
AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = "xyes"])

# ------------------------------------------------------------------------------

AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
AC_CHECK_HEADERS([linux/btrfs.h], [], [])
AC_CHECK_HEADERS([linux/memfd.h], [], [])

# unconditionally pull-in librt with old glibc versions
AC_SEARCH_LIBS([clock_gettime], [rt], [], [])

save_LIBS="$LIBS"
LIBS=
AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
CAP_LIBS="$LIBS"
LIBS="$save_LIBS"
AC_SUBST(CAP_LIBS)

AC_CHECK_FUNCS([memfd_create])
AC_CHECK_FUNCS([__secure_getenv secure_getenv])
AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2,
                kcmp, keyctl, key_serial_t, char16_t, char32_t, LO_FLAGS_PARTSCAN],
               [], [], [[
#include <sys/types.h>
#include <unistd.h>
#include <sys/mount.h>
#include <fcntl.h>
#include <sched.h>
#include <linux/loop.h>
#include <linux/random.h>
]])

AC_CHECK_DECLS([IFLA_INET6_ADDR_GEN_MODE,
                IFLA_MACVLAN_FLAGS,
                IFLA_IPVLAN_MODE,
                IFLA_VTI_REMOTE,
                IFLA_PHYS_PORT_ID,
                IFLA_BOND_AD_INFO,
                IFLA_VLAN_PROTOCOL,
                IFLA_VXLAN_REMCSUM_NOPARTIAL,
                IFLA_IPTUN_ENCAP_DPORT,
                IFLA_GRE_ENCAP_DPORT,
                IFLA_BRIDGE_VLAN_INFO,
                IFLA_BRPORT_LEARNING_SYNC,
                IFLA_BR_PRIORITY,
                NDA_IFINDEX,
                IFA_FLAGS],
[], [], [[
#include <inttypes.h>
#include <netinet/in.h>
#include <netinet/ether.h>
#include <linux/rtnetlink.h>
#include <net/if.h>
#include <linux/ip.h>
#include <linux/if_tunnel.h>
#include <linux/if_link.h>
#include <linux/if_bridge.h>
#include <linux/if_addr.h>
#include <linux/neighbour.h>
]])

# This makes sure pkg.m4 is available.
m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])

# ------------------------------------------------------------------------------
have_dbus=no
AC_ARG_ENABLE(dbus, AS_HELP_STRING([--disable-dbus], [disable usage of dbus-1 in tests]))
AS_IF([test "x$enable_dbus" != "xno"], [
        PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.3.2],
                [AC_DEFINE(HAVE_DBUS, 1, [Define if dbus-1 library is available]) have_dbus=yes],
                [have_dbus=no])
        AS_IF([test "x$have_dbus" = "xno" -a "x$enable_dbus" = "xyes"],
                [AC_MSG_ERROR([*** dbus-1 support requested but libraries not found])])])
AM_CONDITIONAL(HAVE_DBUS, [test "$have_dbus" = "yes"])

# ------------------------------------------------------------------------------
have_utmp=yes
AC_ARG_ENABLE([utmp], AS_HELP_STRING([--disable-utmp], [disable utmp/wtmp log handling]),
        AS_CASE("x${enableval}",
                [xyes], [have_utmp=yes],
                [xno],  [have_utmp=no],
                AC_MSG_ERROR(bad value ${enableval} for --enable-utmp)))
AS_IF([test "x$have_utmp" = "xyes"], [AC_DEFINE(HAVE_UTMP, 1, [Define if utmp/wtmp support is enabled])])
AM_CONDITIONAL([HAVE_UTMP], [test "x$have_utmp" = "xyes"])

# ------------------------------------------------------------------------------
have_compat_libs=no
AC_ARG_ENABLE([compat_libs], AS_HELP_STRING([--enable-compat-libs],[Enable creation of compatibility libraries]),
                [case "${enableval}" in
                        yes) have_compat_libs=yes ;;
                        no) have_compat_libs=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --enable-compat-libs) ;;
                esac],
                [have_compat_libs=no])
AM_CONDITIONAL([ENABLE_COMPAT_LIBS], [test "$have_compat_libs" = "yes"])

# ------------------------------------------------------------------------------
have_coverage=no
AC_ARG_ENABLE(coverage, AS_HELP_STRING([--enable-coverage], [enable test coverage]))
if test "x$enable_coverage" = "xyes" ; then
        AC_CHECK_PROG(lcov_found, [lcov], [yes], [no])
        if test "x$lcov_found" = xno ; then
                AC_MSG_ERROR([*** lcov support requested but the program was not found])
        else
                lcov_version_major="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 1`"
                lcov_version_minor="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 2`"
                if test "$lcov_version_major" -eq 1 -a "$lcov_version_minor" -lt 10; then
                        AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
                else
                        have_coverage=yes
                        CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
                        -fprofile-arcs \
                        -ftest-coverage])
                        AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
                fi
        fi
fi
AM_CONDITIONAL(ENABLE_COVERAGE, [test "$have_coverage" = "yes"])

# ------------------------------------------------------------------------------
have_kmod=no
AC_ARG_ENABLE(kmod, AS_HELP_STRING([--disable-kmod], [disable loadable modules support]))
if test "x$enable_kmod" != "xno"; then
        PKG_CHECK_EXISTS([ libkmod ], have_kmod=yes, have_kmod=no)
        if test "x$have_kmod" = "xyes"; then
                PKG_CHECK_MODULES(KMOD, [ libkmod >= 15 ],
                        [AC_DEFINE(HAVE_KMOD, 1, [Define if kmod is available])],
                        AC_MSG_ERROR([*** kmod version >= 15 not found]))
        fi
        if test "x$have_kmod" = xno -a "x$enable_kmod" = xyes; then
                AC_MSG_ERROR([*** kmod support requested, but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_KMOD, [test "$have_kmod" = "yes"])

# ------------------------------------------------------------------------------
have_xkbcommon=no
AC_ARG_ENABLE(xkbcommon, AS_HELP_STRING([--disable-xkbcommon], [disable xkbcommon keymap support]))
if test "x$enable_xkbcommon" != "xno"; then
        PKG_CHECK_MODULES(XKBCOMMON, [ xkbcommon >= 0.3.0 ],
                [AC_DEFINE(HAVE_XKBCOMMON, 1, [Define if libxkbcommon is available]) have_xkbcommon=yes], have_xkbcommon=no)
        if test "x$have_xkbcommon" = xno -a "x$enable_xkbcommon" = xyes; then
                AC_MSG_ERROR([*** xkbcommon support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_XKBCOMMON, [test "$have_xkbcommon" = "yes"])

# ------------------------------------------------------------------------------
have_blkid=no
AC_ARG_ENABLE(blkid, AS_HELP_STRING([--disable-blkid], [disable blkid support]))
if test "x$enable_blkid" != "xno"; then
        PKG_CHECK_MODULES(BLKID, [ blkid >= 2.24 ],
                [AC_DEFINE(HAVE_BLKID, 1, [Define if blkid is available]) have_blkid=yes], have_blkid=no)
        if test "x$have_blkid" = xno -a "x$enable_blkid" = xyes; then
                AC_MSG_ERROR([*** blkid support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_BLKID, [test "$have_blkid" = "yes"])

# ------------------------------------------------------------------------------
have_libmount=no
PKG_CHECK_MODULES(MOUNT, [ mount >= 2.27 ],
        [AC_DEFINE(HAVE_LIBMOUNT, 1, [Define if libmount is available]) have_libmount=yes], have_libmount=no)
if test "x$have_libmount" = xno; then
        AC_MSG_ERROR([*** libmount support required but libraries not found])
fi
AM_CONDITIONAL(HAVE_LIBMOUNT, [test "$have_libmount" = "yes"])

# ------------------------------------------------------------------------------
have_seccomp=no
AC_ARG_ENABLE(seccomp, AS_HELP_STRING([--disable-seccomp], [Disable optional SECCOMP support]))
if test "x$enable_seccomp" != "xno"; then
        PKG_CHECK_MODULES(SECCOMP, [libseccomp >= 1.0.0],
               [AC_DEFINE(HAVE_SECCOMP, 1, [Define if seccomp is available])
                have_seccomp=yes
                M4_DEFINES="$M4_DEFINES -DHAVE_SECCOMP"],
               [have_seccomp=no])
        if test "x$have_seccomp" = "xno" -a "x$enable_seccomp" = "xyes"; then
                AC_MSG_ERROR([*** seccomp support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_SECCOMP, [test "$have_seccomp" = "yes"])

# ------------------------------------------------------------------------------
have_ima=yes
AC_ARG_ENABLE([ima], AS_HELP_STRING([--disable-ima],[Disable optional IMA support]),
                [case "${enableval}" in
                        yes) have_ima=yes ;;
                        no) have_ima=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-ima) ;;
                esac],
                [have_ima=yes])

if test "x${have_ima}" != xno ; then
        AC_DEFINE(HAVE_IMA, 1, [Define if IMA is available])
fi

# ------------------------------------------------------------------------------
have_selinux=no
AC_ARG_ENABLE(selinux, AS_HELP_STRING([--disable-selinux], [Disable optional SELINUX support]))
if test "x$enable_selinux" != "xno"; then
        PKG_CHECK_MODULES([SELINUX], [libselinux >= 2.1.9],
                [AC_DEFINE(HAVE_SELINUX, 1, [Define if SELinux is available])
                 have_selinux=yes
                 M4_DEFINES="$M4_DEFINES -DHAVE_SELINUX"],
                [have_selinux=no])
        if test "x$have_selinux" = xno -a "x$enable_selinux" = xyes; then
                AC_MSG_ERROR([*** SELinux support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_SELINUX, [test "$have_selinux" = "yes"])

have_apparmor=no
AC_ARG_ENABLE(apparmor, AS_HELP_STRING([--disable-apparmor], [Disable optional AppArmor support]))
if test "x$enable_apparmor" != "xno"; then
        PKG_CHECK_MODULES([APPARMOR], [libapparmor],
                [AC_DEFINE(HAVE_APPARMOR, 1, [Define if AppArmor is available])
                 have_apparmor=yes
                 M4_DEFINES="$M4_DEFINES -DHAVE_APPARMOR"],
                [have_apparmor=no])
        if test "x$have_apparmor" = xno -a "x$enable_apparmor" = xyes; then
                AC_MSG_ERROR([*** AppArmor support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_APPARMOR, [test "$have_apparmor" = "yes"])


AC_ARG_WITH(debug-shell,
        AS_HELP_STRING([--with-debug-shell=PATH],
                [Path to debug shell binary]),
        [SUSHELL="$withval"],[
        AS_IF([test "x${have_selinux}" != "xno"], [SUSHELL="/sbin/sushell"] , [SUSHELL="/bin/sh"])])

AC_SUBST(SUSHELL)

AC_ARG_WITH([debug-tty],
        AS_HELP_STRING([--with-debug-tty=PATH],
                [Specify the tty device for debug shell]),
        [DEBUGTTY="$withval"],
        [DEBUGTTY=/dev/tty9])

AC_SUBST(DEBUGTTY)

AC_ARG_WITH([certificate-root],
        AS_HELP_STRING([--with-certificate-root=PATH],
                [Specify the prefix for TLS certificates [/etc/ssl]]),
        [CERTIFICATEROOT="$withval"],
        [CERTIFICATEROOT="/etc/ssl"])

AC_SUBST(CERTIFICATEROOT)

# ------------------------------------------------------------------------------
have_xz=no
AC_ARG_ENABLE(xz, AS_HELP_STRING([--disable-xz], [Disable optional XZ support]))
AS_IF([test "x$enable_xz" != "xno"], [
        PKG_CHECK_MODULES(XZ, [ liblzma ],
                [AC_DEFINE(HAVE_XZ, 1, [Define if XZ is available])
                 have_xz=yes],
                 have_xz=no)
        AS_IF([test "x$have_xz" = xno -a "x$enable_xz" = xyes],
              [AC_MSG_ERROR([*** XZ support requested but libraries not found])])
])
AM_CONDITIONAL(HAVE_XZ, [test "$have_xz" = "yes"])

# ------------------------------------------------------------------------------
have_zlib=no
AC_ARG_ENABLE(zlib, AS_HELP_STRING([--disable-zlib], [Disable optional ZLIB support]))
AS_IF([test "x$enable_zlib" != "xno"], [
        PKG_CHECK_MODULES(ZLIB, [ zlib ],
                [AC_DEFINE(HAVE_ZLIB, 1, [Define if ZLIB is available])
                 have_zlib=yes],
                 have_zlib=no)
        AS_IF([test "x$have_zlib" = xno -a "x$enable_zlib" = xyes],
              [AC_MSG_ERROR([*** ZLIB support requested but libraries not found])])
])
AM_CONDITIONAL(HAVE_ZLIB, [test "$have_zlib" = "yes"])

# ------------------------------------------------------------------------------
have_bzip2=no
AC_ARG_ENABLE(bzip2, AS_HELP_STRING([--enable-bzip2], [Enable optional BZIP2 support]))
AS_IF([test "x$enable_bzip2" != "xno"], [
        AC_CHECK_HEADERS(bzlib.h,
                [AC_DEFINE(HAVE_BZIP2, 1, [Define if BZIP2 is available])
                 have_bzip2=yes],
                [AS_IF([test "x$enable_bzip2" = xyes],
                       [AC_MSG_ERROR([*** BZIP2 support requested but headers not found])])]
        )
])
AM_CONDITIONAL(HAVE_BZIP2, [test "$have_bzip2" = "yes"])

# ------------------------------------------------------------------------------
have_lz4=no
AC_ARG_ENABLE(lz4, AS_HELP_STRING([--disable-lz4], [Disable optional LZ4 support]))
AS_IF([test "x$enable_lz4" != "xno"], [
        PKG_CHECK_MODULES(LZ4, [ liblz4 >= 125 ],
               [AC_DEFINE(HAVE_LZ4, 1, [Define in LZ4 is available])
                have_lz4=yes],
                have_lz4=no)
        AS_IF([test "x$have_lz4" = xno -a "x$enable_lz4" = xyes],
              [AC_MSG_ERROR([*** LZ4 support requested but libraries not found])])
])
AM_CONDITIONAL(HAVE_LZ4, [test "$have_lz4" = "yes"])

AM_CONDITIONAL(HAVE_COMPRESSION, [test "$have_xz" = "yes" -o "$have_lz4" = "yes"])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE([pam],
        AS_HELP_STRING([--disable-pam],[Disable optional PAM support]),
                [case "${enableval}" in
                        yes) have_pam=yes ;;
                        no) have_pam=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-pam) ;;
                esac],
                [have_pam=auto])

if test "x${have_pam}" != xno ; then
        AC_CHECK_HEADERS(
                [security/pam_modules.h security/pam_modutil.h security/pam_ext.h],
                [have_pam=yes],
                [if test "x$have_pam" = xyes ; then
                        AC_MSG_ERROR([*** PAM headers not found.])
                fi])

        AC_CHECK_LIB(
                [pam],
                [pam_syslog],
                [have_pam=yes],
                [if test "x$have_pam" = xyes ; then
                        AC_MSG_ERROR([*** libpam not found.])
                fi])

        if test "x$have_pam" = xyes ; then
                PAM_LIBS="-lpam -lpam_misc"
                AC_DEFINE(HAVE_PAM, 1, [PAM available])
                M4_DEFINES="$M4_DEFINES -DHAVE_PAM"
        else
                have_pam=no
        fi
else
        PAM_LIBS=
fi
AC_SUBST(PAM_LIBS)
AM_CONDITIONAL([HAVE_PAM], [test "x$have_pam" != xno])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE([acl],
        AS_HELP_STRING([--disable-acl],[Disable optional ACL support]),
                [case "${enableval}" in
                        yes) have_acl=yes ;;
                        no) have_acl=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-acl) ;;
                esac],
                [have_acl=auto])

if test "x${have_acl}" != xno ; then
        AC_CHECK_HEADERS(
                [sys/acl.h acl/libacl.h],
                [have_acl=yes],
                [if test "x$have_acl" = xyes ; then
                        AC_MSG_ERROR([*** ACL headers not found.])
                fi])

        AC_CHECK_LIB(
                [acl],
                [acl_get_file],
                [have_acl=yes],
                [if test "x$have_acl" = xyes ; then
                        AC_MSG_ERROR([*** libacl not found.])
                fi])

        if test "x$have_acl" = xyes ; then
                ACL_LIBS="-lacl"
                AC_DEFINE(HAVE_ACL, 1, [ACL available])
                M4_DEFINES="$M4_DEFINES -DHAVE_ACL"
        else
                have_acl=no
        fi
else
        ACL_LIBS=
fi
AC_SUBST(ACL_LIBS)
AM_CONDITIONAL([HAVE_ACL], [test "x$have_acl" != xno])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE([smack], AS_HELP_STRING([--disable-smack],[Disable optional SMACK support]),
                [case "${enableval}" in
                        yes) have_smack=yes ;;
                        no) have_smack=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-smack) ;;
                esac],
                [have_smack=auto])

if test "x${have_smack}" != xno; then
        AC_DEFINE(HAVE_SMACK, 1, [Define if SMACK is available])
        M4_DEFINES="$M4_DEFINES -DHAVE_SMACK"
        have_smack=yes
fi

AM_CONDITIONAL([HAVE_SMACK], [test "x$have_smack" = "xyes"])

have_smack_run_label=no
AC_ARG_WITH(smack-run-label,
AS_HELP_STRING([--with-smack-run-label=STRING],
        [run systemd --system itself with a specific SMACK label]),
        [AC_DEFINE_UNQUOTED(SMACK_RUN_LABEL, ["$withval"], [Run systemd itself with SMACK label]) have_smack_run_label=yes],
        [])

if test "x${have_smack_run_label}" = xyes; then
        M4_DEFINES="$M4_DEFINES -DHAVE_SMACK_RUN_LABEL"
fi

AC_ARG_WITH(smack-default-process-label,
AS_HELP_STRING([--with-smack-default-process-label=STRING],
        [default SMACK label for executed processes]),
        [AC_DEFINE_UNQUOTED(SMACK_DEFAULT_PROCESS_LABEL, ["$withval"], [Default SMACK label for executed processes])],
        [])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE([gcrypt],
        AS_HELP_STRING([--disable-gcrypt],[Disable optional GCRYPT support]),
                [case "${enableval}" in
                        yes) have_gcrypt=yes ;;
                        no) have_gcrypt=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-gcrypt) ;;
                esac],
                [have_gcrypt=auto])

if test "x${have_gcrypt}" != xno ; then
        m4_define([AM_PATH_LIBGCRYPT_FAIL],
                [{ test "x$have_gcrypt" != xyes || AC_MSG_ERROR([*** GCRYPT/GPG-ERROR headers not found.]); }]
        )
        m4_ifdef([AM_PATH_LIBGCRYPT], [AM_PATH_LIBGCRYPT(
                        [1.4.5],
                        [have_gcrypt=yes],
                        dnl  If we have the gcrypt m4 macros, but don't have
                        dnl  gcrypt, throw an error if gcrypt is explicitly
                        dnl  requested.
                        [AM_PATH_LIBGCRYPT_FAIL]
                )],
                dnl  If we don't have the gcrypt m4 macros, but build with
                dnl  gcrypt explicitly requested, throw an error.
                [AM_PATH_LIBGCRYPT_FAIL]
        )

        have_gpg_error=no
        m4_ifdef([AM_PATH_GPG_ERROR], [AM_PATH_GPG_ERROR(
                        [1.12],
                        [have_gpg_error=yes],
                        [AM_PATH_LIBGCRYPT_FAIL]
                )],
                [AM_PATH_LIBGCRYPT_FAIL]
        )

        if test "x$have_gcrypt" = xyes -a "x$have_gpg_error" = xyes ; then
                GCRYPT_LIBS="$LIBGCRYPT_LIBS $GPG_ERROR_LIBS"
                GCRYPT_CFLAGS="$LIBGCRYPT_CFLAGS $GPG_ERROR_CFLAGS"
                AC_DEFINE(HAVE_GCRYPT, 1, [GCRYPT available])
        else
                have_gcrypt=no
                have_gpg_error=no
        fi
else
        GCRYPT_LIBS=
        GCRYPT_CFLAGS=
fi
AC_SUBST(GCRYPT_LIBS)
AC_SUBST(GCRYPT_CFLAGS)
AM_CONDITIONAL([HAVE_GCRYPT], [test "x$have_gcrypt" != xno])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE([audit],
        AS_HELP_STRING([--disable-audit],[Disable optional AUDIT support]),
                [case "${enableval}" in
                        yes) have_audit=yes ;;
                        no) have_audit=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-audit) ;;
                esac],
                [have_audit=auto])

if test "x${have_audit}" != xno ; then
        AC_CHECK_HEADERS(
                [libaudit.h],
                [have_audit=yes],
                [if test "x$have_audit" = xyes ; then
                        AC_MSG_ERROR([*** AUDIT headers not found.])
                fi])

        AC_CHECK_LIB(
                [audit],
                [audit_open],
                [have_audit=yes],
                [if test "x$have_audit" = xyes ; then
                        AC_MSG_ERROR([*** libaudit not found.])
                fi])

        if test "x$have_audit" = xyes ; then
                AUDIT_LIBS="-laudit"
                AC_DEFINE(HAVE_AUDIT, 1, [AUDIT available])
        else
                have_audit=no
        fi
else
        AUDIT_LIBS=
fi
AC_SUBST(AUDIT_LIBS)
AM_CONDITIONAL([HAVE_AUDIT], [test "x$have_audit" != xno])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE([elfutils],
        AS_HELP_STRING([--disable-elfutils],[Disable optional ELFUTILS support]),
                [case "${enableval}" in
                        yes) have_elfutils=yes ;;
                        no) have_elfutils=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-elfutils) ;;
                esac],
                [have_elfutils=auto])

if test "x${have_elfutils}" != xno ; then
        AC_CHECK_HEADERS(
                [elfutils/libdwfl.h],
                [],
                [if test "x$have_elfutils" = xyes ; then
                        AC_MSG_ERROR([*** ELFUTILS headers not found.])
                fi])

        AC_CHECK_LIB(
                [dw],
                [dwfl_core_file_attach],
                [have_elfutils=yes],
                [if test "x$have_elfutils" = xyes ; then
                        AC_MSG_ERROR([*** ELFUTILS >= 158 is required.])
                fi])

        if test "x$have_elfutils" = xyes ; then
                ELFUTILS_LIBS="-lelf -ldw"
                AC_DEFINE(HAVE_ELFUTILS, 1, [ELFUTILS available])
        else
                have_elfutils=no
        fi
else
        ELFUTILS_LIBS=
fi
AC_SUBST(ELFUTILS_LIBS)
AM_CONDITIONAL(HAVE_ELFUTILS, [test "$have_elfutils" = "yes"])

# ------------------------------------------------------------------------------
have_libcryptsetup=no
AC_ARG_ENABLE(libcryptsetup, AS_HELP_STRING([--disable-libcryptsetup], [disable libcryptsetup tools]))
if test "x$enable_libcryptsetup" != "xno"; then
        PKG_CHECK_MODULES(LIBCRYPTSETUP, [ libcryptsetup >= 1.6.0 ],
                [AC_DEFINE(HAVE_LIBCRYPTSETUP, 1, [Define if libcryptsetup is available]) have_libcryptsetup=yes], have_libcryptsetup=no)
        if test "x$have_libcryptsetup" = xno -a "x$enable_libcryptsetup" = xyes; then
                AC_MSG_ERROR([*** libcryptsetup support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_LIBCRYPTSETUP, [test "$have_libcryptsetup" = "yes"])

# ------------------------------------------------------------------------------
have_qrencode=no
AC_ARG_ENABLE(qrencode, AS_HELP_STRING([--disable-qrencode], [disable qrencode support]))
if test "x$enable_qrencode" != "xno"; then
        PKG_CHECK_MODULES(QRENCODE, [ libqrencode ],
                [AC_DEFINE(HAVE_QRENCODE, 1, [Define if qrencode is available]) have_qrencode=yes], have_qrencode=no)
        if test "x$have_qrencode" = xno -a "x$enable_qrencode" = xyes; then
                AC_MSG_ERROR([*** qrencode support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_QRENCODE, [test "$have_qrencode" = "yes"])

# ------------------------------------------------------------------------------
have_gnutls=no
AC_ARG_ENABLE(gnutls, AS_HELP_STRING([--disable-gnutls], [disable gnutls support]))
if test "x$enable_gnutls" != "xno"; then
        PKG_CHECK_MODULES(GNUTLS, [gnutls >= 3.1.4],
                [AC_DEFINE(HAVE_GNUTLS, 1, [Define if gnutls is available]) have_gnutls=yes], have_gnutls=no)
        if test "x$have_gnutls" = xno -a "x$enable_gnutls" = xyes; then
                AC_MSG_ERROR([*** gnutls support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_GNUTLS, [test "$have_gnutls" = "yes"])

# ------------------------------------------------------------------------------
have_microhttpd=no
AC_ARG_ENABLE(microhttpd, AS_HELP_STRING([--disable-microhttpd], [disable microhttpd support]))
if test "x$enable_microhttpd" != "xno"; then
        PKG_CHECK_MODULES(MICROHTTPD, [libmicrohttpd >= 0.9.33],
                [AC_DEFINE(HAVE_MICROHTTPD, 1, [Define if microhttpd is available])
                 have_microhttpd=yes
                 M4_DEFINES="$M4_DEFINES -DHAVE_MICROHTTPD"],
                [have_microhttpd=no])
        if test "x$have_microhttpd" = xno -a "x$enable_microhttpd" = xyes; then
                AC_MSG_ERROR([*** microhttpd support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_MICROHTTPD, [test "$have_microhttpd" = "yes"])

# ------------------------------------------------------------------------------
have_libcurl=no
AC_ARG_ENABLE(libcurl, AS_HELP_STRING([--disable-libcurl], [disable libcurl support]))
if test "x$enable_libcurl" != "xno"; then
        PKG_CHECK_MODULES(LIBCURL, [libcurl],
                [AC_DEFINE(HAVE_LIBCURL, 1, [Define if libcurl is available])
                 have_libcurl=yes
                 M4_DEFINES="$M4_DEFINES -DHAVE_LIBCURL"],
                [have_libcurl=no])
        if test "x$have_libcurl" = xno -a "x$enable_libcurl" = xyes; then
                AC_MSG_ERROR([*** libcurl support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_LIBCURL, [test "$have_libcurl" = "yes"])

# ------------------------------------------------------------------------------
AM_CONDITIONAL(HAVE_REMOTE, [test "$have_microhttpd" = "yes" -o "$have_libcurl" = "yes"])

# ------------------------------------------------------------------------------
have_libidn=no
AC_ARG_ENABLE(libidn, AS_HELP_STRING([--disable-libidn], [Disable optional LIBIDN support]))
if test "x$enable_libidn" != "xno"; then
        PKG_CHECK_MODULES(LIBIDN, [libidn],
               [AC_DEFINE(HAVE_LIBIDN, 1, [Define if libidn is available])
                have_libidn=yes
                M4_DEFINES="$M4_DEFINES -DHAVE_LIBIDN"],
               [have_libidn=no])
        if test "x$have_libidn" = "xno" -a "x$enable_libidn" = "xyes"; then
                AC_MSG_ERROR([*** libidn support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_LIBIDN, [test "$have_libidn" = "yes"])

# ------------------------------------------------------------------------------
have_libiptc=no
AC_ARG_ENABLE(libiptc, AS_HELP_STRING([--disable-libiptc], [Disable optional LIBIPTC support]))
if test "x$enable_libiptc" != "xno"; then
        PKG_CHECK_MODULES(LIBIPTC, [libiptc],
               [AC_DEFINE(HAVE_LIBIPTC, 1, [Define if libiptc is available])
                have_libiptc=yes
                M4_DEFINES="$M4_DEFINES -DHAVE_LIBIPTC"],
               [have_libiptc=no])
        if test "x$have_libiptc" = "xno" -a "x$enable_libiptc" = "xyes"; then
                AC_MSG_ERROR([*** libiptc support requested but libraries not found])
        fi
fi
AM_CONDITIONAL(HAVE_LIBIPTC, [test "$have_libiptc" = "yes"])

# ------------------------------------------------------------------------------
have_binfmt=no
AC_ARG_ENABLE(binfmt, AS_HELP_STRING([--disable-binfmt], [disable binfmt tool]))
if test "x$enable_binfmt" != "xno"; then
        have_binfmt=yes
fi
AM_CONDITIONAL(ENABLE_BINFMT, [test "$have_binfmt" = "yes"])

# ------------------------------------------------------------------------------
have_vconsole=no
AC_ARG_ENABLE(vconsole, AS_HELP_STRING([--disable-vconsole], [disable vconsole tool]))
if test "x$enable_vconsole" != "xno"; then
        have_vconsole=yes
fi
AM_CONDITIONAL(ENABLE_VCONSOLE, [test "$have_vconsole" = "yes"])

# ------------------------------------------------------------------------------
have_bootchart=no
AC_ARG_ENABLE(bootchart, AS_HELP_STRING([--disable-bootchart], [disable bootchart tool]))
if test "x$enable_bootchart" != "xno"; then
        have_bootchart=yes
fi
AM_CONDITIONAL(ENABLE_BOOTCHART, [test "$have_bootchart" = "yes"])

# ------------------------------------------------------------------------------
have_quotacheck=no
AC_ARG_ENABLE(quotacheck, AS_HELP_STRING([--disable-quotacheck], [disable quotacheck tools]))
if test "x$enable_quotacheck" != "xno"; then
        have_quotacheck=yes
fi
AM_CONDITIONAL(ENABLE_QUOTACHECK, [test "$have_quotacheck" = "yes"])

# ------------------------------------------------------------------------------
have_tmpfiles=no
AC_ARG_ENABLE(tmpfiles, AS_HELP_STRING([--disable-tmpfiles], [disable tmpfiles support]))
if test "x$enable_tmpfiles" != "xno"; then
        have_tmpfiles=yes
fi
AM_CONDITIONAL(ENABLE_TMPFILES, [test "$have_tmpfiles" = "yes"])

# ------------------------------------------------------------------------------
have_sysusers=no
AC_ARG_ENABLE(sysusers, AS_HELP_STRING([--disable-sysusers], [disable sysusers support]))
if test "x$enable_sysusers" != "xno"; then
        have_sysusers=yes
fi
AM_CONDITIONAL(ENABLE_SYSUSERS, [test "$have_sysusers" = "yes"])

# ------------------------------------------------------------------------------
have_firstboot=no
AC_ARG_ENABLE(firstboot, AS_HELP_STRING([--disable-firstboot], [disable firstboot support]))
if test "x$enable_firstboot" != "xno"; then
        have_firstboot=yes
fi
AM_CONDITIONAL(ENABLE_FIRSTBOOT, [test "$have_firstboot" = "yes"])

# ------------------------------------------------------------------------------
have_randomseed=no
AC_ARG_ENABLE(randomseed, AS_HELP_STRING([--disable-randomseed], [disable randomseed tools]))
if test "x$enable_randomseed" != "xno"; then
        have_randomseed=yes
fi
AM_CONDITIONAL(ENABLE_RANDOMSEED, [test "$have_randomseed" = "yes"])

# ------------------------------------------------------------------------------
have_backlight=no
AC_ARG_ENABLE(backlight, AS_HELP_STRING([--disable-backlight], [disable backlight tools]))
if test "x$enable_backlight" != "xno"; then
        have_backlight=yes
fi
AM_CONDITIONAL(ENABLE_BACKLIGHT, [test "$have_backlight" = "yes"])

# ------------------------------------------------------------------------------
have_rfkill=no
AC_ARG_ENABLE(rfkill, AS_HELP_STRING([--disable-rfkill], [disable rfkill tools]))
if test "x$enable_rfkill" != "xno"; then
        have_rfkill=yes
fi
AM_CONDITIONAL(ENABLE_RFKILL, [test "$have_rfkill" = "yes"])

# ------------------------------------------------------------------------------
have_logind=no
AC_ARG_ENABLE(logind, AS_HELP_STRING([--disable-logind], [disable login daemon]))
if test "x$enable_logind" != "xno"; then
        have_logind=yes
fi
AM_CONDITIONAL(ENABLE_LOGIND, [test "$have_logind" = "yes"])
AS_IF([test "$have_logind" = "yes"], [ AC_DEFINE(HAVE_LOGIND, [1], [Logind support available]) ])

# ------------------------------------------------------------------------------
have_machined=no
AC_ARG_ENABLE(machined, AS_HELP_STRING([--disable-machined], [disable machine daemon]))
if test "x$enable_machined" != "xno"; then
        have_machined=yes
fi
AM_CONDITIONAL(ENABLE_MACHINED, [test "$have_machined" = "yes"])
AS_IF([test "$have_machined" = "yes"], [ AC_DEFINE(HAVE_MACHINED, [1], [Machined support available]) ])

# ------------------------------------------------------------------------------
have_importd=no
AC_ARG_ENABLE(importd, AS_HELP_STRING([--disable-importd], [disable import daemon]))
if test "x$enable_importd" != "xno"; then
        have_importd=yes
fi
AM_CONDITIONAL(ENABLE_IMPORTD, [test "$have_importd" = "yes"])
AS_IF([test "$have_importd" = "yes"], [ AC_DEFINE(HAVE_IMPORTD, [1], [Importd support available]) ])

# ------------------------------------------------------------------------------
have_hostnamed=no
AC_ARG_ENABLE(hostnamed, AS_HELP_STRING([--disable-hostnamed], [disable hostname daemon]))
if test "x$enable_hostnamed" != "xno"; then
        have_hostnamed=yes
fi
AM_CONDITIONAL(ENABLE_HOSTNAMED, [test "$have_hostnamed" = "yes"])

# ------------------------------------------------------------------------------
have_timedated=no
AC_ARG_ENABLE(timedated, AS_HELP_STRING([--disable-timedated], [disable timedate daemon]))
if test "x$enable_timedated" != "xno"; then
        have_timedated=yes
fi
AM_CONDITIONAL(ENABLE_TIMEDATED, [test "$have_timedated" = "yes"])

# ------------------------------------------------------------------------------
have_timesyncd=no
AC_ARG_ENABLE(timesyncd, AS_HELP_STRING([--disable-timesyncd], [disable timesync daemon]))
if test "x$enable_timesyncd" != "xno"; then
        have_timesyncd=yes
        M4_DEFINES="$M4_DEFINES -DENABLE_TIMESYNCD"
fi
AM_CONDITIONAL(ENABLE_TIMESYNCD, [test "$have_timesyncd" = "yes"])

AC_ARG_WITH(ntp-servers,
        AS_HELP_STRING([--with-ntp-servers=NTPSERVERS],
                [Space-separated list of default NTP servers]),
        [NTP_SERVERS="$withval"],
        [NTP_SERVERS="time1.google.com time2.google.com time3.google.com time4.google.com"
        AC_MSG_WARN([*** Using Google NTP servers.
                        Do not ship OSes or devices with these default settings.
                        See DISTRO_PORTING for details!])])

AC_DEFINE_UNQUOTED(NTP_SERVERS, ["$NTP_SERVERS"], [Default NTP Servers])
AC_SUBST(NTP_SERVERS)

AC_ARG_WITH(time-epoch,
        AS_HELP_STRING([--with-time-epoch=SECONDS],
                [Time epoch for time clients]),
        [TIME_EPOCH="$withval"],
        [TIME_EPOCH="`stat -c %Y ${srcdir}/NEWS 2>/dev/null || echo 0`"])

AC_DEFINE_UNQUOTED(TIME_EPOCH, [$TIME_EPOCH], [Time Epoch])

# ------------------------------------------------------------------------------
AC_ARG_WITH(system-uid-max,
        AS_HELP_STRING([--with-system-uid-max=UID]
                [Maximum UID for system users]),
        [SYSTEM_UID_MAX="$withval"],
        [SYSTEM_UID_MAX="`awk 'BEGIN { uid=999 } /^\s*SYS_UID_MAX\s+/ { uid=$2 } END { print uid }' /etc/login.defs 2>/dev/null || echo 999`"])

AC_DEFINE_UNQUOTED(SYSTEM_UID_MAX, [$SYSTEM_UID_MAX], [Maximum System UID])
AC_SUBST(SYSTEM_UID_MAX)

# ------------------------------------------------------------------------------
AC_ARG_WITH(system-gid-max,
        AS_HELP_STRING([--with-system-gid-max=GID]
                [Maximum GID for system groups]),
        [SYSTEM_GID_MAX="$withval"],
        [SYSTEM_GID_MAX="`awk 'BEGIN { gid=999 } /^\s*SYS_GID_MAX\s+/ { gid=$2 } END { print gid }' /etc/login.defs 2>/dev/null || echo 999`"])

AC_DEFINE_UNQUOTED(SYSTEM_GID_MAX, [$SYSTEM_GID_MAX], [Maximum System GID])
AC_SUBST(SYSTEM_GID_MAX)

# ------------------------------------------------------------------------------
have_localed=no
AC_ARG_ENABLE(localed, AS_HELP_STRING([--disable-localed], [disable locale daemon]))
if test "x$enable_localed" != "xno"; then
        have_localed=yes
fi
AM_CONDITIONAL(ENABLE_LOCALED, [test "$have_localed" = "yes"])

# ------------------------------------------------------------------------------
have_coredump=no
AC_ARG_ENABLE(coredump, AS_HELP_STRING([--disable-coredump], [disable coredump hook]))
if test "x$enable_coredump" != "xno"; then
        have_coredump=yes
        M4_DEFINES="$M4_DEFINES -DENABLE_COREDUMP"
fi
AM_CONDITIONAL(ENABLE_COREDUMP, [test "$have_coredump" = "yes"])

# ------------------------------------------------------------------------------
have_polkit=no
AC_ARG_ENABLE(polkit, AS_HELP_STRING([--disable-polkit], [disable PolicyKit support]))
if test "x$enable_polkit" != "xno"; then
        AC_DEFINE(ENABLE_POLKIT, 1, [Define if PolicyKit support is to be enabled])
        have_polkit=yes
fi
AM_CONDITIONAL(ENABLE_POLKIT, [test "x$have_polkit" = "xyes"])

# ------------------------------------------------------------------------------
have_resolved=no
AC_ARG_ENABLE(resolved, AS_HELP_STRING([--disable-resolved], [disable resolve daemon]))
AS_IF([test "x$enable_resolved" != "xno"], [
        AC_CHECK_LIB([dl], [dlsym], [true], [AC_MSG_ERROR([*** Dynamic linking loader library not found])])

        have_resolved=yes
        M4_DEFINES="$M4_DEFINES -DENABLE_RESOLVED"
])
AM_CONDITIONAL(ENABLE_RESOLVED, [test "$have_resolved" = "yes"])

AC_ARG_WITH(dns-servers,
        AS_HELP_STRING([--with-dns-servers=DNSSERVERS],
                [Space-separated list of default DNS servers]),
        [DNS_SERVERS="$withval"],
        [DNS_SERVERS="8.8.8.8 8.8.4.4 2001:4860:4860::8888 2001:4860:4860::8844"])

AC_DEFINE_UNQUOTED(DNS_SERVERS, ["$DNS_SERVERS"], [Default DNS Servers])
AC_SUBST(DNS_SERVERS)

# ------------------------------------------------------------------------------
have_networkd=no
AC_ARG_ENABLE(networkd, AS_HELP_STRING([--disable-networkd], [disable networkd]))
AS_IF([test "x$enable_networkd" != "xno"], [
        AC_DEFINE(ENABLE_NETWORKD, 1, [Define if networkd support is to be enabled])
        have_networkd=yes
        M4_DEFINES="$M4_DEFINES -DENABLE_NETWORKD"
])
AM_CONDITIONAL(ENABLE_NETWORKD, [test "x$have_networkd" = "xyes"])

# ------------------------------------------------------------------------------
have_efi=no
AC_ARG_ENABLE(efi, AS_HELP_STRING([--disable-efi], [disable EFI support]))
if test "x$enable_efi" != "xno"; then
        AC_DEFINE(ENABLE_EFI, 1, [Define if EFI support is to be enabled])
        have_efi=yes
fi
AM_CONDITIONAL(ENABLE_EFI, [test "x$have_efi" = "xyes"])

# ------------------------------------------------------------------------------
AC_CHECK_TOOL(EFI_CC, gcc)

EFI_ARCH=`echo $host | sed "s/\(-\).*$//"`

AM_COND_IF(ARCH_IA32, [
        EFI_ARCH=ia32
        EFI_MACHINE_TYPE_NAME=ia32])

AM_COND_IF(ARCH_X86_64, [
        EFI_MACHINE_TYPE_NAME=x64])

AM_COND_IF(ARCH_AARCH64, [
        EFI_MACHINE_TYPE_NAME=aa64])

AC_SUBST([EFI_ARCH])
AC_SUBST([EFI_MACHINE_TYPE_NAME])

have_gnuefi=no
AC_ARG_ENABLE(gnuefi, AS_HELP_STRING([--enable-gnuefi], [Enable optional gnuefi support]))
AS_IF([test "x$enable_gnuefi" != "xno"], [
        AC_CHECK_HEADERS(efi/${EFI_ARCH}/efibind.h,
                [AC_DEFINE(HAVE_GNUEFI, 1, [Define if gnuefi is available])
                 have_gnuefi=yes],
                [AS_IF([test "x$enable_gnuefi" = xyes],
                       [AC_MSG_ERROR([*** gnuefi support requested but headers not found])])
        ])

        efiroot=$(echo $(cd /usr/lib/$(${EFI_CC} -print-multi-os-directory); pwd))

        EFI_LIB_DIR="$efiroot"
        AC_ARG_WITH(efi-libdir,
                AS_HELP_STRING([--with-efi-libdir=PATH], [Path to EFI lib directory]),
                [EFI_LIB_DIR="$withval"], [EFI_LIB_DIR="$efiroot"]
        )
        AC_SUBST([EFI_LIB_DIR])

        have_efi_lds=no
        AC_ARG_WITH(efi-ldsdir,
                AS_HELP_STRING([--with-efi-ldsdir=PATH], [Path to EFI lds directory]),
                [EFI_LDS_DIR="$withval" && AS_IF([test -f "${EFI_LDS_DIR}/elf_${EFI_ARCH}_efi.lds"],
                        [have_efi_lds=yes])],
                [AS_FOR([DIR], [EFI_LDS_DIR], ["${EFI_LIB_DIR}/gnuefi" "${EFI_LIB_DIR}"],
                        [AS_IF([test -f "${EFI_LDS_DIR}/elf_${EFI_ARCH}_efi.lds"],
                                       [have_efi_lds=yes && break])])])
        AS_IF([test "x$have_efi_lds" = xyes],
              [AC_SUBST([EFI_LDS_DIR])],
              [AS_IF([test "x$enable_gnuefi" = xyes],
                     [AC_MSG_ERROR([*** gnuefi support requested but files not found])],
                     [have_gnuefi=no])])

        AC_ARG_WITH(efi-includedir,
                AS_HELP_STRING([--with-efi-includedir=PATH], [Path to EFI include directory]),
                [EFI_INC_DIR="$withval"], [EFI_INC_DIR="/usr/include"]
        )
        AC_SUBST([EFI_INC_DIR])
])
AM_CONDITIONAL(HAVE_GNUEFI, [test "x$have_gnuefi" = xyes])

# ------------------------------------------------------------------------------
have_tpm=no
AC_ARG_ENABLE([tpm], AS_HELP_STRING([--enable-tpm],[Enable optional TPM support]),
                [case "${enableval}" in
                        yes) have_tpm=yes ;;
                        no) have_tpm=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --enable-tpm) ;;
                esac],
                [have_tpm=no])

if test "x${have_tpm}" != xno ; then
        AC_DEFINE(SD_BOOT_LOG_TPM, 1, [Define if TPM should be used to log events and extend the registers])
fi

AC_ARG_WITH(tpm-pcrindex,
        AS_HELP_STRING([--with-tpm-pcrindex=<NUM>],
                [TPM PCR register number to use]),
        [SD_TPM_PCR="$withval"],
        [SD_TPM_PCR="8"])

AC_DEFINE_UNQUOTED(SD_TPM_PCR, [$SD_TPM_PCR], [TPM PCR register number to use])

# ------------------------------------------------------------------------------
have_kdbus=no
AC_ARG_ENABLE(kdbus, AS_HELP_STRING([--disable-kdbus], [do not connect to kdbus by default]))
if test "x$enable_kdbus" != "xno"; then
        AC_DEFINE(ENABLE_KDBUS, 1, [Define if kdbus is to be connected to by default])
        have_kdbus=yes
        M4_DEFINES="$M4_DEFINES -DENABLE_KDBUS"
fi
AM_CONDITIONAL(ENABLE_KDBUS, [test "$have_kdbus" = "yes"])

# ------------------------------------------------------------------------------
AC_ARG_WITH(rc-local-script-path-start,
        AS_HELP_STRING([--with-rc-local-script-path-start=PATH],
                [Path to /etc/rc.local]),
        [RC_LOCAL_SCRIPT_PATH_START="$withval"],
        [RC_LOCAL_SCRIPT_PATH_START="/etc/rc.local"])

AC_ARG_WITH(rc-local-script-path-stop,
        AS_HELP_STRING([--with-rc-local-script-path-stop=PATH],
                [Path to /usr/sbin/halt.local]),
        [RC_LOCAL_SCRIPT_PATH_STOP="$withval"],
        [RC_LOCAL_SCRIPT_PATH_STOP="/usr/sbin/halt.local"])

AC_DEFINE_UNQUOTED(RC_LOCAL_SCRIPT_PATH_START, ["$RC_LOCAL_SCRIPT_PATH_START"], [Path of /etc/rc.local script])
AC_DEFINE_UNQUOTED(RC_LOCAL_SCRIPT_PATH_STOP, ["$RC_LOCAL_SCRIPT_PATH_STOP"], [Path of /usr/sbin/halt.local script])

AC_SUBST(RC_LOCAL_SCRIPT_PATH_START)
AC_SUBST(RC_LOCAL_SCRIPT_PATH_STOP)

# ------------------------------------------------------------------------------
AC_ARG_WITH(kbd-loadkeys,
        AS_HELP_STRING([--with-kbd-loadkeys=PATH],
                [Path to loadkeys]),
        [KBD_LOADKEYS="$withval"],
        [KBD_LOADKEYS="/usr/bin/loadkeys"])

AC_ARG_WITH(kbd-setfont,
        AS_HELP_STRING([--with-kbd-setfont=PATH],
                [Path to setfont]),
        [KBD_SETFONT="$withval"],
        [KBD_SETFONT="/usr/bin/setfont"])

AC_DEFINE_UNQUOTED(KBD_LOADKEYS, ["$KBD_LOADKEYS"], [Path of loadkeys])
AC_DEFINE_UNQUOTED(KBD_SETFONT, ["$KBD_SETFONT"], [Path of setfont])

AC_SUBST(KBD_LOADKEYS)
AC_SUBST(KBD_SETFONT)

AC_ARG_WITH(telinit,
        AS_HELP_STRING([--with-telinit=PATH],
                [Path to telinit]),
        [TELINIT="$withval"],
        [TELINIT="/lib/sysvinit/telinit"])

AC_DEFINE_UNQUOTED(TELINIT, ["$TELINIT"], [Path to telinit])

AC_SUBST(TELINIT)

AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h valgrind/valgrind.h])

# ------------------------------------------------------------------------------
have_myhostname=no
AC_ARG_ENABLE(myhostname, AS_HELP_STRING([--disable-myhostname], [disable nss-myhostname support]))
if test "x$enable_myhostname" != "xno"; then
        AC_HEADER_STDC
        AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h sys/time.h unistd.h nss.h sys/ioctl.h sys/auxv.h])

        AC_C_CONST
        AC_TYPE_SIZE_T
        AC_HEADER_TIME

        AC_FUNC_SELECT_ARGTYPES
        AC_CHECK_FUNCS([gethostbyaddr gethostbyname gettimeofday inet_ntoa memset select socket strcspn strdup strerror strncasecmp strcasecmp strspn])

        have_myhostname=yes
fi
AM_CONDITIONAL(HAVE_MYHOSTNAME, [test "$have_myhostname" = "yes"])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE(hwdb, [AC_HELP_STRING([--disable-hwdb], [disable hardware database support])],
       enable_hwdb=$enableval, enable_hwdb=yes)
AM_CONDITIONAL(ENABLE_HWDB, [test x$enable_hwdb = xyes])

# ------------------------------------------------------------------------------
have_manpages=no
AC_ARG_ENABLE(manpages, AS_HELP_STRING([--disable-manpages], [disable manpages]))
AC_PATH_PROG([XSLTPROC], [xsltproc])
AS_IF([test "x$enable_manpages" != xno], [
       have_manpages=yes
       AS_IF([test -z "$XSLTPROC"],
             AC_MSG_ERROR([*** xsltproc is required for man pages]))
])
AM_CONDITIONAL(ENABLE_MANPAGES, [test "x$have_manpages" = "xyes"])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE(hibernate,
       [AC_HELP_STRING([--disable-hibernate], [disable hibernation support])],
       enable_hibernate=$enableval, enable_hibernate=yes)
AM_CONDITIONAL(ENABLE_HIBERNATE, [test x$enable_hibernate = xyes])

# ------------------------------------------------------------------------------
AC_ARG_ENABLE(ldconfig,
       [AC_HELP_STRING([--disable-ldconfig], [disable ldconfig])],
       enable_ldconfig=$enableval, enable_ldconfig=yes)
AM_CONDITIONAL(ENABLE_LDCONFIG, [test x$enable_ldconfig = xyes])

# ------------------------------------------------------------------------------
# Location of the init scripts as mandated by LSB
SYSTEM_SYSVINIT_PATH=/etc/init.d
SYSTEM_SYSVRCND_PATH=/etc/rc.d

AC_ARG_WITH([sysvinit-path],
        [AS_HELP_STRING([--with-sysvinit-path=PATH],
                [Specify the path to where the SysV init scripts are located])],
        [SYSTEM_SYSVINIT_PATH="$withval"],
        [])

AC_ARG_WITH([sysvrcnd-path],
        [AS_HELP_STRING([--with-sysvrcnd-path=PATH],
                [Specify the path to the base directory for the SysV rcN.d directories])],
        [SYSTEM_SYSVRCND_PATH="$withval"],
        [])

if test "x${SYSTEM_SYSVINIT_PATH}" != "x" -a "x${SYSTEM_SYSVRCND_PATH}" != "x"; then
        AC_DEFINE(HAVE_SYSV_COMPAT, [], [SysV init scripts and rcN.d links are supported.])
        SYSTEM_SYSV_COMPAT="yes"
        M4_DEFINES="$M4_DEFINES -DHAVE_SYSV_COMPAT"
elif test "x${SYSTEM_SYSVINIT_PATH}" != "x" -o "x${SYSTEM_SYSVRCND_PATH}" != "x"; then
        AC_MSG_ERROR([*** You need both --with-sysvinit-path=PATH and --with-sysvrcnd-path=PATH to enable SysV compatibility support, or both empty to disable it.])
else
        SYSTEM_SYSV_COMPAT="no"
fi

AC_SUBST(SYSTEM_SYSVINIT_PATH)
AC_SUBST(SYSTEM_SYSVRCND_PATH)
AC_SUBST(M4_DEFINES)

AM_CONDITIONAL(HAVE_SYSV_COMPAT, test "$SYSTEM_SYSV_COMPAT" = "yes")

AC_ARG_WITH([tty-gid],
        [AS_HELP_STRING([--with-tty-gid=GID],
                [Specify the numeric GID of the 'tty' group])],
        [TTY_GID="$withval"],
        [TTY_GID="5"])

AC_DEFINE_UNQUOTED(TTY_GID, [$TTY_GID], [GID of the 'tty' group])
AC_SUBST(TTY_GID)

AC_ARG_WITH([dbuspolicydir],
        AS_HELP_STRING([--with-dbuspolicydir=DIR], [D-Bus policy directory]),
        [],
        [with_dbuspolicydir=${sysconfdir}/dbus-1/system.d])
AX_NORMALIZE_PATH([with_dbuspolicydir])

AC_ARG_WITH([dbussessionservicedir],
        AS_HELP_STRING([--with-dbussessionservicedir=DIR], [D-Bus session service directory]),
        [],
        [with_dbussessionservicedir=${datadir}/dbus-1/services])
AX_NORMALIZE_PATH([with_dbussessionservicedir])

AC_ARG_WITH([dbussystemservicedir],
        AS_HELP_STRING([--with-dbussystemservicedir=DIR], [D-Bus system service directory]),
        [],
        [with_dbussystemservicedir=${datadir}/dbus-1/system-services])
AX_NORMALIZE_PATH([with_dbussystemservicedir])

AC_ARG_WITH([bashcompletiondir],
        AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
        [],
        [AS_IF([$($PKG_CONFIG --exists bash-completion)], [
                with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
        ] , [
                with_bashcompletiondir=${datadir}/bash-completion/completions
        ])])
AM_CONDITIONAL(ENABLE_BASH_COMPLETION, [test "$with_bashcompletiondir" != "no"])
AX_NORMALIZE_PATH([with_bashcompletiondir])

AC_ARG_WITH([zshcompletiondir],
        AS_HELP_STRING([--with-zshcompletiondir=DIR], [Zsh completions directory]),
        [], [with_zshcompletiondir=${datadir}/zsh/site-functions])
AM_CONDITIONAL(ENABLE_ZSH_COMPLETION, [test "$with_zshcompletiondir" != "no"])
AX_NORMALIZE_PATH([with_zshcompletiondir])

AC_ARG_WITH([rootprefix],
        AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]),
        [], [with_rootprefix=${ac_default_prefix}])
# --with-rootprefix= (empty) should default to "/" but AX_NORMALIZE_PATH
# defaults those to ".", solve that here for now until we can find a suitable
# fix for AX_NORMALIZE_PATH upstream at autoconf-archive.
# See: https://github.com/systemd/systemd/issues/54
if test "x${with_rootprefix}" = "x"; then
        with_rootprefix="/"
fi
AX_NORMALIZE_PATH([with_rootprefix])

AC_ARG_WITH([rootlibdir],
        AS_HELP_STRING([--with-rootlibdir=DIR], [Root directory for libraries necessary for boot]),
        [],
        [with_rootlibdir=${libdir}])
AX_NORMALIZE_PATH([with_rootlibdir])

AC_ARG_WITH([pamlibdir],
        AS_HELP_STRING([--with-pamlibdir=DIR], [Directory for PAM modules]),
        [],
        [with_pamlibdir=${with_rootlibdir}/security])
AX_NORMALIZE_PATH([with_pamlibdir])

AC_ARG_WITH([pamconfdir],
        AS_HELP_STRING([--with-pamconfdir=DIR], [Directory for PAM configuration]),
        [],
        [with_pamconfdir=${sysconfdir}/pam.d])
AX_NORMALIZE_PATH([with_pamconfdir])

AC_ARG_ENABLE([split-usr],
        AS_HELP_STRING([--enable-split-usr], [Assume that /bin, /sbin aren\'t symlinks into /usr]),
        [],
        [AS_IF([test "x${ac_default_prefix}" != "x${with_rootprefix}"], [
                enable_split_usr=yes
        ], [
                enable_split_usr=no
        ])])

AS_IF([test "x${enable_split_usr}" = "xyes"], [
        AC_DEFINE(HAVE_SPLIT_USR, 1, [Define if /bin, /sbin aren't symlinks into /usr])
])
AM_CONDITIONAL(ENABLE_SPLIT_USR, [test "x${enable_split_usr}" = "xyes"])

# work around intltool-update issues during 'make distcheck'
AS_IF([test "x$0" != "x./configure"], [
        AC_SUBST([INTLTOOL_UPDATE], [/bin/true])
])

# QEMU and OVMF UEFI firmware
AS_IF([test x"$cross_compiling" = "xyes"], [], [
        AC_PATH_PROG([QEMU], [qemu-system-x86_64])
        AC_CHECK_FILE([/usr/share/qemu/bios-ovmf.bin], [QEMU_BIOS=/usr/share/qemu/bios-ovmf.bin],
                [AC_CHECK_FILE([/usr/share/qemu-ovmf/bios.bin], [QEMU_BIOS=/usr/share/qemu-ovmf/bios.bin])])
        AC_SUBST([QEMU_BIOS])
])

AC_ARG_ENABLE(tests,
        [AC_HELP_STRING([--disable-tests], [disable tests])],
        enable_tests=$enableval, enable_tests=yes)
AM_CONDITIONAL(ENABLE_TESTS, [test x$enable_tests = xyes])

AC_ARG_ENABLE(debug,
        [AC_HELP_STRING([--enable-debug@<:@=LIST@:>@], [enable extra debugging (hashmap,mmap-cache)])],
        [if test "x$enableval" = "xyes"; then
                enableval="hashmap,mmap-cache"
        fi
        saved_ifs="$IFS"
        IFS="$IFS$PATH_SEPARATOR,"
        for name in $enableval; do
                case $name in
                hashmap)
                        enable_debug_hashmap=yes
                        ;;
                mmap-cache)
                        enable_debug_mmap_cache=yes
                        ;;
                esac
        done
        IFS="$saved_ifs"],[])

enable_debug=""
AS_IF([test x$enable_debug_hashmap = xyes], [
        AC_DEFINE(ENABLE_DEBUG_HASHMAP, 1, [Define if hashmap debugging is to be enabled])
        enable_debug="hashmap $enable_debug"
])
AS_IF([test x$enable_debug_mmap_cache = xyes], [
        AC_DEFINE(ENABLE_DEBUG_MMAP_CACHE, 1, [Define if mmap cache debugging is to be enabled])
        enable_debug="mmap-cache $enable_debug"
])
test -z "$enable_debug" && enable_debug="none"

AC_SUBST([dbuspolicydir], [$with_dbuspolicydir])
AC_SUBST([dbussessionservicedir], [$with_dbussessionservicedir])
AC_SUBST([dbussystemservicedir], [$with_dbussystemservicedir])
AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
AC_SUBST([zshcompletiondir], [$with_zshcompletiondir])
AC_SUBST([pamlibdir], [$with_pamlibdir])
AC_SUBST([pamconfdir], [$with_pamconfdir])
AC_SUBST([rootprefix], [$with_rootprefix])
AC_SUBST([rootlibdir], [$with_rootlibdir])

AC_CONFIG_FILES([
        Makefile
        po/Makefile.in
])

AC_OUTPUT
AC_MSG_RESULT([
        $PACKAGE_NAME $VERSION

        libcryptsetup:           ${have_libcryptsetup}
        PAM:                     ${have_pam}
        AUDIT:                   ${have_audit}
        IMA:                     ${have_ima}
        AppArmor:                ${have_apparmor}
        SELinux:                 ${have_selinux}
        SECCOMP:                 ${have_seccomp}
        SMACK:                   ${have_smack}
        ZLIB:                    ${have_zlib}
        XZ:                      ${have_xz}
        LZ4:                     ${have_lz4}
        BZIP2:                   ${have_bzip2}
        ACL:                     ${have_acl}
        GCRYPT:                  ${have_gcrypt}
        QRENCODE:                ${have_qrencode}
        MICROHTTPD:              ${have_microhttpd}
        GNUTLS:                  ${have_gnutls}
        libcurl:                 ${have_libcurl}
        libidn:                  ${have_libidn}
        libiptc:                 ${have_libiptc}
        ELFUTILS:                ${have_elfutils}
        binfmt:                  ${have_binfmt}
        vconsole:                ${have_vconsole}
        bootchart:               ${have_bootchart}
        quotacheck:              ${have_quotacheck}
        tmpfiles:                ${have_tmpfiles}
        sysusers:                ${have_sysusers}
        firstboot:               ${have_firstboot}
        randomseed:              ${have_randomseed}
        backlight:               ${have_backlight}
        rfkill:                  ${have_rfkill}
        logind:                  ${have_logind}
        machined:                ${have_machined}
        importd:                 ${have_importd}
        hostnamed:               ${have_hostnamed}
        timedated:               ${have_timedated}
        timesyncd:               ${have_timesyncd}
        default NTP servers:     ${NTP_SERVERS}
        time epoch:              ${TIME_EPOCH}
        localed:                 ${have_localed}
        networkd:                ${have_networkd}
        resolved:                ${have_resolved}
        default DNS servers:     ${DNS_SERVERS}
        coredump:                ${have_coredump}
        polkit:                  ${have_polkit}
        efi:                     ${have_efi}
        gnuefi:                  ${have_gnuefi}
        efi arch:                ${EFI_ARCH}
        EFI machine type:        ${EFI_MACHINE_TYPE_NAME}
        EFI CC                   ${EFI_CC}
        EFI libdir:              ${EFI_LIB_DIR}
        EFI ldsdir:              ${EFI_LDS_DIR}
        EFI includedir:          ${EFI_INC_DIR}
        kmod:                    ${have_kmod}
        xkbcommon:               ${have_xkbcommon}
        blkid:                   ${have_blkid}
        libmount:                ${have_libmount}
        dbus:                    ${have_dbus}
        nss-myhostname:          ${have_myhostname}
        hwdb:                    ${enable_hwdb}
        tpm:                     ${have_tpm}
        kdbus:                   ${have_kdbus}
        Python:                  ${have_python}
        man pages:               ${have_manpages}
        test coverage:           ${have_coverage}
        Split /usr:              ${enable_split_usr}
        SysV compatibility:      ${SYSTEM_SYSV_COMPAT}
        compatibility libraries: ${have_compat_libs}
        utmp/wtmp support:       ${have_utmp}
        ldconfig support:        ${enable_ldconfig}
        hibernate support:       ${enable_hibernate}
        extra debugging:         ${enable_debug}

        prefix:                  ${prefix}
        rootprefix:              ${with_rootprefix}
        sysconf dir:             ${sysconfdir}
        datarootdir:             ${datarootdir}
        includedir:              ${includedir}
        lib dir:                 ${libdir}
        rootlib dir:             ${with_rootlibdir}
        SysV init scripts:       ${SYSTEM_SYSVINIT_PATH}
        SysV rc?.d directories:  ${SYSTEM_SYSVRCND_PATH}
        Build Python:            ${PYTHON}
        PAM modules dir:         ${with_pamlibdir}
        PAM configuration dir:   ${with_pamconfdir}
        D-Bus policy dir:        ${with_dbuspolicydir}
        D-Bus session dir:       ${with_dbussessionservicedir}
        D-Bus system dir:        ${with_dbussystemservicedir}
        Bash completions dir:    ${with_bashcompletiondir}
        Zsh completions dir:     ${with_zshcompletiondir}
        Extra start script:      ${RC_LOCAL_SCRIPT_PATH_START}
        Extra stop script:       ${RC_LOCAL_SCRIPT_PATH_STOP}
        Debug shell:             ${SUSHELL} @ ${DEBUGTTY}
        TTY GID:                 ${TTY_GID}
        Maximum System UID:      ${SYSTEM_UID_MAX}
        Maximum System GID:      ${SYSTEM_GID_MAX}
        Certificate root:        ${CERTIFICATEROOT}

        CFLAGS:                  ${OUR_CFLAGS} ${CFLAGS}
        CPPFLAGS:                ${OUR_CPPFLAGS} ${CPPFLAGS}
        LDFLAGS:                 ${OUR_LDFLAGS} ${LDFLAGS}
])