aboutsummaryrefslogtreecommitdiff
path: root/configure.ac
blob: 017a96ffe29064dde7c75dfb4f2578ad283efbb9 (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
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
AC_INIT
AC_CONFIG_SRCDIR([version.h])
AC_PREREQ([2.71])
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_HEADERS([lib/config.h])
AH_BOTTOM([#include <dirpaths.h>])
AC_USE_SYSTEM_EXTENSIONS
MCONFIG=./MCONFIG
AC_SUBST_FILE(MCONFIG)
BINARY_TYPE=bin
dnl
dnl This is to figure out the version number and the date....
dnl
E2FSPROGS_VERSION=`grep E2FSPROGS_VERSION ${srcdir}/version.h  \
	| awk '{print $3}' | tr \" " " | awk '{print $1}'`
E2FSPROGS_DATE=`grep E2FSPROGS_DATE ${srcdir}/version.h | awk '{print $3}' \
	| tr \" " " | awk '{print $1}'`
E2FSPROGS_DAY=$(echo $E2FSPROGS_DATE | awk -F- '{print $1}' | sed -e '/^[[1-9]]$/s/^/0/')
MONTH=`echo $E2FSPROGS_DATE | awk -F- '{print $2}'`
YEAR=`echo $E2FSPROGS_DATE | awk -F- '{print $3}'`

if expr $YEAR ">" 1900 > /dev/null ; then
	E2FSPROGS_YEAR=$YEAR
elif expr $YEAR ">" 90 >/dev/null ; then
	E2FSPROGS_YEAR=19$YEAR
else
	E2FSPROGS_YEAR=20$YEAR
fi

case $MONTH in
Jan)	MONTH_NUM=01; E2FSPROGS_MONTH="January" ;;
Feb)	MONTH_NUM=02; E2FSPROGS_MONTH="February" ;;
Mar)	MONTH_NUM=03; E2FSPROGS_MONTH="March" ;;
Apr)	MONTH_NUM=04; E2FSPROGS_MONTH="April" ;;
May)	MONTH_NUM=05; E2FSPROGS_MONTH="May" ;;
Jun)	MONTH_NUM=06; E2FSPROGS_MONTH="June" ;;
Jul)	MONTH_NUM=07; E2FSPROGS_MONTH="July" ;;
Aug)	MONTH_NUM=08; E2FSPROGS_MONTH="August" ;;
Sep)	MONTH_NUM=09; E2FSPROGS_MONTH="September" ;;
Oct)	MONTH_NUM=10; E2FSPROGS_MONTH="October" ;;
Nov)	MONTH_NUM=11; E2FSPROGS_MONTH="November" ;;
Dec)	MONTH_NUM=12; E2FSPROGS_MONTH="December" ;;
*)	AC_MSG_WARN([Unknown month $MONTH??]) ;;
esac

base_ver=`echo $E2FSPROGS_VERSION | \
	       sed -e 's/-WIP//' -e 's/pre-//' -e 's/-PLUS//'`

date_spec=${E2FSPROGS_YEAR}.${MONTH_NUM}.${E2FSPROGS_DAY}

case $E2FSPROGS_VERSION in
*-WIP|pre-*)
	E2FSPROGS_PKGVER="$base_ver~WIP.$date_spec"
	;;
*)
	E2FSPROGS_PKGVER="$base_ver"
	;;
esac

unset DATE MONTH YEAR base_ver pre_vers date_spec
AC_MSG_RESULT([Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION])
AC_MSG_RESULT([Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}])
AC_SUBST(E2FSPROGS_YEAR)
AC_SUBST(E2FSPROGS_MONTH)
AC_SUBST(E2FSPROGS_DAY)
AC_SUBST(E2FSPROGS_VERSION)
AC_SUBST(E2FSPROGS_PKGVER)
AC_SUBST(E2FSPROGS_DATE)
dnl
dnl Use diet libc
dnl 
WITH_DIET_LIBC=
AC_ARG_WITH([diet-libc],
AS_HELP_STRING([--with-diet-libc],[use diet libc]),
CC="diet cc -nostdinc"
WITH_DIET_LIBC=yes
if test -z "$LIBS"
then
	LIBS="-lcompat"
else
	LIBS="$LIBS -lcompat"
fi
AC_MSG_RESULT(CC=$CC))dnl
dnl
AC_CANONICAL_HOST
dnl
dnl Check to see if libdl exists for the sake of dlopen
dnl
DLOPEN_LIB=''
AC_CHECK_LIB(dl, dlopen,DLOPEN_LIB=-ldl)
AC_SUBST(DLOPEN_LIB)
dnl
AC_ARG_WITH([cc],
AS_HELP_STRING([--with-cc],[no longer supported, use CC= instead]),
AC_MSG_ERROR([--with-cc no longer supported; use CC= instead]))
dnl
AC_ARG_WITH([ccopts],
AS_HELP_STRING([--with-ccopts],[no longer supported, use CFLAGS= instead]),
AC_MSG_ERROR([--with-ccopts no longer supported; use CFLAGS= instead]))
dnl
AC_ARG_WITH([ldopts],
AS_HELP_STRING([--with-ldopts],[no longer supported, use LDFLAGS= instead]),
AC_MSG_ERROR([--with-ldopts no longer supported; use LDFLAGS= instead]))
dnl
AC_PROG_CC
if test "$GCC" = yes; then
   RDYNAMIC="-rdynamic"
   AC_SUBST(RDYNAMIC)
fi
AC_PROG_CPP
dnl
dnl Alpha computers use fast and imprecise floating point code that may
dnl miss exceptions by default. Force sane options if we're using GCC.
AC_MSG_CHECKING(for additional special compiler flags)
if test "$GCC" = yes
then
    case "$host_cpu" in
	alpha)		addcflags="-mieee" ;;
    esac
fi
if test "x$addcflags" != x
then
    AC_MSG_RESULT($addcflags)
    CFLAGS="$addcflags $CFLAGS"
else
    AC_MSG_RESULT([[(none)]])
fi
dnl
dnl Set default values for library extensions.  Will be dealt with after
dnl parsing configuration options, which may modify these
dnl
LIB_EXT=.a
STATIC_LIB_EXT=.a
PROFILED_LIB_EXT=.a
dnl
dnl Allow separate `root_prefix' to be specified
dnl
AC_ARG_WITH([root-prefix],
AS_HELP_STRING([--with-root-prefix=PREFIX],[override prefix variable for files to be placed in the root]),
root_prefix=$withval,
root_prefix=NONE)dnl
dnl
dnl handle --enable-maintainer-mode
dnl
AC_ARG_ENABLE([maintainer-mode],
AS_HELP_STRING([--enable-maintainer-mode],[enable makefile rules useful for maintainers]),
if test "$enableval" = "no"
then
	MAINTAINER_CMT=#
	AC_MSG_RESULT([Disabling maintainer mode])
else
	MAINTAINER_CMT=
	AC_MSG_RESULT([Enabling maintainer mode])
fi
,
MAINTAINER_CMT=#
AC_MSG_RESULT([Disabling maintainer mode by default])
)
AC_SUBST(MAINTAINER_CMT)
dnl
dnl handle --enable-symlink-install
dnl
AC_ARG_ENABLE([symlink-install],
AS_HELP_STRING([--enable-symlink-install],[use symlinks when installing instead of hard links]),
if test "$enableval" = "no"
then
	LINK_INSTALL_FLAGS=-f
	AC_MSG_RESULT([Disabling symlinks for install])
else
	LINK_INSTALL_FLAGS=-sf
	AC_MSG_RESULT([Enabling symlinks for install])
fi
,
LINK_INSTALL_FLAGS=-f
AC_MSG_RESULT([Disabling symlinks for install by default])
)
AC_SUBST(LINK_INSTALL_FLAGS)
dnl
dnl handle --enable-relative-symlinks
dnl
relative_symlink_defined=
AC_ARG_ENABLE([relative-symlinks],
AS_HELP_STRING([--enable-relative-symlinks],[use relative symlinks when installing]),
if test "$enableval" = "no"
then
	SYMLINK_RELATIVE=
	relative_symlink_defined=yes
	AC_MSG_RESULT([Disabling relative symlinks for install])
else
	SYMLINK_RELATIVE=--relative
	relative_symlink_defined=yes
	AC_MSG_RESULT([Enabling relative symlinks for install])
fi)
AC_ARG_ENABLE([symlink-relative-symlinks],,
if test "$enableval" = "no"
then
	SYMLINK_RELATIVE=yes
	AC_MSG_RESULT([Disabling relative symlinks for install])
else
	SYMLINK_RELATIVE=--relative
	AC_MSG_RESULT([Enabling relative symlinks for install])
fi
,
if test -z "$relative_symlink_defined"
then
	SYMLINK_RELATIVE=
AC_MSG_RESULT([Disabling relative symlinks for install by default])
fi
)
AC_SUBST(SYMLINK_RELATIVE)
dnl
dnl handle --enable-symlink-build
dnl
AC_ARG_ENABLE([symlink-build],
AS_HELP_STRING([--enable-symlink-build],[use symlinks while building instead of hard links]),
if test "$enableval" = "no"
then
	LINK_BUILD_FLAGS=
	AC_MSG_RESULT([Disabling symlinks for build])
else
	LINK_BUILD_FLAGS=-s
	AC_MSG_RESULT([Enabling symlinks for build])
fi
,
LINK_BUILD_FLAGS=
AC_MSG_RESULT([Disabling symlinks for build by default])
)
AC_SUBST(LINK_BUILD_FLAGS)
dnl
dnl handle --enable-verbose-makecmds
dnl
AC_ARG_ENABLE([verbose-makecmds],
AS_HELP_STRING([--enable-verbose-makecmds],[enable verbose make command output]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling verbose make commands])
	E=@echo
	ES=echo
	Q=@
else
	AC_MSG_RESULT([Enabling verbose make commands])
	E=@\\#
	ES=\\#
	Q= 
fi
,
AC_MSG_RESULT([Disabling verbose make commands])
E=@echo
ES=echo
Q=@
)
AC_SUBST(E)
AC_SUBST(ES)
AC_SUBST(Q)
dnl
dnl This needs to be before all of the --enable-*-shlibs options
dnl
E2_PKG_CONFIG_STATIC=--static
LDFLAG_DYNAMIC=
PRIVATE_LIBS_CMT=
dnl
dnl handle --enable-elf-shlibs
dnl
AC_ARG_ENABLE([elf-shlibs],
AS_HELP_STRING([--enable-elf-shlibs],[select ELF shared libraries]),
if test "$enableval" = "no"
then
	ELF_CMT=#
	MAKEFILE_ELF=/dev/null
	AC_MSG_RESULT([Disabling ELF shared libraries])
else
	E2_PKG_CONFIG_STATIC=
	ELF_CMT=
	MAKEFILE_ELF=$srcdir/lib/Makefile.elf-lib
	[case "$host_os" in
	solaris2.*)
		MAKEFILE_ELF=$srcdir/lib/Makefile.solaris-lib
	;;
	esac]
	BINARY_TYPE=elfbin
	LIB_EXT=.so
	PRIVATE_LIBS_CMT=#
	LDFLAG_DYNAMIC=['-Wl,-rpath-link,$(top_builddir)/lib']
	AC_MSG_RESULT([Enabling ELF shared libraries])
fi
,
MAKEFILE_ELF=/dev/null
ELF_CMT=#
AC_MSG_RESULT([Disabling ELF shared libraries by default])
)
AC_SUBST(ELF_CMT)
AC_SUBST_FILE(MAKEFILE_ELF)
dnl
dnl handle --enable-bsd-shlibs
dnl
AC_ARG_ENABLE([bsd-shlibs],
AS_HELP_STRING([--enable-bsd-shlibs],[select BSD shared libraries]),
if test "$enableval" = "no"
then
	BSDLIB_CMT=#
	MAKEFILE_BSDLIB=/dev/null
	AC_MSG_RESULT([Disabling BSD shared libraries])
else
	E2_PKG_CONFIG_STATIC=
	BSDLIB_CMT=
	MAKEFILE_BSDLIB=$srcdir/lib/Makefile.bsd-lib
	LIB_EXT=.so
	[case "$host_os" in
	darwin*)
		MAKEFILE_BSDLIB=$srcdir/lib/Makefile.darwin-lib
		LIB_EXT=.dylib
	;;
	esac]
	AC_MSG_RESULT([Enabling BSD shared libraries])
fi
,
MAKEFILE_BSDLIB=/dev/null
BSDLIB_CMT=#
AC_MSG_RESULT([Disabling BSD shared libraries by default])
)
AC_SUBST(BSDLIB_CMT)
AC_SUBST_FILE(MAKEFILE_BSDLIB)
dnl
dnl handle --enable-profile
dnl
AC_ARG_ENABLE([profile],
AS_HELP_STRING([--enable-profile],[build profiling libraries]),
if test "$enableval" = "no"
then
	PROFILE_CMT=#
	MAKEFILE_PROFILE=/dev/null
	AC_MSG_RESULT([Disabling profiling libraries])
else
	PROFILE_CMT=
	MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
	PROFILED_LIB_EXT=_p.a
	AC_MSG_RESULT([Building profiling libraries])
fi
,
PROFILE_CMT=#
MAKEFILE_PROFILE=/dev/null
AC_MSG_RESULT([Disabling profiling libraries by default])
)
AC_SUBST(PROFILE_CMT)
AC_SUBST_FILE(MAKEFILE_PROFILE)
dnl
dnl handle --enable-gcov
dnl
AC_ARG_ENABLE([gcov],
AS_HELP_STRING([--enable-gcov],[build for coverage testing using gcov]),
if test "$enableval" = "yes"
then
	CFLAGS="-g -fprofile-arcs -ftest-coverage"
	LDFLAGS="-fprofile-arcs -ftest-coverage"
	AC_MSG_RESULT([Enabling gcov support])
fi
)
dnl
dnl handle --enable-hardening
dnl
CFLAGS_SHLIB="${CFLAGS_SHLIB:-$CFLAGS}"
CFLAGS_STLIB="${CFLAGS_STLIB:-$CFLAGS}"
LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
LDFLAGS_STATIC=${LDFLAGS_STATIC:-$LDFLAGS}
AC_ARG_ENABLE([hardening],
AS_HELP_STRING([--enable-hardening],[build for coverage testing using gcov]),
if test "$enableval" = "yes"
then
	HARDEN_CFLAGS="-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
	HARDEN_LDFLAGS=["-Wl,-z,relro -Wl,-z,now"]
	CFLAGS="$CFLAGS $HARDEN_CFLAGS -fPIE"
	CFLAGS_SHLIB="$CFLAGS_SHLIB $HARDEN_CFLAGS"
	CFLAGS_STLIB="$CFLAGS_STLIB $HARDEN_CFLAGS -fPIE"
	LDFLAGS="$LDFLAGS $HARDEN_LDFLAGS -fPIE -pie"
	LDFLAGS_STATIC="$LDFLAGS_STATIC $HARDEN_LDFLAGS"
	LDFLAGS_SHLIB="$LDFLAGS_SHLIB $HARDEN_LDFLAGS"
	AC_MSG_RESULT([Enabling hardening support])
fi
)
dnl
dnl Substitute library extensions
dnl
AC_SUBST(LIB_EXT)
AC_SUBST(STATIC_LIB_EXT)
AC_SUBST(PROFILED_LIB_EXT)
AC_SUBST(LDFLAG_DYNAMIC)
AC_SUBST(PRIVATE_LIBS_CMT)
dnl
dnl handle --enable-jbd-debug
dnl
AC_ARG_ENABLE([jbd-debug],
AS_HELP_STRING([--enable-jbd-debug],[enable journal debugging]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling journal debugging])
else
	AC_DEFINE(CONFIG_JBD_DEBUG, 1,
		[Define to 1 if debugging ext3/4 journal code])
	AC_MSG_RESULT([Enabling journal debugging])
fi
,
AC_MSG_RESULT([Disabling journal debugging by default])
)
dnl
dnl handle --enable-blkid-debug
dnl
AC_ARG_ENABLE([blkid-debug],
AS_HELP_STRING([--enable-blkid-debug],[enable blkid debugging]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling blkid debugging])
else
	AC_DEFINE(CONFIG_BLKID_DEBUG, 1,
		[Define to 1 if debugging the blkid library])
	AC_MSG_RESULT([Enabling blkid debugging])
fi
,
AC_MSG_RESULT([Disabling blkid debugging by default])
)
dnl
dnl handle --enable-testio-debug
dnl
AC_ARG_ENABLE([testio-debug],
AS_HELP_STRING([--disable-testio-debug],[disable the use of the test I/O manager for debugging]),
AH_TEMPLATE([CONFIG_TESTIO_DEBUG],
	[Define to 1 if the testio I/O manager should be enabled])
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling testio debugging])
	TEST_IO_CMT="#"
else
	TEST_IO_CMT=
	AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
	AC_MSG_RESULT([Enabling testio debugging])
fi
,
AC_MSG_RESULT([Enabling testio debugging by default])
AC_DEFINE(CONFIG_TESTIO_DEBUG, 1)
TEST_IO_CMT=
)
AC_SUBST(TEST_IO_CMT)
dnl
dnl handle --enable-developer-features
dnl
AC_ARG_ENABLE([developer-features],
AS_HELP_STRING([--enable-developer-features],[enable features for use by ext4 developers]),
AH_TEMPLATE([CONFIG_DEVELOPER_FEATURES],
	[Define to 1 for features for use by ext4 developers])
if test "$enableval" = "yes"
then
	DEV_FEATURES_CMT=
	AC_DEFINE(CONFIG_DEVELOPER_FEATURES, 1)
	AC_MSG_RESULT([Enabling ext4 developer features])
else
	AC_MSG_RESULT([Disabling ext4 developer features])
	DEV_FEATURES_CMT="#"
fi
,
AC_MSG_RESULT([Disabling ext4 developer features by default])
DEV_FEATURES_CMT=
)
AC_SUBST(DEV_FEATURES_CMT)
dnl
dnl handle --disable-libuuid
dnl
PKG_PROG_PKG_CONFIG
LIBUUID=
DEPLIBUUID=
STATIC_LIBUUID=
DEPSTATIC_LIBUUID=
PROFILED_LIBUUID=
DEPPROFILED_LIBUUID=
UUID_CMT=
AC_ARG_ENABLE([libuuid],
AS_HELP_STRING([--enable-libuuid],[build and use private uuid library]),
if test "$enableval" = "no"
then
	if test -z "$PKG_CONFIG"; then
		AC_MSG_ERROR([pkg-config not installed; please install it.])
	fi

	AC_CHECK_LIB(uuid, uuid_generate,
		[LIBUUID=`$PKG_CONFIG --libs uuid`;
		 STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`],
		[AC_MSG_ERROR([external uuid library not found])])
	PROFILED_LIBUUID=$LIBUUID
	UUID_CMT=#
	AC_MSG_RESULT([Disabling private uuid library])
else
	LIBUUID='$(LIB)/libuuid'$LIB_EXT
	DEPLIBUUID=$LIBUUID
	STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
	DEPSTATIC_LIBUUID=$STATIC_LIBUUID
	PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
	DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
	AC_MSG_RESULT([Enabling private uuid library])
fi
,
if test -n "$PKG_CONFIG"; then
	AC_CHECK_LIB(uuid, uuid_generate,
		[LIBUUID=`$PKG_CONFIG --libs uuid`;
		 STATIC_LIBUUID=`$PKG_CONFIG --static --libs uuid`])
fi
if test -n "$LIBUUID"; then
	PROFILED_LIBUUID=$LIBUUID
	UUID_CMT=#
	AC_MSG_RESULT([Using system uuid by default])
else
	LIBUUID='$(LIB)/libuuid'$LIB_EXT
	DEPLIBUUID=$LIBUUID
	STATIC_LIBUUID='$(LIB)/libuuid'$STATIC_LIB_EXT
	DEPSTATIC_LIBUUID=$STATIC_LIBUUID
	PROFILED_LIBUUID='$(LIB)/libuuid'$PROFILED_LIB_EXT
	DEPPROFILED_LIBUUID=$PROFILED_LIBUUID
	AC_MSG_RESULT([Enabling private uuid library by default])
fi
)
AC_SUBST(LIBUUID)
AC_SUBST(DEPLIBUUID)
AC_SUBST(STATIC_LIBUUID)
AC_SUBST(DEPSTATIC_LIBUUID)
AC_SUBST(PROFILED_LIBUUID)
AC_SUBST(DEPPROFILED_LIBUUID)
AC_SUBST(UUID_CMT)
dnl
dnl handle --disable-libblkid
dnl
PKG_PROG_PKG_CONFIG
LIBBLKID=
DEPLIBBLKID=
STATIC_LIBBLKID=
DEPSTATIC_LIBBLKID=
PROFILED_LIBBLKID=
DEPPROFILED_LIBBLKID=
BLKID_CMT=
AH_TEMPLATE([CONFIG_BUILD_FINDFS], [Define to 1 to compile findfs])
AC_ARG_ENABLE([libblkid],
AS_HELP_STRING([--enable-libblkid],[build and use private blkid library]),
if test "$enableval" = "no"
then
	if test -z "$PKG_CONFIG"; then
		AC_MSG_ERROR([pkg-config not installed; please install it.])
	fi

	AC_CHECK_LIB(blkid, blkid_get_cache,
		[LIBBLKID=`$PKG_CONFIG --libs blkid`;
		 STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`],
		[AC_MSG_ERROR([external blkid library not found])], -luuid)
	BLKID_CMT=#
	PROFILED_LIBBLKID=$LIBBLKID
	AC_MSG_RESULT([Disabling private blkid library])
else
	LIBBLKID='$(LIB)/libblkid'$LIB_EXT
	DEPLIBBLKID=$LIBBLKID
	STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
	DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
	PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
	DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
	AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
	AC_MSG_RESULT([Enabling private blkid library])
fi
,
if test -n "$PKG_CONFIG"; then
	AC_CHECK_LIB(blkid, blkid_get_cache,
		[LIBBLKID=`$PKG_CONFIG --libs blkid`;
		 STATIC_LIBBLKID=`$PKG_CONFIG --static --libs blkid`])
fi
if test -n "$LIBBLKID"; then
	BLKID_CMT=#
	PROFILED_LIBBLKID=$LIBBLKID
	AC_MSG_RESULT([Using system blkid library by default])
else
	LIBBLKID='$(LIB)/libblkid'$LIB_EXT
	DEPLIBBLKID=$LIBBLKID
	STATIC_LIBBLKID='$(LIB)/libblkid'$STATIC_LIB_EXT
	DEPSTATIC_LIBBLKID=$STATIC_LIBBLKID
	PROFILED_LIBBLKID='$(LIB)/libblkid'$PROFILED_LIB_EXT
	DEPPROFILED_LIBBLKID=$PROFILED_LIBBLKID
	AC_DEFINE(CONFIG_BUILD_FINDFS, 1)
	AC_MSG_RESULT([Enabling private blkid library by default])
fi
)
AC_SUBST(LIBBLKID)
AC_SUBST(DEPLIBBLKID)
AC_SUBST(STATIC_LIBBLKID)
AC_SUBST(DEPSTATIC_LIBBLKID)
AC_SUBST(PROFILED_LIBBLKID)
AC_SUBST(DEPPROFILED_LIBBLKID)
AC_SUBST(BLKID_CMT)
dnl
dnl handle --enable-subset
dnl
ALL_CMT=
SUBSET_CMT=
AC_ARG_ENABLE([subset],
AS_HELP_STRING([--enable-subset],[enable subset-only build]),
if test "$enableval" = "no"
then
	SUBSET_CMT=#
	AC_MSG_RESULT([Disabling subset-only build])
else
	ALL_CMT=#
	AC_MSG_RESULT([Enabling subset-only-build])
fi
,)
AC_SUBST(ALL_CMT)
AC_SUBST(SUBSET_CMT)
dnl
dnl handle --disable-backtrace
dnl
AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
AC_ARG_ENABLE([backtrace],
AS_HELP_STRING([--disable-backtrace],[disable use backtrace]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling use of backtrace])
	AC_DEFINE(DISABLE_BACKTRACE, 1)
else
	AC_MSG_RESULT([Enabling use of backtrace])
fi
,
AC_MSG_RESULT([Enabling use of backtrace by default])
)
dnl
dnl handle --enable-debugfs
dnl
AC_ARG_ENABLE([debugfs],
AS_HELP_STRING([--disable-debugfs],[disable support of debugfs program]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling debugfs support])
	DEBUGFS_CMT="#"
else
	DEBUGFS_CMT=
	AC_MSG_RESULT([Enabling debugfs support])
fi
,
AC_MSG_RESULT([Enabling debugfs support by default])
DEBUGFS_CMT=
)
AC_SUBST(DEBUGFS_CMT)
dnl
dnl handle --enable-imager
dnl
AC_ARG_ENABLE([imager],
AS_HELP_STRING([--disable-imager],[disable support of e2image program]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling e2image support])
	IMAGER_CMT="#"
else
	IMAGER_CMT=
	AC_MSG_RESULT([Enabling e2image support])
fi
,
AC_MSG_RESULT([Enabling e2image support by default])
IMAGER_CMT=
)
AC_SUBST(IMAGER_CMT)
dnl
dnl handle --enable-resizer
dnl
AC_ARG_ENABLE([resizer],
AS_HELP_STRING([--disable-resizer],[disable support of e2resize program]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling e2resize support])
	RESIZER_CMT="#"
else
	RESIZER_CMT=
	AC_MSG_RESULT([Enabling e2resize support])
fi
,
AC_MSG_RESULT([Enabling e2resize support by default])
RESIZER_CMT=
)
AC_SUBST(RESIZER_CMT)
dnl
dnl handle --enable-defrag
dnl
AC_ARG_ENABLE([defrag],
AS_HELP_STRING([--disable-defrag],[disable support of e4defrag program]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling e4defrag support])
	DEFRAG_CMT="#"
else
	DEFRAG_CMT=
	AC_MSG_RESULT([Enabling e4defrag support])
fi
,
if test -z "$WITH_DIET_LIBC"
then
	AC_MSG_RESULT([Enabling e4defrag support by default])
	DEFRAG_CMT=
else
	AC_MSG_RESULT([Disabling e4defrag support by default])
	DEFRAG_CMT="#"
fi
)
AC_SUBST(DEFRAG_CMT)
dnl
dnl See whether to install the `fsck' wrapper program (that calls e2fsck)
dnl
AC_ARG_ENABLE([fsck],
AS_HELP_STRING([--enable-fsck],[build fsck wrapper program]),
[if test "$enableval" = "no"
then
	FSCK_PROG='' FSCK_MAN=''
	AC_MSG_RESULT([Not building fsck wrapper])
else
	FSCK_PROG=fsck FSCK_MAN=fsck.8
	AC_MSG_RESULT([Building fsck wrapper])
fi]
,
[case "$host_os" in
  gnu*)
    FSCK_PROG='' FSCK_MAN=''
    AC_MSG_RESULT([Not building fsck wrapper by default])
    ;;
  *)
    FSCK_PROG=fsck FSCK_MAN=fsck.8
    AC_MSG_RESULT([Building fsck wrapper by default])
esac]
)
AC_SUBST(FSCK_PROG)
AC_SUBST(FSCK_MAN)
dnl
dnl See whether to install the `e2initrd-helper' program
dnl
AC_ARG_ENABLE([e2initrd-helper],
AS_HELP_STRING([--enable-e2initrd-helper],[build e2initrd-helper program]),
[if test "$enableval" = "no"
then
	E2INITRD_PROG='' E2INITRD_MAN=''
	AC_MSG_RESULT([Not building e2initrd helper])
else
	E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
	AC_MSG_RESULT([Building e2initrd helper])
fi]
,
E2INITRD_PROG=e2initrd_helper E2INITRD_MAN=e2initrd_helper.8
AC_MSG_RESULT([Building e2initrd helper by default])
)
AC_SUBST(E2INITRD_PROG)
AC_SUBST(E2INITRD_MAN)
dnl
dnl
dnl
AC_ARG_ENABLE([tls],
AS_HELP_STRING([--disable-tls],[disable use of thread local support]),
[if test "$enableval" = "no"
then
	try_tls=""
	AC_MSG_RESULT([Disabling thread local support])
else
	try_tls="yes"
	AC_MSG_RESULT([Enabling thread local support])
fi]
,
if test -n "$WITH_DIET_LIBC"
then
	try_tls=""
	AC_MSG_RESULT([Diet libc does not support thread local support])
else
	try_tls="yes"
	AC_MSG_RESULT([Try using thread local support by default])
fi
)
if test "$try_tls" = "yes"
then
AX_TLS
fi
dnl
dnl
dnl
AC_ARG_WITH([pthread],
AS_HELP_STRING([--without-pthread],[disable use of pthread support]),
[if test "$withval" = "no"
then
	try_pthread=""
	AC_MSG_RESULT([Disabling pthread support])
else
	try_pthread="yes"
	AC_MSG_RESULT([Testing for pthread support])
fi]
,
try_pthread="yes"
AC_MSG_RESULT([Try testing for pthread support by default])
)
if test "$try_pthread" = "yes"
then
AX_PTHREAD
else
test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
AC_SUBST([PTHREAD_CC])
fi
dnl
dnl
dnl
AH_TEMPLATE([USE_UUIDD], [Define to 1 to build uuidd])
AC_ARG_ENABLE([uuidd],
AS_HELP_STRING([--disable-uuidd],[disable building the uuid daemon]),
[if test "$enableval" = "no"
then
	AC_MSG_RESULT([Not building uuidd])
	UUIDD_CMT="#"
else
	AC_DEFINE(USE_UUIDD, 1)
	UUIDD_CMT=""
	AC_MSG_RESULT([Building uuidd])
fi]
,
AC_DEFINE(USE_UUIDD, 1)
if test -z "$UUID_CMT"
then
	UUIDD_CMT=""
	AC_MSG_RESULT([Building uuidd by default])
else
	UUIDD_CMT="#"
	AC_MSG_RESULT([Disabling uuidd by default])
fi
)
AC_SUBST(UUIDD_CMT)
dnl
dnl handle --disable-mmp
dnl
AH_TEMPLATE([CONFIG_MMP], [Define to 1 to enable mmp support])
AC_ARG_ENABLE([mmp],
AS_HELP_STRING([--disable-mmp],[disable support mmp, Multi Mount Protection]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling mmp support])
else
	AC_MSG_RESULT([Enabling mmp support])
	AC_DEFINE(CONFIG_MMP, 1)
fi
,
AC_MSG_RESULT([Enabling mmp support by default])
AC_DEFINE(CONFIG_MMP, 1)
)
dnl
dnl handle --disable-tdb
dnl
AH_TEMPLATE([CONFIG_TDB], [Define to 1 to enable tdb support])
AC_ARG_ENABLE([tdb],
AS_HELP_STRING([--disable-tdb],[disable tdb support]),
[
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling tdb support])
	CONFIG_TDB=0
else
	AC_MSG_RESULT([Enabling tdb support])
	CONFIG_TDB=1
fi
]
,
[
case "$host_os" in
mingw*)
	AC_MSG_RESULT([Disabling tdb support by default])
	CONFIG_TDB=0
	;;
*)
	AC_MSG_RESULT([Enabling tdb support by default])
	CONFIG_TDB=1
	;;
esac
]
)
if test "$CONFIG_TDB" = "1"
then
	AC_DEFINE(CONFIG_TDB, 1)
	TDB_CMT=""
	TDB_MAN_COMMENT=""
else
	TDB_CMT="#"
	TDB_MAN_COMMENT='.\"'
fi
AC_SUBST(TDB_CMT)
AC_SUBST(TDB_MAN_COMMENT)
dnl
dnl handle --disable-bmap-stats
dnl
AH_TEMPLATE([ENABLE_BMAP_STATS], [Define to 1 to enable bitmap stats.])
AC_ARG_ENABLE([bmap-stats],
AS_HELP_STRING([--disable-bmap-stats],[disable collection of bitmap stats]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling bitmap statistics support])
else
	AC_MSG_RESULT([Enabling bitmap statistics support])
	AC_DEFINE(ENABLE_BMAP_STATS, 1)
fi
,
AC_MSG_RESULT([Enabling bitmap statistics support by default])
AC_DEFINE(ENABLE_BMAP_STATS, 1)
)
dnl
dnl handle --enable-bmap-stats-ops
dnl
AH_TEMPLATE([ENABLE_BMAP_STATS_OPS], [Define to 1 to enable bitmap stats.])
AC_ARG_ENABLE([bmap-stats-ops],
AS_HELP_STRING([--enable-bmap-stats-ops],[enable collection of additional bitmap stats]),
if test "$enableval" = "no"
then
	AC_MSG_RESULT([Disabling additional bitmap statistics])
else
	dnl There has to be a better way!
	AS_IF([test "x${enable_bmap_stats}" = "xno"],
	 AC_MSG_FAILURE([Error --enable-bmap-stats-ops requires bmap-stats]))

	AC_MSG_RESULT([Enabling additional bitmap statistics])
	AC_DEFINE(ENABLE_BMAP_STATS_OPS, 1)
fi
,
AC_MSG_RESULT([Disabling additional bitmap statistics by default])
)
dnl
dnl
dnl
MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
AC_SUBST_FILE(MAKEFILE_LIBRARY)
dnl
dnl Add internationalization support, using gettext.
dnl
GETTEXT_PACKAGE=e2fsprogs
PACKAGE=e2fsprogs
VERSION="$E2FSPROGS_VERSION"
VERSION=0.14.1
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [package name for gettext])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [version for gettext])
AC_SUBST(GETTEXT_PACKAGE)
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)

AM_GNU_GETTEXT([external])
dnl
dnl End of configuration options
dnl
AC_SUBST(BINARY_TYPE)
AC_PROG_MAKE_SET
CHECK_GNU_MAKE
AC_PATH_PROG(LN, ln, ln)
AC_PROG_MKDIR_P
dnl
dnl @mkdir_p@ is used by po's Makefile.in
dnl
mkdir_p=$MKDIR_P
AC_SUBST(mkdir_p)
AC_PROG_LN_S
AC_PATH_PROG(MV, mv, mv)
AC_PATH_PROG(CP, cp, cp)
AC_PATH_PROG(RM, rm, rm)
AC_PATH_PROG(CHMOD, chmod, :)
AC_PROG_AWK
AC_PROG_EGREP
AC_PATH_PROG(SED, sed, sed)
AC_PATH_PROG(PERL, perl, perl)
AC_PATH_PROG(LDCONFIG, ldconfig, :)
AC_CHECK_TOOL(AR, ar, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)
AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
if test "_$MAKEINFO" = "_"; then
    MAKEINFO="echo Makeinfo is missing. Info documentation will not be built."
else
    case "$MAKEINFO" in
      */missing.*)
        AC_MSG_WARN([
*** Makeinfo is missing. Info documentation will not be built.])
        ;;
      *)
        ;;
    esac
fi
AC_SUBST(MAKEINFO)
AC_PROG_INSTALL
# See if we need a separate native compiler.
if test $cross_compiling = no; then
  BUILD_CC="$CC"
  AC_SUBST(BUILD_CC)
else
  AC_CHECK_PROGS(BUILD_CC, gcc cc)
fi
AC_CHECK_HEADERS(m4_flatten([
	dirent.h
	errno.h
	execinfo.h
	getopt.h
	malloc.h
	mntent.h
	paths.h
	pthread.h
	semaphore.h
	setjmp.h
	signal.h
	stdarg.h
	stdint.h
	stdlib.h
	termios.h
	termio.h
	unistd.h
	utime.h
	attr/xattr.h
	linux/falloc.h
	linux/fd.h
	linux/fsmap.h
	linux/major.h
	linux/loop.h
	linux/types.h
	net/if_dl.h
	netinet/in.h
	sys/acl.h
	sys/disklabel.h
	sys/disk.h
	sys/file.h
	sys/ioctl.h
	sys/key.h
	sys/mkdev.h
	sys/mman.h
	sys/mount.h
	sys/prctl.h
	sys/random.h
	sys/resource.h
	sys/select.h
	sys/socket.h
	sys/sockio.h
	sys/stat.h
	sys/syscall.h
	sys/sysmacros.h
	sys/time.h
	sys/types.h
	sys/un.h
	sys/wait.h
	sys/xattr.h
]))
case "$host_os" in
mingw*)
	# The above checks only detect system headers, not the headers in
	# ./include/mingw/, so explicitly define them to be available.
	AC_DEFINE(HAVE_LINUX_TYPES_H, 1)
	AC_DEFINE(HAVE_SYS_STAT_H, 1)
	AC_DEFINE(HAVE_SYS_SYSMACROS_H, 1)
	AC_DEFINE(HAVE_SYS_TYPES_H, 1)
	AC_DEFINE(HAVE_UNISTD_H, 1)
	;;
esac
dnl Check where to find a dd(1) that supports iflag=fullblock
dnl and oflag=append
AC_MSG_CHECKING([for a dd(1) program that supports iflag=fullblock])
DD=
for i in dd gdd ; do
	if "$i" if=/dev/null of=/dev/null count=1 bs=10k 2>/dev/null iflag=fullblock oflag=append ; then
		DD=$i
		break
	fi
done
if test -n "$DD" ; then
	AC_MSG_RESULT([$DD])
else
	AC_MSG_RESULT([not found, using dd])
	DD=dd
	AC_MSG_WARN([No GNU-compatible dd(1) program found, expect some self-test failures.])
fi
AC_SUBST([DD])

AC_CHECK_HEADERS(net/if.h,,,
[[
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET
#include <sys/socket.h>
#endif
]])
AC_FUNC_VPRINTF
dnl Check to see if dirent has member d_reclen. On cygwin those d_reclen
dnl is not declared.
AC_CHECK_MEMBER(struct dirent.d_reclen,[AC_DEFINE(HAVE_RECLEN_DIRENT, 1,
		       [Define to 1 if dirent has d_reclen])],,
		[#include <dirent.h>])
AC_CHECK_MEMBERS([struct stat.st_atim])
dnl Check to see if ssize_t was declared
AC_CHECK_TYPE(ssize_t,[AC_DEFINE(HAVE_TYPE_SSIZE_T, 1,
		[Define to 1 if ssize_t declared])],,
	      [#include <sys/types.h>])
dnl
dnl Check to see if llseek() is declared in unistd.h.  On some libc's 
dnl it is, and on others it isn't..... Thank you glibc developers....
dnl
AC_CHECK_DECL(llseek,[AC_DEFINE(HAVE_LLSEEK_PROTOTYPE, 1,
			[Define to 1 if llseek declared in unistd.h])],,
	      [#include <unistd.h>])
dnl
dnl Check to see if lseek64() is declared in unistd.h.  Glibc's header files
dnl are so convoluted that I can't tell whether it will always be defined,
dnl and if it isn't defined while lseek64 is defined in the library, 
dnl disaster will strike.  
dnl
dnl Warning!  Use of --enable-gcc-wall may throw off this test.
dnl
dnl
AC_CHECK_DECL(lseek64,[AC_DEFINE(HAVE_LSEEK64_PROTOTYPE, 1,
			[Define to 1 if lseek64 declared in unistd.h])],,
		[#define _LARGEFILE_SOURCE
		 #define _LARGEFILE64_SOURCE
		 #include <unistd.h>])
dnl
dnl Word sizes...
dnl
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(time_t)
SIZEOF_SHORT=$ac_cv_sizeof_short
SIZEOF_INT=$ac_cv_sizeof_int
SIZEOF_LONG=$ac_cv_sizeof_long
SIZEOF_LONG_LONG=$ac_cv_sizeof_long_long
SIZEOF_OFF_T=$ac_cv_sizeof_off_t
SIZEOF_TIME_T=$ac_cv_sizeof_time_t
AC_SUBST(SIZEOF_SHORT)
AC_SUBST(SIZEOF_INT)
AC_SUBST(SIZEOF_LONG)
AC_SUBST(SIZEOF_LONG_LONG)
AC_SUBST(SIZEOF_OFF_T)
AC_SUBST(SIZEOF_TIME_T)
AC_C_BIGENDIAN
if test $cross_compiling = no; then
  BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
else
  CROSS_COMPILE="1" BUILD_CC="$BUILD_CC" CPP="$CPP" /bin/sh $ac_aux_dir/parse-types.sh
fi
ASM_TYPES_HEADER=./asm_types.h
AC_SUBST_FILE(ASM_TYPES_HEADER)
dnl
dnl Save the configuration #defines needed for the public ext2fs.h
dnl header file
dnl
echo "/* These defines are needed for the public ext2fs.h header file */" \
     > public_config.h
if grep HAVE_SYS_TYPES_H confdefs.h > tmp_config.$$; then
  uniq tmp_config.$$ >> public_config.h
else
  echo "#undef HAVE_SYS_TYPES_H" >> public_config.h
fi
if grep WORDS_BIGENDIAN confdefs.h > tmp_config.$$; then
  uniq tmp_config.$$ >> public_config.h
else
  echo "#undef WORDS_BIGENDIAN" >> public_config.h
fi
rm -f tmp_config.$$
PUBLIC_CONFIG_HEADER=./public_config.h
AC_SUBST_FILE(PUBLIC_CONFIG_HEADER)
dnl
dnl See if we have inttypes.h and if intptr_t is defined
dnl
AC_CHECK_HEADERS([inttypes.h])
AC_CHECK_TYPES(intptr_t)
dnl
dnl See if struct stat has a st_flags field, in which case we can get file
dnl flags somewhat portably.  Also check for the analogous setter, chflags().
dnl
AC_MSG_CHECKING(whether struct stat has a st_flags field)
AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags = 0;]])],[e2fsprogs_cv_struct_st_flags=yes],[e2fsprogs_cv_struct_st_flags=no]))
AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
if test "$e2fsprogs_cv_struct_st_flags" = yes; then
  AC_MSG_CHECKING(whether st_flags field is useful)
  AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags_immut,
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[struct stat stat; stat.st_flags |= UF_IMMUTABLE;]])],[e2fsprogs_cv_struct_st_flags_immut=yes],[e2fsprogs_cv_struct_st_flags_immut=no]))
  AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags_immut)
  if test "$e2fsprogs_cv_struct_st_flags_immut" = yes; then
	  AC_DEFINE(HAVE_STAT_FLAGS, 1,
		[Define to 1 if struct stat has st_flags])
  fi
fi
dnl
dnl Check for the presence of SA_LEN
dnl
AC_CHECK_MEMBER(struct sockaddr.sa_len,
		AC_DEFINE_UNQUOTED(HAVE_SA_LEN,1,
			[Define to 1 if if struct sockaddr contains sa_len]),,
	[#include <sys/types.h>
	 #include <sys/socket.h>])
dnl
dnl If we are using the system-provided blkid library, check for
dnl the functions added after migrating that library to util-linux
dnl
if test -n "$BLKID_CMT"; then
  AC_CHECK_LIB(blkid, blkid_probe_get_topology,
		      AC_DEFINE(HAVE_BLKID_PROBE_GET_TOPOLOGY, 1,
				[Define to 1 if blkid has blkid_probe_get_topology]))
  AC_CHECK_LIB(blkid, blkid_topology_get_dax,
		      AC_DEFINE(HAVE_BLKID_TOPOLOGY_GET_DAX, 1,
				[Define to 1 if blkid has blkid_topology_get_dax]))
  AC_CHECK_LIB(blkid, blkid_probe_enable_partitions,
		      AC_DEFINE(HAVE_BLKID_PROBE_ENABLE_PARTITIONS, 1,
				[Define to 1 if blkid has blkid_probe_enable_partitions]))
fi
dnl
if test -n "$DLOPEN_LIB" ; then
   ac_cv_func_dlopen=yes
fi
AC_CHECK_FUNCS(m4_flatten([
	__secure_getenv
	add_key
	backtrace
	chflags
	dlopen
	fadvise64
	fallocate
	fallocate64
	fchown
	fcntl
	fdatasync
	fstat64
	fsync
	ftruncate64
	futimes
	getcwd
	getdtablesize
	getentropy
	gethostname
	getmntinfo
	getpwuid_r
	getrandom
	getrlimit
	getrusage
	jrand48
	keyctl
	llistxattr
	llseek
	lseek64
	mallinfo
	mallinfo2
	mbstowcs
	memalign
	mempcpy
	mmap
	msync
	nanosleep
	open64
	pathconf
	posix_fadvise
	posix_fadvise64
	posix_memalign
	prctl
	pread
	pwrite
	pread64
	pwrite64
	qsort_r
	secure_getenv
	setmntent
	setresgid
	setresuid
	snprintf
	srandom
	stpcpy
	strcasecmp
	strdup
	strnlen
	strptime
	strtoull
	sync_file_range
	sysconf
	usleep
	utime
	utimes
	valloc
]))
dnl
dnl Check to see if -lsocket is required (solaris) to make something
dnl that uses socket() to compile; this is needed for the UUID library
dnl
SOCKET_LIB=''
AC_CHECK_LIB(socket, socket, [SOCKET_LIB=-lsocket])
AC_SUBST(SOCKET_LIB)
dnl
dnl See if libmagic exists
dnl
AC_CHECK_LIB(magic, magic_file, [MAGIC_LIB=-lmagic
AC_CHECK_HEADERS([magic.h])])
if test "$ac_cv_func_dlopen" = yes ; then
   MAGIC_LIB=$DLOPEN_LIB
fi
AC_SUBST(MAGIC_LIB)
dnl
dnl Check to see if librt is required for clock_gettime() (glibc < 2.17)
dnl
AC_CHECK_LIB(rt, clock_gettime, [CLOCK_GETTIME_LIB=-lrt])
AC_SUBST(CLOCK_GETTIME_LIB)
dnl
dnl Check to see if the FUSE library is -lfuse or -losxfuse
dnl
FUSE_CMT=
FUSE_LIB=
dnl osxfuse.dylib supersedes fuselib.dylib
AC_ARG_ENABLE([fuse2fs],
AS_HELP_STRING([--disable-fuse2fs],[do not build fuse2fs]),
if test "$enableval" = "no"
then
	FUSE_CMT="#"
	AC_MSG_RESULT([Disabling fuse2fs])
else
	AC_CHECK_HEADERS([pthread.h fuse.h], [],
[AC_MSG_FAILURE([Cannot find fuse2fs headers.])],
[#define _FILE_OFFSET_BITS	64
#define FUSE_USE_VERSION 29])

	AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([[#define FUSE_USE_VERSION 29
#ifdef __linux__
#include <linux/fs.h>
#include <linux/falloc.h>
#include <linux/xattr.h>
#endif
]], [])], [], [AC_MSG_FAILURE([Cannot find fuse2fs Linux headers.])])

	AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
		[AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse],
			      [AC_MSG_FAILURE([Cannot find fuse library.])])])
	AC_MSG_RESULT([Enabling fuse2fs])
fi
,
AC_CHECK_HEADERS([pthread.h fuse.h], [], [FUSE_CMT="#"],
[#define _FILE_OFFSET_BITS	64
#define FUSE_USE_VERSION 29
#ifdef __linux__
# include <linux/fs.h>
# include <linux/falloc.h>
# include <linux/xattr.h>
#endif])
if test -z "$FUSE_CMT"
then
	AC_CHECK_LIB(osxfuse, fuse_main, [FUSE_LIB=-losxfuse],
[AC_CHECK_LIB(fuse, fuse_main, [FUSE_LIB=-lfuse], [FUSE_CMT="#"])])
fi
if test -z "$FUSE_CMT"
then
	AC_MSG_RESULT([Enabling fuse2fs by default.])
fi
)
AC_SUBST(FUSE_LIB)
AC_SUBST(FUSE_CMT)
dnl
dnl See if optreset exists
dnl
AC_MSG_CHECKING(for optreset)
AC_CACHE_VAL(ac_cv_have_optreset,
[AC_EGREP_HEADER(optreset, unistd.h,
  ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
AC_MSG_RESULT($ac_cv_have_optreset)
if test $ac_cv_have_optreset = yes; then
  AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if optreset for getopt is present])
fi
dnl
dnl Test for sem_init, and which library it might require:
dnl
AH_TEMPLATE([HAVE_SEM_INIT], [Define to 1 if sem_init() exists])
SEM_INIT_LIB=''
echo GL_THREADS_API: ${gl_threads_api}
if test "${gl_threads_api}" != none
then
  AC_CHECK_FUNC(sem_init, ,
    AC_CHECK_LIB(pthread, sem_init,
  	AC_DEFINE(HAVE_SEM_INIT, 1)
  	SEM_INIT_LIB=-lpthread,
    AC_CHECK_LIB(rt, sem_init,
  	AC_DEFINE(HAVE_SEM_INIT, 1)
  	SEM_INIT_LIB=-lrt,
    AC_CHECK_LIB(posix4, sem_init,
  	AC_DEFINE(HAVE_SEM_INIT, 1)
  	SEM_INIT_LIB=-lposix4))))dnl
fi
AC_SUBST(SEM_INIT_LIB)
dnl
dnl qsort_r detection
dnl
AS_IF([test "$ac_cv_func_qsort_r" != no], [
  AC_CACHE_CHECK(whether qsort_r is GNU version, e2_cv_gnu_qsort_r,
    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <stdlib.h>
void (qsort_r)(void *base, size_t nmemb, size_t size,
	    int (*compar)(const void *, const void *, void *),
	    void *arg);
]], [[ ]])],[e2_cv_gnu_qsort_r=yes],[e2_cv_gnu_qsort_r=no])
  ])
  AC_CACHE_CHECK(whether qsort_r is BSD version, e2_cv_bsd_qsort_r,
    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <stdlib.h>
void (qsort_r)(void *base, size_t nmemb, size_t size,
	     void *arg, int (*compar)(void *, const void *, const void *));
]], [[ ]])],[e2_cv_bsd_qsort_r=yes],[e2_cv_bsd_qsort_r=no])
  ])
  AS_CASE("$e2_cv_gnu_qsort_r:$e2_cv_bsd_qsort_r",
  [yes:no], [
    AC_DEFINE(HAVE_GNU_QSORT_R, 1, [ Define to 1 if you have the GNU-style 'qsort_r' function.])
  ],
  [no:yes], [
    AC_DEFINE(HAVE_BSD_QSORT_R, 1, [ Define to 1 if you have the BSD-style 'qsort_r' function.])
  ])
])
dnl
dnl Check for unified diff
dnl
AC_MSG_CHECKING(for unified diff option)
if diff -u $0 $0 > /dev/null 2>&1 ; then
   UNI_DIFF_OPTS=-u
else
   UNI_DIFF_OPTS=-c
fi
AC_MSG_RESULT($UNI_DIFF_OPTS)
AC_SUBST(UNI_DIFF_OPTS)
dnl
dnl We use the EXT2 ioctls only under Linux
dnl
case "$host_os" in
linux*)
	AC_DEFINE(HAVE_EXT2_IOCTLS, 1, [Define to 1 if Ext2 ioctls present])
	;;
esac
dnl
dnl Check the available mount options
dnl
AX_CHECK_MOUNT_OPT(nosuid)
AX_CHECK_MOUNT_OPT(nodev)
dnl Enable LTO for all packages
dnl
AC_ARG_ENABLE([lto],
AS_HELP_STRING([--enable-lto],[enable link time optimization]),,
enable_lto=no)
if test "$enable_lto" = "yes" || test "$enable_lto" = "probe"; then
	AC_MSG_CHECKING([if C compiler supports LTO])
	OLD_CFLAGS="$CFLAGS"
	OLD_LDFLAGS="$LDFLAGS"
	LTO_FLAGS="-g -flto -ffat-lto-objects"
	CFLAGS="$CFLAGS $LTO_FLAGS"
	LDFLAGS="$LDFLAGS $LTO_FLAGS"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
		[AC_MSG_RESULT([yes])]
		[lto_cflags=$LTO_FLAGS]
		[lto_ldflags=$LTO_FLAGS]
		[AC_PATH_PROG(gcc_ar, gcc-ar,,)]
		[AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)],
		[AC_MSG_RESULT([no])])
	if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then
		have_lto=yes
		AR="${gcc_ar}"
		RANLIB="${gcc_ranlib}"
	fi
	CFLAGS="${OLD_CFLAGS}"
	LDFLAGS="${OLD_LDFLAGS}"
	AC_SUBST(have_lto)
	AC_SUBST(lto_cflags)
	AC_SUBST(lto_ldflags)
fi
if test "$enable_lto" = "yes" && test "$have_lto" != "yes"; then
	AC_MSG_ERROR([LTO not supported by compiler.])
fi
dnl
dnl Enable UBSAN for all packages
dnl
AC_ARG_ENABLE([ubsan],
AS_HELP_STRING([--enable-ubsan],[enable undefined behavior sanitizer]),,
enable_ubsan=no)
if test "$enable_ubsan" = "yes" || test "$enable_ubsan" = "probe"; then
	AC_MSG_CHECKING([if C compiler supports UBSAN])
	OLD_CFLAGS="$CFLAGS"
	OLD_LDFLAGS="$LDFLAGS"
	UBSAN_FLAGS="-fsanitize=undefined"
	CFLAGS="$CFLAGS $UBSAN_FLAGS"
	LDFLAGS="$LDFLAGS $UBSAN_FLAGS"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
		[AC_MSG_RESULT([yes])]
		[ubsan_cflags=$UBSAN_FLAGS]
		[ubsan_ldflags=$UBSAN_FLAGS]
		[have_ubsan=yes],
		[AC_MSG_RESULT([no])])
	CFLAGS="${OLD_CFLAGS}"
	LDFLAGS="${OLD_LDFLAGS}"
	AC_SUBST(have_ubsan)
	AC_SUBST(ubsan_cflags)
	AC_SUBST(ubsan_ldflags)
fi
if test "$enable_ubsan" = "yes" && test "$have_ubsan" != "yes"; then
	AC_MSG_ERROR([UBSAN not supported by compiler.])
fi
dnl
dnl Enable ADDRSAN for all packages
dnl
AC_ARG_ENABLE([addrsan],
AS_HELP_STRING([--enable-addrsan],[enable address sanitizer]),,
enable_addrsan=no)
if test "$enable_addrsan" = "yes" || test "$enable_addrsan" = "probe"; then
	AC_MSG_CHECKING([if C compiler supports ADDRSAN])
	OLD_CFLAGS="$CFLAGS"
	OLD_LDFLAGS="$LDFLAGS"
	ADDRSAN_FLAGS="-fsanitize=address"
	CFLAGS="$CFLAGS $ADDRSAN_FLAGS"
	LDFLAGS="$LDFLAGS $ADDRSAN_FLAGS"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
		[AC_MSG_RESULT([yes])]
		[addrsan_cflags=$ADDRSAN_FLAGS]
		[addrsan_ldflags=$ADDRSAN_FLAGS]
		[have_addrsan=yes],
		[AC_MSG_RESULT([no])])
	CFLAGS="${OLD_CFLAGS}"
	LDFLAGS="${OLD_LDFLAGS}"
	AC_SUBST(have_addrsan)
	AC_SUBST(addrsan_cflags)
	AC_SUBST(addrsan_ldflags)
fi
if test "$enable_addrsan" = "yes" && test "$have_addrsan" != "yes"; then
	AC_MSG_ERROR([ADDRSAN not supported by compiler.])
fi
dnl
dnl Enable THREADSAN for all packages
dnl
AC_ARG_ENABLE([threadsan],
AS_HELP_STRING([--enable-threadsan],[enable thread sanitizer]),,
enable_threadsan=no)
if test "$enable_threadsan" = "yes" || test "$enable_threadsan" = "probe"; then
	AC_MSG_CHECKING([if C compiler supports THREADSAN])
	OLD_CFLAGS="$CFLAGS"
	OLD_LDFLAGS="$LDFLAGS"
	THREADSAN_FLAGS="-fsanitize=thread"
	CFLAGS="$CFLAGS $THREADSAN_FLAGS"
	LDFLAGS="$LDFLAGS $THREADSAN_FLAGS"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
		[AC_MSG_RESULT([yes])]
		[threadsan_cflags=$THREADSAN_FLAGS]
		[threadsan_ldflags=$THREADSAN_FLAGS]
		[have_threadsan=yes],
		[AC_MSG_RESULT([no])])
	CFLAGS="${OLD_CFLAGS}"
	LDFLAGS="${OLD_LDFLAGS}"
	AC_SUBST(have_threadsan)
	AC_SUBST(threadsan_cflags)
	AC_SUBST(threadsan_ldflags)
fi
if test "$enable_threadsan" = "yes" && test "$have_threadsan" != "yes"; then
	AC_MSG_ERROR([THREADSAN not supported by compiler.])
fi
if test "$have_threadsan" = "yes" && test "$have_addrsan" = "yes"; then
	AC_MSG_WARN([ADDRSAN and THREADSAN are not known to work together.])
fi
dnl
dnl Enable the fuzzer sanitizer for all packages
dnl
FUZZING_CMT="#"
AC_ARG_ENABLE([fuzzing],
AS_HELP_STRING([--enable-fuzzing],[enable fuzzing sanitizer]),,
enable_fuzzing=no)
if test "$enable_fuzzing" = "yes" || test "$enable_fuzzing" = "probe"; then
	AC_PROG_CXX
	AC_MSG_CHECKING([if C compiler supports fuzzing sanitizer])
	AC_LANG_PUSH([C++])
	OLD_CXXFLAGS="$CXXFLAGS"
	OLD_LDFLAGS="$LDFLAGS"
	FUZZER_FLAGS="-fsanitize=fuzzer"
	CXXFLAGS="$CXXFLAGS $FUZZER_FLAGS"
	LDFLAGS="$LDFLAGS $FUZZER_FLAGS"
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
		#include <stddef.h>
		#include <stdint.h>
		]],
		[ return 0; ])],
		[AC_MSG_RESULT([yes])]
		[fuzzer_cflags=$FUZZER_FLAGS]
		[fuzzer_ldflags=$FUZZER_FLAGS]
		[FUZZING_CMT=]
		[have_fuzzer=yes],
		[AC_MSG_RESULT([no])]
		[AC_MSG_ERROR([fuzzing requested but not available])])
	CXXFLAGS="${OLD_CXXFLAGS}"
	LDFLAGS="${OLD_LDFLAGS}"
	AC_LANG_POP([C++])
	AC_SUBST(have_fuzzer)
	AC_SUBST(fuzzer_cflags)
	AC_SUBST(fuzzer_ldflags)
fi
if test "$enable_fuzzer" = "yes" && test "$have_fuzzer" != "yes"; then
	AC_MSG_ERROR([Fuzzing not supported by compiler.])
fi
AC_SUBST(FUZZING_CMT)
dnl
dnl OS-specific uncomment control
dnl
LINUX_CMT="#"
CYGWIN_CMT="#"
UNIX_CMT=
case "$host_os" in
linux*)
	LINUX_CMT=
	;;
cygwin)
	CYGWIN_CMT=
	UNIX_CMT="#"
	;;
esac
AC_SUBST(LINUX_CMT)
AC_SUBST(CYGWIN_CMT)
AC_SUBST(UNIX_CMT)
dnl
dnl e2scrub only builds on linux
dnl
E2SCRUB_CMT="$LINUX_CMT"
AC_SUBST(E2SCRUB_CMT)
dnl
dnl Linux and Hurd places root files in the / by default
dnl
case "$host_os" in
linux* | gnu* | k*bsd*-gnu)
	if test "$prefix" = NONE -a "$root_prefix" = NONE ; then
		root_prefix="";
		AC_MSG_RESULT([On $host_os systems, root_prefix defaults to ''])
	fi
	;;
esac
dnl
dnl On Linux/hurd, force the prefix to be /usr
dnl
case "$host_os" in
linux* | gnu* | k*bsd*-gnu)
	if test "$prefix" = NONE ; then
		prefix="/usr";
		AC_MSG_RESULT([On $host_os systems, prefix defaults to /usr])
		if test "$mandir" = '${prefix}/man' ; then
			AC_MSG_RESULT([...and mandir defaults to /usr/share/man])
			mandir=/usr/share/man
		fi
	fi
;;
esac
if test "$root_prefix" = NONE ; then
	if test "$prefix" = NONE ; then
		root_prefix="$ac_default_prefix"
	else
		root_prefix="$prefix"
	fi
	root_bindir=$bindir
	root_sbindir=$sbindir
	root_libdir=$libdir
	root_sysconfdir=$sysconfdir
else
	root_bindir='${root_prefix}/bin'
	root_sbindir='${root_prefix}/sbin'
	root_libdir='${root_prefix}/lib'
	root_sysconfdir='${root_prefix}/etc'
fi
if test "$bindir" != '${exec_prefix}/bin'; then
    root_bindir=$bindir
    AC_MSG_RESULT([Setting root_bindir to $root_bindir])
fi
if test "$sbindir" != '${exec_prefix}/sbin'; then
    root_sbindir=$sbindir
    AC_MSG_RESULT([Setting root_sbindir to $root_sbindir])
fi
if test "$libdir" != '${exec_prefix}/lib'; then
    root_libdir=$libdir
    AC_MSG_RESULT([Setting root_libdir to $root_libdir])
fi
if test "$sysconfdir" != '${prefix}/etc'; then
    root_sysconfdir=$sysconfdir
    AC_MSG_RESULT([Setting root_sysconfdir to $root_sysconfdir])
fi
AC_SUBST(root_prefix)
AC_SUBST(root_bindir)
AC_SUBST(root_sbindir)
AC_SUBST(root_libdir)
AC_SUBST(root_sysconfdir)
dnl
dnl Allow specification of the multiarch arch
dnl
AC_ARG_WITH([multiarch],
AS_HELP_STRING([--with-multiarch=ARCH],[specify the multiarch triplet]),
if test "$withval" = "lib64"; then
    libdir=/usr/lib64
    root_libdir=/lib64
else
    libdir=$libdir/$withval
    root_libdir=$root_libdir/$withval
fi
)
dnl
dnl
dnl See if -static works.  This could fail if the linker does not
dnl support -static, or if required external libraries are not available
dnl in static form.
dnl
AC_MSG_CHECKING([whether we can link with -static])
AC_CACHE_VAL(ac_cv_e2fsprogs_use_static,
[SAVE_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS_STATIC -static"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[fflush(stdout);]])],[ac_cv_e2fsprogs_use_static=yes],[ac_cv_e2fsprogs_use_static=no])
LDFLAGS=$SAVE_LDFLAGS])
dnl
dnl Regardless of how the test turns out, Solaris doesn't handle -static
dnl This is caused by the socket library requiring the nsl library, which
dnl requires the -dl library, which only works for dynamically linked 
dnl programs.  It basically means you can't have statically linked programs
dnl which use the network under Solaris.  
dnl
case "$host_os" in
solaris2.*)
	ac_cv_e2fsprogs_use_static=no	
;;
esac
AC_MSG_RESULT($ac_cv_e2fsprogs_use_static)
if test $ac_cv_e2fsprogs_use_static = yes; then
	LDFLAGS_STATIC="$LDFLAGS_STATIC -static"
fi
AC_SUBST(LDFLAGS_STATIC)
dnl
dnl Work around mysterious Darwin / GNU libintl problem
dnl (__asm__ redirection doesn't work for some mysterious reason.  Looks like
dnl Apple hacked gcc somehow?)
dnl
case "$host_os" in
darwin*)
	AC_MSG_RESULT([Using Apple Darwin / GNU libintl workaround])
	AC_DEFINE(_INTL_REDIRECT_MACROS, 1,
		[Define to 1 if Apple Darwin libintl workaround is needed])
	;;
esac
dnl
dnl Only try to run the test suite if we're not cross compiling.
dnl
if test "$cross_compiling" = yes ; then
  DO_TEST_SUITE=
else
  DO_TEST_SUITE=check
fi
AC_SUBST(DO_TEST_SUITE)
dnl
dnl Only include the intl include files if we're building with them
dnl
INCLUDES='-I. -I$(top_builddir)/lib -I$(top_srcdir)/lib'
if test -n "$CPPFLAGS" ; then
	INCLUDES="$INCLUDES $CPPFLAGS"
fi
if test "$USE_INCLUDED_LIBINTL" = "yes" ; then
	INCLUDES=$INCLUDES' -I$(top_builddir)/intl -I$(top_srcdir)/intl'
fi
if test -n "$WITH_DIET_LIBC" ; then
	INCLUDES="$INCLUDES -D_REENTRANT"
fi
case "$host_os" in
mingw*)
	INCLUDES=$INCLUDES' -I$(top_srcdir)/include/mingw'
	;;
esac
AC_SUBST(INCLUDES)
dnl
dnl Build CFLAGS
dnl
if test $cross_compiling = no; then
   BUILD_CFLAGS="$CFLAGS $CPPFLAGS $INCLUDES -DHAVE_CONFIG_H"
   BUILD_LDFLAGS="$LDFLAGS"
fi
AC_SUBST(BUILD_CFLAGS)
AC_SUBST(BUILD_LDFLAGS)
dnl
dnl Define CFLAGS and LDFLAGS for shared libraries
dnl
CFLAGS_SHLIB=${CFLAGS_SHLIB:-$CFLAGS}
CFLAGS_STLIB=${CFLAGS_STLIB:-$CFLAGS}
LDFLAGS_SHLIB=${LDFLAGS_SHLIB:-$LDFLAGS}
AC_SUBST(CFLAGS_SHLIB)
AC_SUBST(CFLAGS_STLIB)
AC_SUBST(LDFLAGS_SHLIB)

dnl
dnl Where do udev rules go?
dnl
AC_ARG_WITH([udev_rules_dir],
  [AS_HELP_STRING([--with-udev-rules-dir@<:@=DIR@:>@],
	[Install udev rules into DIR.])],
  [],
  [with_udev_rules_dir=yes])
AS_IF([test "x${with_udev_rules_dir}" != "xno"],
  [
	AS_IF([test "x${with_udev_rules_dir}" = "xyes"],
	  [
		PKG_CHECK_MODULES([udev], [udev],
		  [
			with_udev_rules_dir="$($PKG_CONFIG --variable=udevdir udev)/rules.d"
		  ], [
			with_udev_rules_dir=""
		  ])
	  ])
	AC_MSG_CHECKING([for udev rules dir])
	pkg_udev_rules_dir="${with_udev_rules_dir}"
	AS_IF([test -n "${pkg_udev_rules_dir}"],
	  [
		AC_MSG_RESULT(${pkg_udev_rules_dir})
		have_udev="yes"
	  ],
	  [
		AC_MSG_RESULT(no)
		have_udev="no"
	  ])
  ],
  [
	have_udev="disabled"
  ])
AC_SUBST(have_udev)
AC_SUBST(pkg_udev_rules_dir)

dnl
dnl Where do cron jobs go?
dnl
AC_ARG_WITH([crond_dir],
  [AS_HELP_STRING([--with-crond-dir@<:@=DIR@:>@],
	[Install system crontabs into DIR.])],
  [],
  [with_crond_dir=yes])
AS_IF([test "x${with_crond_dir}" != "xno"],
  [
	AS_IF([test "x${with_crond_dir}" = "xyes"],
	  [
		AS_IF([test -d "/etc/cron.d"],
		  [with_crond_dir="/etc/cron.d"],
		  [have_crond="no"; with_crond_dir=""])
	  ])
	AC_MSG_CHECKING([for system crontab dir])
	crond_dir="${with_crond_dir}"
	AS_IF([test -n "${crond_dir}"],
	  [
		AC_MSG_RESULT(${crond_dir})
		have_crond="yes"
	  ],
	  [
		AC_MSG_RESULT(no)
		have_crond="no"
	  ])
  ],
  [
	have_crond="disabled"
  ])
AC_SUBST(have_crond)
AC_SUBST(crond_dir)

dnl
dnl Where do systemd services go?
dnl
AC_ARG_WITH([systemd_unit_dir],
  [AS_HELP_STRING([--with-systemd-unit-dir@<:@=DIR@:>@],
	[Install systemd system units into DIR.])],
  [],
  [with_systemd_unit_dir=yes])
AS_IF([test "x${with_systemd_unit_dir}" != "xno"],
  [
	AS_IF([test "x${with_systemd_unit_dir}" = "xyes"],
	  [
		PKG_CHECK_MODULES([systemd], [systemd],
		  [
			with_systemd_unit_dir="$($PKG_CONFIG --variable=systemdsystemunitdir systemd)"
		  ], [
			with_systemd_unit_dir=""
		  ])
		m4_pattern_allow([^PKG_(MAJOR|MINOR|BUILD|REVISION)$])
	  ])
	AC_MSG_CHECKING([for systemd system unit dir])
	systemd_system_unit_dir="${with_systemd_unit_dir}"
	AS_IF([test -n "${systemd_system_unit_dir}"],
	  [
		AC_MSG_RESULT(${systemd_system_unit_dir})
		have_systemd="yes"
	  ],
	  [
		AC_MSG_RESULT(no)
		have_systemd="no"
	  ])
  ],
  [
	have_systemd="disabled"
  ])
AC_SUBST(have_systemd)
AC_SUBST(systemd_system_unit_dir)
dnl Adjust the compiled files if we are on windows vs everywhere else
dnl
OS_IO_FILE=""
[case "$host_os" in
  mingw*)
    OS_IO_FILE=windows_io
  ;;
  *)
    OS_IO_FILE=unix_io
  ;;
esac]
AC_SUBST(OS_IO_FILE)

AC_SYS_LARGEFILE

dnl
dnl Make our output files, being sure that we create the some miscellaneous 
dnl directories
dnl
test -d lib || mkdir lib
test -d include || mkdir include
test -d include/linux || mkdir include/linux
test -d include/asm || mkdir include/asm
if test -z "$UUID_CMT" ; then
	uuid_out_list="lib/uuid/Makefile lib/uuid/uuid.pc \
		lib/uuid/uuid_types.h"
fi
if test -z "$BLKID_CMT" ; then
	blkid_out_list="lib/blkid/Makefile lib/blkid/blkid.pc \
		lib/blkid/blkid_types.h"
fi
for i in MCONFIG Makefile \
	util/Makefile util/subst.conf util/gen-tarball util/install-symlink \
	lib/et/Makefile lib/ss/Makefile lib/e2p/Makefile \
	lib/ext2fs/Makefile lib/ext2fs/ext2_types.h \
	$uuid_out_list $blkid_out_list lib/support/Makefile \
	lib/ss/ss.pc lib/et/com_err.pc lib/e2p/e2p.pc lib/ext2fs/ext2fs.pc \
	misc/Makefile ext2ed/Makefile e2fsck/Makefile \
	debugfs/Makefile tests/Makefile tests/progs/Makefile \
	tests/fuzz/Makefile resize/Makefile doc/Makefile \
	po/Makefile.in scrub/Makefile; do
	if test -d `dirname ${srcdir}/$i` ; then
		outlist="$outlist $i"
	fi
done
AC_CONFIG_FILES([$outlist])
AC_OUTPUT
if test -f util/gen-tarball; then chmod +x util/gen-tarball; fi