Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

   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
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
[+ AutoGen5 template -*- Mode: Makefile -*-
in
+]

# Makefile.in is generated from Makefile.tpl by 'autogen Makefile.def'.
#
# Makefile for directory with subdirs to build.
#   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
#   Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# 
# This program 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 General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.
#

# First, test for a proper version of make, but only where one is required.

@if gcc
ifeq (,$(.VARIABLES)) # The variable .VARIABLES, new with 3.80, is never empty.
$(error GNU make version 3.80 or newer is required.)
endif
@endif gcc

# -------------------------------
# Standard Autoconf-set variables
# -------------------------------
VPATH=@srcdir@

build_alias=@build_noncanonical@
build_vendor=@build_vendor@
build_os=@build_os@
build=@build@
host_alias=@host_noncanonical@
host_vendor=@host_vendor@
host_os=@host_os@
host=@host@
target_alias=@target_noncanonical@
target_vendor=@target_vendor@
target_os=@target_os@
target=@target@

program_transform_name = @program_transform_name@

prefix = @prefix@
exec_prefix = @exec_prefix@

srcdir = @srcdir@

bindir = @bindir@
sbindir = @sbindir@
libexecdir = @libexecdir@
datadir = @datadir@
sysconfdir = @sysconfdir@
sharedstatedir = @sharedstatedir@
localstatedir = @localstatedir@
libdir = @libdir@
includedir = @includedir@
oldincludedir = @oldincludedir@
infodir = @infodir@
datarootdir = @datarootdir@
docdir = @docdir@
pdfdir = @pdfdir@
htmldir = @htmldir@
mandir = @mandir@
man1dir = $(mandir)/man1
man2dir = $(mandir)/man2
man3dir = $(mandir)/man3
man4dir = $(mandir)/man4
man5dir = $(mandir)/man5
man6dir = $(mandir)/man6
man7dir = $(mandir)/man7
man8dir = $(mandir)/man8
man9dir = $(mandir)/man9

INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_DATA = @INSTALL_DATA@
LN = @LN@
LN_S = @LN_S@
MAINT = @MAINT@
MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@

# -------------------------------------------------
# Miscellaneous non-standard autoconf-set variables
# -------------------------------------------------

# The gcc driver likes to know the arguments it was configured with.
TOPLEVEL_CONFIGURE_ARGUMENTS=@TOPLEVEL_CONFIGURE_ARGUMENTS@

tooldir = @tooldir@
build_tooldir = @build_tooldir@

# This is the name of the environment variable used for the path to
# the libraries.
RPATH_ENVVAR = @RPATH_ENVVAR@

# On targets where RPATH_ENVVAR is PATH, a subdirectory of the GCC build path
# is used instead of the directory itself to avoid including built
# executables in PATH.
GCC_SHLIB_SUBDIR = @GCC_SHLIB_SUBDIR@

# Build programs are put under this directory.
BUILD_SUBDIR = @build_subdir@
# This is set by the configure script to the arguments to use when configuring
# directories built for the build system.
BUILD_CONFIGARGS = @build_configargs@ --with-build-subdir="$(BUILD_SUBDIR)"

# Linker flags to use on the host, for stage1 or when not
# bootstrapping.
STAGE1_LDFLAGS = @stage1_ldflags@

# Libraries to use on the host, for stage1 or when not bootstrapping.
STAGE1_LIBS = @stage1_libs@

# Linker flags to use for stage2 and later.
POSTSTAGE1_LDFLAGS = @poststage1_ldflags@

# Libraries to use for stage2 and later.
POSTSTAGE1_LIBS = @poststage1_libs@

# This is the list of variables to export in the environment when
# configuring any subdirectory.  It must also be exported whenever
# recursing into a build directory in case that directory's Makefile
# re-runs configure.
BASE_EXPORTS = \
	FLEX="$(FLEX)"; export FLEX; \
	LEX="$(LEX)"; export LEX; \
	BISON="$(BISON)"; export BISON; \
	YACC="$(YACC)"; export YACC; \
	M4="$(M4)"; export M4; \
	SED="$(SED)"; export SED; \
	AWK="$(AWK)"; export AWK; \
	MAKEINFO="$(MAKEINFO)"; export MAKEINFO;

# This is the list of variables to export in the environment when
# configuring subdirectories for the build system.
BUILD_EXPORTS = \
	$(BASE_EXPORTS) \
	AR="$(AR_FOR_BUILD)"; export AR; \
	AS="$(AS_FOR_BUILD)"; export AS; \
	CC="$(CC_FOR_BUILD)"; export CC; \
	CFLAGS="$(CFLAGS_FOR_BUILD)"; export CFLAGS; \
	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
	CXX="$(CXX_FOR_BUILD)"; export CXX; \
	CXXFLAGS="$(CXXFLAGS_FOR_BUILD)"; export CXXFLAGS; \
	GFORTRAN="$(GFORTRAN_FOR_BUILD)"; export GFORTRAN; \
	GOC="$(GOC_FOR_BUILD)"; export GOC; \
	GOCFLAGS="$(GOCFLAGS_FOR_BUILD)"; export GOCFLAGS; \
	DLLTOOL="$(DLLTOOL_FOR_BUILD)"; export DLLTOOL; \
	LD="$(LD_FOR_BUILD)"; export LD; \
	LDFLAGS="$(LDFLAGS_FOR_BUILD)"; export LDFLAGS; \
	NM="$(NM_FOR_BUILD)"; export NM; \
	RANLIB="$(RANLIB_FOR_BUILD)"; export RANLIB; \
	WINDRES="$(WINDRES_FOR_BUILD)"; export WINDRES; \
	WINDMC="$(WINDMC_FOR_BUILD)"; export WINDMC;

# These variables must be set on the make command line for directories
# built for the build system to override those in BASE_FLAGS_TO_PASS.
EXTRA_BUILD_FLAGS = \
	CFLAGS="$(CFLAGS_FOR_BUILD)" \
	LDFLAGS="$(LDFLAGS_FOR_BUILD)"

# This is the list of directories to built for the host system.
SUBDIRS = @configdirs@
TARGET_CONFIGDIRS = @target_configdirs@
# This is set by the configure script to the arguments to use when configuring
# directories built for the host system.
HOST_CONFIGARGS = @host_configargs@
# Host programs are put under this directory, which is . except if building
# with srcdir=..
HOST_SUBDIR = @host_subdir@
# This is the list of variables to export in the environment when
# configuring subdirectories for the host system.  We need to pass
# some to the GCC configure because of its hybrid host/target nature.
HOST_EXPORTS = \
	$(BASE_EXPORTS) \
	CC="$(CC)"; export CC; \
	ADA_CFLAGS="$(ADA_CFLAGS)"; export ADA_CFLAGS; \
	CFLAGS="$(CFLAGS)"; export CFLAGS; \
	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
	CXX="$(CXX)"; export CXX; \
	CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
	GFORTRAN="$(GFORTRAN)"; export GFORTRAN; \
	GOC="$(GOC)"; export GOC; \
	AR="$(AR)"; export AR; \
	AS="$(AS)"; export AS; \
	CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \
	DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \
	LD="$(LD)"; export LD; \
	LDFLAGS="$(STAGE1_LDFLAGS) $(LDFLAGS)"; export LDFLAGS; \
	NM="$(NM)"; export NM; \
	RANLIB="$(RANLIB)"; export RANLIB; \
	WINDRES="$(WINDRES)"; export WINDRES; \
	WINDMC="$(WINDMC)"; export WINDMC; \
	OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
	OBJDUMP="$(OBJDUMP)"; export OBJDUMP; \
	READELF="$(READELF)"; export READELF; \
	AR_FOR_TARGET="$(AR_FOR_TARGET)"; export AR_FOR_TARGET; \
	AS_FOR_TARGET="$(AS_FOR_TARGET)"; export AS_FOR_TARGET; \
	GCC_FOR_TARGET="$(GCC_FOR_TARGET)"; export GCC_FOR_TARGET; \
	LD_FOR_TARGET="$(LD_FOR_TARGET)"; export LD_FOR_TARGET; \
	NM_FOR_TARGET="$(NM_FOR_TARGET)"; export NM_FOR_TARGET; \
	OBJDUMP_FOR_TARGET="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP_FOR_TARGET; \
	OBJCOPY_FOR_TARGET="$(OBJCOPY_FOR_TARGET)"; export OBJCOPY_FOR_TARGET; \
	RANLIB_FOR_TARGET="$(RANLIB_FOR_TARGET)"; export RANLIB_FOR_TARGET; \
	READELF_FOR_TARGET="$(READELF_FOR_TARGET)"; export READELF_FOR_TARGET; \
	TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
	HOST_LIBS="$(STAGE1_LIBS)"; export HOST_LIBS; \
	GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
	GMPINC="$(HOST_GMPINC)"; export GMPINC; \
	ISLLIBS="$(HOST_ISLLIBS)"; export ISLLIBS; \
	ISLINC="$(HOST_ISLINC)"; export ISLINC; \
	LIBELFLIBS="$(HOST_LIBELFLIBS)"; export LIBELFLIBS; \
	LIBELFINC="$(HOST_LIBELFINC)"; export LIBELFINC; \
	XGCC_FLAGS_FOR_TARGET="$(XGCC_FLAGS_FOR_TARGET)"; export XGCC_FLAGS_FOR_TARGET; \
@if gcc-bootstrap
	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
@endif gcc-bootstrap
	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);

POSTSTAGE1_CXX_EXPORT = \
	CXX='$(CXX)'; export CXX; \
	CXX_FOR_BUILD='$(CXX_FOR_BUILD)'; export CXX_FOR_BUILD;
@if target-libstdc++-v3-bootstrap
# Override the above if we're bootstrapping C++.
POSTSTAGE1_CXX_EXPORT = \
	CXX="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/xg++$(exeext) \
	  -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ -nostdinc++ \
	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
	  -B$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include/$(TARGET_SUBDIR) \
	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/include \
	  `if $(LEAN); then echo ' -isystem '; else echo ' -I'; fi`$$s/libstdc++-v3/libsupc++ \
	  -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
	  -L$$r/prev-$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs"; \
	  export CXX; \
	CXX_FOR_BUILD="$$CXX"; export CXX_FOR_BUILD;
@endif target-libstdc++-v3-bootstrap

# Similar, for later GCC stages.
POSTSTAGE1_HOST_EXPORTS = \
	$(HOST_EXPORTS) \
	CC="$(STAGE_CC_WRAPPER) $$r/$(HOST_SUBDIR)/prev-gcc/xgcc$(exeext) \
	  -B$$r/$(HOST_SUBDIR)/prev-gcc/ -B$(build_tooldir)/bin/ \
	  $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
	CC_FOR_BUILD="$$CC"; export CC_FOR_BUILD; \
	$(POSTSTAGE1_CXX_EXPORT) \
	$(LTO_EXPORTS) \
	GNATBIND="$$r/$(HOST_SUBDIR)/prev-gcc/gnatbind"; export GNATBIND; \
	LDFLAGS="$(POSTSTAGE1_LDFLAGS) $(BOOT_LDFLAGS)"; export LDFLAGS; \
	HOST_LIBS="$(POSTSTAGE1_LIBS)"; export HOST_LIBS;

# Target libraries are put under this directory:
TARGET_SUBDIR = @target_subdir@
# This is set by the configure script to the arguments to use when configuring
# directories built for the target.
TARGET_CONFIGARGS = @target_configargs@ --with-target-subdir="$(TARGET_SUBDIR)"
# This is the list of variables to export in the environment when
# configuring subdirectories for the target system.
BASE_TARGET_EXPORTS = \
	$(BASE_EXPORTS) \
	AR="$(AR_FOR_TARGET)"; export AR; \
	AS="$(COMPILER_AS_FOR_TARGET)"; export AS; \
	CC="$(CC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CC; \
	CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
	CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
	CPPFLAGS="$(CPPFLAGS_FOR_TARGET)"; export CPPFLAGS; \
	CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
	GFORTRAN="$(GFORTRAN_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GFORTRAN; \
	GOC="$(GOC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export GOC; \
	DLLTOOL="$(DLLTOOL_FOR_TARGET)"; export DLLTOOL; \
	LD="$(COMPILER_LD_FOR_TARGET)"; export LD; \
	LDFLAGS="$(LDFLAGS_FOR_TARGET)"; export LDFLAGS; \
	LIPO="$(LIPO_FOR_TARGET)"; export LIPO; \
	NM="$(COMPILER_NM_FOR_TARGET)"; export NM; \
	OBJDUMP="$(OBJDUMP_FOR_TARGET)"; export OBJDUMP; \
	OBJCOPY="$(OBJCOPY_FOR_TARGET)"; export OBJCOPY; \
	RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
	READELF="$(READELF_FOR_TARGET)"; export READELF; \
	STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
	WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
	WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
@if gcc-bootstrap
	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
@endif gcc-bootstrap
	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
	TARGET_CONFIGDIRS="$(TARGET_CONFIGDIRS)"; export TARGET_CONFIGDIRS;

RAW_CXX_TARGET_EXPORTS = \
	$(BASE_TARGET_EXPORTS) \
	CXX_FOR_TARGET="$(RAW_CXX_FOR_TARGET)"; export CXX_FOR_TARGET; \
	CXX="$(RAW_CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;

NORMAL_TARGET_EXPORTS = \
	$(BASE_TARGET_EXPORTS) \
	CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;

# Where to find GMP
HOST_GMPLIBS = @gmplibs@
HOST_GMPINC = @gmpinc@

# Where to find isl
HOST_ISLLIBS = @isllibs@
HOST_ISLINC = @islinc@

# Where to find libelf
HOST_LIBELFLIBS = @libelflibs@
HOST_LIBELFINC = @libelfinc@

# ----------------------------------------------
# Programs producing files for the BUILD machine
# ----------------------------------------------

SHELL = @SHELL@

# pwd command to use.  Allow user to override default by setting PWDCMD in
# the environment to account for automounters.  The make variable must not
# be called PWDCMD, otherwise the value set here is passed to make
# subprocesses and overrides the setting from the user's environment.
# Don't use PWD since it is a common shell environment variable and we
# don't want to corrupt it.
PWD_COMMAND = $${PWDCMD-pwd}

# compilers to use to create programs which must be run in the build
# environment.
AR_FOR_BUILD = @AR_FOR_BUILD@
AS_FOR_BUILD = @AS_FOR_BUILD@
CC_FOR_BUILD = @CC_FOR_BUILD@
CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@
CXXFLAGS_FOR_BUILD = @CXXFLAGS_FOR_BUILD@
CXX_FOR_BUILD = @CXX_FOR_BUILD@
DLLTOOL_FOR_BUILD = @DLLTOOL_FOR_BUILD@
GFORTRAN_FOR_BUILD = @GFORTRAN_FOR_BUILD@
GOC_FOR_BUILD = @GOC_FOR_BUILD@
LDFLAGS_FOR_BUILD = @LDFLAGS_FOR_BUILD@
LD_FOR_BUILD = @LD_FOR_BUILD@
NM_FOR_BUILD = @NM_FOR_BUILD@
RANLIB_FOR_BUILD = @RANLIB_FOR_BUILD@
WINDMC_FOR_BUILD = @WINDMC_FOR_BUILD@
WINDRES_FOR_BUILD = @WINDRES_FOR_BUILD@

# Special variables passed down in EXTRA_GCC_FLAGS.  They are defined
# here so that they can be overridden by Makefile fragments.
BUILD_PREFIX = @BUILD_PREFIX@
BUILD_PREFIX_1 = @BUILD_PREFIX_1@

# Flags to pass to stage2 and later makes.  They are defined
# here so that they can be overridden by Makefile fragments.
BOOT_CFLAGS= -g -O2
BOOT_LDFLAGS=
BOOT_ADAFLAGS= -gnatpg

AWK = @AWK@
SED = @SED@
BISON = @BISON@
YACC = @YACC@
FLEX = @FLEX@
LEX = @LEX@
M4 = @M4@
MAKEINFO = @MAKEINFO@
EXPECT = @EXPECT@
RUNTEST = @RUNTEST@

AUTO_PROFILE = gcc-auto-profile -c 1000000

# This just becomes part of the MAKEINFO definition passed down to
# sub-makes.  It lets flags be given on the command line while still
# using the makeinfo from the object tree.
# (Default to avoid splitting info files by setting the threshold high.)
MAKEINFOFLAGS = --split-size=5000000

# ---------------------------------------------
# Programs producing files for the HOST machine
# ---------------------------------------------

AS = @AS@
AR = @AR@
AR_FLAGS = rc
CC = @CC@
CXX = @CXX@
DLLTOOL = @DLLTOOL@
LD = @LD@
LIPO = @LIPO@
NM = @NM@
OBJDUMP = @OBJDUMP@
RANLIB = @RANLIB@
READELF = @READELF@
STRIP = @STRIP@
WINDRES = @WINDRES@
WINDMC = @WINDMC@

GNATBIND = @GNATBIND@
GNATMAKE = @GNATMAKE@

CFLAGS = @CFLAGS@
LDFLAGS = @LDFLAGS@
LIBCFLAGS = $(CFLAGS)
CXXFLAGS = @CXXFLAGS@
LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
GOCFLAGS = $(CFLAGS)

CREATE_GCOV = create_gcov

TFLAGS =

# Defaults for all stages; some are overridden below.

STAGE_CFLAGS = $(BOOT_CFLAGS)
STAGE_TFLAGS = $(TFLAGS)
STAGE_CONFIGURE_FLAGS=@stage2_werror_flag@

[+ FOR bootstrap-stage +]
# Defaults for stage [+id+]; some are overridden below.
STAGE[+id+]_CFLAGS = $(STAGE_CFLAGS)
STAGE[+id+]_CXXFLAGS = $(CXXFLAGS)
@if target-libstdc++-v3-bootstrap
# Override the above if we're bootstrapping C++.
STAGE[+id+]_CXXFLAGS = $(STAGE[+id+]_CFLAGS)
@endif target-libstdc++-v3-bootstrap
STAGE[+id+]_TFLAGS = $(STAGE_TFLAGS)
STAGE[+id+]_CONFIGURE_FLAGS = $(STAGE_CONFIGURE_FLAGS)
[+ ENDFOR bootstrap-stage +]

# By default, C and C++ are the only stage1 languages, because they are the
# only ones we require to build with the bootstrap compiler, and also the
# only ones useful for building stage2.

STAGE1_CFLAGS = @stage1_cflags@
STAGE1_CHECKING = @stage1_checking@
STAGE1_LANGUAGES = @stage1_languages@
# * We force-disable intermodule optimizations, even if
#   --enable-intermodule was passed, since the installed compiler
#   probably can't handle them.  Luckily, autoconf always respects
#   the last argument when conflicting --enable arguments are passed.
# * Likewise, we force-disable coverage flags, since the installed
#   compiler probably has never heard of them.
# * We also disable -Wformat, since older GCCs don't understand newer %s.
STAGE1_CONFIGURE_FLAGS = --disable-intermodule $(STAGE1_CHECKING) \
	  --disable-coverage --enable-languages="$(STAGE1_LANGUAGES)" \
	  --disable-build-format-warnings

STAGEprofile_CFLAGS = $(STAGE2_CFLAGS) -fprofile-generate
STAGEprofile_TFLAGS = $(STAGE2_TFLAGS)

STAGEfeedback_CFLAGS = $(STAGE3_CFLAGS) -fprofile-use
STAGEfeedback_TFLAGS = $(STAGE3_TFLAGS)

STAGEautoprofile_CFLAGS = $(STAGE2_CFLAGS) -g
STAGEautoprofile_TFLAGS = $(STAGE2_TFLAGS)

STAGEautofeedback_CFLAGS = $(STAGE3_CFLAGS)
STAGEautofeedback_TFLAGS = $(STAGE3_TFLAGS)

do-compare = @do_compare@
do-compare3 = $(do-compare)

# -----------------------------------------------
# Programs producing files for the TARGET machine
# -----------------------------------------------

AR_FOR_TARGET=@AR_FOR_TARGET@
AS_FOR_TARGET=@AS_FOR_TARGET@
CC_FOR_TARGET=$(STAGE_CC_WRAPPER) @CC_FOR_TARGET@

# If GCC_FOR_TARGET is not overriden on the command line, then this
# variable is passed down to the gcc Makefile, where it is used to
# build libgcc2.a.  We define it here so that it can itself be
# overridden on the command line.
GCC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GCC_FOR_TARGET@
CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @CXX_FOR_TARGET@
RAW_CXX_FOR_TARGET=$(STAGE_CC_WRAPPER) @RAW_CXX_FOR_TARGET@
GFORTRAN_FOR_TARGET=$(STAGE_CC_WRAPPER) @GFORTRAN_FOR_TARGET@
GOC_FOR_TARGET=$(STAGE_CC_WRAPPER) @GOC_FOR_TARGET@
DLLTOOL_FOR_TARGET=@DLLTOOL_FOR_TARGET@
LD_FOR_TARGET=@LD_FOR_TARGET@

LIPO_FOR_TARGET=@LIPO_FOR_TARGET@
NM_FOR_TARGET=@NM_FOR_TARGET@
OBJDUMP_FOR_TARGET=@OBJDUMP_FOR_TARGET@
OBJCOPY_FOR_TARGET=@OBJCOPY_FOR_TARGET@
RANLIB_FOR_TARGET=@RANLIB_FOR_TARGET@
READELF_FOR_TARGET=@READELF_FOR_TARGET@
STRIP_FOR_TARGET=@STRIP_FOR_TARGET@
WINDRES_FOR_TARGET=@WINDRES_FOR_TARGET@
WINDMC_FOR_TARGET=@WINDMC_FOR_TARGET@

COMPILER_AS_FOR_TARGET=@COMPILER_AS_FOR_TARGET@
COMPILER_LD_FOR_TARGET=@COMPILER_LD_FOR_TARGET@
COMPILER_NM_FOR_TARGET=@COMPILER_NM_FOR_TARGET@

CFLAGS_FOR_TARGET = @CFLAGS_FOR_TARGET@
CXXFLAGS_FOR_TARGET = @CXXFLAGS_FOR_TARGET@

LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
LDFLAGS_FOR_TARGET = @LDFLAGS_FOR_TARGET@
GOCFLAGS_FOR_TARGET = -O2 -g

FLAGS_FOR_TARGET = @FLAGS_FOR_TARGET@
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
DEBUG_PREFIX_CFLAGS_FOR_TARGET = @DEBUG_PREFIX_CFLAGS_FOR_TARGET@

XGCC_FLAGS_FOR_TARGET = $(FLAGS_FOR_TARGET) $(SYSROOT_CFLAGS_FOR_TARGET) $(DEBUG_PREFIX_CFLAGS_FOR_TARGET)

# ------------------------------------
# Miscellaneous targets and flag lists
# ------------------------------------

# The first rule in the file had better be this one.  Don't put any above it.
# This lives here to allow makefile fragments to contain dependencies.
all:

#### host and target specific makefile fragments come in here.
@target_makefile_frag@
@alphaieee_frag@
@ospace_frag@
@host_makefile_frag@
###

# This is the list of directories that may be needed in RPATH_ENVVAR
# so that programs built for the target machine work.
TARGET_LIB_PATH = [+ FOR target_modules +][+
  IF lib_path +]$(TARGET_LIB_PATH_[+module+])[+ ENDIF lib_path +][+
  ENDFOR target_modules +]$(HOST_LIB_PATH_gcc)
[+ FOR target_modules +][+ IF lib_path +]
@if target-[+module+]
TARGET_LIB_PATH_[+module+] = $$r/$(TARGET_SUBDIR)/[+module+]/[+lib_path+]:
@endif target-[+module+]
[+ ENDIF lib_path +][+ ENDFOR target_modules +]


# This is the list of directories that may be needed in RPATH_ENVVAR
# so that programs built for the host machine work.
HOST_LIB_PATH = [+ FOR host_modules +][+
  IF lib_path +]$(HOST_LIB_PATH_[+module+])[+ ENDIF lib_path +][+
  ENDFOR host_modules +]

# Define HOST_LIB_PATH_gcc here, for the sake of TARGET_LIB_PATH, ouch
@if gcc
HOST_LIB_PATH_gcc = $$r/$(HOST_SUBDIR)/gcc$(GCC_SHLIB_SUBDIR):$$r/$(HOST_SUBDIR)/prev-gcc$(GCC_SHLIB_SUBDIR):
@endif gcc

[+ FOR host_modules +][+ IF lib_path +]
@if [+module+]
HOST_LIB_PATH_[+module+] = \
  $$r/$(HOST_SUBDIR)/[+module+]/[+lib_path+]:[+ IF bootstrap
  +]$$r/$(HOST_SUBDIR)/prev-[+module+]/[+lib_path+]:[+ ENDIF bootstrap +]
@endif [+module+]
[+ ENDIF lib_path +][+ ENDFOR host_modules +]

CXX_FOR_TARGET_FLAG_TO_PASS = \
	"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"
@if target-libstdc++-v3
# CXX_FOR_TARGET is tricky to get right for target libs that require a
# functional C++ compiler.  When we recurse, if we expand
# CXX_FOR_TARGET before configuring libstdc++-v3, we won't get
# libstdc++ include flags from the script.  Instead, we get an
# -funconfigured-* word, so that we'll get errors if this invalid C++
# command line is used for anything, but also so that we can use the
# word to decide whether or not to pass on this CXX_FOR_TARGET.  If we
# don't pass it on, sub-make will use the default definition, that
# re-expands it at the time of use, so we'll get it right when we need
# it.  One potential exception is the expansion of CXX_FOR_TARGET
# passed down as part of CXX within TARGET_FLAGS, but this wouldn't
# really work, for C++ host programs can't depend on the current-stage
# C++ target library.
CXX_FOR_TARGET_FLAG_TO_PASS = \
	$(shell if echo "$(CXX_FOR_TARGET)" | grep " -funconfigured-" > /dev/null; then :; else echo '"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"'; fi)
@endif target-libstdc++-v3

# Flags to pass down to all sub-makes. STAGE*FLAGS,
# MAKEINFO and MAKEINFOFLAGS are explicitly passed here to make them
# overrideable (for a bootstrap build stage1 also builds gcc.info).
BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \
	"`echo '[+flag+]=$([+flag+])' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"[+ ELSE optional +] \
	"[+flag+]=$([+flag+])"[+ ENDIF optional+][+ ENDFOR flags_to_pass +][+ FOR bootstrap-stage +] \
	"STAGE[+id+]_CFLAGS=$(STAGE[+id+]_CFLAGS)" \
	"STAGE[+id+]_CXXFLAGS=$(STAGE[+id+]_CXXFLAGS)" \
	"STAGE[+id+]_TFLAGS=$(STAGE[+id+]_TFLAGS)"[+ ENDFOR bootstrap-stage +] \
	$(CXX_FOR_TARGET_FLAG_TO_PASS) \
	"TFLAGS=$(TFLAGS)" \
	"CONFIG_SHELL=$(SHELL)" \
	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
	$(if $(LSAN_OPTIONS),"LSAN_OPTIONS=$(LSAN_OPTIONS)")

# We leave this in just in case, but it is not needed anymore.
RECURSE_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS)

# Flags to pass down to most sub-makes, in which we're building with
# the host environment.
EXTRA_HOST_FLAGS = \
	'AR=$(AR)' \
	'AS=$(AS)' \
	'CC=$(CC)' \
	'CXX=$(CXX)' \
	'DLLTOOL=$(DLLTOOL)' \
	'GFORTRAN=$(GFORTRAN)' \
	'GOC=$(GOC)' \
	'LD=$(LD)' \
	'LIPO=$(LIPO)' \
	'NM=$(NM)' \
	'OBJDUMP=$(OBJDUMP)' \
	'RANLIB=$(RANLIB)' \
	'READELF=$(READELF)' \
	'STRIP=$(STRIP)' \
	'WINDRES=$(WINDRES)' \
	'WINDMC=$(WINDMC)' \
	'CREATE_GCOV=$(CREATE_GCOV)'

FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS)

# Flags to pass to stage1 or when not bootstrapping.

STAGE1_FLAGS_TO_PASS = \
	LDFLAGS="$${LDFLAGS}" \
	HOST_LIBS="$${HOST_LIBS}"

# Flags to pass to stage2 and later makes.

POSTSTAGE1_FLAGS_TO_PASS = \
	CC="$${CC}" CC_FOR_BUILD="$${CC_FOR_BUILD}" \
	CXX="$${CXX}" CXX_FOR_BUILD="$${CXX_FOR_BUILD}" \
	GNATBIND="$${GNATBIND}" \
	LDFLAGS="$${LDFLAGS}" \
	HOST_LIBS="$${HOST_LIBS}" \
	$(LTO_FLAGS_TO_PASS) \
	"`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"

@if gcc-bootstrap
EXTRA_HOST_EXPORTS = if [ $(current_stage) != stage1 ]; then \
		       $(POSTSTAGE1_HOST_EXPORTS) \
		     fi;

EXTRA_BOOTSTRAP_FLAGS = CC="$$CC" CXX="$$CXX" LDFLAGS="$$LDFLAGS"
@endif gcc-bootstrap

# Flags to pass down to makes which are built with the target environment.
# The double $ decreases the length of the command line; those variables
# are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
# *_CFLAGS_FOR_TARGET variables are not passed down and most often empty,
# so we expand them here.
EXTRA_TARGET_FLAGS = \
	'AR=$$(AR_FOR_TARGET)' \
	'AS=$(COMPILER_AS_FOR_TARGET)' \
	'CC=$$(CC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'CFLAGS=$$(CFLAGS_FOR_TARGET)' \
	'CXX=$$(CXX_FOR_TARGET) -B$$r/$$(TARGET_SUBDIR)/libstdc++-v3/src/.libs \
	 -B$$r/$$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs \
	 $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'CXXFLAGS=$$(CXXFLAGS_FOR_TARGET)' \
	'DLLTOOL=$$(DLLTOOL_FOR_TARGET)' \
	'GFORTRAN=$$(GFORTRAN_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'GOC=$$(GOC_FOR_TARGET) $$(XGCC_FLAGS_FOR_TARGET) $$(TFLAGS)' \
	'GOCFLAGS=$$(GOCFLAGS_FOR_TARGET)' \
	'LD=$(COMPILER_LD_FOR_TARGET)' \
	'LDFLAGS=$$(LDFLAGS_FOR_TARGET)' \
	'LIBCFLAGS=$$(LIBCFLAGS_FOR_TARGET)' \
	'LIBCXXFLAGS=$$(LIBCXXFLAGS_FOR_TARGET)' \
	'NM=$(COMPILER_NM_FOR_TARGET)' \
	'OBJDUMP=$$(OBJDUMP_FOR_TARGET)' \
	'OBJCOPY=$$(OBJCOPY_FOR_TARGET)' \
	'RANLIB=$$(RANLIB_FOR_TARGET)' \
	'READELF=$$(READELF_FOR_TARGET)' \
	'WINDRES=$$(WINDRES_FOR_TARGET)' \
	'WINDMC=$$(WINDMC_FOR_TARGET)' \
	'XGCC_FLAGS_FOR_TARGET=$(XGCC_FLAGS_FOR_TARGET)' \
	'STAGE1_LDFLAGS=$$(POSTSTAGE1_LDFLAGS)' \
	'STAGE1_LIBS=$$(POSTSTAGE1_LIBS)' \
	"TFLAGS=$$TFLAGS"

TARGET_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)

# Flags to pass down to gcc.  gcc builds a library, libgcc.a, so it
# unfortunately needs the native compiler and the target ar and
# ranlib.
# If any variables are added here, they must be added to do-*, below.
# The BUILD_* variables are a special case, which are used for the gcc
# cross-building scheme.
EXTRA_GCC_FLAGS = \
	"GCC_FOR_TARGET=$(GCC_FOR_TARGET)" \
	"`echo 'STMP_FIXPROTO=$(STMP_FIXPROTO)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`" \
	"`echo 'LIMITS_H_TEST=$(LIMITS_H_TEST)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"

GCC_FLAGS_TO_PASS = $(BASE_FLAGS_TO_PASS) $(EXTRA_HOST_FLAGS) $(EXTRA_GCC_FLAGS)

@if gcc
BUILD_CONFIG = @BUILD_CONFIG@
ifneq ($(BUILD_CONFIG),)
include $(foreach CONFIG, $(BUILD_CONFIG), $(srcdir)/config/$(CONFIG).mk)
endif
@endif gcc

.PHONY: configure-host
configure-host: [+
  FOR host_modules +] \
    maybe-configure-[+module+][+
  ENDFOR host_modules +]
.PHONY: configure-target
configure-target: [+
  FOR target_modules +] \
    maybe-configure-target-[+module+][+
  ENDFOR target_modules +]

# The target built for a native non-bootstrap build.
.PHONY: all
all:
@if gcc-bootstrap
	[ -f stage_final ] || echo stage3 > stage_final
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) `cat stage_final`-bubble
@endif gcc-bootstrap
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@if gcc-bootstrap
	if [ -f stage_last ]; then \
	  TFLAGS="$(STAGE$(shell test ! -f stage_last || sed s,^stage,, stage_last)_TFLAGS)"; \
	  $(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target; \
	else \
@endif gcc-bootstrap
	  $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target \
@if gcc-bootstrap
	    ; \
	fi \
@endif gcc-bootstrap
	&& :

.PHONY: all-build
[+ FOR build_modules +]
all-build: maybe-all-build-[+module+][+ ENDFOR build_modules +]

.PHONY: all-host
[+ FOR host_modules +][+ IF bootstrap +]
@if [+module+]-no-bootstrap[+ ENDIF bootstrap +]
all-host: maybe-all-[+module+][+ IF bootstrap +]
@endif [+module+]-no-bootstrap[+ ENDIF bootstrap +][+ ENDFOR host_modules +]

.PHONY: all-target
[+ FOR target_modules +][+ IF bootstrap +]
@if target-[+module+]-no-bootstrap[+ ENDIF bootstrap +]
all-target: maybe-all-target-[+module+][+ IF bootstrap +]
@endif target-[+module+]-no-bootstrap[+
  ENDIF bootstrap +][+ ENDFOR target_modules +]

# Do a target for all the subdirectories.  A ``make do-X'' will do a
# ``make X'' in all subdirectories (because, in general, there is a
# dependency (below) of X upon do-X, a ``make X'' will also do this,
# but it may do additional work as well).
[+ FOR recursive_targets +]
.PHONY: do-[+make_target+]
do-[+make_target+]:
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) [+make_target+]-host \
	  [+make_target+]-target


.PHONY: [+make_target+]-host
[+ FOR host_modules +]
[+make_target+]-host: maybe-[+make_target+]-[+module+][+ ENDFOR host_modules +]

.PHONY: [+make_target+]-target
[+ FOR target_modules +]
[+make_target+]-target: maybe-[+make_target+]-target-[+module+][+ ENDFOR target_modules +]
[+ ENDFOR recursive_targets +]

# Here are the targets which correspond to the do-X targets.

.PHONY: info installcheck dvi pdf html
.PHONY: install-info install-pdf install-html
.PHONY: clean distclean mostlyclean maintainer-clean realclean
.PHONY: local-clean local-distclean local-maintainer-clean
info: do-info
installcheck: do-installcheck
dvi: do-dvi
pdf: do-pdf
html: do-html

# Make sure makeinfo is built before we do a `make info', if we're
# in fact building texinfo.
do-info: maybe-all-texinfo

install-info: do-install-info dir.info
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	if [ -f dir.info ]; then \
	  $(INSTALL_DATA) dir.info $(DESTDIR)$(infodir)/dir.info; \
	else true; fi

install-pdf: do-install-pdf

install-html: do-install-html

local-clean:
	-rm -f *.a TEMP errs core *.o *~ \#* TAGS *.E *.log

local-distclean:
	-rm -f Makefile config.status config.cache mh-frag mt-frag
	-rm -f maybedep.tmp serdep.tmp stage_final
	-if [ "$(TARGET_SUBDIR)" != "." ]; then \
	  rm -rf $(TARGET_SUBDIR); \
	else true; fi
	-rm -rf $(BUILD_SUBDIR)
	-if [ "$(HOST_SUBDIR)" != "." ]; then \
	  rm -rf $(HOST_SUBDIR); \
	else true; fi
	-rm -f texinfo/po/Makefile texinfo/po/Makefile.in texinfo/info/Makefile
	-rm -f texinfo/doc/Makefile texinfo/po/POTFILES
	-rmdir texinfo/doc texinfo/info texinfo/intl texinfo/lib 2>/dev/null
	-rmdir texinfo/makeinfo texinfo/po texinfo/util 2>/dev/null
	-rmdir fastjar gcc gnattools gotools libcc1 libiberty 2>/dev/null
	-rmdir texinfo zlib 2>/dev/null
	-find . -name config.cache -exec rm -f {} \; \; 2>/dev/null

local-maintainer-clean:
	@echo "This command is intended for maintainers to use;"
	@echo "it deletes files that may require special tools to rebuild."

clean: do-clean local-clean
mostlyclean: do-mostlyclean local-clean
distclean: do-distclean local-clean local-distclean
maintainer-clean: local-maintainer-clean do-maintainer-clean local-clean 
maintainer-clean: local-distclean
realclean: maintainer-clean

# Check target.

.PHONY: check do-check
check: do-check

# Only include modules actually being configured and built.
.PHONY: check-host
check-host: [+
  FOR host_modules +] \
    maybe-check-[+module+][+
  ENDFOR host_modules +]

.PHONY: check-target
check-target: [+
  FOR target_modules +] \
    maybe-check-target-[+module+][+
  ENDFOR target_modules +]

do-check:
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) check-host check-target

# Automated reporting of test results.

warning.log: build.log
	$(srcdir)/contrib/warn_summary build.log > $@

mail-report.log:
	if test x'$(BOOT_CFLAGS)' != x''; then \
	    BOOT_CFLAGS='$(BOOT_CFLAGS)'; export BOOT_CFLAGS; \
	fi; \
	$(srcdir)/contrib/test_summary -t >$@
	chmod +x $@
	echo If you really want to send e-mail, run ./$@ now

mail-report-with-warnings.log: warning.log
	if test x'$(BOOT_CFLAGS)' != x''; then \
	    BOOT_CFLAGS='$(BOOT_CFLAGS)'; export BOOT_CFLAGS; \
	fi; \
	$(srcdir)/contrib/test_summary -t -i warning.log >$@
	chmod +x $@
	echo If you really want to send e-mail, run ./$@ now

# Local Vim config

$(srcdir)/.local.vimrc:
	$(LN_S) contrib/vimrc $@

$(srcdir)/.lvimrc:
	$(LN_S) contrib/vimrc $@

vimrc: $(srcdir)/.local.vimrc $(srcdir)/.lvimrc

.PHONY: vimrc

# clang-format config

$(srcdir)/.clang-format:
	$(LN_S) contrib/clang-format $@

clang-format: $(srcdir)/.clang-format

.PHONY: clang-format

# Installation targets.

.PHONY: install uninstall
install:
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-host install-target

.PHONY: install-host-nogcc
install-host-nogcc: [+
  FOR host_modules +][+ IF (not (= (get "module") "gcc")) +] \
    maybe-install-[+module+][+ ENDIF +][+
  ENDFOR host_modules +]

.PHONY: install-host
install-host: [+
  FOR host_modules +] \
    maybe-install-[+module+][+
  ENDFOR host_modules +]

.PHONY: install-target
install-target: [+
  FOR target_modules +] \
    maybe-install-target-[+module+][+
  ENDFOR target_modules +]

uninstall:
	@echo "the uninstall target is not supported in this tree"

.PHONY: install.all
install.all: install-no-fixedincludes
	@if [ -f ./gcc/Makefile ]; then \
		r=`${PWD_COMMAND}`; export r; \
		s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
		$(HOST_EXPORTS) \
		(cd ./gcc && \
		$(MAKE) $(FLAGS_TO_PASS) install-headers); \
	else \
		true; \
	fi

# install-no-fixedincludes is used to allow the elaboration of binary packages
# suitable for distribution, where we cannot include the fixed system header
# files.
.PHONY: install-no-fixedincludes
install-no-fixedincludes: installdirs install-host-nogcc \
	install-target gcc-install-no-fixedincludes

.PHONY: install-strip
install-strip:
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) installdirs install-strip-host install-strip-target

.PHONY: install-strip-host
install-strip-host: [+
  FOR host_modules +] \
    maybe-install-strip-[+module+][+
  ENDFOR host_modules +]

.PHONY: install-strip-target
install-strip-target: [+
  FOR target_modules +] \
    maybe-install-strip-target-[+module+][+
  ENDFOR target_modules +]


### other supporting targets

MAKEDIRS= \
	$(DESTDIR)$(prefix) \
	$(DESTDIR)$(exec_prefix)
.PHONY: installdirs
installdirs: mkinstalldirs
	$(SHELL) $(srcdir)/mkinstalldirs $(MAKEDIRS)

dir.info: do-install-info
	if [ -f $(srcdir)/texinfo/gen-info-dir ]; then \
	  $(srcdir)/texinfo/gen-info-dir $(DESTDIR)$(infodir) $(srcdir)/texinfo/dir.info-template > dir.info.new; \
	  mv -f dir.info.new dir.info; \
	else true; \
	fi

dist:
	@echo "Building a full distribution of this tree isn't done"
	@echo "via 'make dist'.  Check out the etc/ subdirectory" 

etags tags: TAGS

# Right now this just builds TAGS in each subdirectory.  emacs19 has the
# ability to use several tags files at once, so there is probably no need
# to combine them into one big TAGS file (like CVS 1.3 does).  We could
# (if we felt like it) have this Makefile write a piece of elisp which
# the user could load to tell emacs19 where all the TAGS files we just
# built are.
TAGS: do-TAGS

# ------------------------------------
# Macros for configure and all targets
# ------------------------------------

[+ DEFINE configure +]
.PHONY: configure-[+prefix+][+module+] maybe-configure-[+prefix+][+module+]
maybe-configure-[+prefix+][+module+]:
@if gcc-bootstrap
configure-[+prefix+][+module+]: stage_current
@endif gcc-bootstrap
@if [+prefix+][+module+]
maybe-configure-[+prefix+][+module+]: configure-[+prefix+][+module+]
configure-[+prefix+][+module+]: [+ IF bootstrap +][+ ELSE +]
	@: $(MAKE); $(unstage)[+ ENDIF bootstrap +]
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	[+ IF check_multilibs
	+]echo "Checking multilib configuration for [+module+]..."; \
	$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+]; \
	$(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null; \
	if test -r [+subdir+]/[+module+]/multilib.out; then \
	  if cmp -s [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; then \
	    rm -f [+subdir+]/[+module+]/multilib.tmp; \
	  else \
	    rm -f [+subdir+]/[+module+]/Makefile; \
	    mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
	  fi; \
	else \
	  mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
	fi; \
	[+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
	$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+]; \
	[+exports+] [+extra_exports+] \
	echo Configuring in [+subdir+]/[+module+]; \
	cd "[+subdir+]/[+module+]" || exit 1; \
	case $(srcdir) in \
	  /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
	  *) topdir=`echo [+subdir+]/[+module+]/ | \
		sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
	esac; \
	module_srcdir=[+? module_srcdir (get "module_srcdir") (get "module")+]; \
	[+ IF no-config-site +]rm -f no-such-file || : ; \
	CONFIG_SITE=no-such-file [+ ENDIF +]$(SHELL) \
	  $$s/$$module_srcdir/configure \
	  --srcdir=$${topdir}/$$module_srcdir \
	  [+args+] --build=${build_alias} --host=[+host_alias+] \
	  --target=[+target_alias+] [+extra_configure_flags+] \
	  || exit 1
@endif [+prefix+][+module+]

[+ IF bootstrap +]
[+ FOR bootstrap_stage +]
.PHONY: configure-stage[+id+]-[+prefix+][+module+] maybe-configure-stage[+id+]-[+prefix+][+module+]
maybe-configure-stage[+id+]-[+prefix+][+module+]:
@if [+prefix+][+module+]-bootstrap
maybe-configure-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
configure-stage[+id+]-[+prefix+][+module+]:
	@[ $(current_stage) = stage[+id+] ] || $(MAKE) stage[+id+]-start
	@$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+]
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
	[+ IF check_multilibs
	+]echo "Checking multilib configuration for [+module+]..."; \
	$(CC_FOR_TARGET) --print-multi-lib > [+subdir+]/[+module+]/multilib.tmp 2> /dev/null; \
	if test -r [+subdir+]/[+module+]/multilib.out; then \
	  if cmp -s [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; then \
	    rm -f [+subdir+]/[+module+]/multilib.tmp; \
	  else \
	    rm -f [+subdir+]/[+module+]/Makefile; \
	    mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
	  fi; \
	else \
	  mv [+subdir+]/[+module+]/multilib.tmp [+subdir+]/[+module+]/multilib.out; \
	fi; \
	[+ ENDIF check_multilibs +]test ! -f [+subdir+]/[+module+]/Makefile || exit 0; \
	[+exports+][+ IF prev +] \
	[+poststage1_exports+][+ ENDIF prev +][+ IF prefix +] \
	CFLAGS="$(CFLAGS_FOR_TARGET)"; export CFLAGS; \
	CXXFLAGS="$(CXXFLAGS_FOR_TARGET)"; export CXXFLAGS; \
	LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"; export LIBCFLAGS;[+ ELSE prefix +] \
	CFLAGS="$(STAGE[+id+]_CFLAGS)"; export CFLAGS; \
	CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"; export CXXFLAGS;[+ IF prev +] \
	LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
	LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +]; export LIBCFLAGS;[+
  ENDIF prefix +] [+extra_exports+] \
	echo Configuring stage [+id+] in [+subdir+]/[+module+]; \
	$(SHELL) $(srcdir)/mkinstalldirs [+subdir+]/[+module+]; \
	cd [+subdir+]/[+module+] || exit 1; \
	case $(srcdir) in \
	  /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
	  *) topdir=`echo [+subdir+]/[+module+]/ | \
		sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
	esac; \
	module_srcdir=[+? module_srcdir (get "module_srcdir") (get "module")+]; \
	$(SHELL) $$s/$$module_srcdir/configure \
	  --srcdir=$${topdir}/$$module_srcdir \
	  [+args+] --build=${build_alias} --host=[+host_alias+] \
	  --target=[+target_alias+] \
	  [+ IF prev +]--with-build-libsubdir=$(HOST_SUBDIR)[+ ENDIF prev +] \
	  $(STAGE[+id+]_CONFIGURE_FLAGS)[+ IF extra_configure_flags +] \
	  [+extra_configure_flags+][+ ENDIF extra_configure_flags +]
@endif [+prefix+][+module+]-bootstrap
[+ ENDFOR bootstrap_stage +]
[+ ENDIF bootstrap +]
[+ ENDDEF +]

[+ DEFINE all +]
.PHONY: all-[+prefix+][+module+] maybe-all-[+prefix+][+module+]
maybe-all-[+prefix+][+module+]:
@if gcc-bootstrap
all-[+prefix+][+module+]: stage_current
@endif gcc-bootstrap
@if [+prefix+][+module+]
TARGET-[+prefix+][+module+]=[+
  IF all_target +][+all_target+][+ ELSE +]all[+ ENDIF all_target +]
maybe-all-[+prefix+][+module+]: all-[+prefix+][+module+]
all-[+prefix+][+module+]: configure-[+prefix+][+module+][+ IF bootstrap +][+ ELSE +]
	@: $(MAKE); $(unstage)[+ ENDIF bootstrap +]
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	[+exports+] [+extra_exports+] \
	(cd [+subdir+]/[+module+] && \
	  $(MAKE) $(BASE_FLAGS_TO_PASS) [+args+] [+stage1_args+] [+extra_make_flags+] \
		$(TARGET-[+prefix+][+module+]))
@endif [+prefix+][+module+]

[+ IF bootstrap +]
[+ FOR bootstrap_stage +]
.PHONY: all-stage[+id+]-[+prefix+][+module+] maybe-all-stage[+id+]-[+prefix+][+module+]
.PHONY: clean-stage[+id+]-[+prefix+][+module+] maybe-clean-stage[+id+]-[+prefix+][+module+]
maybe-all-stage[+id+]-[+prefix+][+module+]:
maybe-clean-stage[+id+]-[+prefix+][+module+]:
@if [+prefix+][+module+]-bootstrap
maybe-all-stage[+id+]-[+prefix+][+module+]: all-stage[+id+]-[+prefix+][+module+]
all-stage[+id+]: all-stage[+id+]-[+prefix+][+module+]
TARGET-stage[+id+]-[+prefix+][+module+] = $(TARGET-[+prefix+][+module+])
all-stage[+id+]-[+prefix+][+module+]: configure-stage[+id+]-[+prefix+][+module+]
	@[ $(current_stage) = stage[+id+] ] || $(MAKE) stage[+id+]-start
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
	[+exports+][+ IF prev +] \
	[+poststage1_exports+][+ ENDIF prev +] [+extra_exports+] \
	cd [+subdir+]/[+module+] && \
	[+autoprofile+] \
	$(MAKE) $(BASE_FLAGS_TO_PASS)[+ IF prefix +] \
		CFLAGS="$(CFLAGS_FOR_TARGET)" \
		CXXFLAGS="$(CXXFLAGS_FOR_TARGET)" \
		LIBCFLAGS="$(LIBCFLAGS_FOR_TARGET)"[+ ELSE prefix +] \
		CFLAGS="$(STAGE[+id+]_CFLAGS)" \
		CXXFLAGS="$(STAGE[+id+]_CXXFLAGS)"[+ IF prev +] \
		LIBCFLAGS="$(STAGE[+id+]_CFLAGS)"[+ ELSE prev +] \
		LIBCFLAGS="$(LIBCFLAGS)"[+ ENDIF prev +][+ ENDIF prefix +] \
		CFLAGS_FOR_TARGET="$(CFLAGS_FOR_TARGET)" \
		CXXFLAGS_FOR_TARGET="$(CXXFLAGS_FOR_TARGET)" \
		LIBCFLAGS_FOR_TARGET="$(LIBCFLAGS_FOR_TARGET)" \
		[+args+] [+IF prev +][+poststage1_args+][+ ELSE prev +] \
		[+stage1_args+][+ ENDIF prev +] [+extra_make_flags+] \
		TFLAGS="$(STAGE[+id+]_TFLAGS)" [+profile_data+] \
		$(TARGET-stage[+id+]-[+prefix+][+module+])

maybe-clean-stage[+id+]-[+prefix+][+module+]: clean-stage[+id+]-[+prefix+][+module+]
clean-stage[+id+]: clean-stage[+id+]-[+prefix+][+module+]
clean-stage[+id+]-[+prefix+][+module+]:
	@if [ $(current_stage) = stage[+id+] ]; then \
	  [ -f [+subdir+]/[+module+]/Makefile ] || exit 0; \
	else \
	  [ -f [+subdir+]/stage[+id+]-[+module+]/Makefile ] || exit 0; \
	  $(MAKE) stage[+id+]-start; \
	fi; \
	cd [+subdir+]/[+module+] && \
	$(MAKE) [+args+] [+ IF prev +][+poststage1_args+][+ ELSE prev +] \
	[+stage1_args+][+ ENDIF prev +] [+extra_make_flags+] clean
@endif [+prefix+][+module+]-bootstrap

[+ ENDFOR bootstrap_stage +]
[+ ENDIF bootstrap +]
[+ ENDDEF +]

# --------------------------------------
# Modules which run on the build machine
# --------------------------------------
[+ FOR build_modules +]
[+ configure prefix="build-" subdir="$(BUILD_SUBDIR)" exports="$(BUILD_EXPORTS)"
	     host_alias=(get "host" "${build_alias}")
	     target_alias=(get "target" "${target_alias}")
	     args="$(BUILD_CONFIGARGS)" no-config-site=true +]

[+ all prefix="build-" subdir="$(BUILD_SUBDIR)" exports="$(BUILD_EXPORTS)"
	     args="$(EXTRA_BUILD_FLAGS)" +]
[+ ENDFOR build_module +]

# --------------------------------------
# Modules which run on the host machine
# --------------------------------------
[+ FOR host_modules +]
[+ configure prefix="" subdir="$(HOST_SUBDIR)"
	     exports="$(HOST_EXPORTS)"
	     poststage1_exports="$(POSTSTAGE1_HOST_EXPORTS)"
	     host_alias=(get "host" "${host_alias}")
	     target_alias=(get "target" "${target_alias}")
	     args="$(HOST_CONFIGARGS)" +]

[+ all prefix="" subdir="$(HOST_SUBDIR)"
       exports="$(HOST_EXPORTS)"
       poststage1_exports="$(POSTSTAGE1_HOST_EXPORTS)"
       args="$(EXTRA_HOST_FLAGS)"
       stage1_args="$(STAGE1_FLAGS_TO_PASS)"
       poststage1_args="$(POSTSTAGE1_FLAGS_TO_PASS)" +]

.PHONY: check-[+module+] maybe-check-[+module+]
maybe-check-[+module+]:
@if [+module+]
maybe-check-[+module+]: check-[+module+]
[+ IF no_check +]
check-[+module+]:
[+ ELIF no_check_cross +]
# This module is only tested in a native toolchain.
check-[+module+]:
	@: $(MAKE); $(unstage)
	@if [ '$(host)' = '$(target)' ]; then \
	  r=`${PWD_COMMAND}`; export r; \
	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	  $(HOST_EXPORTS) [+ IF bootstrap +]$(EXTRA_HOST_EXPORTS)[+
	  ENDIF bootstrap +] \
	  (cd $(HOST_SUBDIR)/[+module+] && \
	    $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+][+
	    IF bootstrap +] $(EXTRA_BOOTSTRAP_FLAGS)[+ ENDIF bootstrap +] check)
	fi
[+ ELSE check +]
check-[+module+]:
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(HOST_EXPORTS) [+ IF bootstrap +]$(EXTRA_HOST_EXPORTS)[+
	ENDIF bootstrap +] \
	(cd $(HOST_SUBDIR)/[+module+] && \
	  $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+][+
	  IF bootstrap +] $(EXTRA_BOOTSTRAP_FLAGS)[+ ENDIF bootstrap +] check)
[+ ENDIF no_check +]
@endif [+module+]

.PHONY: install-[+module+] maybe-install-[+module+]
maybe-install-[+module+]:
@if [+module+]
maybe-install-[+module+]: install-[+module+]
[+ IF no_install +]
install-[+module+]:
[+ ELSE install +]
install-[+module+]: installdirs
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(HOST_EXPORTS) \
	(cd $(HOST_SUBDIR)/[+module+] && \
	  $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] install)
[+ ENDIF no_install +]
@endif [+module+]

.PHONY: install-strip-[+module+] maybe-install-strip-[+module+]
maybe-install-strip-[+module+]:
@if [+module+]
maybe-install-strip-[+module+]: install-strip-[+module+]
[+ IF no_install +]
install-strip-[+module+]:
[+ ELSE install +]
install-strip-[+module+]: installdirs
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(HOST_EXPORTS) \
	(cd $(HOST_SUBDIR)/[+module+] && \
	  $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] install-strip)
[+ ENDIF no_install +]
@endif [+module+]

# Other targets (info, dvi, pdf, etc.)
[+ FOR recursive_targets +]
.PHONY: maybe-[+make_target+]-[+module+] [+make_target+]-[+module+]
maybe-[+make_target+]-[+module+]:
@if [+module+]
maybe-[+make_target+]-[+module+]: [+make_target+]-[+module+]
[+ IF (match-value? = "missing" (get "make_target") ) +]
# [+module+] doesn't support [+make_target+].
[+make_target+]-[+module+]:
[+ ELSE +]
[+make_target+]-[+module+]: [+
  FOR depend +]\
    [+depend+]-[+module+] [+
  ENDFOR depend +]
	@[+ IF bootstrap +][+ ELSE +]: $(MAKE); $(unstage)
	@[+ ENDIF bootstrap +][ -f ./[+module+]/Makefile ] || exit 0; \
	r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(HOST_EXPORTS) \
	for flag in $(EXTRA_HOST_FLAGS) [+extra_make_flags+]; do \
	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
	done; \
	echo "Doing [+make_target+] in [+module+]"; \
	(cd $(HOST_SUBDIR)/[+module+] && \
	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
	          "RANLIB=$${RANLIB}" \
	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
	          [+make_target+]) \
	  || exit 1
[+ ENDIF +]
@endif [+module+]
[+ ENDFOR recursive_targets +]
[+ ENDFOR host_modules +]

# ---------------------------------------
# Modules which run on the target machine
# ---------------------------------------
[+ FOR target_modules +]

[+ IF raw_cxx +]
[+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
	     check_multilibs=true
	     exports="$(RAW_CXX_TARGET_EXPORTS)"
	     host_alias=(get "host" "${target_alias}")
	     target_alias=(get "target" "${target_alias}")
	     args="$(TARGET_CONFIGARGS)" no-config-site=true +]

[+ all prefix="target-" subdir="$(TARGET_SUBDIR)"
       exports="$(RAW_CXX_TARGET_EXPORTS)"
       args="$(EXTRA_TARGET_FLAGS) 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)'" +]
[+ ELSE +]
[+ configure prefix="target-" subdir="$(TARGET_SUBDIR)"
	     check_multilibs=true
	     exports="$(NORMAL_TARGET_EXPORTS)"
	     host_alias=(get "host" "${target_alias}")
	     target_alias=(get "target" "${target_alias}")
	     args="$(TARGET_CONFIGARGS)" no-config-site=true +]

[+ all prefix="target-" subdir="$(TARGET_SUBDIR)"
       exports="$(NORMAL_TARGET_EXPORTS)"
       args="$(EXTRA_TARGET_FLAGS)" +]
[+ ENDIF +]

.PHONY: check-target-[+module+] maybe-check-target-[+module+]
maybe-check-target-[+module+]:
@if target-[+module+]
maybe-check-target-[+module+]: check-target-[+module+]
[+ IF no_check +]
# Dummy target for uncheckable module.
check-target-[+module+]:
[+ ELSE check +]
check-target-[+module+]:
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
IF raw_cxx +]
	$(RAW_CXX_TARGET_EXPORTS) \[+
ELSE normal_cxx +]
	$(NORMAL_TARGET_EXPORTS) \[+
ENDIF raw_cxx +]
	(cd $(TARGET_SUBDIR)/[+module+] && \
	  $(MAKE) $(TARGET_FLAGS_TO_PASS) [+
	    IF raw_cxx 
	      +] 'CXX=$$(RAW_CXX_FOR_TARGET)' 'CXX_FOR_TARGET=$$(RAW_CXX_FOR_TARGET)' [+ 
	    ENDIF raw_cxx 
	  +] [+extra_make_flags+] check)
[+ ENDIF no_check +]
@endif target-[+module+]

.PHONY: install-target-[+module+] maybe-install-target-[+module+]
maybe-install-target-[+module+]:
@if target-[+module+]
maybe-install-target-[+module+]: install-target-[+module+]
[+ IF no_install +]
# Dummy target for uninstallable.
install-target-[+module+]:
[+ ELSE install +]
install-target-[+module+]: installdirs
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
IF raw_cxx +]
	$(RAW_CXX_TARGET_EXPORTS) \[+
ELSE normal_cxx +]
	$(NORMAL_TARGET_EXPORTS) \[+
ENDIF raw_cxx +]
	(cd $(TARGET_SUBDIR)/[+module+] && \
	  $(MAKE) $(TARGET_FLAGS_TO_PASS) [+extra_make_flags+] install)
[+ ENDIF no_install +]
@endif target-[+module+]

.PHONY: install-strip-target-[+module+] maybe-install-strip-target-[+module+]
maybe-install-strip-target-[+module+]:
@if target-[+module+]
maybe-install-strip-target-[+module+]: install-strip-target-[+module+]
[+ IF no_install +]
# Dummy target for uninstallable.
install-strip-target-[+module+]:
[+ ELSE install +]
install-strip-target-[+module+]: installdirs
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
IF raw_cxx +]
	$(RAW_CXX_TARGET_EXPORTS) \[+
ELSE normal_cxx +]
	$(NORMAL_TARGET_EXPORTS) \[+
ENDIF raw_cxx +]
	(cd $(TARGET_SUBDIR)/[+module+] && \
	  $(MAKE) $(TARGET_FLAGS_TO_PASS) [+extra_make_flags+] install-strip)
[+ ENDIF no_install +]
@endif target-[+module+]

# Other targets (info, dvi, pdf, etc.)
[+ FOR recursive_targets +]
.PHONY: maybe-[+make_target+]-target-[+module+] [+make_target+]-target-[+module+]
maybe-[+make_target+]-target-[+module+]:
@if target-[+module+]
maybe-[+make_target+]-target-[+module+]: [+make_target+]-target-[+module+]
[+ IF (match-value? = "missing" (get "make_target") ) +]
# [+module+] doesn't support [+make_target+].
[+make_target+]-target-[+module+]:
[+ ELSE +]
[+make_target+]-target-[+module+]: [+
  FOR depend +]\
    [+depend+]-target-[+module+] [+
  ENDFOR depend +]
	@: $(MAKE); $(unstage)
	@[ -f $(TARGET_SUBDIR)/[+module+]/Makefile ] || exit 0; \
	r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \[+
IF raw_cxx +]
	$(RAW_CXX_TARGET_EXPORTS) \[+
ELSE normal_cxx +]
	$(NORMAL_TARGET_EXPORTS) \[+
ENDIF raw_cxx +]
	echo "Doing [+make_target+] in $(TARGET_SUBDIR)/[+module+]"; \
	for flag in $(EXTRA_TARGET_FLAGS); do \
	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
	done; \
	(cd $(TARGET_SUBDIR)/[+module+] && \
	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
	          "RANLIB=$${RANLIB}" \
	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
	          [+extra_make_flags+] [+make_target+]) \
	  || exit 1
[+ ENDIF +]
@endif target-[+module+]
[+ ENDFOR recursive_targets +]
[+ ENDFOR target_modules +]

@if target-libgomp
.PHONY: check-target-libgomp-c++
check-target-libgomp-c++:
	$(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS) c++.exp" check-target-libgomp

@endif target-libgomp

@if target-libitm
.PHONY: check-target-libitm-c++
check-target-libitm-c++:
	$(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS) c++.exp" check-target-libitm

@endif target-libitm

# ----------
# GCC module
# ----------

@if gcc-no-bootstrap
.PHONY: cross
cross: all-build all-gas all-ld
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(HOST_EXPORTS) \
	echo "Building the C and C++ compiler"; \
	cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) LANGUAGES="c c++"
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	echo "Building runtime libraries"; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) LANGUAGES="c c++" all
@endif gcc-no-bootstrap

@if gcc
[+ FOR languages +]
.PHONY: check-gcc-[+language+] check-[+language+]
check-gcc-[+language+]:
	r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(HOST_EXPORTS) \
	(cd gcc && $(MAKE) $(GCC_FLAGS_TO_PASS) [+gcc-check-target+]);
check-[+language+]: check-gcc-[+language+][+ FOR lib-check-target +] [+ lib-check-target +][+ ENDFOR lib-check-target +]
[+ ENDFOR languages +]

# The gcc part of install-no-fixedincludes, which relies on an intimate
# knowledge of how a number of gcc internal targets (inter)operate.  Delegate.
.PHONY: gcc-install-no-fixedincludes
gcc-install-no-fixedincludes:
	@if [ -f ./gcc/Makefile ]; then \
	  r=`${PWD_COMMAND}`; export r; \
	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	  $(HOST_EXPORTS) \
	  (cd ./gcc \
	   && $(MAKE) $(GCC_FLAGS_TO_PASS) install-no-fixedincludes); \
	else true; fi
@endif gcc

# ---------------------
# GCC bootstrap support
# ---------------------

# We track the current stage (the one in 'gcc') in the stage_current file.
# stage_last instead tracks the stage that was built last.  These targets
# are dummy when toplevel bootstrap is not active.

# While making host and target tools, symlinks to the final stage must be
# there, so $(unstage) should be run at various points.  To avoid excessive
# recursive invocations of make, we "inline" them using a variable.  These
# must be referenced as ": $(MAKE) ; $(unstage)" rather than "$(unstage)"
# to avoid warnings from the GNU Make job server.

unstage = :
stage = :
current_stage = ""

@if gcc-bootstrap
unstage = if [ -f stage_last ]; then [ -f stage_current ] || $(MAKE) `cat stage_last`-start || exit 1; else :; fi
stage = if [ -f stage_current ]; then $(MAKE) `cat stage_current`-end || exit 1; else :; fi
current_stage = "`cat stage_current 2> /dev/null`"
@endif gcc-bootstrap

.PHONY: unstage stage
unstage:
	@: $(MAKE); $(unstage)
stage:
	@: $(MAKE); $(stage)

# Disable commands for lean bootstrap.
LEAN = false

# We name the build directories for the various stages "stage1-gcc",
# "stage2-gcc","stage3-gcc", etc.

# Since the 'compare' process will fail (on debugging information) if any
# directory names are different, we need to link the gcc directory for
# the previous stage to a constant name ('prev-gcc'), and to make the name of
# the build directories constant as well. For the latter, we use naked names
# like 'gcc', because the scripts in that directory assume it.  We use
# mv on platforms where symlinks to directories do not work or are not
# reliable.

# 'touch' doesn't work right on some platforms.
STAMP = echo timestamp > 

# We only want to compare .o files, so set this!
objext = .o

[+ FOR bootstrap-stage +]
.PHONY: stage[+id+]-start stage[+id+]-end

stage[+id+]-start::
	@: $(MAKE); $(stage); \
	echo stage[+id+] > stage_current; \
	echo stage[+id+] > stage_last; \
	$(SHELL) $(srcdir)/mkinstalldirs $(HOST_SUBDIR)[+
   FOR host_modules +][+ IF bootstrap +]
@if [+ module +]
	@cd $(HOST_SUBDIR); [ -d stage[+id+]-[+module+] ] || \
	  mkdir stage[+id+]-[+module+]; \
	mv stage[+id+]-[+module+] [+module+][+ IF prev +]; \
	mv stage[+prev+]-[+module+] prev-[+module+] || test -f stage[+prev+]-lean [+ ENDIF prev +]
@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +]
	@[ -d stage[+id+]-$(TARGET_SUBDIR) ] || \
	  mkdir stage[+id+]-$(TARGET_SUBDIR); \
	mv stage[+id+]-$(TARGET_SUBDIR) $(TARGET_SUBDIR)[+ IF prev +]; \
	mv stage[+prev+]-$(TARGET_SUBDIR) prev-$(TARGET_SUBDIR) || test -f stage[+prev+]-lean [+ ENDIF prev +]

stage[+id+]-end:: [+ FOR host_modules +][+ IF bootstrap +]
@if [+ module +]
	@if test -d $(HOST_SUBDIR)/[+module+]; then \
	  cd $(HOST_SUBDIR); mv [+module+] stage[+id+]-[+module+][+ IF prev +]; \
	  mv prev-[+module+] stage[+prev+]-[+module+]; : [+ ENDIF prev +]; \
	fi
@endif [+ module +][+ ENDIF bootstrap +][+ ENDFOR host_modules +]
	@if test -d $(TARGET_SUBDIR); then \
	  mv $(TARGET_SUBDIR) stage[+id+]-$(TARGET_SUBDIR)[+ IF prev +]; \
	  mv prev-$(TARGET_SUBDIR) stage[+prev+]-$(TARGET_SUBDIR); : [+ ENDIF prev +]; \
	fi
	rm -f stage_current

# Bubble a bug fix through all the stages up to stage [+id+].  They are
# remade, but not reconfigured.  The next stage (if any) will not be
# reconfigured either.
.PHONY: stage[+id+]-bubble
stage[+id+]-bubble:: [+ IF prev +]stage[+prev+]-bubble[+ ENDIF +]
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	if test -f stage[+id+]-lean [+
	  IF prev +]|| test -f stage[+prev+]-lean [+ ENDIF prev +]; then \
	  echo Skipping rebuild of stage[+id+]; \
	else \
	  $(MAKE) stage[+id+]-start; \[+IF lean +]
	  if $(LEAN); then \
	    rm -rf stage[+lean+]-*; \
	    $(STAMP) stage[+lean+]-lean; \
	  fi; \[+ ENDIF lean +]
	  $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-stage[+id+]; \
	fi[+ IF compare-target +]
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) [+compare-target+][+ ENDIF compare-target +]

.PHONY: all-stage[+id+] clean-stage[+id+]
do-clean: clean-stage[+id+]

# FIXME: Will not need to be conditional when toplevel bootstrap is the
# only possibility, but now it conflicts with no-bootstrap rules
@if gcc-bootstrap
[+ IF compare-target +]
[+compare-target+]:
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	if test -f stage[+prev+]-lean; then \
	  echo Cannot compare object files as stage [+prev+] was deleted.; \
	  exit 0; \
	fi; \
	: $(MAKE); $(stage); \
	rm -f .bad_compare; \
	echo Comparing stages [+prev+] and [+id+]; \
        sed=`echo stage[+id+] | sed 's,^stage,,;s,.,.,g'`; \
	files=`find stage[+id+]-* -name "*$(objext)" -print | \
		 sed -n s,^stage$$sed-,,p`; \
	for file in $${files}; do \
	  f1=$$r/stage[+prev+]-$$file; f2=$$r/stage[+id+]-$$file; \
	  if test ! -f $$f1; then continue; fi; \
	  $(do-[+compare-target+]) > /dev/null 2>&1; \
	  if test $$? -eq 1; then \
	    case $$file in \
	      @compare_exclusions@) \
	        echo warning: $$file differs ;; \
	      *) \
	        echo $$file differs >> .bad_compare ;; \
	    esac; \
	  fi; \
	done; \
	if [ -f .bad_compare ]; then \
	  echo "Bootstrap comparison failure!"; \
	  cat .bad_compare; \
	  exit 1; \
	else \
	  echo Comparison successful.; \
	fi; \
	$(STAMP) [+compare-target+][+ IF prev +]
	if $(LEAN); then \
	  rm -rf stage[+prev+]-*; \
	  $(STAMP) stage[+prev+]-lean; \
	fi[+ ENDIF prev +]
[+ ENDIF compare-target +]

[+ IF bootstrap-target +]
.PHONY: [+bootstrap-target+] [+bootstrap-target+]-lean
[+bootstrap-target+]:
	echo stage[+id+] > stage_final
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
	$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target

[+bootstrap-target+]-lean:
	echo stage[+id+] > stage_final
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) LEAN=: stage[+id+]-bubble
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
	$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
[+ ENDIF bootstrap-target +]

# Rules to wipe a stage and all the following ones, also used for cleanstrap
[+ IF prev +]distclean-stage[+prev+]:: distclean-stage[+id+] [+ ENDIF prev +]
.PHONY: distclean-stage[+id+]
distclean-stage[+id+]::
	@: $(MAKE); $(stage)
	@test "`cat stage_last`" != stage[+id+] || rm -f stage_last
	rm -rf stage[+id+]-* [+
	  IF compare-target +][+compare-target+] [+ ENDIF compare-target +]

[+ IF cleanstrap-target +]
.PHONY: [+cleanstrap-target+]
[+cleanstrap-target+]: do-distclean local-clean
	echo stage[+id+] > stage_final
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) stage[+id+]-bubble
	@: $(MAKE); $(unstage)
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	TFLAGS="$(STAGE[+id+]_TFLAGS)"; \
	$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target
[+ ENDIF cleanstrap-target +]
@endif gcc-bootstrap

[+ ENDFOR bootstrap-stage +]

stageprofile-end::
	$(MAKE) distclean-stagefeedback

stagefeedback-start::
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	for i in prev-*; do \
	  j=`echo $$i | sed s/^prev-//`; \
	  cd $$r/$$i && \
	  { find . -type d | sort | sed 's,.*,$(SHELL) '"$$s"'/mkinstalldirs "../'$$j'/&",' | $(SHELL); } && \
	  { find . -name '*.*da' | sed 's,.*,$(LN) -f "&" "../'$$j'/&",' | $(SHELL); }; \
	done

@if gcc-bootstrap
do-distclean: distclean-stage1

# Provide a GCC build when we're building target libraries.  This does
# not work as a dependency, just as the minimum necessary to avoid errors.
stage_last:
	@r=`${PWD_COMMAND}`; export r; \
	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
	$(MAKE) $(RECURSE_FLAGS_TO_PASS) stage1-bubble

# Same as unstage, but not phony and defaulting to stage1-start.  We place
# it in the dependency so that for example `make -j3 all-gcc' works.
stage_current:
	@if test -f stage_last; then $(unstage); else $(MAKE) stage1-start; fi

.PHONY: restrap
restrap::
	@: $(MAKE); $(stage)
	rm -rf stage1-$(TARGET_SUBDIR)[+ FOR bootstrap-stage +][+ IF prev
	  +] stage[+id+]-*[+ ENDIF prev +][+ ENDFOR bootstrap-stage +]
restrap:: all
@endif gcc-bootstrap

# --------------------------------------
# Dependencies between different modules
# --------------------------------------

# Generic dependencies for target modules on host stuff, especially gcc
@if gcc-bootstrap[+ FOR target_modules +][+ IF bootstrap
  +][+ FOR bootstrap_stage +]
configure-stage[+id+]-target-[+module+]: maybe-all-stage[+id+]-gcc[+
  ENDFOR +][+ ELSE bootstrap +]
configure-target-[+module+]: stage_last[+
  ENDIF bootstrap +][+ ENDFOR target_modules +]
@endif gcc-bootstrap

@if gcc-no-bootstrap[+ FOR target_modules +]
configure-target-[+module+]: maybe-all-gcc[+
  ENDFOR target_modules +]
@endif gcc-no-bootstrap


# There are two types of dependencies here: 'hard' dependencies, where one
# module simply won't build without the other; and 'soft' dependencies, where
# if the depended-on module is missing, the depending module will do without
# or find a substitute somewhere (perhaps installed).  Soft dependencies
# are made here to depend on a 'maybe-' target.  If you're not sure,
# it's safer to use a soft dependency.

[+ ;; These Scheme functions build the bulk of the dependencies.
   ;; dep-target builds a string like "maybe-all-MODULE_KIND-gcc",
   ;; where "maybe-" is only included if HARD is not true, and all-gcc
   ;; is taken from VAR-NAME.
   (define dep-target (lambda (module-kind var-name hard)
      (string-append
         (if hard "" "maybe-")
         (dep-subtarget var-name)
         module-kind
         (dep-module var-name)
      )))

   ;; make-dep builds a dependency from the MODULE and ON AutoGen vars.
   (define make-dep (lambda (module-kind on-kind)
      (string-append
         (dep-target module-kind "module" #t) ": "
         (dep-target on-kind "on" (exist? "hard")))))

   ;; dep-subtarget extracts everything up to the first dash in the given
   ;; AutoGen variable, for example it extracts "all-" out of "all-gcc".
   (define dep-subtarget (lambda (var-name)
      (substring (get var-name) 0 (+ 1 (string-index (get var-name) #\-)))))

   ;; dep-module extracts everything up to the first dash in the given
   ;; AutoGen variable, for example it extracts "gcc" out of "all-gcc".
   (define dep-module (lambda (var-name)
      (substring (get var-name) (+ 1 (string-index (get var-name) #\-)))))

   ;; dep-stage builds a string for the prefix of a bootstrap stage.
   (define dep-stage (lambda ()
      (string-append
	 "stage"
	 (get "id")
	 "-")))

   ;; dep-maybe is the same as the AutoGen expression "- hard 'maybe-'"
   ;; but is written in Scheme.
   (define dep-maybe (lambda ()
      (if (exist? "hard") "" "maybe-")))

   ;; dep-kind returns "normal" if the dependency is on an "install" target,
   ;; or if either module is not bootstrapped.  It returns "bootstrap" for
   ;; configure or build dependencies between bootstrapped modules; it returns
   ;; "prebootstrap" for configure or build dependencies of bootstrapped
   ;; modules on a build module (e.g. all-gcc on all-build-bison).  All this
   ;; is only necessary for host modules.
   (define dep-kind (lambda ()
      (if (and (hash-ref boot-modules (dep-module "module"))
	       (=* (dep-module "on") "build-"))
	  "prebootstrap"

	  (if (or (= (dep-subtarget "on") "install-")
		  (not (hash-ref boot-modules (dep-module "module")))
		  (not (hash-ref boot-modules (dep-module "on"))))
              "normal"
	      "bootstrap"))))

   ;; We now build the hash table that is used by dep-kind.
   (define boot-modules (make-hash-table 113))
+]

[+ FOR host_modules +][+
   (if (exist? "bootstrap")
       (hash-create-handle! boot-modules (get "module") #t))
   "" +][+ ENDFOR host_modules +]
[+ FOR target_modules +][+
   (if (exist? "bootstrap")
       (hash-create-handle! boot-modules (string-append "target-" (get "module")) #t))
   "" +][+ ENDFOR target_modules +]

# With all the machinery above in place, it is pretty easy to generate
# dependencies.  Host dependencies are a bit more complex because we have
# to check for bootstrap/prebootstrap dependencies.  To resolve
# prebootstrap dependencies, prebootstrap modules are gathered in
# a hash table.
[+ FOR dependencies +][+ (make-dep "" "") +]
[+ CASE (dep-kind) +]
[+ == "prebootstrap"
     +][+ FOR bootstrap_stage +]
[+ (make-dep (dep-stage) "") +][+
       ENDFOR bootstrap_stage +]
[+ == "bootstrap"
     +][+ FOR bootstrap_stage +]
[+ (make-dep (dep-stage) (dep-stage)) +][+
       ENDFOR bootstrap_stage +]
[+ ESAC +][+
ENDFOR dependencies +]

# Dependencies for target modules on other target modules are
# described by lang_env_dependencies; the defaults apply to anything
# not mentioned there.
[+
   ;; Predicate for whether LANG was specified in lang_env_dependencies.
   (define lang-dep (lambda (lang)
      (hash-ref lang-env-deps (string-append (get "module") "-" lang))))

   ;; Build the hash table we will need.
   (define lang-env-deps (make-hash-table 7))
+][+ FOR lang_env_dependencies +][+
   (if (exist? "cxx")
       (hash-create-handle! lang-env-deps
	  (string-append (get "module") "-" "cxx") #t))

   (if (exist? "no_c")
       (hash-create-handle! lang-env-deps
	  (string-append (get "module") "-" "no_c") #t))

   (if (exist? "no_gcc")
       (hash-create-handle! lang-env-deps
	  (string-append (get "module") "-" "no_gcc") #t))
   "" +][+ ENDFOR lang_env_dependencies +]

@if gcc-bootstrap[+ FOR target_modules +][+ IF (not (lang-dep "no_gcc"))
  +][+ IF bootstrap +][+ FOR bootstrap_stage +]
configure-stage[+id+]-target-[+module+]: maybe-all-stage[+id+]-target-libgcc[+
  ENDFOR +][+ ENDIF bootstrap +][+ ENDIF +][+ ENDFOR target_modules +]
@endif gcc-bootstrap

@if gcc-no-bootstrap[+ FOR target_modules +][+ IF (not (lang-dep "no_gcc")) +]
configure-target-[+module+]: maybe-all-target-libgcc[+
  ENDIF +][+ ENDFOR target_modules +]
@endif gcc-no-bootstrap

[+ FOR target_modules +][+ IF (not (lang-dep "no_c")) +]
configure-target-[+module+]: maybe-all-target-newlib maybe-all-target-libgloss[+
  ENDIF +][+ IF (lang-dep "cxx") +]
configure-target-[+module+]: maybe-all-target-libstdc++-v3[+
  ENDIF +]
[+ ENDFOR target_modules +]

CONFIGURE_GDB_TK = @CONFIGURE_GDB_TK@
GDB_TK = @GDB_TK@
INSTALL_GDB_TK = @INSTALL_GDB_TK@
configure-gdb: $(CONFIGURE_GDB_TK)
all-gdb: $(gdbnlmrequirements) $(GDB_TK)
install-gdb: $(INSTALL_GDB_TK)

# Serialization dependencies.  Host configures don't work well in parallel to
# each other, due to contention over config.cache.  Target configures and 
# build configures are similar.
@serialization_dependencies@

# --------------------------------
# Regenerating top level configury
# --------------------------------

# Rebuilding Makefile.in, using autogen.
AUTOGEN = autogen
$(srcdir)/Makefile.in: @MAINT@ $(srcdir)/Makefile.tpl $(srcdir)/Makefile.def
	cd $(srcdir) && $(AUTOGEN) Makefile.def

# Rebuilding Makefile.
Makefile: $(srcdir)/Makefile.in config.status
	CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status

config.status: configure
	CONFIG_SHELL="$(SHELL)" $(SHELL) ./config.status --recheck

# Rebuilding configure.
AUTOCONF = autoconf
$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(srcdir)/config/acx.m4 \
	$(srcdir)/config/override.m4 $(srcdir)/config/proginstall.m4 \
	$(srcdir)/config/elf.m4 $(srcdir)/config/isl.m4 \
	$(srcdir)/libtool.m4 $(srcdir)/ltoptions.m4 $(srcdir)/ltsugar.m4 \
	$(srcdir)/ltversion.m4 $(srcdir)/lt~obsolete.m4
	cd $(srcdir) && $(AUTOCONF)

# ------------------------------
# Special directives to GNU Make
# ------------------------------

# Don't pass command-line variables to submakes.
.NOEXPORT:
MAKEOVERRIDES=

# end of Makefile.in