File: configure.ac

package info (click to toggle)
freefem++ 3.47+dfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 132,088 kB
  • ctags: 19,726
  • sloc: cpp: 138,951; ansic: 22,605; sh: 4,951; makefile: 2,935; fortran: 1,147; perl: 768; awk: 282; php: 182
file content (2148 lines) | stat: -rw-r--r-- 69,211 bytes parent folder | download | duplicates (2)
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
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
# ------------------------------------------------------------

# Antoine Le Hyaric - LJLL Paris 6 - lehyaric@ann.jussieu.fr - 13/5/04
# $Id: configure.ac,v 1.338 2010/05/10 21:35:07 hecht Exp $

# Version numbering: x.xx-pp where "pp" is the package version (when
# the same FreeFem++ version is packaged several times). For
# coherency, this should have the same value as the top-most package
# number in debian/changelog.


AC_INIT(FreeFem++,3.47,hecht@ann.jussieu.fr,freefem++)
dnl : ${CFLAGS=""}
dnl : ${CXXFLAGS=""}
dnl : ${FCFLAGS=""}
dnl : ${FFLAGS=""}

# progg test  expact under windows 
ff_TEST_FFPP="../src/nw/FreeFem++"
ff_TEST_FFPP_MPI="../src/mpi/FreeFem++-mpi"

AC_PREREQ(2.69) dnl for AC_LANG_CASE and check stuff 
dnl AC_CONFIG_SRCDIR(src/FreeFem++-CoCoa)

# Automake 1.11 is too old for check ...

# ALH - 10/9/13 - FFCS needs to skip this automake version requirement when compiling on older platforms (eg cygwin or
# last Ubuntu LTS). So we fix a low hardcoded requirement and test for higher versions when not in FFCS.

AM_INIT_AUTOMAKE(1.11 dist-zip)

if test "$enable_ffcs" != yes
then
    if test `echo $am__api_version|awk '{if($1>1.13)print "ok";}'` != ok
    then
	AC_MSG_ERROR([Automake version needs to be 1.13 or later to enable "make check"])
    fi
fi

AC_CONFIG_HEADERS(config.h)
AC_PROG_MAKE_SET
dnl AM_COLOR_TESTS=always
AC_PROG_RANLIB

ff_where_lib_conf=examples++-load/WHERE_LIBRARY-config
dnl search of associad software
m4_define([AC_FF_ADDWHERELIB],
  [	if test -z "$ff_where_lib_conf_$1" ; then
	    echo "$1 LD $2"  >>$ff_where_lib_conf
	    test -n "$3" && echo "$1 INCLUDE $3 "  >>$ff_where_lib_conf
            ff_where_lib_conf_$1=1
	    ff_where_lib_$1="$2"
	    ff_where_inc_$1="$3"
	    AC_MSG_NOTICE([    ++ add $1 : $2 $3 in  $ff_where_lib_conf "])
	else
	    AC_MSG_NOTICE([    -- do not add $1 : $2 $3 in  $ff_where_lib_conf "])
        fi
]) dnl
m4_define([AC_FF_WHERELIB],
    [  	if test -z "$ff_where_lib_conf_$1" ; then
        AC_MSG_CHECKING(check $1)
	ff_save_libs=$LIBS
	LIBS="$LIBS $2 $4"
	AC_LINK_IFELSE([AC_LANG_PROGRAM([m4_if($3,,,[#include <$3>])],[])], [ff_WHERE=yes],[ff_WHERE=no])
	if test "$ff_WHERE" = "yes" ; then
	    echo "$1 LD $2"  >>$ff_where_lib_conf
	    ff_WHERE_INC=`AS_DIRNAME(["$3"])`
	    case "$ff_WHERE_INC" in 
		/*) echo "$1 INCLUDE -I$ff_WHERE_INC"  >>$ff_where_lib_conf ;;
	    esac
            ff_where_lib_conf_$1=1
	fi
	AC_MSG_RESULT($ff_WHERE)
        ff_$1_ok=$ff_WHERE;
	LIBS=$ff_save_libs
	fi
    ])dnl end m4_define AC_FF_WHERELIB
define([AC_FF_PETSC_AWK],[awk -F'=' '"$1 "==[$]1 {print [$]2}' [$]ffconfpetsc])
m4_define([AC_FF_PETSC_WHERELIB],
	  [
	    ff_$2=`AC_FF_PETSC_AWK($2)`
	    ff_$3=`AC_FF_PETSC_AWK($3)`
	   if test -n "[$]ff_$2"; then 
			    ff_$1_ok=yes;
			    AC_FF_ADDWHERELIB($1,[$]ff_$2,[$]ff_$3)
			    AC_SUBST([TOOL_COMPILE_$1],"")
	  fi	    
	  ]
)dnl end m4_defineAC_FF_PETSC_WHERELIB

# ALH - this is required by FFCS that needs to deactivate some tools that do not work on all platforms. Some FF users
# may also find interesting to specify a local version of a tool instead of downloading it.

# m4 macro parameters: $1 = tool name, $2 = dynamic library name, $3 = download directory name if different from $1

m4_define([TOOL_PARAMETERS],
    [AC_ARG_WITH($1_include,AC_HELP_STRING([--with-$1-include=],[Include directives for $1 instead of automatic download]))
    AC_ARG_WITH($1_ldflags,AC_HELP_STRING([--with-$1-ldflags=],[Link-time directives for $1 instead of automatic download]))

    if test "$with_$1_include" != "" || test "$with_$1_ldflags" != ""
    then

	# some directives have been specified, use them instead of downloading

	AC_FF_ADDWHERELIB($1,$with_$1_ldflags,$with_$1_include)
        AC_SUBST([TOOL_COMPILE_$1],"")
	enable_$1_download=no
    fi
])

m4_define([TOOL_DISABLE],
    [AC_ARG_ENABLE($1,AC_HELP_STRING([--disable-$1],[Do not use $1]))
    if test "$enable_$1" = "no"
    then
        AC_SUBST([TOOL_COMPILE_$1],"")
        AC_SUBST([TOOL_DYLIB_$1],"")
    elif  test   "$ff_$1_ok" = "yes" ; then
        AC_SUBST([TOOL_DYLIB_$1],$2)
        enable_$1_download=no
    else  
        AC_SUBST([TOOL_COMPILE_$1],ifelse($3,,$1,$3))
        AC_SUBST([TOOL_DYLIB_$1],$2)
	    enable_$1_download=yes
    fi

    # Also allow to disable the download of one tool if it is already locally installed

    TOOL_PARAMETERS($1,$2,$3)
])

SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(date +%s)}"
FF_DATE=$(date -u -d "@$SOURCE_DATE_EPOCH" "+%Y-%m-%d" 2>/dev/null || date -u -r "$SOURCE_DATE_EPOCH" "+%Y-%m-%d" 2>/dev/null || date -u "+%Y-%m-%d")
AC_SUBST(FF_DATE,$FF_DATE)

ff_HOSTARCH_pastix=
echo "#  Build with freefem++ with ./configure $FF_DATE"  >$ff_where_lib_conf
# To allow anonymous CVS version to contain a "./configure" and
# Makefiles

AM_MAINTAINER_MODE

echo >config_LIB_INFO

# Necessary compilers

AC_PROG_CC
AC_PROG_CXX
AC_LANG(C++)
if test `uname` != Darwin; then
 ff_ldeg="-Wl,--end-group"
 ff_ldbg="-Wl,--start-group"
fi

#  suffix of  dynamic lib .. 
# ---------------------------
ff_uname=`uname`
#  flag to build window 32   version   ff_mingw = yes
# bof bof F. Hecht 
case $ff_uname in
    CYGWIN*|MINGW*|MSYS_NT*)
	ff_suffix_dylib="dll"
	ff_suffix_dylib_a="dll.a";;
     Darwin)
	ff_suffix_dylib="dylib"
	ff_suffix_dylib_a="dylib";;
    *) 
       ff_suffix_dylib="so";
       ff_suffix_dylib_a="so";
esac 
# end suffix ...



AC_CHECK_PROG(ff_m4,m4,yes,no)
AC_CHECK_PROG(ff_bison,bison,yes,no)
AC_CHECK_PROG(ff_flex,flex,yes,no)
dnl AC_CHECK_PROG(ff_cmake,cmake,yes,no)
AC_CHECK_PROG(ff_patch,patch,yes,no)
case "$ff_m4 $ff_bison $ff_patch $ff_flex"  in
*no*)
    AC_MSG_NOTICE([ to install missing package  under debian or ubuntu, try ])
    test "$ff_m4" = no && AC_MSG_NOTICE([ sudo apt-get install m4])
    test "$ff_bison" = no && AC_MSG_NOTICE([ sudo apt-get install bison])
    test "$ff_flex" = no && AC_MSG_NOTICE([ sudo apt-get install flex])
    test "$ff_patch" = no && AC_MSG_NOTICE([ sudo apt-get install patch])
    AC_MSG_ERROR([ Sorry missing  m4,bison,flex,patch command !]);;
esac


if test -z "$CXX"; then
  AC_MSG_NOTICE( [ fatal error : c++ compiler ! ] );
  AC_MSG_ERROR([ Sorry no c++ compiler !])
fi

AC_COMPUTE_INT(ff_size_long,[sizeof(long)])
AC_COMPUTE_INT(ff_size_int,[sizeof(int)])
AC_COMPUTE_INT(ff_size_ptr,[sizeof(int*)])

AC_SUBST(SIZEOF_LONG,$ff_size_long)
AC_SUBST(SIZEOF_INT,$ff_size_int)
AC_SUBST(SIZEOF_PTR,$ff_size_ptr)
if test "0$ff_size_ptr" -eq 4  ;then
 AC_SUBST(SIZEOF_PTRINBIT,32)
elif test  "0$ff_size_ptr" -eq 8  ;then
 AC_SUBST(SIZEOF_PTRINBIT,64)
else
  AC_MSG_NOTICE( [ fatal error : sizeof pointer $ff_size_ptr !  or no c++ compiler: $CXX] );
  AC_MSG_ERROR([ Sorry  sizeof c++ pointer $ff_size_ptr are not  4 or 8 ])
fi

# FFCS - build the code for FreeFem++-cs
AC_ARG_ENABLE(ffcs,AC_HELP_STRING([--enable-ffcs],[build FreeFem++ for use by FreeFem++-cs]))
if test "$enable_ffcs" = yes
then
	AC_DEFINE_UNQUOTED(ENABLE_FFCS,$enable_ffcs,[build FreeFem++ for use by FreeFem++-cs])
else
	enable_ffcs=no
fi
AC_SUBST(ENABLE_FFCS,"$enable_ffcs")
AM_CONDITIONAL([ENABLE_FFCS],[test $enable_ffcs = yes])

# dur dur car sous MacOsX le fortran n'est pas standard.
ff_AR="ar"
ff_ARFLAGS="rv"
ff_RANLIB="ranlib"
AC_ARG_ENABLE(fortran,AC_HELP_STRING([--disable-fortran],[No Fortran compiler available ( ARPACK need it)]))

ff_g2c_lib="";
if test "$enable_fortran" != no
then

    # ALH-FFCS-2/3/10: add gfortran-mp-4.4 for MacPorts on MacOS 10.6
    # FH add iforr
    AC_PROG_FC(gfortran  f90  xlf90 g95 ifort gfortran-mp-4.4)
    AC_PROG_F77(gfortran f90 xlf xlf90 g95 f77 fort77 "$FC" ifort gfortran-mp-4.4)

#	if test -n "$F77"
#	then
    ff_flibs=""
        # modif FH
    AC_F77_LIBRARY_LDFLAGS
    dnl	AC_F77_WRAPPERS
	# correct pb of double def under macos
    case $F77 in
	 *fort77)
	    if test -z "$FLIBS" ; then
#             FLIBS=`fort77 -v  a.out  2>&1|awk '/a.out/ && /fort77/  { print $(NF-2),$(NF-1)}'`
#  FH to remove " "
		FLIBS=`fort77 -v  a.out  2>&1|awk '/a.out/ && /fort77/  { print "echo",$(NF-2),$(NF-1)}'|sh`

		AC_MSG_WARN([  fort77   FLIBS :  $FLIBS ])
	    fi
	    ;;
	*g77)
	    for i in $FLIBS; do
		case $i in
# save last directory of the list
		    -L*)
			d=`expr $i : '-L\(.*\)'`;
			echo " try $d "
			if test -e "$d/libg2c.so" ; then
			    ff_flibs="$d/libg2c.so"
			elif test -e "$d/libg2c.dylib" ; then
			    ff_flibs="$d/libg2c.dylib"
			elif test -e "$d/libg2c.a" ; then
			    ff_flibs="$d/libg2c.a"
			elif test  -e $d/libg2c.so -o	-e $d/libg2c.a ; then
			    ff_flibs="$i"
			fi;;
		esac
	    done
	    if test -e "$ff_flibs"  ;then
		FLIBS="$ff_flibs"
	    else
		FLIBS="$ff_flibs -lg2c"
	    fi
	    AC_MSG_WARN([  get dir of -lg2c  FLIBS :  $FLIBS ])
	    ;;
# add FH sep 2006 / modif  2009
        *gfortran)
	    ff_okkk=0
            for i in $FLIBS; do
		case $i in
		    -L*)
			d=`expr $i : '-L\(.*\)'`;
			if test -e "$d/libgfortran.$ff_suffix_dylib_a" -a  -e "$d/libquadmath.$ff_suffix_dylib_a"  ; then
			   ff_flibs="$d/libgfortran.$ff_suffix_dylib_a $d/libquadmath.$ff_suffix_dylib_a"
			    ff_okkk=1
			elif test -e "$d/libgfortran.a"  -a -e "$d/libquadmath.a" ; then
			   ff_flibs="$d/libgfortran.a $d/libquadmath.a"
			    ff_okkk=1
			elif test -e "$d/libgfortran.$ff_suffix_dylib_a"   ; then
			   ff_flibs="$d/libgfortran.$ff_suffix_dylib_a"
			    ff_okkk=2
			elif test -e "$d/libgfortran.a" ; then
			   ff_flibs="$d/libgfortran.a"
			    ff_okkk=2
			fi;;
		esac
            done
	    if test  "$ff_okkk" -ge  1  ;then
		FLIBS="$ff_flibs"
	    else
		FLIBS="$ff_flibs -lgfortran"
	    fi
            AC_MSG_WARN([  get dir of -lgfortran  FLIBS :  $FLIBS ])
            ;;
    esac
    AC_ARG_WITH(flib,[  --with-flib= the fortran library ])
#  correct FH sep 2006 -o -> -a
    if test "$with_flib" != no -a -n  "$with_flib"
    then
	ff_g2c_lib="$with_flib"
	FLIBS="$with_flib"
    fi
# add FH oct 2007 for download f2c
    if test -z "$F77"  ; then
	ff_f77=`pwd`/download/bin/fort77
	ff_flibs=`pwd`/download/lib/libf2c.a
	if test -x $ff_f77  -a -f $ff_flibs ; then
	    AC_MSG_WARN([ no fortran, but find download f2c/fort]);
	    F77=$ff_f77
	    FLIBS=$ff_flibs
	else
	    AC_MSG_NOTICE( [ fatal error : no fortran ] );
	    AC_MSG_NOTICE( [add --disable-fortran  ] );
	    AC_MSG_NOTICE( [or try to compile f2c in directory download/f2c  ] );
	    AC_MSG_NOTICE( [  just do:  make install ] );
	    AC_MSG_ERROR([ Fatal error No Fortran compiler . ],1);
	fi
    fi
#  check if the FLIBS is correct
    ff_libs="$LIBS"
    LIBS="$ff_libs $FLIBS"
    AC_TRY_LINK_FUNC(exit,ff_err=,ff_err=ok);
    if test "$ff_err" = "ok" ; then  AC_MSG_ERROR([ Fatal FLIBS: $FLIBS is incorrect. ],1); fi
    LIBS="$ff_libs"
    echo "F77 LD $ff_libs" >config_LIB_INFO

    AC_MSG_CHECKING([ Size of fortran 77 integer ])



##   AC_LANG(fortran);
    AC_LANG_PUSH([Fortran 77])
    AC_RUN_IFELSE([AC_LANG_SOURCE([[
		program test
		integer  p,i
		p=1024*1024
		i= p*p
		open(7,file="conftest.out")
		if (i>0) then
		    write(7,*) 8
		else
         write(7,*) 4
	 endif
	 close(7)
	 end
 ]])] ,ff_f77intsize=`cat conftest.out`,ff_f77intsize=4,ff_f77intsize=4)
## AC_LANG(C++)
    AC_LANG_POP([Fortran 77])
    AC_MSG_RESULT($ff_f77intsize)
    AC_F77_WRAPPERS

    ff_cfagsf77=""
    case $ac_cv_f77_mangling in
#  "lower case, no underscore, no extra underscore")
#  "lower case, no underscore, extra underscore")
# ;;
	"lower case, underscore, no extra underscore") 	ff_cfagsf77="-DAdd_";;
	"lower case, underscore, extra underscore")       	ff_cfagsf77="-DAdd__ -Df77IsF2C";;
	"upper case, no underscore, no extra underscore")     ff_cfagsf77="-DUPPER";;
	"upper case, no underscore, extra underscore")        ff_cfagsf77="-DUPPER -DAdd__";;
	"upper case, underscore, no extra underscore")      ff_cfagsf77="-DUPPER -DAdd_";;
	"upper case, underscore, extra underscore")           ff_cfagsf77="-DUPPER -DAdd__";;
	*) ;;
    esac
    AC_SUBST(CFLAGSF77,$ff_cfagsf77)
    if test $ff_f77intsize -ne  4
    then
	AC_MSG_ERROR([ Fatal Error: Your fortran 77  compiler have by not 4 bytes integer ( $ff_f77intsize bytes) ],1);
    fi
    test -f /mingw/bin/libpthread-2.dll && ff_pthread_dll=/mingw/bin/libpthread-2.dll ; \
    AC_FF_ADDWHERELIB(f77,$FLIBS,$ff_cfagsf77 $ff_pthread_dll)
    AC_FF_ADDWHERELIB(fc,$FLIBS,$ff_cfagsf77 $ff_pthread_dll)
fi

#  fin test FORTRAN ..........
# ----------------------------

AC_ARG_ENABLE(c,AC_HELP_STRING([--disable-c],[No C compiler available (C BLAS need it)]))
if test "$enable_c" != no
then
    AC_PROG_CC
    AM_PROG_CC_C_O
else

	# We need to define this otherwise ./configure crashes with
	# the message "configure: error: conditional "am__fastdepCC"
	# was never defined".

    am__fastdepCC_TRUE=
    am__fastdepCC_FALSE='#'
fi

AM_PROG_LEX
AC_PROG_YACC
AC_LANG(C++)


# Some useful libraries

AC_CHECK_LIB(pthread,pthread_create,ff_pthread="-lpthread",ff_pthread="")
AC_CHECK_LIB(iomp5,omp_get_wtime,ff_iomp5="-liomp5",ff_iomp5="")
AC_CHECK_LIB([rt],[clock_gettime])

if test -n "$ff_pthread"  ; then
    AC_FF_ADDWHERELIB(pthread,$ff_pthread,)
fi

# Necessary absolute pathname for local directory when some libraries
# are used from several different locations (for instance locally in
# configure.ac and in a subdir).
curdir=`pwd`

# Configure options
# -----------------

echo $ac_configure_args > configure.param
echo "$PATH" > config.path
eval for i in $ac_configure_args\; do echo \$i\; done | sed -e "s/$/'/" -e "s/^/'/"   > config.param

# by default the suffix of the  .so lib file is .so
#      it is .dll   under windows
#      it is .dylib under macos X

# suffix of dynamic lib 
# Checking wether we can produce a MacIntosh-specific version
# -----------------------------------------------------------
AC_MSG_CHECKING(wether we are on a MacIntosh)
ff_mac=no
if test `uname` = Darwin;
then
	ff_HOSTARCH_pastix=i686_mac
	ff_suffix_dylib="dylib"
	ff_suffix_dylib_a="dylib"
	ff_mac=yes
AC_DEFINE_UNQUOTED(FF_PREFIX_DIR_APPLE,"/Applications/FreeFem++.app/Contents/",FreeFem prefix  dir)
fi
AC_MSG_RESULT($ff_mac)

AC_MSG_CHECKING(wether we are on  SunOS)
ff_sunos=no
if test `uname -s` = SunOS;
then
	ff_sunos=yes
fi
AC_MSG_RESULT($ff_sunos)

# glut ------------
# ----------------
ff_glut=""
ff_glut_ok=""
AC_ARG_WITH(glut,[  --with-glut  glutlib and include  ])
if test "$with_glut" != no -a  -n "$with_glut" ; then
    ff_libs_save="$LIBS"
    LIBS="$LIBS"
dnl not works .... so no check .... FH 
      ff_glut="$with_glut";ff_glut_ok=yes
dnl     AC_SEARCH_LIBS(abort,[$with_glut],[ff_glut="$with_glut";ff_glut_ok=yes],[ff_glut="";ff_glut_ok="no"])
    LIBS="$ff_libs_save"
dnl     AC_MSG_ERROR([ Sorry  bad --with-glut :  $with_glut !])
elif test "$with_glut" = no ; then
    ff_glut_ok="no"
fi

# Checking wether we can produce a Microsoft Windows-specific version
# -------------------------------------------------------------------

AC_ARG_ENABLE(cygwindll,
	[  --enable-cygwindll	Forces the use of the Cygwin DLL (not recommended)])

AC_MSG_CHECKING(wether we are on Microsoft Windows)
ff_uname=`uname`
#  flag to build window 32   version   ff_mingw = yes
ff_mingw=no
ff_fpic=yes
case $ff_uname in
    CYGWIN*)
	ff_fpic=no
    	# FFCS - 17/1/12 - -mno-cygwin is not recognised by the latest version of mingw32
	#    ff_nocygwin=-mno-cygwin
	AC_SUBST(GCCNOCYGWIN,$ff_nocygwin);;
    MINGW*|MSYS_NT*)
        enable_cygwindll=no;;


esac
case $ff_uname in
CYGWIN*|MINGW*)
	ff_fpic=no
	ff_suffix_dylib="dll";
	ff_suffix_dylib_a="dll.a";
        ff_win32=yes;

	# FFCS - 8/3/12 - remove -D_MSC_VER under MinGW64 because it forces system calls to be compiled into any object
	# (which creates thousands of duplicate definitions for sytem calls like time()).


	# We need Mingw to avoid Cygwin's extra DLLs
	if test "$enable_cygwindll" != yes
	then
# 	        CHECK_COMPILE_FLAG(C++,-mwindows,CXXFLAGS)

		# FFCS: on Windows, FF crashes when compiling GL/glut.h and the option "--disable-opengl" is not
		# operational because ff_glut_ok is forced to yes here.
		if test $enable_ffcs = yes
		then
	            ff_glut_ok=no
		    ff_glut=""
		    enable_opengl=no
		fi

                ff_mingw=yes
                enable_cygwindll=no;
		ff_pthread="-mthreads"

		# FFCS does not use the Cygwin MinGW compilers any more
		if test $enable_ffcs = no
		then
		    CXXFLAGS="$CXXFLAGS $ff_nocygwin -I/usr/include/mingw"
		    FFLAGS="$FFLAGS $ff_nocygwin"
		    CFLAGS="$CFLAGS $ff_nocygwin -I/usr/include/mingw"
                    AC_COMPILE_IFELSE([AC_LANG_SOURCE([int a;])],[],
			[ff_nocygwin="";
			    AC_MSG_NOTICE([Sorry $ff_nocygwin optio is wrong try whitout , but try with gcc-3.3])
			    ])
		    CXXFLAGS="$CXXFLAGS $ff_nocygwin -I/usr/include/mingw"
		    FFLAGS="$FFLAGS $ff_nocygwin"
		    CFLAGS="$CFLAGS $ff_nocygwin -I/usr/include/mingw"
		    CNOFLAGS="$CNOFLAGS $ff_nocygwin -I/usr/include/mingw"
		fi

		LIBS="$LIBS $ff_nocygwin -mthreads -lws2_32 -lcomdlg32"
		LIBSNOCONSOLE="-mwindows"

		# FFCS uses a specific compiler, so we specify its libraries explicitely
		if test $enable_ffcs = no
		then
		    test -z "$MPIRUN" &&  MPIRUN=`which mpiexe.exe`
		    if test "$enable_fortran" != no  -o  "$with_flib" != no ;   then
			case "$F77" in
	 		    *gfortran) FLIBS="$ff_nocygwin -lgfortran -lquadmath";;
	 		    *g77) FLIBS="$ff_nocygwin -lg2c";;
			    *)   AC_MSG_ERROR([ Sorry no known FLIBS with this $F77  !]) ;;
			esac
		    fi
		fi

		if test -z "$ff_glut" -a  "$ff_glut_ok" != "no" ; then 
                    ff_glutname="glut32"
		#  check abort a existing function just to find in glut32.dll exist in the path
		#  because glutInit is not the real symbol on win32 dur dur FH !!!!!!!!!
		    AC_CHECK_LIB(glut32,abort,ff_glut="-l$ff_glutname -mthreads -lglu32 -lopengl32",ff_glut="")
		    if test -z "$ff_glut" ; then
			ff_glutname="freeglut"
			AC_CHECK_LIB(freeglut,abort,ff_glut="-l$ff_glutname -mthreads -lglu32 -lopengl32",ff_glut_ok=no)
		    fi
		fi
         	# Resources for FreeFem++-cs in Microsoft Windows format
	        AC_SUBST(FFGLUTNAME,$ff_glutname)
	        AC_SUBST(WINDRESOBJ,windres.o)
	        AC_SUBST(LIBSNOCONSOLE,$LIBSNOCONSOLE)
                AC_SUBST(WIN32DLLTARGET,win32-dll-target)
		ff_TEST_FFPP="../src/bin-win32/FreeFem++.exe"
		ff_TEST_FFPP_MPI="../src/bin-win32/FreeFem++-mpi.exe"

                AC_DEFINE(PURE_WIN32,1,A pure windows applications no cygwin dll)
		ff_dynload=yes
	fi


	;;
*) ff_win32=no;;
esac
AC_MSG_RESULT($ff_win32)

if test "$ff_win32" = no
then
	enable_cygwindll=no
fi

# FreeFem++-specific version information
# --------------------------------------

# Version numbering, converted to a floating point value
ff_numver="`echo $VERSION|sed 's/-\(.*\)/+\1.0*0.000001/'`"
AC_DEFINE_UNQUOTED(VersionFreeFempp,$ff_numver,FreeFem++ version as a float)

# Since src/fflib/strversionnumber.cpp is recreated at each build, this
# date is only useful for config-version.h

test "$prefix" = NONE && prefix="$ac_default_prefix"
ff_prefix_dir="${prefix}/lib/ff++/$VERSION"
AC_MSG_CHECKING(prefix dir freefem++  )
AC_MSG_RESULT($ff_prefix_dir)

AC_DEFINE_UNQUOTED(VersionFreeFemDate,"$FF_DATE",FreeFem++ build date)
AC_DEFINE_UNQUOTED(FF_PREFIX_DIR,"${ff_prefix_dir}",FreeFem prefix  dir)
AC_SUBST(ff_prefix_dir,$ff_prefix_dir)

# Separate configuration header file for version information, included
# in config-macos9.h

cat << EOF > config-version.h
/* FreeFem++ version information for MacOS 9 configuration */
/* File generated by configure.ac */

/* Define to the full name and version of this package. */
#define PACKAGE_STRING "$PACKAGE_STRING"

/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "$PACKAGE_TARNAME"

/* Define to the version of this package. */
#define PACKAGE_VERSION "$PACKAGE_VERSION"

/* Version number of package */
#define VERSION "$VERSION"

/* FreeFem++ build date */
#define VersionFreeFemDate "$FF_DATE"

/* FreeFem++ version as a float */
#define VersionFreeFempp ($ff_numver)
EOF

# Checking wether to produce a debug version
# ------------------------------------------

# Generic or hardware-dependant optimization
m4_include(acmacros.m4)
m4_include(acoptim.m4)
m4_include(ax_lib_hdf5.m4)
m4_include(ax_lib_gsl.m4)
# Checking c++11 for schwarz/hpddm  interface of P. Jolivet ...
# F.Hecht:
# do not compile all with c++11 version to much 
# probleme to day (frev 2015) with g++ 4.8.1
ff_cxx_save=$CXXFLAGS
CHECK_COMPILE_FLAG(C++,[-std=c++11],CXXFLAGS,ff_cxx11)
dnl CXXFLAGS="$CXX11FLAGS $CXXFLAGS"
dnl ff_cxx11="no"
dnl if test -n "$CXX11FLAGS" ; then ff_cxx11="yes" ; fi
if test "$ff_cxx11" = yes ; then
    CXX11FLAGS="-std=c++11";
    AC_FF_ADDWHERELIB(cxx11,$CXX11FLAGS,$CXX11FLAGS)
fi
CXXFLAGS="$ff_cxx_save"
AC_SUBST(WITH_CXX11,$ff_cxx11)
AC_SUBST(CXX11FLAGS,$CXX11FLAGS)
#end Checking  c++11
# ------------------------------
# compilation flags of FreeFem++
# ------------------------------
#  -DDRAWING  bamg active some drawing facility in bamg (inquire mesh)
#  -DBAMG_LONG_LONG active the use of  long long in bamg
#  -DDEBUG active the  checking in bamg
#  -DNCHECKPTR remove check pointer facility
#  -DCHECK_KN active subscripting of some array
#  -DWITHCHECK of the dynamic type ckecking of the langague (very slow)
#  -DEIGENVALUE  to compile the eigen value part
#  ------------------------------------------------

# FreeFrem++-specific optimizations -fpascal-strings


if test "$enable_debug" = yes;
then
	CXXFLAGS="$CXXFLAGS  -DBAMG_LONG_LONG -DCHECK_KN"
	if test "$ff_mac" = yes;
	then
		CXXFLAGS="$CXXFLAGS -fno-inline  -fexceptions"
	fi
else
	CXXFLAGS="$CXXFLAGS -DBAMG_LONG_LONG  -DNCHECKPTR"
	if test "$ff_mac" = yes;
	then
		CXXFLAGS="$CXXFLAGS "
	fi
fi

#whether or not to add a suffix to the package name
#--------------------------------------------------

AC_ARG_WITH(suffix,[  --with-suffix=[G3/G4/G4,P4,..] or --without-suffix (default no suffix to package name)])

AC_MSG_CHECKING(suffix to add to package name)
ff_suffix=
if test "$with_suffix" = yes -o "$with_suffix" = no -o "$with_suffix" = ""
then
  AC_MSG_RESULT(none)
else
  ff_suffix="-$with_suffix"
  AC_MSG_RESULT($ff_suffix)
fi
AC_SUBST(ADD_PACKAGE_NAME,$ff_suffix)




# Checking that OpenGL is accessible
# ----------------------------------

ff_gl_ok=no
ff_glx_ok=no

ff_libs="$LIBS"
AC_ARG_WITH(flib,[  --with-flib= the fortran library ])
AC_ARG_ENABLE([opengl],AS_HELP_STRING([--enable-opengl],
                                      [Enable/disable support for OpenGL]))

# echo "  .... LIBS = $LIBS .... "
if test x$enable_opengl != xno; then
# GL libraries seem to depend on some dlopen capabilities
if test "$enable_static" != yes -a "$ff_glut_ok" != yes
then
	# If we cannot find gl.h, no OpenGL version can be produced
    AC_CHECK_HEADERS(OpenGL/gl.h,
        ff_gl_ok=yes
        ,
        ff_gl_ok=no
        )


    if test "$ff_gl_ok" = no
    then
	AC_CHECK_HEADERS(GL/gl.h,
	    ff_gl_ok=yes
	    ,
	    ff_gl_ok=no
	    )
    fi
    AC_CHECK_HEADERS(GLUT/glut.h,
        ff_glut_ok=yes,
        ff_glut_ok=no)

    if test "$ff_glut_ok" = no
    then
	AC_CHECK_HEADERS(GL/glut.h,
	    ff_glut_ok=yes,
	    ff_glut_ok=no)
    fi

# GLUT .....
    if test "$ff_glut_ok" =	yes
    then
	for glut in \
	    "-framework GLUT -framework OpenGL -framework Cocoa" \
	    "-lglut -lGLU -lGL"
	do
	    ff_glut="$glut"
	    ff_libs1="$LIBS"
     	    LIBS="$LIBS $ff_glut"
	    AC_TRY_LINK_FUNC(glutInit,
		ff_glut_ok=yes
	        LIBS="$ff_libs1"
		break,
		ff_glut_ok=next);
	    LIBS="$ff_libs1"
	done
    fi


fi
fi
AC_SUBST(LIBSPTHREAD,$ff_pthread)

# ALH - 16/9/13 - at the moment the requirements for medit (glut) are not compatible with FFCS so medit is
# only compiled with FF.

if test $enable_ffcs = no
then
    if test "$ff_glut_ok" = yes
    then
	AC_SUBST(LIBSGLUT,$ff_glut)
	if test -n  "$ff_pthread" ; then
	    ff_ffglutprog="ffglut${EXEEXT}"
	    AC_DEFINE_UNQUOTED(PROG_FFGLUT,"$ff_ffglutprog", the ffglut application for the new graphics )
	fi
	ff_meditprog="ffmedit${EXEEXT}"
    fi
fi

AC_ARG_WITH(suffix,[  --with-suffix=[G3/G4/G4,P4,..] or --without-suffix (default no suffix package name)])
if test "$with_suffix" = yes
then
  with_suffix=""
elif test "$with_suffix" = no -o -z "$with_suffix"
then
  with_suffix=""
else
  with_suffix="-$with_suffix"
fi
  AC_MSG_CHECKING(add suffix $with_suffix )
  AC_SUBST(ADD_PACKAGE_NAME,$with_suffix)
  AC_MSG_RESULT(yes)


# Checking wether we can produce a parallel version
# -------------------------------------------------

if test $enable_ffcs = no
then
    # FF case
    m4_include(acmpi.m4)
else
    # FFCS - use the same MPI configuration choices as FFCS
    ff_mpi=yes
    AC_SUBST(MPICXX,$MPICXX)
    AC_SUBST(MPICC,$MPICC)
    AC_SUBST(MPIF77,$MPIF77)
    AC_SUBST(MPIFC,$MPIFC)
    AC_SUBST(MPIPROG,"FreeFem++-mpi${EXEEXT}")
    AC_SUBST(MPI_INCLUDE,"-I $MPI_INC_DIR")
    AC_SUBST(MPI_INC_DIR,$MPI_INC_DIR)
    AC_SUBST(MPI_LIB_DIRS,"")
    AC_SUBST(MPI_LIB,$MPI_LIB)
    AC_SUBST(MPI_LIBC,"")
    AC_SUBST(MPI_LIBFC,"")

    # Extra MPI-dependant configuration options that are set by FF during MPI configuration. FFCS - 25/2/13 - Fred
    # noticed that if PASTIX_HOSTARCH stays blank, pastix compilation breaks. At least i686_pc_linux and i686_mac are
    # required by pastix on the corresponding platforms.

    if test"$ff_HOSTARCH_pastix" = ""
    then
	ff_HOSTARCH_pastix=i686_pc_linux
    fi
    AC_SUBST(PASTIX_HOSTARCH,$ff_HOSTARCH_pastix)

    # these values should not be empty otherwise examples++-load/ff-get-dep will think that they are not defined
    AC_FF_ADDWHERELIB(mpi,-DDUMMY,-I$MPI_INC_DIR)

    # mpifc and mpif77 libraries should always be specified because FF never calls the Fortran MPI compiler. It always
    # uses mpicxx in [[file:examples++-load/ff-c++]]. The resulting Fortran libraries (eg Mumps) would compile even
    # without the proper Fortran libs, but they would not load properly.

    # under Win32, libmpi_f77.a is not the right name and FFCS mingw/mpicxx adds the right libraries by itself

    # With mpich2 Debian wheezy 32 bits, libmpi_f77.a is not available (request from Cico, 14/10/13)

    if test -f /usr/lib/openmpi/lib/libmpi_f77.a
    then
        AC_FF_ADDWHERELIB(mpifc,-lmpi_f77,)
    	AC_FF_ADDWHERELIB(mpif77,-lmpi_f77,)
    else
        AC_FF_ADDWHERELIB(mpifc,-DDUMMY,)
    	AC_FF_ADDWHERELIB(mpif77,-DDUMMY,)
    fi

    # FFCS - MPI_DOUBLE_COMPLEX kept from original FF configure script
    AC_MSG_CHECKING( MPI_DOUBLE_COMPLEX)
    AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE([
#include <mpi.h>
		MPI_Datatype xxxx=MPI_DOUBLE_COMPLEX;
		])],
    ff_mpi_double_complex=yes,
    ff_mpi_double_complex=no)
    AC_MSG_RESULT($ff_mpi_double_complex)
    if test "$ff_mpi_double_complex" = yes  ; then
	AC_DEFINE(HAVE_MPI_DOUBLE_COMPLEX,1, mpi_double_complex)
    fi
fi

# FFCS needs to change some of the FF makefiles to compile without MPI on MacOS
AM_CONDITIONAL([FFCS_MPIOK],[test $ff_mpi = yes])

# Looking for useful configuration utilities
# ------------------------------------------

AC_ARG_ENABLE(download,AC_HELP_STRING([--enable-download],[Download missing libraries (BLAS,ARPACK,UMFPACK,...)]))
## PETSc
AC_ARG_WITH(petsc,[  --with-petsc=/usr/local/petsc/conf/petscvariables   --without-petsc  ])
# /usr/local/petsc/conf/petscvariables 
#/usr/local/ff++/petsc/lib/petsc/conf/petscvariables
ff_petsc_ok=no
## echo --$with_petsc--
if test "$with_petsc" != no -a  $ff_mpi = yes; then
    for d in "$with_petsc" /usr/local/ff++/petsc/lib  /usr /usr/local /opt/usr  /opt/local ;do
	for dd in "" "/petsc/conf/petscvariables" "/lib/petsc-conf/petscvariables" ; do
	    ffconfpetsc="$d$dd"		
	    if test -f "$ffconfpetsc" ; then 
		if test  "$ff_petsc_ok" = no ; then
		    PETSC_MPIRUN=`awk -F' *= *' '"MPIEXEC"==$1 {print $2}' "$ffconfpetsc"`
		    test "$PETSC_MPIRUN" = "$MPIRUN" ||  cmp -s  `which "$PETSC_MPIRUN"` `which "$MPIRUN"`
		    if test "$?"  -eq 0 ; then
		        AC_FF_PETSC_WHERELIB(petsc,PETSC_WITH_EXTERNAL_LIB,PETSC_CC_INCLUDES)
		        AC_FF_PETSC_WHERELIB(parmetis,PARMETIS_LIB,PARMETIS_INCLUDE)
		        AC_FF_PETSC_WHERELIB(metis,METIS_LIB,METIS_INCLUDE)
		        AC_FF_PETSC_WHERELIB(ptscotch,PTSCOTCH_LIB,PTSCOTCH_INCLUDE)
		        AC_FF_PETSC_WHERELIB(scotch,SCOTCH_LIB,SCOTCH_INCLUDE)
		        AC_FF_PETSC_WHERELIB(fftw3_mpi,FFTW_LIB,FFTW_INCLUDE)
		        AC_FF_PETSC_WHERELIB(mumps,MUMPS_LIB,MUMPS_INCLUDE)
		        AC_FF_PETSC_WHERELIB(scalapack,SCALAPACK_LIB,SCALAPACK_INCLUDE)
			AC_FF_PETSC_WHERELIB(suitesparse,SUITESPARSE_LIB,SUITESPARSE_INCLUDE)
			AC_FF_PETSC_WHERELIB(blaslapack,BLASLAPACK_LIB,BLASLAPACK_INCLUDE)
			
		#	PETSC_WITH_EXTERNAL_LIB=`awk -F'=' '"PETSC_WITH_EXTERNAL_LIB "==$1 {print $2}' $ffconfpetsc`
		#	PETSC_CC_INCLUDES=`awk -F'=' '"PETSC_CC_INCLUDES "==$1 {print $2}' $ffconfpetsc`
		#	if test -n "$PETSC_WITH_EXTERNAL_LIB"; then 
		#	    ff_petsc_ok=yes;
		#	    AC_FF_ADDWHERELIB(petsc,$PETSC_WITH_EXTERNAL_LIB,$PETSC_CC_INCLUDES)
		#	fi
		    else
			AC_MSG_NOTICE([" Warning PETSC MPI and FF++ MPI not the same: $PETSC_MPIRUN != $MPIRUN." ]);			
		    fi
		fi
	    else
		# test  "$ff_petsc_ok" = no && echo "  *** try $ffconfpetsc"
		ffconfpetsc="";

	    fi
	done
    done
fi


if test "$ff_petsc_ok" != no ;   then
    AC_MSG_NOTICE([ with petsc  $ff_petsc_ok])
else
    AC_MSG_NOTICE([ without petsc ***** ])
fi

if test "$ff_where_lib_conf_fftw3_mpi" = 1  ; then
  ff_where_fftw3=`echo $ff_where_lib_fftw3_mpi| sed -e 's/-lfftw3_mpi//g'` 
  AC_FF_ADDWHERELIB(fftw3,$ff_where_fftw3,$ff_where_inc_fftw3_mpi)
  AC_MSG_NOTICE([ fftw3 from  petsc ***** ]) 
fi


#replacing wget with another command
ff_wget_command="wget --no-check-certificate"
ff_wget=no

AC_ARG_WITH(wget,
	[  --with-wget=command	Replace "wget" with another command. Implies --enable-download],
	   enable_download=yes
	   ff_wget=yes
	   ff_wget_command="${withval}")

ff_mkl_libpath=yes
AC_ARG_WITH(mkl,
	[  --with-mkl= the  MKL LIBPATH : (ie. /opt/intel/mkl/RR.r.y.xxx/lib/<arch>)],
	   ff_mkl_libpath="${withval}")

# if enabling downloads find wget or curl to do download
# ------------------------------------------------------

if test  "$ff_wget" =  no
then
	ff_wget=""
	AC_CHECK_PROG(ff_wget,wget --no-check-certificate,yes,no)
fi
if test  "$ff_wget" = no
then
        ff_wget_command="curl --fail -O "
  	ff_curl=""
	AC_CHECK_PROG(ff_curl,curl -O,yes,no)
	ff_wget="$ff_curl"
fi

# for automatique compilation of
# lib in download
if test  "$ff_wget" != yes  -a "$enable_download"  = "yes"  ; then
  enable_download=no
  AC_MSG_ERROR([   enable-download and no wget or curl. ],1);
fi
if test "$enable_download"  = "yes" ; then
DOWNLOADCOMPILE="compile-pkg install-other"
else
DOWNLOADCOMPILE=
fi

AC_SUBST(WGET,$ff_wget_command)
AC_SUBST(DOWNLOADCOMPILE,$DOWNLOADCOMPILE)

#  modif FH -----
#  -- looking for cadna
#  the round-off error propagation
# the web site http://www-anp.lip6.fr/cadna/
#  --------------------
AC_ARG_WITH(cadna,[  --with-cadna= cadna library --without-cadna  ])
if test "$with_cadna" != no -o -n  "$with_cadna"
    then
    ff_cadna="$with_cadna"
fi
ff_cadna_ok=no
if test "$with_cadna" != no
    then
    ff_libs_old="$LIBS"
    ff_ldflags_old="$LDFLAGS"
    ff_cadna_dir="${curdir}/download/cadna"
    LDFLAGS="$LDFLAGS -L$ff_cadna_dir"
    AC_CHECK_LIB(cadnafree,arit_zero,
	ff_cadna_ok=yes)
    AC_CHECK_HEADERS(${ff_cadna_dir}/cadnafree.h,
	ff_cadna_h=yes, ff_cadna_h=no)

    LIBS="$ff_libs_old"
    LDFLAGS="$ff_ldflags_old"

    if test "$ff_cadna_ok" = yes  -a "$ff_cadna_h" = yes
	then
	AC_DEFINE(HAVE_CADNA,1, freecadna is use to evalute the round-off error propagation )
	CPPFLAGS="$CPPFLAGS -I$ff_cadna_dir"
	LIBS=" -L$ff_cadna_dir -lcadnafree $ff_libs_old"
    else
	AC_MSG_NOTICE([ without cadna ***** ])
    fi
else
    AC_MSG_NOTICE([ without cadna ***** ])
fi

# Looking for FFTW
# ----------------

# ALH - 18/9/13 - deactivates FFTW detection for testing purposes

AC_ARG_ENABLE(system_fftw,AC_HELP_STRING([--disable-system-fftw],[Disable the automatic detection of FFTW]))
if test "$enable_system_fftw" != no
then

    # ALH - 4/9/13 - avoid recompiling FFTW if a copy was found on the system (request from Helmut Jarausch, 1/8/13)

    AC_CHECK_LIB(fftw3,fftw_execute,ff_fftw_ok=yes)
    AC_CHECK_HEADERS(fftw3.h,ff_fftw_h=yes, ff_fftw_h=no)
fi

if test "$ff_fftw_ok" = yes -a "$ff_fftw_h" = yes
then
    AC_FF_ADDWHERELIB(fftw3,-lfftw3,)
    fftw_download=
else
    if test "$enable_download" = yes
    then
	ff_DOWNLOAD_FFTW=fftw
    fi
fi

# used in [[file:download/fftw/Makefile.am::DOWNLOAD_FFTW]]

AC_SUBST(DOWNLOAD_FFTW,$ff_DOWNLOAD_FFTW)

dnl ---------------------------
dnl   Looking for the tetgen
dnl --------------------------
dnl AC_CHECK_LIB(tet,tetrahedralize,ff_fftet_ok=yes)
dnl AC_CHECK_HEADERS(tetgen.h,ff_tet_h=yes, ff_tet_h=no)
dnl if test "$ff_tet_ok" = yes -a "$ff_tet_h" = yes
dnl then
dnl    AC_SUBST([TOOL_COMPILE_tetgen],"")
dnl AC_FF_ADDWHERELIB(tetgen,-ltet,)
dnl    AC_DEFINE(HAVE_TETGEN,1, tetgen is compute tetrahedralize volume of an enclosed surface)
dnl fi

# Looking for the BLAS
# --------------------

ff_blas_ok=no
ff_blas_inc=""

# ALH - 18/9/13 - give the option to deactivate system blas for testing purposes
AC_ARG_ENABLE(system-blas,AC_HELP_STRING([--disable-system-blas],[Disable the search for a system-wide BLAS library]))
if test "$ff_where_lib_conf_blaslapack" = 1  ; then
  echo " use BLAS/Lapack of petsc "
#  echo "  lib: $ff_where_lib_blaslapack inc: $ff_where_inc_blaslapack"
	    ff_blas_ok=yes
	    ff_lapack_ok=yes
	    ff_blas_libs="$ff_where_lib_blaslapack"
	    ff_lapack_lib=
	    ff_blas_inc="$ff_where_inc_blaslapack"
       AC_FF_ADDWHERELIB(lapack,$ff_mkl_lapack,$ff_blas_inc)
	   AC_FF_ADDWHERELIB(blas,$ff_blas_libs,$ff_blas_inc)
	   AC_MSG_NOTICE([ BLAS and LAPACK  from  petsc ***** ]) 
	   if  echo  "$ff_where_lib_blaslapack"| grep -q  " -lmkl"  ; then
	     	AC_MSG_NOTICE([ MKL  from  petsc ***** ]) 
	        AC_FF_ADDWHERELIB(mkl,$ff_blas_libs,$ff_blas_inc)
	   fi

fi

if test "$enable_system_blas" != no -a "$ff_blas_ok" = no
then

    # User-specified location
    # add MKL  seach dec 2010  FH ....

    ff_mkl_flags=""
    if test "$ff_mkl_libpath" != "not" ; then
	ff_CFLAGS="$CFLAGS"
	CHECK_COMPILE_FLAG(C,-mkl,CFLAGS)
	if test  "$ff_CFLAGS" != "$CFLAGS" ; then
	    ff_ff_mkl_flags="-mkl"
	fi
	CFLAGS="$ff_CFLAGS"
    fi

    AC_MSG_CHECKING(for MKL)
    ff_mkl_root=""
    if test "$ff_mkl_libpath" != "not" -a -z "$ff_mkl_flags" ; then
	
	if test "$ff_mkl_libpath"  = "yes"  ; then
	    ff_IFS="$IFS"
	    IFS=":"
	    for i in $LD_LIBRARY_PATH:$LIBRARY_PATH ; do
		case $i in
		    */mkl/*) ff_mkl_libpath=$i;;
		esac ;
	    done;
	    IFS="$ff_IFS"
#	else
#	    ff_mkl_libpath=no
	fi

	if test "$ff_mkl_libpath" != "no" -a -d "$ff_mkl_libpath" ; then
	    ff_mkl_root=`expr "//$ff_mkl_libpath" : '//\(.*\)/lib.*'`
	    ff_mkl_arch=`expr "//$ff_mkl_libpath" : '//.*/lib/\(.*\)'`
            ff_mkl_lp=_lp64
            case "$ff_mkl_arch" in
		*64*)  ff_mkl_lp=_lp64
	    esac
            case $F77 in
		*ifort*) ff_mkl_cc=intel;;
		*) ff_mkl_cc=gf;;
            esac
            # bof bof ....
	    case "$MPIRUN" in
		*/sgi/*)         ff_mkl_mpi=_sgimpt;;
		*/intel/*)         ff_mkl_mpi=_intelmpi;;
		*)        ff_mkl_mpi=_openmpi;;
	    esac
#            echo ................  ff_mkl_root = $ff_mkl_root  .. $ff_mkl_arch
	    if test ! -d "$ff_mkl_libpath" ; then
		ff_mkl_libpath="$ff_mkl_root/lib/$ff_mkl_arch"
	    fi
	    
	    if test  -f "$ff_mkl_libpath/libmkl_rt.$ff_suffix_dylib" ; then
		mkl_blas=rt
		mkl_lapack=rt
		ff_mkl_mlt="-L$ff_mkl_libpath -lmkl_rt -lmkl_intel_thread -lmkl_core  $ff_iomp5 $ff_pthread"
		ff_mkl_blas="-L$ff_mkl_libpath -lmkl_rt -lmkl_sequential -lmkl_core   $ff_iomp5 $ff_pthread"
		ff_mkl_lapack="$ff_mkl_blas"
	    elif test -f "$ff_mkl_libpath/libmkl_lapack.$ff_suffix_dylib" ; then
		ff_mkl_mlt="-L$ff_mkl_libpath -lmkl_${ff_mkl_cc}${ff_mkl_lp} -lmkl_lapack -lmkl_intel${ff_mkl_lp} -lmkl_intel_thread  -lmkl_core -lguide  -lm -lpthread"
		ff_mkl_blas="-L$ff_mkl_libpath -lmkl_${ff_mkl_cc}${ff_mkl_lp} -lmkl_lapack -lmkl_intel${ff_mkl_lp} -lmkl_sequential -lmkl_core -lguide -lm -lpthread"
		ff_mkl_lapack="-L$ff_mkl_root/lib/$ff_mkl_arch -lmkl_lapack"
	    else
		ff_mkl_mlt="$ff_ldbg  -L$ff_mkl_libpath -lmkl_${ff_mkl_cc}${ff_mkl_lp}  -lmkl_intel${ff_mkl_lp}  -lmkl_intel_thread  -lmkl_core -lmkl_intel_thread $ff_iomp5  $ff_ldeg  -lm $ff_pthread"
		ff_mkl_blas="$ff_ldbg  -L$ff_mkl_libpath -lmkl_${ff_mkl_cc}${ff_mkl_lp}  -lmkl_intel${ff_mkl_lp} -lmkl_sequential -lmkl_core  -lmkl_sequential $ff_ldeg   -lm $ff_pthread"
		ff_mkl_lapack="$ff_mkl_blas"
	    fi
	    if test -f "-L$ff_mkl_libpathmkl_scalapack${ff_mkl_lp}" ; then 
            ff_mkl_scalapack="-L$ff_mkl_libpath -lmkl_blacs${ff_mkl_mpi}${ff_mkl_lp} -lmkl_scalapack${ff_mkl_lp} "
            ff_mkl_blacs="-L$ff_mkl_libpath -lmkl_blacs${ff_mkl_mpi}${ff_mkl_lp} -lmkl_scalapack${ff_mkl_lp}"
	    fi
	    ff_blas_ok=yes
	    ff_lapack_ok=yes

	    # <<enable_mkl_mlt>> ALH - 6/11/13 - request from Atsushi Suzuki - the default MKL library must be able to
	    # handle threads when FF is connected to AS' solver. So we need an option to configure FF with the
	    # multithreaded MKL by default.

	    AC_ARG_ENABLE(mkl_mlt,AC_HELP_STRING([--enable-mkl-mlt],[Link with the multithreaded instead of the monothreaded version of the MKL]))

	    if test "$enable_mkl_mlt" = yes
	    then
		ff_blas_libs="$ff_mkl_mlt"
	    else
		ff_blas_libs="$ff_mkl_blas"
	    fi

	    ff_blas_inc="-I$ff_mkl_root/include"
	    dnl  scalapack, and blacs do not not work with mlk and sgi
	    if test "$ff_mkl_mpi" = "_intelmpi" ; then
		AC_FF_ADDWHERELIB(scalapack,$ff_mkl_scalapack,$ff_blas_inc)
		AC_FF_ADDWHERELIB(blacs,$ff_mkl_blacs,$ff_blas_inc)
	    else
		ff_warm=" (We do not use MKL scalapack and blacs with sgi MPI),  "
	    fi
	    AC_FF_ADDWHERELIB(lapack,$ff_mkl_lapack,$ff_blas_inc)
	    AC_FF_ADDWHERELIB(mkl,$ff_mkl_mlt,$ff_blas_inc)
            AC_DEFINE(HAVE_MKL,1, the MKL intel lib is present for BLAS and LAPACK  )
	else
	    ff_mkl_libpath=no

	# FH - pardiso is there as soon as mkl is
            enable_pardiso=no
	fi
    fi


    AC_MSG_RESULT( [ $ff_warm  root: $ff_mkl_root , arch: $ff_mkl_arch , $ff_mkl_lp ...  ])

    AC_ARG_WITH(blas,
	AC_HELP_STRING([--with-blas=library],[Use a specific version of the Blas]),
	ff_blas_ok=yes
	ff_blas_libs="${withval}")

    # Specific BLAS library location for FreeBSD
    ff_freebsd_blas="-lf2c -lf77blas -latlas -lgslcblas"
    #  zmach is in lapack
    # Trying  blas library
    # echo "LIBS =  $LIBS blas --- $ff_blas_ok"
    for iblas in \
	"-framework Accelerate" "$ff_mkl_blas" "-lblas"  "-L/usr/lib/atlas -lblas" \
	$ff_freebsd_blas
    do
	if test "$ff_blas_ok" = no;
	then
            AC_MSG_CHECKING(for daxpy_ in $iblas)
            ff_save_libs="$LIBS"
            LIBS="$LIBS $iblas"
            AC_LINK_IFELSE(
		[AC_LANG_CALL(,daxpy_)],
		ff_blas_ok=yes
		ff_blas_libs="$iblas",)
            LIBS="$ff_save_libs"
            AC_MSG_RESULT($ff_blas_ok)
	fi
    done

    #cblas_zdotu_sub
    #echo "LIBS = " $LIBS
    ff_cblas_libs=no
    if test "$ff_blas_ok" = yes
    then
	AC_MSG_CHECKING(for blas_zdotu_sub in $ff_blas_libs)
	ff_save_libs="$LIBS"
	LIBS="$LIBS $ff_blas_libs $FLIBS"
	AC_LINK_IFELSE(
            [AC_LANG_CALL(,cblas_zdotu_sub)],
            ff_cblas_libs=yes)
	AC_MSG_RESULT($ff_cblas_libs)
	LIBS="$ff_save_libs"
    fi
fi

# <<OpenBLAS>> ALH - 18/9/13 - option to compile the OpenBLAS moved from the FFCS tree to FF tree

AC_ARG_ENABLE(openblas,AC_HELP_STRING([--disable-openblas],[Disable the automatic download of OpenBLAS]))
if  test "$ff_blas_ok" = no && test "$enable_openblas" != no && test "$enable_download" = yes
then
    AC_CHECK_PROG(ff_git,git,yes,no)
    AC_MSG_CHECKING([Activating the OpenBLAS (deactivate with --disable-openblas)])
    if test $ff_git = no
    then
	AC_MSG_RESULT([git not found])
    else
	ff_download_blas=openblas

	# it is necessary to split the library path into -L and -l otherwise ff/upstream/examples+++-load/ff-c++ will
	# place -lgfortran in LIBS, .../libgoto___.lib in OTHER, and call the compiler with $LIBS before $OTHER, which
	# will fail.

	ff_blas_libs="-L${curdir}/download/blas/OpenBLAS -lopenblas -lgfortran -lquadmath $ff_pthread"
	ff_blas_inc="-I${curdir}/download/blas/CBLAS/src"

        # skip generic blas compilation and activate OpenBLAS (see [[file:download/blas/Makefile.am::OpenBLAS]])
	AC_SUBST(DOWNLOADED_BLAS,"")
	AC_SUBST(COMPILE_OPENBLAS,openblas)

	ff_blas_ok=yes
	ff_cblas_h=yes
	ff_cblas_libs=yes

	AC_MSG_RESULT([ok])
    fi
fi

# If all else fails, download a generic version

if test "$ff_blas_ok" = no -a "$enable_download" = yes -a "$enable_fortran" != no -a "$enable_c" != no
then
    AC_CHECK_PROG(ff_unzip,unzip,yes,no)

    AC_MSG_CHECKING(for BLAS version to download)

    # Do not update $LIBS, but create an extra LIB variable, because this lib does not exist yet, and this could make
    # the following tests fail.

    # When compiling a generic version, we do not need an optimized version of the BLAS.

    ff_download_blas=generic
    ff_blas_libs="-L${curdir}/download/blas -lcblas -lf77blas"
    ff_blas_inc="-I${curdir}/download/blas/CBLAS/src"

    AC_SUBST(DOWNLOADED_BLAS,"libf77blas.a libcblas.a")
    AC_SUBST(DOWNLOADED_BLAS_BUILT_SOURCES,'BLAS CBLAS $(F77BLAS_SOURCES) $(CBLAS_SOURCES)')

    AC_MSG_RESULT($ff_download_blas)
    ff_blas_ok=yes
    ff_cblas_h=yes
    ff_cblas_libs=yes
fi

AC_SUBST(BLASLIBS,$ff_blas_libs)
AC_SUBST(BLASINC,$ff_blas_inc)

#looking for cblas.h  FH

if test "$ff_blas_ok" = yes -a "$ff_cblas_libs" = yes ;
then
    AC_CHECK_HEADERS(cblas.h,
	ff_cblas_h=yes,
	ff_cblas_h=no)
    AC_CHECK_HEADERS(Accelerate/cblas.h,
	ff_cblas_h=yes
	ff_cblas_h=no)
    AC_CHECK_HEADERS(atlas/cblas.h,
	ff_cblas_h=yes
	ff_cblas_h=no)
fi

# ALH - 18/9/13 - [[file:download/blas/Makefile.am]] does not update the WHERE mechanism so it always needs to be set up
# here even in the case of a downloaded blas library.

AC_FF_ADDWHERELIB(blas,$ff_blas_libs,)

# end of BLAS -------------------

# Looking for ARPACK
# ------------------

# We need the following g77 libraries to connect to the Fortran 77
# Arpack.

if test "$ff_blas_ok" = yes;
then
  ff_g2c_lib="$FLIBS"
       if test  -n "$ff_g2c_lib"
       then
           LIBS="$LIBS $ff_g2c_lib"
       else
	  ff_g2c_ok=no
	  AC_CHECK_LIB(g2c,G77_second_0,
		LIBS="$LIBS -lg2c"
		ff_g2c_lib="-lg2c"
		ff_g2c_ok=yes)

	  if test "$ff_g2c_ok" = no;
	     then
	        AC_MSG_CHECKING(for G77_second_0 in /sw/lib/libg2c.a)
		ff_save_libs="$LIBS"
		LIBS="$LIBS -L/sw/lib -lg2c"
		AC_LINK_IFELSE(
			[AC_LANG_CALL(,G77_second_0)],
			ff_g2c_lib="-L/sw/lib -lg2c"
			ff_g2c_ok=yes,
			LIBS="$ff_save_libs")
		AC_MSG_RESULT($ff_g2c_ok)
	  fi
	fi
fi

# Copy the result of g2c investigations into a separate variable
# because BLAS compilation will need it.

AC_SUBST(G2CLIB,$ff_g2c_lib)
#looking of  lapack if no compile the arpack lapack
# warning $$ because the make eat one
ff_lapack_ok=no;
ff_lapack_lib=
AC_MSG_CHECKING([for lapack in $LIBS, $ff_blas_libs and -llapack] )
    if test "$ff_blas_ok" = yes ; then
        AC_LINK_IFELSE( [AC_LANG_CALL(,dgeqr2_)], ff_lapack_ok=yes)
	if test "$ff_lapack_ok" = no ; then
	    ff_save_libs=$LIBS
	    LIBS="$ff_save_libs $ff_blas_libs"
            AC_LINK_IFELSE( [AC_LANG_CALL(,dgeqr2_)], ff_lapack_ok=yes)
	    if test "$ff_lapack_ok" = no ; then
	    LIBS="$ff_save_libs -llapack $ff_blas_libs"
            AC_LINK_IFELSE( [AC_LANG_CALL(,dgeqr2_)], [ff_lapack_ok=yes
	    ff_lapack_lib="-llapack"] )
	    fi
	    LIBS="$ff_save_libs"
	fi
    fi

AC_MSG_RESULT($ff_lapack_ok)
if test "$ff_lapack_ok" != no ; then
AC_SUBST(LAPACKLIBS,$ff_lapack_lib)
fi
if test "$ff_lapack_ok" = no; then
    AC_ARG_WITH(lapack,
	AC_HELP_STRING([--with-lapack=library],[Use a specific version of Lapack]),
	ff_lapack_ok=yes
	ff_lapack_lib="${withval}"
	LIBS="$ff_lapack_lib $LIBS")
fi

# Lapack configuration for Arpack

ff_lapackdir='$$(LAPACKdir)'
if test "$ff_lapack_ok" = yes
then
    # no compilation of lapack in arpack
    ff_lapackdir=
else
    ff_lapack_lib="-L${curdir}/download/lib -llapack"
fi

# Arpack itself

ff_arpack_ok=no
ff_save_libs="$LIBS"
ff_arpack_libs=
if test "$ff_blas_ok" = yes;
then

	# User-specified location
	AC_ARG_WITH(arpack,
		[  --with-arpack=library	Use a specific version of Arpack],
		ff_arpack_ok=yes
		ff_arpack_libs="${withval}")

	# Default locations
	if test "$ff_arpack_ok" = no;
	then
		AC_CHECK_LIB(arpack,dsaupd_,
			ff_arpack_libs="-larpack -llapack"
			ff_arpack_ok=yes,,
			-llapack)
	fi

   # Trying to "locate" Arpack
   if test "$ff_arpack_ok" = no -a "$enable_download" != yes ;
   then
        AC_MSG_CHECKING(for libarpack with locate)
        ff_lib_arpack=`locate libarpack|grep  'libarpack.*.a$'|head -1`
	LIBS="$ff_lib_arpack $LIBS"
        AC_LINK_IFELSE(
                [AC_LANG_CALL(,dsaupd_)],
                ff_arpack_ok=yes
                ff_arpack_libs="$ff_lib_arpack")
        AC_MSG_RESULT($ff_arpack_ok)
    fi
  if test "$ff_arpack_ok" = yes
  then
      AC_FF_ADDWHERELIB(arpack,$ff_arpack_libs,)
      echo  arpack LD "'$ff_arpack_libs'"  >>$ff_where_lib_conf
  fi

	# If all else fails, download!
	if test "$ff_arpack_ok" = no -a "$enable_download" = yes \
	   -a "$enable_fortran" != no
	then
                ff_arpack_download=yes
		AC_MSG_NOTICE(using downloaded Arpack)

		# ALH - 6/11/13 - this install goal is the standard goal for all downloaded packages in
		# [[file:download/common.mak::install]]

		AC_SUBST(DOWNLOAD_ARPACK,install)

		AC_SUBST(FF_LAPACKdir,$ff_lapackdir)
		AC_SUBST(ARPACKLIB,${curdir}/download/lib/libarpack.a)
		AC_SUBST(LAPACK_arpack_LIB,${curdir}/download/lib/liblapack.a)

		# Do not update $LIBS, but create an extra LIB variable, because this lib does not exist yet, and this
		# could make the following tests fail.

		# ALH - 30/9/13 - do not use the "-L ${curdir}/download/lib" directive because it would allow other
		# following -l directives (eg -lumfpack) to pick an old locally compiled library instead of the system
		# ones.

                ff_arpack_libs="${curdir}/download/lib/libarpack.a $ff_lapack_lib"
		ff_arpack_ok=yes
	fi
fi
if test  "$ff_arpack_ok" != yes
 then
	    AC_MSG_NOTICE([-- NO ARPACK --  enable_download : $enable_download , wget: $ff_wget ])
fi

# Do not insert ARPACK libs in $LIBS yet, because they may not exist
# yet, and this could make the following tests fail.

LIBS="$ff_save_libs"

if test "$ff_arpack_ok" = yes;
then
        AC_SUBST(ARPACKLIBS,$ff_arpack_libs)
	EIGENOBJ='eigenvalue.$(OBJEXT)'
	AC_DEFINE(HAVE_LIBARPACK,1,Arpack is used for eigenvalue computation)

	# Determines whether to run the eigenvalue tests
else
# all eigen test fails
	AC_SUBST([SKIP_TESTS_EIGEN],[yes])
fi
AC_SUBST([EIGENOBJ])

# ALH - 25/9/13 - <<WHERE_lapack>> always run the WHERE LD statement for lapack because some libraries in
# examples++-load require it (eg [[file:examples++-load/Element_Mixte.cpp::lapack]]). Request from Fred.

AC_FF_ADDWHERELIB(lapack,$ff_lapack_lib,)

# Looking for UMFPACK
# -------------------
ff_umfpack_incs=""
ff_amd_ok=no
ff_umfpack_ok=no
# echo @@@@@@@@@ ff_where_lib_conf_suitesparse == $ff_where_lib_conf_suitesparse  @@@@
if test "$ff_where_lib_conf_suitesparse" = "1"  ; then
  echo "amd/umfpack/suitesparse  of petsc"
  echo "    lib: $ff_where_lib_suitesparse inc: $ff_where_inc_suitesparse"
  ff_amd_ok=yes
   ff_umfpack_ok=yes
   enable_system_umfpack=no
   ff_umfpack_libs="$ff_where_lib_suitesparse"
   ff_umfpack_incs="$ff_where_inc_suitesparse"
   AC_DEFINE(HAVE_LIBUMFPACK,1,Umfpack is used for sparse matrices computations)
   AC_DEFINE(HAVE_LIBCHOLMOD,1,Cholmod  is used for sparse matrices computations)
   AC_SUBST([UMFPACK_CPPFLAGS],[$ff_where_inc_suitesparse])
   AC_DEFINE(HAVE_UMFPACK_H,1,If umfpack.h is located in UMFPACK subdir)
fi

ff_save_libs="$LIBS"
AC_ARG_ENABLE(system_umfpack,AC_HELP_STRING([--disable-system-umfpack],[Disable the automatic detection of umfpack, colmod, amd, ....]))
if test "$ff_umfpack_ok"  = no -a "$enable_system_umfpack" != no -a  "$ff_blas_ok" = yes;
then
    # User-specified location

    AC_ARG_WITH(amd,
	AC_HELP_STRING([--with-amd=library],[Use a specific version of AMD]),
        ff_amd_ok=yes
	ff_umfpack_libs="${withval}")

    AC_ARG_WITH(umfpack,
        AC_HELP_STRING([--with-umfpack=library],[Use a specific version of Umfpack]),
        ff_umfpack_ok=yes
        ff_umfpack_libs="${withval} $ff_umfpack_libs")

    if test "${with_umfpack_include+set}" = set; then 
      	CPPFLAGS="$CPPFLAGS $with_umfpack_include"
    fi

    AC_CHECK_HEADERS(umfpack.h umfpack/umfpack.h ufsparse/umfpack.h suitesparse/umfpack.h,
	ff_umfpack_header=yes
	ff_umfpack_dir=`dirname $ac_header`)

    # Somes systems like FreeBSD hide umfpack.h in a directory called UMFPACK (all capitals). This breaks the
    # standard #define produced by autoconf in config.h.in.

    LIBS="$ff_blas_libs $LIBS"
    if test "$ff_umfpack_header" != yes;
    then
	AC_CHECK_HEADER(UMFPACK/umfpack.h,
	    ff_umfpack_header=yes
	    ff_umfpack_dir=UMFPACK
	    AC_DEFINE(HAVE_BIG_UMFPACK_UMFPACK_H,1,If umfpack.h is located in UMFPACK subdir))
    fi

    if test "$ff_amd_ok" = no;
    then
	AC_CHECK_LIB(amd,amd_info,
	    ff_umfpack_libs="$ff_umfpack_libs -lamd"
	    ff_amd_ok=yes)
    fi

    if test "$ff_umfpack_ok" = no -a "$ff_amd_ok" = yes;
    then

        # ALH - 30/9/13 - other libraries required by Umfpack

	AC_CHECK_LIB(cholmod,cholmod_add,ff_umfpack_libs="$ff_umfpack_libs -lcholmod")
	AC_CHECK_LIB(colamd,colamd_set_defaults,ff_umfpack_libs="$ff_umfpack_libs -lcolamd")

	AC_CHECK_LIB(umfpack,umf_i_malloc,
	    ff_umfpack_libs="-lumfpack $ff_umfpack_libs"
	    ff_umfpack_ok=yes,,$ff_umfpack_libs)
    fi

    if test "$ff_umfpack_header" != yes -o "$ff_umfpack_ok" != yes; then
        ff_umfpack_ok=no
	AC_MSG_WARN([Sorry, we could not find the UMFPACK lib or the UMFPACK headers])
    fi

    if test "$ff_umfpack_ok" = yes -a "$ff_amd_ok" = yes; then
	AC_DEFINE(HAVE_LIBUMFPACK,1,Umfpack is used for sparse matrices computations)
    fi
fi

LIBS="$ff_save_libs"

# If all else fails, download!
#  attention no /usr/include in WHERE 
if test "$ff_umfpack_ok" = yes -a -n "$ff_umfpack_dir" -a -z "$ff_umfpack_incs"
then
	ff_umfpack_incs="-I/usr/include/$ff_umfpack_dir"	
fi
if test "$ff_umfpack_ok" = no -a "$enable_download" = yes
then
    AC_MSG_NOTICE(using downloaded UMFPACK)
    AC_SUBST(DOWNLOAD_UMFPACK,"umfpack")
    ff_umfpack_download=yes

    # Do not update $LIBS, but create an extra LIB variable, because this lib does not exist yet, and this could make
    # the following tests fail.
    
    ff_umfpack_libs="-L${curdir}/download/lib -lumfpack -lcholmod -lcolamd -lamd -lsuitesparseconfig"
    ff_umfpack_incs="-I${curdir}/download/include"
    AC_DEFINE(HAVE_LIBUMFPACK,1,UMFPACK)
    if test "$ff_win32" = yes; then
  	AC_SUBST(FF_UMFPACK_CONFIG,-DCBLAS)
    fi
    ff_umfpack_ok=yes
fi

# ALH - 17/9/13 - moved UMFPACK configuration settings in wherelib to _after_ configuring the download version because
# [[file:download/umfpack/Makefile.am]] does not set the WHERE mechanism. Also removed -I/usr/include/$ff_umfpack_dir
# from include options for FFCS because it breaks the MingW64 compilation process.

if test "$ff_umfpack_ok" = yes
then
    if test $enable_ffcs = no
    then
	AC_FF_ADDWHERELIB(amd,$ff_umfpack_libs,$ff_umfpack_incs)
	AC_FF_ADDWHERELIB(umfpack,$ff_umfpack_libs,$ff_umfpack_incs)
    else
	AC_FF_ADDWHERELIB(amd,$ff_umfpack_libs,)
	AC_FF_ADDWHERELIB(umfpack,$ff_umfpack_libs,)
    fi
else
    AC_MSG_NOTICE([ -- NO UMFPACK (ff_wget = $ff_wget)])
fi

AC_SUBST(UMFPACKLIBS,$ff_umfpack_libs)

# If times() and sysconf() are not here, UMFPACK should know

if test "$ff_umfpack_ok" = yes
then
    AC_CHECK_FUNCS(times sysconf,
	ff_umfpack_posix_ok=yes,
	ff_umfpack_posix_ok=no)

    if test "$ff_umfpack_posix_ok" = no
    then
	AC_SUBST(FF_UMFPACK_CONFIG,"-DCBLAS -DNPOSIX")
    fi
fi

# Checking for some functions that may not appear everywhere
# ----------------------------------------------------------
AC_CHECK_HEADERS(cstddef)
AC_CHECK_HEADERS(stddef.h)

AC_CHECK_HEADERS(regex.h,ff_regex_h=1, ff_regex_h=0)
AC_SUBST(FF_HAVE_REGEX_H,$ff_regex_h)

AC_CHECK_HEADERS([unistd.h])
# asinh acosh atanh are not in Mingw yet gettimeofday
ff_malloc_h=""
AC_HEADER_TIME
AC_CHECK_HEADERS(malloc.h,ff_malloc_h=1)
AC_SUBST(FF_MALLOC_H,$ff_malloc_h)

AC_CHECK_FUNCS(asinh acosh atanh getenv jn erfc tgamma gettimeofday mallinfo mstats)
AC_CHECK_FUNCS(srandomdev)


AC_CHECK_FUNCS(second_,ff_second="",ff_second=second.o)
AC_SUBST(FF_SECOND,"$ff_second")

# Enable static linking (no shared libraries)
# -------------------------------------------
AC_CHECK_PROG(ff_libtool,libtool,yes,no)
if test  "$ff_mac" = "yes"  -a "$ff_libtool" = yes ; then
  ff_AR="libtool"
  ff_ARFLAGS="-static -o"
  ff_RANLIB="echo"
fi

AC_ARG_ENABLE(static,
	[  --enable-static	Build binaries with no shared library dependencies])
if test "$enable_static" = yes
then
	AC_CHECK_PROG(ff_libtool,libtool,yes,no)
	if test "$ff_libtool" = yes
	then
		LDFLAGS="$LDFLAGS -all-static"
		AC_SUBST(STATICTOOL,libtool)
	else
		AC_MSG_ERROR(libtool not found)
	fi
fi
#  for compiation of  arpack  use libtool to bluid universal library on MacOs.
AC_SUBST(AR,$ff_AR)
AC_SUBST(ARFLAGS,$ff_ARFLAGS)
AC_SUBST(RANLIN,$ff_RANLIB)


# Dynamic loading of compiled functions
# -------------------------------------

# Not if we don't want shared libraries (non FH  modif FH juin 2005)
ff_dynload=no
if test "$enable_static" != yes
then

	# Availability of dlopen(). Use AC_COMPILE rather than
	# AC_CHECK_HEADERS because the latter has problems seeing it (in
	# Cygwin) when it does not compile (in Mingw).

	AC_MSG_CHECKING(for dlfcn.h)
	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <dlfcn.h>]])],
		ff_dynload=yes,
		ff_dynload=no)
	AC_MSG_RESULT($ff_dynload)
fi

# FFCS - -lm missing for ffmedit link stage on Debian Testing
AC_CHECK_LIB(m,sin)

# Checks that we also have the corresponding library
if test "$ff_dynload" = yes
then
	AC_CHECK_LIB(dl,dlinfo)

	# Checks that everythings works ok
	AC_MSG_CHECKING(whether dlopen links ok)
	AC_LINK_IFELSE(
[AC_LANG_SOURCE([[#include <dlfcn.h>
int main(int argc,char **argv){
  dlopen("",RTLD_LAZY);
  return 0;
}]])],
	ff_dynload=yes,
	ff_dynload=no)
	AC_MSG_RESULT($ff_dynload)
fi

#  the -rdynamic don't exist on macos and sunOS
if test "$ff_dynload" = yes
then
	AC_DEFINE(HAVE_DLFCN_H,1,Dynamic loading - not mandatory)
	# Activate dynamic loading tests (see examples++-load/Makefile.am)
	AC_SUBST(LOAD_TESTS,../regtests.sh)
	AC_SUBST(LOAD_COMPILE,load_compile)

	# gcc on MacOS does not produce an error with "-rdynamic" but
	# still complains about it.
	if test "$ff_mac" = "no" -a "$ff_win32"  = "no" -a "$ff_sunos"  = "no" ;
	then
		CHECK_COMPILE_FLAG(C++,-rdynamic,LDFLAGS)
dnl		CHECK_COMPILE_FLAG(C,-rdynamic,CNOFLAGS)
dnl		CHECK_COMPILE_FLAG(C,-rdynamic,CFLAGS)
	fi
	if test "$ff_fpic" != "no" ; then
	CHECK_COMPILE_FLAG(C++,-fPIC,CXXFLAGS)
	CHECK_COMPILE_FLAG(C,-fPIC,CFLAGS)
	CHECK_COMPILE_FLAG(C,-fPIC,CNOFLAGS)
	fi 
	if test "$enable_fortran" != no ;  then
	if test "$ff_fpic" != "no" ; then
	 CHECK_COMPILE_FLAG(Fortran,-fPIC,FFLAGS)
	 CHECK_COMPILE_FLAG(Fortran,-fPIC,FNOFLAGS)
	 CHECK_COMPILE_FLAG(Fortran,-fPIC,FCFLAGS)
	 CHECK_COMPILE_FLAG(Fortran,-fPIC,FCNOFLAGS)
	 fi
dnl	 CHECK_COMPILE_FLAG(Fortran,-rdynamic,FNOFLAGS)
dnl	 CHECK_COMPILE_FLAG(Fortran,-rdynamic,FFLAGS)

	fi
fi
AC_SUBST(DYLIB_SUFFIX,$ff_suffix_dylib)

# Checking wether we can generate some documentation
# --------------------------------------------------

AC_CHECK_PROG(ff_latex,latex,yes,no)
AC_CHECK_PROG(ff_makeindex,makeindex,yes,no)
AC_CHECK_PROG(ff_dvips,dvips,yes,no)
# to translate the figure
AC_CHECK_PROG(ff_pdf2ps,pdf2ps,yes,no)
AC_CHECK_PROGS(EPSTOPDF,[epstopdf pstopdf],[false])
AC_CHECK_PROG(ff_convert,convert,yes,no)
if test "$ff_latex" = yes -a "$ff_makeindex" = yes -a "$ff_dvips" = yes -a $ff_pdf2ps = yes -a $ff_convert = yes;
then
	AC_SUBST(DOCPS,"freefem++doc.ps")

	AC_CHECK_PROG(ff_gzip,gzip,yes,no)
	if test "$ff_gzip" = yes;
	then
		AC_SUBST(DOCPSGZ,"freefem++doc.ps.gz")
	fi
fi

# PDF documentation building sometimes poses problems because of
# pdfsync.sty. So we need to be able to disable it.
enable_pdf=yes
AC_ARG_ENABLE(pdf,[  --disable-pdf	Disable PDF documentation building])
if test "$enable_pdf" != no
then
   AC_CHECK_PROG(ff_pdflatex,pdflatex,yes,no)
   if test "$ff_pdflatex" = yes -a $EPSTOPDF != false -a $ff_convert = yes;
   then
	AC_SUBST(DOCPDF,"freefem++doc.pdf")
   fi
fi

# HISTORY logging through CVS, but only if we are in a CVS working area
if test -d CVS
then
	AC_CHECK_PROG(ff_history,cvs2cl,yes,no)
	if test "$ff_history" = yes
	then
	   AC_SUBST(HISTORY,history)
	fi
fi

# Choosing compilation options for the standard version (in src/std)
# ------------------------------------------------------------------

# The "standard" configured version can use win32 (mingw)

if test "$ff_mingw" = yes
then

    # FFCS does not use FreeFem++-std, and Pcrgraph.cpp does not compile under mingwin64
    if test $enable_ffcs = no
    then
	ff_stdprog="FreeFem++-std${EXEEXT}"
	ff_std_graph_obj=Pcrgraph.$OBJEXT
    fi

    # ALH - FFCS - 30/11/8 - I need to get the output from FF for FFCS regression tests
    if test $enable_ffcs = yes
    then
	ff_std_ldflags="-mconsole -mwindows"
    else
	ff_std_ldflags=-mwindows
    fi

	ff_std_libs=
fi
AC_SUBST(STD_GRAPH_OBJ,$ff_std_graph_obj)
AC_SUBST(STD_LDFLAGS,$ff_std_ldflags)

AC_SUBST(STD_LIBS,$ff_std_libs)

# Allow some downloaded tools not to be compiled
# ----------------------------------------------


##  try to see pakage is hon computer  if the FH ZZZZ 
## FH to find gsl ... 
AX_PATH_GSL(1.15, ff_with_gsl=yes, ff_with_gsl=no)
if test "$ff_with_gsl" = "yes"; then  
  AC_FF_ADDWHERELIB(gsl,$GSL_LIBS,$GSL_CFLAGS)
fi

##


m4_map([AC_FF_WHERELIB],[
	[[mumps],[-ldmumps -lzmumps  -lmumps_common  -lpord],[dmumps_c.h],[]],	
	[[mumps_seq],[-ldmumps_seq -lzmumps_seq  -lmumps_common_seq  -lpord_seq -lmpiseq_seq],[dmumps_c.h],[]],
	[[libseq],[-lmpiseq_seq],[/usr/include/mumps_seq/mpi.h]],
	[[mumps_ptscotch],[-lpord_ptscotch -lmumps_common_ptscotch -ldmumps_ptscotch -lzmumps_ptscotch -lpord_ptscotch],[dmumps_c.h]],
	[[mumps_scotch],[-lpord_scotch -lmumps_common_scotch -ldmumps_scotch -lzmumps_scotch -lpord_scotch],[dmumps_c.h]],
	[[hypre],[-lHYPRE]],
	[[fftw3],[-lfftw3],[/usr/include/fftw3.h],[]],
	[[superlu_dist],[-lsuperlu-dist],[/usr/include/superlu-dist/superlu_defs.h],[]],
	[[superlu],[-lsuperlu],[/usr/include/superlu/superlu_enum_consts.h],[]],
	[[superlu4],[-lsuperlu4],[/usr/include/superlu4/superlu_enum_consts.h],[]],
        [[blacs],[ -lblacsCinit$ff_with_mpi	-lblacsF77init$ff_with_mpi	-lblacs$ff_with_mpi],[]],
        [[scalapack],[-lscalapack$ff_with_mpi],[]],
        [[scotch],[-lscotch -lscotcherr],[scotch.h]],
        [[ptscotch],[-lptscotch -lptscotcherr],[ptscotch.h]],
	[[metis],[-lmetis],[/usr/include/metis/metis.h],[]],
	[[metis],[-lmetis],[metis.h],[]],
	[[parmetis],[-lparmetis -lmetis],[],[]],
	[[freeyams],[-lfreeyams],[freeyamslib.h],[]],
	[[mmg3d],[-lmmg3d],[libmmg3d.h],[]],
	[[mshmet],[-lmshmet],[],[]],
dnl	[[gsl],[-lgsl -lgslcblas -lm],[gsl/gsl_sf.h],[]],
	[[parms],[-lparms -litsol -llapack -lblas -lm],[],[]],
	[[tetgen],[-ltet],[tetgen.h],[]],
	[[ipopt],[ -lipopt],[/usr/include/coin/IpTNLP.hpp],[]],
	[[nlopt],[ -lnlopt],[nlopt.hpp],[]]
    ]
    )
## before try 

TOOL_DISABLE(tetgen,tetgen.$DYLIB_SUFFIX)
TOOL_DISABLE(hips,hips_FreeFem.$DYLIB_SUFFIX)
TOOL_DISABLE(ipopt,ff-Ipopt.$DYLIB_SUFFIX)
TOOL_DISABLE(lapack,"lapack.$DYLIB_SUFFIX fflapack.$DYLIB_SUFFIX")
TOOL_DISABLE(parmetis,metis.$DYLIB_SUFFIX)
TOOL_DISABLE(mmg3d,mmg3d-v4.0.$DYLIB_SUFFIX)
TOOL_DISABLE(mshmet,"mshmet.$DYLIB_SUFFIX aniso.$DYLIB_SUFFIX")
TOOL_DISABLE(gmm,ilut.$DYLIB_SUFFIX)
TOOL_DISABLE(mumps,"MUMPS_FreeFem.$DYLIB_SUFFIX MUMPS.$DYLIB_SUFFIX")
TOOL_DISABLE(mumps_seq,"MUMPS_seq.$DYLIB_SUFFIX MUMPS.$DYLIB_SUFFIX",mumps-seq)
TOOL_DISABLE(nlopt,ff-NLopt.$DYLIB_SUFFIX)
dnl TOOL_DISABLE(parmetis)
TOOL_DISABLE(parms,parms_FreeFem.$DYLIB_SUFFIX)
TOOL_DISABLE(pastix,"interfacepastix.$DYLIB_SUFFIX complex_pastix_FreeFem.$DYLIB_SUFFIX real_pastix_FreeFem.$DYLIB_SUFFIX")
TOOL_DISABLE(pipe,pipe.$DYLIB_SUFFIX)
TOOL_DISABLE(scotch,scotch.$DYLIB_SUFFIX)
TOOL_DISABLE(superlu4,SuperLu.$DYLIB_SUFFIX,superlu)
TOOL_DISABLE(superludist,"complex_SuperLU_DIST_FreeFem.$DYLIB_SUFFIX real_SuperLU_DIST_FreeFem.$DYLIB_SUFFIX dSuperLU_DIST.$DYLIB_SUFFIX")
TOOL_DISABLE(umfpack,UMFPACK64.$DYLIB_SUFFIX)
TOOL_DISABLE(yams,freeyams.$DYLIB_SUFFIX)
TOOL_DISABLE(pipe,pipe.$DYLIB_SUFFIX)

# FFCS - MUMPS_seq has a different Win32 compiler setup from FFCS, so we need to add some extra parameters

if test "$OS" = Windows_NT
then
    CFLAGS="$CFLAGS -DWITHOUT_PTHREAD -DAdd_"

    # we also need to satisfy ff-c++ that the pthread are not a blocking point
    if test -n "$ff_pthread"  ; then
       AC_FF_ADDWHERELIB(pthread,"",)
    fi
fi

# ALH - pARMS needs "-fno-range-check" on Windows, but this options fails on MacOS 10.8.  Add no-range-check for Windows
# for hexadecimal parameter constants like:
#
# [[file:c:/cygwin/home/alh/ffcs/rel/mingw/mpif.h::PARAMETER MPI_SHORT_INT z 8c000003]]
#
# Such constants are rejected without [[file:download/parms/makefile-parms.in::NO_RANGE_CHECK]]

if test "$OS" = Windows_NT
then
    AC_SUBST(NO_RANGE_CHECK,-fno-range-check)
fi

# ALH - 4/9/13 - request from Helmut Jarausch - allow to change Scotch include path
if test "$with_scotch_include" = "" 
then
    with_scotch_include=$ac_pwd/download/include/scotch
fi
AC_SUBST(SCOTCH_INCLUDE,$with_scotch_include)

# Find out kernel and libc versions
# ---------------------------------

if test "$ff_win32" != yes -a "$ff_mac" != yes
then
	AC_MSG_CHECKING(kernel version)
	ff_kernel_version=`cat /proc/version|perl -e '<STDIN>=~/(\d+\.\d+\.\d+)/;print $1;'`
	AC_MSG_RESULT($ff_kernel_version)
	AC_SUBST(KERNEL_VERSION,$ff_kernel_version)

	AC_MSG_CHECKING(libc version)
	ff_libc_version=`ldd /bin/sh | awk '/libc/{print $3}' | xargs readlink | sed -e 's/\.so$//'`
	AC_MSG_RESULT($ff_libc_version)
	AC_SUBST(LIBC_VERSION,$ff_libc_version)
fi
#  def variable pour les makefiles

# creating all makefiles
# ----------------------

ff_bamgprog="bamg${EXEEXT} cvmsh2${EXEEXT}"

AC_SUBST(CNOFLAGS,$CNOFLAGS) dnl for superludist CFLAGS without optim  ...
AC_SUBST(FNOFLAGS,$FNOFLAGS) dnl for blacs CFLAGS without optim  ...

# The final list of executable programs

AC_SUBST(MEDITPROG,$ff_meditprog)
AC_SUBST(FFGLUTPROG,$ff_ffglutprog)
AC_SUBST(BAMGPROG,$ff_bamgprog)
AC_SUBST(STDPROG,$ff_stdprog)
ff_progs="FreeFem++-nw $ff_bamgprog  $ff_mpiprog $ff_meditprog $ff_ffglutprog"

AC_SUBST(TEST_FFPP,$ff_TEST_FFPP)
AC_SUBST(TEST_FFPP_MPI,$ff_TEST_FFPP_MPI)
AC_SUBST(TEST_FFPPMPI,"../src/mpi/ff-mpirun")

ff_with_mpi=-openmpi;

ff_blacs="-lblacsCinit$ff_with_mpi     -lblacsF77init$ff_with_mpi      -lblacs$ff_with_mpi"
ff_scalapack=-lscalapack

# change MKL interface ...
test -n "$ff_mkl_blacs" && ff_blacs="$ff_mkl_blacs"
test -n "$ff_mkl_scalapack" && ff_scalapack="$ff_mkl_scalapack"
test -n "$ff_mkl_root" && ff_winc="$ff_mkl_root/include/mkl_blas.h"

# FFCS - 27/10/11 - Some extra conditionals for things that do not work on certain systems (eg MPI libraries under
# Windows)

##  search of HDF5 ....
AX_LIB_HDF5()
if test "$with_hdf5" = "yes"; then  
  AC_FF_ADDWHERELIB(hdf5,$HDF5_LDFLAGS  $HDF5_LIBS,$HDF5_CPPFLAGS)
  LIBS="$LIBS $HDF5_LDFLAGS  $HDF5_LIBS"
else
  enable_iohdf5=no  
fi
TOOL_DISABLE(iohdf5,iohdf5.$DYLIB_SUFFIX)


AM_CONDITIONAL([FFCS_WINDOWS],[test "$OS" = Windows_NT])

#  remove gsl if not find ... FH
# correction FH .. 18/12/2013. 
# ALH - 7/1/14 - not able to compile gsl or pardiso with FFCS on Windows
if test "$enable_ffcs" != yes
then
    if test  "$ff_where_lib_conf_gsl" = 1  -a  "$enable_gsl" != "no" ; then enable_gsl=yes; fi;
    if test  "$ff_where_lib_conf_mkl" = 1  -a  "$enable_mkl" != "no" ; then enable_pardiso=yes; fi;
fi
TOOL_DISABLE(gsl,"gsl.$DYLIB_SUFFIX")
TOOL_DISABLE(NewSolver,"NewSolver.$DYLIB_SUFFIX")
TOOL_DISABLE(pardiso,"PARDISO.$DYLIB_SUFFIX")

 echo "debug cxxx11: $ff_cxx11 mpi: $ff_mpi petsc: $ff_petsc_ok "
test "$enable_hpddm" != no && enable_hpddm=yes  
test "$ff_cxx11" != yes -o  "$ff_mpi" != yes  -o "$ff_umfpack_ok" != "yes"  &&  enable_hpddm=no
FF_PETCS_DYLIB=""
if test "$ff_petsc_ok" != no ;   then
FF_PETCS_DYLIB="PETSc.$DYLIB_SUFFIX"
fi
##echo @@@@@@@@@@@@ $ff_petsc_ok @@ "hpddm.$DYLIB_SUFFIX $FF_PETCS_DYLIB" 
TOOL_DISABLE(hpddm,["hpddm.$DYLIB_SUFFIX hpddm_substructuring.$DYLIB_SUFFIX $FF_PETCS_DYLIB"])


# All makefiles
AC_OUTPUT(Makefile
    download/Makefile
    download/blas/Makefile
    download/arpack/Makefile
    download/umfpack/Makefile
    download/fftw/Makefile
    src/Makefile
    src/bamglib/Makefile
    src/Graphics/Makefile
    src/femlib/Makefile
    src/Algo/Makefile
    src/lglib/Makefile
    src/fflib/Makefile
    src/nw/Makefile
    src/mpi/Makefile
    src/bamg/Makefile
    src/libMesh/Makefile
    src/medit/Makefile
    src/bin-win32/Makefile
    examples++-load/Makefile
    examples++-tutorial/Makefile
    examples++/Makefile
    examples++-mpi/Makefile
    examples++-hpddm/Makefile
    examples++-eigen/Makefile
    examples++-chapt3/Makefile
    examples++-bug/Makefile
    examples++-other/Makefile
    examples++-3d/Makefile
    DOC/Makefile)

AC_MSG_NOTICE([  freefem++ used  download : $enable_download ])
AC_MSG_NOTICE([	 	 --  Dynamic load facility: $ff_dynload ])
AC_MSG_NOTICE([		 --  ARPACK (eigen value): $ff_arpack_ok ])
AC_MSG_NOTICE([		 --  UMFPACK (sparse solver) $ff_umfpack_ok ])
AC_MSG_NOTICE([		 --  BLAS $ff_blas_ok ])
AC_MSG_NOTICE([		 --  with MPI             $ff_mpi])
AC_MSG_NOTICE([          --  with PETSC $ff_petsc_ok ]);
AC_MSG_NOTICE([          --  with hpddm  $enable_hpddm (need MPI & c++11 :  $ff_cxx11 ) ]);


AC_MSG_NOTICE([    progs: $ff_progs ])
if test  "$ff_umfpack_download" = yes -a  -n "$TOOL_COMPILE_umfpack" ;then
    AC_MSG_NOTICE([      use of download UMFPACK see  download/umfpack/SuiteSparse/UMFPACK/README.txt for the License])
fi
if test "$ff_arpack_download" = yes -a  -n "$TOOL_COMPILE_arpack"  ; then
    AC_MSG_NOTICE([      use of download ARPACK see  download/arpack/ARPACK/README  no License ])
fi

if test "$enable_download" = yes  ;then
    if test  -n "$TOOL_COMPILE_fftw3"   ; then 
    AC_MSG_NOTICE([      use of download fftw   see  download/fftw/fftw-3.2/COPYRIGHT ])
    fi 
    if test  -n "$TOOL_COMPILE_tetgen"   ; then 
    AC_MSG_NOTICE([      use of download tetgen  see download/tetgen/tetgen1.5.1-beta/LICENSE ])
    fi
    if test  -n "$TOOL_COMPILE_yams"   ; then 
    AC_MSG_NOTICE([      use of download freeyams  see download/yams/freeyams.2011.02.22 (suface mesh adaptation)  ])
    fi
    if test  -n "$TOOL_COMPILE_mmg3d"   ; then     
    AC_MSG_NOTICE([      use of download mmg3d (v4)   see download/mmg3d/mmg3d4/LICENCE.txt  ])
    fi
    if test  -n "$TOOL_COMPILE_parmets"   ; then     
    AC_MSG_NOTICE([      use of download parmetis])
     fi
    # ALH - some tools may be activated but not downloaded if a local version is specified (see
    # [[TOOL_PARAMETERS]])

    if test "$enable_superlu_download" = yes
    then
	AC_MSG_NOTICE([      use of download superlu])
    fi

    if test -n "$MPICC" ; then
   	AC_MSG_NOTICE([      try to download: blacs parmetis  scalapack scotch superludist pastix hypre hips library])
    fi

    if test "$ff_download_blas" = "generic"  ; then
        AC_MSG_NOTICE([      use of download generic blas and cblas freefem may be slow  ])
        AC_MSG_NOTICE([      you can try to use the  Kazushige Goto s BLAS at http://www.cs.utexas.edu/users/flame/goto/  ])
        AC_MSG_NOTICE([          or at  http://www.tacc.utexas.edu/~kgoto/ for the best BLAS .])
        AC_MSG_NOTICE([      or try to download/compile the altas blas .])
    fi

    # ALH - 30/10/13 - (request from FH) all downloads are now part of a separate script ([[file:download/getall]])
    # which needs to be run before make for the user to specify whether he is ok with each of the package licences.

    AC_MSG_NOTICE([      Please run "download/getall" to download all necessary packages before running make])
fi

# FFCS does not use glut, so remove this message because it could make the user think that something is broken

if test $enable_ffcs = no
then
    if test "$ff_glut_ok" != yes  ; then
	AC_MSG_NOTICE([     *********************************************** ])
	AC_MSG_NOTICE([     WARNING: you do not have the new grachics tools ])
	AC_MSG_NOTICE([         because the configure do not find OpenGL, GLUT or pthread  developer stuff ])
	AC_MSG_NOTICE([         read the README to find missing package  ])
	AC_MSG_NOTICE([         F. Hecht  ])
	AC_MSG_NOTICE([ to install missing package  under debian or ubuntu, try: sudo apt-get install freeglut3-dev ])
	AC_MSG_NOTICE([     *********************************************** ])
    fi
fi

# Local Variables:
# mode:shell-script
# ispell-local-dictionary:"british"
# coding:utf-8
# End: