summaryrefslogtreecommitdiffstats
path: root/configure.ac
blob: c341df5dfb3820298e1314cc16ae334d131ce78e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
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
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
## Process this file with autoconf to produce configure.
##
## Copyright by The HDF Group.
## Copyright by the Board of Trustees of the University of Illinois.
## All rights reserved.
##
## This file is part of HDF5.  The full HDF5 copyright notice, including
## terms governing use, modification, and redistribution, is contained in
## the files COPYING and Copyright.html.  COPYING can be found at the root
## of the source code distribution tree; Copyright.html can be found at the
## root level of an installed copy of the electronic HDF5 document set and
## is linked from the top-level documents page.  It can also be found at
## http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have
## access to either file, you may request a copy from help@hdfgroup.org.

## ----------------------------------------------------------------------
## Initialize configure.
##
AC_REVISION($Id: configure.ac 22697 2012-08-19 14:35:47Z hdftest $)
AC_PREREQ([2.69])

## AC_INIT takes the name of the package, the version number, and an
## email address to report bugs. AC_CONFIG_SRCDIR takes a unique file
## as its argument.
##
## NOTE: Do not forget to change the version number here when we do a
## release!!!
##
AC_INIT([HDF5], [1.9.231], [help@hdfgroup.org])

AC_CONFIG_SRCDIR([src/H5.c])
AC_CONFIG_HEADERS([src/H5config.h])

AC_CONFIG_AUX_DIR([bin])
AC_CONFIG_MACRO_DIR([m4])

## AM_INIT_AUTOMAKE takes a list of options that should be applied to
## every Makefile.am when automake is run.
AM_INIT_AUTOMAKE([foreign])
AM_SILENT_RULES([yes])

## AM_MAINTAINER_MODE turns off "rebuild rules" that contain dependencies
## for Makefiles, configure, src/H5config.h, etc.  If AM_MAINTAINER_MODE
## is *not* included here, these files will be rebuilt if out of date.
## This is a problem because if users try to build on a machine with
## the wrong versions of autoconf and automake, these files will be
## rebuilt with the wrong versions and bad things can happen.
## Also, CVS doesn't preserve dependencies between timestamps, so
## Makefiles will often think rebuilding needs to occur when it doesn't.
## Developers should './configure --enable-maintainer-mode' to turn on
## rebuild rules.
AM_MAINTAINER_MODE

## ----------------------------------------------------------------------
## Set prefix default (install directory) to a directory in the build area.
## This allows multiple src-dir builds within one host.
AC_PREFIX_DEFAULT([`pwd`/hdf5])

## Run post processing on files created by configure.
## src/H5pubconf.h:
## Generate src/H5pubconf.h from src/H5config.h by prepending H5_ to all
## macro names. This avoid name conflict between HDF5 macro names and those
## generated by another software package that uses the HDF5 library.
## src/libhdf5.settings:
## Remove all lines begun with "#" which are generated by CONDITIONAL's of
## configure.
AC_CONFIG_COMMANDS([pubconf], [
  echo "creating src/H5pubconf.h"
  sed 's/#define /#define H5_/' <src/H5config.h |\
    sed 's/#undef /#undef H5_/' >pubconf
  if test ! -f src/H5pubconf.h; then
    /bin/mv -f pubconf src/H5pubconf.h
  elif (diff pubconf src/H5pubconf.h >/dev/null); then
    rm -f pubconf
    echo "src/H5pubconf.h is unchanged"
  else
    /bin/mv -f pubconf src/H5pubconf.h
  fi
  echo "Post process src/libhdf5.settings"
  sed '/^#/d' < src/libhdf5.settings > libhdf5.settings.TMP
  cp libhdf5.settings.TMP src/libhdf5.settings
  rm -f libhdf5.settings.TMP
])

## It's possible to configure for a host other than the one on which
## configure is currently running by using the --host=foo flag.
## For machines on which HDF5 is often configured, it can be convenient
## to specify the name of the machine rather than its canonical type.
##
## There are currently no hosts, but if there were they would be
## listed by hostname and the alias would point to a file in
## the config directory:
##
##case $host_alias in
##  <some host>)
##    host_alias=<config file in config directory>
##    ;;
##esac

AC_CANONICAL_HOST
AC_SUBST([CPPFLAGS])

## H5_CFLAGS (and company) are for CFLAGS that should be used on HDF5, but
## not exported to h5cc (or h5fc, etc.)
AC_SUBST([H5_CFLAGS])
AC_SUBST([H5_CPPFLAGS])
AC_SUBST([H5_FCFLAGS])
AC_SUBST([H5_CXXFLAGS])
AC_SUBST([H5_LDFLAGS])

## AM_CFLAGS (and company) are for CFLAGS that should be used on HDF5,
## and WILL be exported to h5cc (or h5fc, etc) if set by configure.
AC_SUBST([AM_CFLAGS])
AC_SUBST([AM_FCFLAGS])
AC_SUBST([AM_CXXFLAGS])
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_LDFLAGS])

## Make sure flags are initialized.
AM_CFLAGS="${AM_CFLAGS}"
AM_CXXFLAGS="${AM_CXXFLAGS}"
AM_FCFLAGS="${AM_FCFLAGS}"
AM_CPPFLAGS="${AM_CPPFLAGS}"
AM_LDFLAGS="${AM_LDFLAGS}"
CFLAGS="${CFLAGS}"
CXXFLAGS="${CXXFLAGS}"
FCFLAGS="${FCFLAGS}"
CPPFLAGS="${CPPFLAGS}"
LDFLAGS="${LDFLAGS}"

## Configure may need to alter any of the *FLAGS variables in order for
## various checks to work correctly. Save the user's value here so it
## can be restored once all configure checks are complete.
saved_user_CFLAGS="$CFLAGS"
saved_user_CXXFLAGS="$CXXFLAGS"
saved_user_FCFLAGS="$FCFLAGS"
saved_user_LDFLAGS="$LDFLAGS"
saved_user_CPPFLAGS="$CPPFLAGS"

## Support F9X variable to define Fortran compiler if FC variable is
## not used.  This should be deprecated in the future.
if test "x" = "x$FC"; then
  FC=${F9X}
fi

## ----------------------------------------------------------------------
## Dump all shell variables values.
##
AC_MSG_CHECKING([shell variables initial values])
set >&AS_MESSAGE_LOG_FD
AC_MSG_RESULT([done])

## Define all symbol variables used for configure summary.
## EXTERNAL_FILTERS equals all external filters. Default none.
## MPE: whether MPE option is enabled. Default no.
## STATIC_EXEC: whether static-exec is enabled. Default no.
## HDF_FORTRAN: whether Fortran is enabled. Default no.
## FC: Fortran compiler.
## HDF_CXX: whether C++ is enabled. Default no.
## CXX: C++ compiler.
## HDF5_HL: whether high-level library is enabled. Default is yes.
## INSTRUMENT: whether INSTRUMENT is enabled. No default set here.
## CODESTACK: whether CODESTACK is enabled. Default no.
## HAVE_DMALLOC: whether system has dmalloc support. Default no.
## HAVE_FLOAT128: whether system has Quad-Precision Math Library. Default no.
## DIRECT_VFD: whether DIRECT_VFD is enabled. Default no.
## THREADSAFE: whether THREADSAFE is enabled. Default no.
## STATIC_SHARED: whether static and/or shared libraries are requested.
## enable_shared: whether shared lib is enabled.
## enable_static: whether static lib is enabled.
## UNAME_INFO: System information.

AC_SUBST([EXTERNAL_FILTERS])
AC_SUBST([MPE]) MPE=no
AC_SUBST([STATIC_EXEC]) STATIC_EXEC=no
AC_SUBST([HDF_FORTRAN]) HDF_FORTRAN=no
AC_SUBST([FC]) HDF_FORTRAN=no
AC_SUBST([HDF_CXX]) HDF_CXX=no
AC_SUBST([CXX]) HDF_CXX=no
AC_SUBST([HDF5_HL]) HDF5_HL=yes
AC_SUBST([INSTRUMENT])
AC_SUBST([CODESTACK]) CODESTACK=no
AC_SUBST([HAVE_DMALLOC]) HAVE_DMALLOC=no
AC_SUBST([DIRECT_VFD]) DIRECT_VFD=no
AC_SUBST([THREADSAFE]) THREADSAFE=no
AC_SUBST([STATIC_SHARED])
AC_SUBST([enable_shared])
AC_SUBST([enable_static])
AC_SUBST([UNAME_INFO]) UNAME_INFO=`uname -a`
AC_SUBST([PAC_C_MAX_REAL_PRECISION])
AC_SUBST([Fortran_COMPILER_ID])
Fortran_COMPILER_ID=none

## ----------------------------------------------------------------------
## Some platforms have broken basename, and/or xargs programs. Check
## that it actually does what it's supposed to do. Catch this early
## since configure and scripts relies upon them heavily and there's
## no use continuing if it's broken.
##
AC_MSG_CHECKING([if basename works])
BASENAME_TEST="`basename /foo/bar/baz/qux/basename_works`"
if test $BASENAME_TEST != "basename_works"; then
  AC_MSG_ERROR([basename program doesn't work])
else
  AC_MSG_RESULT([yes])
fi

## xargs basename used in configure to get the CC_BASENAME value
AC_MSG_CHECKING([if xargs works])
XARGS_TEST="`echo /foo/bar/baz/qux/xargs_works | xargs basename`"
if test $XARGS_TEST != "xargs_works"; then
  AC_MSG_ERROR([xargs program doesn't work])
else
  AC_MSG_RESULT([yes])
fi

## ----------------------------------------------------------------------
## Check that the cache file was build on the same host as what we're
## running on now.
##
AC_CACHE_CHECK([for cached host], [hdf5_cv_host], [hdf5_cv_host="none"]);
if test $hdf5_cv_host = "none"; then
  hdf5_cv_host=$host
elif test $hdf5_cv_host != $host; then
  echo "The config.cache file was generated on $hdf5_cv_host but"
  echo "this is $host.  Please remove that file and try again."
  AC_MSG_ERROR([config.cache file is invalid])
fi

## ----------------------------------------------------------------------
## Source any special files that we need.  These files normally aren't
## present but can be used by the maintainers to fine tune things like
## turning on debug or profiling flags for the compiler.  The search order
## is:
##
##	CPU-VENDOR-OS
##	VENDOR-OS
##	CPU-OS
##	CPU-VENDOR
##	OS
##	VENDOR
##	CPU
##
## If the `OS' ends with a version number then remove it. For instance,
## `freebsd3.1' would become `freebsd'

case $host_os in
  aix*)
    host_os_novers=aix
    ;;
  freebsd*)
    host_os_novers=freebsd
    ;;
  solaris*)
    host_os_novers=solaris
    ;;
  *)
    host_os_novers=$host_os
    ;;
esac

host_config="none"
for f in $host_cpu-$host_vendor-$host_os \
         $host_cpu-$host_vendor-$host_os_novers \
         $host_vendor-$host_os \
         $host_vendor-$host_os_novers \
         $host_cpu-$host_os \
         $host_cpu-$host_os_novers \
         $host_cpu-$host_vendor \
         $host_os \
         $host_os_novers \
         $host_vendor \
         $host_cpu ; do
  AC_MSG_CHECKING([for config $f])
  if test -f "$srcdir/config/$f"; then
    host_config=$srcdir/config/$f
    AC_MSG_RESULT([found])
    break
  fi
  AC_MSG_RESULT([no])
done
if test "X$host_config" != "Xnone"; then
  CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`"
  . $host_config
fi

## Source any special site-specific file
hname="`hostname`"
while test -n "$hname"; do
  file=$srcdir/config/site-specific/host-$hname
  AC_MSG_CHECKING([for config $file])
  if test -f "$file"; then
    . $file
    AC_MSG_RESULT([found])
    break
  fi
  AC_MSG_RESULT([no])
  hname_tmp=$hname
  hname="`echo $hname | cut -d. -f2-99`"
  test "$hname_tmp" = "$hname" && break
done

## ----------------------------------------------------------------------
## Some built-in configure checks can only see CFLAGS (not AM_CFLAGS), so
## we need to add this in so configure works as intended. We will need to
## reset this value at the end of configure, to preserve the user's settings.
CFLAGS="${AM_CFLAGS} ${CFLAGS}"
FCFLAGS="${AM_FCFLAGS} ${FCFLAGS}"
CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAGS}"
CPPFLAGS="${AM_CPPFLAGS} ${CPPFLAGS}"
LDFLAGS="${AM_LDFLAGS} ${LDFLAGS}"

## ----------------------------------------------------------------------
## Enable dependency tracking unless the configure options or a
## site-specific file told us not to.  This prevents configure from
## silently disabling dependencies for some compilers.
##
if test -z "${enable_dependency_tracking}"; then
  enable_dependency_tracking="yes"
fi

## ----------------------------------------------------------------------
## Check for programs.
##
AC_PROG_CC
CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`"

## ----------------------------------------------------------------------------
## Configure disallows unsupported combinations of options. However, users
## may want to override and build with unsupported combinations for their
## own use. They can use the --enable-unsupported configure flag, which
## ignores any errors from configure due to incompatible flags.
AC_MSG_CHECKING([if unsupported combinations of configure options are allowed])
AC_ARG_ENABLE([unsupported],
              [AS_HELP_STRING([--enable-unsupported],
                              [Allow unsupported combinations of configure options])],
              [ALLOW_UNSUPPORTED=$enableval])

case "X-$ALLOW_UNSUPPORTED" in
  X-|X-no)
    AC_MSG_RESULT([no])
    ;;
  X-yes)
    AC_MSG_RESULT([yes])
    ;;
  *)
    ;;
esac

## ----------------------------------------------------------------------
## Data types and their sizes.
##
AC_TYPE_OFF_T
AC_CHECK_TYPE([size_t], [],
        [AC_DEFINE_UNQUOTED([size_t], [unsigned long],
                [Define to `unsigned long' if <sys/types.h> does not define.])])
AC_CHECK_TYPE([ssize_t], [],
        [AC_DEFINE_UNQUOTED([ssize_t], [long],
                [Define to `long' if <sys/types.h> does not define.])])
AC_CHECK_TYPE([ptrdiff_t], [],
        [AC_DEFINE_UNQUOTED([ptrdiff_t], [long],
                [Define to `long' if <sys/types.h> does not define.])])
AC_C_BIGENDIAN
AC_CHECK_SIZEOF([char], [1])
AC_CHECK_SIZEOF([short], [2])
AC_CHECK_SIZEOF([int], [4])
AC_CHECK_SIZEOF([unsigned], [4])
AC_CHECK_SIZEOF([long], [4])
AC_CHECK_SIZEOF([long long], [8])
AC_CHECK_SIZEOF([__int64], [8])
AC_CHECK_SIZEOF([float], [4])
AC_CHECK_SIZEOF([double], [8])
AC_CHECK_SIZEOF([long double], [8])

## Check for non-standard extenstion __FLOAT128
HAVE_FLOAT128=0
HAVE_QUADMATH=0
FLT128_DIG=0
LDBL_DIG=0

AC_CHECK_SIZEOF([__float128])
AC_CHECK_SIZEOF([_Quad])
AC_CHECK_HEADERS([quadmath.h], [HAVE_QUADMATH=1], [])
PAC_FC_LDBL_DIG

if test "$ac_cv_sizeof___float128" != 0 && test "$FLT128_DIG" != 0 ; then
  AC_DEFINE([HAVE_FLOAT128], [1], [Determine if __float128 is available])
  PAC_C_MAX_REAL_PRECISION=$FLT128_DIG
else
  PAC_C_MAX_REAL_PRECISION=$LDBL_DIG
fi
AC_DEFINE_UNQUOTED([PAC_C_MAX_REAL_PRECISION], $PAC_C_MAX_REAL_PRECISION, [Determine the maximum decimal precision in C])
AC_MSG_RESULT([$PAC_C_MAX_REAL_PRECISION])
## ----------------------------------------------------------------------
## Check if they would like the Fortran interface compiled
##
AC_SUBST([HDF5_INTERFACES]) HDF5_INTERFACES=""
AC_MSG_CHECKING([if Fortran interface enabled])
AC_ARG_ENABLE([fortran],
              [AS_HELP_STRING([--enable-fortran],
                              [Compile the Fortran interface [default=no]])],
              [HDF_FORTRAN=$enableval])

if test "X$HDF_FORTRAN" = "Xyes"; then
  echo "yes"
else
  echo "no"
fi

if test "X$HDF_FORTRAN" = "Xyes"; then

## We will output an include file for Fortran, H5config_f.inc which 
## contains various configure definitions used by the Fortran Library. 
## Prepend H5_ to all macro names. This avoids name conflict between HDF5 macro 
## names and those generated by another software package that uses the HDF5 library.
  AC_CONFIG_HEADERS([fortran/src/H5config_f.inc], 
    [cat fortran/src/H5config_f.inc | sed '1d;s%^/\* \(.*\) \*/%\1%;s/#define /#define H5_/;s/#undef /#undef H5_/' >fortran/src/H5config_f.inc.tmp; mv -f fortran/src/H5config_f.inc.tmp fortran/src/H5config_f.inc])

  AC_SUBST([FC]) HDF_FORTRAN=yes

  HDF5_INTERFACES="$HDF5_INTERFACES fortran"

  ## --------------------------------------------------------------------
  ## HDF5 integer variables for the H5fortran_types.f90 file.
  ##
  AC_SUBST([R_LARGE])
  AC_SUBST([R_INTEGER])
  AC_SUBST([HADDR_T])
  AC_SUBST([HSIZE_T])
  AC_SUBST([HSSIZE_T])
  AC_SUBST([HID_T])
  AC_SUBST([SIZE_T])
  AC_SUBST([OBJECT_NAMELEN_DEFAULT_F])

  ## --------------------------------------------------------------------
  ## Fortran source extention
  ##
  AC_FC_SRCEXT([f90])

  AC_SUBST([F9XSUFFIXFLAG])
  AC_SUBST([FSEARCH_DIRS])

  ## --------------------------------------------------------------------
  ## Check for a Fortran compiler and how to include modules.
  ##
  AC_PROG_FC([PAC_FC_SEARCH_LIST],)
  AC_F9X_MODS

  ## Change to the Fortran 90 language
  AC_LANG_PUSH(Fortran)

  ## Checking if the compiler supports the required Fortran 2003 features and
  ## stopping if it does not.
  PAC_PROG_FC_HAVE_F2003_REQUIREMENTS
 
  if test "X$HAVE_F2003_REQUIREMENTS" = "Xno"; then
    AC_MSG_ERROR([Fortran compiler lacks required Fortran 2003 features; unsupported Fortran 2003 compiler, remove --enable-fortran])
  fi

  ## --------------------------------------------------------------------
  ## Define wrappers for the C compiler to use Fortran function names
  ##
  AC_FC_WRAPPERS

  ## --------------------------------------------------------------------
  ## See if the fortran compiler supports the intrinsic function "SIZEOF"
  PAC_PROG_FC_SIZEOF

  ## See if the fortran compiler supports the intrinsic function "C_SIZEOF"
  PAC_PROG_FC_C_SIZEOF
	
  ## See if the fortran compiler supports the intrinsic function "STORAGE_SIZE"
  PAC_PROG_FC_STORAGE_SIZE

  ## Set the sizeof function for use later in the fortran tests
  if test "X$HAVE_STORAGE_SIZE_FORTRAN" = "Xyes";then
    FC_SIZEOF_A="STORAGE_SIZE(a, c_size_t)/STORAGE_SIZE(c_char_'a',c_size_t)"
    FC_SIZEOF_B="STORAGE_SIZE(b, c_size_t)/STORAGE_SIZE(c_char_'a',c_size_t)"
    FC_SIZEOF_C="STORAGE_SIZE(c, c_size_t)/STORAGE_SIZE(c_char_'a',c_size_t)"
  else 
    if test "X$HAVE_SIZEOF_FORTRAN" = "Xyes";then
      FC_SIZEOF_A="SIZEOF(a)"
      FC_SIZEOF_B="SIZEOF(b)"
      FC_SIZEOF_C="SIZEOF(c)"
    else	
      ## If neither intrinsic functions SIZEOF or STORAGE_SIZE is available then stop configure with an error
      AC_MSG_ERROR([Fortran compiler requires either intrinsic functions SIZEOF or STORAGE_SIZE])
    fi
  fi

  ## See if the fortran compiler supports the intrinsic module "ISO_FORTRAN_ENV"
  PAC_PROG_FC_ISO_FORTRAN_ENV
  ## Check KIND and size of native integer
  PAC_FC_NATIVE_INTEGER
 
  ## Find all available KINDs
  PAC_FC_AVAIL_KINDS
  ## Find all sizeofs for available KINDs
  PAC_FC_SIZEOF_INT_KINDS
  PAC_FC_SIZEOF_REAL_KINDS

  AC_SUBST([PAC_FC_ALL_REAL_KINDS])
  AC_SUBST([PAC_FC_MAX_REAL_PRECISION])
  AC_SUBST([PAC_FC_ALL_INTEGER_KINDS])
  AC_SUBST([PAC_FC_ALL_REAL_KINDS_SIZEOF])
  AC_SUBST([PAC_FC_ALL_INTEGER_KINDS_SIZEOF])  
  AC_SUBST([PAC_FORTRAN_NATIVE_INTEGER_KIND])
  AC_SUBST([PAC_FORTRAN_NATIVE_INTEGER_SIZEOF])
  AC_SUBST([PAC_FORTRAN_NATIVE_REAL_KIND])
  AC_SUBST([PAC_FORTRAN_NATIVE_REAL_SIZEOF])
  AC_SUBST([PAC_FORTRAN_NATIVE_DOUBLE_KIND])
  AC_SUBST([PAC_FORTRAN_NATIVE_DOUBLE_SIZEOF])
  AC_SUBST([HAVE_Fortran_INTEGER_SIZEOF_16])
  AC_SUBST([FORTRAN_HAVE_C_LONG_DOUBLE])
  AC_SUBST([FORTRAN_C_LONG_DOUBLE_IS_UNIQUE])
  AC_SUBST([FORTRAN_SIZEOF_LONG_DOUBLE])
  AC_SUBST([H5CONFIG_F_NUM_RKIND])
  AC_SUBST([H5CONFIG_F_RKIND])	
  AC_SUBST([H5CONFIG_F_RKIND_SIZEOF])	
  AC_SUBST([H5CONFIG_F_NUM_IKIND])
  AC_SUBST([H5CONFIG_F_IKIND])
  AC_DEFINE_UNQUOTED([Fortran_COMPILER_ID], $Fortran_COMPILER_ID, [Define Fortran compiler ID])

  ## Setting definition if there is a 16 byte fortran integer
  if `echo $PAC_FC_ALL_INTEGER_KINDS_SIZEOF | grep '16' >/dev/null`; then
    HAVE_Fortran_INTEGER_SIZEOF_16="1" 	
    AC_DEFINE([HAVE_Fortran_INTEGER_SIZEOF_16], [1], [Determine if INTEGER*16 is available])
  else
    HAVE_Fortran_INTEGER_SIZEOF_16="0"
    AC_DEFINE([HAVE_Fortran_INTEGER_SIZEOF_16], [0], [Determine if INTEGER*16 is available])
  fi

  if test "X$HAVE_STORAGE_SIZE_FORTRAN" = "Xyes"; then
    AC_DEFINE([FORTRAN_HAVE_STORAGE_SIZE], [1], [Define if we have Fortran intrinsic STORAGE_SIZE])
  fi

  if  test "X$HAVE_C_SIZEOF_FORTRAN" = "Xyes"; then
    AC_DEFINE([FORTRAN_HAVE_C_SIZEOF], [1], [Define if we have Fortran intrinsic C_SIZEOF])
  fi
	
  if  test "X$HAVE_SIZEOF_FORTRAN" = "Xyes"; then
    AC_DEFINE([FORTRAN_HAVE_SIZEOF], [1], [Define if we have Fortran intrinsic SIZEOF])
  fi

  ## See if C_LONG_DOUBLE is available
  PAC_PROG_FC_HAVE_C_LONG_DOUBLE

  FORTRAN_HAVE_C_LONG_DOUBLE="0" 
  if test "X$HAVE_C_LONG_DOUBLE_FORTRAN" = "Xyes"; then
    FORTRAN_HAVE_C_LONG_DOUBLE="1" 
    AC_DEFINE([FORTRAN_HAVE_C_LONG_DOUBLE], [1], [Define if we have Fortran C_LONG_DOUBLE])
  fi

  ## Is C_LONG_DOUBLE different from C_DOUBLE
  FORTRAN_C_LONG_DOUBLE_IS_UNIQUE="0"
  if test "X$FORTRAN_HAVE_C_LONG_DOUBLE"; then
    PAC_PROG_FC_C_LONG_DOUBLE_EQ_C_DOUBLE
    if test "X$C_LONG_DOUBLE_IS_UNIQUE_FORTRAN" = "Xyes"; then
      FORTRAN_C_LONG_DOUBLE_IS_UNIQUE="1"
      AC_DEFINE([FORTRAN_C_LONG_DOUBLE_IS_UNIQUE], [1], [Define if Fortran C_LONG_DOUBLE is different from C_DOUBLE])
    else
      FORTRAN_C_LONG_DOUBLE_IS_UNIQUE="0"
    fi
  fi
  
  FORTRAN_SIZEOF_LONG_DOUBLE=${ac_cv_sizeof_long_double}
  AC_DEFINE_UNQUOTED([FORTRAN_SIZEOF_LONG_DOUBLE], ["${ac_cv_sizeof_long_double}"], [Determine the size of C long double])


  dnl get the largest sizeof for REAL kinds
  max_real_fortran_sizeof="`echo $PAC_FC_ALL_REAL_KINDS_SIZEOF | sed -ne 's/.*,\([[0-9]]*\)\}/\1/p'`"
  max_real_fortran_kind="`echo \"[$]PAC_FC_ALL_REAL_KINDS\" | sed -ne 's/.*,\([[0-9]]*\)\}/\1/p'`"

  dnl remove the invalid kind from the list
  if test "$ac_cv_sizeof___float128" != 0;then
    if test "$ac_cv_sizeof___float128" != "$max_real_fortran_sizeof" && 
       test "${ac_cv_sizeof_long_double}" != "$max_real_fortran_sizeof" &&
       dnl account for the fact that the C compiler can have 16-byte __float128 and the Fortran compiler only has 8-byte doubles,
       dnl so we don't want to remove the 8-byte Fortran doubles. This is sometimes the case if different C and Fortran vendors
       dnl are used (for example gnu and pgi).
       test "${ac_cv_sizeof_double}" != "$max_real_fortran_sizeof" ; then
          AC_MSG_WARN([
           Fortran REAL(KIND=$max_real_fortran_kind) is $max_real_fortran_sizeof Bytes, but no corresponding C float type exists of that size
                     !!! Fortran interfaces will not be generated for REAL(KIND=$max_real_fortran_kind) !!!
          ])
      PAC_FC_ALL_REAL_KINDS="`echo $PAC_FC_ALL_REAL_KINDS | sed -e 's/,[[0-9]]\+}/}/g'`"
      PAC_FC_ALL_REAL_KINDS_SIZEOF="`echo $PAC_FC_ALL_REAL_KINDS_SIZEOF | sed -e 's/,[[0-9]]\+}/}/g'`"
    fi
  fi
  AC_MSG_CHECKING([for Fortran interoperable KINDS with C])
  AC_MSG_RESULT([$PAC_FC_ALL_REAL_KINDS])	

  dnl count the number of real kinds
  H5CONFIG_F_NUM_RKIND="INTEGER, PARAMETER :: num_rkinds = `echo \"[$]PAC_FC_ALL_REAL_KINDS\" |  tr -d -c ',\n' | awk '{ print length + 1; }'`"
  H5CONFIG_F_RKIND="INTEGER, DIMENSION(1:num_rkinds) :: rkind = (/`echo $PAC_FC_ALL_REAL_KINDS | sed -e 's/{//g' | sed -e 's/}//g' | sed -e 's/ /,/g'`/)"
  H5CONFIG_F_RKIND_SIZEOF="INTEGER, DIMENSION(1:num_rkinds) :: rkind_sizeof = (/`echo $PAC_FC_ALL_REAL_KINDS_SIZEOF | sed -e 's/{//g' | sed -e 's/}//g'| sed -e 's/ /,/g'`/)"

  AC_DEFINE_UNQUOTED([H5CONFIG_F_NUM_RKIND], $H5CONFIG_F_NUM_RKIND, [Define number of valid Fortran REAL KINDs])
  AC_DEFINE_UNQUOTED([H5CONFIG_F_RKIND], $H5CONFIG_F_RKIND, [Define valid Fortran REAL KINDs])
  AC_DEFINE_UNQUOTED([H5CONFIG_F_RKIND_SIZEOF], $H5CONFIG_F_RKIND_SIZEOF, [Define valid Fortran REAL KINDs Sizeof])

## Change back to the C language
  AC_LANG_POP(Fortran)
else
  FC="no"
fi

## ----------------------------------------------------------------------
## Check if they would like the C++ interface compiled
##
## We need to check for a C++ compiler unconditionally, since
## AC_PROG_CXX defines some macros that Automake 1.9.x uses and will
## miss even if c++ is not enabled.
  AC_PROG_CXX
  AC_PROG_CXXCPP	## this is checked for when AC_HEADER_STDC is done

AC_MSG_CHECKING([if c++ interface enabled])

AC_ARG_ENABLE([cxx],
              [AS_HELP_STRING([--enable-cxx],
                              [Compile the C++ interface [default=no]])],
              [HDF_CXX=$enableval])

if test "X$HDF_CXX" = "Xyes"; then
  echo "yes"
  HDF5_INTERFACES="$HDF5_INTERFACES c++"

  ## Change to the C++ language
  AC_LANG_PUSH(C++)

  # Checking if C++ needs old style header files in includes
  PAC_PROG_CXX_HEADERS

  # Checking if C++ can handle namespaces
  PAC_PROG_CXX_NAMESPACE

  # Checking if C++ has offsetof extension
  PAC_PROG_CXX_OFFSETOF

  # if C++ can handle static cast
  PAC_PROG_CXX_STATIC_CAST

else
  AC_MSG_RESULT([no])
  CXX="no"
fi

## Change back to the C language
AC_LANG_POP(C++)


## ----------------------------------------------------------------------
## Check if they would like the High Level library  compiled
##

AC_SUBST(HL) HL=""
## name of fortran folder inside "hl", if FORTRAN compile is requested
AC_SUBST(HL_FOR) HL_FOR=""
AC_MSG_CHECKING([if high level library is enabled])
AC_ARG_ENABLE([hl],
     [AS_HELP_STRING([--enable-hl],
                     [Enable the high level library [default=yes]])],
     [HDF5_HL=$enableval],
     [HDF5_HL=yes])

if test "X$HDF5_HL" = "Xyes"; then
 echo "yes"
 HL="hl"
 AC_DEFINE([INCLUDE_HL], [1],
           [Define if HDF5's high-level library headers should be included in hdf5.h])
else
 echo "no"
fi


## ----------------------------------------------------------------------
## Check which archiving tool to use. This needs to be done before
## the AM_PROG_LIBTOOL macro.
##

if test -z "$AR"; then
  AC_CHECK_PROGS([AR], [ar xar], [:], [$PATH])
fi
AC_SUBST([AR])

## Export the AR macro so that it will be placed in the libtool file
## correctly.
export AR

AC_PROG_MAKE_SET
AC_PROG_INSTALL


## ----------------------------------------------------------------------
## Set up ${TR} which is used to process DEBUG_PKG.

AC_PATH_PROG([TR], [tr])


## ----------------------------------------------------------------------
## Check that time can be used with srcdir.  This is okay on most systems,
## but seems to cause problems on Cygwin.
## The solution on Cygwin is not to record execution time for tests.
##
## Note: This is still true as of Cygwin 1.7.32 (Aug 2014) on both 32-
## and 64-bit platforms. Given how long this has been true, it seems
## unlikely to change, but we should probably re-test this periodically.

AC_MSG_CHECKING([if srcdir= and time commands work together])

AC_SUBST([TIME])
TIME=time
TIME_TEST=`foo="bar" ${TIME} echo 'baz' 2> /dev/null | grep baz`

if test "X${TIME_TEST}" = "Xbaz"; then
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
  TIME=
fi


## The following variables are used to distinguish between building a
## serial and parallel library.
##
##    HAVE_PARALLEL	-- defined in H5config.h if we are building
##			   a parallel library even if configure wasn't
##			   able to find some header file or library that
##			   might be required. This is defined if the
##			   user explicitly states
##			   that a parallel library is being built by supplying
##			   the `--enable-parallel' configure switch.
##
##    PARALLEL		-- This variable is set to a non-null value if
##			   we're building a parallel version of the library.
##
##    RUNSERIAL	        -- This is a command which will be prepended to
##			   the executable name to run the executable using
##			   a single process. For serial versions of the
##			   library this will normally be empty. For parallel
##			   versions it might be something like `mpiexec -n 1'.
##			   The value of this variable is substituted in *.in
##			   files.
##
##    RUNPARALLEL	-- This is a command which will be prepended to
##			   the executable name to run the executable on
##			   multiple processors. For the serial library the
##			   value will normally be the empty string. For
##			   parallel library it should be something like
##			   "mpiexec -n \$\${NPROCS:=6}" where NPROCS will
##			   eventually contain the number of processors on which
##			   to run the executable (the double dollarsigns are to
##			   protect the expansion until make executes the
##			   command).  The value of this variable is
##			   substituted in *.in files.
##
AC_SUBST([PARALLEL])
AC_SUBST([RUNSERIAL])
AC_SUBST([RUNPARALLEL])
AC_SUBST([TESTPARALLEL])

## ----------------------------------------------------------------------
## Disable shared libraries on CYGWIN. (LK - 04/16/15)
## A number of tests run by "make check" fail on CYGWIN, so for HDF5 v1.8.15
## we will change the default for shared libraries to disabled.


case "`uname`" in
  CYGWIN*)
    enable_shared="no"
    CHECK_WARN="Shared libraries are not currently supported on CYGWIN."
    ;;
esac

## ----------------------------------------------------------------------
## Fortran libraries are not currently supported on Mac. Disable them.
## (this is overridable with --enable-unsupported).
##
AC_SUBST([H5_FORTRAN_SHARED])
H5_FORTRAN_SHARED="no"
if test "X${HDF_FORTRAN}" = "Xyes" && test "X${enable_shared}" != "Xno"; then
  AC_MSG_CHECKING([if shared Fortran libraries are supported])
  H5_FORTRAN_SHARED="yes"

  ## Disable fortran shared libraries on Mac. (MAM - 03/30/11)

  case "`uname`" in
    Darwin*)
    H5_FORTRAN_SHARED="no"
    CHECK_WARN="Shared Fortran libraries not currently supported on Mac."
      ;;
  esac

  ## Report results of check(s)

  if test "X${H5_FORTRAN_SHARED}" = "Xno"; then
    AC_MSG_RESULT([no])
    AC_MSG_WARN([$CHECK_WARN])
    if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
      AC_MSG_WARN([Disabling shared Fortran libraries.])
      AC_MSG_WARN([To override this behavior, please use --enable-unsupported configure option.])
        if test "X${enable_static}" = "Xno"; then
          AC_MSG_ERROR([both static and shared Fortran libraries are disabled])
        fi
    else
      AC_MSG_WARN([Allowing unsupported Fortran shared libraries due to use of --enable-unsupported flag])
      H5_FORTRAN_SHARED="yes"
    fi
  else
    AC_MSG_RESULT([yes])
  fi
fi

AM_CONDITIONAL([FORTRAN_SHARED_CONDITIONAL], [test "X$H5_FORTRAN_SHARED" = "Xyes"])

## ----------------------------------------------------------------------
## Create libtool.  If shared/static libraries are going to be enabled
## or disabled, it should happen before these macros.
LT_PREREQ([2.2])

## ----------------------------------------------------------------------
## dlopen - This will use an improved version of libtool
## win32-dll - This will build clean dlls on win32 platforms.
LT_INIT([dlopen,win32-dll])



## ----------------------------------------------------------------------
## Check if we should install only statically linked executables.
##   This check needs to occur after libtool is initialized because
##   we check a libtool cache value and may issue a warning based
##   on its result.
AC_MSG_CHECKING([if we should install only statically linked executables])
AC_ARG_ENABLE([static_exec],
              [AS_HELP_STRING([--enable-static-exec],
                              [Install only statically linked executables
                               [default=no]])],
              [STATIC_EXEC=$enableval])

if test "X$STATIC_EXEC" = "Xyes"; then
  echo "yes"
  ## Issue a warning if -static flag is not supported.
  if test "X$lt_cv_prog_compiler_static_works" = "Xno"; then
      echo "    warning: -static flag not supported on this system; executable won't statically link shared system libraries."
      LT_STATIC_EXEC=""
  else
    LT_STATIC_EXEC="-all-static"
  fi
else
  echo "no"
  LT_STATIC_EXEC=""
fi
AM_CONDITIONAL([USE_PLUGINS_CONDITIONAL], [test "X$LT_STATIC_EXEC" = X])

AC_SUBST([LT_STATIC_EXEC])

## Fix up the INSTALL macro if it's a relative path. We want the
## full-path to the binary instead.
case "$INSTALL" in
  *install-sh*)
    INSTALL='\${top_srcdir}/bin/install-sh -c'
    ;;
esac

## ----------------------------------------------------------------------
## Some users have reported problems with libtool's use of '-Wl,-rpath' to
## link shared libraries in nondefault directories. Allow users to
## disable embedding the rpath information in the executables and to
## instead solely rely on the information in LD_LIBRARY_PATH.
AC_MSG_CHECKING([if -Wl,-rpath should be used to link shared libs in nondefault directories])
AC_ARG_ENABLE([sharedlib-rpath],
              [AS_HELP_STRING([--disable-sharedlib-rpath],
               [Disable use of the '=Wl,-rpath' linker option])],
              [RPATH=$enableval])

case "X-$RPATH" in
  X-no)
    AC_MSG_RESULT([no])
    runpath_var=
    hardcode_libdir_flag_spec=
    hardcode_libdir_flag_spec_ld=
    hardcode_into_libs=no
    ;;
  X-|X-yes)
    AC_MSG_RESULT([yes])
    ;;
  *)
    AC_MSG_RESULT([error])
    AC_MSG_ERROR([\'$enableval\' is not a valid rpath type])
    ;;
esac

## ----------------------------------------------------------------------
## pmake will throw an error if variables are undefined in a Makefile.
## These errors can be changed to warnings using the -V flag.
##
AC_SUBST([AM_MAKEFLAGS]) AM_MAKEFLAGS=""

## Don't run test if MAKE is defined but is the empty string
if test -n "${MAKE-make}"; then

  AC_MSG_CHECKING([whether make will build with undefined variables])

  cat >maketest <<EOF
foo: \$(UNDEFINED) \$(UNDEFINED2)
	@echo \$(UNDEFINED3) works
EOF

  if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then
    AC_MSG_RESULT([yes])
  else
    AC_MSG_RESULT([no, setting -V flag])
    AM_MAKEFLAGS="\-V"
  fi

  rm maketest
fi

## ----------------------------------------------------------------------
## Production flags?  Save the value in $CONFIG_MODE so we have it for
## the record.
##
AC_MSG_CHECKING([for production mode])
AC_ARG_ENABLE([production],
              [AS_HELP_STRING([--enable-production],
                              [Determines how to run the compiler.])])

case "X-$enable_production" in
  X-yes)
    enable_production="yes"
    AC_MSG_RESULT([production])
    CONFIG_MODE=production
    H5_CFLAGS="$H5_CFLAGS $PROD_CFLAGS"
    H5_CPPFLAGS="$H5_CPPFLAGS $PROD_CPPFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $PROD_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $PROD_FCFLAGS"
    ;;
  X-|X-no)
    enable_production="no"
    AC_MSG_RESULT([development])
    CONFIG_MODE=development
    H5_CFLAGS="$H5_CFLAGS $DEBUG_CFLAGS"
    H5_CPPFLAGS="$H5_CPPFLAGS $DEBUG_CPPFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $DEBUG_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $DEBUG_FCFLAGS"
    ;;
  X-pg|X-profile)
    enable_production="profile"
    AC_MSG_RESULT([profile])
    CONFIG_MODE=profile
    H5_CFLAGS="$H5_CFLAGS $PROFILE_CFLAGS"
    H5_CPPFLAGS="$H5_CPPFLAGS $PROFILE_CPPFLAGS"
    H5_CXXFLAGS="$H5_CXXFLAGS $PROFILE_CXXFLAGS"
    H5_FCFLAGS="$H5_FCFLAGS $PROFILE_FCFLAGS"
    ;;
  *)
    enable_production="user-defined"
    AC_MSG_RESULT([user-defined])
    CONFIG_MODE="$enableval"
    ;;
esac

## ----------------------------------------------------------------------
## Check for system libraries. "dl" stands for dynamically loaded library
##
AC_CHECK_LIB([m], [ceil])
AC_CHECK_LIB([dl], [dlopen])

## ----------------------------------------------------------------------
## Check for system header files.
##
AC_HEADER_STDC
AC_HEADER_TIME

## Unix
AC_CHECK_HEADERS([sys/resource.h sys/time.h unistd.h sys/ioctl.h sys/stat.h])
AC_CHECK_HEADERS([sys/socket.h sys/types.h])
AC_CHECK_HEADERS([stddef.h setjmp.h features.h])
AC_CHECK_HEADERS([dirent.h])
AC_CHECK_HEADERS([stdint.h], [C9x=yes])

## Darwin
AC_CHECK_HEADERS([mach/mach_time.h])
## Also need to detect Darwin for pubconf
case $host_os in
  darwin*)
    AC_DEFINE([HAVE_DARWIN], [1], [Define if Darwin or Mac OS X])
  ;;
esac

## Windows
case "`uname`" in
  CYGWIN*)
    AC_CHECK_HEADERS([io.h sys/timeb.h])
    ;;
  MINGW*)
    AC_CHECK_HEADERS([io.h winsock2.h sys/timeb.h])
    AC_HAVE_LIBRARY([ws2_32])
    ;;
  *)
    AC_CHECK_HEADERS([io.h winsock2.h sys/timeb.h])
    ;;
esac

## ----------------------------------------------------------------------
## Some platforms require that all symbols are resolved when a library
## is linked. We can use the -no-undefined flag to tell libtool that
## it will be able to build shared libraries on these architectures,
## as it will not do so by default.
##
if test "X${enable_shared}" = "Xyes"; then
  AC_MSG_CHECKING([if libtool needs -no-undefined flag to build shared libraries])
  case "`uname`" in
    CYGWIN*|MINGW*|AIX*)
      ## Add in the -no-undefined flag to LDFLAGS for libtool.
      AC_MSG_RESULT([yes])
      H5_LDFLAGS="$H5_LDFLAGS -no-undefined"
      ;;
    *)
      ## Don't add in anything.
      AC_MSG_RESULT([no])
      ;;
  esac
fi

## ----------------------------------------------------------------------
## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
## that might need to be set for largefile support to behave
## correctly. This macro is defined in acsite.m4 and overrides
## the version provided by Autoconf (as of v2.65). The custom
## macro additionally adds the appropriate defines to AM_CPPFLAGS
## so that later configure checks have them visible.

## Check for _FILE_OFFSET_BITS
_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
  [ac_cv_sys_file_offset_bits],
  [Number of bits in a file offset, on hosts where this is settable.],
  [_AC_SYS_LARGEFILE_TEST_INCLUDES])

## Check for _LARGE_FILES
if test "$ac_cv_sys_file_offset_bits" = unknown; then
  _AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
    [ac_cv_sys_large_files],
    [Define for large files, on AIX-style hosts.],
    [_AC_SYS_LARGEFILE_TEST_INCLUDES])
fi

## ----------------------------------------------------------------------
## Add necessary defines for Linux Systems.
##
case "$host_cpu-$host_vendor-$host_os" in
  *linux*)
    ## Make available various LFS-related routines using the following
    ## _LARGEFILE*_SOURCE macros.
    AM_CPPFLAGS="-D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE $AM_CPPFLAGS"

    ## Add POSIX support on Linux systems, so <features.h> defines
    ## __USE_POSIX, which is required to get the prototype for fdopen
    ## defined correctly in <stdio.h>.
    ##
    ## This flag was removed from h5cc as of 2009-10-17 when it was found
    ## that the flag broke compiling netCDF-4 code with h5cc, but kept in
    ## H5_CPPFLAGS because fdopen and HDfdopen fail without it. HDfdopen
    ## is used only by H5_debug_mask which is used only when debugging in
    ## H5_init_library (all in H5.c).  When the flag was removed this was
    ## the only compile failure noted.
    ##
    ## This was originally defined as _POSIX_SOURCE which was updated to
    ## _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX
    ## functionality so clock_gettime and CLOCK_MONOTONIC are defined
    ## correctly. This was later updated to 200112L so that
    ## posix_memalign() is visible for the direct VFD code on Linux
    ## systems.
    ##
    ## POSIX feature information can be found in the gcc manual at:
    ## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
    H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"

    ## Need to add this so that O_DIRECT is visible for the direct
    ## VFD on Linux systems.
    H5_CPPFLAGS="-D_GNU_SOURCE $H5_CPPFLAGS"
    ;;
esac

## Need to add the AM_ and H5_ into CFLAGS/CPPFLAGS to make them visible
## for configure checks.
## Note: Both will be restored by the end of configure.
CPPFLAGS="$H5_CPPFLAGS $AM_CPPFLAGS $CPPFLAGS"
CFLAGS="$H5_CFLAGS $AM_CFLAGS $CFLAGS"

AC_TRY_COMPILE([#include <sys/types.h>],
               [off64_t n = 0;],
               [AC_CHECK_FUNCS([lseek64 fseeko64 ftello64 ftruncate64])],
               [AC_MSG_RESULT([skipping test for lseek64(), fseeko64 , ftello64, ftruncate64() because off64_t is not defined])])
AC_CHECK_FUNCS([fseeko ftello])
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/stat.h>],
[struct stat64 sb;],
[AC_CHECK_FUNCS([stat64 fstat64])],
[AC_MSG_RESULT([skipping test for stat64() and fstat64()])])

## Checkpoint the cache
AC_CACHE_SAVE

## Posix.1g types (C9x)
cat >>confdefs.h <<\EOF
#include <sys/types.h>
EOF

if test "X$C9x" = "Xyes"; then
  cat >>confdefs.h <<\EOF
#include <stdint.h>
EOF
fi

AC_CHECK_SIZEOF(        [int8_t], [1])
AC_CHECK_SIZEOF(       [uint8_t], [1])
AC_CHECK_SIZEOF(  [int_least8_t], [1])
AC_CHECK_SIZEOF( [uint_least8_t], [1])
AC_CHECK_SIZEOF(   [int_fast8_t], [1])
AC_CHECK_SIZEOF(  [uint_fast8_t], [1])

AC_CHECK_SIZEOF(       [int16_t], [2])
AC_CHECK_SIZEOF(      [uint16_t], [2])
AC_CHECK_SIZEOF( [int_least16_t], [2])
AC_CHECK_SIZEOF([uint_least16_t], [2])
AC_CHECK_SIZEOF(  [int_fast16_t], [2])
AC_CHECK_SIZEOF( [uint_fast16_t], [2])

AC_CHECK_SIZEOF(       [int32_t], [4])
AC_CHECK_SIZEOF(      [uint32_t], [4])
AC_CHECK_SIZEOF( [int_least32_t], [4])
AC_CHECK_SIZEOF([uint_least32_t], [4])
AC_CHECK_SIZEOF(  [int_fast32_t], [4])
AC_CHECK_SIZEOF( [uint_fast32_t], [4])

AC_CHECK_SIZEOF(       [int64_t], [8])
AC_CHECK_SIZEOF(      [uint64_t], [8])
AC_CHECK_SIZEOF( [int_least64_t], [8])
AC_CHECK_SIZEOF([uint_least64_t], [8])
AC_CHECK_SIZEOF(  [int_fast64_t], [8])
AC_CHECK_SIZEOF( [uint_fast64_t], [8])

AC_CHECK_SIZEOF([size_t], [4])
AC_CHECK_SIZEOF([ssize_t], [4])
AC_CHECK_SIZEOF([ptrdiff_t], [4])

cat >>confdefs.h <<\EOF
#include <sys/types.h> /*for off_t definition*/
EOF
AC_CHECK_SIZEOF([off_t], [4])
AC_CHECK_SIZEOF([off64_t], [8])

## Checkpoint the cache
AC_CACHE_SAVE

## ----------------------------------------------------------------------
## Check if the dev_t type is a scalar type (must come after the check for
## sys/types.h)
AC_MSG_CHECKING([if dev_t is scalar])
AC_TRY_COMPILE([
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
  ],
  [dev_t d1, d2; if(d1==d2) return 0;],
  AC_DEFINE([DEV_T_IS_SCALAR], [1],
            [Define if `dev_t' is a scalar])
  AC_MSG_RESULT([yes]),
  AC_MSG_RESULT([no])
)

## ----------------------------------------------------------------------
## Fake --with-xxx option to allow us to create a help message for the
## following --with-xxx options which can take either a =DIR or =INC,LIB
## specifier.
##
AC_ARG_WITH([fnord],
  [
 For the following --with-xxx options, you can specify where the header
 files and libraries are in two different ways:

    --with-xxx=INC,LIB - Specify individually the include directory and
                         library directory separated by a comma
    --with-xxx=DIR     - Specify only the directory which contains the
                         include/ and lib/ subdirectories
  ])

## ----------------------------------------------------------------------
## Is the dmalloc present? It has a header file `dmalloc.h' and a library
## `-ldmalloc' and their locations might be specified with the `--with-dmalloc'
## command-line switch. The value is an include path and/or a library path.
## If the library path is specified then it must be preceded by a comma.
##
AC_ARG_WITH([dmalloc],
            [AS_HELP_STRING([--with-dmalloc=DIR],
                            [Use dmalloc memory debugging aid [default=no]])],,
            [withval=no])

case $withval in
  yes)
    HAVE_DMALLOC="yes"
    AC_CHECK_HEADERS([dmalloc.h],, [unset HAVE_DMALLOC])
    if test "x$HAVE_DMALLOC" = "xyes"; then
      AC_CHECK_LIB([dmalloc], [dmalloc_shutdown],, [unset HAVE_DMALLOC])
    fi
    if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find dmalloc library])
    fi
    ;;
  no)
    HAVE_DMALLOC="no"
    AC_MSG_CHECKING([for dmalloc library])
    AC_MSG_RESULT([suppressed])
    ;;
  *)
    HAVE_DMALLOC="yes"
    case "$withval" in
      *,*)
        dmalloc_inc="`echo $withval |cut -f1 -d,`"
        dmalloc_lib="`echo $withval |cut -f2 -d, -s`"
        ;;
      *)
        if test -n "$withval"; then
          dmalloc_inc="$withval/include"
          dmalloc_lib="$withval/lib"
        fi
        ;;
    esac

    saved_CPPFLAGS="$CPPFLAGS"
    saved_AM_CPPFLAGS="$AM_CPPFLAGS"
    saved_LDFLAGS="$LDFLAGS"
    saved_AM_LDFLAGS="$AM_LDFLAGS"

    if test -n "$dmalloc_inc"; then
      CPPFLAGS="$CPPFLAGS -I$dmalloc_inc"
      AM_CPPFLAGS="$AM_CPPFLAGS -I$dmalloc_inc"
    fi

    AC_CHECK_HEADERS([dmalloc.h],,[CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"] [unset HAVE_DMALLOC])

    if test "x$HAVE_DMALLOC" = "xyes"; then
      if test -n "$dmalloc_lib"; then
        LDFLAGS="$LDFLAGS -L$dmalloc_lib"
        AM_LDFLAGS="$AM_LDFLAGS -L$dmalloc_lib"
      fi

      AC_CHECK_LIB([dmalloc], [dmalloc_shutdown],, [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_DMALLOC])
    fi

    if test -z "$HAVE_DMALLOC" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find dmalloc library])
    fi
    ;;
esac

## ----------------------------------------------------------------------
## Is the GNU zlib present? It has a header file `zlib.h' and a library
## `-lz' and their locations might be specified with the `--with-zlib'
## command-line switch. The value is an include path and/or a library path.
## If the library path is specified then it must be preceded by a comma.
##
AC_SUBST([USE_FILTER_DEFLATE]) USE_FILTER_DEFLATE="no"
AC_ARG_WITH([zlib],
            [AS_HELP_STRING([--with-zlib=DIR],
                            [Use zlib library for external deflate I/O
                             filter [default=yes]])],,
            [withval=yes])

case $withval in
  yes)
    HAVE_ZLIB="yes"
    AC_CHECK_HEADERS([zlib.h], [HAVE_ZLIB_H="yes"], [unset HAVE_ZLIB])
    if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes"; then
      AC_CHECK_LIB([z], [compress2],, [unset HAVE_ZLIB])
    fi
    if test -z "$HAVE_ZLIB"; then
      if test -n "$HDF5_CONFIG_ABORT"; then
        AC_MSG_ERROR([couldn't find zlib library])
      fi
    else
      AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"])
    fi
    ;;
  no)
    HAVE_ZLIB="no"
    AC_MSG_CHECKING([for zlib])
    AC_MSG_RESULT([suppressed])
    ;;
  *)
    HAVE_ZLIB="yes"
    case "$withval" in
      *,*)
        zlib_inc="`echo $withval | cut -f1 -d,`"
        zlib_lib="`echo $withval | cut -f2 -d, -s`"
        ;;
      *)
        if test -n "$withval"; then
          zlib_inc="$withval/include"
          zlib_lib="$withval/lib"
        fi
        ;;
    esac

    saved_CPPFLAGS="$CPPFLAGS"
    saved_AM_CPPFLAGS="$AM_CPPFLAGS"
    saved_LDFLAGS="$LDFLAGS"
    saved_AM_LDFLAGS="$AM_LDFLAGS"

    if test -n "$zlib_inc"; then
      CPPFLAGS="$CPPFLAGS -I$zlib_inc"
      AM_CPPFLAGS="$AM_CPPFLAGS -I$zlib_inc"
    fi

    AC_CHECK_HEADERS([zlib.h],
                     [HAVE_ZLIB_H="yes"],
                     [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"] [unset HAVE_ZLIB])

    if test -n "$zlib_lib"; then
      LDFLAGS="$LDFLAGS -L$zlib_lib"
      AM_LDFLAGS="$AM_LDFLAGS -L$zlib_lib"
    fi

    if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes"; then
      AC_CHECK_LIB([z], [compress2],,
                   [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_ZLIB])
    fi

    if test -z "$HAVE_ZLIB"; then
      if test -n "$HDF5_CONFIG_ABORT"; then
        AC_MSG_ERROR([couldn't find zlib library])
      fi
    else
      AC_CHECK_FUNC([compress2], [HAVE_COMPRESS2="yes"])
    fi
    ;;
esac

if test "x$HAVE_ZLIB" = "xyes" -a "x$HAVE_ZLIB_H" = "xyes" -a "x$HAVE_COMPRESS2" = "xyes"; then
  AC_DEFINE([HAVE_FILTER_DEFLATE], [1], [Define if support for deflate (zlib) filter is enabled])
  USE_FILTER_DEFLATE="yes"

  ## Add "deflate" to external filter list
  if test "X$EXTERNAL_FILTERS" != "X"; then
    EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
  fi
  EXTERNAL_FILTERS="${EXTERNAL_FILTERS}deflate(zlib)"
fi


## ----------------------------------------------------------------------
## Is the szlib present? It has a header file `szlib.h' and a library
## `-lsz' and their locations might be specified with the `--with-szlib'
## command-line switch. The value is an include path and/or a library path.
## If the library path is specified then it must be preceded by a comma.
##
AC_SUBST([USE_FILTER_SZIP]) USE_FILTER_SZIP="no"
AC_ARG_WITH([szlib],
            [AS_HELP_STRING([--with-szlib=DIR],
                            [Use szlib library for external szlib I/O
                             filter [default=no]])],,
            [withval=no])

case $withval in
  yes)
    HAVE_SZLIB="yes"
    AC_CHECK_HEADERS([szlib.h], [HAVE_SZLIB_H="yes"], [unset HAVE_SZLIB])
    if test "x$HAVE_SZLIB" = "xyes" -a "x$HAVE_SZLIB_H" = "xyes"; then
      AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],, [unset HAVE_SZLIB])
    fi
    if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find szlib library])
    fi
    ;;
  no)
    HAVE_SZLIB="no"
    AC_MSG_CHECKING([for szlib])
    AC_MSG_RESULT([suppressed])
    ;;
  *)
    HAVE_SZLIB="yes"
    case "$withval" in
      *,*)
        szlib_inc="`echo $withval |cut -f1 -d,`"
        szlib_lib="`echo $withval |cut -f2 -d, -s`"
        ;;
      *)
        if test -n "$withval"; then
          szlib_inc="$withval/include"
          szlib_lib="$withval/lib"
        fi
        ;;
    esac

    saved_CPPFLAGS="$CPPFLAGS"
    saved_AM_CPPFLAGS="$AM_CPPFLAGS"
    saved_LDFLAGS="$LDFLAGS"
    saved_AM_LDFLAGS="$AM_LDFLAGS"

    if test -n "$szlib_inc"; then
      CPPFLAGS="$CPPFLAGS -I$szlib_inc"
      AM_CPPFLAGS="$AM_CPPFLAGS -I$szlib_inc"
    fi

    AC_CHECK_HEADERS([szlib.h],
                     [HAVE_SZLIB_H="yes"],
                     [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"] [unset HAVE_SZLIB])

    if test -n "$szlib_lib"; then
      LDFLAGS="$LDFLAGS -L$szlib_lib"
      AM_LDFLAGS="$AM_LDFLAGS -L$szlib_lib"
    fi

    if test "x$HAVE_SZLIB" = "xyes" -a "x$HAVE_SZLIB_H" = "xyes"; then
      AC_CHECK_LIB([sz], [SZ_BufftoBuffCompress],,
                   [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_SZLIB])
    fi

    if test -z "$HAVE_SZLIB" -a -n "$HDF5_CONFIG_ABORT"; then
      AC_MSG_ERROR([couldn't find szlib library])
    fi
    ;;
esac

if test "x$HAVE_SZLIB" = "xyes" -a "x$HAVE_SZLIB_H" = "xyes"; then
  ## SZLIB library is available.  Check if it can encode
  AC_MSG_CHECKING([for szlib encoder])

  ## Set LD_LIBRARY_PATH so encoder test can find the library and run.
  ## Also add LL_PATH substitution to Makefiles so they can use the
  ## path as well, for testing examples.
  if test -z "$LD_LIBRARY_PATH"; then
    export LD_LIBRARY_PATH="$szlib_lib"
  else
    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$szlib_lib"
  fi

  AC_SUBST([LL_PATH]) LL_PATH="$LD_LIBRARY_PATH"

  AC_CACHE_VAL([hdf5_cv_szlib_can_encode],
        [AC_RUN_IFELSE(
            [AC_LANG_PROGRAM([
                #include "szlib.h"
            ],[[
                /* SZ_encoder_enabled returns 1 if encoder is present */
                if(SZ_encoder_enabled() == 1)
                    exit(0);
                else
                    exit(1);
            ]])]
        , [hdf5_cv_szlib_can_encode=yes], [hdf5_cv_szlib_can_encode=no],)]
   )

  AC_DEFINE([HAVE_FILTER_SZIP], [1],
            [Define if support for szip filter is enabled])
  USE_FILTER_SZIP="yes"

  if test ${hdf5_cv_szlib_can_encode} = "yes"; then
    AC_MSG_RESULT([yes])
  fi
  if test ${hdf5_cv_szlib_can_encode} = "no"; then
    AC_MSG_RESULT([no])
  fi

  ## Add "szip" to external filter list
  if test ${hdf5_cv_szlib_can_encode} = "yes"; then
    if test "X$EXTERNAL_FILTERS" != "X"; then
      EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
    fi
    EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(encoder)"
  fi
  if test ${hdf5_cv_szlib_can_encode} = "no"; then
    if test "X$EXTERNAL_FILTERS" != "X"; then
      EXTERNAL_FILTERS="${EXTERNAL_FILTERS},"
    fi
    EXTERNAL_FILTERS="${EXTERNAL_FILTERS}szip(no encoder)"
  fi
fi

AM_CONDITIONAL([BUILD_SHARED_SZIP_CONDITIONAL], [test "X$USE_FILTER_SZIP" = "Xyes" && test "X$LL_PATH" != "X"])

## Checkpoint the cache
AC_CACHE_SAVE

## ----------------------------------------------------------------------
## Enable thread-safe version of library.  It requires Pthreads support
## on POSIX systems.
##
AC_MSG_CHECKING([for thread safe support])
AC_ARG_ENABLE([threadsafe],
              [AS_HELP_STRING([--enable-threadsafe],
                              [Enable thread-safe capability. Not compatible with the high-level library, Fortran, or C++ wrappers.
                              [default=no]])],
              [THREADSAFE=$enableval])

## NOTE: The high-level, C++, and Fortran interfaces are not compatible
## with the thread-safety option because the lock is not hoisted
## into the higher-level API calls.

## --enable-threadsafe is incompatible with --enable-hl unless
## --enable-unsupported has been specified on the configure line.
##
## Note that the high-level library is enabled by default so most
## users will have to add --disable-hl to the configure options.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF5_HL}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
    AC_MSG_ERROR([The thread-safe library is incompatible with the high-level library. --disable-hl can be used to prevent building the high-level library (recommended). Alternatively, --enable-unsupported will allow building the high-level library, though this configuration is not supported by The HDF Group.])
  fi
fi

## The --enable-threadsafe flag is not compatible with --enable-cxx.
## If the user tried to specify both flags, throw an error, unless
## they also provided the --enable-unsupported flag.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_CXX}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
    AC_MSG_ERROR([--enable-cxx and --enable-threadsafe flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

## --enable-threadsafe is also incompatible with --enable-fortran unless
## --enable-unsupported has been specified on the configure line.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_FORTRAN}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
    AC_MSG_ERROR([--enable-fortran and --enable-threadsafe flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi


case "X-$THREADSAFE" in
  X-|X-no)
    AC_MSG_RESULT([no])
    ;;
  X-yes)
    THREADSAFE=yes
    AC_MSG_RESULT([yes])
    ;;
  *)
    AC_MSG_RESULT([error])
    AC_MSG_ERROR([\'$enableval\' is not a valid threadsafe type])
    ;;
esac

if test "X$THREADSAFE" = "Xyes"; then
    AC_DEFINE([HAVE_THREADSAFE], [1], [Define if we have thread safe support])

    ## ----------------------------------------------------------------------
    ## Is the Pthreads library present?  It has a header file `pthread.h' and
    ## a library `-lpthread' and their locations might be specified with the
    ## `--with-pthread' command-line switch.  The value is an include path
    ## and/or a library path.  If the library path is specified then it must
    ## be preceded by a comma.
    ##
    ## Thread-safety in HDF5 only uses Pthreads via configure, so the
    ## default is "check", though this only has an effect when
    ## --enable-threadsafe is specified.
    AC_SUBST([HAVE_PTHREAD]) HAVE_PTHREAD=yes
    AC_ARG_WITH([pthread],
                [AS_HELP_STRING([--with-pthread=DIR],
                                [Specify alternative path to Pthreads library when
                                thread-safe capability is built.])],,
                [withval=check])

    case "$withval" in
      check | yes)
        AC_CHECK_HEADERS([pthread.h],, [unset HAVE_PTHREAD])
        if test "x$HAVE_PTHREAD" = "xyes"; then
          AC_CHECK_LIB([pthread], [pthread_self],, [unset HAVE_PTHREAD])
        fi
        ;;
      no)
        AC_MSG_ERROR([Must use Pthreads with thread safety])
        ;;
      *)
        case "$withval" in
          *,*)
            pthread_inc="`echo $withval | cut -f1 -d,`"
            pthread_lib="`echo $withval | cut -f2 -d, -s`"
            ;;
          *)
            if test -n "$withval"; then
              pthread_inc="$withval/include"
              pthread_lib="$withval/lib"
            fi
            ;;
        esac

        if test -n "$pthread_inc"; then
          saved_CPPFLAGS="$CPPFLAGS"
          saved_AM_CPPFLAGS="$AM_CPPFLAGS"
          CPPFLAGS="$CPPFLAGS -I$pthread_inc"
          AM_CPPFLAGS="$AM_CPPFLAGS -I$pthread_inc"
          AC_CHECK_HEADERS([pthread.h],, [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; unset HAVE_PTHREAD])
        else
          AC_CHECK_HEADERS([pthread.h],, [unset HAVE_PTHREAD])
        fi

        if test "x$HAVE_PTHREAD" = "xyes"; then
          if test -n "$pthread_lib"; then
            saved_LDFLAGS="$LDFLAGS"
            saved_AM_LDFLAGS="$AM_LDFLAGS"
            LDFLAGS="$LDFLAGS -L$pthread_lib"
            AM_LDFLAGS="$AM_LDFLAGS -L$pthread_lib"
            AC_CHECK_LIB([pthread], [pthread_self],,
                         [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset HAVE_PTHREAD])
          else
            AC_CHECK_LIB([pthread], [pthread_self],, [unset HAVE_PTHREAD])
          fi
        fi
        ;;
    esac

    ## ----------------------------------------------------------------------
    ## Check if pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM)
    ## is supported on this system
    ##
    ## Unfortunately, this probably needs to be an AC_RUN_IFELSE since
    ## it's impossible to determine if PTHREAD_SCOPE_SYSTEM is
    ## supported a priori. POSIX.1-2001 requires that a conformant
    ## system need only support one of SYSTEM or PROCESS scopes.
    ##
    ## For cross-compiling, we've added a pessimistic 'no'. You can
    ## hand-hack the config file if you know otherwise.
    AC_MSG_CHECKING([Pthreads supports system scope])
    AC_CACHE_VAL([hdf5_cv_system_scope_threads],
      [AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([
            #if STDC_HEADERS
            #include <stdlib.h>
            #include <pthread.h>
            #endif
        ],[
              pthread_attr_t attribute;
              int ret;

              pthread_attr_init(&attribute);
              ret=pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM);
              exit(ret==0 ? 0 : 1);
        ])]
      , [hdf5_cv_system_scope_threads=yes], [hdf5_cv_system_scope_threads=no], [hdf5_cv_system_scope_threads=no])])

    if test ${hdf5_cv_system_scope_threads} = "yes"; then
      AC_DEFINE([SYSTEM_SCOPE_THREADS], [1],
                [Define if your system supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM) call.])
      AC_MSG_RESULT([yes])
    else
      AC_MSG_RESULT([no])
      AC_MSG_NOTICE([Always 'no' if cross-compiling. Edit the config file if your platform supports pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM).])
    fi
fi

## ----------------------------------------------------------------------
## Check for MONOTONIC_TIMER support (used in clock_gettime).  This has
## to be done after any POSIX defines to ensure that the test gets
## the correct POSIX level on linux.
AC_CHECK_DECL([CLOCK_MONOTONIC],[have_clock_monotonic="yes"],[have_clock_monotonic="no"],[[#include <time.h>]])

## ----------------------------------------------------------------------
## How does one figure out the local time zone?  Anyone know of a
## Posix way to do this?
##

## First check if `struct tm' has a `tm_gmtoff' member.
AC_MSG_CHECKING([for tm_gmtoff in struct tm])
AC_TRY_COMPILE([
  #include <sys/time.h>
  #include <time.h>], [struct tm tm; tm.tm_gmtoff=0;],
  [AC_DEFINE([HAVE_TM_GMTOFF], [1],
          [Define if `tm_gmtoff' is a member of `struct tm'])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

## Check whether the global variable `timezone' is defined.
AC_MSG_CHECKING([for global timezone variable])

case "`uname`" in
  CYGWIN*)
    AC_MSG_RESULT([disabled in CYGWIN])
    ;;
  *)
    AC_TRY_LINK([
    #include <sys/time.h>
    #include <time.h>], [timezone=0;],
    [AC_DEFINE([HAVE_TIMEZONE], [1],
              [Define if `timezone' is a global variable])
      AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])])
    ;;
esac


## ----------------------------------------------------------------------
## Does the struct stat have the st_blocks field?  This field is not Posix.
##
AC_MSG_CHECKING([for st_blocks in struct stat])
AC_TRY_COMPILE([
  #include <sys/stat.h>],[struct stat sb; sb.st_blocks=0;],
  [AC_DEFINE([HAVE_STAT_ST_BLOCKS], [1],
          [Define if `struct stat' has the `st_blocks' field])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

## ----------------------------------------------------------------------
## How do we figure out the width of a tty in characters?
##
AC_CHECK_FUNCS([_getvideoconfig gettextinfo])
case "`uname`" in
  CYGWIN*)
    ;;
  *)
    AC_CHECK_FUNCS([GetConsoleScreenBufferInfo])
    ;;
esac
AC_CHECK_FUNCS([_scrsize ioctl])

AC_MSG_CHECKING([for struct videoconfig])
AC_TRY_COMPILE(,[struct videoconfig w; w.numtextcols=0;],
  [AC_DEFINE([HAVE_STRUCT_VIDEOCONFIG], [1],
          [Define if `struct videoconfig' is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for struct text_info])
AC_TRY_COMPILE(, [struct text_info w; w.screenwidth=0;],
  [AC_DEFINE([HAVE_STRUCT_TEXT_INFO], [1],
          [Define if `struct text_info' is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for TIOCGWINSZ])
AC_TRY_COMPILE([#include <sys/ioctl.h>],[int w=TIOCGWINSZ;],
  [AC_DEFINE([HAVE_TIOCGWINSZ], [1],
          [Define if the ioctl TIOGWINSZ is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for TIOCGETD])
AC_TRY_COMPILE([#include <sys/ioctl.h>],[int w=TIOCGETD;],
  [AC_DEFINE([HAVE_TIOCGETD], [1],
          [Define if the ioctl TIOCGETD is defined])
    AC_MSG_RESULT([yes])],
  [AC_MSG_RESULT([no])])


## ----------------------------------------------------------------------
## Check for functions.
##
## NOTE: clock_gettime may require linking to the rt or posix4 library
##       so we'll search for it before calling AC_CHECK_FUNCS.
AC_SEARCH_LIBS([clock_gettime], [rt posix4])
AC_CHECK_FUNCS([alarm clock_gettime difftime fork frexpf frexpl])
AC_CHECK_FUNCS([gethostname getpwuid getrusage gettimeofday])
AC_CHECK_FUNCS([lstat rand_r random setsysinfo])
AC_CHECK_FUNCS([signal longjmp setjmp siglongjmp sigsetjmp sigprocmask])
AC_CHECK_FUNCS([snprintf srandom strdup symlink system])
AC_CHECK_FUNCS([tmpfile asprintf vasprintf vsnprintf waitpid])

## ----------------------------------------------------------------------
## Check compiler characteristics
##
AC_C_CONST

AC_MSG_CHECKING([if the compiler understands  __inline__])
AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE([[static __inline__ void f(void){return;};]])],
    [AC_DEFINE([HAVE___INLINE__], [1], [Define if the compiler understands __inline__]) AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([if the compiler understands __inline])
AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE([[static __inline void f(void){return;};]])],
    [AC_DEFINE([HAVE___INLINE], [1], [Define if the compiler understands __inline]) AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([if the compiler understands inline])
AC_COMPILE_IFELSE(
    [AC_LANG_SOURCE([[static inline void f(void){return;};]])],
    [AC_DEFINE([HAVE_INLINE], [1], [Define if the compiler understands inline]) AC_MSG_RESULT([yes])],
    [AC_MSG_RESULT([no])]
)

AC_MSG_CHECKING([for __attribute__ extension])
AC_TRY_COMPILE(,[int __attribute__((unused)) x],
               [AC_DEFINE([HAVE_ATTRIBUTE], [1],
                         [Define if the __attribute__(()) extension is present])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])

AC_MSG_CHECKING([for __func__ extension])
AC_TRY_COMPILE(,[ const char *fname = __func__; ],
               [AC_DEFINE([HAVE_C99_FUNC], [1],
                         [Define if the compiler understands the __func__ keyword])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for __FUNCTION__ extension])
AC_TRY_COMPILE(,[ const char *fname = __FUNCTION__; ],
               [AC_DEFINE([HAVE_FUNCTION], [1],
                         [Define if the compiler understands the __FUNCTION__ keyword])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for C99 designated initialization support])
AC_TRY_COMPILE(,[
                typedef struct {
                    int x;
                    union {
                        int i;
                        double d;
                    } u;
                } di_struct_t;
                di_struct_t x = {0, { .d = 0.0}}; ],
               [AC_DEFINE([HAVE_C99_DESIGNATED_INITIALIZER], [1],
                         [Define if the compiler understands C99 designated initialization of structs and unions])
                 AC_MSG_RESULT([yes])],
               [AC_MSG_RESULT([no])])

## ----------------------------------------------------------------------
## Try to figure out how to print `long long'.  Some machines use `%lld'
## and others use `%qd'.  There may be more!  The final `l' is a
## default in case none of the others work.
##
AC_MSG_CHECKING([how to print long long])
AC_CACHE_VAL([hdf5_cv_printf_ll], [

for hdf5_cv_printf_ll in l ll L q unknown; do
   AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([
            #include <stdio.h>
            #include <stdlib.h>
            #include <string.h>
        ],[[
            char *s = malloc(128);
            long long x = (long long)1048576 * (long long)1048576;
            sprintf(s,"%${hdf5_cv_printf_ll}d",x);
            exit(strcmp(s,"1099511627776"));
        ]])]
   , [break],,[continue])
done])

AC_MSG_RESULT([%${hdf5_cv_printf_ll}d and %${hdf5_cv_printf_ll}u])
AC_DEFINE_UNQUOTED([PRINTF_LL_WIDTH], ["$hdf5_cv_printf_ll"],
                   [Width for printf() for type `long long' or `__int64', use `ll'])


## ----------------------------------------------------------------------
## Turn on debugging by setting compiler flags
## This must come after the enable-production since it depends on production.
##
AC_MSG_CHECKING([for debug flags])
AC_ARG_ENABLE([debug],
              [AS_HELP_STRING([--enable-debug=all],
                              [Turn on debugging in all packages. One may
                               also specify a comma-separated list of
                               package names without the leading H5 or
                               the word no. The default is most packages
			       if production is disabled; no if it is enabled.
                               ])],
              [DEBUG_PKG=$enableval])

## Default to no if producton is enabled
if test "X-$DEBUG_PKG" = X- ; then
    if test "$enable_production" = yes ; then
	DEBUG_PKG=no
    else
	DEBUG_PKG=yes
    fi
fi

AC_SUBST([DEBUG_PKG])
all_packages="ac,b,b2,d,e,f,g,hg,hl,i,mf,mm,o,p,s,t,v,z"
case "X-$DEBUG_PKG" in
  X-yes)
    DEBUG_PKG="d,e,f,g,hg,i,mm,o,p,s,t,v,z"
##    H5_CPPFLAGS="$H5_CPPFLAGS -UNDEBUG"
    AC_MSG_RESULT([default ($DEBUG_PKG)])
    ;;
  X-all)
    DEBUG_PKG=$all_packages
##    H5_CPPFLAGS="$H5_CPPFLAGS -UNDEBUG"
    AC_MSG_RESULT([all ($DEBUG_PKG)])
    ;;
  X-no|X-none)
    AC_MSG_RESULT([none])
    DEBUG_PKG=
##    H5_CPPFLAGS="$H5_CPPFLAGS -DNDEBUG"
    ;;
  *)
    AC_MSG_RESULT([$DEBUG_PKG])
    ;;
esac

if test -n "$DEBUG_PKG"; then
  for pkg in `echo $DEBUG_PKG | ${TR} ${as_cr_letters}"," ${as_cr_LETTERS}" "`; do
    H5_CPPFLAGS="$H5_CPPFLAGS -DH5${pkg}_DEBUG"
  done
fi

## ----------------------------------------------------------------------
## Check if they would like the function stack support compiled in
##
AC_MSG_CHECKING([whether function stack tracking is enabled])
AC_ARG_ENABLE([codestack],
              [AS_HELP_STRING([--enable-codestack],
                              [Enable the function stack tracing (for developer debugging).])],
              [CODESTACK=$enableval])

case "X-$CODESTACK" in
  X-yes)
      CODESTACK=yes
      AC_MSG_RESULT([yes])
      AC_DEFINE([HAVE_CODESTACK], [1],
                [Define if the function stack tracing code is to be compiled in])
    ;;
  *)
      CODESTACK=no
      AC_MSG_RESULT([no])
    ;;
esac

## ----------------------------------------------------------------------
## Check if they would like the metadata trace file code compiled in
##
AC_MSG_CHECKING([whether metadata trace file code is enabled])
AC_ARG_ENABLE([metadata-trace-file],
              [AS_HELP_STRING([--enable-metadata-trace-file],
                              [Enable metadata trace file collection.])],
              [METADATATRACEFILE=$enableval])

case "X-$METADATATRACEFILE" in
  X-yes)
      METADATATRACEFILE=yes
      AC_MSG_RESULT([yes])
      AC_DEFINE([METADATA_TRACE_FILE], [1],
                [Define if the metadata trace file code is to be compiled in])
    ;;
  *)
      METADATATRACEFILE=no
      AC_MSG_RESULT([no])
    ;;
esac

## ----------------------------------------------------------------------
## Enable tracing of the API
## This must come after the enable-debug since it depends on debug.
##
AC_SUBST([TRACE_API])
AC_MSG_CHECKING([for API tracing]);
AC_ARG_ENABLE([trace],
              [AS_HELP_STRING([--enable-trace],
                              [Enable API tracing capability. Default=no
                               if debug is disabled.])],
              [TRACE=$enableval])

## Default to no if debug is disabled
if test "X-$TRACE" = X- ; then
  if test -z "$DEBUG_PKG" ; then
    TRACE=no
  else
    TRACE=yes
  fi
fi

case "X-$TRACE" in
  X-yes)
    AC_MSG_RESULT([yes])
    TRACE_API=yes
    H5_CPPFLAGS="$H5_CPPFLAGS -DH5_DEBUG_API"
    ;;
  X-no|*)
    AC_MSG_RESULT([no])
    TRACE_API=no
    H5_CPPFLAGS="$H5_CPPFLAGS -UH5_DEBUG_API"
    ;;
esac

## ----------------------------------------------------------------------
## Enable instrumenting of the library's internal operations
## This must come after the enable-debug since it depends on debug.
##
AC_SUBST([INSTRUMENT_LIBRARY])
AC_MSG_CHECKING([for instrumented library]);
AC_ARG_ENABLE([instrument],
              [AS_HELP_STRING([--enable-instrument],
                              [Enable library instrumentation of optimization
                                tracing.  Default=no if debug is disabled.])],
              [INSTRUMENT=$enableval])

## Default to no if debug is disabled
if test "X-$INSTRUMENT" = X- ; then
  if test -z "$DEBUG_PKG" ; then
    INSTRUMENT=no
  else
    INSTRUMENT=yes
  fi
fi

case "X-$INSTRUMENT" in
  X-yes)
    AC_MSG_RESULT([yes])
    INSTRUMENT_LIBRARY=yes
    AC_DEFINE([HAVE_INSTRUMENTED_LIBRARY], [1],
              [Define if library will contain instrumentation to detect correct optimization operation])
    ;;
  X-no|*)
    AC_MSG_RESULT([no])
    INSTRUMENT_LIBRARY=no
    ;;
esac

## ----------------------------------------------------------------------
## Check if they would like to securely clear file buffers before they are
##     written.
##
AC_SUBST([CLEARFILEBUF])
AC_MSG_CHECKING([whether to clear file buffers])
AC_ARG_ENABLE([clear-file-buffers],
              [AS_HELP_STRING([--enable-clear-file-buffers],
                              [Securely clear file buffers before writing
                              to file.  Default=yes.])],
              [CLEARFILEBUF=$enableval])

case "X-$CLEARFILEBUF" in
  *)
      CLEARFILEBUF=yes
      AC_MSG_RESULT([yes])
      AC_DEFINE([CLEAR_MEMORY], [1],
                [Define if the memory buffers being written to disk should be
                cleared before writing.])
    ;;
  X-no)
      CLEARFILEBUF=no
      AC_MSG_RESULT([no])
    ;;
esac

## ----------------------------------------------------------------------
## Check if they would like to use a memory checking tool (like valgrind's
##     'memcheck' tool, or Rational Purify, etc) and the library should be
##     more scrupulous with it's memory operations.  Enabling this also
##     disables the library's free space manager code.
##
AC_SUBST([USINGMEMCHECKER])
AC_MSG_CHECKING([whether a memory checking tool will be used])
AC_ARG_ENABLE([using-memchecker],
              [AS_HELP_STRING([--enable-using-memchecker],
                              [Enable this option if a memory allocation and/or
                              bounds checking tool will be used on the HDF5
                              library.  Enabling this causes the library to be
                              more picky about it's memory operations and also
                              disables the library's free space manager code.
                              Default=no.])],
              [USINGMEMCHECKER=$enableval])

case "X-$USINGMEMCHECKER" in
  X-yes)
      USINGMEMCHECKER=yes
      AC_MSG_RESULT([yes])
      AC_DEFINE([USING_MEMCHECKER], [1],
                [Define if a memory checking tool will be used on the library,
                to cause library to be very picky about memory operations and
                also disable the internal free list manager code.])
    ;;
  *)
      USINGMEMCHECKER=no
      AC_MSG_RESULT([no])
    ;;
esac

## Checkpoint the cache
AC_CACHE_SAVE

## What header files and libraries do we have to look for for parallel
## support?  For the most part, search paths are already specified with
## CPPFLAGS and LDFLAGS or are known to the compiler.
##
AC_ARG_ENABLE([parallel],
              [AS_HELP_STRING([--enable-parallel],
                              [Search for MPI-IO and MPI support files])])

## The --enable-parallel flag is not compatible with --enable-cxx.
## If the user tried to specify both flags, throw an error, unless
## they also provided the --enable-unsupported flag.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${HDF_CXX}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then
    AC_MSG_ERROR([--enable-cxx and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

## --enable-parallel is also incompatible with --enable-threadsafe, unless
## --enable-unsupported has been specified on the configure line.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${THREADSAFE}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then
    AC_MSG_ERROR([--enable-threadsafe and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.])
  fi
fi

AC_MSG_CHECKING([for parallel support files])
case "X-$enable_parallel" in
  X-|X-no|X-none)
    ## We are not compiling for parallel.
    AC_MSG_RESULT([skipped])
    ;;

  X-yes)
    ## We want to compile a parallel library with a compiler that
    ## may already know how to link with MPI and MPI-IO.
    AC_MSG_RESULT([provided by compiler])
    PARALLEL=yes

    ## Try link a simple MPI program.
    AC_MSG_CHECKING([whether a simple MPI-IO C program can be linked])
    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <mpi.h>]],
                   [[ MPI_Init(0, (void *)0); 
		      MPI_File_open(0, (void *)0, 0, 0, (void *)0);]])], 
		   [AC_MSG_RESULT([yes])],
	  	   [AC_MSG_RESULT([no])
		    AC_MSG_ERROR([unable to link a simple MPI-IO C program])])

    if test "X$HDF_FORTRAN" = "Xyes"; then
      PAC_PROG_FC_MPI_CHECK
    fi

    ## Set RUNPARALLEL to mpiexec if not set yet.
    if test "X$PARALLEL" = "Xyes" -a -z "$RUNPARALLEL"; then
      RUNPARALLEL="mpiexec -n \$\${NPROCS:=6}"
    fi
    ;;

  *)
    AC_MSG_RESULT([error])
    AC_MSG_ERROR([\'$enable_parallel\' is not a valid parallel search type])
    ;;
esac

## ----------------------------------------------------------------------
## Print some other parallel information and do some sanity checks.
##
AC_SUBST([ADD_PARALLEL_FILES]) ADD_PARALLEL_FILES="no"

if test -n "$PARALLEL"; then
  ## The 'testpar' directory should participate in the build
  TESTPARALLEL=testpar

  ## We are building a parallel library
  AC_DEFINE([HAVE_PARALLEL], [1], [Define if we have parallel support])

  ## Display what we found about running programs
  AC_MSG_CHECKING([prefix for running on one processor])
  AC_MSG_RESULT([$RUNSERIAL])
  AC_MSG_CHECKING([prefix for running in parallel])
  AC_MSG_RESULT([$RUNPARALLEL])

  ## There *must* be some way to run in parallel even if it's just the
  ## word `none'.
  if test -z "$RUNPARALLEL"; then
    AC_MSG_ERROR([no way to run a parallel program])
  fi

  ## If RUNSERIAL or RUNPARALLEL is the word `none' then replace it with
  ## the empty string. This means that no launch commands were requested,
  ## so we will not use any launch commands.
  if test "X$RUNSERIAL" = "Xnone"; then
    RUNSERIAL=""
  fi
  if test "X$RUNPARALLEL" = "Xnone"; then
    RUNPARALLEL=""
  fi

  if test "X$HDF_FORTRAN" = "Xyes"; then
    ADD_PARALLEL_FILES="yes"
    AC_MSG_CHECKING([for MPI_Comm_c2f and MPI_Comm_f2c functions])

    AC_TRY_LINK([#include <mpi.h>],
      [MPI_Comm c_comm; MPI_Comm_c2f(c_comm)],
      AC_DEFINE([HAVE_MPI_MULTI_LANG_Comm], [1],
                [Define if `MPI_Comm_c2f' and `MPI_Comm_f2c' exists])
      AC_MSG_RESULT([yes]),
      AC_MSG_RESULT([no])
    )

    AC_MSG_CHECKING([for MPI_Info_c2f and MPI_Info_f2c functions])
    AC_TRY_LINK([#include <mpi.h>],
      [MPI_Info c_info; MPI_Info_c2f(c_info)],
      AC_DEFINE([HAVE_MPI_MULTI_LANG_Info], [1],
                [Define if `MPI_Info_c2f' and `MPI_Info_f2c' exists])
      AC_MSG_RESULT([yes]),
      AC_MSG_RESULT([no])
    )
  fi

  ## --------------------------------------------------------------------
  ## Do we want MPE instrumentation feature on?
  ##
  ## This must be done after enable-parallel is checked since it depends
  ## on a mpich compiler.
  ##
  MPE=yes
  AC_ARG_WITH([mpe],
              [AS_HELP_STRING([--with-mpe=DIR],
                              [Use MPE instrumentation [default=no]])],,
              [withval=no])

  case "X-$withval" in
    X-|X-no|X-none)
      AC_MSG_CHECKING([for MPE])
      AC_MSG_RESULT([suppressed])
      unset MPE
      ;;
    X-yes)
      AC_CHECK_HEADERS([mpe.h],, [unset MPE])
      AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE])
      ;;
    *)
      case "$withval" in
        *,*)
          mpe_inc="`echo $withval | cut -f1 -d,`"
          mpe_lib="`echo $withval | cut -f2 -d, -s`"
          ;;
        *)
          if test -n "$withval"; then
            mpe_inc="$withval/include"
            mpe_lib="$withval/lib"
          fi
          ;;
      esac

      if test -n "$mpe_inc"; then
        saved_CPPFLAGS="$CPPFLAGS"
        saved_AM_CPPFLAGS="$AM_CPPFLAGS"
        CPPFLAGS="$CPPFLAGS -I$mpe_inc"
        AM_CPPFLAGS="$AM_CPPFLAGS -I$mpe_inc"
        AC_CHECK_HEADERS([mpe.h],, [CPPFLAGS="$saved_CPPFLAGS"; AM_CPPFLAGS="$saved_AM_CPPFLAGS"; unset MPE])
      else
        AC_CHECK_HEADERS([mpe.h],, [unset MPE])
      fi

      if test -n "$mpe_lib"; then
        saved_LDFLAGS="$LDFLAGS"
        saved_AM_LDFLAGS="$AM_LDFLAGS"
        LDFLAGS="$LDFLAGS -L$mpe_lib"
        AM_LDFLAGS="$AM_LDFLAGS -L$mpe_lib"
        AC_CHECK_LIB([mpe], [MPE_Init_log],,
                     [LDFLAGS="$saved_LDFLAGS"; AM_LDFLAGS="$saved_AM_LDFLAGS"; unset MPE])
      else
        AC_CHECK_LIB([mpe], [MPE_Init_log],, [unset MPE])
      fi
      ;;
  esac

  if test "X-$MPE" = "X-yes"; then
    AC_DEFINE([HAVE_MPE], [1], [Define if we have MPE support])
  fi
fi

## ----------------------------------------------------------------------
## Check if Direct I/O driver is enabled by --enable-direct-vfd
##

## Check these regardless. If the checks are moved inside the main
## direct VFD block, the output is nested.

AC_CACHE_VAL([hdf5_cv_direct_io],
    AC_CHECK_DECL([O_DIRECT], [hdf5_cv_direct_io=yes], [hdf5_cv_direct_io=no], [[#include <fcntl.h>]]))
AC_CACHE_VAL([hdf5_cv_posix_memalign],
    AC_CHECK_FUNC([posix_memalign], [hdf5_cv_posix_memalign=yes], [hdf5_cv_posix_memalign=no]))

AC_MSG_CHECKING([if the direct I/O virtual file driver (VFD) is enabled])

AC_ARG_ENABLE([direct-vfd],
              [AS_HELP_STRING([--enable-direct-vfd],
                              [Build the direct I/O virtual file driver (VFD).
                               This is based on the POSIX (sec2) VFD and
                               requires the open() call to take the O_DIRECT
                               flag. [default=no]])],
              [DIRECT_VFD=$enableval], [DIRECT_VFD=no])

if test "X$DIRECT_VFD" = "Xyes"; then
    if test ${hdf5_cv_direct_io} = "yes" && test ${hdf5_cv_posix_memalign} = "yes" ; then
        AC_MSG_RESULT([yes])
        AC_DEFINE([HAVE_DIRECT], [1],
                [Define if the direct I/O virtual file driver (VFD) should be compiled])
    else
        AC_MSG_RESULT([no])
        DIRECT_VFD=no
        AC_MSG_ERROR([The direct VFD was requested but cannot be built. This is either
                     due to O_DIRECT not being found in fcntl.h or a lack of
                     posix_memalign() on your system. Please re-configure without
                     specifying --enable-direct-vfd.])
    fi
else
    AC_MSG_RESULT([no])
fi

AM_CONDITIONAL([DIRECT_VFD_CONDITIONAL], [test "X$DIRECT_VFD" = "Xyes"])

## ----------------------------------------------------------------------
## Enable custom plugin default path for library.  It requires SHARED support.
##
AC_MSG_CHECKING([for custom plugin default path definition])
AC_ARG_WITH([default-plugindir],
            [AS_HELP_STRING([--with-default-plugindir=location],
                            [Specify default location for plugins
                            [default="/usr/local/hdf5/lib/plugin"]])],,
            withval="/usr/local/hdf5/lib/plugin")

if test "X$withval" = "X"; then
    AC_MSG_RESULT([default])
    default_plugindir="/usr/local/hdf5/lib/plugin"
else
    AC_MSG_RESULT([$withval])
    default_plugindir=$withval
fi

AC_DEFINE_UNQUOTED([DEFAULT_PLUGINDIR], ["$default_plugindir"],
            [Define the default plugins path to compile])

## ----------------------------------------------------------------------
## Decide whether the presence of user's exception handling functions is
## checked and data conversion exceptions are returned.  This is mainly
## for the speed optimization of hard conversions.  Soft conversions can
## actually benefit little.
##
AC_MSG_CHECKING([whether exception handling functions is checked during data conversions])
AC_ARG_ENABLE([dconv-exception],
              [AS_HELP_STRING([--enable-dconv-exception],
                              [if exception handling functions is checked during
                              data conversions [default=yes]])],
              [DCONV_EXCEPTION=$enableval], [DCONV_EXCEPTION=yes])

if test "$DCONV_EXCEPTION" = "yes"; then
  AC_MSG_RESULT([yes])
  AC_DEFINE([WANT_DCONV_EXCEPTION], [1],
            [Check exception handling functions during data conversions])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Decide whether the data accuracy has higher priority during data
## conversions.  If not, some hard conversions will still be prefered even
## though the data may be wrong (for example, some compilers don't 
## support denormalized floating values) to maximize speed.
## 
AC_MSG_CHECKING([whether data accuracy is guaranteed during data conversions])
AC_ARG_ENABLE([dconv-accuracy],
              [AS_HELP_STRING([--enable-dconv-accuracy],
                              [if data accuracy is guaranteed during 
                              data conversions [default=yes]])],
              [DATA_ACCURACY=$enableval], [DATA_ACCURACY=yes])

if test "$DATA_ACCURACY" = "yes"; then
  AC_MSG_RESULT([yes])
  AC_DEFINE([WANT_DATA_ACCURACY], [1],
            [Data accuracy is prefered to speed during data conversions])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine has window style pathname,
## that is, "drive-letter:\" (e.g. "C:") or "drive-letter:/" (e.g. "C:/").
## (This flag should be _unset_ for all machines, except for Windows, where
## it's set in the custom Windows H5pubconf.h file)
##
AC_MSG_CHECKING([if the machine has window style path name])

case "`uname`" in
  MINGW*)
    AC_DEFINE([HAVE_WINDOW_PATH], [1],
              [Define if your system has window style path name.])
    AC_MSG_RESULT([yes])
    ;;
  *)
    AC_MSG_RESULT([no])
    ;;
esac

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine is using a special algorithm to convert
## 'long double' to '(unsigned) long' values.  (This flag should only be set for
## the IBM Power6 Linux.  When the bit sequence of long double is
## 0x4351ccf385ebc8a0bfcc2a3c3d855620, the converted value of (unsigned)long
## is 0x004733ce17af227f, not the same as the library's conversion to 0x004733ce17af2282.
## The machine's conversion gets the correct value.  We define the macro and disable
## this kind of test until we figure out what algorithm they use.
##
AC_MSG_CHECKING([if using special algorithm to convert long double to (unsigned) long values])

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_ldouble_to_long_special=${hdf5_cv_ldouble_to_long_special=no}
else
   AC_CACHE_VAL([hdf5_cv_ldouble_to_long_special],
        [AC_RUN_IFELSE(
            [AC_LANG_PROGRAM([
                #include <string.h>
            ],[[
                long double         ld = 20041683600089727.779961L;
                long                ll;
                unsigned long       ull;
                unsigned char       s[16];
                unsigned char       s2[8];
                int                 ret = 1;

                if(sizeof(long double) == 16 && sizeof(long) == 8) {
                    /*make sure the long double type has 16 bytes in size and
                     * 11 bits of exponent.  If it is,
                     *the bit sequence should be like below.  It's not
                     *a decent way to check but this info isn't available. */
                    memcpy(s, &ld, 16);
                    if(s[0]==0x43 && s[1]==0x51 && s[2]==0xcc && s[3]==0xf3 &&
                        s[4]==0x85 && s[5]==0xeb && s[6]==0xc8 && s[7]==0xa0 &&
                        s[8]==0xbf && s[9]==0xcc && s[10]==0x2a && s[11]==0x3c) {

                        /* Assign the hexadecimal value of long double type. */
                        s[0]=0x43; s[1]=0x51; s[2]=0xcc; s[3]=0xf3;
                        s[4]=0x85; s[5]=0xeb; s[6]=0xc8; s[7]=0xa0;
                        s[8]=0xbf; s[9]=0xcc; s[10]=0x2a; s[11]=0x3c;
                        s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20;

                        memcpy(&ld, s, 16);

                        ll = (long)ld;
                        memcpy(s2, &ll, 8);

                        /* The library's algorithm converts it to 0x 00 47 33 ce 17 af 22 82
                         * and gets wrong value 20041683600089730 on the IBM Power6 Linux.
                         * But the IBM Power6 Linux converts it to 0x00 47 33 ce 17 af 22 7f
                         * and gets the correct value 20041683600089727.  It uses some special
                         * algorithm.  We're going to define the macro and skip the test until
                         * we can figure out how they do it. */
                        if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce &&
                           s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f)
                            ret = 0;

                        ull = (unsigned long)ld;
                        memcpy(s2, &ull, 8);

                        /* The unsigned long is the same as signed long. */
                        if(s2[0]==0x00 && s2[1]==0x47 && s2[2]==0x33 && s2[3]==0xce &&
                           s2[4]==0x17 && s2[5]==0xaf && s2[6]==0x22 && s2[7]==0x7f)
                            ret = 0;
                    }
                }
                exit(ret);
        ]])]
    , [hdf5_cv_ldouble_to_long_special=yes], [hdf5_cv_ldouble_to_long_special=no],)])
fi

if test ${hdf5_cv_ldouble_to_long_special} = "yes"; then
  AC_DEFINE([LDOUBLE_TO_LONG_SPECIAL], [1],
            [Define if your system converts long double to (unsigned) long values with special algorithm.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine is using a special algorithm
## to convert some values of '(unsigned) long' to 'long double' values.
## (This flag should be off for all machines, except for IBM Power6 Linux,
## when the bit sequences are 003fff..., 007fff..., 00ffff..., 01ffff...,
## ..., 7fffff..., the compiler uses a unknown algorithm.  We define a
## macro and skip the test for now until we know about the algorithm.
##
AC_MSG_CHECKING([if using special algorithm to convert (unsigned) long to long double values])

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_long_to_ldouble_special=${hdf5_cv_long_to_ldouble_special=no}
else
   AC_CACHE_VAL([hdf5_cv_long_to_ldouble_special],
        [AC_RUN_IFELSE(
            [AC_LANG_PROGRAM([
                #include <string.h>
            ],[[
                long double         ld;
                long                ll;
                unsigned long       ull;
                unsigned char       s[16];
                int                 flag=0, ret=1;

                /*Determine if long double has 16 byte in size, 11 bit exponent, and
                 *the bias is 0x3ff */
                if(sizeof(long double) == 16) {
                    ld = 1.0L;
                    memcpy(s, &ld, 16);
                    if(s[0]==0x3f && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 &&
                        s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00)
                        flag = 1;
                }

                if(flag==1 && sizeof(long)==8) {
                    ll = 0x003fffffffffffffL;
                    ld = (long double)ll;
                    memcpy(s, &ld, 16);
                    /* The library converts the value to 0x434fffffffffffff8000000000000000.
                     * In decimal it is 18014398509481982.000000, one value short of the original.
                     * The IBM Power6 Linux converts it to 0x4350000000000000bff0000000000000.
                     * The value is correct in decimal. It uses some special
                     * algorithm.  We're going to define the macro and skip the test until
                     * we can figure out how they do it. */
                    if(s[0]==0x43 && s[1]==0x50 && s[2]==0x00 && s[3]==0x00 &&
                        s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 &&
                        s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 &&
                        s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00)
                        ret = 0;
                }
                if(flag==1 && sizeof(unsigned long)==8) {
                    ull = 0xffffffffffffffffUL;
                    ld = (long double)ull;
                    memcpy(s, &ld, 16);
                    /* Use a different value from signed long to test. The problem is the same
                     * for both long and unsigned long. The value is 18446744073709551615.
                     * The library converts the value to 0x43effffffffffffffe000000000000000.
                     * In decimal it's 18446744073709548544.000000, very different from the original.
                     * The IBM Power6 Linux converts it to 0x43f0000000000000bff0000000000000.
                     * The value is correct in decimal. It uses some special
                     * algorithm.  We're going to define the macro and skip the test until
                     * we can figure out how they do it. */
                    if(s[0]==0x43 && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 &&
                        s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00 &&
                        s[8]==0xbf && s[9]==0xf0 && s[10]==0x00 && s[11]==0x00 &&
                        s[12]==0x00 && s[13]==0x00 && s[14]==0x00 && s[15]==0x00)
                        ret = 0;
                }
                exit(ret);
        ]])]
    , [hdf5_cv_long_to_ldouble_special=yes], [hdf5_cv_long_to_ldouble_special=no],)])
fi

if test ${hdf5_cv_long_to_ldouble_special} = "yes"; then
  AC_DEFINE([LONG_TO_LDOUBLE_SPECIAL], [1],
            [Define if your system can convert (unsigned) long to long double values with special algorithm.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set the flag to indicate that the machine can accurately convert
## 'long double' to '(unsigned) long long' values.  (This flag should
## be set for all machines, except for Mac OS 10.4, SGI IRIX64 6.5 and
## Powerpc Linux using XL compilers.
## When the bit sequence of long double is 0x4351ccf385ebc8a0bfcc2a3c...,
## the values of (unsigned)long long start to go wrong on these
## two machines.  Adjusting it higher to 0x4351ccf385ebc8a0dfcc... or
## 0x4351ccf385ebc8a0ffcc... will make the converted values wildly wrong.
## This test detects this wrong behavior and disable the test.
##
AC_MSG_CHECKING([if correctly converting long double to (unsigned) long long values])

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_ldouble_to_llong_accurate=${hdf5_cv_ldouble_to_llong_accurate=no}
else
   AC_CACHE_VAL([hdf5_cv_ldouble_to_llong_accurate],
        [AC_TRY_RUN([
        int main(void)
        {
            long double         ld = 20041683600089727.779961L;
            long long           ll;
            unsigned long long  ull;
            unsigned char       s[16];
            int                 ret = 0;
            
            if(sizeof(long double) == 16) {
                /*make sure the long double type is the same as the failing type 
                 *which has 16 bytes in size and 11 bits of exponent.  If it is,
                 *the bit sequence should be like below.  It's not 
                 *a decent way to check but this info isn't available. */   
                memcpy(s, &ld, 16);
                if(s[0]==0x43 && s[1]==0x51 && s[2]==0xcc && s[3]==0xf3 &&
                    s[4]==0x85 && s[5]==0xeb && s[6]==0xc8 && s[7]==0xa0 &&
                    s[8]==0xbf && s[9]==0xcc && s[10]==0x2a && s[11]==0x3c) {

                    /*slightly adjust the bit sequence (s[8]=0xdf).  The converted
                     *values will go wild on Mac OS 10.4 and IRIX64 6.5.*/ 
                    s[0]=0x43; s[1]=0x51; s[2]=0xcc; s[3]=0xf3;
                    s[4]=0x85; s[5]=0xeb; s[6]=0xc8; s[7]=0xa0;
                    s[8]=0xdf; s[9]=0xcc; s[10]=0x2a; s[11]=0x3c;
                    s[12]=0x3d; s[13]=0x85; s[14]=0x56; s[15]=0x20;

                    memcpy(&ld, s, 16);
                    ll = (long long)ld;
                    ull = (unsigned long long)ld;
                    
                    if(ll != 20041683600089728 || ull != 20041683600089728)
                        ret = 1;
                }    
            }    
    done:
            exit(ret);
        }
        ], [hdf5_cv_ldouble_to_llong_accurate=yes], [hdf5_cv_ldouble_to_llong_accurate=no],)])
fi

if test ${hdf5_cv_ldouble_to_llong_accurate} = "yes"; then
  AC_DEFINE([LDOUBLE_TO_LLONG_ACCURATE], [1],
            [Define if your system can convert long double to (unsigned) long long values correctly.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi


## ----------------------------------------------------------------------
## Set the flag to indicate that the machine can accurately convert
## '(unsigned) long long' to 'long double' values.  (This flag should be
## set for all machines, except for Mac OS 10.4 and Powerpc Linux using
## XL compilers.
## When the bit sequences are 003fff..., 007fff..., 00ffff..., 01ffff...,
## ..., 7fffff..., the converted values are twice as big as they should be.
##
AC_MSG_CHECKING([if correctly converting (unsigned) long long to long double values])

if test ${ac_cv_sizeof_long_double} = 0; then
   hdf5_cv_llong_to_ldouble_correct=${hdf5_cv_llong_to_ldouble_correct=no}
else
   AC_CACHE_VAL([hdf5_cv_llong_to_ldouble_correct],
        [AC_TRY_RUN([
        int main(void)
        {
            long double         ld;
            long long           ll;
            unsigned long long  ull;
            unsigned char       s[16];
            int                 flag=0, ret=0;
        
            /*Determine if long double has 16 byte in size, 11 bit exponent, and
             *the bias is 0x3ff */ 
            if(sizeof(long double) == 16) { 
                ld = 1.0L;
                memcpy(s, &ld, 16);
                if(s[0]==0x3f && s[1]==0xf0 && s[2]==0x00 && s[3]==0x00 &&
                    s[4]==0x00 && s[5]==0x00 && s[6]==0x00 && s[7]==0x00) 
                    flag = 1; 
            }
             
            if(flag==1 && sizeof(long long)==8) {
                ll = 0x01ffffffffffffffLL;
                ld = (long double)ll;
                memcpy(s, &ld, 16);
                /*Check if the bit sequence is as supposed to be*/
                if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff ||
                    s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff ||
                    s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00)
                    ret = 1;
            }        
            if(flag==1 && sizeof(unsigned long long)==8) {
                ull = 0x01ffffffffffffffULL;
                ld = (long double)ull;
                memcpy(s, &ld, 16);
                if(s[0]!=0x43 || s[1]!=0x7f || s[2]!=0xff || s[3]!=0xff ||
                    s[4]!=0xff || s[5]!=0xff || s[6]!=0xff || s[7]!=0xff ||
                    s[8]!=0xf0 || s[9]!=0x00 || s[10]!=0x00 || s[11]!=0x00)
                    ret = 1;
            }        
    done:
            exit(ret);
        }
        ], [hdf5_cv_llong_to_ldouble_correct=yes], [hdf5_cv_llong_to_ldouble_correct=no],)])
fi

if test ${hdf5_cv_llong_to_ldouble_correct} = "yes"; then
  AC_DEFINE([LLONG_TO_LDOUBLE_CORRECT], [1],
            [Define if your system can convert (unsigned) long long to long double values correctly.])
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

## ----------------------------------------------------------------------
## Set some variables for general configuration information to be saved
## and installed with the libraries (used to generate libhdf5.settings).
##

## HDF5 version from the first line of the README.txt file.
H5_VERSION="`cut -d' ' -f3 $srcdir/README.txt | head -1`"
AC_SUBST([H5_VERSION])

## Configuration date
AC_SUBST([CONFIG_DATE]) CONFIG_DATE="`date`"

## User doing the configuration
AC_SUBST([CONFIG_USER]) CONFIG_USER="`whoami`@`hostname`"
if test -n "$ORGANIZATION"; then
  CONFIG_USER="$CONFIG_USER at $ORGANIZATION"
fi

## Configuration mode (production, development, profile, etc) saved above.
AC_SUBST([CONFIG_MODE])

## Byte sex from the AC_C_BIGENDIAN macro.
AC_SUBST([BYTESEX])
if test "X$ac_cv_c_bigendian" = "Xyes"; then
  BYTESEX="big-endian"
else
  BYTESEX="little-endian"
fi


if test "X$ac_cv_c_bigendian" = "Xyes"; then
  WORDS_BIGENDIAN="yes"
else
  WORDS_BIGENDIAN="no"
fi
AC_SUBST([WORDS_BIGENDIAN])

## Parallel support? (set above except empty if none)
PARALLEL=${PARALLEL:-no}

## Compiler with version information. This consists of the full path
## name of the compiler and the reported version number.
AC_SUBST([CC_VERSION])
## Strip anything that looks like a flag off of $CC
CC_NOFLAGS=`echo $CC | sed 's/ -.*//'`

if `echo $CC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
  CC_VERSION="$CC"
else
  CC_VERSION="$CC";
  for x in `echo $PATH | sed -e 's/:/ /g'`; do
    if test -x $x/$CC_NOFLAGS; then
      CC_VERSION="$x/$CC"
      break
    fi
  done
fi
if test -n "$cc_version_info"; then
  CC_VERSION="$CC_VERSION ( $cc_version_info)"
fi

AC_SUBST([FC_VERSION])
## Strip anything that looks like a flag off of $FC
FC_NOFLAGS=`echo $FC | sed 's/ -.*//'`

if `echo $FC_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
  FC_VERSION="$FC"
else
  FC_VERSION="$FC";
  for x in `echo $PATH | sed -e 's/:/ /g'`; do
    if test -x $x/$FC_NOFLAGS; then
      FC_VERSION="$x/$FC"
      break
    fi
  done
fi
if test -n "$fc_version_info"; then
  FC_VERSION="$FC_VERSION ( $fc_version_info)"
fi

AC_SUBST([CXX_VERSION])
## Strip anything that looks like a flag off of $CXX
CXX_NOFLAGS=`echo $CXX | sed 's/ -.*//'`

if `echo $CXX_NOFLAGS | grep ^/ >/dev/null 2>&1`; then
  CXX_VERSION="$CXX"
else
  CXX_VERSION="$FC";
  for x in `echo $PATH | sed -e 's/:/ /g'`; do
    if test -x $x/$CXX_NOFLAGS; then
      CXX_VERSION="$x/$CXX"
      break
    fi
  done
fi
if test -n "$cxx_version_info"; then
  CXX_VERSION="$CXX_VERSION ( $cxx_version_info)"
fi

## ----------------------------------------------------------------------
## Where is the root of the source tree. Give an absolute address so
## we can find it no matter which directory of the distribution is our
## current directory. The built-in pwd fails on some systems, but the
## /bin/pwd version works OK.
##
if test -x /bin/pwd; then
  pwd=/bin/pwd
else
  pwd=pwd
fi
AC_SUBST([ROOT]) ROOT="`$pwd`"

## ----------------------------------------------------------------------
## Some programs shouldn't be built by default (e.g., programs to generate
## data files used by tests, some optional tests).
## Check if they want such programs built anyway.
##
AC_MSG_CHECKING([additional programs should be built])
AC_ARG_ENABLE([build-all],
     [AS_HELP_STRING([--enable-build-all],
                     [Build helper programs that only developers should need [default=no]])],
     [BUILD_ALL=$enableval],
     [BUILD_ALL=no])

if test "X$BUILD_ALL" = "Xyes"; then
 echo "yes"
else
 echo "no"
fi
AM_CONDITIONAL([BUILD_ALL_CONDITIONAL], [test "X$BUILD_ALL" = "Xyes"])

## ----------------------------------------------------------------------
## Enable deprecated public API symbols
##
AC_SUBST([DEPRECATED_SYMBOLS])
AC_MSG_CHECKING([if deprecated public symbols are available]);
AC_ARG_ENABLE([deprecated-symbols],
              [AS_HELP_STRING([--enable-deprecated-symbols],
                     [Enable deprecated public API symbols [default=yes]])],
             [DEPREC_SYMBOLS=$enableval],
             [DEPREC_SYMBOLS=yes])

case "X-$DEPREC_SYMBOLS" in
  X-yes)
    AC_MSG_RESULT([yes])
    DEPRECATED_SYMBOLS=yes
    ;;
  X-no|*)
    AC_MSG_RESULT([no])
    DEPRECATED_SYMBOLS=no
    AC_DEFINE([NO_DEPRECATED_SYMBOLS], [1],
              [Define if deprecated public API symbols are disabled])
    ;;
esac

## --------------------------------------------------------------------------
## Which version of the public APIs should the 'base' versioned symbols use?
##

AC_SUBST([DEFAULT_API_VERSION])
AC_MSG_CHECKING([which version of public symbols to use by default])
AC_ARG_WITH([default-api-version],
            [AS_HELP_STRING([--with-default-api-version=(v16|v18|v110)],
                            [Specify default release version of public symbols
                             [default=v110]])],,
            [withval=v110])

if test "X$withval" = "Xv16"; then
    AC_MSG_RESULT([v16])
    DEFAULT_API_VERSION=v16
    AC_DEFINE([USE_16_API_DEFAULT], [1],
              [Define using v1.6 public API symbols by default])
elif test "X$withval" = "Xv18"; then
    AC_MSG_RESULT([v18])
    DEFAULT_API_VERSION=v18
elif test "X$withval" = "Xv110"; then
    AC_MSG_RESULT([v110])
    DEFAULT_API_VERSION=v110
else
    AC_MSG_ERROR([invalid version of public symbols given])
fi

## It's an error to try to disable deprecated public API symbols while
## choosing an older version of the public API as the default. However,
## if the user insists on doing this via the --enable-unsupported configure
## flag, we'll let them.
if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then
  if test "X${DEFAULT_API_VERSION}" != "Xv110" -a "X${DEPRECATED_SYMBOLS}" = "Xno" ; then
    AC_MSG_ERROR([Removing old public API symbols not allowed when using them as default public API symbols. Use --enable-unsupported to override this error.])
  fi
fi

## ----------------------------------------------------------------------
## Enable strict file format checks
##
AC_SUBST([STRICT_FORMAT_CHECKS])
AC_MSG_CHECKING([whether to perform strict file format checks]);
AC_ARG_ENABLE([strict-format-checks],
              [AS_HELP_STRING([--enable-strict-format-checks],
                     [Enable strict file format checks, default=yes if
                        debug flag is enabled, no otherwise])],
             [STRICT_CHECKS=$enableval])

## Default to yes if debug is enabled
if test "X-$STRICT_CHECKS" = X- ; then
  if test -z "$DEBUG_PKG" ; then
    STRICT_CHECKS=no
  else
    STRICT_CHECKS=yes
  fi
fi

case "X-$STRICT_CHECKS" in
  X-yes)
    AC_MSG_RESULT([yes])
    STRICT_FORMAT_CHECKS=yes
    AC_DEFINE([STRICT_FORMAT_CHECKS], [1],
              [Define if strict file format checks are enabled])
    ;;
  X-no|*)
    AC_MSG_RESULT([no])
    STRICT_FORMAT_CHECKS=no
    ;;
esac


## ----------------------------------------------------------------------
## Enable embedded library information
##
AC_MSG_CHECKING([whether to have library information embedded in the executables])
AC_ARG_ENABLE([embedded-libinfo],
    [AS_HELP_STRING([--enable-embedded-libinfo],
	[Enable embedded library information [default=yes]])],
	[enable_embedded_libinfo=$enableval],
	[enable_embedded_libinfo=yes])

   if test "${enable_embedded_libinfo}" = "yes"; then
      AC_MSG_RESULT([yes])
      AC_DEFINE([HAVE_EMBEDDED_LIBINFO], [1],
                [Define if library information should be embedded in the executables])
   else
      AC_MSG_RESULT([no])
    fi


## ----------------------------------------------------------------------
## Check if pointer alignments are enforced
##
AC_MSG_CHECKING([if alignment restrictions are strictly enforced])
AC_RUN_IFELSE([
    AC_LANG_PROGRAM([
        #include <stdlib.h>
        #include <string.h>

        typedef struct {
            size_t len;
            void *p;
        } hvl_t;
        ], [
        char *chp = "beefs";
        char **chpp = malloc (2 * sizeof (char *));
        char **chpp2;
        hvl_t vl = { 12345, (void *) chp };
        hvl_t *vlp;
        hvl_t *vlp2;

        memcpy ((void *) ((char *) chpp + 1), &chp, sizeof (char *));
        chpp2 = (char **) ((char *) chpp + 1);
        if (strcmp (*chpp2, chp)) {
            free (chpp);
            return 1;
        }
        free (chpp);

        vlp = malloc (2 * sizeof (hvl_t));
        memcpy ((void *) ((char *) vlp + 1), &vl, sizeof (hvl_t));
        vlp2 = (hvl_t *) ((char *) vlp + 1);
        if (vlp2->len != vl.len || vlp2->p != vl.p) {
            free (vlp);
            return 1;
        }
        free (vlp);
    ])
    ], [
    AC_DEFINE([NO_ALIGNMENT_RESTRICTIONS], [1], [Define if we can violate pointer alignment restrictions])
    AC_MSG_RESULT([no])
    ], [
    AC_MSG_RESULT([yes])
    ], [
    AC_MSG_RESULT([unknown, assuming yes])
    ])


## ----------------------------------------------------------------------
## Restore user's CFLAGS.
CFLAGS="$saved_user_CFLAGS"
FCFLAGS="$saved_user_FCFLAGS"
CXXFLAGS="$saved_user_CXXFLAGS"
CPPFLAGS="$saved_user_CPPFLAGS"
LDFLAGS="$saved_user_LDFLAGS"


## ----------------------------------------------------------------------
## Create automake conditionals to tell automake makefiles which directories
## need to be compiled

AM_CONDITIONAL([BUILD_CXX_CONDITIONAL], [test "X$HDF_CXX" = "Xyes"])
AM_CONDITIONAL([BUILD_PARALLEL_CONDITIONAL], [test -n "$TESTPARALLEL"])
AM_CONDITIONAL([BUILD_FORTRAN_CONDITIONAL], [test "X$HDF_FORTRAN" = "Xyes"])
AM_CONDITIONAL([BUILD_HDF5_HL_CONDITIONAL], [test "X$HDF5_HL" = "Xyes"])


## ----------------------------------------------------------------------
## Build the Makefiles.
##

## The directory search list
AC_SUBST([SEARCH]) SEARCH='$(srcdir) $(top_builddir)/src $(top_srcdir)/src'
export SEARCH

## Some cleanup stuff
rm -f conftest conftest.o conftest.c dummy.o *.mod

## Build config.status, touch the stamp files, and build all the Makefiles.
## The order is such that the first `make' does not need to update any
## configuration information. See config/commence.in for the order in which
## things need to be done.

## First the stamp1 file for H5config.h.in
mkdir ./config >/dev/null 2>&1
touch ./config/stamp1

## Then the config.status file (but not makefiles)
saved_no_create=$no_create
no_create=yes

PARALLEL_MAKE=""
FORTRAN_PARALLEL_MAKE=""

if test -n "$TESTPARALLEL"; then
  PARALLEL_MAKE="$TESTPARALLEL/Makefile"

  if test "X$HDF_FORTRAN" = "Xyes"; then
    FORTRAN_PARALLEL_MAKE=fortran/$TESTPARALLEL/Makefile
  fi
fi
LT_OUTPUT
no_create=$saved_no_create

## Then the stamp2 file for H5config.h
touch ./config/stamp2

## Finally the makefiles
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1

## Are we compiling static libraries, shared libraries, or both?  This
## is only used for the libhdf5.settings file. We can't just look at
## $enable_static and $enable_shared because if they're yes the ltconfig
## might have decided that one or the other is simply not possible.
## Therefore we have to ask the generated `libtool' shell script
## which 'features' it has enabled.
if (./libtool --features | grep '^enable shared libraries' > /dev/null); then
  enable_shared=yes
else
  enable_shared=no
fi

if (./libtool --features | grep '^enable static libraries' > /dev/null); then
  enable_static=yes
else
  enable_static=no
fi

if test "X$enable_static" = "Xyes" && test "X$enable_shared" = "Xyes"; then
  STATIC_SHARED="static, shared"
elif test "X$enable_static" = "Xyes"; then
  STATIC_SHARED="static"
elif test "X$enable_shared" = "Xyes"; then
  STATIC_SHARED="shared"
else
  STATIC_SHARED="none"
fi

## ----------------------------------------------------------------------
## Set a macro if shared library is enabled.
##
AM_CONDITIONAL([HAVE_SHARED_CONDITIONAL], [test "X$enable_shared" = "Xyes"])

AC_CONFIG_FILES([src/libhdf5.settings
                 Makefile
                 src/Makefile
                 test/Makefile
                 test/testcheck_version.sh
                 test/testerror.sh
                 test/H5srcdir_str.h
                 test/testlibinfo.sh
                 test/testlinks_env.sh
                 test/test_plugin.sh
                 testpar/Makefile
                 tools/Makefile
                 tools/h5dump/Makefile
                 tools/h5dump/testh5dump.sh
                 tools/h5dump/testh5dumppbits.sh
                 tools/h5dump/testh5dumpxml.sh
                 tools/h5ls/testh5ls.sh
                 tools/h5import/Makefile
                 tools/h5import/h5importtestutil.sh
                 tools/h5diff/Makefile
                 tools/h5diff/testh5diff.sh
                 tools/h5diff/testph5diff.sh
                 tools/h5jam/Makefile
                 tools/h5jam/testh5jam.sh
                 tools/h5repack/Makefile
                 tools/h5repack/h5repack.sh
                 tools/h5repack/h5repack_plugin.sh
                 tools/h5ls/Makefile
                 tools/h5copy/Makefile
                 tools/h5copy/testh5copy.sh
                 tools/lib/Makefile
                 tools/misc/Makefile
                 tools/misc/h5cc
                 tools/misc/testh5mkgrp.sh
                 tools/misc/testh5repart.sh
                 tools/h5stat/testh5stat.sh
                 tools/h5stat/Makefile
                 tools/perform/Makefile
                 examples/Makefile
                 examples/run-c-ex.sh
                 examples/testh5cc.sh
                 c++/Makefile
                 c++/src/Makefile
                 c++/src/h5c++
                 c++/test/Makefile
                 c++/test/H5srcdir_str.h
                 c++/examples/Makefile
                 c++/examples/run-c++-ex.sh
                 c++/examples/testh5c++.sh
                 fortran/Makefile
                 fortran/src/h5fc
                 fortran/src/Makefile
                 fortran/src/H5fort_type_defines.h
                 fortran/test/Makefile
                 fortran/testpar/Makefile
                 fortran/examples/Makefile
                 fortran/examples/run-fortran-ex.sh
                 fortran/examples/testh5fc.sh
                 hl/Makefile
                 hl/src/Makefile
                 hl/test/Makefile
                 hl/test/H5srcdir_str.h
                 hl/tools/Makefile
                 hl/tools/gif2h5/Makefile
                 hl/tools/gif2h5/h52giftest.sh
                 hl/examples/Makefile
                 hl/examples/run-hlc-ex.sh
                 hl/c++/Makefile
                 hl/c++/src/Makefile
                 hl/c++/test/Makefile
                 hl/c++/examples/Makefile
                 hl/c++/examples/run-hlc++-ex.sh
                 hl/fortran/Makefile
                 hl/fortran/src/Makefile
                 hl/fortran/test/Makefile
                 hl/fortran/examples/Makefile
                 hl/fortran/examples/run-hlfortran-ex.sh])

AC_OUTPUT

chmod 755 tools/misc/h5cc

if test "X$HDF_FORTRAN" = "Xyes"; then
  chmod 755 fortran/src/h5fc
fi

if test "X$HDF_CXX" = "Xyes"; then
  chmod 755 c++/src/h5c++
fi

## HDF5 configure code created by autotools with gcc 4.9.2 is adding problematic
## linker flags:  -l with no library name; -l <libname>, specifically gfortran or m.
## This sed script corrects "-l <libname>" first and then "-l " with no library name.
## If the order is not preserved, all instances of "-l " will be removed.
sed -e '/^postdeps/ s/-l \([a-zA-Z]\)/-l\1/g' -e '/^postdeps/ s/-l //g' -i libtool

## show the configure settings
cat src/libhdf5.settings