aboutsummaryrefslogtreecommitdiff
path: root/configure.ac
blob: 893e53c0c4e029d79be49efc2aeee354efe8e4ba (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
#***************************************************************************
#                                  _   _ ____  _
#  Project                     ___| | | |  _ \| |
#                             / __| | | | |_) | |
#                            | (__| |_| |  _ <| |___
#                             \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
#***************************************************************************
dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.57)

dnl We don't know the version number "statically" so we use a dash here
AC_INIT([curl], [-], [a suitable curl mailing list: http://curl.haxx.se/mail/])

CURL_OVERRIDE_AUTOCONF

dnl configure script copyright
AC_COPYRIGHT([Copyright (c) 1998 - 2010 Daniel Stenberg, <daniel@haxx.se>
This configure script may be copied, distributed and modified under the
terms of the curl license; see COPYING for more details])

AC_CONFIG_SRCDIR([lib/urldata.h])
AM_CONFIG_HEADER(lib/curl_config.h src/curl_config.h include/curl/curlbuild.h)
AM_MAINTAINER_MODE

CURL_CHECK_OPTION_DEBUG
CURL_CHECK_OPTION_OPTIMIZE
CURL_CHECK_OPTION_WARNINGS
CURL_CHECK_OPTION_WERROR
CURL_CHECK_OPTION_CURLDEBUG
CURL_CHECK_OPTION_ARES

CURL_CHECK_PATH_SEPARATOR_REQUIRED

#
# save the configure arguments
#
CONFIGURE_OPTIONS="\"$ac_configure_args\""
AC_SUBST(CONFIGURE_OPTIONS)

CURL_CFLAG_EXTRAS=""
if test X"$want_werror" = Xyes; then
  CURL_CFLAG_EXTRAS="-Werror"
fi
AC_SUBST(CURL_CFLAG_EXTRAS)

dnl SED is mandatory for configure process and libtool.
dnl Set it now, allowing it to be changed later.
if test -z "$SED"; then
  dnl allow it to be overridden
  AC_PATH_PROG([SED], [sed], [not_found],
    [$PATH:/usr/bin:/usr/local/bin])
  if test -z "$SED" || test "$SED" = "not_found"; then
    AC_MSG_ERROR([sed not found in PATH. Cannot continue without sed.])
  fi
fi
AC_SUBST([SED])

dnl GREP is mandatory for configure process and libtool.
dnl Set it now, allowing it to be changed later.
if test -z "$GREP"; then
  dnl allow it to be overridden
  AC_PATH_PROG([GREP], [grep], [not_found],
    [$PATH:/usr/bin:/usr/local/bin])
  if test -z "$GREP" || test "$GREP" = "not_found"; then
    AC_MSG_ERROR([grep not found in PATH. Cannot continue without grep.])
  fi
fi
AC_SUBST([GREP])

dnl EGREP is mandatory for configure process and libtool.
dnl Set it now, allowing it to be changed later.
if test -z "$EGREP"; then
  dnl allow it to be overridden
  if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1; then
    AC_MSG_CHECKING([for egrep])
    EGREP="$GREP -E"
    AC_MSG_RESULT([$EGREP])
  else
    AC_PATH_PROG([EGREP], [egrep], [not_found],
      [$PATH:/usr/bin:/usr/local/bin])
  fi
fi
if test -z "$EGREP" || test "$EGREP" = "not_found"; then
  AC_MSG_ERROR([egrep not found in PATH. Cannot continue without egrep.])
fi
AC_SUBST([EGREP])

dnl AR is mandatory for configure process and libtool.
dnl This is target dependent, so check it as a tool.
if test -z "$AR"; then
  dnl allow it to be overridden
  AC_PATH_TOOL([AR], [ar], [not_found],
    [$PATH:/usr/bin:/usr/local/bin])
  if test -z "$AR" || test "$AR" = "not_found"; then
    AC_MSG_ERROR([ar not found in PATH. Cannot continue without ar.])
  fi
fi
AC_SUBST([AR])

AC_SUBST(libext)

dnl Remove non-configure distributed curlbuild.h
if test -f ${srcdir}/include/curl/curlbuild.h; then
  rm -f ${srcdir}/include/curl/curlbuild.h
fi

dnl figure out the libcurl version
VERSION=`$SED -ne 's/^#define LIBCURL_VERSION "\(.*\)"/\1/p' ${srcdir}/include/curl/curlver.h`
AM_INIT_AUTOMAKE(curl,$VERSION)
AC_MSG_CHECKING([curl version])
AC_MSG_RESULT($VERSION)

dnl
dnl we extract the numerical version for curl-config only
VERSIONNUM=`$SED -ne 's/^#define LIBCURL_VERSION_NUM 0x\(.*\)/\1/p' ${srcdir}/include/curl/curlver.h`
AC_SUBST(VERSIONNUM)

dnl Solaris pkgadd support definitions
PKGADD_PKG="HAXXcurl"
PKGADD_NAME="cURL - a client that groks URLs"
PKGADD_VENDOR="curl.haxx.se"
AC_SUBST(PKGADD_PKG)
AC_SUBST(PKGADD_NAME)
AC_SUBST(PKGADD_VENDOR)

dnl
dnl initialize all the info variables
    curl_ssl_msg="no      (--with-{ssl,gnutls,nss,polarssl} )"
    curl_ssh_msg="no      (--with-libssh2)"
   curl_zlib_msg="no      (--with-zlib)"
   curl_krb4_msg="no      (--with-krb4*)"
    curl_gss_msg="no      (--with-gssapi)"
 curl_spnego_msg="no      (--with-spnego)"
    curl_res_msg="default (--enable-ares / --enable-threaded-resolver)"
   curl_ipv6_msg="no      (--enable-ipv6)"
    curl_idn_msg="no      (--with-libidn)"
 curl_manual_msg="no      (--enable-manual)"
curl_verbose_msg="enabled (--disable-verbose)"
   curl_sspi_msg="no      (--enable-sspi)"
   curl_ldap_msg="no      (--enable-ldap / --with-ldap-lib / --with-lber-lib)"
  curl_ldaps_msg="no      (--enable-ldaps)"
   curl_rtsp_msg="no      (--enable-rtsp)"
   curl_rtmp_msg="no      (--with-librtmp)"

dnl
dnl Save anything in $LIBS for later
dnl
ALL_LIBS=$LIBS

dnl
dnl Detect the canonical host and target build environment
dnl

AC_CANONICAL_HOST
dnl Get system canonical name
AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS])

dnl Checks for programs.
CURL_CHECK_PROG_CC

dnl Our curl_off_t internal and external configure settings
CURL_CONFIGURE_CURL_OFF_T

dnl This defines _ALL_SOURCE for AIX
CURL_CHECK_AIX_ALL_SOURCE

dnl Our configure and build reentrant settings
CURL_CONFIGURE_THREAD_SAFE
CURL_CONFIGURE_REENTRANT

dnl check for how to do large files
AC_SYS_LARGEFILE

dnl support building of Windows DLLs
AC_LIBTOOL_WIN32_DLL

dnl force libtool to build static libraries with PIC on AMD64-Linux & FreeBSD
AC_MSG_CHECKING([if arch-OS host is AMD64-Linux/FreeBSD (to build static libraries with PIC)])
case $host in
  x86_64*linux*|amd64*freebsd*|ia64*freebsd*)
    AC_MSG_RESULT([yes])
    with_pic=yes
    ;;
  *)
    AC_MSG_RESULT([no])
    ;;
esac

AC_MSG_CHECKING([if compiler is icc (to build with PIC)])
case $CC in
  icc | */icc)
    AC_MSG_RESULT([yes])
    with_pic=yes
    ;;
  *)
    AC_MSG_RESULT([no])
    ;;
esac

dnl libtool setup
AC_PROG_LIBTOOL

AC_MSG_CHECKING([if we need -mimpure-text])
mimpure=no
case $host in
  *-*-solaris2*)
    if test "$GCC" = "yes"; then
      mimpure="yes"
    fi
    ;;
  *)
    ;;
esac
AC_MSG_RESULT($mimpure)
AM_CONDITIONAL(MIMPURE, test x$mimpure = xyes)

dnl 'STATICLIB' is, in spite of its name, not generic but only for static-only
dnl builds on Windows
AM_CONDITIONAL(STATICLIB, false)

AC_MSG_CHECKING([if we need BUILDING_LIBCURL])
case $host in
  *-*-mingw*)
    AC_DEFINE(BUILDING_LIBCURL, 1, [when building libcurl itself])
    AC_MSG_RESULT(yes)
    AC_MSG_CHECKING([if we need CURL_STATICLIB])
    if test "X$enable_shared" = "Xno"
    then
      AC_DEFINE(CURL_STATICLIB, 1, [when not building a shared library])
      AC_MSG_RESULT(yes)
      AM_CONDITIONAL(STATICLIB, true)
    else
      AC_MSG_RESULT(no)
    fi
    ;;
  *)
    AC_MSG_RESULT(no)
    ;;
esac

# Determine whether all dependent libraries must be specified when linking
if test "X$enable_shared" = "Xyes" -a "X$link_all_deplibs" = "Xno"
then
    REQUIRE_LIB_DEPS=no
else
    REQUIRE_LIB_DEPS=yes
fi
AC_SUBST(REQUIRE_LIB_DEPS)

dnl The install stuff has already been taken care of by the automake stuff
dnl AC_PROG_INSTALL
AC_PROG_MAKE_SET

dnl check if there's a way to force code inline
AC_C_INLINE

dnl **********************************************************************
dnl platform/compiler/architecture specific checks/flags
dnl **********************************************************************

CURL_CHECK_COMPILER
CURL_SET_COMPILER_BASIC_OPTS
CURL_SET_COMPILER_DEBUG_OPTS
CURL_SET_COMPILER_OPTIMIZE_OPTS
CURL_SET_COMPILER_WARNING_OPTS

if test "$compiler_id" = "INTEL_UNIX_C"; then
  #
  if test "$compiler_num" -ge "1000"; then
    dnl icc 10.X or later
    CFLAGS="$CFLAGS -shared-intel"
  elif test "$compiler_num" -ge "900"; then
    dnl icc 9.X specific
    CFLAGS="$CFLAGS -i-dynamic"
  fi
  #
fi

CURL_CHECK_COMPILER_HALT_ON_ERROR
CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE

CURL_CHECK_NO_UNDEFINED
AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes)

CURL_CHECK_CURLDEBUG
AM_CONDITIONAL(CURLDEBUG, test x$want_curldebug = xyes)

dnl **********************************************************************
dnl Compilation based checks should not be done before this point.
dnl **********************************************************************

dnl **********************************************************************
dnl Make sure that our checks for headers windows.h winsock.h winsock2.h
dnl and ws2tcpip.h take precedence over any other further checks which
dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for
dnl this specific header files. And do them before its results are used.
dnl **********************************************************************

CURL_CHECK_HEADER_WINDOWS
CURL_CHECK_NATIVE_WINDOWS
case X-"$ac_cv_native_windows" in
  X-yes)
    CURL_CHECK_HEADER_WINSOCK
    CURL_CHECK_HEADER_WINSOCK2
    CURL_CHECK_HEADER_WS2TCPIP
    CURL_CHECK_HEADER_WINLDAP
    CURL_CHECK_HEADER_WINBER
    ;;
  *)
    ac_cv_header_winsock_h="no"
    ac_cv_header_winsock2_h="no"
    ac_cv_header_ws2tcpip_h="no"
    ac_cv_header_winldap_h="no"
    ac_cv_header_winber_h="no"
    ;;
esac
CURL_CHECK_WIN32_LARGEFILE

dnl ************************************************************
dnl switch off particular protocols
dnl
AC_MSG_CHECKING([whether to support http])
AC_ARG_ENABLE(http,
AC_HELP_STRING([--enable-http],[Enable HTTP support])
AC_HELP_STRING([--disable-http],[Disable HTTP support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_HTTP, 1, [to disable HTTP])
       AC_MSG_WARN([disable HTTP disables FTP over proxy and RTSP])
       AC_SUBST(CURL_DISABLE_HTTP, [1])
       AC_DEFINE(CURL_DISABLE_RTSP, 1, [to disable RTSP])
       AC_SUBST(CURL_DISABLE_RTSP, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support ftp])
AC_ARG_ENABLE(ftp,
AC_HELP_STRING([--enable-ftp],[Enable FTP support])
AC_HELP_STRING([--disable-ftp],[Disable FTP support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_FTP, 1, [to disable FTP])
       AC_SUBST(CURL_DISABLE_FTP, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support file])
AC_ARG_ENABLE(file,
AC_HELP_STRING([--enable-file],[Enable FILE support])
AC_HELP_STRING([--disable-file],[Disable FILE support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_FILE, 1, [to disable FILE])
       AC_SUBST(CURL_DISABLE_FILE, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support ldap])
AC_ARG_ENABLE(ldap,
AC_HELP_STRING([--enable-ldap],[Enable LDAP support])
AC_HELP_STRING([--disable-ldap],[Disable LDAP support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
       AC_SUBST(CURL_DISABLE_LDAP, [1])
       ;;
  *)
       AC_MSG_RESULT(yes)
       ;;
  esac ],[
       AC_MSG_RESULT(yes) ]
)
AC_MSG_CHECKING([whether to support ldaps])
AC_ARG_ENABLE(ldaps,
AC_HELP_STRING([--enable-ldaps],[Enable LDAPS support])
AC_HELP_STRING([--disable-ldaps],[Disable LDAPS support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
       AC_SUBST(CURL_DISABLE_LDAPS, [1])
       ;;
  *)   if test "x$CURL_DISABLE_LDAP" = "x1" ; then
         AC_MSG_RESULT(LDAP needs to be enabled to support LDAPS)
         AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
         AC_SUBST(CURL_DISABLE_LDAPS, [1])
       else
         AC_MSG_RESULT(yes)
         AC_DEFINE(HAVE_LDAP_SSL, 1, [Use LDAPS implementation])
         AC_SUBST(HAVE_LDAP_SSL, [1])
       fi
       ;;
  esac ],[
       if test "x$CURL_DISABLE_LDAP" = "x1" ; then
         AC_MSG_RESULT(no)
         AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
         AC_SUBST(CURL_DISABLE_LDAPS, [1])
       else
         AC_MSG_RESULT(yes)
         AC_DEFINE(HAVE_LDAP_SSL, 1, [Use LDAPS implementation])
         AC_SUBST(HAVE_LDAP_SSL, [1])
       fi ]
)

AC_MSG_CHECKING([whether to support rtsp])
AC_ARG_ENABLE(rtsp,
AC_HELP_STRING([--enable-rtsp],[Enable RTSP support])
AC_HELP_STRING([--disable-rtsp],[Disable RTSP support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_RTSP, 1, [to disable RTSP])
       AC_SUBST(CURL_DISABLE_RTSP, [1])
       ;;
  *)   if test x$CURL_DISABLE_HTTP = x1 ; then
          AC_MSG_ERROR(HTTP support needs to be enabled in order to enable RTSP support!)
       else
          AC_MSG_RESULT(yes)
          curl_rtsp_msg="enabled"
       fi
       ;;
  esac ],
       if test "x$CURL_DISABLE_HTTP" != "x1"; then
          AC_MSG_RESULT(yes)
          curl_rtsp_msg="enabled"
       else
          AC_MSG_RESULT(no)
       fi
)

AC_MSG_CHECKING([whether to support proxies])
AC_ARG_ENABLE(proxy,
AC_HELP_STRING([--enable-proxy],[Enable proxy support])
AC_HELP_STRING([--disable-proxy],[Disable proxy support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_PROXY, 1, [to disable proxies])
       AC_SUBST(CURL_DISABLE_PROXY, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

AC_MSG_CHECKING([whether to support dict])
AC_ARG_ENABLE(dict,
AC_HELP_STRING([--enable-dict],[Enable DICT support])
AC_HELP_STRING([--disable-dict],[Disable DICT support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_DICT, 1, [to disable DICT])
       AC_SUBST(CURL_DISABLE_DICT, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support telnet])
AC_ARG_ENABLE(telnet,
AC_HELP_STRING([--enable-telnet],[Enable TELNET support])
AC_HELP_STRING([--disable-telnet],[Disable TELNET support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_TELNET, 1, [to disable TELNET])
       AC_SUBST(CURL_DISABLE_TELNET, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support tftp])
AC_ARG_ENABLE(tftp,
AC_HELP_STRING([--enable-tftp],[Enable TFTP support])
AC_HELP_STRING([--disable-tftp],[Disable TFTP support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_TFTP, 1, [to disable TFTP])
       AC_SUBST(CURL_DISABLE_TFTP, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

AC_MSG_CHECKING([whether to support pop3])
AC_ARG_ENABLE(pop3,
AC_HELP_STRING([--enable-pop3],[Enable POP3 support])
AC_HELP_STRING([--disable-pop3],[Disable POP3 support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_POP3, 1, [to disable POP3])
       AC_SUBST(CURL_DISABLE_POP3, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)


AC_MSG_CHECKING([whether to support imap])
AC_ARG_ENABLE(imap,
AC_HELP_STRING([--enable-imap],[Enable IMAP support])
AC_HELP_STRING([--disable-imap],[Disable IMAP support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_IMAP, 1, [to disable IMAP])
       AC_SUBST(CURL_DISABLE_IMAP, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)


AC_MSG_CHECKING([whether to support smtp])
AC_ARG_ENABLE(smtp,
AC_HELP_STRING([--enable-smtp],[Enable SMTP support])
AC_HELP_STRING([--disable-smtp],[Disable SMTP support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_SMTP, 1, [to disable SMTP])
       AC_SUBST(CURL_DISABLE_SMTP, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

AC_MSG_CHECKING([whether to support gopher])
AC_ARG_ENABLE(gopher,
AC_HELP_STRING([--enable-gopher],[Enable Gopher support])
AC_HELP_STRING([--disable-gopher],[Disable Gopher support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_GOPHER, 1, [to disable Gopher])
       AC_SUBST(CURL_DISABLE_GOPHER, [1])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)


dnl **********************************************************************
dnl Check for built-in manual
dnl **********************************************************************

AC_MSG_CHECKING([whether to provide built-in manual])
AC_ARG_ENABLE(manual,
AC_HELP_STRING([--enable-manual],[Enable built-in manual])
AC_HELP_STRING([--disable-manual],[Disable built-in manual]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       ;;
  *)   AC_MSG_RESULT(yes)
       USE_MANUAL="1"
       ;;
  esac ],
       AC_MSG_RESULT(yes)
       USE_MANUAL="1"
)
dnl The actual use of the USE_MANUAL variable is done much later in this
dnl script to allow other actions to disable it as well.

dnl **********************************************************************
dnl Checks for libraries.
dnl **********************************************************************

CURL_CHECK_LIB_XNET

dnl gethostbyname without lib or in the nsl lib?
AC_CHECK_FUNC(gethostbyname,
              [HAVE_GETHOSTBYNAME="1"
              ],
              [ AC_CHECK_LIB(nsl, gethostbyname,
                             [HAVE_GETHOSTBYNAME="1"
                             LIBS="$LIBS -lnsl"
                             ])
              ])

if test "$HAVE_GETHOSTBYNAME" != "1"
then
  dnl gethostbyname in the socket lib?
  AC_CHECK_LIB(socket, gethostbyname,
               [HAVE_GETHOSTBYNAME="1"
               LIBS="$LIBS -lsocket"
               ])
fi

dnl At least one system has been identified to require BOTH nsl and socket
dnl libs at the same time to link properly.
if test "$HAVE_GETHOSTBYNAME" != "1"
then
  AC_MSG_CHECKING([for gethostbyname with both nsl and socket libs])
  my_ac_save_LIBS=$LIBS
  LIBS="-lnsl -lsocket $LIBS"
  AC_LINK_IFELSE([
    AC_LANG_PROGRAM([[
    ]],[[
      gethostbyname();
    ]])
  ],[
    AC_MSG_RESULT([yes])
    HAVE_GETHOSTBYNAME="1"
  ],[
    AC_MSG_RESULT([no])
    LIBS=$my_ac_save_LIBS
  ])
fi

if test "$HAVE_GETHOSTBYNAME" != "1"
then
  dnl This is for winsock systems
  if test "$ac_cv_header_windows_h" = "yes"; then
    if test "$ac_cv_header_winsock_h" = "yes"; then
      case $host in
        *-*-mingw32ce*)
          winsock_LIB="-lwinsock"
          ;;
        *)
          winsock_LIB="-lwsock32"
          ;;
      esac
    fi
    if test "$ac_cv_header_winsock2_h" = "yes"; then
      winsock_LIB="-lws2_32"
    fi
    if test ! -z "$winsock_LIB"; then
      my_ac_save_LIBS=$LIBS
      LIBS="$winsock_LIB $LIBS"
      AC_MSG_CHECKING([for gethostbyname in $winsock_LIB])
      AC_LINK_IFELSE([
        AC_LANG_PROGRAM([[
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#endif
        ]],[[
          gethostbyname("www.dummysite.com");
        ]])
      ],[
        AC_MSG_RESULT([yes])
        HAVE_GETHOSTBYNAME="1"
      ],[
        AC_MSG_RESULT([no])
        winsock_LIB=""
        LIBS=$my_ac_save_LIBS
      ])
    fi
  fi
fi

if test "$HAVE_GETHOSTBYNAME" != "1"
then
  dnl This is for Minix 3.1
  AC_MSG_CHECKING([for gethostbyname for Minix 3])
  AC_LINK_IFELSE([
    AC_LANG_PROGRAM([[
/* Older Minix versions may need <net/gen/netdb.h> here instead */
#include <netdb.h>
    ]],[[
      gethostbyname("www.dummysite.com");
    ]])
  ],[
    AC_MSG_RESULT([yes])
    HAVE_GETHOSTBYNAME="1"
  ],[
    AC_MSG_RESULT([no])
  ])
fi

if test "$HAVE_GETHOSTBYNAME" != "1"
then
  dnl This is for eCos with a stubbed DNS implementation
  AC_MSG_CHECKING([for gethostbyname for eCos])
  AC_LINK_IFELSE([
    AC_LANG_PROGRAM([[
#include <stdio.h>
#include <netdb.h>
    ]],[[
      gethostbyname("www.dummysite.com");
    ]])
  ],[
    AC_MSG_RESULT([yes])
    HAVE_GETHOSTBYNAME="1"
  ],[
    AC_MSG_RESULT([no])
  ])
fi

if test "$HAVE_GETHOSTBYNAME" != "1"
then
  dnl gethostbyname in the network lib - for Haiku OS
  AC_CHECK_LIB(network, gethostbyname,
               [HAVE_GETHOSTBYNAME="1"
               LIBS="$LIBS -lnetwork"
               ])
fi

if test "$HAVE_GETHOSTBYNAME" != "1"
then
  dnl gethostbyname in the net lib - for BeOS
  AC_CHECK_LIB(net, gethostbyname,
               [HAVE_GETHOSTBYNAME="1"
               LIBS="$LIBS -lnet"
               ])
fi


if test "$HAVE_GETHOSTBYNAME" != "1"; then
  AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
fi

dnl resolve lib?
AC_CHECK_FUNC(strcasecmp, , [ AC_CHECK_LIB(resolve, strcasecmp) ])

if test "$ac_cv_lib_resolve_strcasecmp" = "$ac_cv_func_strcasecmp"; then
  AC_CHECK_LIB(resolve, strcasecmp,
              [LIBS="-lresolve $LIBS"],
               ,
               -lnsl)
fi
ac_cv_func_strcasecmp="no"

CURL_CHECK_LIBS_CONNECT

CURL_NETWORK_LIBS=$LIBS

dnl **********************************************************************
dnl In case that function clock_gettime with monotonic timer is available,
dnl check for additional required libraries.
dnl **********************************************************************
CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC

dnl **********************************************************************
dnl The preceding library checks are all potentially useful for test
dnl servers (for providing networking support).  Save the list of required
dnl libraries at this point for use while linking those test servers.
dnl **********************************************************************
TEST_SERVER_LIBS=$LIBS

dnl **********************************************************************
AC_MSG_CHECKING([whether to use libgcc])
AC_ARG_ENABLE(libgcc,
AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]),
[ case "$enableval" in
  yes)
        ALL_LIBS="$ALL_LIBS -lgcc"
       AC_MSG_RESULT(yes)
       ;;
  *)   AC_MSG_RESULT(no)
       ;;
  esac ],
       AC_MSG_RESULT(no)
)

dnl **********************************************************************
dnl Check for LDAP
dnl **********************************************************************

LDAPLIBNAME=""
AC_ARG_WITH(ldap-lib,
AC_HELP_STRING([--with-ldap-lib=libname],[Specify name of ldap lib file]),
 [LDAPLIBNAME="$withval"])

LBERLIBNAME=""
AC_ARG_WITH(lber-lib,
AC_HELP_STRING([--with-lber-lib=libname],[Specify name of lber lib file]),
 [LBERLIBNAME="$withval"])

if test x$CURL_DISABLE_LDAP != x1 ; then

  CURL_CHECK_HEADER_LBER
  CURL_CHECK_HEADER_LDAP
  CURL_CHECK_HEADER_LDAPSSL
  CURL_CHECK_HEADER_LDAP_SSL

  if test -z "$LDAPLIBNAME" ; then
    if test "$ac_cv_native_windows" = "yes"; then
      dnl Windows uses a single and unique LDAP library name
      LDAPLIBNAME="wldap32"
      LBERLIBNAME="no"
    fi
  fi

  if test "$LDAPLIBNAME" ; then
    AC_CHECK_LIB("$LDAPLIBNAME", ldap_init,, [
      AC_MSG_WARN(["$LDAPLIBNAME" is not an LDAP library: LDAP disabled])
      AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
      AC_SUBST(CURL_DISABLE_LDAP, [1])])
      AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
      AC_SUBST(CURL_DISABLE_LDAPS, [1])
  else
    dnl Try to find the right ldap libraries for this system
    CURL_CHECK_LIBS_LDAP
    case X-"$curl_cv_ldap_LIBS" in
      X-unknown)
        AC_MSG_WARN([Cannot find libraries for LDAP support: LDAP disabled])
        AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
        AC_SUBST(CURL_DISABLE_LDAP, [1])
        AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
        AC_SUBST(CURL_DISABLE_LDAPS, [1])
        ;;
    esac
  fi
fi

if test x$CURL_DISABLE_LDAP != x1 ; then

  if test "$LBERLIBNAME" ; then
    dnl If name is "no" then don't define this library at all
    dnl (it's only needed if libldap.so's dependencies are broken).
    if test "$LBERLIBNAME" != "no" ; then
      AC_CHECK_LIB("$LBERLIBNAME", ber_free,, [
        AC_MSG_WARN(["$LBERLIBNAME" is not an LBER library: LDAP disabled])
        AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
        AC_SUBST(CURL_DISABLE_LDAP, [1])])
        AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
        AC_SUBST(CURL_DISABLE_LDAPS, [1])
    fi
  fi
fi

if test x$CURL_DISABLE_LDAP != x1 ; then
  AC_CHECK_FUNCS([ldap_url_parse ldap_init_fd])

  if test "$LDAPLIBNAME" = "wldap32"; then
    curl_ldap_msg="enabled (winldap)"
    AC_DEFINE(CURL_LDAP_WIN, 1, [Use Windows LDAP implementation])
  else
    curl_ldap_msg="enabled (OpenLDAP)"
    if test "x$ac_cv_func_ldap_init_fd" = "xyes"; then
      AC_DEFINE(USE_OPENLDAP, 1, [Use OpenLDAP-specific code])
      AC_SUBST(USE_OPENLDAP, [1])
    fi
  fi
fi

if test x$CURL_DISABLE_LDAPS != x1 ; then
    curl_ldaps_msg="enabled"
fi

dnl **********************************************************************
dnl Checks for IPv6
dnl **********************************************************************

AC_MSG_CHECKING([whether to enable ipv6])
AC_ARG_ENABLE(ipv6,
AC_HELP_STRING([--enable-ipv6],[Enable ipv6 (with ipv4) support])
AC_HELP_STRING([--disable-ipv6],[Disable ipv6 support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       ipv6=no
       ;;
  *)   AC_MSG_RESULT(yes)
       ipv6=yes
       ;;
  esac ],

  AC_TRY_RUN([ /* is AF_INET6 available? */
#include <sys/types.h>
#include <sys/socket.h>
main()
{
 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
   exit(1);
 else
   exit(0);
}
],
  AC_MSG_RESULT(yes)
  ipv6=yes,
  AC_MSG_RESULT(no)
  ipv6=no,
  AC_MSG_RESULT(no)
  ipv6=no
))

if test "$ipv6" = "yes"; then
  curl_ipv6_msg="enabled"
fi

# Check if struct sockaddr_in6 have sin6_scope_id member
if test "$ipv6" = yes; then
  AC_MSG_CHECKING([if struct sockaddr_in6 has sin6_scope_id member])
  AC_TRY_COMPILE([
#include <sys/types.h>
#include <netinet/in.h>] ,
  struct sockaddr_in6 s; s.sin6_scope_id = 0; , have_sin6_scope_id=yes)
  if test "$have_sin6_scope_id" = yes; then
    AC_MSG_RESULT([yes])
    AC_DEFINE(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID, 1, [Define to 1 if struct sockaddr_in6 has the sin6_scope_id member])
  else
    AC_MSG_RESULT([no])
  fi
fi

dnl **********************************************************************
dnl Check if the operating system allows programs to write to their own argv[]
dnl **********************************************************************

AC_MSG_CHECKING([if argv can be written to])
AC_CACHE_VAL(curl_cv_writable_argv, [
AC_RUN_IFELSE([[
int main(int argc, char ** argv) {
        argv[0][0] = ' ';
        return (argv[0][0] == ' ')?0:1;
}
        ]],
        curl_cv_writable_argv=yes,
        curl_cv_writable_argv=no,
        curl_cv_writable_argv=cross)
])
case $curl_cv_writable_argv in
yes)
        AC_DEFINE(HAVE_WRITABLE_ARGV, 1, [Define this symbol if your OS supports changing the contents of argv])
        AC_MSG_RESULT(yes)
        ;;
no)
        AC_MSG_RESULT(no)
        ;;
*)
        AC_MSG_RESULT(no)
        AC_MSG_WARN([the previous check could not be made default was used])
        ;;
esac

dnl **********************************************************************
dnl Check for the presence of Kerberos4 libraries and headers
dnl **********************************************************************

AC_ARG_WITH(krb4-includes,
AC_HELP_STRING([--with-krb4-includes=DIR],
               [Specify location of kerberos4 headers]),[
 CPPFLAGS="$CPPFLAGS -I$withval"
 KRB4INC="$withval"
 want_krb4=yes
 ])

AC_ARG_WITH(krb4-libs,
AC_HELP_STRING([--with-krb4-libs=DIR],[Specify location of kerberos4 libs]),[
 LDFLAGS="$LDFLAGS -L$withval"
 KRB4LIB="$withval"
 want_krb4=yes
 ])


OPT_KRB4=off
AC_ARG_WITH(krb4,dnl
AC_HELP_STRING([--with-krb4=DIR],[where to look for Kerberos4]),[
  OPT_KRB4="$withval"
  if test X"$OPT_KRB4" != Xno; then
    want_krb4="yes"
    if test X"$OPT_KRB4" != Xyes; then
      LDFLAGS="$LDFLAGS -L$OPT_KRB4/lib$libsuff"
      KRB4LIB="$OPT_KRB4/lib$libsuff"
      CPPFLAGS="$CPPFLAGS -I$OPT_KRB4/include"
      KRB4INC="$OPT_KRB4/include"
    fi
  fi
 ])

AC_MSG_CHECKING([if Kerberos4 support is requested])

if test "$want_krb4" = yes
then
  if test "$ipv6" = "yes"; then
    echo krb4 is not compatible with IPv6
    exit 1
  fi
  AC_MSG_RESULT(yes)

  dnl Check for & handle argument to --with-krb4

  AC_MSG_CHECKING(where to look for Kerberos4)
  if test X"$OPT_KRB4" = Xyes
  then
    AC_MSG_RESULT([defaults])
  else
    AC_MSG_RESULT([libs in $KRB4LIB, headers in $KRB4INC])
  fi

  dnl Check for DES library
  AC_CHECK_LIB(des, des_pcbc_encrypt,
  [
    AC_CHECK_HEADERS(des.h)

    dnl resolv lib?
    AC_CHECK_FUNC(res_search, , [AC_CHECK_LIB(resolv, res_search)])

    dnl Check for the Kerberos4 library
    AC_CHECK_LIB(krb, krb_net_read,
    [
      dnl Check for header files
      AC_CHECK_HEADERS(krb.h)

      dnl we found the required libraries, add to LIBS
      LIBS="-lkrb -lcom_err -ldes $LIBS"

      dnl Check for function krb_get_our_ip_for_realm
      dnl this is needed for NAT networks
      AC_CHECK_FUNCS(krb_get_our_ip_for_realm)

      dnl add define KRB4
      AC_DEFINE(HAVE_KRB4, 1,
      [if you have the Kerberos4 libraries (including -ldes)])

      dnl substitute it too!
      KRB4_ENABLED=1
      AC_SUBST(KRB4_ENABLED)

      curl_krb4_msg="enabled"

      dnl the krb4 stuff needs a strlcpy()
      AC_CHECK_FUNCS(strlcpy)

    ])
  ])
else
  AC_MSG_RESULT(no)
fi

dnl **********************************************************************
dnl Check for FBopenssl(SPNEGO) libraries
dnl **********************************************************************

AC_ARG_WITH(spnego,
  AC_HELP_STRING([--with-spnego=DIR],
                 [Specify location of SPNEGO library fbopenssl]), [
  SPNEGO_ROOT="$withval"
  if test x"$SPNEGO_ROOT" != xno; then
    want_spnego="yes"
  fi
])

AC_MSG_CHECKING([if SPNEGO support is requested])
if test x"$want_spnego" = xyes; then

  if test X"$SPNEGO_ROOT" = Xyes; then
     AC_MSG_ERROR([FBOpenSSL libs and/or directories were not found where specified!])
     AC_MSG_RESULT(no)
  else
     if test -z "$SPNEGO_LIB_DIR"; then
        LDFLAGS="$LDFLAGS -L$SPNEGO_ROOT -lfbopenssl"
     else
        LDFLAGS="$LDFLAGS $SPNEGO_LIB_DIR"
     fi

     AC_MSG_RESULT(yes)
     AC_DEFINE(HAVE_SPNEGO, 1,
               [Define this if you have the SPNEGO library fbopenssl])
     curl_spnego_msg="enabled"
  fi
else
  AC_MSG_RESULT(no)
fi

dnl **********************************************************************
dnl Check for GSS-API libraries
dnl **********************************************************************

dnl check for gss stuff in the /usr as default

GSSAPI_ROOT="/usr"
AC_ARG_WITH(gssapi-includes,
  AC_HELP_STRING([--with-gssapi-includes=DIR],
                 [Specify location of GSSAPI header]),
  [ GSSAPI_INCS="-I$withval"
    want_gss="yes" ]
)

AC_ARG_WITH(gssapi-libs,
  AC_HELP_STRING([--with-gssapi-libs=DIR],
                 [Specify location of GSSAPI libs]),
  [ GSSAPI_LIB_DIR="-L$withval"
    want_gss="yes" ]
)

AC_ARG_WITH(gssapi,
  AC_HELP_STRING([--with-gssapi=DIR],
                 [Where to look for GSSAPI]), [
  GSSAPI_ROOT="$withval"
  if test x"$GSSAPI_ROOT" != xno; then
    want_gss="yes"
    if test x"$GSSAPI_ROOT" = xyes; then
      dnl if yes, then use default root
      GSSAPI_ROOT="/usr"
    fi
  fi
])

save_CPPFLAGS="$CPPFLAGS"
AC_MSG_CHECKING([if GSSAPI support is requested])
if test x"$want_gss" = xyes; then
  AC_MSG_RESULT(yes)

  if test -z "$GSSAPI_INCS"; then
     if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
        GSSAPI_INCS=`$GSSAPI_ROOT/bin/krb5-config --cflags gssapi`
     elif test "$GSSAPI_ROOT" != "yes"; then
        GSSAPI_INCS="-I$GSSAPI_ROOT/include"
     fi
  fi

  CPPFLAGS="$CPPFLAGS $GSSAPI_INCS"

  AC_CHECK_HEADER(gss.h,
    [
      dnl found in the given dirs
      AC_DEFINE(HAVE_GSSGNU, 1, [if you have the GNU gssapi libraries])
      gnu_gss=yes
    ],
    [
      dnl not found, check Heimdal or MIT
      AC_CHECK_HEADERS([gssapi/gssapi.h], [], [not_mit=1])
      AC_CHECK_HEADERS(
        [gssapi/gssapi_generic.h gssapi/gssapi_krb5.h],
        [],
        [not_mit=1],
        [
AC_INCLUDES_DEFAULT
#ifdef HAVE_GSSAPI_GSSAPI_H
#include <gssapi/gssapi.h>
#endif
        ])
      if test "x$not_mit" = "x1"; then
        dnl MIT not found, check for Heimdal
        AC_CHECK_HEADER(gssapi.h,
            [
              dnl found
              AC_DEFINE(HAVE_GSSHEIMDAL, 1, [if you have the Heimdal gssapi libraries])
            ],
            [
              dnl no header found, disabling GSS
              want_gss=no
              AC_MSG_WARN(disabling GSSAPI since no header files was found)
            ]
          )
      else
        dnl MIT found
        AC_DEFINE(HAVE_GSSMIT, 1, [if you have the MIT gssapi libraries])
        dnl check if we have a really old MIT kerberos (<= 1.2)
        AC_MSG_CHECKING([if gssapi headers declare GSS_C_NT_HOSTBASED_SERVICE])
        AC_COMPILE_IFELSE([
          AC_LANG_PROGRAM([[
#include <gssapi/gssapi.h>
#include <gssapi/gssapi_generic.h>
#include <gssapi/gssapi_krb5.h>
          ]],[[
            gss_import_name(
                            (OM_uint32 *)0,
                            (gss_buffer_t)0,
                            GSS_C_NT_HOSTBASED_SERVICE,
                            (gss_name_t *)0);
          ]])
        ],[
          AC_MSG_RESULT([yes])
        ],[
          AC_MSG_RESULT([no])
          AC_DEFINE(HAVE_OLD_GSSMIT, 1,
            [if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE])
        ])
      fi
    ]
  )
else
  AC_MSG_RESULT(no)
fi
if test x"$want_gss" = xyes; then
  AC_DEFINE(HAVE_GSSAPI, 1, [if you have the gssapi libraries])

  curl_gss_msg="enabled (MIT/Heimdal)"

  if test -n "$gnu_gss"; then
    curl_gss_msg="enabled (GNU GSS)"
    LDFLAGS="$LDFLAGS $GSSAPI_LIB_DIR"
    LIBS="$LIBS -lgss"
  elif test -z "$GSSAPI_LIB_DIR"; then
     case $host in
     *-*-darwin*)
        LIBS="$LIBS -lgssapi_krb5 -lresolv"
        ;;
     *)
        if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
           dnl krb5-config doesn't have --libs-only-L or similar, put everything
           dnl into LIBS
           gss_libs=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
           LIBS="$LIBS $gss_libs"
        elif test "$GSSAPI_ROOT" != "yes"; then
           LDFLAGS="$LDFLAGS -L$GSSAPI_ROOT/lib$libsuff"
           LIBS="$LIBS -lgssapi"
        else
           LIBS="$LIBS -lgssapi"
        fi
        ;;
     esac
  else
     LDFLAGS="$LDFLAGS $GSSAPI_LIB_DIR"
     LIBS="$LIBS -lgssapi"
  fi
else
  CPPFLAGS="$save_CPPFLAGS"
fi

dnl **********************************************************************
dnl Check for the presence of SSL libraries and headers
dnl **********************************************************************

dnl Default to compiler & linker defaults for SSL files & libraries.
OPT_SSL=off
dnl Default to no CA bundle
ca="no"
AC_ARG_WITH(ssl,dnl
AC_HELP_STRING([--with-ssl=PATH],[Where to look for OpenSSL, PATH points to the SSL installation (default: /usr/local/ssl); when possible, set the PKG_CONFIG_PATH environment variable instead of using this option])
AC_HELP_STRING([--without-ssl], [disable OpenSSL]),
  OPT_SSL=$withval)

if test X"$OPT_SSL" != Xno; then
  dnl backup the pre-ssl variables
  CLEANLDFLAGS="$LDFLAGS"
  CLEANCPPFLAGS="$CPPFLAGS"
  CLEANLIBS="$LIBS"

  case "$OPT_SSL" in
  yes)
    dnl --with-ssl (without path) used
    if test x$cross_compiling != xyes; then
      dnl only do pkg-config magic when not cross-compiling
      PKGTEST="yes"
    fi
    PREFIX_OPENSSL=/usr/local/ssl
    LIB_OPENSSL="$PREFIX_OPENSSL/lib$libsuff"
    ;;
  off)
    dnl no --with-ssl option given, just check default places
    if test x$cross_compiling != xyes; then
      dnl only do pkg-config magic when not cross-compiling
      PKGTEST="yes"
    fi
    PREFIX_OPENSSL=
    ;;
  *)
    dnl check the given --with-ssl spot
    PKGTEST="no"
    PREFIX_OPENSSL=$OPT_SSL

    dnl Try pkg-config even when cross-compiling.  Since we
    dnl specify PKG_CONFIG_LIBDIR we're only looking where
    dnl the user told us to look
    OPENSSL_PCDIR="$OPT_SSL/lib/pkgconfig"
    AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$OPENSSL_PCDIR"])
    if test -e "$OPENSSL_PCDIR/openssl.pc"; then
      PKGTEST="yes"
    fi

    dnl in case pkg-config comes up empty, use what we got
    dnl via --with-ssl
    LIB_OPENSSL="$PREFIX_OPENSSL/lib$libsuff"
    if test "$PREFIX_OPENSSL" != "/usr" ; then
      SSL_LDFLAGS="-L$LIB_OPENSSL"
      SSL_CPPFLAGS="-I$PREFIX_OPENSSL/include"
    fi
    SSL_CPPFLAGS="$SSL_CPPFLAGS -I$PREFIX_OPENSSL/include/openssl"
    ;;
  esac

  if test "$PKGTEST" = "yes"; then

    CURL_CHECK_PKGCONFIG(openssl, [$OPENSSL_PCDIR])

    if test "$PKGCONFIG" != "no" ; then
      SSL_LIBS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
        $PKGCONFIG --libs-only-l openssl 2>/dev/null`

      SSL_LDFLAGS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
        $PKGCONFIG --libs-only-L openssl 2>/dev/null`

      SSL_CPPFLAGS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
        $PKGCONFIG --cflags-only-I openssl 2>/dev/null`

      AC_MSG_NOTICE([pkg-config: SSL_LIBS: "$SSL_LIBS"])
      AC_MSG_NOTICE([pkg-config: SSL_LDFLAGS: "$SSL_LDFLAGS"])
      AC_MSG_NOTICE([pkg-config: SSL_CPPFLAGS: "$SSL_CPPFLAGS"])

      LIB_OPENSSL=`echo $SSL_LDFLAGS | sed -e 's/-L//g'`

      dnl use the values pkg-config reported.  This is here
      dnl instead of below with CPPFLAGS and LDFLAGS because we only
      dnl learn about this via pkg-config.  If we only have
      dnl the argument to --with-ssl we don't know what
      dnl additional libs may be necessary.  Hope that we
      dnl don't need any.
      LIBS="$LIBS $SSL_LIBS"
    fi
  fi

  dnl finally, set flags to use SSL
  CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS"
  LDFLAGS="$LDFLAGS $SSL_LDFLAGS"

  dnl This is for Msys/Mingw
  case $host in
    *-*-msys* | *-*-mingw*)
      AC_MSG_CHECKING([for gdi32])
      my_ac_save_LIBS=$LIBS
      LIBS="-lgdi32 $LIBS"
      AC_TRY_LINK([#include <windef.h>
                   #include <wingdi.h>],
                   [GdiFlush();],
                   [ dnl worked!
                   AC_MSG_RESULT([yes])],
                   [ dnl failed, restore LIBS
                   LIBS=$my_ac_save_LIBS
                   AC_MSG_RESULT(no)]
                  )
      ;;
  esac

  AC_CHECK_LIB(crypto, CRYPTO_lock,[
     HAVECRYPTO="yes"
     LIBS="-lcrypto $LIBS"
     ],[
     LDFLAGS="$CLEANLDFLAGS -L$LIB_OPENSSL"
     CPPFLAGS="$CLEANCPPFLAGS -I$PREFIX_OPENSSL/include/openssl -I$PREFIX_OPENSSL/include"
     AC_CHECK_LIB(crypto, CRYPTO_add_lock,[
       HAVECRYPTO="yes"
       LIBS="-lcrypto $LIBS"], [
       LDFLAGS="$CLEANLDFLAGS"
       CPPFLAGS="$CLEANCPPFLAGS"
       LIBS="$CLEANLIBS"
       ])
    ])


  if test X"$HAVECRYPTO" = X"yes"; then
    dnl This is only reasonable to do if crypto actually is there: check for
    dnl SSL libs NOTE: it is important to do this AFTER the crypto lib

    AC_CHECK_LIB(ssl, SSL_connect)

    if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
        dnl we didn't find the SSL lib, try the RSAglue/rsaref stuff
        AC_MSG_CHECKING(for ssl with RSAglue/rsaref libs in use);
        OLIBS=$LIBS
        LIBS="$LIBS -lRSAglue -lrsaref"
        AC_CHECK_LIB(ssl, SSL_connect)
        if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
            dnl still no SSL_connect
            AC_MSG_RESULT(no)
            LIBS=$OLIBS
        else
            AC_MSG_RESULT(yes)
        fi

    else

      dnl Have the libraries--check for SSLeay/OpenSSL headers
      AC_CHECK_HEADERS(openssl/x509.h openssl/rsa.h openssl/crypto.h \
                       openssl/pem.h openssl/ssl.h openssl/err.h,
        curl_ssl_msg="enabled (OpenSSL)"
        OPENSSL_ENABLED=1
        AC_DEFINE(USE_OPENSSL, 1, [if OpenSSL is in use]))

      if test $ac_cv_header_openssl_x509_h = no; then
        dnl we don't use the "action" part of the AC_CHECK_HEADERS macro
        dnl since 'err.h' might in fact find a krb4 header with the same
        dnl name
        AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h)

        if test $ac_cv_header_x509_h = yes &&
           test $ac_cv_header_crypto_h = yes &&
           test $ac_cv_header_ssl_h = yes; then
          dnl three matches
          curl_ssl_msg="enabled (OpenSSL)"
          OPENSSL_ENABLED=1
        fi
      fi
    fi

    if test X"$OPENSSL_ENABLED" = X"1"; then
       AC_DEFINE(USE_SSLEAY, 1, [if SSL is enabled])

       dnl is there a pkcs12.h header present?
       AC_CHECK_HEADERS(openssl/pkcs12.h)
    else
       LIBS="$CLEANLIBS"
    fi
    dnl USE_SSLEAY is the historical name for what configure calls
    dnl OPENSSL_ENABLED; the names should really be unified
    USE_SSLEAY="$OPENSSL_ENABLED"
    AC_SUBST(USE_SSLEAY)

    if test X"$OPT_SSL" != Xoff &&
       test "$OPENSSL_ENABLED" != "1"; then
      AC_MSG_ERROR([OpenSSL libs and/or directories were not found where specified!])
    fi
  fi

  if test X"$OPENSSL_ENABLED" = X"1"; then
    dnl If the ENGINE library seems to be around, check for the OpenSSL engine
    dnl stuff, it is kind of "separated" from the main SSL check
    AC_CHECK_FUNC(ENGINE_init,
              [
                AC_CHECK_HEADERS(openssl/engine.h)
                AC_CHECK_FUNCS( ENGINE_load_builtin_engines )
              ])

    dnl these can only exist if openssl exists
    dnl yassl doesn't have SSL_get_shutdown

    AC_CHECK_FUNCS( RAND_status \
                    RAND_screen \
                    RAND_egd \
                    ENGINE_cleanup \
                    CRYPTO_cleanup_all_ex_data \
                    SSL_get_shutdown )

    dnl Make an attempt to detect if this is actually yassl's headers and
    dnl OpenSSL emulation layer. We still leave everything else believing
    dnl and acting like OpenSSL.

    AC_MSG_CHECKING([for yaSSL using OpenSSL compatibility mode])
    AC_COMPILE_IFELSE([
      AC_LANG_PROGRAM([[
#include <openssl/ssl.h>
      ]],[[
#if defined(YASSL_VERSION) && defined(OPENSSL_VERSION_NUMBER)
        int dummy = SSL_ERROR_NONE;
#else
        Not the yaSSL OpenSSL compatibility header.
#endif
      ]])
    ],[
      AC_MSG_RESULT([yes])
      AC_DEFINE_UNQUOTED(USE_YASSLEMUL, 1,
        [Define to 1 if using yaSSL in OpenSSL compatibility mode.])
      curl_ssl_msg="enabled (OpenSSL emulation by yaSSL)"
    ],[
      AC_MSG_RESULT([no])
    ])
  fi

  if test "$OPENSSL_ENABLED" = "1"; then
    if test -n "$LIB_OPENSSL"; then
       dnl when the ssl shared libs were found in a path that the run-time
       dnl linker doesn't search through, we need to add it to LD_LIBRARY_PATH
       dnl to prevent further configure tests to fail due to this

       LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$LIB_OPENSSL"
       export LD_LIBRARY_PATH
       AC_MSG_NOTICE([Added $LIB_OPENSSL to LD_LIBRARY_PATH])
    fi
  fi

fi

dnl **********************************************************************
dnl Check for the presence of ZLIB libraries and headers
dnl **********************************************************************

dnl Check for & handle argument to --with-zlib.

_cppflags=$CPPFLAGS
_ldflags=$LDFLAGS
AC_ARG_WITH(zlib,
AC_HELP_STRING([--with-zlib=PATH],[search for zlib in PATH])
AC_HELP_STRING([--without-zlib],[disable use of zlib]),
               [OPT_ZLIB="$withval"])

if test "$OPT_ZLIB" = "no" ; then
    AC_MSG_WARN([zlib disabled])
else
  if test "$OPT_ZLIB" = "yes" ; then
     OPT_ZLIB=""
  fi

  if test -z "$OPT_ZLIB" ; then
    dnl check for the lib first without setting any new path, since many
    dnl people have it in the default path

    AC_CHECK_LIB(z, inflateEnd,
                   dnl libz found, set the variable
                   [HAVE_LIBZ="1"],
                   dnl if no lib found, try /usr/local
                   [OPT_ZLIB="/usr/local"])

  fi

  dnl Add a nonempty path to the compiler flags
  if test -n "$OPT_ZLIB"; then
     CPPFLAGS="$CPPFLAGS -I$OPT_ZLIB/include"
     LDFLAGS="$LDFLAGS -L$OPT_ZLIB/lib$libsuff"
  fi

  AC_CHECK_HEADER(zlib.h,
    [
    dnl zlib.h was found
    HAVE_ZLIB_H="1"
    dnl if the lib wasn't found already, try again with the new paths
    if test "$HAVE_LIBZ" != "1"; then
      AC_CHECK_LIB(z, gzread,
                   [
                   dnl the lib was found!
                   HAVE_LIBZ="1"
                   ],
                   [ CPPFLAGS=$_cppflags
                   LDFLAGS=$_ldflags])
    fi
    ],
    [
      dnl zlib.h was not found, restore the flags
      CPPFLAGS=$_cppflags
      LDFLAGS=$_ldflags]
    )

  if test "$HAVE_LIBZ" = "1" && test "$HAVE_ZLIB_H" != "1"
  then
    AC_MSG_WARN([configure found only the libz lib, not the header file!])
    HAVE_LIBZ=""
  elif test "$HAVE_LIBZ" != "1" && test "$HAVE_ZLIB_H" = "1"
  then
    AC_MSG_WARN([configure found only the libz header file, not the lib!])
  elif test "$HAVE_LIBZ" = "1" && test "$HAVE_ZLIB_H" = "1"
  then
    dnl both header and lib were found!
    AC_SUBST(HAVE_LIBZ)
    AC_DEFINE(HAVE_ZLIB_H, 1, [if you have the zlib.h header file])
    AC_DEFINE(HAVE_LIBZ, 1, [if zlib is available])

    CURL_LIBS="$CURL_LIBS -lz"
    LIBS="$LIBS -lz"

    dnl replace 'HAVE_LIBZ' in the automake makefile.ams
    AMFIXLIB="1"
    AC_MSG_NOTICE([found both libz and libz.h header])
    curl_zlib_msg="enabled"
  fi
fi

dnl set variable for use in automakefile(s)
AM_CONDITIONAL(HAVE_LIBZ, test x"$AMFIXLIB" = x1)

dnl **********************************************************************
dnl Check for the random seed preferences
dnl **********************************************************************

if test X"$OPENSSL_ENABLED" = X"1"; then
  AC_ARG_WITH(egd-socket,
  AC_HELP_STRING([--with-egd-socket=FILE],
                 [Entropy Gathering Daemon socket pathname]),
      [ EGD_SOCKET="$withval" ]
  )
  if test -n "$EGD_SOCKET" ; then
          AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET",
          [your Entropy Gathering Daemon socket pathname] )
  fi

  dnl Check for user-specified random device
  AC_ARG_WITH(random,
  AC_HELP_STRING([--with-random=FILE],
                 [read randomness from FILE (default=/dev/urandom)]),
      [ RANDOM_FILE="$withval" ],
      [
          dnl Check for random device
          AC_CHECK_FILE("/dev/urandom", [ RANDOM_FILE="/dev/urandom"] )
      ]
  )
  if test -n "$RANDOM_FILE" && test X"$RANDOM_FILE" != Xno ; then
          AC_SUBST(RANDOM_FILE)
          AC_DEFINE_UNQUOTED(RANDOM_FILE, "$RANDOM_FILE",
          [a suitable file to read random data from])
  fi
fi

dnl ----------------------------------------------------
dnl check for GnuTLS
dnl ----------------------------------------------------

dnl Default to compiler & linker defaults for GnuTLS files & libraries.
OPT_GNUTLS=no

AC_ARG_WITH(gnutls,dnl
AC_HELP_STRING([--with-gnutls=PATH],[where to look for GnuTLS, PATH points to the installation root (default: /usr/local/)])
AC_HELP_STRING([--without-gnutls], [disable GnuTLS detection]),
  OPT_GNUTLS=$withval)

if test "$OPENSSL_ENABLED" != "1"; then

  if test X"$OPT_GNUTLS" != Xno; then

    addld=""
    if test "x$OPT_GNUTLS" = "xyes"; then
      dnl this is with no partiular path given
      CURL_CHECK_PKGCONFIG(gnutls)

      if test "$PKGCONFIG" != "no" ; then
        addlib=`$PKGCONFIG --libs-only-l gnutls`
        addld=`$PKGCONFIG --libs-only-L gnutls`
        addcflags=`$PKGCONFIG --cflags-only-I gnutls`
        version=`$PKGCONFIG --modversion gnutls`
        gtlslib=`echo $addld | $SED -e 's/-L//'`
      else
        dnl without pkg-config, we try libgnutls-config as that was how it
        dnl used to be done
        check=`libgnutls-config --version 2>/dev/null`
        if test -n "$check"; then
          addlib=`libgnutls-config --libs`
          addcflags=`libgnutls-config --cflags`
          version=`libgnutls-config --version`
          gtlslib=`libgnutls-config --prefix`/lib$libsuff
        fi
      fi
    else
      dnl this is with a given path, first check if there's a libgnutls-config
      dnl there and if not, make an educated guess
      cfg=$OPT_GNUTLS/bin/libgnutls-config
      check=`$cfg --version 2>/dev/null`
      if test -n "$check"; then
        addlib=`$cfg --libs`
        addcflags=`$cfg --cflags`
        version=`$cfg --version`
        gtlslib=`$cfg --prefix`/lib$libsuff
      else
        dnl without pkg-config and libgnutls-config, we guess a lot!
        addlib=-lgnutls
        addld=-L$OPT_GNUTLS/lib$libsuff
        addcflags=-I$OPT_GNUTLS/include
        version="" # we just don't know
        gtlslib=$OPT_GNUTLS/lib$libsuff
      fi
    fi

    if test -z "$version"; then
      dnl lots of efforts, still no go
      version="unknown"
    fi

    if test -n "$addlib"; then

      CLEANLIBS="$LIBS"
      CLEANCPPFLAGS="$CPPFLAGS"
      CLEADLDFLAGS="$LDFLAGS"

      LIBS="$LIBS $addlib"
      LDFLAGS="$LDFLAGS $addld"
      if test "$addcflags" != "-I/usr/include"; then
         CPPFLAGS="$CPPFLAGS $addcflags"
      fi

      AC_CHECK_LIB(gnutls, gnutls_check_version,
       [
       AC_DEFINE(USE_GNUTLS, 1, [if GnuTLS is enabled])
       AC_SUBST(USE_GNUTLS, [1])
       GNUTLS_ENABLED=1
       USE_GNUTLS="yes"
       curl_ssl_msg="enabled (GnuTLS)"
       ],
       [
         LIBS="$CLEANLIBS"
         CPPFLAGS="$CLEANCPPFLAGS"
       ])

      if test "x$USE_GNUTLS" = "xyes"; then
        AC_MSG_NOTICE([detected GnuTLS version $version])

        if test -n "$gtlslib"; then
          dnl when shared libs were found in a path that the run-time
          dnl linker doesn't search through, we need to add it to
          dnl LD_LIBRARY_PATH to prevent further configure tests to fail
          dnl due to this

          LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$gtlslib"
          export LD_LIBRARY_PATH
          AC_MSG_NOTICE([Added $gtlslib to LD_LIBRARY_PATH])
        fi
      fi

    fi

  fi dnl GNUTLS not disabled

fi dnl OPENSSL != 1

dnl ---
dnl If GnuTLS is enabled, we MUST verify that it uses libgcrypt since
dnl curl code relies on that but recent GnuTLS versions can in fact build
dnl with different crypto libraries which curl right now cannot handle
dnl ---

if test "$GNUTLS_ENABLED" = "1"; then
  AC_CHECK_LIB(gcrypt,
               gcry_control, ,
    [
      AC_MSG_ERROR([need GnuTLS built with gcrypt to function with GnuTLS])
    ])
fi

dnl ----------------------------------------------------
dnl check for PolarSSL
dnl ----------------------------------------------------

dnl Default to compiler & linker defaults for PolarSSL files & libraries.
OPT_POLARSSL=no

_cppflags=$CPPFLAGS
_ldflags=$LDFLAGS
AC_ARG_WITH(polarssl,dnl
AC_HELP_STRING([--with-polarssl=PATH],[where to look for PolarSSL, PATH points to the installation root (default: /usr/local/)])
AC_HELP_STRING([--without-polarssl], [disable PolarSSL detection]),
  OPT_POLARSSL=$withval)

if test "$OPENSSL_ENABLED" != "1"; then

  if test X"$OPT_POLARSSL" != Xno; then

    if test "$OPT_POLARSSL" = "yes"; then
      OPT_POLARSSL=""
    fi

    if test -z "$OPT_POLARSSL" ; then
      dnl check for lib first without setting any new path

      AC_CHECK_LIB(polarssl, havege_init,
      dnl libpolarssl found, set the variable
       [
         AC_DEFINE(USE_POLARSSL, 1, [if PolarSSL is enabled])
         AC_SUBST(USE_POLARSSL, [1])
         POLARSSL_ENABLED=1
         USE_POLARSSL="yes"
         curl_ssl_msg="enabled (PolarSSL)"
        ])
    fi

    if test "x$USE_POLARSSL" != "xyes"; then
      dnl add the path and test again
      addld=-L$OPT_POLARSSL/lib$libsuff
      addcflags=-I$OPT_POLARSSL/include
      polarssllib=$OPT_POLARSSL/lib$libsuff

      LDFLAGS="$LDFLAGS $addld"
      if test "$addcflags" != "-I/usr/include"; then
         CPPFLAGS="$CPPFLAGS $addcflags"
      fi

      AC_CHECK_LIB(polarssl, ssl_init,
       [
       AC_DEFINE(USE_POLARSSL, 1, [if PolarSSL is enabled])
       AC_SUBST(USE_POLARSSL, [1])
       POLARSSL_ENABLED=1
       USE_POLARSSL="yes"
       curl_ssl_msg="enabled (PolarSSL)"
       ],
       [
         CPPFLAGS=$_cppflags
         LDFLAGS=$_ldflags
       ])
    fi

    if test "x$USE_POLARSSL" = "xyes"; then
      AC_MSG_NOTICE([detected PolarSSL])

      CURL_LIBS="$CURL_LIBS -lpolarssl"
      LIBS="$LIBS -lpolarssl"

      if test -n "$polarssllib"; then
        dnl when shared libs were found in a path that the run-time
        dnl linker doesn't search through, we need to add it to
        dnl LD_LIBRARY_PATH to prevent further configure tests to fail
        dnl due to this

        LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$polarssllib"
        export LD_LIBRARY_PATH
        AC_MSG_NOTICE([Added $polarssllib to LD_LIBRARY_PATH])
      fi

    fi

  fi dnl PolarSSL not disabled

fi dnl OPENSSL != 1

dnl ----------------------------------------------------
dnl NSS. Only check if GnuTLS and OpenSSL are not enabled
dnl ----------------------------------------------------

dnl Default to compiler & linker defaults for NSS files & libraries.
OPT_NSS=no

AC_ARG_WITH(nss,dnl
AC_HELP_STRING([--with-nss=PATH],[where to look for NSS, PATH points to the installation root (default: /usr/local/)])
AC_HELP_STRING([--without-nss], [disable NSS detection]),
  OPT_NSS=$withval)

if test "$OPENSSL_ENABLED" != "1" -a "$GNUTLS_ENABLED" != "1"; then

  if test X"$OPT_NSS" != Xno; then
    if test "x$OPT_NSS" = "xyes"; then

      CURL_CHECK_PKGCONFIG(nss)

      if test "$PKGCONFIG" != "no" ; then
        addlib=`$PKGCONFIG --libs nss`
        addcflags=`$PKGCONFIG --cflags nss`
        version=`$PKGCONFIG --modversion nss`
        nssprefix=`$PKGCONFIG --variable=prefix nss`
      else
        dnl Without pkg-config, we check for nss-config

        check=`nss-config --version 2>/dev/null`
        if test -n "$check"; then
          addlib=`nss-config --libs`
          addcflags=`nss-config --cflags`
          version=`nss-config --version`
          nssprefix=`nss-config --prefix`
        else
          addlib="-lnss3"
          addcflags=""
          version="unknown"
        fi
      fi
    else
        # Without pkg-config, we'll kludge in some defaults
        addlib="-L$OPT_NSS/lib -lssl3 -lsmime3 -lnss3 -lplds4 -lplc4 -lnspr4 -lpthread -ldl"
        addcflags="-I$OPT_NSS/include"
        version="unknown"
        nssprefix=$OPT_NSS
    fi

    dnl Check for functionPK11_CreateGenericObject
    dnl this is needed for using the PEM PKCS#11 module
    AC_CHECK_LIB(nss3, PK11_CreateGenericObject,
     [
     AC_DEFINE(HAVE_PK11_CREATEGENERICOBJECT, 1, [if you have the function PK11_CreateGenericObject])
     AC_SUBST(HAVE_PK11_CREATEGENERICOBJECT, [1])
     ])
    if test -n "$addlib"; then

      CLEANLIBS="$LIBS"
      CLEANCPPFLAGS="$CPPFLAGS"

      LIBS="$LIBS $addlib"
      if test "$addcflags" != "-I/usr/include"; then
         CPPFLAGS="$CPPFLAGS $addcflags"
      fi

      AC_CHECK_LIB(nss3, NSS_Initialize,
       [
       AC_DEFINE(USE_NSS, 1, [if NSS is enabled])
       AC_SUBST(USE_NSS, [1])
       USE_NSS="yes"
       NSS_ENABLED=1
       curl_ssl_msg="enabled (NSS)"
       ],
       [
         LIBS="$CLEANLIBS"
         CPPFLAGS="$CLEANCPPFLAGS"
       ])

      if test "x$USE_NSS" = "xyes"; then
        AC_MSG_NOTICE([detected NSS version $version])

        dnl when shared libs were found in a path that the run-time
        dnl linker doesn't search through, we need to add it to
        dnl LD_LIBRARY_PATH to prevent further configure tests to fail
        dnl due to this

        LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$nssprefix/lib$libsuff"
        export LD_LIBRARY_PATH
        AC_MSG_NOTICE([Added $nssprefix/lib$libsuff to LD_LIBRARY_PATH])
      fi

    fi

  fi dnl NSS not disabled

fi dnl OPENSSL != 1 -a GNUTLS_ENABLED != 1

if test "x$OPENSSL_ENABLED$GNUTLS_ENABLED$NSS_ENABLED$POLARSSL_ENABLED" = "x"; then
  AC_MSG_WARN([SSL disabled, you will not be able to use HTTPS, FTPS, NTLM and more.])
  AC_MSG_WARN([Use --with-ssl, --with-gnutls, --with-polarssl or --with-nss to address this.])
else
  # SSL is enabled, genericly
  AC_SUBST(SSL_ENABLED)
  SSL_ENABLED="1"
fi

dnl **********************************************************************
dnl Check for the CA bundle
dnl **********************************************************************

CURL_CHECK_CA_BUNDLE

dnl **********************************************************************
dnl Check for the presence of LIBSSH2 libraries and headers
dnl **********************************************************************

dnl Default to compiler & linker defaults for LIBSSH2 files & libraries.
OPT_LIBSSH2=off
AC_ARG_WITH(libssh2,dnl
AC_HELP_STRING([--with-libssh2=PATH],[Where to look for libssh2, PATH points to the LIBSSH2 installation (default: /usr/local/lib); when possible, set the PKG_CONFIG_PATH environment variable instead of using this option])
AC_HELP_STRING([--without-libssh2], [disable LIBSSH2]),
  OPT_LIBSSH2=$withval)

if test X"$OPT_LIBSSH2" != Xno; then
  dnl backup the pre-libssh2 variables
  CLEANLDFLAGS="$LDFLAGS"
  CLEANCPPFLAGS="$CPPFLAGS"
  CLEANLIBS="$LIBS"

  case "$OPT_LIBSSH2" in
  yes)
    dnl --with-libssh2 (without path) used
    CURL_CHECK_PKGCONFIG(libssh2)

    if test "$PKGCONFIG" != "no" ; then
      LIB_SSH2=`$PKGCONFIG --libs-only-l libssh2`
      LD_SSH2=`$PKGCONFIG --libs-only-L libssh2`
      CPP_SSH2=`$PKGCONFIG --cflags-only-I libssh2`
      version=`$PKGCONFIG --modversion libssh2`
      DIR_SSH2=`echo $LD_SSH2 | $SED -e 's/-L//'`
    fi

    ;;
  off)
    dnl no --with-libssh2 option given, just check default places
    ;;
  *)
    dnl use the given --with-libssh2 spot
    PREFIX_SSH2=$OPT_LIBSSH2
    ;;
  esac

  dnl if given with a prefix, we set -L and -I based on that
  if test -n "$PREFIX_SSH2"; then
    LD_SSH2=-L${PREFIX_SSH2}/lib$libsuff
    CPP_SSH2=-I${PREFIX_SSH2}/include
    DIR_SSH2=${PREFIX_SSH2}/lib$libsuff
  fi

  LDFLAGS="$LDFLAGS $LD_SSH2"
  CPPFLAGS="$CPPFLAGS $CPP_SSH2"
  LIBS="$LIBS $LIB_SSH2"

  AC_CHECK_LIB(ssh2, libssh2_channel_open_ex)

  AC_CHECK_HEADERS(libssh2.h,
    curl_ssh_msg="enabled (libSSH2)"
    LIBSSH2_ENABLED=1
    AC_DEFINE(USE_LIBSSH2, 1, [if libSSH2 is in use])
    AC_SUBST(USE_LIBSSH2, [1])
  )

  if test X"$OPT_LIBSSH2" != Xoff &&
     test "$LIBSSH2_ENABLED" != "1"; then
    AC_MSG_ERROR([libSSH2 libs and/or directories were not found where specified!])
  fi

  if test "$LIBSSH2_ENABLED" = "1"; then
    if test -n "$DIR_SSH2"; then
       dnl when the libssh2 shared libs were found in a path that the run-time
       dnl linker doesn't search through, we need to add it to LD_LIBRARY_PATH
       dnl to prevent further configure tests to fail due to this

       dnl libssh2_version is a post 1.0 addition
       dnl libssh2_init and libssh2_exit were added in 1.2.5
       dnl libssh2_scp_send64 was added in 1.2.6
       dnl libssh2_session_handshake was added in 1.2.8
       AC_CHECK_FUNCS( libssh2_version libssh2_init libssh2_exit \
                       libssh2_scp_send64 libssh2_session_handshake)

       LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$DIR_SSH2"
       export LD_LIBRARY_PATH
       AC_MSG_NOTICE([Added $DIR_SSH2 to LD_LIBRARY_PATH])
    fi
  else
    dnl no libssh2, revert back to clean variables
    LDFLAGS=$CLEANLDFLAGS
    CPPFLAGS=$CLEANCPPFLAGS
    LIBS=$CLEANLIBS
  fi
fi

dnl **********************************************************************
dnl Check for the presence of LIBRTMP libraries and headers
dnl **********************************************************************

dnl Default to compiler & linker defaults for LIBRTMP files & libraries.
OPT_LIBRTMP=off
AC_ARG_WITH(librtmp,dnl
AC_HELP_STRING([--with-librtmp=PATH],[Where to look for librtmp, PATH points to the LIBRTMP installation (default: /usr/local/lib); when possible, set the PKG_CONFIG_PATH environment variable instead of using this option])
AC_HELP_STRING([--without-librtmp], [disable LIBRTMP]),
  OPT_LIBRTMP=$withval)

if test X"$OPT_LIBRTMP" != Xno; then
  dnl backup the pre-librtmp variables
  CLEANLDFLAGS="$LDFLAGS"
  CLEANCPPFLAGS="$CPPFLAGS"
  CLEANLIBS="$LIBS"

  case "$OPT_LIBRTMP" in
  yes)
    dnl --with-librtmp (without path) used
    CURL_CHECK_PKGCONFIG(librtmp)

    if test "$PKGCONFIG" != "no" ; then
      LIB_RTMP=`$PKGCONFIG --libs-only-l librtmp`
      LD_RTMP=`$PKGCONFIG --libs-only-L librtmp`
      CPP_RTMP=`$PKGCONFIG --cflags-only-I librtmp`
      version=`$PKGCONFIG --modversion librtmp`
      DIR_RTMP=`echo $LD_RTMP | $SED -e 's/-L//'`
    fi

    ;;
  off)
    dnl no --with-librtmp option given, just check default places
    LIB_RTMP="-lrtmp"
    ;;
  *)
    dnl use the given --with-librtmp spot
    PREFIX_RTMP=$OPT_LIBRTMP
    ;;
  esac

  dnl if given with a prefix, we set -L and -I based on that
  if test -n "$PREFIX_RTMP"; then
    LD_RTMP=-L${PREFIX_RTMP}/lib$libsuff
    CPP_RTMP=-I${PREFIX_RTMP}/include
    DIR_RTMP=${PREFIX_RTMP}/lib$libsuff
  fi

  LDFLAGS="$LDFLAGS $LD_RTMP"
  CPPFLAGS="$CPPFLAGS $CPP_RTMP"
  LIBS="$LIBS $LIB_RTMP"

  AC_CHECK_LIB(rtmp, RTMP_Init,
    [
     AC_CHECK_HEADERS(librtmp/rtmp.h,
        curl_rtmp_msg="enabled (librtmp)"
        LIBRTMP_ENABLED=1
        AC_DEFINE(USE_LIBRTMP, 1, [if librtmp is in use])
        AC_SUBST(USE_LIBRTMP, [1])
     )
    ],
      dnl not found, revert back to clean variables
      LDFLAGS=$CLEANLDFLAGS
      CPPFLAGS=$CLEANCPPFLAGS
      LIBS=$CLEANLIBS
  )

  if test X"$OPT_LIBRTMP" != Xoff &&
     test "$LIBRTMP_ENABLED" != "1"; then
    AC_MSG_ERROR([librtmp libs and/or directories were not found where specified!])
  fi

fi

dnl **********************************************************************
dnl Check for the presence of IDN libraries and headers
dnl **********************************************************************

AC_MSG_CHECKING([whether to build with libidn])
AC_ARG_WITH(libidn,
AC_HELP_STRING([--with-libidn=PATH],[Enable libidn usage])
AC_HELP_STRING([--without-libidn],[Disable libidn usage]),
  [LIBIDN="$withval"])

case "$LIBIDN" in
  no)
       AC_MSG_RESULT(no)
       ;;
  *)   AC_MSG_RESULT(yes)

       idn=""
       dnl if there is a given path, check that FIRST
       if test -n "$LIBIDN"; then
         if test "x$LIBIDN" != "xyes"; then
            oldLDFLAGS=$LDFLAGS
            oldCPPFLAGS=$CPPFLAGS
            LDFLAGS="$LDFLAGS -L$LIBIDN/lib"
            CPPFLAGS="$CPPFLAGS -I$LIBIDN/include"
            idn="yes"
            AC_CHECK_LIB(idn, idna_to_ascii_4i, ,
                         idn=""
                         LDFLAGS=$oldLDFLAGS
                         CPPFLAGS=$oldCPPFLAGS)
         fi
       fi

       if test "x$idn" != "xyes"; then
          dnl check with default paths
          idn="yes"
          AC_CHECK_LIB(idn, idna_to_ascii_lz, ,
                       idn="")
       fi

       if test "x$idn" = "xyes"; then
         curl_idn_msg="enabled"
         AC_SUBST(IDN_ENABLED, [1])
         dnl different versions of libidn have different setups of these:
         AC_CHECK_FUNCS( idn_free idna_strerror tld_strerror)
         AC_CHECK_HEADERS( idn-free.h tld.h )
       fi

       ;;
esac


dnl Let's hope this split URL remains working:
dnl http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixprggd/ \
dnl genprogc/thread_quick_ref.htm


dnl **********************************************************************
dnl Back to "normal" configuring
dnl **********************************************************************

dnl Checks for header files.
AC_HEADER_STDC

CURL_CHECK_HEADER_MALLOC
CURL_CHECK_HEADER_MEMORY

dnl Now check for the very most basic headers. Then we can use these
dnl ones as default-headers when checking for the rest!
AC_CHECK_HEADERS(
        sys/types.h \
        sys/time.h \
        sys/select.h \
        sys/socket.h \
        sys/ioctl.h \
        sys/uio.h \
        assert.h \
        unistd.h \
        stdlib.h \
        limits.h \
        arpa/inet.h \
        net/if.h \
        netinet/in.h \
        sys/un.h \
        netinet/tcp.h \
        netdb.h \
        sys/sockio.h \
        sys/stat.h \
        sys/param.h \
        termios.h \
        termio.h \
        sgtty.h \
        fcntl.h \
        alloca.h \
        time.h \
        io.h \
        pwd.h \
        utime.h \
        sys/utime.h \
        sys/poll.h \
        poll.h \
        socket.h \
        sys/resource.h \
        libgen.h \
        locale.h \
        errno.h \
        stdbool.h \
        arpa/tftp.h \
        sys/filio.h \
        setjmp.h,
dnl to do if not found
[],
dnl to do if found
[],
dnl default includes
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
]
)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
CURL_CHECK_VARIADIC_MACROS
AC_TYPE_SIZE_T
AC_HEADER_TIME
CURL_CHECK_STRUCT_TIMEVAL
CURL_VERIFY_RUNTIMELIBS

AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(short)
CURL_CONFIGURE_LONG
AC_CHECK_SIZEOF(time_t)
AC_CHECK_SIZEOF(off_t)

soname_bump=no
if test x"$ac_cv_native_windows" != "xyes" &&
   test $ac_cv_sizeof_off_t -ne $curl_sizeof_curl_off_t; then
  AC_MSG_WARN([This libcurl built is probably not ABI compatible with previous])
  AC_MSG_WARN([builds! You MUST read lib/README.curl_off_t to figure it out.])
  soname_bump=yes
fi


AC_CHECK_TYPE(long long,
   [AC_DEFINE(HAVE_LONGLONG, 1,
      [Define to 1 if the compiler supports the 'long long' data type.])]
   longlong="yes"
)

if test "xyes" = "x$longlong"; then
  AC_MSG_CHECKING([if numberLL works])
  AC_COMPILE_IFELSE([long long val = 1000LL;],
   [AC_DEFINE(HAVE_LL, 1, [if your compiler supports LL])]
   AC_MSG_RESULT(yes),
   AC_MSG_RESULT(no)
  )
fi


# check for ssize_t
AC_CHECK_TYPE(ssize_t, ,
   AC_DEFINE(ssize_t, int, [the signed version of size_t]))

# check for bool type
AC_CHECK_TYPE([bool],[
  AC_DEFINE(HAVE_BOOL_T, 1,
    [Define to 1 if bool is an available type.])
], ,[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
])

CURL_CONFIGURE_CURL_SOCKLEN_T

TYPE_IN_ADDR_T

TYPE_SOCKADDR_STORAGE

TYPE_SIG_ATOMIC_T

AC_TYPE_SIGNAL

CURL_CHECK_FUNC_SELECT

CURL_CHECK_FUNC_RECV
CURL_CHECK_FUNC_RECVFROM
CURL_CHECK_FUNC_SEND
CURL_CHECK_MSG_NOSIGNAL

CURL_CHECK_FUNC_ALARM
CURL_CHECK_FUNC_BASENAME
CURL_CHECK_FUNC_CLOSESOCKET
CURL_CHECK_FUNC_CLOSESOCKET_CAMEL
CURL_CHECK_FUNC_CONNECT
CURL_CHECK_FUNC_FCNTL
CURL_CHECK_FUNC_FDOPEN
CURL_CHECK_FUNC_FREEADDRINFO
CURL_CHECK_FUNC_FREEIFADDRS
CURL_CHECK_FUNC_FTRUNCATE
CURL_CHECK_FUNC_GETADDRINFO
CURL_CHECK_FUNC_GETHOSTBYADDR
CURL_CHECK_FUNC_GETHOSTBYADDR_R
CURL_CHECK_FUNC_GETHOSTBYNAME
CURL_CHECK_FUNC_GETHOSTBYNAME_R
CURL_CHECK_FUNC_GETHOSTNAME
CURL_CHECK_FUNC_GETIFADDRS
CURL_CHECK_FUNC_GETSERVBYPORT_R
CURL_CHECK_FUNC_GMTIME_R
CURL_CHECK_FUNC_INET_NTOA_R
CURL_CHECK_FUNC_INET_NTOP
CURL_CHECK_FUNC_INET_PTON
CURL_CHECK_FUNC_IOCTL
CURL_CHECK_FUNC_IOCTLSOCKET
CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL
CURL_CHECK_FUNC_LOCALTIME_R
CURL_CHECK_FUNC_MEMRCHR
CURL_CHECK_FUNC_POLL
CURL_CHECK_FUNC_SETSOCKOPT
CURL_CHECK_FUNC_SETXATTR
CURL_CHECK_FUNC_SIGACTION
CURL_CHECK_FUNC_SIGINTERRUPT
CURL_CHECK_FUNC_SIGNAL
CURL_CHECK_FUNC_SIGSETJMP
CURL_CHECK_FUNC_SOCKET
CURL_CHECK_FUNC_STRCASECMP
CURL_CHECK_FUNC_STRCASESTR
CURL_CHECK_FUNC_STRCMPI
CURL_CHECK_FUNC_STRDUP
CURL_CHECK_FUNC_STRERROR_R
CURL_CHECK_FUNC_STRICMP
CURL_CHECK_FUNC_STRLCAT
CURL_CHECK_FUNC_STRNCASECMP
CURL_CHECK_FUNC_STRNCMPI
CURL_CHECK_FUNC_STRNICMP
CURL_CHECK_FUNC_STRSTR
CURL_CHECK_FUNC_STRTOK_R
CURL_CHECK_FUNC_STRTOLL
CURL_CHECK_FUNC_WRITEV

dnl Checks for library functions.
dnl AC_PROG_GCC_TRADITIONAL

dnl AC_FUNC_VPRINTF
case $host in
  *msdosdjgpp)
     ac_cv_func_pipe=no
     skipcheck_pipe=yes
     AC_MSG_NOTICE([skip check for pipe on msdosdjgpp])
    ;;
esac

AC_CHECK_FUNCS([fork \
  geteuid \
  getpass_r \
  getppid \
  getprotobyname \
  getpwuid \
  getrlimit \
  gettimeofday \
  inet_addr \
  perror \
  pipe \
  setlocale \
  setmode \
  setrlimit \
  uname \
  utime
],[
],[
  func="$ac_func"
  eval skipcheck=\$skipcheck_$func
  if test "x$skipcheck" != "xyes"; then
    AC_MSG_CHECKING([deeper for $func])
    AC_LINK_IFELSE([
      AC_LANG_PROGRAM([[
      ]],[[
        $func ();
      ]])
    ],[
      AC_MSG_RESULT([yes])
      eval "ac_cv_func_$func=yes"
      AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$func]), [1],
        [Define to 1 if you have the $func function.])
    ],[
      AC_MSG_RESULT([but still no])
    ])
  fi
])

dnl Check if the getnameinfo function is available
dnl and get the types of five of its arguments.
CURL_CHECK_FUNC_GETNAMEINFO

if test "$ipv6" = "yes"; then
  if test "$ac_cv_func_getaddrinfo" = "yes"; then
    AC_DEFINE(ENABLE_IPV6, 1, [Define if you want to enable IPv6 support])
    IPV6_ENABLED=1
    AC_SUBST(IPV6_ENABLED)
  fi
  CURL_CHECK_NI_WITHSCOPEID
fi

dnl ************************************************************
dnl enable non-blocking communications
dnl
CURL_CHECK_OPTION_NONBLOCKING
CURL_CHECK_NONBLOCKING_SOCKET

dnl ************************************************************
dnl nroff tool stuff
dnl

AC_PATH_PROG( PERL, perl, ,
  $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
AC_SUBST(PERL)

AC_PATH_PROGS( NROFF, gnroff nroff, ,
  $PATH:/usr/bin/:/usr/local/bin )
AC_SUBST(NROFF)

if test -n "$NROFF"; then
  dnl only check for nroff options if an nroff command was found

  AC_MSG_CHECKING([how to use *nroff to get plain text from man pages])
  MANOPT="-man"
  mancheck=`echo foo | $NROFF $MANOPT 2>/dev/null`
  if test -z "$mancheck"; then
    MANOPT="-mandoc"
   mancheck=`echo foo | $NROFF $MANOPT 2>/dev/null`
    if test -z "$mancheck"; then
      MANOPT=""
      AC_MSG_RESULT([failed])
      AC_MSG_WARN([found no *nroff option to get plaintext from man pages])
    else
      AC_MSG_RESULT([$MANOPT])
    fi
  else
    AC_MSG_RESULT([$MANOPT])
  fi
  AC_SUBST(MANOPT)
fi

if test -z "$MANOPT"
then
  dnl if no nroff tool was found, or no option that could convert man pages
  dnl was found, then disable the built-in manual stuff
  AC_MSG_WARN([disabling built-in manual])
  USE_MANUAL="no";
fi

dnl *************************************************************************
dnl If the manual variable still is set, then we go with providing a built-in
dnl manual

if test "$USE_MANUAL" = "1"; then
  AC_DEFINE(USE_MANUAL, 1, [If you want to build curl with the built-in manual])
  curl_manual_msg="enabled"
fi

dnl set variable for use in automakefile(s)
AM_CONDITIONAL(USE_MANUAL, test x"$USE_MANUAL" = x1)

CURL_CHECK_LIB_ARES
AM_CONDITIONAL(USE_EMBEDDED_ARES, test x$embedded_ares = xyes)

if test "x$enable_shared" = "xyes"; then
  build_libhostname=yes
else
  build_libhostname=no
fi
AM_CONDITIONAL(BUILD_LIBHOSTNAME, test x$build_libhostname = xyes)

CURL_CHECK_OPTION_THREADED_RESOLVER

if test "x$want_thres" = xyes && test "x$want_ares" = xyes; then
  AC_MSG_ERROR(
[Options --enable-threaded-resolver and --enable-ares are mutually exclusive])
fi

if test "$want_thres" = "yes"; then
  AC_CHECK_HEADER(pthread.h,
    [ AC_DEFINE(HAVE_PTHREAD_H, 1, [if you have <pthread.h>])
      save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS -pthread"
      AC_CHECK_LIB(pthread, pthread_create,
        [ AC_MSG_NOTICE([using POSIX threaded DNS lookup])
          AC_DEFINE(USE_THREADS_POSIX, 1, [if you want POSIX threaded DNS lookup])
          USE_THREADS_POSIX=1
          curl_res_msg="threaded"
        ],
        [ CFLAGS="$save_CFLAGS"])
  ])
fi

dnl ************************************************************
dnl disable verbose text strings
dnl
AC_MSG_CHECKING([whether to enable verbose strings])
AC_ARG_ENABLE(verbose,
AC_HELP_STRING([--enable-verbose],[Enable verbose strings])
AC_HELP_STRING([--disable-verbose],[Disable verbose strings]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_VERBOSE_STRINGS, 1, [to disable verbose strings])
       curl_verbose_msg="no"
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

dnl ************************************************************
dnl enable SSPI support
dnl
AC_MSG_CHECKING([whether to enable SSPI support (Windows native builds only)])
AC_ARG_ENABLE(sspi,
AC_HELP_STRING([--enable-sspi],[Enable SSPI])
AC_HELP_STRING([--disable-sspi],[Disable SSPI]),
[ case "$enableval" in
  yes)
       if test "$ac_cv_native_windows" = "yes"; then
         AC_MSG_RESULT(yes)
         AC_DEFINE(USE_WINDOWS_SSPI, 1, [to enable SSPI support])
         AC_SUBST(USE_WINDOWS_SSPI, [1])
         curl_sspi_msg="enabled"
       else
         AC_MSG_RESULT(no)
         AC_MSG_WARN([--enable-sspi Ignored. Only supported on native Windows builds.])
       fi
       ;;
  *)
       AC_MSG_RESULT(no)
       ;;
  esac ],
       AC_MSG_RESULT(no)
)

dnl ************************************************************
dnl disable cryptographic authentication
dnl
AC_MSG_CHECKING([whether to enable cryptographic authentication methods])
AC_ARG_ENABLE(crypto-auth,
AC_HELP_STRING([--enable-crypto-auth],[Enable cryptographic authentication])
AC_HELP_STRING([--disable-crypto-auth],[Disable cryptographic authentication]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_CRYPTO_AUTH, 1, [to disable cryptographic authentication])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

dnl ************************************************************
dnl disable cookies support
dnl
AC_MSG_CHECKING([whether to enable support for cookies])
AC_ARG_ENABLE(cookies,
AC_HELP_STRING([--enable-cookies],[Enable cookies support])
AC_HELP_STRING([--disable-cookies],[Disable cookies support]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       AC_DEFINE(CURL_DISABLE_COOKIES, 1, [to disable cookies support])
       ;;
  *)   AC_MSG_RESULT(yes)
       ;;
  esac ],
       AC_MSG_RESULT(yes)
)

dnl ************************************************************
dnl Enable hiding of internal symbols in library to reduce its size and
dnl speed dynamic linking of applications.  This currently is only supported
dnl on gcc >= 4.0 and SunPro C.
dnl
AC_MSG_CHECKING([whether to enable hidden symbols in the library])
AC_ARG_ENABLE(hidden-symbols,
AC_HELP_STRING([--enable-hidden-symbols],[Hide internal symbols in library])
AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibility in library]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       ;;
  *)
       AC_MSG_CHECKING([whether $CC supports it])
       if test "$GCC" = yes ; then
         if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ||
           dnl clang always supports -fvisibility= but it doesn't show up
           dnl under --help.
           test "$compiler_id" = "CLANG"; then
           AC_MSG_RESULT(yes)
           AC_DEFINE(CURL_HIDDEN_SYMBOLS, 1, [to enable hidden symbols])
           AC_DEFINE(CURL_EXTERN_SYMBOL, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
           CFLAGS="$CFLAGS -fvisibility=hidden"
         else
            AC_MSG_RESULT(no)
          fi

       else
         dnl Test for SunPro cc
         if $CC 2>&1 | grep flags >/dev/null && $CC -flags | grep xldscope= >/dev/null ; then
           AC_MSG_RESULT(yes)
           AC_DEFINE(CURL_HIDDEN_SYMBOLS, 1, [to enable hidden symbols])
           AC_DEFINE(CURL_EXTERN_SYMBOL, [__global], [to make a symbol visible])
           CFLAGS="$CFLAGS -xldscope=hidden"
         else
           AC_MSG_RESULT(no)
         fi
       fi
       ;;
  esac ],
       AC_MSG_RESULT(no)
)

dnl ************************************************************
dnl enforce SONAME bump
dnl

AC_MSG_CHECKING([whether to enforce SONAME bump])
AC_ARG_ENABLE(soname-bump,
AC_HELP_STRING([--enable-soname-bump],[Enable enforced SONAME bump])
AC_HELP_STRING([--disable-soname-bump],[Disable enforced SONAME bump]),
[ case "$enableval" in
  yes)   AC_MSG_RESULT(yes)
         soname_bump=yes
         ;;
  *)
         AC_MSG_RESULT(no)
         ;;
  esac ],
        AC_MSG_RESULT($soname_bump)
)
AM_CONDITIONAL(SONAME_BUMP, test x$soname_bump = xyes)


dnl ************************************************************
if test ! -z "$winsock_LIB"; then

  dnl If ws2_32 is wanted, make sure it is the _last_ lib in LIBS (makes
  dnl things work when built with c-ares). But we can't just move it last
  dnl since then other stuff (SSL) won't build. So we simply append it to the
  dnl end.

  LIBS="$LIBS $winsock_LIB"
  TEST_SERVER_LIBS="$TEST_SERVER_LIBS $winsock_LIB"

fi

dnl
dnl All the library dependencies put into $LIB apply to libcurl only.
dnl Those in $CURL_LIBS apply to the curl command-line client only.
dnl Those in $TEST_SERVER_LIBS apply to test servers only.
dnl Those in $ALL_LIBS apply to all targets, including test targets.
dnl
LIBCURL_LIBS=$LIBS

AC_SUBST(LIBCURL_LIBS)
AC_SUBST(CURL_LIBS)
AC_SUBST(TEST_SERVER_LIBS)
AC_SUBST(CURL_NETWORK_LIBS)
LIBS=$ALL_LIBS  dnl LIBS is a magic variable that's used for every link

AM_CONDITIONAL(CROSSCOMPILING, test x$cross_compiling = xyes)

dnl yes or no
ENABLE_SHARED="$enable_shared"
AC_SUBST(ENABLE_SHARED)

dnl
dnl For keeping supported features and protocols also in pkg-config file
dnl since it is more cross-compile frient than curl-config
dnl

if test "x$USE_SSLEAY" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES SSL"
elif test -n "$SSL_ENABLED"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES SSL"
fi
if test "@KRB4_ENABLED@" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES KRB4"
fi
if test "x$IPV6_ENABLED" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES IPv6"
fi
if test "x$HAVE_LIBZ" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES libz"
fi
if test "x$USE_ARES" = "x1" -o "x$USE_THREADS_POSIX" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES AsynchDNS"
fi
if test "x$IDN_ENABLED" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES IDN"
fi
if test "x$USE_WINDOWS_SSPI" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES SSPI"
fi
if test "x$USE_SSLEAY" = "x1" -o "x$USE_WINDOWS_SSPI" = "x1" \
    -o "x$GNUTLS_ENABLED" = "x1" -o "x$NSS_ENABLED" = "x1"; then
  SUPPORT_FEATURES="$SUPPORT_FEATURES NTLM"
fi

AC_SUBST(SUPPORT_FEATURES)

dnl For supported protocols in pkg-config file
if test "x$CURL_DISABLE_HTTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS HTTP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS HTTPS"
  fi
fi
if test "x$CURL_DISABLE_FTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FTP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FTPS"
  fi
fi
if test "x$CURL_DISABLE_FILE" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FILE"
fi
if test "x$CURL_DISABLE_TELNET" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS TELNET"
fi
if test "x$CURL_DISABLE_LDAP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS LDAP"
  if test "x$CURL_DISABLE_LDAPS" != "x1"; then
    if (test "x$USE_OPENLDAP" = "x1" && test "x$SSL_ENABLED" = "x1") ||
      (test "x$USE_OPENLDAP" != "x1"  && test "x$HAVE_LDAP_SSL" = "x1"); then
      SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS LDAPS"
    fi
  fi
fi
if test "x$CURL_DISABLE_DICT" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS DICT"
fi
if test "x$CURL_DISABLE_TFTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS TFTP"
fi
if test "x$CURL_DISABLE_GOPHER" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS GOPHER"
fi
if test "x$CURL_DISABLE_POP3" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS POP3"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS POP3S"
  fi
fi
if test "x$CURL_DISABLE_IMAP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS IMAP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS IMAPS"
  fi
fi
if test "x$CURL_DISABLE_SMTP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SMTP"
  if test "x$SSL_ENABLED" = "x1"; then
    SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SMTPS"
  fi
fi
if test "x$USE_LIBSSH2" = "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SCP"
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SFTP"
fi
if test "x$CURL_DISABLE_RTSP" != "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS RTSP"
fi
if test "x$USE_LIBRTMP" = "x1"; then
  SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS RTMP"
fi

dnl replace spaces with newlines
dnl sort the lines
dnl replace the newlines back to spaces
SUPPORT_PROTOCOLS=`echo $SUPPORT_PROTOCOLS | tr ' ' '\012' | sort | tr '\012' ' '`

AC_SUBST(SUPPORT_PROTOCOLS)

dnl squeeze whitespace out of some variables

squeeze CFLAGS
squeeze CPPFLAGS
squeeze DEFS
squeeze LDFLAGS
squeeze LIBS

squeeze CURL_LIBS
squeeze LIBCURL_LIBS
squeeze TEST_SERVER_LIBS
squeeze CURL_NETWORK_LIBS

squeeze SUPPORT_FEATURES
squeeze SUPPORT_PROTOCOLS

if test "x$want_curldebug_assumed" = "xyes" &&
  test "x$want_curldebug" = "xyes" && test "x$USE_ARES" = "x1"; then
  ac_configure_args="$ac_configure_args --enable-curldebug"
fi

AC_CONFIG_FILES([Makefile \
           docs/Makefile \
           docs/examples/Makefile \
           docs/libcurl/Makefile \
           include/Makefile \
           include/curl/Makefile \
           src/Makefile \
           lib/Makefile \
           tests/Makefile \
           tests/data/Makefile \
           tests/server/Makefile \
           tests/libtest/Makefile \
           packages/Makefile \
           packages/Win32/Makefile \
           packages/Win32/cygwin/Makefile \
           packages/Linux/Makefile \
           packages/Linux/RPM/Makefile \
           packages/Linux/RPM/curl.spec \
           packages/Linux/RPM/curl-ssl.spec \
           packages/Solaris/Makefile \
           packages/EPM/curl.list \
           packages/EPM/Makefile \
           packages/vms/Makefile \
           packages/AIX/Makefile \
           packages/AIX/RPM/Makefile \
           packages/AIX/RPM/curl.spec \
           curl-config \
           libcurl.pc
])
AC_OUTPUT

AC_MSG_NOTICE([Configured to build curl/libcurl:

  curl version:    ${VERSION}
  Host setup:      ${host}
  Install prefix:  ${prefix}
  Compiler:        ${CC}
  SSL support:     ${curl_ssl_msg}
  SSH support:     ${curl_ssh_msg}
  zlib support:    ${curl_zlib_msg}
  krb4 support:    ${curl_krb4_msg}
  GSSAPI support:  ${curl_gss_msg}
  SPNEGO support:  ${curl_spnego_msg}
  resolver:        ${curl_res_msg}
  ipv6 support:    ${curl_ipv6_msg}
  IDN support:     ${curl_idn_msg}
  Build libcurl:   Shared=${enable_shared}, Static=${enable_static}
  Built-in manual: ${curl_manual_msg}
  Verbose errors:  ${curl_verbose_msg}
  SSPI support:    ${curl_sspi_msg}
  ca cert bundle:  ${ca}
  ca cert path:    ${capath}
  LDAP support:    ${curl_ldap_msg}
  LDAPS support:   ${curl_ldaps_msg}
  RTSP support:    ${curl_rtsp_msg}
  RTMP support:    ${curl_rtmp_msg}
  Protocols:       ${SUPPORT_PROTOCOLS}
])

if test "x$soname_bump" = "xyes"; then

cat <<EOM
  SONAME bump:     yes - WARNING: this library will be built with the SONAME
                   number bumped due to (a detected) ABI breakage.
                   See lib/README.curl_off_t for details on this.
EOM

fi