aboutsummaryrefslogtreecommitdiffstats
path: root/configure.ac
blob: cac13d0a96f87f422da32450158780b7c09634f0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
#
# Autoconf script for Wireshark
#

#
# Define variables for the components of the Wireshark version number.
#
m4_define([version_major], [1])
m4_define([version_minor], [99])
m4_define([version_micro], [5])
m4_define([version_micro_extra], version_micro)
m4_append([version_micro_extra], [])

AC_INIT(wireshark, [version_major.version_minor.version_micro_extra], http://bugs.wireshark.org/, , http://www.wireshark.org/)
CONFIG_ARGS="$*"
AC_SUBST(CONFIG_ARGS)

# Minimum autoconf version we require.
AC_PREREQ(2.60)
# Variable expansion doesn't work in AC_PREREQ()
AC_MIN_VERSION=2.60
AC_SUBST(AC_MIN_VERSION)

dnl Make sure to keep ACLOCAL_AMFLAGS in Makefile.am and AC_CONFIG_MACRO_DIRS
dnl in configure.ac in sync, otherwise there will be an error running autogen.sh.
m4_ifdef([AC_CONFIG_MACRO_DIRS],AC_CONFIG_MACRO_DIRS([./aclocal-fallback]))

dnl Check for CPU / vendor / OS
dnl The user is encouraged to use either `AC_CANONICAL_BUILD', or
dnl `AC_CANONICAL_HOST', or `AC_CANONICAL_TARGET', depending on the
dnl needs.  Using `AC_CANONICAL_TARGET' is enough to run the two other
dnl macros.
dnl
dnl As nothing in the Wireshark is itself a build tool (we are not,
dnl for example, a compiler that generates machine code), we probably
dnl don't need AC_CANONICAL_TARGET, so, in theory, we should be able
dnl to use AC_CANONICAL_BUILD and AC_CANONICAL_HOST - or perhaps just
dnl AC_CANONICAL_HOST - instead.  Note that we do have tools, such as
dnl lemon, that need to be built for the build machine, not for the
dnl host machine, so we might need both.
dnl
dnl This has to be done *after* AC_INIT, otherwise autogen.sh fails.

dnl AC_CANONICAL_BUILD
dnl AC_CANONICAL_HOST
AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE([1.9 tar-ustar dist-bzip2 no-dist-gzip subdir-objects])

# Make Wireshark's version available in config.h
AC_DEFINE(VERSION_MAJOR, version_major, [Wireshark's major version])
AC_DEFINE(VERSION_MINOR, version_minor, [Wireshark's minor version])
AC_DEFINE(VERSION_MICRO, version_micro, [Wireshark's micro version])

AC_DEFINE(VERSION_FLAVOR, "Development Build", [Wireshark's package flavor])

AM_DISABLE_STATIC

#
# Checks for programs used in the main build process.
#
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CXX
AC_PROG_CPP
AC_PROG_MKDIR_P

dnl Work around libtool bug (fixed in the version 1.5a?)
AC_DEFUN([AC_PROVIDE_AC_LIBTOOL_DLOPEN], )
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
if test ! -z "$CXX"; then
	#
	# OK, we found something AC_LANG_CXX thinks is a C++ compiler,
	# but is it one?
	#
	# Some UN*Xes have, by default, a case-insensitive file
	# system, and AC_PROG_CXX looks for, among other things,
	# "CC" as a C++ compiler, and, if you have a case-insensitive
	# file system and a C compiler named "cc" (both true, by
	# default, on OS X), AC_PROG_CXX may end up thinking it's
	# the C++ compiler.
	#
	# So we check by feeding the purported C++ compiler a
	# program using C++ features (iostream).
	#
	# We do this after AC_PROG_LIBTOOL; if we did so before, and
	# cleared CXX if what we had isn't a C++ compiler, that'd
	# get undone by AC_PROG_LIBTOOL for some reason.
	#
	AC_MSG_CHECKING(whether $CXX is a C++ compiler)
	AC_LANG_PUSH([C++])
	AC_LINK_IFELSE([AC_LANG_PROGRAM(
	[
#include <iostream>
	],
	[
	std::cout << "Hello World! ";
	return 0;
	])],
		[AC_MSG_RESULT(yes)],
		[
			AC_MSG_RESULT(no)
			CXX=""
		])
	AC_LANG_POP([C++])
fi
AC_PATH_PROG(PERL, perl)

# Check for Python.
AC_PATH_PROGS(PYTHON, python, python3)
if test ! -z "$PYTHON"; then
	#
	# OK, we found Python; is it Python 2.5 or later?
	# Note: we don't use named components for sys.version_info to get
	# the major version number, as named components for version_info
	# were apparently introduced in Python 2.7.
	#
	AC_MSG_CHECKING([whether $PYTHON is Python 2.5 or later])
	python_major_version=`$PYTHON -c 'import sys; print (sys.version_info[[0]])'`
	python_minor_version=`$PYTHON -c 'import sys; print (sys.version_info[[1]])'`
	if test "$python_major_version" -eq 2 -a "$python_minor_version" -lt 5 ; then
		AC_MSG_RESULT(no)
		AC_MSG_WARN([Building with Python $python_major_version.$python_minor_version may not work])
	else
		AC_MSG_RESULT(yes)
	fi
else
	AC_MSG_ERROR(I couldn't find python; make sure it's installed and in your path)
fi

#
# XXX - should autogen.sh check for YACC/Bison and Flex?  A user building
# from a distribution tarball shouldn't have to have YACC/Bison or Flex,
# as the tarball should contain the results of running YACC/Bison on .y
# files and running Flex on .l files, but a user building from SVN
# will have to run YACC/Bison and Flex to process those files.
#
# On the other hand, what about users who use a distribution tarball to
# do development?  They *shouldn't* - that's what the SVN repository is
# for - but they might.  They'd get errors if they modify a .y or .l
# file and try to do a build - but the error should tell them that they
# need to get YACC/Bison and/or Flex.
#
# Then again, getting them shouldn't be too big of a burden.
#
# XXX - is the same true of pod2man and pod2html, or are they needed
# even when building from a distribution tarball?
#
#
AC_PROG_YACC
AC_PATH_PROG(YACCDUMMY, $YACC)
if test "x$YACCDUMMY" = x
then
	AC_MSG_ERROR(I couldn't find yacc (or bison or ...); make sure it's installed and in your path)
fi
AM_PROG_LEX
AC_PATH_PROG(LEX, flex)
if test "x$LEX" = x
then
	AC_MSG_ERROR(I couldn't find flex; make sure it's installed and in your path)
fi
AC_PATH_PROG(POD2MAN, pod2man)
if test "x$POD2MAN" = x
then
	#
	# The alternative is not to build the man pages....
	#
	AC_MSG_ERROR(I couldn't find pod2man; make sure it's installed and in your path)
fi
AC_PATH_PROG(POD2HTML, pod2html)
if test "x$POD2HTML" = x
then
	#
	# The alternative is not to build the HTML man pages....
	#
	AC_MSG_ERROR(I couldn't find pod2html; make sure it's installed and in your path)
fi

#
# Checks for programs used by Wireshark/TShark/etc.
#

#
# XXX - this looks for various HTML viewers on the host, not the target;
# we really want to know what's available on the target, for cross-builds.
# That would probably require us to, at run time, look for xdg-open and,
# if we don't find it, look for mozilla, htmlview, etc.
#
AC_PATH_PROG(HTML_VIEWER, xdg-open)
if test "x$HTML_VIEWER" != x
then
	#
	# XXX - the HTML_VIEWER shell variable is the full path of xdg-open.
	# Define some variable to be that, so we just run that?
	#
	AC_DEFINE(HAVE_XDG_OPEN, 1, [Define if we have xdg-open])

	#
	# XXX - we have to define HTML_VIEWER for the prefs.c code that
	# sets the default value of the Web browser preference, even
	# though that preference won't be offered.
	#
	AC_DEFINE_UNQUOTED(HTML_VIEWER, "xdg-open", [HTML viewer, e.g. mozilla])
else
	AC_PATH_PROG(HTML_VIEWER, htmlview)
	if test "x$HTML_VIEWER" = x
	then
		AC_DEFINE_UNQUOTED(HTML_VIEWER, "mozilla", [HTML viewer, e.g. mozilla])
	else
		AC_DEFINE_UNQUOTED(HTML_VIEWER, "htmlview", [HTML viewer, e.g. mozilla])
	fi
fi

#
# Set "ac_supports_gcc_flags" if the compiler is known to support GCC-style
# flags such as -pedantic, -W warning flags and -f feature flags.  Currently,
# we assume GCC and clang do; other compilers should be added here.
#
# This is done to avoid getting tripped up by compilers that support
# those flags but give them a different meaning.
#
if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
	ac_supports_gcc_flags=yes
fi

if test "x$CC_FOR_BUILD" = x
then
       CC_FOR_BUILD=$CC
fi
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)

# Check for doxygen
AC_PATH_PROG(DOXYGEN, doxygen)
AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, "yes", "no")
AM_CONDITIONAL(HAVE_DOXYGEN, test x$HAVE_DOXYGEN = xyes)

#
# Check for pkg-config and set PKG_CONFIG accordingly.
#
# This is referenced via AC_REQUIRE([PKG_PROG_PKG_CONFIG] in some macros
# like PKG_CHECK_MODULES. If the first call to such a macro is under an
# "if" statement, it's safer to call PKG_PROG_PKG_CONFIG directly, see
# the comments in acolocal.m4
#
PKG_PROG_PKG_CONFIG
if test -z "$PKG_CONFIG"; then
	AC_MSG_ERROR(I couldn't find pkg-config; make sure it's installed and in your path)
fi

AC_ARG_ENABLE(osx-deploy-target,
  AC_HELP_STRING( [--enable-osx-deploy-target],
    [choose an OS X deployment target @<:@default=major release on which you're building@:>@]),
[
	#
	# Is this OS X?
	#
	case "$host_os" in
	darwin*)
		#
		# Yes.
		#
		# Let the user specify an OS X release to use as a
		# deplayment target; if they specify that we should
		# have a deployment target but don't specify the
		# deployment target, then, if we have SDKs available,
		# pick the OS version on which the build is being done.
		# This also causes the build to be done against an SDK
		# rather than against the headers and libraries in
		# /usr/include and /usr/lib.
		#
		# Check for an OS X deployment target early, so that
		# as many tests using the compiler are done using the
		# flags that we'll be using when building.
		#
		if test $enableval = no
		then
			#
			# The user explicitly said
			# --disable-osx-deploy-target, so don't build
			# against an SDK.
			#
			deploy_target=
		elif test $enableval = yes
		then
			#
			# The user said --enable-osx-deploy-target, but
			# didn't say what version to target; target the
			# major version number of the version of OS X on
			# which we're running.
			#
			# (We quote the command so that we can use
			# autoconf's M4 quoting characters, [ and ], in
			# the sed expression.)
			#
			[deploy_target=`sw_vers -productVersion | sed 's/\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.[0-9]*/\1.\2/'`]
		else
			deploy_target="$enableval"
		fi
		;;

	*)
		#
		# No.  Fail, because whatever the user intended for us to
		# do, we can't do it.
		#
		AC_MSG_ERROR([--enable-osx-deploy-target specified on an OS other than OS X])
		;;
	esac
],[
	#
	# Is this OS X?
	#
	case "$host_os" in
	darwin*)
		#
		# Yes.
		#
		# If we have SDKs available, default to targeting the major
		# version number of the version of OS X on which we're
		# running.
		#
		# (We quote the command so that we can use autoconf's
		# M4 quoting characters, [ and ], in the sed expression.)
		#
		for i in /Developer/SDKs \
		    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs \
		    /Library/Developer/CommandLineTools/SDKs
		do
			if test -d "$i"
			then
				[deploy_target=`sw_vers -productVersion | sed 's/\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.[0-9]*/\1.\2/'`]
				break
			fi
		done
		;;

	*)
		#
		# No.  There's nothing to do.
		#
		;;
	esac
])

if test ! -z "$deploy_target"
then
	AC_MSG_CHECKING([whether we can build for OS X $deploy_target])
	case $deploy_target in

	10.0|10.1|10.2)
		#
		# I'm not sure this would even work.
		#
		AC_MSG_RESULT(no)
		AC_ERROR([We don't support building for OS X $deploy_target])
		;;

	10.3)
		#
		# XXX - never tested.
		#
		AC_MSG_RESULT(yes)
		SDKPATH="/Developer/SDKs/MacOSX10.3.9.sdk"
		;;

	*)
		#
		# Look for the oldest SDK we can find that's
		# for an OS equal to or later than this one.
		#
		# XXX - for 10.4, do we need 10.4u?  We're
		# not currently doing fat builds (we'd need
		# fat versions of the support libraries for
		# that to be useful), but, if we do, we'd
		# need to use 10.4u.
		#

		#
		# Get the real version - strip off the "10.".
		# We'll worry about that if, as, and when there's ever
		# an OS XI.
		#
		deploy_real_version=`echo "$deploy_target" | sed -n 's/10\.\(.*\)/\1/p'`

		#
		# Search each directory that might contain SDKs.
		#
		sdkpath=""
		for sdksdir in /Developer/SDKs \
		    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs \
		    /Library/Developer/CommandLineTools/SDKs
		do
			#
			# Get a list of all the SDKs.
			#
			if ! test -d "$sdksdir"
			then
				#
				# There is no directory with that name.
				# Move on to the next one in the list,
				# if any.
				#
				continue
			fi

			#
			# Get a list of all the SDKs in that directory,
			# if any.
			#
			# We have to use @<:@ for [ and @:>@ for ] to
			# avoid m4 removing the square brackets.
			#
			sdklist=`(cd "$sdksdir"; ls -d MacOSX10.@<:@0-9@:>@*.sdk 2>/dev/null)`

			for sdk in $sdklist
			do
				#
				# Get the real version for this SDK.
				#
				sdk_real_version=`echo "$sdk" | sed -n 's/MacOSX10\.\(.*\)\.sdk/\1/p'`

				#
				# Is it for the deployment target or
				# some later release?
				#
				if test "$sdk_real_version" -ge "$deploy_real_version"
				then
					#
					# Yes, use it.
					#
					sdkpath="$sdksdir/$sdk"
					break 2
				fi
			done
		done
		if test -z "$sdkpath"
		then
			AC_MSG_RESULT(no)
			AC_MSG_ERROR([We couldn't find an SDK for OS X $deploy_target or later])
		fi
		SDKPATH="$sdkpath"
		AC_MSG_RESULT([yes, with the 10.$sdk_real_version SDK])
		;;
	esac

	#
	# Add a -mmacosx-version-min flag to force tests that
	# use the compiler, as well as the build itself, not to,
	# for example, use compiler or linker features not supported
	# by the minimum targeted version of the OS.
	#
	# Add an -isysroot flag to use the SDK.
	#
	CFLAGS="-mmacosx-version-min=$deploy_target -isysroot $SDKPATH $CFLAGS"
	CXXFLAGS="-mmacosx-version-min=$deploy_target -isysroot $SDKPATH $CXXFLAGS"
	LDFLAGS="-mmacosx-version-min=$deploy_target -isysroot $SDKPATH $LDFLAGS"

	#
	# Add a -sdkroot flag to use with osx-app.sh.
	#
	OSX_APP_FLAGS="-sdkroot $SDKPATH"

	#
	# XXX - do we need this to build the Wireshark wrapper?
	# XXX - is this still necessary with the -mmacosx-version-min
	# flag being set?
	#
	OSX_DEPLOY_TARGET="MACOSX_DEPLOYMENT_TARGET=$deploy_target"

	#
	# In the installer package XML file, give the deployment target
	# as the minimum version.
	#
	OSX_MIN_VERSION="$deploy_target"

	case $deploy_target in

	10.4|10.5)
		#
		# Only 32-bit builds are supported.  10.5
		# (and 10.4?) had a bug that causes some BPF
		# functions not to work with 64-bit userland
	        # code, so capturing won't work.
		#
		CFLAGS="-m32 $CFLAGS"
		CXXFLAGS="-m32 $CXXFLAGS"
		LDFLAGS="-m32 $LDFLAGS"
		;;
	esac
else
	#
	# Is this OS X?
	#
	case "$host_os" in
	darwin*)
		#
		# Yes.
		#
		# In the installer package XML file, give the current OS
		# version, minor version and all, as the minimum version.
		# We can't guarantee that the resulting binary will work
		# on older OS versions, not even older minor versions
		# (original release or earlier software updates).
		#
		OSX_MIN_VERSION=`sw_vers -productVersion`
		;;
	esac
fi
AC_SUBST(OSX_MIN_VERSION)

#
# Try to arrange for large file support.
#
AC_SYS_LARGEFILE

#
# Look for math functions; use libm if necessary.
#
AC_SEARCH_LIBS(floor, m)
AC_SEARCH_LIBS(ceil, m)
AC_SEARCH_LIBS(exp, m)
AC_SEARCH_LIBS(log, m)
AC_SEARCH_LIBS(log10, m)
AC_SEARCH_LIBS(floorl, m,
  [
    FLOORL_LO=""
    AC_DEFINE(HAVE_FLOORL, 1, [Define if you have the floorl function.])
  ],
  FLOORL_LO="floorl.lo")
AC_SUBST(FLOORL_LO)


#
# GUI toolkit options
#
AC_ARG_WITH([qt],
  AC_HELP_STRING( [--with-qt=@<:@yes/no@:>@],
                  [use Qt @<:@default=yes@:>@]),
  with_qt="$withval", with_qt="unspecified")

AC_ARG_WITH([gtk2],
  AC_HELP_STRING( [--with-gtk2=@<:@yes/no@:>@],
                  [use GTK+ 2.0 @<:@default=no@:>@]),
  with_gtk2="$withval", with_gtk2="unspecified")

AC_ARG_WITH([gtk3],
  AC_HELP_STRING( [--with-gtk3=@<:@yes/no@:>@],
                  [use GTK+ 3.0 instead of 2.0 @<:@default=yes@:>@]),
  with_gtk3="$withval", with_gtk3="unspecified")

# GnuTLS
# Version 3.0 switched from LGPLv2.1+ to LGPLv3+, then switched back to
# LGPLv2.1+ in version 3.1.10.
# GnuTLS depends on GMP which switched from LGPLv2.1+ to LGPLv3+ in
# version 4.2.2, the switched to LGPLv3+ / GPLv2+ in version 6.0.0.

tls_message="no"
want_gnutls="if_available"
AC_ARG_WITH([gnutls],
  AC_HELP_STRING( [--with-gnutls=@<:@yes/no@:>@],
		  [use GnuTLS library @<:@default=yes, if available@:>@]),
  [ with_gnutls="$withval"; want_gnutls="yes" ], with_gnutls="yes")

if test "x$with_gnutls" = "xyes"; then
  have_license_compatible_gnutls="no"
  PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.1.10 ],
    [ have_license_compatible_gnutls="yes" ], [ echo "GnuTLS >= 3.1.10 not found " ]
  )

  if test "x$have_license_compatible_gnutls" != "xyes"; then
    PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 1.2.0 gnutls < 3],
      [ have_license_compatible_gnutls="yes" ] , [ echo "GnuTLS >= 1.2.0, < 3.0 not found " ]
    )
  fi

  if test "x$have_license_compatible_gnutls" = "xyes"; then
    echo "GnuTLS found, enabling SSL decryption"
    AC_DEFINE(HAVE_LIBGNUTLS, 1, [Define to use GnuTLS library])
    tls_message="yes"
  else
    echo "GnuTLS with compatible license not found, disabling SSL decryption"
    tls_message="no"

    # Error out if the user explicitly requested gnutls
    if test "x$want_gnutls" = "xyes"; then
	AC_MSG_ERROR([GnuTLS crypto library was requested, but is not available])
    fi
  fi
fi

# libgrypt
gcrypt_message="no"
want_gcrypt="if_available"
AC_ARG_WITH([gcrypt],
  AC_HELP_STRING( [--with-gcrypt=@<:@yes/no@:>@],
		  [use gcrypt library @<:@default=yes, if available@:>@]),
  [ with_gcrypt="$withval"; want_gcrypt="yes" ], with_gcrypt="yes")

if test "x$with_gcrypt" = "xyes"; then
  AM_PATH_LIBGCRYPT(1.1.92,
        [
                echo "libgcrypt found, enabling ipsec decryption"
                AC_DEFINE(HAVE_LIBGCRYPT, 1, [Define to use libgcrypt])
                gcrypt_message="yes"
        ]
        , [
                if test x$libgcrypt_config_prefix != x ; then
	                AC_MSG_ERROR([[libgcrypt not found; install libgcrypt-devel package for your system]])
                else
                        echo "libgcrypt not found, disabling ipsec decryption"
                        gcrypt_message="no"
                fi

		# Error out if the user explicitly requested gcrypt
		if test "x$want_gcrypt" = "xyes"; then
		    AC_MSG_ERROR([libgcrypt library was requested, but is not available])
		fi
        ]
  )
fi

AC_ARG_WITH(libnl,
  AC_HELP_STRING([--with-libnl@<:@=VERSION@:>@],
                 [use libnl (force version VERSION, if supplied) @<:@default: yes, if available@:>@]),
[
	if test "x$withval" = "xno"
	then
		want_libnl=no
	elif test "x$withval" = "xyes"
	then
		want_libnl=yes
		libnl_version=any
	elif test "x$withval" = "x1"
	then
		want_libnl=yes
		libnl_version=1
	elif test "x$withval" = "x2"
	then
		want_libnl=yes
		libnl_version=2
	elif test "x$withval" = "x3"
	then
		want_libnl=yes
		libnl_version=3
	else
		AC_MSG_ERROR(["$withval" is not a valid argument to --with-libnl])
	fi
],[
	#
	# Use libnl if it's present, otherwise don't.
	#
	want_libnl=ifavailable
	libnl_version=any
])
#
# Libnl is Linux-specific.
#
libnl_message="no"
case "$host_os" in
linux*)
	AC_MSG_CHECKING(whether to use libnl for various network interface purposes)

	if test x$want_libnl = "xno"; then
		AC_MSG_RESULT(no)
	else
		AC_MSG_RESULT(yes)
		#
		# Test for specific libnl versions only if no version
		# was specified by the user or if the version in question
		# was requested by the user.
		#
		if test x$libnl_version = "xany" -o x$libnl_version = "x3"; then
			PKG_CHECK_MODULES(LIBNL3, [libnl-route-3.0 >= 3.0 libnl-genl-3.0] >= 3.0, [have_libnl3=yes], [have_libnl3=no])
		fi
		if test x$libnl_version = "xany" -o x$libnl_version = "x2"; then
			PKG_CHECK_MODULES(LIBNL2, libnl-2.0 >= 2.0, [have_libnl2=yes], [have_libnl2=no])
		fi
		if test x$libnl_version = "xany" -o x$libnl_version = "x1"; then
			PKG_CHECK_MODULES(LIBNL1, libnl-1 >= 1.0, [have_libnl1=yes], [have_libnl1=no])
		fi
		if (test "${have_libnl3}" = "yes"); then
		        CFLAGS="$CFLAGS $LIBNL3_CFLAGS"
		        LIBS="$LIBS $LIBNL3_LIBS"
			AC_DEFINE(HAVE_LIBNL, 1, [Enable libnl support])
			AC_DEFINE(HAVE_LIBNL3, 1, [libnl version 3])
			libnl_message="yes (v3)"
			enable_airpcap=no
		elif (test "${have_libnl2}" = "yes"); then
		        CFLAGS="$CFLAGS $LIBNL2_CFLAGS"
	        	LIBS="$LIBS $LIBNL2_LIBS"
			AC_DEFINE(HAVE_LIBNL, 1, [Enable libnl support])
			AC_DEFINE(HAVE_LIBNL2, 1, [libnl version 2])
			libnl_message="yes (v2)"
			enable_airpcap=no
		elif (test "${have_libnl1}" = "yes"); then
	        	CFLAGS="$CFLAGS $LIBNL1_CFLAGS"
		        LIBS="$LIBS $LIBNL1_LIBS"
			AC_DEFINE(HAVE_LIBNL, 1, [Enable libnl support])
			AC_DEFINE(HAVE_LIBNL1, 1, [libnl version 1])
			libnl_message="yes (v1)"
			enable_airpcap=no
		else
			if test x$want_libnl = "xyes"; then
				case "$libnl_version" in

				any)
					AC_MSG_ERROR("I couldn't find libnl even though you manually enabled it.")
					;;

				*)
					AC_MSG_ERROR("I couldn't find libnl version $libnl_version even though you manually enabled it.")
					;;
				esac
			fi
		fi
	fi

	AC_MSG_CHECKING([if nl80211.h is new enough])
	  AC_TRY_COMPILE([#include <linux/nl80211.h>],
	    [int x = NL80211_FREQUENCY_ATTR_MAX_TX_POWER;
	     x |= NL80211_ATTR_SUPPORTED_IFTYPES;
	     x |= NL80211_ATTR_SUPPORTED_COMMANDS;
	     x |= NL80211_ATTR_WIPHY_FREQ;
	     x |= NL80211_CHAN_NO_HT;
	     (void)x;],
	    [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_NL80211, 1, [nl80211.h is new enough])],
	    [AC_MSG_RESULT(no)])

	AC_MSG_CHECKING([for NL80211_SET_CHANNEL])
	  AC_TRY_COMPILE([#include <linux/nl80211.h>],
	    [enum nl80211_commands x = NL80211_CMD_SET_CHANNEL;],
	    [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_NL80211_CMD_SET_CHANNEL, 1, [SET_CHANNEL is supported])],
	    [AC_MSG_RESULT(no)])

	AC_MSG_CHECKING([for NL80211_SPLIT_WIPHY_DUMP])
	  AC_TRY_COMPILE([#include <linux/nl80211.h>],
	    [enum nl80211_protocol_features x = NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP;],
	    [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_NL80211_SPLIT_WIPHY_DUMP, 1, [SPLIT_WIPHY_DUMP is supported])],
	    [AC_MSG_RESULT(no)])
	;;

*)
	if test x$want_libnl != "xno" -a x$want_libnl != "xifavailable"; then
		AC_MSG_WARN([libnl is Linux-specific, ignoring --with-libnl])
	fi
esac

# libsmi
# FIXME: currently the path argument to with-libsmi is being ignored
AX_LIBSMI

#
# Check for programs used when building DocBook documentation.
#

# Check for a2x (convert asciidoc to another format)
AC_PATH_PROG(A2X, a2x)
AC_CHECK_PROG(HAVE_A2X, a2x, "yes", "no")
AM_CONDITIONAL(HAVE_A2X, test x$HAVE_A2X = xyes)

# Want to control a tape drive? Use mt. Want to convert HTML to text?
# Uhhhhh... elinks? lynx? w3m? pandoc? html2text?
AC_PATH_PROG(ELINKS, elinks)
AC_CHECK_PROG(HAVE_ELINKS, elinks, "yes", "no")
AM_CONDITIONAL(HAVE_ELINKS, test x$HAVE_ELINKS = xyes)

# Check for fop (translate .fo to e.g. pdf)
AC_PATH_PROG(FOP, fop)
AC_CHECK_PROG(HAVE_FOP, fop, "yes", "no")
AM_CONDITIONAL(HAVE_FOP, test x$HAVE_FOP = xyes)

# Check for lynx (html -> text)
AC_PATH_PROG(LYNX, lynx)
AC_CHECK_PROG(HAVE_LYNX, lynx, "yes", "no")
AM_CONDITIONAL(HAVE_LYNX, test x$HAVE_LYNX = xyes)

# Check for w3m (html -> text)
AC_PATH_PROG(W3M, w3m)
AC_CHECK_PROG(HAVE_W3M, w3m, "yes", "no")
AM_CONDITIONAL(HAVE_W3M, test x$HAVE_W3M = xyes)

# Check for xmllint
AC_PATH_PROG(XMLLINT, xmllint)
AC_CHECK_PROG(HAVE_XMLLINT, xmllint, "yes", "no")
AM_CONDITIONAL(HAVE_XMLLINT, test x$HAVE_XMLLINT = xyes)

# Check for xsltproc
AC_PATH_PROG(XSLTPROC, xsltproc)
AC_CHECK_PROG(HAVE_XSLTPROC, xsltproc, "yes", "no")
AM_CONDITIONAL(HAVE_XSLTPROC, test x$HAVE_XSLTPROC = xyes)


# Check for packaging utilities
# For now, we check to see if the various packaging utilites are in our
# path.  I'm too lazy to write code to go hunt for them.  -  Gerald

#
# Source packages.
# (Lets you install the desktop files.)
#
AC_PATH_PROG(DESKTOP_FILE_INSTALL, desktop-file-install)

# SVR4/Solaris
AC_CHECK_PROG(HAVE_PKGPROTO, pkgproto, "yes", "no")
AC_CHECK_PROG(HAVE_PKGMK, pkgmk, "yes", "no")
AC_CHECK_PROG(HAVE_PKGTRANS, pkgtrans, "yes", "no")

if test x$HAVE_PKGPROTO = xyes -a x$HAVE_PKGMK = xyes \
     -a x$HAVE_PKGTRANS = xyes ; then
  HAVE_SVR4_PACKAGING=yes
else
  HAVE_SVR4_PACKAGING=no
fi
AC_SUBST(HAVE_SVR4_PACKAGING)

# RPM
AC_WIRESHARK_RPM_CHECK
AC_SUBST(HAVE_RPM)

# Debian
AC_CHECK_PROG(HAVE_DPKG_BUILDPACKAGE, dpkg-buildpackage, "yes", "no")

# Mac OS X
AC_CHECK_PROG(HAVE_XCODEBUILD, xcodebuild, "yes", "no")
AC_CHECK_PROG(HAVE_HDIUTIL, hdiutil, "yes", "no")
AC_CHECK_PROG(HAVE_BLESS, bless, "yes", "no")

if test x$HAVE_XCODEBUILD = xyes -a x$HAVE_HDIUTIL = xyes \
     -a x$HAVE_BLESS = xyes ; then
  HAVE_OSX_PACKAGING=yes
else
  HAVE_OSX_PACKAGING=no
fi
AC_SUBST(HAVE_OSX_PACKAGING)

#
# Use this as a proxy for "is this OS X" (just in case somebody actually
# built and installed Darwin as an OS, perhaps with some X11-based GUI,
# don't look for Darwin).
#
AC_CHECK_PROG(have_sw_vers, sw_vers, "yes", "no")
AM_CONDITIONAL(NOT_OS_X, test "x$have_sw_vers" = "xno")

#
# Some compilers have to be told to fail when passed an unknown -W flag;
# make sure we do that.
#
AC_WIRESHARK_CHECK_UNKNOWN_WARNING_OPTION_ERROR

#
# Some C++ compilers have to be told to fail when passed a -W flag that
# they don't think should apply to C++; make sure we do that.
#
AC_WIRESHARK_CHECK_NON_CXX_WARNING_OPTION_ERROR

#
# Try to add some additional checks to CFLAGS.
# These are not enabled by default, because the warnings they produce
# are very hard or impossible to eliminate.
#
AC_ARG_ENABLE(extra-compiler-warnings,
  AC_HELP_STRING( [--enable-extra-compiler-warnings],
		  [do additional compiler warnings @<:@default=no@:>@]),
[
	wireshark_extra_flags=$enableval
	if test $enableval != no
	then
		#
		# The following are for C and C++
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wpedantic)
		#
		# Various code blocks this one.
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Woverflow)
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fstrict-overflow -Wstrict-overflow=4)
		#
		# Due to various places where APIs we don't control
		# require us to cast away constness, we can probably
		# never enable this one with -Werror.
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wcast-qual)
		#
		# Some generated ASN.1 dissectors block this one;
		# multiple function declarations for the same
		# function are being generated.
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wredundant-decls)
		#
		# Some loops are safe, but it's hard to convince the
		# compiler of that.
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wunsafe-loop-optimizations)
		#
		# All the registration functions block these for now.
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wmissing-prototypes)
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wmissing-declarations)
		#
		# A bunch of "that might not work on SPARC" code blocks
		# this one for now.
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wcast-align)
		#
		# Works only with Clang
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wunreachable-code)
		#
		# Works only with Clang but generates a lot of warnings
		# (about glib library not using Doxygen)
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wdocumentation)

		#
		# The following are C only, not C++
		#
		# Due to various places where APIs we don't control
		# require us to cast away constness, we can probably
		# never enable this one with -Werror.
		#
		AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wbad-function-cast, C)
	fi
],)

# Try to add ASAN address analyze.
# Only needed for analyse
#
AC_ARG_ENABLE(asan,
  AC_HELP_STRING( [--enable-asan],
                  [Enable AddressSanitizer (ASAN) for debugging (May be slow down)@<:@default=no@:>@]),
[
        #
        # With Clang >= 3.5 Leak detection is enable by default
        # and no yet all leak is fixed...
        # use ASAN_OPTIONS=detect_leaks=0 to disable detect_leaks
        #
        AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fsanitize=address)

],)



#
# The following are for C and C++
#
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wall -W) # -W is now known as -Wextra
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wextra) # -W is now known as -Wextra
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wendif-labels)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wpointer-arith)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Warray-bounds)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wformat-security)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fwrapv)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fno-strict-overflow)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fno-delete-null-pointer-checks)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wvla)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Waddress)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wattributes)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wdiv-by-zero)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wignored-qualifiers)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wpragmas)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wno-overlength-strings)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wwrite-strings)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wno-long-long)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wheader-guard)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wunused-const-variable)
#
# The following are C only, not C++
#
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wc++-compat, C)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wdeclaration-after-statement, C)

#
# XXX - OK for C++?
#
# Make sure -Wshadow doesn't complain about variables in function and
# function pointer declarations shadowing other variables; if not, don't
# turn it on, as some versions of GCC (including the one in at least
# some Xcode versions that came with Mac OS X 10.5) complain about
# that.
#
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wshadow, C,
  [
extern int bar(int a);
extern int foo(int);

int
foo(int a)
{
	int (*fptr)(int a) = bar;

	return fptr(a) * 2;
}
  ],
  [warns about variables in function declarations shadowing other variables])

AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wno-pointer-sign, C)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wold-style-definition, C)
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wstrict-prototypes, C)

# Unfortunately some versions of gcc generate logical-op warnings when strchr()
# is given a constant string.
# gcc versions 4.3.2 and 4.4.5 are known to have the problem.
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wlogical-op, C,
  [
#include <string.h>

int foo(const char *, int);
int bar(void);

int
foo(const char *sep, int c)
{
	if (strchr (sep, c) != NULL)
		return 1;
	else
		return 0;
}

int
bar(void)
{
	return foo("<", 'a');
}
  ],
  [generates warnings from strchr()])

AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wjump-misses-init, C)
# The Qt headers generate a ton of shortening errors on 64-bit systems
# so only enable this for C for now.
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wshorten-64-to-32, C)

#
# Use the faster pre gcc 4.5 floating point precision if available.
#
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fexcess-precision=fast)

#
# Try to have the compiler default to hiding symbols, so that only
# symbols explicitly exported with WS_DLL_PUBLIC will be visible
# outside (shared) libraries; that way, more UN*X builds will catch
# failures to export symbols, rather than having that fail only on
# Windows.
#
CFLAGS_before_fvhidden="$CFLAGS"
#
# GCC and GCC-compatible compilers
#
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fvisibility=hidden)
if test "x$CFLAGS" = "x$CFLAGS_before_fvhidden"
then
	#
	# Sun^WOracle C.
	#
	AC_WIRESHARK_COMPILER_FLAGS_CHECK(-xldscope=hidden)
	if test "x$CFLAGS" = "x$CFLAGS_before_fvhidden"
	then
		# TODO add other ways of hiding symbols
		AC_MSG_WARN(Compiler will export all symbols from shared libraries)
	fi
fi

AC_WIRESHARK_LDFLAGS_CHECK([-Wl,--as-needed])
###AC_WIRESHARK_LDFLAGS_CHECK([-Wl,-M])
###AC_WIRESHARK_LDFLAGS_CHECK([-Wl,--cref])
# AC_WIRESHARK_LDFLAGS_CHECK([-flto])
# AC_WIRESHARK_LDFLAGS_CHECK([-fwhopr])
# AC_WIRESHARK_LDFLAGS_CHECK([-fwhole-program])

#
# Put -fPIE in PIE_CFLAGS and -pie in PIE_LDFLAGS if we can use them,
# so that we can build dumpcap PIE - it may run with elevated
# privileges, and using PIE means the OS can run it at random locations
# in the address space to make attacks more difficult.
#
CFLAGS_before_pie="$CFLAGS"
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-fPIE)
if test "x$CFLAGS" != "x$CFLAGS_before_pie"
then
	# Restore CFLAGS
	CFLAGS="$CFLAGS_before_pie"

	LDFLAGS_before_pie="$LDFLAGS"
	AC_WIRESHARK_LDFLAGS_CHECK([-fPIE -pie])
	if test "x$LDFLAGS" != "x$LDFLAGS_before_pie"
	then
		# We can use PIE
		PIE_CFLAGS="-fPIE"
		PIE_LDFLAGS="-pie"

		# Restore LDFLAGS
		LDFLAGS="$LDFLAGS_before_pie"
	fi

fi
AC_SUBST(PIE_CFLAGS)
AC_SUBST(PIE_LDFLAGS)

CFLAGS_before_simd="$CFLAGS"
AC_WIRESHARK_COMPILER_FLAGS_CHECK(-msse4.2, C)
if test "x$CFLAGS" != "x$CFLAGS_before_simd"
then
	#
	# The compiler supports -msse4.2; use that to enable SSE 4.2.
	#
	# Restore CFLAGS.  We only want to apply -msse4.2 to
	# wsutil/ws_mempbrk_sse42.c, as the SSE4.2 code there
	# is run only if the hardware supports it, but other
	# code would do no such checks.
	#
	CFLAGS="$CFLAGS_before_simd"
	ac_sse4_2_flag=-msse4.2
else
	#
	# Try -xarch=sse4_2; that's the flag for Sun's compiler.
	#
	AC_WIRESHARK_COMPILER_FLAGS_CHECK(-xarch=sse4_2, C)
	if test "x$CFLAGS" != "x$CFLAGS_before_simd"
	then
		#
		# The compiler supports -xarch=sse4_2; use that to
		# enable SSE 4.2.
		#
		# Restore CFLAGS; see above.
		#
		CFLAGS="$CFLAGS_before_simd"
		ac_sse4_2_flag=-xarch=sse4_2
	fi
fi

if test "x$ac_sse4_2_flag" != x; then
	#
	# OK, we have a compiler flag to enable SSE 4.2.
	#
	# Make sure we have the necessary headers for the SSE4.2 intrinsics
	# and that we can use them.
	#
	# First, check whether we have emmintrin.h and can use it
	# *without* the SSE 4.2 flag.
	#
	AC_MSG_CHECKING([whether there is emmintrin.h header and we can use it])
	AC_TRY_COMPILE(
		[#include <emmintrin.h>],
		[return 0;],
		[
		        emmintrin_h_works=yes
		        AC_MSG_RESULT([yes])
		],
		[
			emmintrin_h_works=no
		        AC_MSG_RESULT([no])
		]
	)

	#
	# OK, if that works, see whether we have nmmintrin.h and
	# can use it *with* the SSE 4.2 flag.
	#
	if test "x$emmintrin_h_works" = "xyes"; then
		#
		# Add the SSE4.2 flags to the beginning of CFLAGS,
		# in case the user explicitly specified -mno-sse4.2
		# (or in case Gentoo's build tools did so); if they
		# did so, we only want this to work if we can use
		# the #pragma to override that for ws_mempbrk_sse42.c,
		# and putting it at the beginning means that the
		# CFLAGS setting in the environment will come later
		# and override it.
		#
		AC_MSG_CHECKING([whether there is nmmintrin.h header and we can use it])
		saved_CFLAGS="$CFLAGS"
		CFLAGS="$ac_sse4_2_flag $CFLAGS"
		AC_TRY_COMPILE(
			[#include <nmmintrin.h>],
			[return 0;],
			[
				have_sse42=yes
				AC_DEFINE(HAVE_SSE4_2, 1, [Support SSSE4.2 (Streaming SIMD Extensions 4.2) instructions])
				CFLAGS_SSE42="$ac_sse4_2_flag"
				AC_MSG_RESULT([yes])
			],
			[
				have_sse42=no
				AC_MSG_RESULT([no])
			]
		)
		CFLAGS="$saved_CFLAGS"
	else
		have_sse42=no
	fi
else
	have_sse42=no
fi
dnl build libwsutil_sse42 only if there is SSE4.2
AM_CONDITIONAL(SSE42_SUPPORTED, test "x$have_sse42" = "xyes")
AC_SUBST(CFLAGS_SSE42)

#
# If we're running GCC or clang define _U_ to be "__attribute__((unused))"
# so we can use _U_ to flag unused function parameters and not get warnings
# about them. Otherwise, define _U_ to be an empty string so that _U_ used
# to flag an unused function parameters will compile with other compilers.
#
# XXX - similar hints for other compilers?
#
if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
  AC_DEFINE(_U_, __attribute__((unused)), [Hint to the compiler that a function parameters is not used])
else
  AC_DEFINE(_U_, , [Hint to the compiler that a function parameters is not used])
fi

# If we're running GCC or CLang, use FORTIFY_SOURCE=2
#  (only if the GCC 'optimization level' > 0).
#
# See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
# See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
#
# Note: FORTIFY_SOURCE is only effective for gcc optimization level > 0 (-O1, etc)
AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK

#
# If the compiler supports GCC-style flags, enable a barrier "stop on
# warning".
# This barrier is set for a very large part of the code. However, it is
# typically not set for "generated" code  (flex, ans2wrs, idl2wrs, ...)
#
warnings_as_errors_default="yes"
AC_MSG_CHECKING(whether we should treat compiler warnings as errors)
AC_ARG_ENABLE(warnings-as-errors,
  AC_HELP_STRING( [--enable-warnings-as-errors],
		  [treat warnings as errors (only for GCC or clang) @<:@default=yes, unless extra compiler warnings are enabled@:>@]),
[
  if test "x$ac_supports_gcc_flags" = "xyes" -a "x$enableval" = "xyes"; then
    with_warnings_as_errors="yes"
    AC_MSG_RESULT(yes)
  else
    with_warnings_as_errors="no"
    AC_MSG_RESULT(no)
  fi
],
[
  if test "x$ac_supports_gcc_flags" = "xyes" -a "x$wireshark_extra_flags" = "x" -a "x$warnings_as_errors_default" = "xyes"; then
    with_warnings_as_errors="yes"
    AC_MSG_RESULT(yes)
  else
    with_warnings_as_errors="no"
    AC_MSG_RESULT(no)
  fi
]
)
AM_CONDITIONAL(HAVE_WARNINGS_AS_ERRORS, test "x$with_warnings_as_errors" = "xyes")

#
# Add any platform-specific compiler flags needed.
#
AC_MSG_CHECKING(for platform-specific compiler flags)
if test "x$GCC" = "xyes" ; then
	#
	# GCC - do any platform-specific tweaking necessary.
	#
	case "$host_os" in
	solaris*)
		# the X11 headers don't automatically include prototype info
		# and a lot don't include the return type
		CPPFLAGS="$CPPFLAGS -DFUNCPROTO=15"
		CFLAGS="$CFLAGS -Wno-return-type"
		CXXFLAGS="$CXXFLAGS -Wno-return-type"
		AC_MSG_RESULT(GCC on Solaris - added -Wno-return-type -DFUNCPROTO=15)
		;;
	*)
		AC_MSG_RESULT(none needed)
		;;
	esac
else
	#
	# Not GCC - assume it's the vendor's compiler.
	#
	case "$host_os" in
	hpux*)
		#
		# HP's ANSI C compiler; flags suggested by Jost Martin.
		# "-Ae" for ANSI C plus extensions such as "long long".
		# "+O2", for optimization.  XXX - works with "-g"?
		#
		# HP's ANSI C++ compiler doesn't support "-Ae", but
		# does support "+O2", at least according to the
		# documentation I can find online.
		#
		CFLAGS="-Ae +O2 $CFLAGS"
		CFLAGS_FOR_BUILD="-Ae +O2 $CFLAGS"
		CXXFLAGS="+O2 $CFLAGS"
		AC_MSG_RESULT(HP ANSI C compiler - added -Ae +O2)
		;;
	*)
		AC_MSG_RESULT(none needed)
		;;
	esac
fi

#
# Add any platform-specific linker flags needed.
#
AC_MSG_CHECKING(for platform-specific linker flags)
case "$host_os" in
darwin*)
	#
	# Add -Wl,-single_module to the LDFLAGS used with shared
	# libraries, to fix some error that show up in some cases;
	# some Apple documentation recommends it for most shared
	# libraries.
	#
	LDFLAGS_SHAREDLIB="-Wl,-single_module"
	#
	# Add -Wl,-headerpad_max_install_names to the LDFLAGS, as
	# code-signing issues is running out of padding space.
	#
	# Add -Wl,-search_paths_first to make sure that if we search
	# directories A and B, in that order, for a given library, a
	# non-shared version in directory A, rather than a shared
	# version in directory B, is chosen (so we can use
	# --with-pcap=/usr/local to force all programs to be linked
	# with a static version installed in /usr/local/lib rather than
	# the system version in /usr/lib).
	#
	# Also add -Wl,-rpath,@executable_path/../lib and
	# -Wl,-rpath,/usr/local/lib, so that, if we build an app
	# bundle, we can tweak all the executable images, shared
	# libraries, and plugins in the bundle to look for non-system
	# libraries in the rpath, rather than having a script tweak
	# DYLD_LIBRARY_PATH.
	#
	LDFLAGS="-Wl,-headerpad_max_install_names -Wl,-search_paths_first -Wl,-rpath,@executable_path/../lib -Wl,-rpath,@executable_path/../Frameworks -Wl,-rpath,/usr/local/lib $LDFLAGS"
	AC_MSG_RESULT([Apple linker - added -Wl,-single_module to shared library linker flags and -Wl,-headerpad_max_install_names -Wl,-search_paths_first and rpaths to all linker flags])
	;;
cygwin*)
	#
	# Shared libraries in cygwin/Win32 must never contain
	# undefined symbols.
	#
	LDFLAGS="$LDFLAGS -no-undefined"
	AC_MSG_RESULT(CygWin GNU ld - added -no-undefined)
	;;
*)
	AC_MSG_RESULT(none needed)
	;;
esac
AC_SUBST(LDFLAGS_SHAREDLIB)

# Enable silent builds by default
# Verbose builds can be enabled with "./configure
# --enable-silent-rules ..." or "make V=1 ..."
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
  [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])

#
# On "Darwin", which we assume to mean "OS X" rather than "iOS" or
# "just Darwin" (as we don't currently support iOS, and as I don't
# think you can build and run "just Darwin" as an OS for PCs), we
# arrange to build some programs with Application Services so they
# can launch Web browsers and Finder windows, arrange to build some
# programs with System Configuration so they can get "friendly names"
# and other information about interfaces, and build any programs that
# use either of those frameworks or that report version information
# with Core Foundation as the frameworks in question use it and as we
# get version information from plists and thus need Core Foundation
# to process those plists.
#
case "$host_os" in

darwin*)
	AC_DEFINE(HAVE_OS_X_FRAMEWORKS, 1, [Define to 1 if you have OS X frameworks])
	APPLICATIONSERVICES_FRAMEWORKS="-framework ApplicationServices"
	SYSTEMCONFIGURATION_FRAMEWORKS="-framework SystemConfiguration"
	COREFOUNDATION_FRAMEWORKS="-framework CoreFoundation"

	#
	# OK, so we have the OS X frameworks; do they include
	# CFPropertyListCreateWithStream, or do we have
	# to fall back on CFPropertyListCreateFromStream?
	# (They only differ in the error return, which we
	# don't care about.  And, no, we shouldn't just
	# use CFPropertyListCreateFromStream, because it's
	# deprecated in newer releases.)
	#
	ac_save_LIBS="$LIBS"
	LIBS="$LIBS $COREFOUNDATION_FRAMEWORKS"
	AC_CHECK_FUNCS(CFPropertyListCreateWithStream)
	LIBS="$ac_save_LIBS"
	;;
esac
AC_SUBST(APPLICATIONSERVICES_FRAMEWORKS)
AC_SUBST(SYSTEMCONFIGURATION_FRAMEWORKS)
AC_SUBST(COREFOUNDATION_FRAMEWORKS)

#
# On Solaris, check whether we have getexecname().
#
case "$host_os" in
solaris*)
	AC_CHECK_FUNC(getexecname)
	;;
esac

dnl Look in /usr/local for header files and libraries ?
dnl XXX FIXME don't include /usr/local if it is already in the system
dnl search path as this causes gcc 3.2 on Linux to complain about a change
dnl of the system search order for includes
AC_ARG_ENABLE(usr-local,
  AC_HELP_STRING( [--enable-usr-local],
                  [look for headers and libs in /usr/local tree @<:@default=yes@:>@]),
    ac_cv_enable_usr_local=$enableval,ac_cv_enable_usr_local=yes)

AC_MSG_CHECKING(whether to use /usr/local for headers and libraries)
if test "x$ac_cv_enable_usr_local" = "xyes" ; then
	if test -d "/usr/local"; then
		AC_MSG_RESULT(yes)
		#
		# Arrange that we search for header files in the source directory
		# and in its "wiretap" subdirectory, as well as in "/usr/local/include",
		# as various packages we use ("libpcap", "zlib", "adns")
		# may have been installed under "/usr/local/include".
		#
		CPPFLAGS="$CPPFLAGS -I/usr/local/include"

		#
		# Arrange that we search for libraries in "/usr/local/lib".
		#
		AC_WIRESHARK_ADD_DASH_L(LDFLAGS, /usr/local/lib)
	else
		AC_MSG_RESULT(no)
	fi
else
	AC_MSG_RESULT(no)
fi

#
# If we're running Solaris, and LD_LIBRARY_PATH is defined, add it as a
# link directory.
#
case "$host_os" in
  solaris*)
    AC_MSG_CHECKING(for LD_LIBRARY_PATH, since you appear to be running Solaris)
    if test x$LD_LIBRARY_PATH != x ; then
      LIBS="$LIBS -R$LD_LIBRARY_PATH"
      AC_MSG_RESULT(yes -- added LD_LIBRARY_PATH to run-time linker path)
    else
      AC_MSG_RESULT(no -- this may be a problem in a few seconds)
    fi
  ;;
esac

#
# Check for versions of "sed" inadequate to handle, in libtool, a list
# of object files as large as the list in Wireshark.
#
# On Solaris, we check for "/bin/sed", "/usr/bin/sed", and "/usr/ucb/sed",
# as both "/usr/bin/sed" (which is also "/bin/sed", as "/bin" is just a
# symlink to "/usr/bin", but people may have "/bin" before "/usr/bin" in
# their search path) and "/usr/ucb/sed" are inadequate; "/usr/xpg4/bin/sed"
# is the only "sed" that comes with Solaris that can handle Wireshark.
#
# Add any checks here that are necessary for other OSes.
#
AC_PATH_PROG(SED, sed)
if test "x$SED" = x
then
	AC_MSG_ERROR(I couldn't find sed; make sure it's installed and in your path)
fi
AC_WIRESHARK_GNU_SED_CHECK
if test "$HAVE_GNU_SED" = no ; then
	case "$host_os" in
	solaris*)
		AC_MSG_CHECKING(whether one of /usr/bin/sed or /bin/sed or /usr/ucb/sed will be used)
		case `which sed` in
			/bin/sed|/usr/bin/sed|/usr/ucb/sed)
			AC_MSG_RESULT(yes)
			AC_MSG_ERROR([change your path to search /usr/xpg4/bin or directory containing GNU sed before /usr/bin (and /bin and /usr/ucb)])
			;;

			*)
			AC_MSG_RESULT(no)
			;;
		esac
		;;

	*)
		:
		;;
	esac
fi

# Enable/disable wireshark
AC_ARG_ENABLE(wireshark,
  AC_HELP_STRING( [--enable-wireshark],
                  [build the Wireshark GUI (with Gtk+, Qt, or both) @<:@default=yes@:>@]),
    enable_wireshark=$enableval,enable_wireshark=yes)
AM_CONDITIONAL(BUILDING_WIRESHARK, test x$enable_wireshark = xyes)

AC_ARG_ENABLE(packet-editor,
  AC_HELP_STRING( [--enable-packet-editor],
                  [add support for packet editor in Wireshark @<:@default=yes@:>@]),
    enable_packet_editor=$enableval,enable_packet_editor=yes)
if test x$enable_packet_editor = xyes; then
	AC_DEFINE(WANT_PACKET_EDITOR, 1, [Support for packet editor])
fi

AC_ARG_ENABLE(profile-build,
  AC_HELP_STRING( [--enable-profile-build],
		  [build profile-ready binaries @<:@default=no@:>@]),
    enable_profile_build=$enableval,enable_profile_build=no)
AM_CONDITIONAL(USE_PROFILE_BUILD, test x$enable_profile_build = xyes)
AC_MSG_CHECKING(if profile builds must be generated)
if test "x$enable_profile_build" = "xyes" ; then
	if test "x$GCC" = "xyes" -o "x$CLANG" = "xyes" ; then
		AC_MSG_RESULT(yes)
		CFLAGS=" -pg $CFLAGS"
		CXXFLAGS=" -pg $CXXFLAGS"
	else
		AC_MSG_RESULT(no)
		echo "Building profile binaries currently only supported for GCC and clang."
	fi
else
	AC_MSG_RESULT(no)
fi

# Create DATAFILE_DIR #define for config.h
datafiledir=$datadir/wireshark
datafiledir=`(
    test "x$prefix" = xNONE && prefix=$ac_default_prefix
    test "x$exec_prefix" = xNONE && exec_prefix=${prefix}
    # Ugly hack, but I don't see how this problem can be solved
    # properly that DATAFILE_DIR had a value starting with
    # "${prefix}/" instead of e.g. "/usr/local/"
    eval eval echo "$datafiledir"
)`
AC_DEFINE_UNQUOTED(DATAFILE_DIR,"$datafiledir", [Directory for data])

# Create DOC_DIR #define for config.h
docdir=`(
    test "x$prefix" = xNONE && prefix=$ac_default_prefix
    test "x$exec_prefix" = xNONE && exec_prefix=${prefix}
    # Ugly hack, but I don't see how this problem can be solved
    # properly that DOC_DIR had a value starting with
    # "${prefix}/" instead of e.g. "/usr/local/"
    eval eval echo "$docdir"
)`
AC_DEFINE_UNQUOTED(DOC_DIR, "$docdir", [Directory for docs])

GTK2_MIN_VERSION=2.12.0
AC_SUBST(GTK2_MIN_VERSION)
GTK3_MIN_VERSION=3.0.0
AC_SUBST(GTK3_MIN_VERSION)
QT_MIN_VERSION=4.6.0
AC_SUBST(QT_MIN_VERSION)
# GTK+ and Qt checks; we require GTK+ $GTK2_MIN_VERSION or later or
# GTK3_MIN_VERSION or later or Qt $QT_MIN_VERSION or later.
#
# We only do those if we're going to be building Wireshark;
# otherwise, we don't have any GUI to build, so we don't use
# GTK+ or Qt.
#
# We don't add $GTK_LIBS or $Qt_LIBS to LIBS, because we don't want to
# force all programs to be built with GTK+ or Qt.
#
# Release dates for GTK+ versions:
# http://en.wikipedia.org/wiki/GTK+#Releases
# 2.12.0: 14 Sep 2007
# 2.14.0: 04 Sep 2008
# 2.16.0: 13 Mar 2009
# 2.18.0: 23 Sep 2009
# 2.20.0: 23 Mar 2010
# 2.22.0: 23 Sep 2010
# 2.24.0: 30 Jan 2011
# 3.0.0:  10 Feb 2011
# 3.2.0:  25 Sep 2011
# 3.4.0:  26 Mar 2012
# 3.6.0:  24 Sep 2012
# 3.8.0:  25 Mar 2013
# 3.10.0: 23 Sep 2013
# 3.12.0: 25 Mar 2014
#
# Release dates for Qt versions:
# http://en.wikipedia.org/wiki/List_of_Qt_releases
# 4.6.0:  01 Dec 2009
# 4.7.0:  21 Sep 2010
# 4.8.0:  15 Dec 2011
# 5.0.0:  19 Dec 2012
# 5.1.0:  03 Jul 2013
# 5.2.0:  12 Dec 2013
# 5.3.0:  20 May 2014

have_qt=no
have_gtk=no
if test "x$enable_wireshark" = "xyes"; then
	if test "x$with_gtk2" = "xunspecified" -a \
		"x$with_gtk3" = "xunspecified" -a \
		"x$with_qt" = "xunspecified"; then
		#
		# No GUI toolkit was explicitly specified; pick Qt and GTK+ 3.
		#
		with_qt=yes
		with_gtk3=yes
	fi
	if test "x$with_qt" = "xyes"; then
		#
		# Qt was specified; Make sure we have a C++ compiler.
		#
		if test -z "$CXX"; then
			AC_MSG_ERROR(Need a working C++ compiler to build Wireshark with Qt)
		fi

		#
		# Now make sure we have Qt and, if so, add the flags
		# for it to CFLAGS and CXXFLAGS.
		#
		AC_WIRESHARK_QT_CHECK($QT_MIN_VERSION,
		[
			CFLAGS="$CFLAGS $Qt_CFLAGS"
			CXXFLAGS="$CXXFLAGS $Qt_CFLAGS"
			have_qt=yes
			GUI_CONFIGURE_FLAGS="$GUI_CONFIGURE_FLAGS --with-qt"
		],
		[AC_MSG_ERROR([Qt is not available])])

		#
		# XXX - greasy hack to make ui/gtk/recent.c
		# compile.
		#
		CPPFLAGS="-DQT_GUI_LIB"
	fi

	if test "x$with_gtk3" = "xyes"; then
		#
		# GTK+ 3 was specified; make sure they didn't also
		# specify GTK+ 2, as we don't support building both
		# GTK+ 2 and GTK+ 3 versions at the same time.
		#
		if test "x$with_gtk2" = "xyes"; then
			AC_MSG_ERROR([Both GTK+ 2 and GTK+ 3 were specified; choose one but not both])
		fi

		#
		# Make sure we have GTK+ 3.
		#
		AM_PATH_GTK_3_0(3.0.0,
		[
			CFLAGS="$CFLAGS $GTK_CFLAGS"
			CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
			have_gtk=yes
			GUI_CONFIGURE_FLAGS="$GUI_CONFIGURE_FLAGS --with-gtk3"
		],
		[AC_MSG_ERROR([GTK+ 3 is not available])])
	elif test "x$with_gtk2" = "xyes"; then
		#
		# GTK+ 3 wasn't specified, and GTK+ 2 was specified;
		# make sure we have GTK+ 2.
		#
		AM_PATH_GTK_2_0($GTK2_MIN_VERSION,
		[
			CFLAGS="$CFLAGS $GTK_CFLAGS"
			CXXFLAGS="$CXXFLAGS $GTK_CFLAGS"
			have_gtk=yes
			GUI_CONFIGURE_FLAGS="$GUI_CONFIGURE_FLAGS --with-gtk2"
		],
		[AC_MSG_ERROR([GTK+ 2 is not available])])
	fi
fi
AC_SUBST(GUI_CONFIGURE_FLAGS)

GLIB_MIN_VERSION=2.16.0
AC_SUBST(GLIB_MIN_VERSION)
# GLib checks; we require GLib $GLIB_MIN_VERSION or later, and require gmodule
# support, as we need that for dynamically loading plugins.
# If we found GTK+, this doesn't add GLIB_CFLAGS to CFLAGS, because
# AM_PATH_GTK will add GTK_CFLAGS to CFLAGS, and GTK_CFLAGS is a
# superset of GLIB_CFLAGS.  If we didn't find GTK+, it does add
# GLIB_CFLAGS to CFLAGS.
# However, this means that both @GLIB_LIBS@ and @GTK_LIBS@ will be
# set when generating the Makefile, so we can make programs that require
# only GLib link with @GLIB_LIBS@ and make programs that require GTK+
# link with @GTK_LIBS@ (which includes @GLIB_LIBS@).
# We don't add $GLIB_LIBS to LIBS, because we don't want to force all
# programs to be built with GLib.
#
# Release dates for GLib versions:
# 2.14.0: 03 Aug 2007
# 2.16.0: 10 Mar 2008
# 2.18.0: 02 Sep 2008
# 2.20.0: 13 Mar 2009
# 2.22.0: 22 Sep 2009
# 2.24.0: 28 Mar 2010
# 2.26.0: 27 Sep 2010
# 2.28.0: 08 Feb 2011
# 2.30.0: 27 Sep 2011
# 2.32.0: 24 Mar 2012
# 2.34.0: 24 Sep 2012
# 2.36.0: 25 Mar 2013
# 2.38.0: 23 Sep 2013
# 2.40.0: 24 Mar 2014

use_glib_cflags="true"
if test "$have_gtk" = "yes" -a "$have_qt" = "yes" ; then
	# We have both GTK and Qt and thus will be building both wireshark
	# and wireshark-gtk.

	wireshark_bin="wireshark\$(EXEEXT) wireshark-gtk\$(EXEEXT)"
	wireshark_man="wireshark.1"
	wireshark_SUBDIRS="codecs ui/qt ui/gtk"
fi
if test "$have_gtk" = "no" -a "$have_qt" = "yes" ; then
	# We don't have GTK+ but we have Qt.

	wireshark_bin="wireshark\$(EXEEXT)"
	wireshark_man="wireshark.1"
	wireshark_SUBDIRS="codecs ui/qt"
fi
if test "$have_gtk" = "yes" -a "$have_qt" = "no" ; then
	# We have GTK+ but not Qt.

	wireshark_bin="wireshark-gtk\$(EXEEXT)"
	wireshark_man="wireshark.1"
	wireshark_SUBDIRS="codecs ui/gtk"
	use_glib_cflags="false"
	OSX_APP_FLAGS="$OSX_APP_FLAGS -gtk"
	OSX_DMG_FLAGS="-gtk"
fi
if test "$have_gtk" = "no" -a "$have_qt" = "no" ; then
	# We have neither GTK+ nor Qt.
	#
	# If they didn't explicitly say "--disable-wireshark",
	# fail (so that, unless they explicitly indicated that
	# they don't want Wireshark, we stop so they know they
	# won't be getting Wireshark unless they fix the GTK+/Qt
	# problem).
	#
	if test "x$enable_wireshark" = "xyes"; then
		if test "x$with_gtk3" = "xyes"; then
			AC_MSG_ERROR([Neither Qt nor GTK+ $GTK3_MIN_VERSION or later are available, so Wireshark can't be compiled])
		else
			AC_MSG_ERROR([Neither Qt nor GTK+ $GTK2_MIN_VERSION or later are available, so Wireshark can't be compiled])
		fi
	fi
	wireshark_bin=""
	wireshark_man=""
fi

if test "$have_gtk" = "yes" ; then
	# If we have GTK then add flags for it.

	CPPFLAGS="-DGDK_PIXBUF_DISABLE_DEPRECATED $CPPFLAGS"
	CPPFLAGS="-DGDK_DISABLE_DEPRECATED $CPPFLAGS"
	if test \( $gtk_config_major_version -eq 3 -a $gtk_config_minor_version -ge 10 \) ; then
		## Allow use of deprecated & disable deprecated warnings if Gtk >= 3.10;
		##  The deprecations in Gtk 3.10 will not be fixed ...
		CPPFLAGS="-DGDK_DISABLE_DEPRECATION_WARNINGS $CPPFLAGS"
	else
		CPPFLAGS="-DGTK_DISABLE_DEPRECATED $CPPFLAGS"
	fi
	CPPFLAGS="-DGTK_DISABLE_SINGLE_INCLUDES $CPPFLAGS"
	if test ! \( $gtk_config_major_version -eq 2 -a $gtk_config_minor_version -lt 20 \) ; then
		# Enable GSEAL when building with GTK > 2.20
		# (Versions prior to 2.22 lacked some necessary accessors.)
		CPPFLAGS="-DGSEAL_ENABLE $CPPFLAGS"
	fi
fi

# XXX - Is this really necessary?  When we build with both Gtk+ and Qt it works...
if test "$use_glib_cflags" = "true"; then
	# Use GLIB_CFLAGS
	AM_PATH_GLIB_2_0($GLIB_MIN_VERSION,
	[
		CFLAGS="$CFLAGS $GLIB_CFLAGS"
		CXXFLAGS="$CXXFLAGS $GLIB_CFLAGS"
	], AC_MSG_ERROR(GLib $GLIB_MIN_VERSION or later distribution not found.), gthread gmodule)
else
	# Don't use GLIB_CFLAGS
	AM_PATH_GLIB_2_0($GLIB_MIN_VERSION, , AC_MSG_ERROR(GLib $GLIB_MIN_VERSION or later distribution not found.), gthread gmodule)
fi

#
# "make dist" requires that we have the Qt build tools.
#
# Annoyingly, at least on Fedora 16, uic and moc are named XXX-qt4
# rather than just XXX, perhaps to allow Qt 3 and Qt 4 tools to be
# installed; if they're still doing that in current Fedora releases,
# perhaps there will also be XXX-qt5 when they pick up Qt 5.
#
AC_PATH_PROG(UIC, uic)
if test "x$UIC" = x
then
	AC_PATH_PROG(UIC, uic-qt5)
	if test "x$UIC" = x
	then
		AC_PATH_PROG(UIC, uic-qt4)
		if test "x$UIC" = x
		then
			if test "x$with_qt" = "xyes"; then
				#
				# If you want to build with Qt, you'd better
				# have uic.
				#
				AC_MSG_ERROR(I couldn't find uic or uic-qt5 or uic-qt4; make sure it's installed and in your path)
			else
				#
				# We shouldn't fail here, as the user's not
				# building with Qt, and we shouldn't force them
				# to have Qt installed if they're not doing so.
				# "make dist" will fail if they do that, but
				# we don't know whether they'll be doing that,
				# so this is the best we can do.
				#
				UIC=uic
			fi
		fi
	fi
fi
AC_SUBST(UIC)
AC_PATH_PROG(MOC, moc)
if test "x$MOC" = x
then
	AC_PATH_PROG(MOC, moc-qt5)
	if test "x$MOC" = x
	then
		AC_PATH_PROG(MOC, moc-qt4)
		if test "x$MOC" = x
		then
			if test "x$with_qt" = "xyes"; then
				#
				# If you want to build with Qt, you'd better
				# have moc.
				#
				AC_MSG_ERROR(I couldn't find moc or moc-qt5 or moc-qt4; make sure it's installed and in your path)
			else
				#
				# We shouldn't fail here, as the user's not
				# building with Qt, and we shouldn't force them
				# to have Qt installed if they're not doing so.
				# "make dist" will fail if they do that, but
				# we don't know whether they'll be doing that,
				# so this is the best we can do.
				#
				MIC=moc
			fi
		fi
	fi
fi
AC_SUBST(MOC)
AC_PATH_PROG(RCC, rcc)
if test "x$RCC" = x
then
	AC_PATH_PROG(RCC, rcc-qt5)
	if test "x$RCC" = x
	then
		AC_PATH_PROG(RCC, rcc)
		if test "x$RCC" = x
		then
			if test "x$with_qt" = "xyes"; then
				#
				# If you want to build with Qt, you'd better
				# have moc.
				#
				AC_MSG_ERROR(I couldn't find rcc or rcc-qt5; make sure it's installed and in your path)
			else
				#
				# We shouldn't fail here, as the user's not
				# building with Qt, and we shouldn't force them
				# to have Qt installed if they're not doing so.
				# "make dist" will fail if they do that, but
				# we don't know whether they'll be doing that,
				# so this is the best we can do.
				#
				RCC=rcc
			fi
		fi
	fi
fi
AC_SUBST(RCC)

# Error out if a glib header other than a "top level" header
#  (glib.h, glib-object.h, gio.h) or certain other headers( e.g.,gmodule.h)
#  is used.
CPPFLAGS="-DG_DISABLE_SINGLE_INCLUDES $CPPFLAGS"

# Error out on the usage of deprecated glib functions
CPPFLAGS="-DG_DISABLE_DEPRECATED $CPPFLAGS"

#
# Check whether GLib modules are supported, to determine whether we
# can support plugins.
#
AC_MSG_CHECKING(whether GLib supports loadable modules)
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GLIB_CFLAGS"
LIBS="$GLIB_LIBS $LIBS"
AC_TRY_RUN([
#include <glib.h>
#include <gmodule.h>
#include <stdio.h>
#include <stdlib.h>

int
main ()
{
  if (g_module_supported())
    return 0;	/* success */
  else
    return 1;	/* failure */
}
], ac_cv_glib_supports_modules=yes, ac_cv_glib_supports_modules=no,
   [echo $ac_n "cross compiling; assumed OK... $ac_c"
    ac_cv_glib_supports_modules=yes])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
if test "$ac_cv_glib_supports_modules" = yes ; then
  AC_MSG_RESULT(yes)
  have_plugins=yes
  plugins_dir="plugins"
else
  AC_MSG_RESULT(no)
  have_plugins=no
  plugins_dir=""
fi
AC_SUBST(plugins_dir)

#
# If we have <dlfcn.h>, check whether we have dladdr.
#
if test "$ac_cv_header_dlfcn_h" = "yes"
then
	#
	# Use GLib compiler flags and linker flags; GLib's gmodule
	# stuff uses the dl APIs if available, so it might know
	# what flags are needed.
	#
	ac_save_CFLAGS="$CFLAGS"
	ac_save_LIBS="$LIBS"
	CFLAGS="$CFLAGS $GLIB_CFLAGS"
	LIBS="$GLIB_LIBS $LIBS"
	AC_CHECK_FUNCS(dladdr)
	if test x$ac_cv_func_dladdr = xno
	then
		#
		# OK, try it with -ldl, in case you need that to get
		# dladdr().  For some reason, on Linux, that's not
		# part of the GLib flags; perhaps GLib itself is
		# linked with libdl, so that you can link with
		# Glib and it'll pull libdl in itself.
		#
		LIBS="$LIBS -ldl"
		AC_CHECK_FUNCS(dladdr)
	fi
	CFLAGS="$ac_save_CFLAGS"
	LIBS="$ac_save_LIBS"
fi

#
# Check whether GLib's printf supports thousands grouping. (This might
# be different from the system's printf since GLib can optionally use
# its own printf implementation.)
#
AC_MSG_CHECKING(whether GLib supports POSIX/XSI thousands grouping)
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GLIB_CFLAGS"
LIBS="$GLIB_LIBS $LIBS"
AC_TRY_RUN([
#include <glib.h>
#include <locale.h>
#include <stdio.h>
#include <string.h>

int
main ()
{
  gchar *str;
  setlocale(LC_ALL, "en_US.UTF-8");
  str = g_strdup_printf("%'u", 123456);
  return (strcmp (str, "123,456") != 0);
}
], ac_cv_glib_supports_printf_grouping=yes, ac_cv_glib_supports_printf_grouping=no,
   [echo $ac_n "cross compiling; playing it safe... $ac_c"
    ac_cv_glib_supports_printf_grouping=no])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
if test "$ac_cv_glib_supports_printf_grouping" = yes ; then
  AC_MSG_RESULT(yes)
  AC_DEFINE(HAVE_GLIB_PRINTF_GROUPING, 1, [Define if GLib's printf functions support thousands grouping.])
else
  AC_MSG_RESULT(no)
fi

if test "x$have_gtk" = "xyes"
then
    #
    # We have GTK+; do we want the OS X integration functions and,
    # if so, do we have them and, if so, which versions do we have,
    # the old Carbon-based ones or the new Cocoa-based ones?
    #
    AC_MSG_CHECKING(whether to use OS X integration functions)

    AC_ARG_WITH(osx-integration,
      AC_HELP_STRING( [--with-osx-integration],
                      [use OS X integration functions @<:@default=yes, if available@:>@]),
    [
        if test $withval = no
        then
            want_osx_integration=no
        else
            want_osx_integration=yes
        fi
    ],[
        want_osx_integration=yes
    ])
    if test "x$want_osx_integration" = "xno"; then
        AC_MSG_RESULT(no)
    else
        AC_MSG_RESULT(yes)
        AC_WIRESHARK_OSX_INTEGRATION_CHECK
    fi
fi

AC_SUBST(wireshark_bin)
AC_SUBST(wireshark_man)
AM_CONDITIONAL(HAVE_Qt, test "$have_qt" = "yes")
AM_CONDITIONAL(HAVE_GTK, test "$have_gtk" = "yes")
AC_SUBST(OSX_APP_FLAGS)
AC_SUBST(OSX_DMG_FLAGS)

# Enable/disable tshark
AC_ARG_ENABLE(tshark,
  AC_HELP_STRING( [--enable-tshark],
                  [build tshark @<:@default=yes@:>@]),
    tshark=$enableval,enable_tshark=yes)

if test "x$enable_tshark" = "xyes" ; then
	tshark_bin="tshark\$(EXEEXT)"
	tshark_man="tshark.1"
	wiresharkfilter_man="wireshark-filter.4"
else
	tshark_bin=""
	tshark_man=""
fi
AC_SUBST(tshark_bin)
AC_SUBST(tshark_man)

# Enable/disable editcap

AC_ARG_ENABLE(editcap,
  AC_HELP_STRING( [--enable-editcap],
                  [build editcap @<:@default=yes@:>@]),
    enable_editcap=$enableval,enable_editcap=yes)

if test "x$enable_editcap" = "xyes" ; then
	editcap_bin="editcap\$(EXEEXT)"
	editcap_man="editcap.1"
else
	editcap_bin=""
	editcap_man=""
fi
AC_SUBST(editcap_bin)
AC_SUBST(editcap_man)


# Enabling/disabling of dumpcap is done later (after we know if we have PCAP
# or not)

# Enable/disable capinfos

AC_ARG_ENABLE(capinfos,
  AC_HELP_STRING( [--enable-capinfos],
                  [build capinfos @<:@default=yes@:>@]),
    enable_capinfos=$enableval,enable_capinfos=yes)

if test "x$enable_capinfos" = "xyes" ; then
	capinfos_bin="capinfos\$(EXEEXT)"
	capinfos_man="capinfos.1"
else
	capinfos_bin=""
	capinfos_man=""
fi
AC_SUBST(capinfos_bin)
AC_SUBST(capinfos_man)

# Enable/disable captype

AC_ARG_ENABLE(captype,
  AC_HELP_STRING( [--enable-captype],
                  [build captype @<:@default=yes@:>@]),
    enable_captype=$enableval,enable_captype=yes)

if test "x$enable_captype" = "xyes" ; then
	captype_bin="captype\$(EXEEXT)"
	captype_man="captype.1"
else
	captype_bin=""
	captype_man=""
fi
AC_SUBST(captype_bin)
AC_SUBST(captype_man)

# Enable/disable mergecap

AC_ARG_ENABLE(mergecap,
  AC_HELP_STRING( [--enable-mergecap],
                  [build mergecap @<:@default=yes@:>@]),
    enable_mergecap=$enableval,enable_mergecap=yes)

if test "x$enable_mergecap" = "xyes" ; then
	mergecap_bin="mergecap\$(EXEEXT)"
	mergecap_man="mergecap.1"
else
	mergecap_bin=""
	mergecap_man=""
fi
AC_SUBST(mergecap_bin)
AC_SUBST(mergecap_man)

# Enable/disable reordercap

AC_ARG_ENABLE(reordercap,
  AC_HELP_STRING( [--enable-reordercap],
                  [build reordercap @<:@default=yes@:>@]),
    enable_reordercap=$enableval,enable_reordercap=yes)

if test "x$enable_reordercap" = "xyes" ; then
	reordercap_bin="reordercap\$(EXEEXT)"
	reordercap_man="reordercap.1"
else
	reordercap_bin=""
	reordercap_man=""
fi
AC_SUBST(reordercap_bin)
AC_SUBST(reordercap_man)

# Enable/disable text2pcap

AC_ARG_ENABLE(text2pcap,
  AC_HELP_STRING( [--enable-text2pcap],
                  [build text2pcap @<:@default=yes@:>@]),
    text2pcap=$enableval,enable_text2pcap=yes)

if test "x$enable_text2pcap" = "xyes" ; then
	text2pcap_bin="text2pcap\$(EXEEXT)"
	text2pcap_man="text2pcap.1"
else
	text2pcap_bin=""
	text2pcap_man=""
fi
AC_SUBST(text2pcap_bin)
AC_SUBST(text2pcap_man)

# Enable/disable dftest

AC_ARG_ENABLE(dftest,
  AC_HELP_STRING( [--enable-dftest],
                  [build dftest @<:@default=yes@:>@]),
    enable_dftest=$enableval,enable_dftest=yes)

if test "x$enable_dftest" = "xyes" ; then
	dftest_bin="dftest\$(EXEEXT)"
	dftest_man="dftest.1"
else
	dftest_bin=""
	dftest_man=""
fi
AC_SUBST(dftest_bin)
AC_SUBST(dftest_man)

# Enable/disable randpkt

AC_ARG_ENABLE(randpkt,
  AC_HELP_STRING( [--enable-randpkt],
                  [build randpkt @<:@default=yes@:>@]),
    enable_randpkt=$enableval,enable_randpkt=yes)

if test "x$enable_randpkt" = "xyes" ; then
	randpkt_bin="randpkt\$(EXEEXT)"
	randpkt_man="randpkt.1"
else
	randpkt_bin=""
	randpkt_man=""
fi
AC_SUBST(randpkt_bin)
AC_SUBST(randpkt_man)

AC_SUBST(wiresharkfilter_man)

dnl Checks for "connect()", used as a proxy for "socket()" - and
dnl "-lsocket", if we need it to get "connect()".
AC_WIRESHARK_SOCKET_LIB_CHECK

dnl pcap check
AC_MSG_CHECKING(whether to use libpcap for packet capture)

AC_ARG_WITH(pcap,
  AC_HELP_STRING( [--with-pcap@<:@=DIR@:>@],
                  [use libpcap for packet capturing @<:@default=yes@:>@]),
[
	if test $withval = no
	then
		want_pcap=no
	elif test $withval = yes
	then
		want_pcap=yes
	else
		want_pcap=yes
		pcap_dir=$withval
	fi
],[
	want_pcap=yes
	pcap_dir=
])
if test "x$want_pcap" = "xno" ; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_PCAP_CHECK
fi


dnl Check for airpcap
AC_MSG_CHECKING(whether to include airpcap support)
AC_ARG_ENABLE(airpcap,
  AC_HELP_STRING( [--enable-airpcap],
                  [use AirPcap in Wireshark @<:@default=yes@:>@]),
  enable_airpcap=$enableval, enable_airpcap=yes)

if test x$enable_airpcap = xyes; then
	if test "x$want_pcap" = "xno" ; then
		enable_airpcap=no
		AC_MSG_RESULT(pcap not available - disabling airpcap)
	else
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_AIRPCAP, 1, [Enable AirPcap])
	fi
else
	AC_MSG_RESULT(no)
fi


dnl dumpcap check
AC_MSG_CHECKING(whether to build dumpcap)

AC_ARG_ENABLE(dumpcap,
  AC_HELP_STRING( [--enable-dumpcap],
                  [build dumpcap @<:@default=yes@:>@]),
    enable_dumpcap=$enableval,enable_dumpcap=yes)

if test "x$enable_dumpcap" = "xyes" ; then
	if test "x$want_pcap" = "xno" ; then
		enable_dumpcap=no
		AC_MSG_RESULT(pcap not available - disabling dumpcap)
	else
		AC_MSG_RESULT(yes)
	fi
else
	AC_MSG_RESULT(no)
fi

if test "x$enable_dumpcap" = "xyes" ; then
	dumpcap_bin="dumpcap\$(EXEEXT)"
	dumpcap_man="dumpcap.1"
else
	dumpcap_bin=""
	dumpcap_man=""
fi
AC_SUBST(dumpcap_bin)
AC_SUBST(dumpcap_man)

# Enable/disable rawshark

dnl rawshark check
AC_MSG_CHECKING(whether to build rawshark)

AC_ARG_ENABLE(rawshark,
  AC_HELP_STRING( [--enable-rawshark],
                  [build rawshark @<:@default=yes@:>@]),
    rawshark=$enableval,enable_rawshark=yes)

if test "x$enable_rawshark" = "xyes" ; then
	if test "x$want_pcap" = "xno" ; then
		enable_rawshark=no
		AC_MSG_RESULT(pcap not available - disabling rawshark)
	else
		AC_MSG_RESULT(yes)
	fi
else
	AC_MSG_RESULT(no)
fi

if test "x$enable_rawshark" = "xyes" ; then
	rawshark_bin="rawshark\$(EXEEXT)"
	rawshark_man="rawshark.1"
else
	rawshark_bin=""
	rawshark_man=""
fi
AC_SUBST(rawshark_bin)
AC_SUBST(rawshark_man)


# Enable/disable echld
AC_ARG_ENABLE(echld,
  AC_HELP_STRING( [--enable-echld],
                  [support echld (Experimental) @<:@default=no@:>@]),
    have_echld=$enableval,have_echld=no)

AM_CONDITIONAL(HAVE_ECHLD, test "x$have_echld" = "xyes")
if test "x$have_echld" = "xyes"
then
  AC_DEFINE(HAVE_ECHLD, 1, [Define if echld is enabled])
  echld_test_bin="echld_test\$(EXEEXT)"
  echld_dir="echld"
else
  have_echld="no"
  echld_test_bin=""
  echld_dir=""
fi
AC_SUBST(echld_test_bin)
AC_SUBST(echld_dir)

# Enable/disable tfshark
AC_ARG_ENABLE(tfshark,
  AC_HELP_STRING( [--enable-tfshark],
                  [build tfshark (Experimental) @<:@default=no@:>@]),
    tfshark=$enableval,enable_tfshark=no)

if test "x$enable_tfshark" = "xyes" ; then
	tfshark_bin="tfshark\$(EXEEXT)"
	tfshark_man="tfshark.1"
	wiresharkfilter_man="wireshark-filter.4"
else
	tfshark_bin=""
	tfshark_man=""
fi
AC_SUBST(tfshark_bin)
AC_SUBST(tfshark_man)


dnl Use pcap-ng by default
AC_ARG_ENABLE(pcap-ng-default,
  AC_HELP_STRING( [--enable-pcap-ng-default],
                  [use the pcap-ng file format by default instead of pcap @<:@default=yes@:>@]),
    enable_pcap_ng_default=$enableval,enable_pcap_ng_default=yes)
if test x$enable_pcap_ng_default = xyes; then
	AC_DEFINE(PCAP_NG_DEFAULT, 1, [Support for pcap-ng])
fi

dnl pcap remote check
AC_MSG_CHECKING(whether to use libpcap remote capturing feature)

AC_ARG_WITH(pcap-remote,
    AC_HELP_STRING([--with-pcap-remote],
                   [use libpcap remote capturing (requires libpcap)]),
[
    if test $withval = no
    then
        want_pcap_remote=no
    else
        want_pcap_remote=yes
    fi
],[
    want_pcap_remote=no
])
if test "x$want_pcap_remote" = "xno" -o "x$want_pcap" = "xno" ; then
    AC_MSG_RESULT(no)
else
    AC_MSG_RESULT(yes)
    AC_WIRESHARK_PCAP_REMOTE_CHECK
fi

dnl zlib check
AC_MSG_CHECKING(whether to use zlib for gzip compression and decompression)

AC_ARG_WITH(zlib,
  AC_HELP_STRING([--with-zlib@<:@=DIR@:>@],
                 [use zlib (located in directory DIR, if supplied) for gzip compression and decompression @<:@default=yes, if available@:>@]),
[
	if test "x$withval" = "xno"
	then
		want_zlib=no
	elif test "x$withval" = "xyes"
	then
		want_zlib=yes
	else
		want_zlib=yes
		zlib_dir="$withval"
	fi
],[
	#
	# Use zlib if it's present, otherwise don't.
	#
	want_zlib=ifavailable
	zlib_dir=
])
if test "x$want_zlib" = "xno" ; then
        AC_MSG_RESULT(no)
else
        AC_MSG_RESULT(yes)
        AC_WIRESHARK_ZLIB_CHECK
	if test "x$want_zlib" = "xno" ; then
		AC_MSG_RESULT(zlib not found - disabling gzip compression and decompression)
	else
		if test "x$ac_cv_func_inflatePrime" = "xno" ; then
			AC_MSG_RESULT(inflatePrime not found in zlib - disabling gzipped capture file support)
		fi
	fi
fi

dnl Lua check
AC_ARG_WITH(lua,
  AC_HELP_STRING( [--with-lua@<:@=DIR@:>@],
                  [use liblua (located in directory DIR, if supplied) for the Lua scripting plugin @<:@default=yes, if available@:>@]),
[
	if test $withval = no
	then
		want_lua=no
	elif test $withval = yes
	then
		want_lua=yes
	else
		want_lua=yes
		want_lua_dir=$withval
	fi
],[
	# By default use Lua if we can find it
	want_lua=ifavailable
	lua_dir=
])
if test "x$want_lua" != "xno" ; then
	AC_WIRESHARK_LIBLUA_CHECK

	if test "x$want_lua" = "xyes" -a "x$have_lua" = "xno"
	then
                AC_MSG_ERROR([Lua support was requested, but is not available])
	fi
fi
if test "x$have_lua" = "xyes"
then
	AC_DEFINE(HAVE_LUA, 1, [Define to use Lua])
fi
AM_CONDITIONAL(HAVE_LIBLUA, test x$have_lua = xyes)
AC_SUBST(LUA_LIBS)
AC_SUBST(LUA_CFLAGS)


dnl portaudio check
AC_MSG_CHECKING(whether to use libportaudio for the rtp_player)

AC_ARG_WITH(portaudio,
  AC_HELP_STRING( [--with-portaudio@<:@=DIR@:>@],
                  [use libportaudio (located in directory DIR, if supplied) for the rtp_player @<:@default=yes, if available@:>@]),
[
	if test $withval = no
	then
		want_portaudio=no
	elif test $withval = yes
	then
		want_portaudio=yes
	else
		want_portaudio=yes
		portaudio_dir=$withval
	fi
],[
	#
	# Use libportaudio by default
	#
	want_portaudio=ifavailable
	portaudio_dir=
])
if test "x$want_portaudio" = "xno" ; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_LIBPORTAUDIO_CHECK
	if test "x$want_portaudio" = "xno" ; then
		AC_MSG_RESULT(libportaudio not found - disabling support for the rtp_player)
	fi
fi
AM_CONDITIONAL(HAVE_LIBPORTAUDIO, test x$want_portaudio = xyes)


dnl ipv6 check
AC_ARG_ENABLE(ipv6,
  AC_HELP_STRING( [--enable-ipv6],
                  [use IPv6 name resolution, if available @<:@default=yes@:>@]),
    enable_ipv6=$enableval,enable_ipv6=yes)

AC_MSG_CHECKING(whether to enable ipv6 name resolution if available)
if test "x$enable_ipv6" = "xno" ; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_IPV6_STACK
fi


dnl Check if dumpcap should be installed with filesystem capabilities
AC_PATH_PROG(SETCAP, setcap)
AC_ARG_ENABLE(setcap-install,
  AC_HELP_STRING( [--enable-setcap-install],
                  [install dumpcap with cap_net_admin and cap_net_raw @<:@default=no@:>@]),
    enable_setcap_install=$enableval,enable_setcap_install=no)

AC_MSG_CHECKING(whether to install dumpcap with cap_net_admin and cap_net_raw capabilities)
if test "x$enable_setcap_install" = "xno" ; then
	AC_MSG_RESULT(no)
else
	if test "x$SETCAP" = "x" ; then
		AC_MSG_RESULT(setcap not found)
		AC_MSG_ERROR([Setcap install was requested, but setcap was not found])
	elif test "x$enable_dumpcap" = "xno" ; then
		AC_MSG_RESULT(dumpcap disabled)
		AC_MSG_ERROR([Setcap install works only with dumpcap, but dumpcap is disabled])
	else
		AC_MSG_RESULT(yes)
	fi
fi

AM_CONDITIONAL(SETCAP_INSTALL, test x$enable_setcap_install = xyes)

dnl Check if dumpcap should be installed setuid
AC_ARG_ENABLE(setuid-install,
  AC_HELP_STRING( [--enable-setuid-install],
                  [install dumpcap as setuid @<:@default=no@:>@]),
    enable_setuid_install=$enableval,enable_setuid_install=no)

AC_MSG_CHECKING(whether to install dumpcap setuid)
if test "x$enable_setuid_install" = "xno" ; then
	AC_MSG_RESULT(no)
else
	if test "x$enable_setcap_install" = "xyes" ; then
		enable_setuid_install=no
		AC_MSG_RESULT(setcap and setuid both selected)
		AC_MSG_ERROR(You must choose one of setcap install and setuid install)
	elif test "x$enable_dumpcap" = "xno" ; then
		AC_MSG_RESULT(dumpcap disabled)
		AC_MSG_ERROR([Setuid install works only with dumpcap, but dumpcap is disabled])
	else
		AC_MSG_RESULT(yes)
	fi
fi

AM_CONDITIONAL(SETUID_INSTALL, test x$enable_setuid_install = xyes)
AC_CHECK_FUNCS(setresuid setresgid)

dnl ...but our Network Operations group is named "no"!
DUMPCAP_GROUP=''
AC_ARG_WITH(dumpcap-group,
  AC_HELP_STRING( [--with-dumpcap-group=GROUP],
                  [restrict dumpcap to GROUP]),
[
  if test "x$withval" = "xyes"; then
      AC_MSG_ERROR([No dumpcap group specified.])
  elif test "x$withval" != "xno"; then
      if test "x$enable_dumpcap" = "xno" ; then
          AC_MSG_ERROR(dumpcap group install works only with dumpcap but dumpcap is disabled)
      fi
      AC_MSG_RESULT($withval)
      DUMPCAP_GROUP="$withval"
  fi
])
AC_SUBST(DUMPCAP_GROUP)
AM_CONDITIONAL(HAVE_DUMPCAP_GROUP, test x$DUMPCAP_GROUP != x)

dnl libcap (not libpcap) check
LIBCAP_LIBS=''
AC_MSG_CHECKING(whether to use the libcap capabilities library)

AC_ARG_WITH(libcap,
  AC_HELP_STRING( [--with-libcap@<:@=DIR@:>@],
                  [use libcap (located in directory DIR, if supplied) for POSIX.1e capabilities management @<:@default=yes, if present@:>@]),
[
if   test "x$withval" = "xno";  then
	want_libcap=no
elif test "x$withval" = "xyes"; then
	want_libcap=yes
elif test -d "$withval"; then
	want_libcap=yes
	AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
fi
])
if test "x$with_libcap" = "xno" ; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_LIBCAP_CHECK
fi
AC_SUBST(LIBCAP_LIBS)

dnl Checks for header files.
dnl Some of these may not be needed: http://hacks.owlfolio.org/header-survey/
dnl Note, however, that, whilst this script is generally run only on UN*Xes:
dnl
dnl     1) we also support building on and for Windows and not all of those
dnl        headers are present on Windows, so the code has to check a
dnl        #define *anyway* to determine whether to include the header
dnl        file
dnl
dnl and
dnl
dnl     2) this might also be run on Windows with a sufficiently UNIXy
dnl        environment such as Cygwin (although Wireshark should be built
dnl        natively rather than using Cygwin).
dnl
AC_CHECK_HEADERS(fcntl.h getopt.h grp.h inttypes.h netdb.h pwd.h unistd.h)
AC_CHECK_HEADERS(sys/ioctl.h sys/param.h sys/socket.h sys/sockio.h sys/stat.h sys/time.h sys/types.h sys/utsname.h sys/wait.h)
AC_CHECK_HEADERS(netinet/in.h)
AC_CHECK_HEADERS(arpa/inet.h arpa/nameser.h)

dnl SSL Check
SSL_LIBS=''
AC_MSG_CHECKING(whether to use SSL library)

AC_ARG_WITH(ssl,
  AC_HELP_STRING( [--with-ssl@<:@=DIR@:>@],
                  [use SSL crypto library (located in directory DIR, if supplied) @<:@default=no@:>@]),
[
if test "x$withval" = "xno";  then
	want_ssl=no
elif test "x$withval" = "xyes"; then
	want_ssl=yes
elif test -d "$withval"; then
	want_ssl=yes
	AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
fi
],[
	want_ssl=no
])
if test "x$want_ssl" = "xyes"; then
	AC_MSG_RESULT(yes)
	AC_CHECK_LIB(crypto,EVP_md5,
	    [
		SSL_LIBS=-lcrypto
	    ],
	    [
                AC_MSG_ERROR([SSL crypto library was requested, but is not available])
	    ])
else
	AC_MSG_RESULT(no)
fi
AC_SUBST(SSL_LIBS)

dnl kerberos check
AC_MSG_CHECKING(whether to use Kerberos library)

AC_ARG_WITH(krb5,
  AC_HELP_STRING( [--with-krb5@<:@=DIR@:>@],
                  [use Kerberos library (located in directory DIR, if supplied) to use in Kerberos dissection @<:@default=yes@:>@]),
[
	if test $withval = no
	then
		want_krb5=no
	elif test $withval = yes
	then
		want_krb5=yes
	else
		want_krb5=yes
		krb5_dir=$withval
	fi
],[
	#
	# Use Kerberos library if available, otherwise don't.
	#
	want_krb5=ifavailable
	krb5_dir=
])
if test "x$want_krb5" = "xno" ; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_KRB5_CHECK
fi


dnl c-ares Check
C_ARES_LIBS=''
AC_MSG_CHECKING(whether to use the c-ares library if available)

AC_ARG_WITH(c-ares,
  AC_HELP_STRING( [--with-c-ares@<:@=DIR@:>@],
		  [use c-ares (located in directory DIR, if supplied) - supersedes --with-adns @<:@default=yes, if present@:>@]),
[
if   test "x$withval" = "xno";  then
	want_c_ares=no
elif test "x$withval" = "xyes"; then
	want_c_ares=yes
elif test -d "$withval"; then
	want_c_ares=yes
	AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
fi
])
if test "x$want_c_ares" = "xno" ; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_C_ARES_CHECK
fi
AC_SUBST(C_ARES_LIBS)

dnl ADNS Check
ADNS_LIBS=''
AC_MSG_CHECKING(whether to use the GNU ADNS library if available)

AC_ARG_WITH(adns,
  AC_HELP_STRING( [--with-adns@<:@=DIR@:>@],
		  [use GNU ADNS (located in directory DIR, if supplied) @<:@default=yes, if present@:>@]),
[
if   test "x$withval" = "xno";  then
	want_adns=no
elif test "x$withval" = "xyes"; then
	want_adns=yes
elif test -d "$withval"; then
	want_adns=yes
	AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
fi
])
if test "x$want_adns" = "xno" -o "x$have_good_c_ares" = "xyes" ; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_ADNS_CHECK
fi
AC_SUBST(ADNS_LIBS)

if test "x$have_good_c_ares" != "xyes" -a "x$have_good_adns" != "xyes"; then
	# We don't have an asynchronous name resolver, look for a synchronous one

	dnl Checks for "getaddrinfo()" - and "-lnsl", if we need it to get
	dnl "getaddrinfo()".
	AC_WIRESHARK_GETADDRINFO_LIB_CHECK

	if test "x$ac_cv_func_getaddrinfo" != "xyes" ; then
		# We don't have the modern name resolver, try older stuff

		dnl Checks for "gethostbyname()" - and "-lnsl", if we need it to get
		dnl "gethostbyname()".
		AC_WIRESHARK_GETHOSTBY_LIB_CHECK

		if test "x$ac_cv_func_gethostbyname" != "xyes" ; then
			# Hopefully this never actually happens.
			# The code works even without name resolvers but we
			# alert the user to this unusual condition.
			AC_MSG_ERROR(Couldn't find any name resolvers!)
		fi

		AC_CHECK_FUNCS(gethostbyname2)
	fi
fi

dnl GEOIP Check
GEOIP_LIBS=''
AC_MSG_CHECKING(whether to use the GeoIP IP address mapping library if available)

AC_ARG_WITH(geoip,
  AC_HELP_STRING( [--with-geoip@<:@=DIR@:>@],
                  [use GeoIP (located in directory DIR, if supplied) @<:@default=yes, if present@:>@]),
[
if   test "x$withval" = "xno";  then
	want_geoip=no
elif test "x$withval" = "xyes"; then
	want_geoip=yes
elif test -d "$withval"; then
	want_geoip=yes
	AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
fi
])
if test "x$want_geoip" = "xno"; then
	AC_MSG_RESULT(no)
else
	AC_MSG_RESULT(yes)
	AC_WIRESHARK_GEOIP_CHECK
fi
AC_SUBST(GEOIP_LIBS)

#
# Define WS_MSVC_NORETURN appropriately for declarations of routines that
# never return (just like Charlie on the MTA).
#
# Note that MSVC++ expects __declspec(noreturn) to precede the function
# name and GCC, as far as I know, expects __attribute__((noreturn)) to
# follow the function name, so we need two different flavors of
# noreturn tag.
#
AC_DEFINE(WS_MSVC_NORETURN,, [Define as the string to precede declarations of routines that never return])

dnl Checks for typedefs, structures, and compiler characteristics.
# AC_C_CONST

# Check how we can get the time zone abbreviation
AC_WIRESHARK_TIMEZONE_ABBREV

# We need to know whether "struct stat" has an "st_flags" member
# for file_user_immutable().

AC_WIRESHARK_STRUCT_ST_FLAGS

# We need to know whether "struct sockaddr" has an "sa_len" member
# for get_interface_list().

AC_WIRESHARK_STRUCT_SA_LEN

# We must know our byte order
AC_C_BIGENDIAN

# Checks whether "-traditional" is needed when using "ioctl".
# XXX - do we need this?
AC_PROG_GCC_TRADITIONAL

AC_CHECK_FUNC(getopt_long,
  [
    GETOPT_LO=""
    AC_DEFINE(HAVE_GETOPT_LONG, 1, [Define to 1 if you have the getopt_long function.])

    #
    # Do we have optreset?
    #
    AC_MSG_CHECKING(whether optreset is defined)
    AC_TRY_LINK([],
      [
        extern int optreset;

        return optreset;
      ],
      ac_cv_pcap_debug_defined=yes,
      ac_cv_pcap_debug_defined=no)
    if test "$ac_cv_pcap_debug_defined" = yes ; then
      AC_MSG_RESULT(yes)
      AC_DEFINE(HAVE_OPTRESET, 1, [Define to 1 if you have the optreset variable])
    else
      AC_MSG_RESULT(no)
    fi
  ],
  GETOPT_LO="wsgetopt.lo")
AC_SUBST(GETOPT_LO)

AC_CHECK_FUNCS(mkstemp mkdtemp)

AC_SEARCH_LIBS(inet_aton, [socket nsl],
  [
    INET_ATON_LO=""
    AC_DEFINE(HAVE_INET_ATON, 0, [Define to 1 if you have the inet_aton function.])
  ],
  INET_ATON_LO="inet_aton.lo")
AC_SUBST(INET_ATON_LO)

AC_SEARCH_LIBS(inet_pton, [socket nsl], [
  dnl check for pre-BIND82 inet_pton() bug.
  AC_MSG_CHECKING(for broken inet_pton)
  AC_TRY_RUN([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int main()
{
#ifdef AF_INET6
  char buf[16];
  /* this should return 0 (error) */
  return inet_pton(AF_INET6, "0:1:2:3:4:5:6:7:", buf);
#else
  return 1;
#endif
}], [AC_MSG_RESULT(ok);
have_inet_pton=yes], [AC_MSG_RESULT(broken);
have_inet_pton=no], [AC_MSG_RESULT(cross compiling, assume it is broken);
have_inet_pton=no])],
have_inet_pton=no)
if test "$have_inet_pton" = no; then
  INET_PTON_LO="inet_pton.lo"
else
  INET_PTON_LO=""
fi
AM_CONDITIONAL(NEED_INET_PTON_LO, test "x$have_inet_pton" = "xno")
AC_SUBST(INET_PTON_LO)

AC_SEARCH_LIBS(inet_ntop, [socket nsl], [
  AC_MSG_CHECKING([for inet_ntop prototype])
  AC_TRY_COMPILE([#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

extern const char *inet_ntop(int, const void *, char *, size_t);],, [
    AC_MSG_RESULT(yes)
    AC_DEFINE(HAVE_INET_NTOP_PROTO, 1,
    [Define if inet_ntop() prototype exists])], [
    AC_TRY_COMPILE([#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

extern const char *inet_ntop(int, const void *, char *, socklen_t);],, [
      AC_MSG_RESULT(yes)
      AC_DEFINE(HAVE_INET_NTOP_PROTO, 1,
      [Define if inet_ntop() prototype exists])], [
      AC_MSG_RESULT(no)])])
  INET_NTOP_LO=""], [
  INET_NTOP_LO="inet_ntop.lo"
  AC_DEFINE(NEED_INET_V6DEFS_H, 1,
  [Define if inet/v6defs.h needs to be included])])
AM_CONDITIONAL(NEED_INET_NTOP_LO, test "x$INET_NTOP_LO" != "x")
AC_SUBST(INET_NTOP_LO)

AC_CHECK_FUNC(strptime,
  [
    STRPTIME_LO=""
    AC_DEFINE(HAVE_STRPTIME, 1, [Define if you have the strptime function.])
  ],
  STRPTIME_LO="strptime.lo")
AC_SUBST(STRPTIME_LO)

AC_CHECK_FUNC(popcount,
  [
    POPCOUNT_LO=""
    AC_DEFINE(HAVE_POPCOUNT, 1, [Define if you have the popcount function.])
  ],
  POPCOUNT_LO="popcount.lo")
AC_SUBST(POPCOUNT_LO)

AC_CHECK_FUNCS(getprotobynumber)
AC_CHECK_FUNCS(issetugid)
AC_CHECK_FUNCS(sysconf)

dnl blank for now, but will be used in future
AC_SUBST(wireshark_SUBDIRS)

# Check Bluetooth SBC codec for RTP Player
# git://git.kernel.org/pub/scm/bluetooth/sbc.git
AC_ARG_WITH([sbc],
  AC_HELP_STRING( [--with-sbc=@<:@yes/no@:>@],
                  [use SBC codec to play Bluetooth A2DP stream @<:@default=yes, if available@:>@]),
  with_sbc="$withval"; want_sbc="yes", with_sbc="yes")

PKG_CHECK_MODULES(SBC, sbc >= 1.0, [have_sbc=yes], [have_sbc=no])
if test "x$with_sbc" != "xno"; then
    if (test "${have_sbc}" = "yes"); then
        AC_DEFINE(HAVE_SBC, 1, [Define to support playing SBC by standalone BlueZ SBC library])
    elif test "x$want_sbc" = "xyes"; then
	# Error out if the user explicitly requested the sbc library
	AC_MSG_ERROR([SBC codec library was requested, but is not available])
    fi
else
    have_sbc=no
fi

dnl
dnl check whether plugins should be enabled and, if they should be,
dnl check for plugins directory - stolen from Amanda's configure.ac
dnl
dnl we don't wish to expand ${libdir} yet
plugindir='${libdir}/wireshark/plugins/${VERSION}'
AC_ARG_WITH(plugins,
  AC_HELP_STRING( [--with-plugins@<:@=DIR@:>@],
                  [support plugins (installed in DIR, if supplied) @<:@default=yes, if possible@:>@]),
[
  if test "x$withval" = "xno"; then
    have_plugins=no
  elif test "x$have_plugins" = "xno"; then
      AC_MSG_ERROR([GLib on this platform doesn't support loadable modules, so you can't enable plugins.])
  elif test "x$withval" != "xyes"; then
      plugindir="$withval"
  fi
])
AM_CONDITIONAL(HAVE_PLUGINS, test "x$have_plugins" = "xyes")
if test x$have_plugins = xyes
then
  AC_DEFINE(HAVE_PLUGINS, 1, [Define if plugins are enabled])
fi
AC_SUBST(plugindir)
CPPFLAGS="$CPPFLAGS '-DPLUGIN_INSTALL_DIR=\"\$(plugindir)\"'"

#
# The plugin dissectors reside in ./plugins/PROTO/
#
PLUGIN_LIBS=""
AC_SUBST(PLUGIN_LIBS)


dnl Use extcap by default
extcapdir='${datadir}/wireshark/extcap/'
AC_ARG_WITH(extcap,
  AC_HELP_STRING( [--with-extcap@<:@=DIR@:>@],
                  [use extcap for external capture sources (installed in DIR, if supplied) @<:@default=yes, if possible@:>@]),
[
  if test "x$withval" = "xno"; then
      have_extcap=no
  elif test "x$withval" = "xyes"; then
      have_extcap=yes
  elif test "x$withval" != "xyes"; then
      have_extcap=yes
      extcapdir ="$withval"
  fi
],[
    have_extcap=yes
])
AM_CONDITIONAL(HAVE_EXTCAP, test "x$have_extcap" = "xyes")
if test "x$have_extcap" = "xyes"
then
  AC_DEFINE(HAVE_EXTCAP, 1, [Define if external capture sources should be enabled])
  AC_DEFINE_UNQUOTED(EXTCAP_DIR,"$extcapdir", [Directory for extcap plugins])
fi
AC_SUBST(extcapdir)

dnl libtool defs
#
# Yes, AM_PROG_LIBTOOL is redundant with newer version(s) of some tool(s)
# (autoconf?  automake?  libtool?) - with the newer version(s), it's
# just an alias for AC_PROG_LIBTOOL, which is called earlier.
#
# With older version(s) of those tool(s), however, it's not just an
# alias, and the configure scripts don't work without it.
#
AM_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)

AM_CONDITIONAL(ENABLE_STATIC, test x$enable_static = xyes)
if test x$enable_static = xyes -a x$have_plugins = xyes
then
  AC_DEFINE(ENABLE_STATIC, 1, [Link plugins statically into Wireshark])
fi
AC_SUBST(ENABLE_STATIC)

# Gather which GUI we're building for rpmbuild
if test "x$have_gtk" = "xyes"; then
	if test "x$with_gtk3" = "xyes"; then
		RPMBUILD_WITH_ARGS="--with gtk3 --without gtk2"
	else
		RPMBUILD_WITH_ARGS="--without gtk3 --with gtk2"
	fi
else
	RPMBUILD_WITH_ARGS="--without gtk2 --without gtk3"
fi
if test "x$have_qt" = "xyes" ; then
	RPMBUILD_WITH_ARGS="$RPMBUILD_WITH_ARGS --with qt"
else
	RPMBUILD_WITH_ARGS="$RPMBUILD_WITH_ARGS --without qt"
fi
AC_SUBST(RPMBUILD_WITH_ARGS)

dnl Save the cacheable configure results to config.cache before recursing
AC_CACHE_SAVE

sinclude(plugins/Custom.m4) dnl
ifdef(_CUSTOM_AC_OUTPUT_,, define(_CUSTOM_AC_OUTPUT_, )) dnl

sinclude(asn1/Custom.m4) dnl
ifdef(_CUSTOM_ASN1_AC_OUTPUT_,, define(_CUSTOM_ASN1_AC_OUTPUT_, )) dnl

AC_CONFIG_HEADERS(config.h)
AC_OUTPUT(
  Makefile
  doxygen.cfg
  asn1/Makefile
  _CUSTOM_ASN1_AC_OUTPUT_
  asn1/acp133/Makefile
  asn1/acse/Makefile
  asn1/ansi_map/Makefile
  asn1/ansi_tcap/Makefile
  asn1/atn-cm/Makefile
  asn1/atn-cpdlc/Makefile
  asn1/atn-ulcs/Makefile
  asn1/c1222/Makefile
  asn1/camel/Makefile
  asn1/cdt/Makefile
  asn1/charging_ase/Makefile
  asn1/cmip/Makefile
  asn1/cmp/Makefile
  asn1/crmf/Makefile
  asn1/cms/Makefile
  asn1/credssp/Makefile
  asn1/dap/Makefile
  asn1/disp/Makefile
  asn1/dop/Makefile
  asn1/dsp/Makefile
  asn1/ess/Makefile
  asn1/ftam/Makefile
  asn1/goose/Makefile
  asn1/gprscdr/Makefile
  asn1/gsm_map/Makefile
  asn1/h225/Makefile
  asn1/h235/Makefile
  asn1/h245/Makefile
  asn1/h248/Makefile
  asn1/h282/Makefile
  asn1/h283/Makefile
  asn1/h323/Makefile
  asn1/h450/Makefile
  asn1/h450-ros/Makefile
  asn1/h460/Makefile
  asn1/h501/Makefile
  asn1/HI2Operations/Makefile
  asn1/hnbap/Makefile
  asn1/idmp/Makefile
  asn1/ilp/Makefile
  asn1/inap/Makefile
  asn1/isdn-sup/Makefile
  asn1/kerberos/Makefile
  asn1/lcsap/Makefile
  asn1/ldap/Makefile
  asn1/logotypecertextn/Makefile
  asn1/lpp/Makefile
  asn1/lppa/Makefile
  asn1/lppe/Makefile
  asn1/lte-rrc/Makefile
  asn1/m3ap/Makefile
  asn1/mms/Makefile
  asn1/mpeg-audio/Makefile
  asn1/mpeg-pes/Makefile
  asn1/nbap/Makefile
  asn1/ns_cert_exts/Makefile
  asn1/novell_pkis/Makefile
  asn1/ocsp/Makefile
  asn1/p1/Makefile
  asn1/p22/Makefile
  asn1/p7/Makefile
  asn1/p772/Makefile
  asn1/pcap/Makefile
  asn1/pkcs1/Makefile
  asn1/pkcs12/Makefile
  asn1/pkinit/Makefile
  asn1/pkixac/Makefile
  asn1/pkix1explicit/Makefile
  asn1/pkix1implicit/Makefile
  asn1/pkixproxy/Makefile
  asn1/pkixqualified/Makefile
  asn1/pkixtsp/Makefile
  asn1/pres/Makefile
  asn1/q932/Makefile
  asn1/q932-ros/Makefile
  asn1/qsig/Makefile
  asn1/ranap/Makefile
  asn1/rnsap/Makefile
  asn1/ros/Makefile
  asn1/rrc/Makefile
  asn1/rrlp/Makefile
  asn1/rtse/Makefile
  asn1/rua/Makefile
  asn1/s1ap/Makefile
  asn1/sabp/Makefile
  asn1/sbc-ap/Makefile
  asn1/smrse/Makefile
  asn1/snmp/Makefile
  asn1/spnego/Makefile
  asn1/sv/Makefile
  asn1/t124/Makefile
  asn1/t125/Makefile
  asn1/t38/Makefile
  asn1/tcap/Makefile
  asn1/tetra/Makefile
  asn1/ulp/Makefile
  asn1/wlancertextn/Makefile
  asn1/x2ap/Makefile
  asn1/x509af/Makefile
  asn1/x509ce/Makefile
  asn1/x509if/Makefile
  asn1/x509sat/Makefile
  asn1/x721/Makefile
  capchild/Makefile
  capchild/doxygen.cfg
  caputils/Makefile
  caputils/doxygen.cfg
  doc/Makefile
  docbook/Makefile
  epan/Makefile
  epan/compress/Makefile
  epan/crypt/Makefile
  epan/doxygen.cfg
  epan/dfilter/Makefile
  epan/dissectors/Makefile
  epan/dissectors/dcerpc/Makefile
  epan/dissectors/pidl/Makefile
  epan/ftypes/Makefile
  epan/nghttp2/Makefile
  epan/wmem/Makefile
  epan/wslua/Makefile
  codecs/Makefile
  ui/Makefile
  ui/doxygen.cfg
  ui/gtk/Makefile
  ui/gtk/doxygen.cfg
  ui/cli/Makefile
  ui/qt/Makefile
  ui/qt/doxygen.cfg
  help/Makefile
  packaging/Makefile
  packaging/macosx/Info.plist
  packaging/macosx/Makefile
  packaging/macosx/osx-dmg.sh
  packaging/macosx/Wireshark_package.pmdoc/index.xml
  packaging/nsis/Makefile
  packaging/rpm/Makefile
  packaging/rpm/SPECS/Makefile
  packaging/rpm/SPECS/wireshark.spec
  packaging/svr4/Makefile
  packaging/svr4/checkinstall
  packaging/svr4/pkginfo
  plugins/Makefile
  plugins/docsis/Makefile
  plugins/easy_codec/Makefile
  plugins/ethercat/Makefile
  plugins/gryphon/Makefile
  plugins/irda/Makefile
  plugins/m2m/Makefile
  plugins/mate/Makefile
  plugins/opcua/Makefile
  plugins/profinet/Makefile
  plugins/stats_tree/Makefile
  plugins/unistim/Makefile
  plugins/wimax/Makefile
  plugins/wimaxasncp/Makefile
  plugins/wimaxmacphy/Makefile
  tools/Makefile
  tools/lemon/Makefile
  wiretap/Makefile
  wsutil/Makefile
  echld/Makefile
  _CUSTOM_AC_OUTPUT_
  ,)
dnl AC_CONFIG_FILES([tools/setuid-root.pl], [chmod +x tools/setuid-root.pl])


# Pretty messages

if test "x$have_gtk" = "xyes"; then
	if test "x$with_gtk3" = "xyes"; then
		gtk_lib_message=" (with GTK+ 3"
	else
		gtk_lib_message=" (with GTK+ 2"
	fi
	if test "x$have_ige_mac" = "xyes"; then
		gtk_lib_message="$gtk_lib_message and Mac OS X integration)"
	else
		gtk_lib_message="$gtk_lib_message)"
	fi
fi

if test "x$have_qt" = "xyes" ; then
	enable_wireshark_qt="yes"
else
	enable_wireshark_qt="no"
fi

if test "x$enable_setcap_install" = "xyes" ; then
	setcap_message="yes"
else
	setcap_message="no"
fi

if test "x$enable_setuid_install" = "xyes" ; then
	setuid_message="yes"
else
	setuid_message="no"
fi

if test "x$DUMPCAP_GROUP" = "x" ; then
	dumpcap_group_message="(none)"
else
	dumpcap_group_message="$DUMPCAP_GROUP"
fi

if test "x$want_zlib" = "xno" ; then
	zlib_message="no"
else
	zlib_message="yes"
fi

if test "x$have_lua" = "xyes" ; then
	lua_message="yes"
else
	lua_message="no"
fi

if test "x$want_portaudio" = "xyes" ; then
	portaudio_message="yes"
else
	portaudio_message="no"
fi

if test "x$want_ssl" = "xno" ; then
	ssl_message="no"
else
	ssl_message="yes"
fi

if test "x$want_krb5" = "xno" ; then
	krb5_message="no"
else
	krb5_message="yes ($ac_krb5_version)"
fi

if test "x$have_good_c_ares" = "xyes" ; then
	c_ares_message="yes"
else
	c_ares_message="no"
fi

if test "x$have_good_adns" = "xyes" ; then
	adns_message="yes"
else
	if test "x$have_good_c_ares" = "xyes" ; then
		adns_message="no (using c-ares instead)"
	else
		adns_message="no"
	fi
fi

if test "x$have_good_libcap" = "xyes" ; then
	libcap_message="yes"
else
	libcap_message="no"
fi

if test "x$have_good_geoip" = "xyes" ; then
	geoip_message="yes"
else
	geoip_message="no"
fi

echo ""
echo "The Wireshark package has been configured with the following options."
echo "                    Build wireshark : $enable_wireshark_qt"
echo "                Build wireshark-gtk : $have_gtk""$gtk_lib_message"
echo "                       Build tshark : $enable_tshark"
echo "                      Build tfshark : $enable_tfshark"
echo "                     Build capinfos : $enable_capinfos"
echo "                      Build captype : $enable_captype"
echo "                      Build editcap : $enable_editcap"
echo "                      Build dumpcap : $enable_dumpcap"
echo "                     Build mergecap : $enable_mergecap"
echo "                   Build reordercap : $enable_reordercap"
echo "                    Build text2pcap : $enable_text2pcap"
echo "                      Build randpkt : $enable_randpkt"
echo "                       Build dftest : $enable_dftest"
echo "                     Build rawshark : $enable_rawshark"
echo "                        Build echld : $have_echld"
echo ""
echo "   Save files as pcap-ng by default : $enable_pcap_ng_default"
echo "  Install dumpcap with capabilities : $setcap_message"
echo "             Install dumpcap setuid : $setuid_message"
echo "                  Use dumpcap group : $dumpcap_group_message"
echo "                        Use plugins : $have_plugins"
echo "       Use external capture sources : $have_extcap"
echo "                    Use Lua library : $lua_message"
echo "                   Build rtp_player : $portaudio_message"
echo "             Build profile binaries : $enable_profile_build"
echo "                   Use pcap library : $want_pcap"
echo "                   Use zlib library : $zlib_message"
echo "               Use kerberos library : $krb5_message"
echo "                 Use c-ares library : $c_ares_message"
echo "               Use GNU ADNS library : $adns_message"
echo "                Use SMI MIB library : $libsmi_message"
echo "             Use GNU crypto library : $gcrypt_message"
echo "             Use SSL crypto library : $ssl_message"
echo "           Use IPv6 name resolution : $enable_ipv6"
echo "                 Use gnutls library : $tls_message"
echo "     Use POSIX capabilities library : $libcap_message"
echo "                  Use GeoIP library : $geoip_message"
echo "                     Use nl library : $libnl_message"
echo "              Use SBC codec library : $have_sbc"