summaryrefslogtreecommitdiffstats
path: root/CMakeLists.txt
blob: bfea2dd1a974e4210ab1f5376706895b41e42999 (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
# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# The Original Code is Copyright (C) 2006, Blender Foundation
# All rights reserved.
#
# The Original Code is: all of this file.
#
# Contributor(s): Jacques Beaurain.
#
# ***** END GPL LICENSE BLOCK *****

#-----------------------------------------------------------------------------
# We don't allow in-source builds. This causes no end of troubles because
# all out-of-source builds will use the CMakeCache.txt file there and even
# build the libs and objects in it.

if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
	if(NOT DEFINED WITH_IN_SOURCE_BUILD)
		message(FATAL_ERROR
			"CMake generation for blender is not allowed within the source directory!"
			"\n Remove \"${CMAKE_SOURCE_DIR}/CMakeCache.txt\" and try again from another folder, e.g.:"
			"\n "
			"\n rm CMakeCache.txt"
			"\n cd .."
			"\n mkdir cmake-make"
			"\n cd cmake-make"
			"\n cmake ../blender"
			"\n "
			"\n Alternately define WITH_IN_SOURCE_BUILD to force this option (not recommended!)"
		)
	endif()
endif()

cmake_minimum_required(VERSION 2.8)

if(NOT EXECUTABLE_OUTPUT_PATH)
	set(FIRST_RUN TRUE)
else()
	set(FIRST_RUN FALSE)
endif()

# this starts out unset
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/build_files/cmake/Modules")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/build_files/cmake/platform")

# avoid having empty buildtype
if(NOT DEFINED CMAKE_BUILD_TYPE_INIT)
	set(CMAKE_BUILD_TYPE_INIT "Release")
endif()

# quiet output for Makefiles, 'make -s' helps too
# set_property(GLOBAL PROPERTY RULE_MESSAGES OFF)

# global compile definitions since add_definitions() adds for all.

if(NOT (${CMAKE_VERSION} VERSION_LESS 3.0))
	set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS
		$<$<CONFIG:Debug>:DEBUG;_DEBUG>
		$<$<CONFIG:Release>:NDEBUG>
		$<$<CONFIG:MinSizeRel>:NDEBUG>
		$<$<CONFIG:RelWithDebInfo>:NDEBUG>
	)
else()
	# keep until CMake-3.0 is min requirement
	set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG           DEBUG _DEBUG)
	set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELEASE         NDEBUG)
	set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_MINSIZEREL      NDEBUG)
	set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELWITHDEBINFO  NDEBUG)
endif()

#-----------------------------------------------------------------------------
# Set policy

# see "cmake --help-policy CMP0003"
# So library linking is more sane
cmake_policy(SET CMP0003 NEW)

# So BUILDINFO and BLENDERPATH strings are automatically quoted
cmake_policy(SET CMP0005 NEW)

# So syntax problems are errors
cmake_policy(SET CMP0010 NEW)

# Input directories must have CMakeLists.txt
cmake_policy(SET CMP0014 NEW)

#-----------------------------------------------------------------------------
# Load some macros.
include(build_files/cmake/macros.cmake)


#-----------------------------------------------------------------------------
# Initialize project.

blender_project_hack_pre()

project(Blender)

blender_project_hack_post()

enable_testing()

#-----------------------------------------------------------------------------
# Redirect output files

set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin CACHE INTERNAL "" FORCE)
set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib CACHE INTERNAL "" FORCE)
set(TESTS_OUTPUT_DIR ${EXECUTABLE_OUTPUT_PATH}/tests CACHE INTERNAL "" FORCE)

#-----------------------------------------------------------------------------
# Set default config options

get_blender_version()


#-----------------------------------------------------------------------------
# Platform Specific Defaults

# list of var-names
set(_init_vars)

# initialize to ON
macro(option_defaults_init)
	foreach(_var ${ARGV})
		set(${_var} ON)
		list(APPEND _init_vars "${_var}")
	endforeach()
	unset(_var)
endmacro()

# remove from namespace
macro(option_defaults_clear)
	foreach(_var ${_init_vars})
		unset(${_var})
	endforeach()
	unset(_var)
	unset(_init_vars)
endmacro()


# values to initialize WITH_****
option_defaults_init(
	_init_BUILDINFO
	_init_CODEC_FFMPEG
	_init_CYCLES_OSL
	_init_CYCLES_OPENSUBDIV
	_init_IMAGE_OPENEXR
	_init_INPUT_NDOF
	_init_JACK
	_init_OPENCOLLADA
	_init_OPENCOLORIO
	_init_SDL
	_init_FFTW3
	_init_GAMEENGINE
	_init_OPENSUBDIV
)

# customize...
if(UNIX AND NOT APPLE)
	# some of these libraries are problematic on Linux
	# disable less important dependencies by default
	set(_init_CODEC_FFMPEG                   OFF)
	set(_init_CYCLES_OSL                     OFF)
	set(_init_CYCLES_OPENSUBDIV              OFF)
	set(_init_IMAGE_OPENEXR                  OFF)
	set(_init_JACK                           OFF)
	set(_init_OPENCOLLADA                    OFF)
	set(_init_OPENCOLORIO                    OFF)
	set(_init_SDL                            OFF)
	set(_init_FFTW3                          OFF)
	set(_init_OPENSUBDIV                     OFF)
elseif(WIN32)
	set(_init_JACK                           OFF)
elseif(APPLE)
	set(_init_JACK                           OFF)
	set(_init_OPENSUBDIV                     OFF)
endif()


#-----------------------------------------------------------------------------
# Options

# First platform specific non-cached vars
if(UNIX AND NOT APPLE)
	set(WITH_X11 ON)
endif()

# Blender internal features
option(WITH_BLENDER "Build blender (disable to build only the blender player)" ON)
mark_as_advanced(WITH_BLENDER)

option(WITH_INTERNATIONAL "Enable I18N (International fonts and text)" ON)

option(WITH_PYTHON        "Enable Embedded Python API  (only disable for development)" ON)
option(WITH_PYTHON_SECURITY "Disables execution of scripts within blend files by default" ON) 
mark_as_advanced(WITH_PYTHON)  # dont want people disabling this unless they really know what they are doing.
mark_as_advanced(WITH_PYTHON_SECURITY)  # some distributions see this as a security issue, rather than have them patch it, make a build option.

option(WITH_PYTHON_SAFETY "Enable internal API error checking to track invalid data to prevent crash on access (at the expense of some effeciency, only enable for development)." OFF)
mark_as_advanced(WITH_PYTHON_SAFETY)
option(WITH_PYTHON_MODULE "Enable building as a python module which runs without a user interface, like running regular blender in background mode (experimental, only enable for development), installs to PYTHON_SITE_PACKAGES (or CMAKE_INSTALL_PREFIX if WITH_INSTALL_PORTABLE is enabled)." OFF)
if(APPLE)
	option(WITH_PYTHON_FRAMEWORK "Enable building using the Python available in the framework (OSX only)" OFF)
endif()

option(WITH_BUILDINFO     "Include extra build details (only disable for development & faster builds)" ${_init_BUILDINFO})
if(${CMAKE_VERSION} VERSION_LESS 2.8.8)
	# add_library OBJECT arg unsupported
	set(WITH_BUILDINFO OFF)
endif()
set(BUILDINFO_OVERRIDE_DATE "" CACHE STRING "Use instead of the current date for reproducable builds (empty string disables this option)")
set(BUILDINFO_OVERRIDE_TIME "" CACHE STRING "Use instead of the current time for reproducable builds (empty string disables this option)")
set(CPACK_OVERRIDE_PACKAGENAME "" CACHE STRING "Use instead of the standard packagename (empty string disables this option)")
mark_as_advanced(CPACK_OVERRIDE_PACKAGENAME)
mark_as_advanced(BUILDINFO_OVERRIDE_DATE)
mark_as_advanced(BUILDINFO_OVERRIDE_TIME)

option(WITH_IK_ITASC      "Enable ITASC IK solver (only disable for development & for incompatible C++ compilers)" ON)
option(WITH_IK_SOLVER     "Enable Legacy IK solver (only disable for development)" ON)
option(WITH_FFTW3         "Enable FFTW3 support (Used for smoke, ocean sim, and audio effects)" ${_init_FFTW3})
option(WITH_BULLET        "Enable Bullet (Physics Engine)" ON)
option(WITH_SYSTEM_BULLET "Use the systems bullet library (currently unsupported due to missing features in upstream!)" )
mark_as_advanced(WITH_SYSTEM_BULLET)
option(WITH_GAMEENGINE    "Enable Game Engine" ${_init_GAMEENGINE})
if(APPLE)
	set(WITH_GAMEENGINE_DECKLINK OFF)
else()
	option(WITH_GAMEENGINE_DECKLINK "Support BlackMagicDesign DeckLink cards in the Game Engine" ON)
endif()
option(WITH_PLAYER        "Build Player" OFF)
option(WITH_OPENCOLORIO   "Enable OpenColorIO color management" ${_init_OPENCOLORIO})

# Compositor
option(WITH_COMPOSITOR         "Enable the tile based nodal compositor" ON)

option(WITH_OPENSUBDIV    "Enable OpenSubdiv for surface subdivision" _init_OPENSUBDIV)

option(WITH_OPENVDB       "Enable features relying on OpenVDB" OFF)
option(WITH_OPENVDB_BLOSC "Enable blosc compression for OpenVDB, only enable if OpenVDB was built with blosc support" OFF)

# GHOST Windowing Library Options
option(WITH_GHOST_DEBUG   "Enable debugging output for the GHOST library" OFF)
mark_as_advanced(WITH_GHOST_DEBUG)

option(WITH_GHOST_SDL    "Enable building Blender against SDL for windowing rather than the native APIs" OFF)
mark_as_advanced(WITH_GHOST_SDL)

if(WITH_X11)
	option(WITH_GHOST_XDND    "Enable drag'n'drop support on X11 using XDND protocol" ON)
endif()

# Misc...
option(WITH_HEADLESS      "Build without graphical support (renderfarm, server mode only)" OFF)
mark_as_advanced(WITH_HEADLESS)

option(WITH_AUDASPACE    "Build with blenders audio library (only disable if you know what you're doing!)" ON)
option(WITH_SYSTEM_AUDASPACE "Build with external audaspace library installed on the system (only enable if you know what you're doing!)" OFF)
mark_as_advanced(WITH_AUDASPACE)
mark_as_advanced(WITH_SYSTEM_AUDASPACE)

if(NOT WITH_AUDASPACE)
	set(WITH_SYSTEM_AUDASPACE OFF)
endif()

option(WITH_OPENMP        "Enable OpenMP (has to be supported by the compiler)" ON)
if(UNIX AND NOT APPLE)
	option(WITH_OPENMP_STATIC "Link OpenMP statically (only used by the release environment)" OFF)
	mark_as_advanced(WITH_OPENMP_STATIC)
endif()

if(WITH_X11)
	option(WITH_X11_XINPUT    "Enable X11 Xinput (tablet support and unicode input)"  ON)
	option(WITH_X11_XF86VMODE "Enable X11 video mode switching"                       ON)
	option(WITH_X11_XFIXES    "Enable X11 XWayland cursor warping workaround"         ON)
	option(WITH_X11_ALPHA     "Enable X11 transparent background"                     ON)
endif()

if(UNIX AND NOT APPLE)
	option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the operating system" ON)
	option(WITH_SYSTEM_GLES "Use OpenGL ES library provided by the operating system"           ON)
else()
	# not an option for other OS's
	set(WITH_SYSTEM_GLEW OFF)
	set(WITH_SYSTEM_GLES OFF)
endif()


# (unix defaults to System OpenJPEG On)
option(WITH_SYSTEM_OPENJPEG "Use the operating systems OpenJPEG library" OFF)

if(UNIX AND NOT APPLE)
	option(WITH_SYSTEM_EIGEN3 "Use the systems Eigen3 library" OFF)
endif()


# Modifiers
option(WITH_MOD_FLUID           "Enable Elbeem Modifier (Fluid Simulation)" ON)
option(WITH_MOD_SMOKE           "Enable Smoke Modifier (Smoke Simulation)" ON)
option(WITH_MOD_BOOLEAN         "Enable Boolean Modifier" ON)
option(WITH_MOD_REMESH          "Enable Remesh Modifier" ON)
# option(WITH_MOD_CLOTH_ELTOPO    "Enable Experimental cloth solver" OFF)  # this is now only available in a branch
# mark_as_advanced(WITH_MOD_CLOTH_ELTOPO)
option(WITH_MOD_OCEANSIM        "Enable Ocean Modifier" OFF)

# Image format support
option(WITH_OPENIMAGEIO         "Enable OpenImageIO Support (http://www.openimageio.org)" ON)
option(WITH_IMAGE_OPENEXR       "Enable OpenEXR Support (http://www.openexr.com)" ${_init_IMAGE_OPENEXR})
option(WITH_IMAGE_OPENJPEG      "Enable OpenJpeg Support (http://www.openjpeg.org)" ON)
option(WITH_IMAGE_TIFF          "Enable LibTIFF Support" ON)
option(WITH_IMAGE_DDS           "Enable DDS Image Support" ON)
option(WITH_IMAGE_CINEON        "Enable CINEON and DPX Image Support" ON)
option(WITH_IMAGE_HDR           "Enable HDR Image Support" ON)
option(WITH_IMAGE_FRAMESERVER   "Enable image FrameServer Support for rendering" ON)

# Audio/Video format support
option(WITH_CODEC_AVI           "Enable Blenders own AVI file support (raw/jpeg)" ON)
option(WITH_CODEC_FFMPEG        "Enable FFMPeg Support (http://ffmpeg.org)" ${_init_CODEC_FFMPEG})
option(WITH_CODEC_SNDFILE       "Enable libsndfile Support (http://www.mega-nerd.com/libsndfile)" OFF)

# Alembic support
option(WITH_ALEMBIC             "Enable Alembic Support" OFF)
option(WITH_ALEMBIC_HDF5        "Enable Legacy Alembic Support (not officially supported)" OFF)

if(APPLE)
	option(WITH_CODEC_QUICKTIME     "Enable Quicktime Support" OFF)
endif()

# 3D format support
# Disable opencollada when we don't have precompiled libs
option(WITH_OPENCOLLADA   "Enable OpenCollada Support (http://www.opencollada.org)" ${_init_OPENCOLLADA})

# Sound output
option(WITH_SDL           "Enable SDL for sound and joystick support" ${_init_SDL})
option(WITH_OPENAL        "Enable OpenAL Support (http://www.openal.org)" ON)
option(WITH_JACK          "Enable JACK Support (http://www.jackaudio.org)" ${_init_JACK})
if(UNIX AND NOT APPLE)
	option(WITH_JACK_DYNLOAD  "Enable runtime dynamic JACK libraries loading" OFF)
endif()
if(UNIX AND NOT APPLE)
	option(WITH_SDL_DYNLOAD  "Enable runtime dynamic SDL libraries loading" OFF)
endif()

# Compression
option(WITH_LZO           "Enable fast LZO compression (used for pointcache)" ON)
option(WITH_LZMA          "Enable best LZMA compression, (used for pointcache)" ON)
if(UNIX AND NOT APPLE)
	option(WITH_SYSTEM_LZO    "Use the system LZO library" OFF)
endif()

# Camera/motion tracking
option(WITH_LIBMV         "Enable Libmv structure from motion library" ON)
option(WITH_LIBMV_SCHUR_SPECIALIZATIONS "Enable fixed-size schur specializations." OFF)
mark_as_advanced(WITH_LIBMV_SCHUR_SPECIALIZATIONS)

# Logging/unbit test libraries.
option(WITH_SYSTEM_GFLAGS   "Use system-wide Gflags instead of a bundled one" OFF)
option(WITH_SYSTEM_GLOG     "Use system-wide Glog instead of a bundled one" OFF)
mark_as_advanced(WITH_SYSTEM_GFLAGS)
mark_as_advanced(WITH_SYSTEM_GLOG)

# Freestyle
option(WITH_FREESTYLE     "Enable Freestyle (advanced edges rendering)" ON)

# Misc
if(WIN32)
	option(WITH_INPUT_IME "Enable Input Method Editor (IME) for complex Asian character input" ON)
endif()
option(WITH_INPUT_NDOF "Enable NDOF input devices (SpaceNavigator and friends)" ${_init_INPUT_NDOF})
option(WITH_RAYOPTIMIZATION	"Enable use of SIMD (SSE) optimizations for the raytracer" ON)
if(UNIX AND NOT APPLE)
	option(WITH_INSTALL_PORTABLE "Install redistributeable runtime, otherwise install into CMAKE_INSTALL_PREFIX" ON)
	option(WITH_STATIC_LIBS "Try to link with static libraries, as much as possible, to make blender more portable across distributions" OFF)
	if(WITH_STATIC_LIBS)
		option(WITH_BOOST_ICU "Boost uses ICU library (required for linking with static Boost built with libicu)." OFF)
		mark_as_advanced(WITH_BOOST_ICU)
	endif()
endif()

option(WITH_PYTHON_INSTALL       "Copy system python into the blender install folder" ON)
if(WITH_PYTHON_INSTALL)
	option(WITH_PYTHON_INSTALL_NUMPY "Copy system numpy into the blender install folder"  ON)
	set(PYTHON_NUMPY_PATH            "" CACHE PATH "Path to python site-packages or dist-packages containing 'numpy' module")
	mark_as_advanced(PYTHON_NUMPY_PATH)

	if(UNIX AND NOT APPLE)
		option(WITH_PYTHON_INSTALL_REQUESTS "Copy system requests into the blender install folder" ON)
		set(PYTHON_REQUESTS_PATH "" CACHE PATH "Path to python site-packages or dist-packages containing 'requests' module")
		mark_as_advanced(PYTHON_REQUESTS_PATH)
	endif()
endif()

option(WITH_CPU_SSE              "Enable SIMD instruction if they're detected on the host machine" ON)
mark_as_advanced(WITH_CPU_SSE)

# Cycles
option(WITH_CYCLES					"Enable Cycles Render Engine" ON)
option(WITH_CYCLES_STANDALONE		"Build Cycles standalone application" OFF)
option(WITH_CYCLES_STANDALONE_GUI	"Build Cycles standalone with GUI" OFF)
option(WITH_CYCLES_OSL				"Build Cycles with OSL support" ${_init_CYCLES_OSL})
option(WITH_CYCLES_OPENSUBDIV		"Build Cycles with OpenSubdiv support" ${_init_CYCLES_OPENSUBDIV})
option(WITH_CYCLES_CUDA_BINARIES	"Build Cycles CUDA binaries" OFF)
set(CYCLES_CUDA_BINARIES_ARCH sm_20 sm_21 sm_30 sm_35 sm_37 sm_50 sm_52 sm_60 sm_61 CACHE STRING "CUDA architectures to build binaries for")
mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
unset(PLATFORM_DEFAULT)
option(WITH_CYCLES_LOGGING	"Build Cycles with logging support" ON)
option(WITH_CYCLES_DEBUG	"Build Cycles with extra debug capabilities" OFF)
option(WITH_CYCLES_NATIVE_ONLY	"Build Cycles with native kernel only (which fits current CPU, use for development only)" OFF)
mark_as_advanced(WITH_CYCLES_LOGGING)
mark_as_advanced(WITH_CYCLES_DEBUG)
mark_as_advanced(WITH_CYCLES_NATIVE_ONLY)

option(WITH_CUDA_DYNLOAD "Dynamically load CUDA libraries at runtime" ON)
mark_as_advanced(WITH_CUDA_DYNLOAD)

# LLVM
option(WITH_LLVM					"Use LLVM" OFF)
if(APPLE)
	option(LLVM_STATIC					"Link with LLVM static libraries" ON) # we prefer static llvm build on Apple, dyn build possible though
else()
	option(LLVM_STATIC					"Link with LLVM static libraries" OFF)
endif()
mark_as_advanced(LLVM_STATIC)

# disable for now, but plan to support on all platforms eventually
option(WITH_MEM_JEMALLOC   "Enable malloc replacement (http://www.canonware.com/jemalloc)" ON)
mark_as_advanced(WITH_MEM_JEMALLOC)

# currently only used for BLI_mempool
option(WITH_MEM_VALGRIND "Enable extended valgrind support for better reporting" OFF)
mark_as_advanced(WITH_MEM_VALGRIND)

# Debug
option(WITH_CXX_GUARDEDALLOC "Enable GuardedAlloc for C++ memory allocation tracking (only enable for development)" OFF)
mark_as_advanced(WITH_CXX_GUARDEDALLOC)

option(WITH_ASSERT_ABORT "Call abort() when raising an assertion through BLI_assert()" OFF)
mark_as_advanced(WITH_ASSERT_ABORT)

option(WITH_BOOST					"Enable features depending on boost" ON)

# Unit testsing
option(WITH_GTESTS "Enable GTest unit testing" OFF)
option(WITH_OPENGL_TESTS "Enable OpenGL related unit testing (Experimental)" OFF)


# Documentation
if(UNIX AND NOT APPLE)
	option(WITH_DOC_MANPAGE "Create a manual page (Unix manpage)" OFF)
endif()


# OpenGL

option(WITH_GLEW_MX             "Support multiple GLEW contexts (experimental)"                                                                     OFF )
option(WITH_GLEW_ES             "Switches to experimental copy of GLEW that has support for OpenGL ES. (temporary option for development purposes)" OFF)
option(WITH_GL_EGL              "Use the EGL OpenGL system library instead of the platform specific OpenGL system library (CGL, glX, or WGL)"       OFF)
option(WITH_GL_PROFILE_COMPAT   "Support using the OpenGL 'compatibility' profile. (deprecated)"                                                    ON )
option(WITH_GL_PROFILE_CORE     "Support using the OpenGL 3.2+ 'core' profile."                                                                     OFF)
option(WITH_GL_PROFILE_ES20     "Support using OpenGL ES 2.0. (thru either EGL or the AGL/WGL/XGL 'es20' profile)"                                  OFF)

mark_as_advanced(
	WITH_GLEW_MX
	WITH_GLEW_ES
	WITH_GL_EGL
	WITH_GL_PROFILE_COMPAT
	WITH_GL_PROFILE_CORE
	WITH_GL_PROFILE_ES20
)

if(WITH_GL_PROFILE_COMPAT)
	set(WITH_GLU ON)
else()
	set(WITH_GLU OFF)
endif()

if(WIN32)
	option(WITH_GL_ANGLE "Link with the ANGLE library, an OpenGL ES 2.0 implementation based on Direct3D, instead of the system OpenGL library." OFF)
	mark_as_advanced(WITH_GL_ANGLE)
endif()

if(WITH_GLEW_ES AND WITH_SYSTEM_GLEW)
	message(WARNING Ignoring WITH_SYSTEM_GLEW and using WITH_GLEW_ES)
	set(WITH_SYSTEM_GLEW OFF)
endif()

if(WIN32)
	getDefaultWindowsPrefixBase(CMAKE_GENERIC_PROGRAM_FILES)
	set(CPACK_INSTALL_PREFIX ${CMAKE_GENERIC_PROGRAM_FILES}/${})
endif()

# Experimental support of C11 and C++11
#
# We default options to whatever default standard in the current compiler.
if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0") AND (NOT WITH_CXX11))
	set(_c11_init ON)
	set(_cxx11_init ON)
else()
	set(_c11_init OFF)
	set(_cxx11_init OFF)
endif()

option(WITH_C11 "Build with C11 standard enabled, for development use only!" ${_c11_init})
mark_as_advanced(WITH_C11)
option(WITH_CXX11 "Build with C++11 standard enabled, for development use only!" ${_cxx11_init})
mark_as_advanced(WITH_CXX11)

# Compiler toolchain
if(CMAKE_COMPILER_IS_GNUCC)
	option(WITH_LINKER_GOLD "Use ld.gold linker which is usually faster than ld.bfd" ON)
	mark_as_advanced(WITH_LINKER_GOLD)
endif()

# Dependency graph
option(WITH_LEGACY_DEPSGRAPH "Build Blender with legacy dependency graph" ON)
mark_as_advanced(WITH_LEGACY_DEPSGRAPH)

if(WIN32)
	# Use hardcoded paths or find_package to find externals
	option(WITH_WINDOWS_FIND_MODULES "Use find_package to locate libraries" OFF)
	mark_as_advanced(WITH_WINDOWS_FIND_MODULES)

	option(WITH_WINDOWS_CODESIGN "Use signtool to sign the final binary." OFF)
	mark_as_advanced(WITH_WINDOWS_CODESIGN)

	set(WINDOWS_CODESIGN_PFX CACHE FILEPATH  "Path to pfx file to use for codesigning.")
	mark_as_advanced(WINDOWS_CODESIGN_PFX)

	set(WINDOWS_CODESIGN_PFX_PASSWORD CACHE STRING  "password for pfx file used for codesigning.")
	mark_as_advanced(WINDOWS_CODESIGN_PFX_PASSWORD)
endif()

# avoid using again
option_defaults_clear()

# end option(...)



# By default we want to install to the directory we are compiling our executables
# unless specified otherwise, which we currently do not allow
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
	if(WIN32)
		set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
	elseif(APPLE)
		set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
	else()
		if(WITH_INSTALL_PORTABLE)
			set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH} CACHE PATH "default install path" FORCE)
		endif()
	endif()
endif()



# Apple

if(APPLE)
	include(platform_apple_xcode)
endif()


#-----------------------------------------------------------------------------
# Check for conflicting/unsupported configurations

if(NOT WITH_BLENDER AND NOT WITH_PLAYER AND NOT WITH_CYCLES_STANDALONE)
	message(FATAL_ERROR
		"At least one of WITH_BLENDER or WITH_PLAYER or "
		"WITH_CYCLES_STANDALONE must be enabled, nothing to do!"
	)
endif()

if(NOT WITH_GAMEENGINE AND WITH_PLAYER)
	message(FATAL_ERROR "WITH_PLAYER requires WITH_GAMEENGINE")
endif()

if(NOT WITH_AUDASPACE)
	if(WITH_OPENAL)
		message(FATAL_ERROR "WITH_OPENAL requires WITH_AUDASPACE")
	endif()
	if(WITH_JACK)
		message(FATAL_ERROR "WITH_JACK requires WITH_AUDASPACE")
	endif()
	if(WITH_GAMEENGINE)
		message(FATAL_ERROR "WITH_GAMEENGINE requires WITH_AUDASPACE")
	endif()
endif()

if(NOT WITH_SDL AND WITH_GHOST_SDL)
	message(FATAL_ERROR "WITH_GHOST_SDL requires WITH_SDL")
endif()

# python module, needs some different options
if(WITH_PYTHON_MODULE AND WITH_PLAYER)
	message(FATAL_ERROR "WITH_PYTHON_MODULE requires WITH_PLAYER to be OFF")
endif()

if(WITH_PYTHON_MODULE AND WITH_PYTHON_INSTALL)
	message(FATAL_ERROR "WITH_PYTHON_MODULE requires WITH_PYTHON_INSTALL to be OFF")
endif()


# may as well build python module without a UI
if(WITH_PYTHON_MODULE)
	set(WITH_HEADLESS ON)
endif()

if(NOT WITH_PYTHON)
	set(WITH_CYCLES OFF)
endif()

# enable boost for cycles, audaspace or i18n
# otherwise if the user disabled
if(NOT WITH_BOOST)
	# Explicitly disabled. so disable all deps.
	macro(set_and_warn
		_setting _val)
		if(${${_setting}})
			message(STATUS "'WITH_BOOST' is disabled: forcing 'set(${_setting} ${_val})'")
		endif()
		set(${_setting} ${_val})
	endmacro()

	set_and_warn(WITH_CYCLES         OFF)
	set_and_warn(WITH_AUDASPACE      OFF)
	set_and_warn(WITH_INTERNATIONAL  OFF)
	set_and_warn(WITH_OPENVDB        OFF)
	set_and_warn(WITH_OPENCOLORIO    OFF)
	set_and_warn(WITH_MOD_BOOLEAN    OFF)

	set_and_warn(WITH_OPENAL         OFF)  # depends on AUDASPACE
	set_and_warn(WITH_GAMEENGINE     OFF)  # depends on AUDASPACE
	set_and_warn(WITH_PLAYER         OFF)  # depends on GAMEENGINE
elseif(WITH_CYCLES OR WITH_OPENIMAGEIO OR WITH_AUDASPACE OR WITH_INTERNATIONAL OR
       WITH_OPENVDB OR WITH_OPENCOLORIO OR WITH_MOD_BOOLEAN)
	# Keep enabled
else()
	# New dependency graph needs either Boost or C++11 for function bindings.
	if(NOT WITH_CXX11)
		# Enabled but we don't need it
		set(WITH_BOOST OFF)
	endif()
endif()

# auto enable openimageio for cycles
if(WITH_CYCLES)
	set(WITH_OPENIMAGEIO ON)

	# auto enable llvm for cycles_osl
	if(WITH_CYCLES_OSL)
		set(WITH_LLVM ON CACHE BOOL "" FORCE)
	endif()
else()
	set(WITH_CYCLES_OSL OFF)
endif()

# auto enable openimageio linking dependencies
if(WITH_OPENIMAGEIO)
	set(WITH_IMAGE_OPENEXR ON)
	set(WITH_IMAGE_TIFF ON)
endif()

# auto enable alembic linking dependencies
if(WITH_ALEMBIC)
	set(WITH_IMAGE_OPENEXR ON)
endif()

# don't store paths to libs for portable distribution
if(WITH_INSTALL_PORTABLE)
	set(CMAKE_SKIP_BUILD_RPATH TRUE)
endif()

if(WITH_GHOST_SDL OR WITH_HEADLESS)
	set(WITH_X11           OFF)
	set(WITH_X11_XINPUT    OFF)
	set(WITH_X11_XF86VMODE OFF)
	set(WITH_X11_XFIXES    OFF)
	set(WITH_X11_ALPHA     OFF)
	set(WITH_GHOST_XDND    OFF)
	set(WITH_INPUT_IME     OFF)
endif()

if(WITH_CPU_SSE)
	TEST_SSE_SUPPORT(COMPILER_SSE_FLAG COMPILER_SSE2_FLAG)
else()
	message(STATUS "SSE and SSE2 optimizations are DISABLED!")
	set(COMPILER_SSE_FLAG)
	set(COMPILER_SSE2_FLAG)
endif()

if(WITH_BUILDINFO)
	find_package(Git)
	if(NOT GIT_FOUND)
		message(WARNING "Git was not found, disabling WITH_BUILDINFO")
		set(WITH_BUILDINFO OFF)
	endif()
endif()

TEST_SHARED_PTR_SUPPORT()
TEST_UNORDERED_MAP_SUPPORT()

if(WITH_AUDASPACE)
	if(WITH_SYSTEM_AUDASPACE)
		set(AUDASPACE_DEFINITIONS
			-DWITH_AUDASPACE
			-DWITH_SYSTEM_AUDASPACE
			"-DAUD_DEVICE_H=<AUD_Device.h>"
			"-DAUD_SPECIAL_H=<AUD_Special.h>"
			"-DAUD_SOUND_H=<AUD_Sound.h>"
			"-DAUD_HANDLE_H=<AUD_Handle.h>"
			"-DAUD_SEQUENCE_H=<AUD_Sequence.h>"
			"-DAUD_TYPES_H=<AUD_Types.h>"
			"-DAUD_PYTHON_H=<python/PyAPI.h>"
		)
	else()
		set(AUDASPACE_C_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/intern/audaspace/intern")
		set(AUDASPACE_PY_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/intern/audaspace/intern")
		set(AUDASPACE_DEFINITIONS
			-DWITH_AUDASPACE
			"-DAUD_DEVICE_H=<AUD_C-API.h>"
			"-DAUD_SPECIAL_H=<AUD_C-API.h>"
			"-DAUD_SOUND_H=<AUD_C-API.h>"
			"-DAUD_HANDLE_H=<AUD_C-API.h>"
			"-DAUD_SEQUENCE_H=<AUD_C-API.h>"
			"-DAUD_TYPES_H=<AUD_Space.h>"
		)
	endif()
endif()

if(APPLE)
	apple_check_quicktime()
endif()

#-----------------------------------------------------------------------------
# Check for valid directories
# ... a partial checkout may cause this.
#
# note: we need to check for a known subdir in both cases.
#       since uninitialized git submodules will give blank dirs

if(WITH_INTERNATIONAL)
	if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/datafiles/locale/languages")
		message(WARNING
			"Translation path '${CMAKE_SOURCE_DIR}/release/datafiles/locale' is missing, "
			"This is a 'git submodule', which are known not to work with bridges to other version "
			"control systems, disabling 'WITH_INTERNATIONAL'."
		)
		set(WITH_INTERNATIONAL OFF)
	endif()
endif()

if(WITH_PYTHON)
	if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/scripts/addons/modules")
		message(WARNING
			"Addons path '${CMAKE_SOURCE_DIR}/release/scripts/addons' is missing, "
			"This is a 'git submodule', which are known not to work with bridges to other version "
			"control systems: * CONTINUING WITHOUT ADDONS *"
		)
	endif()
endif()

#-----------------------------------------------------------------------------
# Initialize un-cached vars, avoid unused warning

# linux only, not cached
set(WITH_BINRELOC OFF)

# MACOSX only, set to avoid uninitialized
set(EXETYPE "")

# C/C++ flags
set(PLATFORM_CFLAGS)

# these are added to later on.
set(C_WARNINGS)
set(CXX_WARNINGS)

# for gcc -Wno-blah-blah
set(CC_REMOVE_STRICT_FLAGS)

# libraries to link the binary with passed to target_link_libraries()
# known as LLIBS to scons
set(PLATFORM_LINKLIBS "")

# Added to linker flags in setup_liblinks
# - CMAKE_EXE_LINKER_FLAGS
# - CMAKE_EXE_LINKER_FLAGS_DEBUG
set(PLATFORM_LINKFLAGS "")
set(PLATFORM_LINKFLAGS_DEBUG "")


#-----------------------------------------------------------------------------
#Platform specifics

if(WITH_X11)
	find_package(X11 REQUIRED)

	find_path(X11_XF86keysym_INCLUDE_PATH X11/XF86keysym.h ${X11_INC_SEARCH_PATH})
	mark_as_advanced(X11_XF86keysym_INCLUDE_PATH)

	list(APPEND PLATFORM_LINKLIBS ${X11_X11_LIB})

	if(WITH_X11_XINPUT)
		if(X11_Xinput_LIB)
			list(APPEND PLATFORM_LINKLIBS ${X11_Xinput_LIB})
		else()
			set(WITH_X11_XINPUT OFF)
		endif()
	endif()

	if(WITH_X11_XF86VMODE)
		# XXX, why dont cmake make this available?
		find_library(X11_Xxf86vmode_LIB Xxf86vm   ${X11_LIB_SEARCH_PATH})
		mark_as_advanced(X11_Xxf86vmode_LIB)
		if(X11_Xxf86vmode_LIB)
			list(APPEND PLATFORM_LINKLIBS ${X11_Xxf86vmode_LIB})
		else()
			set(WITH_X11_XF86VMODE OFF)
		endif()
	endif()

	if(WITH_X11_XFIXES)
		if(X11_Xfixes_LIB)
			list(APPEND PLATFORM_LINKLIBS ${X11_Xfixes_LIB})
		else()
			set(WITH_X11_XFIXES OFF)
		endif()
	endif()

	if(WITH_X11_ALPHA)
		find_library(X11_Xrender_LIB Xrender  ${X11_LIB_SEARCH_PATH})
		mark_as_advanced(X11_Xrender_LIB)
		if(X11_Xrender_LIB)
			list(APPEND PLATFORM_LINKLIBS ${X11_Xrender_LIB})
		else()
			set(WITH_X11_ALPHA OFF)
		endif()
	endif()

endif()


# ----------------------------------------------------------------------------
# Main Platform Checks
#
# - UNIX
# - WIN32
# - APPLE

if(UNIX AND NOT APPLE)
	include(platform_unix)
elseif(WIN32)
	include(platform_win32)
elseif(APPLE)
	include(platform_apple)
endif()

#-----------------------------------------------------------------------------
# Common.

if(NOT WITH_FFTW3 AND WITH_MOD_OCEANSIM)
	message(FATAL_ERROR "WITH_MOD_OCEANSIM requires WITH_FFTW3 to be ON")
endif()

if(WITH_CYCLES)
	if(NOT WITH_OPENIMAGEIO)
		message(FATAL_ERROR
			"Cycles requires WITH_OPENIMAGEIO, the library may not have been found. "
			"Configure OIIO or disable WITH_CYCLES"
		)
	endif()
	if(NOT WITH_BOOST)
		message(FATAL_ERROR
			"Cycles requires WITH_BOOST, the library may not have been found. "
			"Configure BOOST or disable WITH_CYCLES"
		)
	endif()

	if(WITH_CYCLES_OSL)
		if(NOT WITH_LLVM)
			message(FATAL_ERROR
				"Cycles OSL requires WITH_LLVM, the library may not have been found. "
				"Configure LLVM or disable WITH_CYCLES_OSL"
			)
		endif()
	endif()
endif()

if(WITH_INTERNATIONAL)
	if(NOT WITH_BOOST)
		message(FATAL_ERROR
			"Internationalization requires WITH_BOOST, the library may not have been found. "
			"Configure BOOST or disable WITH_INTERNATIONAL"
		)
	endif()
endif()

# See TEST_SSE_SUPPORT() for how this is defined.

# Do it globally, SSE2 is required for quite some time now.
# Doing it now allows to use SSE/SSE2 in inline headers.
if(SUPPORT_SSE_BUILD)
	set(PLATFORM_CFLAGS " ${COMPILER_SSE_FLAG} ${PLATFORM_CFLAGS}")
	add_definitions(-D__SSE__ -D__MMX__)
endif()
if(SUPPORT_SSE2_BUILD)
	set(PLATFORM_CFLAGS " ${PLATFORM_CFLAGS} ${COMPILER_SSE2_FLAG}")
	add_definitions(-D__SSE2__)
	if(NOT SUPPORT_SSE_BUILD) # dont double up
		add_definitions(-D__MMX__)
	endif()
endif()


# set the endian define
if(MSVC)
	# for some reason this fails on msvc
	add_definitions(-D__LITTLE_ENDIAN__)

# OSX-Note: as we do cross-compiling with specific set architecture,
# endianess-detection and auto-setting is counterproductive
# so we just set endianess according CMAKE_OSX_ARCHITECTURES

elseif(CMAKE_OSX_ARCHITECTURES MATCHES i386 OR CMAKE_OSX_ARCHITECTURES MATCHES x86_64)
	add_definitions(-D__LITTLE_ENDIAN__)
elseif(CMAKE_OSX_ARCHITECTURES MATCHES ppc OR CMAKE_OSX_ARCHITECTURES MATCHES ppc64)
	add_definitions(-D__BIG_ENDIAN__)

else()
	include(TestBigEndian)
	test_big_endian(_SYSTEM_BIG_ENDIAN)
	if(_SYSTEM_BIG_ENDIAN)
		add_definitions(-D__BIG_ENDIAN__)
	else()
		add_definitions(-D__LITTLE_ENDIAN__)
	endif()
	unset(_SYSTEM_BIG_ENDIAN)
endif()
if(WITH_IMAGE_OPENJPEG)
	if(WITH_SYSTEM_OPENJPEG)
		# dealt with above
		set(OPENJPEG_DEFINES "")
	else()
		set(OPENJPEG_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/libopenjpeg")
		set(OPENJPEG_DEFINES "-DOPJ_STATIC")
	endif()
	# Special handling of Windows platform where openjpeg is always static.
	if(WIN32)
		set(OPENJPEG_DEFINES "-DOPJ_STATIC")
	endif()
endif()

if(NOT WITH_SYSTEM_EIGEN3)
	set(EIGEN3_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/Eigen3)
endif()

#-----------------------------------------------------------------------------
# Configure OpenGL.

find_package(OpenGL)
blender_include_dirs_sys("${OPENGL_INCLUDE_DIR}")

if(WITH_GLU)
	list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_glu_LIBRARY}")
	list(APPEND GL_DEFINITIONS -DWITH_GLU)
endif()

if(WITH_SYSTEM_GLES)
	find_package_wrapper(OpenGLES)
endif()

if(WITH_GL_PROFILE_COMPAT OR WITH_GL_PROFILE_CORE)
	list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_gl_LIBRARY}")

elseif(WITH_GL_PROFILE_ES20)
	if(WITH_SYSTEM_GLES)
		if(NOT OPENGLES_LIBRARY)
			message(FATAL_ERROR
				"Unable to find OpenGL ES libraries. "
				"Install them or disable WITH_SYSTEM_GLES."
			)
		endif()

		list(APPEND BLENDER_GL_LIBRARIES OPENGLES_LIBRARY)

	else()
		set(OPENGLES_LIBRARY "" CACHE FILEPATH "OpenGL ES 2.0 library file")
		mark_as_advanced(OPENGLES_LIBRARY)

		list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}")

		if(NOT OPENGLES_LIBRARY)
			message(FATAL_ERROR
				"To compile WITH_GL_EGL you need to set OPENGLES_LIBRARY "
				"to the file path of an OpenGL ES 2.0 library."
			)
		endif()

	endif()

	if(WIN32)
		# Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES

		set(OPENGLES_DLL "" CACHE FILEPATH "OpenGL ES 2.0 redistributable DLL file")
		mark_as_advanced(OPENGLES_DLL)

		if(NOT OPENGLES_DLL)
			message(FATAL_ERROR
				"To compile WITH_GL_PROFILE_ES20 you need to set OPENGLES_DLL to the file "
				"path of an OpenGL ES 2.0 runtime dynamic link library (DLL)."
			)
		endif()

		if(WITH_GL_ANGLE)
			list(APPEND GL_DEFINITIONS -DWITH_ANGLE)

			set(D3DCOMPILER_DLL "" CACHE FILEPATH "Direct3D Compiler redistributable DLL file (needed by ANGLE)")

			get_filename_component(D3DCOMPILER_FILENAME "${D3DCOMPILER_DLL}" NAME)
			list(APPEND GL_DEFINITIONS "-DD3DCOMPILER=\"\\\"${D3DCOMPILER_FILENAME}\\\"\"")

			mark_as_advanced(D3DCOMPILER_DLL)

			if(D3DCOMPILER_DLL STREQUAL "")
				message(FATAL_ERROR
					"To compile WITH_GL_ANGLE you need to set D3DCOMPILER_DLL to the file "
					"path of a copy of the DirectX redistributable DLL file: D3DCompiler_46.dll"
				)
			endif()

		endif()

	endif()

endif()

if(WITH_GL_EGL)
	list(APPEND GL_DEFINITIONS -DWITH_GL_EGL)

	if(WITH_SYSTEM_GLES)
		if(NOT OPENGLES_EGL_LIBRARY)
			message(FATAL_ERROR
				"Unable to find OpenGL ES libraries. "
				"Install them or disable WITH_SYSTEM_GLES."
			)
		endif()

		list(APPEND BLENDER_GL_LIBRARIES OPENGLES_EGL_LIBRARY)

	else()
		set(OPENGLES_EGL_LIBRARY "" CACHE FILEPATH "EGL library file")
		mark_as_advanced(OPENGLES_EGL_LIBRARY)

		list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}" "${OPENGLES_EGL_LIBRARY}")

		if(NOT OPENGLES_EGL_LIBRARY)
			message(FATAL_ERROR
				"To compile WITH_GL_EGL you need to set OPENGLES_EGL_LIBRARY "
				"to the file path of an EGL library."
			)
		endif()

	endif()

	if(WIN32)
		# Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES

		set(OPENGLES_EGL_DLL "" CACHE FILEPATH "EGL redistributable DLL file")
		mark_as_advanced(OPENGLES_EGL_DLL)

		if(NOT OPENGLES_EGL_DLL)
			message(FATAL_ERROR
				"To compile WITH_GL_EGL you need to set OPENGLES_EGL_DLL "
				"to the file path of an EGL runtime dynamic link library (DLL)."
			)
		endif()

	endif()

endif()

if(WITH_GL_PROFILE_COMPAT)
	list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_COMPAT)
endif()

if(WITH_GL_PROFILE_CORE)
	list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_CORE)
endif()

if(WITH_GL_PROFILE_ES20)
	list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_ES20)
endif()

if(WITH_GL_EGL)
	list(APPEND GL_DEFINITIONS -DWITH_EGL)
endif()

#-----------------------------------------------------------------------------
# Configure OpenMP.
if(WITH_OPENMP)
	find_package(OpenMP)
	if(OPENMP_FOUND)
		if(NOT WITH_OPENMP_STATIC)
			set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
			set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
		else()
			# Typically avoid adding flags as defines but we can't
			# pass OpenMP flags to the linker for static builds, meaning
			# we can't add any OpenMP related flags to CFLAGS variables
			# since they're passed to the linker as well.
			add_definitions("${OpenMP_C_FLAGS}")

			find_library_static(OpenMP_LIBRARIES gomp ${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES})
		endif()
	else()
		set(WITH_OPENMP OFF)
	endif()

	mark_as_advanced(
		OpenMP_C_FLAGS
		OpenMP_CXX_FLAGS
	)
endif()

#-----------------------------------------------------------------------------
# Configure GLEW

if(WITH_GLEW_MX)
	list(APPEND GL_DEFINITIONS -DWITH_GLEW_MX)
endif()

if(WITH_SYSTEM_GLEW)
	find_package(GLEW)

	# Note: There is an assumption here that the system GLEW is not a static library.

	if(NOT GLEW_FOUND)
		message(FATAL_ERROR "GLEW is required to build Blender. Install it or disable WITH_SYSTEM_GLEW.")
	endif()

	if(WITH_GLEW_MX)
		set(BLENDER_GLEW_LIBRARIES ${GLEW_MX_LIBRARY})
	else()
		set(BLENDER_GLEW_LIBRARIES ${GLEW_LIBRARY})
	endif()
else()
	if(WITH_GLEW_ES)
		set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew-es/include")

		list(APPEND GL_DEFINITIONS -DGLEW_STATIC -DWITH_GLEW_ES)

		# These definitions remove APIs from glew.h, making GLEW smaller, and catching unguarded API usage
		if(NOT WITH_GL_PROFILE_ES20)
			# No ES functions are needed
			list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)
		elseif(NOT (WITH_GL_PROFILE_CORE OR WITH_GL_PROFILE_COMPAT))
			# ES is enabled, but the other functions are all disabled
			list(APPEND GL_DEFINITIONS -DGLEW_ES_ONLY)
		endif()

		if(WITH_GL_PROFILE_ES20)
			if(WITH_GL_EGL)
				list(APPEND GL_DEFINITIONS -DGLEW_USE_LIB_ES20)
			endif()

			# ToDo: This is an experiment to eliminate ES 1 symbols,
			# GLEW doesn't really properly provide this level of control
			# (for example, without modification it eliminates too many symbols)
			# so there are lots of modifications to GLEW to make this work,
			# and no attempt to make it work beyond Blender at this point.
			list(APPEND GL_DEFINITIONS -DGL_ES_VERSION_1_0=0 -DGL_ES_VERSION_CL_1_1=0 -DGL_ES_VERSION_CM_1_1=0)
		endif()

		if(WITH_GL_EGL)
			list(APPEND GL_DEFINITIONS -DGLEW_INC_EGL)
		endif()

		set(BLENDER_GLEW_LIBRARIES extern_glew_es bf_intern_glew_mx)

	else()
		set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew/include")

		list(APPEND GL_DEFINITIONS -DGLEW_STATIC)

		# This won't affect the non-experimental glew library, 
		# but is used for conditional compilation elsewhere.
		list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)

		set(BLENDER_GLEW_LIBRARIES extern_glew)

	endif()

endif()

if(NOT WITH_GLU)
	list(APPEND GL_DEFINITIONS -DGLEW_NO_GLU)
endif()

#-----------------------------------------------------------------------------
# Configure Bullet

if(WITH_BULLET AND WITH_SYSTEM_BULLET)
	find_package(Bullet)
	if(NOT BULLET_FOUND)
		set(WITH_BULLET OFF)
	endif()
else()
	set(BULLET_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/bullet2/src")
	# set(BULLET_LIBRARIES "")
endif()

#-----------------------------------------------------------------------------
# Configure Python.

if(WITH_PYTHON_MODULE)
	add_definitions(-DPy_ENABLE_SHARED)
endif()

#-----------------------------------------------------------------------------
# Configure GLog/GFlags

if(WITH_LIBMV OR WITH_GTESTS OR (WITH_CYCLES AND WITH_CYCLES_LOGGING))
	if(WITH_SYSTEM_GFLAGS)
		find_package(Gflags)
		if(NOT GFLAGS_FOUND)
			message(FATAL_ERROR "System wide Gflags is requested but was not found")
		endif()
		# FindGflags does not define this, and we are not even sure what to use here.
		set(GFLAGS_DEFINES)
	else()
		set(GFLAGS_DEFINES
			-DGFLAGS_DLL_DEFINE_FLAG=
			-DGFLAGS_DLL_DECLARE_FLAG=
			-DGFLAGS_DLL_DECL=
		)
		set(GFLAGS_NAMESPACE "gflags")
		set(GFLAGS_LIBRARIES extern_gflags)
		set(GFLAGS_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/extern/gflags/src")
	endif()

	if(WITH_SYSTEM_GLOG)
		find_package(Glog)
		if(NOT GLOG_FOUND)
			message(FATAL_ERROR "System wide Glog is requested but was not found")
		endif()
		# FindGlog does not define this, and we are not even sure what to use here.
		set(GLOG_DEFINES)
	else()
		set(GLOG_DEFINES
			-DGOOGLE_GLOG_DLL_DECL=
		)
		set(GLOG_LIBRARIES extern_glog)
		if(WIN32)
			set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/src/windows)
		else()
			set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/src)
		endif()
	endif()
endif()

#-----------------------------------------------------------------------------
# Configure Ceres

if(WITH_LIBMV)
	set(CERES_DEFINES)

	if(WITH_CXX11)
		# nothing to be done
	elseif(SHARED_PTR_FOUND)
		if(SHARED_PTR_TR1_MEMORY_HEADER)
			list(APPEND CERES_DEFINES -DCERES_TR1_MEMORY_HEADER)
		endif()
		if(SHARED_PTR_TR1_NAMESPACE)
			list(APPEND CERES_DEFINES -DCERES_TR1_SHARED_PTR)
		endif()
	else()
		message(FATAL_ERROR "Ceres: Unable to find shared_ptr.")
	endif()

	if(WITH_CXX11)
		list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
	elseif(HAVE_STD_UNORDERED_MAP_HEADER)
		if(HAVE_UNORDERED_MAP_IN_STD_NAMESPACE)
			list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
		else()
			if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
				list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP_IN_TR1_NAMESPACE)
			else()
				list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
				message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
			endif()
		endif()
	else()
		if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
			list(APPEND CERES_DEFINES -DCERES_TR1_UNORDERED_MAP)
		else()
			list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
			message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
		endif()
	endif()
endif()

#-----------------------------------------------------------------------------
# Extra compile flags

if(CMAKE_COMPILER_IS_GNUCC)

	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_CAST_ALIGN -Wcast-align)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_VLA -Werror=vla)
	# system headers sometimes do this, disable for now, was: -Werror=strict-prototypes
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_WRITE_STRINGS -Wwrite-strings)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_LOGICAL_OP -Wlogical-op)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNDEF -Wundef)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_NULL -Wnonnull)  # C only
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_TYPE_LIMITS -Wtype-limits)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_FORMAT_SIGN -Wformat-signedness)

	# gcc 4.2 gives annoying warnings on every file with this
	if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
		ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
	endif()

	# versions before gcc4.6 give many BLI_math warnings
	if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.6")
		ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_REDUNDANT_DECLS       -Wredundant-decls)
		ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_REDUNDANT_DECLS -Wredundant-decls)
	endif()

	# versions before gcc4.8 include global name-space.
	if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.8")
		ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_SHADOW -Wshadow)
	endif()

	# disable because it gives warnings for printf() & friends.
	# ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)

	if(NOT APPLE)
		ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
	endif()

	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_LOGICAL_OP -Wlogical-op)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_TYPE_LIMITS -Wtype-limits)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_POINTER_ARITH -Wpointer-arith)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_PARAMETER -Wunused-parameter)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_WRITE_STRINGS -Wwrite-strings)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_FORMAT_SIGN -Wformat-signedness)

	# gcc 4.2 gives annoying warnings on every file with this
	if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
		ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
	endif()

	# causes too many warnings
	if(NOT APPLE)
		ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
		ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_DECLARATIONS -Wmissing-declarations)
	endif()

	# Use 'ATTR_FALLTHROUGH' macro to suppress.
	if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
		ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
		ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
	endif()

	# flags to undo strict flags
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DEPRECATED_DECLARATIONS -Wno-deprecated-declarations)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER        -Wno-unused-parameter)

	if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
		ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_IMPLICIT_FALLTHROUGH    -Wno-implicit-fallthrough)
	endif()

	if(NOT APPLE)
		ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
	endif()

elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")

	if(APPLE AND WITH_OPENMP) # we need the Intel omp lib linked here to not fail all tests due presence of -fopenmp !
		set(CMAKE_REQUIRED_FLAGS "-L${LIBDIR}/openmp/lib -liomp5") # these are only used for the checks
	endif()

	# strange, clang complains these are not supported, but then yses them.
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)

	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS     -Wno-unknown-pragmas)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS     -Wno-char-subscripts)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_OVERLOADED_VIRTUAL  -Wno-overloaded-virtual)  # we get a lot of these, if its a problem a dev needs to look into it.
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE        -Wno-sign-compare)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF    -Wno-invalid-offsetof)

	# gives too many unfixable warnings
	# ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_MACROS      -Wunused-macros)
	# ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_MACROS          -Wunused-macros)

	# flags to undo strict flags
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER -Wno-unused-parameter)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_MACROS    -Wno-unused-macros)

	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_VARIABLE_DECLARATIONS -Wno-missing-variable-declarations)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INCOMPAT_PTR_DISCARD_QUAL -Wno-incompatible-pointer-types-discards-qualifiers)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_FUNCTION -Wno-unused-function)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INT_TO_VOID_POINTER_CAST -Wno-int-to-void-pointer-cast)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_PROTOTYPES -Wno-missing-prototypes)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DUPLICATE_ENUM -Wno-duplicate-enum)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNDEF -Wno-undef)
	ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_NORETURN -Wno-missing-noreturn)

	ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_PRIVATE_FIELD -Wno-unused-private-field)
	ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_CXX11_NARROWING -Wno-c++11-narrowing)
	ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_NON_VIRTUAL_DTOR -Wno-non-virtual-dtor)
	ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_MACROS -Wno-unused-macros)
	ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_REORDER -Wno-reorder)

elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")

	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)

	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)

	# disable numbered, false positives
	set(C_WARNINGS "${C_WARNINGS} -wd188,186,144,913,556")
	set(CXX_WARNINGS "${CXX_WARNINGS} -wd188,186,144,913,556")
elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
	# most msvc warnings are C & C++
	set(_WARNINGS
		# warning level:
		"/W3"
		"/w34062"  # switch statement contains 'default' but no 'case' labels
		# disable:
		"/wd4018"  # signed/unsigned mismatch
		"/wd4146"  # unary minus operator applied to unsigned type, result still unsigned
		"/wd4065"  # switch statement contains 'default' but no 'case' labels
		"/wd4127"  # conditional expression is constant
		"/wd4181"  # qualifier applied to reference type; ignored
		"/wd4200"  # zero-sized array in struct/union
		"/wd4244"  # conversion from 'type1' to 'type2', possible loss of data
		"/wd4267"  # conversion from 'size_t' to 'type', possible loss of data
		"/wd4305"  # truncation from 'type1' to 'type2'
		"/wd4800"  # forcing value to bool 'true' or 'false'
		# errors:
		"/we4013"  # 'function' undefined; assuming extern returning int
		"/we4431"  # missing type specifier - int assumed
	)

	string(REPLACE ";" " " _WARNINGS "${_WARNINGS}")
	set(C_WARNINGS "${_WARNINGS}")
	set(CXX_WARNINGS "${_WARNINGS}")
	unset(_WARNINGS)
endif()

# ensure python header is found since detection can fail, this could happen
# with _any_ library but since we used a fixed python version this tends to
# be most problematic.
if(WITH_PYTHON)
	if(NOT EXISTS "${PYTHON_INCLUDE_DIR}/Python.h")
		message(FATAL_ERROR
			"Missing: \"${PYTHON_INCLUDE_DIR}/Python.h\",\n"
			"Set the cache entry 'PYTHON_INCLUDE_DIR' to point "
			"to a valid python include path. Containing "
			"Python.h for python version \"${PYTHON_VERSION}\""
		)
	endif()

	if(WIN32 OR APPLE)
		# pass, we have this in an archive to extract
	elseif(WITH_PYTHON_INSTALL AND WITH_PYTHON_INSTALL_NUMPY)
		find_python_package(numpy)
	endif()

	if(WIN32 OR APPLE)
		# pass, we have this in lib/python/site-packages
	elseif(WITH_PYTHON_INSTALL_REQUESTS)
		find_python_package(requests)
	endif()
endif()

if(WITH_CXX11)
	if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
		# TODO(sergey): Do we want c++11 or gnu-c++11 here?
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
	elseif(MSVC)
		# Nothing special is needed, C++11 features are available by default.
	else()
		message(FATAL_ERROR "Compiler ${CMAKE_C_COMPILER_ID} is not supported for C++11 build yet")
	endif()
else()
	# GCC-6 switched to C++11 by default, which would break linking with existing libraries
	# by default. So we explicitly disable C++11 for a new GCC so no linking issues happens.
	if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0"))
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++98")
		# We also disable any of C++11 ABI from usage, so we wouldn't even try to
		# link to stuff from std::__cxx11 namespace.
		add_definitions("-D_GLIBCXX_USE_CXX11_ABI=0")
	endif()
endif()

# Visual Studio has all standards it supports available by default
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "Intel")
	# Use C99 + GNU extensions, works with GCC, Clang, ICC
	if(WITH_C11)
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
	else()
		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
	endif()
endif()

# Include warnings first, so its possible to disable them with user defined flags
# eg: -Wno-uninitialized
set(CMAKE_C_FLAGS "${C_WARNINGS} ${CMAKE_C_FLAGS} ${PLATFORM_CFLAGS}")
set(CMAKE_CXX_FLAGS "${CXX_WARNINGS} ${CMAKE_CXX_FLAGS} ${PLATFORM_CFLAGS}")

# defined above, platform specific but shared names
mark_as_advanced(
	CYCLES_OSL
	OSL_LIB_EXEC
	OSL_COMPILER
	OSL_LIB_COMP
	OSL_LIB_QUERY
	OSL_INCLUDE_DIR
)

mark_as_advanced(
	LLVM_CONFIG
	LLVM_ROOT_DIR
	LLVM_LIBRARY
	LLVM_VERSION
)

#-------------------------------------------------------------------------------
# Global Defines

# better not set includes here but this debugging option is off by default.
if(WITH_CXX_GUARDEDALLOC)
	include_directories(${CMAKE_SOURCE_DIR}/intern/guardedalloc)
	add_definitions(-DWITH_CXX_GUARDEDALLOC)
endif()

if(WITH_ASSERT_ABORT)
	add_definitions(-DWITH_ASSERT_ABORT)
endif()

# message(STATUS "Using CFLAGS: ${CMAKE_C_FLAGS}")
# message(STATUS "Using CXXFLAGS: ${CMAKE_CXX_FLAGS}")

#-----------------------------------------------------------------------------
# Libraries

if(WITH_GTESTS)
	include(GTestTesting)
endif()

if(WITH_BLENDER OR WITH_PLAYER)
	add_subdirectory(intern)
	add_subdirectory(extern)

	# source after intern and extern to gather all
	# internal and external library information first, for test linking
	add_subdirectory(source)
elseif(WITH_CYCLES_STANDALONE)
	add_subdirectory(intern/cycles)
	add_subdirectory(extern/clew)
	if(WITH_CUDA_DYNLOAD)
		add_subdirectory(extern/cuew)
	endif()
	if(NOT WITH_SYSTEM_GLEW)
		add_subdirectory(extern/glew)
	endif()
endif()

#-----------------------------------------------------------------------------
# Blender Application
if(WITH_BLENDER)
	add_subdirectory(source/creator)
endif()


#-----------------------------------------------------------------------------
# Blender Player
if(WITH_PLAYER)
	add_subdirectory(source/blenderplayer)
endif()


#-----------------------------------------------------------------------------
# Testing
add_subdirectory(tests)


#-----------------------------------------------------------------------------
# CPack for generating packages
include(build_files/cmake/packaging.cmake)

#-----------------------------------------------------------------------------
# Use dynamic loading for OpenMP
if(WITH_BLENDER)
	openmp_delayload(blender)
endif(WITH_BLENDER)
if(WITH_PLAYER)
	openmp_delayload(blenderplayer)
endif(WITH_PLAYER)

#-----------------------------------------------------------------------------
# Print Final Configuration

if(FIRST_RUN)

	set(_config_msg "\nBlender Configuration\n=====================")

	function(info_cfg_option
		_setting
		)

		set(_msg "  - ${_setting}")
		string(LENGTH "${_msg}" _len)
		while("32" GREATER "${_len}")
			set(_msg "${_msg} ")
			math(EXPR _len "${_len} + 1")
		endwhile()

		set(_config_msg "${_config_msg}\n${_msg}${${_setting}}" PARENT_SCOPE)
	endfunction()

	function(info_cfg_text
		_text
		)

		set(_config_msg "${_config_msg}\n\n  ${_text}" PARENT_SCOPE)
	endfunction()

	message(STATUS "C Compiler:   \"${CMAKE_C_COMPILER_ID}\"")
	message(STATUS "C++ Compiler: \"${CMAKE_CXX_COMPILER_ID}\"")

	info_cfg_text("Build Options:")
	info_cfg_option(WITH_GAMEENGINE)
	info_cfg_option(WITH_PLAYER)
	info_cfg_option(WITH_BULLET)
	info_cfg_option(WITH_IK_SOLVER)
	info_cfg_option(WITH_IK_ITASC)
	info_cfg_option(WITH_OPENCOLLADA)
	info_cfg_option(WITH_FFTW3)
	info_cfg_option(WITH_INTERNATIONAL)
	info_cfg_option(WITH_INPUT_NDOF)
	info_cfg_option(WITH_CYCLES)
	info_cfg_option(WITH_FREESTYLE)
	info_cfg_option(WITH_OPENCOLORIO)
	info_cfg_option(WITH_OPENVDB)
	info_cfg_option(WITH_ALEMBIC)

	info_cfg_text("Compiler Options:")
	info_cfg_option(WITH_BUILDINFO)
	info_cfg_option(WITH_OPENMP)
	info_cfg_option(WITH_RAYOPTIMIZATION)

	info_cfg_text("System Options:")
	info_cfg_option(WITH_INSTALL_PORTABLE)
	info_cfg_option(WITH_X11_ALPHA)
	info_cfg_option(WITH_X11_XF86VMODE)
	info_cfg_option(WITH_X11_XFIXES)
	info_cfg_option(WITH_X11_XINPUT)
	info_cfg_option(WITH_MEM_JEMALLOC)
	info_cfg_option(WITH_MEM_VALGRIND)
	info_cfg_option(WITH_SYSTEM_GLEW)
	info_cfg_option(WITH_SYSTEM_OPENJPEG)

	info_cfg_text("Image Formats:")
	info_cfg_option(WITH_OPENIMAGEIO)
	info_cfg_option(WITH_IMAGE_CINEON)
	info_cfg_option(WITH_IMAGE_DDS)
	info_cfg_option(WITH_IMAGE_HDR)
	info_cfg_option(WITH_IMAGE_OPENEXR)
	info_cfg_option(WITH_IMAGE_OPENJPEG)
	info_cfg_option(WITH_IMAGE_TIFF)

	info_cfg_text("Audio:")
	info_cfg_option(WITH_OPENAL)
	info_cfg_option(WITH_SDL)
	info_cfg_option(WITH_SDL_DYNLOAD)
	info_cfg_option(WITH_JACK)
	info_cfg_option(WITH_JACK_DYNLOAD)
	info_cfg_option(WITH_CODEC_AVI)
	info_cfg_option(WITH_CODEC_FFMPEG)
	info_cfg_option(WITH_CODEC_SNDFILE)

	info_cfg_text("Compression:")
	info_cfg_option(WITH_LZMA)
	info_cfg_option(WITH_LZO)

	info_cfg_text("Python:")
	info_cfg_option(WITH_PYTHON_INSTALL)
	info_cfg_option(WITH_PYTHON_INSTALL_NUMPY)
	info_cfg_option(WITH_PYTHON_MODULE)
	info_cfg_option(WITH_PYTHON_SAFETY)
	if(APPLE)
		info_cfg_option(WITH_PYTHON_FRAMEWORK)
	endif()

	info_cfg_text("Modifiers:")
	info_cfg_option(WITH_MOD_BOOLEAN)
	info_cfg_option(WITH_MOD_REMESH)
	info_cfg_option(WITH_MOD_FLUID)
	info_cfg_option(WITH_MOD_OCEANSIM)

	info_cfg_text("OpenGL:")
	info_cfg_option(WITH_GLEW_ES)
	info_cfg_option(WITH_GLU)
	info_cfg_option(WITH_GL_EGL)
	info_cfg_option(WITH_GL_PROFILE_COMPAT)
	info_cfg_option(WITH_GL_PROFILE_CORE)
	info_cfg_option(WITH_GL_PROFILE_ES20)
	if(WIN32)
		info_cfg_option(WITH_GL_ANGLE)
	endif()

	info_cfg_text("")

	message("${_config_msg}")
endif()

if(0)
	print_all_vars()
endif()