/
CMakeLists.txt
1931 lines (1708 loc) · 77.6 KB
/
CMakeLists.txt
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
# ----------------------------------------------------------------------------
# Root CMake file for OpenCV
#
# From the off-tree build directory, invoke:
# $ cmake <PATH_TO_OPENCV_ROOT>
#
# ----------------------------------------------------------------------------
# Disable in-source builds to prevent source tree corruption.
if(" ${CMAKE_SOURCE_DIR}" STREQUAL " ${CMAKE_BINARY_DIR}")
message(FATAL_ERROR "
FATAL: In-source builds are not allowed.
You should create a separate directory for build files.
")
endif()
include(cmake/OpenCVMinDepVersions.cmake)
if(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
#Required to resolve linker error issues due to incompatibility with CMake v3.0+ policies.
#CMake fails to find _fseeko() which leads to subsequent linker error.
#See details here: http://www.cmake.org/Wiki/CMake/Policies
cmake_policy(VERSION 2.8)
else()
cmake_minimum_required(VERSION "${MIN_VER_CMAKE}" FATAL_ERROR)
endif()
#
# Configure CMake policies
#
if(POLICY CMP0026)
cmake_policy(SET CMP0026 NEW)
endif()
if(POLICY CMP0042)
cmake_policy(SET CMP0042 NEW) # CMake 3.0+ (2.8.12): MacOS "@rpath" in target's install name
endif()
if(POLICY CMP0046)
cmake_policy(SET CMP0046 NEW) # warn about non-existed dependencies
endif()
if(POLICY CMP0051)
cmake_policy(SET CMP0051 NEW)
endif()
if(POLICY CMP0054) # CMake 3.1: Only interpret if() arguments as variables or keywords when unquoted.
cmake_policy(SET CMP0054 NEW)
endif()
if(POLICY CMP0056)
cmake_policy(SET CMP0056 NEW) # try_compile(): link flags
endif()
if(POLICY CMP0066)
cmake_policy(SET CMP0066 NEW) # CMake 3.7: try_compile(): use per-config flags, like CMAKE_CXX_FLAGS_RELEASE
endif()
if(POLICY CMP0067)
cmake_policy(SET CMP0067 NEW) # CMake 3.8: try_compile(): honor language standard variables (like C++11)
endif()
if(POLICY CMP0068)
cmake_policy(SET CMP0068 NEW) # CMake 3.9+: `RPATH` settings on macOS do not affect `install_name`.
endif()
if(POLICY CMP0071)
cmake_policy(SET CMP0071 NEW) # CMake 3.10+: Let `AUTOMOC` and `AUTOUIC` process `GENERATED` files.
endif()
if(POLICY CMP0075)
cmake_policy(SET CMP0075 NEW) # CMake 3.12+: Include file check macros honor `CMAKE_REQUIRED_LIBRARIES`
endif()
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW) # CMake 3.13+: option() honors normal variables.
endif()
if(POLICY CMP0091)
cmake_policy(SET CMP0091 NEW) # CMake 3.15+: leave MSVC runtime selection out of default CMAKE_<LANG>_FLAGS_<CONFIG> flags
endif()
if(POLICY CMP0146)
cmake_policy(SET CMP0146 OLD) # CMake 3.27+: use CMake FindCUDA if available.
endif()
#
# Configure OpenCV CMake hooks
#
include(cmake/OpenCVUtils.cmake)
ocv_cmake_reset_hooks()
ocv_check_environment_variables(OPENCV_CMAKE_HOOKS_DIR)
if(DEFINED OPENCV_CMAKE_HOOKS_DIR)
foreach(__dir ${OPENCV_CMAKE_HOOKS_DIR})
get_filename_component(__dir "${__dir}" ABSOLUTE)
ocv_cmake_hook_register_dir(${__dir})
endforeach()
endif()
ocv_cmake_hook(CMAKE_INIT)
# must go before the project()/enable_language() commands
ocv_update(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Configs" FORCE)
if(NOT DEFINED CMAKE_BUILD_TYPE
AND NOT OPENCV_SKIP_DEFAULT_BUILD_TYPE
)
message(STATUS "'Release' build type is used by default. Use CMAKE_BUILD_TYPE to specify build type (Release or Debug)")
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build")
endif()
if(DEFINED CMAKE_BUILD_TYPE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "${CMAKE_CONFIGURATION_TYPES}")
endif()
option(ENABLE_PIC "Generate position independent code (necessary for shared libraries)" TRUE)
set(CMAKE_POSITION_INDEPENDENT_CODE ${ENABLE_PIC})
ocv_cmake_hook(PRE_CMAKE_BOOTSTRAP)
# Bootstrap CMake system: setup CMAKE_SYSTEM_NAME and other vars
if(OPENCV_WORKAROUND_CMAKE_20989)
set(CMAKE_SYSTEM_PROCESSOR_BACKUP ${CMAKE_SYSTEM_PROCESSOR})
endif()
enable_language(CXX C)
if(OPENCV_WORKAROUND_CMAKE_20989)
set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR_BACKUP})
endif()
ocv_cmake_hook(POST_CMAKE_BOOTSTRAP)
if(NOT OPENCV_SKIP_CMAKE_SYSTEM_FILE)
include("cmake/platforms/OpenCV-${CMAKE_SYSTEM_NAME}.cmake" OPTIONAL RESULT_VARIABLE "OPENCV_CMAKE_SYSTEM_FILE")
if(NOT OPENCV_CMAKE_SYSTEM_FILE)
message(STATUS "OpenCV: system-specific configuration file is not found: '${CMAKE_SYSTEM_NAME}'")
endif()
endif()
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) # https://cmake.org/cmake/help/latest/variable/CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT.html
if(NOT CMAKE_TOOLCHAIN_FILE)
if(WIN32)
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "Installation Directory" FORCE)
else()
set(CMAKE_INSTALL_PREFIX "/usr/local" CACHE PATH "Installation Directory" FORCE)
endif()
else()
# any cross-compiling
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "Installation Directory" FORCE)
endif()
endif()
enable_testing()
project(OpenCV CXX C)
if(MSVC)
set(CMAKE_USE_RELATIVE_PATHS ON CACHE INTERNAL "" FORCE)
endif()
ocv_cmake_eval(DEBUG_PRE ONCE)
ocv_clear_vars(OpenCVModules_TARGETS)
include(cmake/OpenCVDownload.cmake)
set(BUILD_LIST "" CACHE STRING "Build only listed modules (comma-separated, e.g. 'videoio,dnn,ts')")
# ----------------------------------------------------------------------------
# Break in case of popular CMake configuration mistakes
# ----------------------------------------------------------------------------
if(NOT CMAKE_SIZEOF_VOID_P GREATER 0)
message(FATAL_ERROR "CMake fails to determine the bitness of the target platform.
Please check your CMake and compiler installation. If you are cross-compiling then ensure that your CMake toolchain file correctly sets the compiler details.")
endif()
# ----------------------------------------------------------------------------
# Detect compiler and target platform architecture
# ----------------------------------------------------------------------------
include(cmake/OpenCVDetectCXXCompiler.cmake)
ocv_cmake_hook(POST_DETECT_COMPILER)
# Add these standard paths to the search paths for FIND_LIBRARY
# to find libraries from these locations first
if(UNIX AND NOT ANDROID)
if(X86_64 OR CMAKE_SIZEOF_VOID_P EQUAL 8)
if(EXISTS /lib64)
list(APPEND CMAKE_LIBRARY_PATH /lib64)
else()
list(APPEND CMAKE_LIBRARY_PATH /lib)
endif()
if(EXISTS /usr/lib64)
list(APPEND CMAKE_LIBRARY_PATH /usr/lib64)
else()
list(APPEND CMAKE_LIBRARY_PATH /usr/lib)
endif()
elseif(X86 OR CMAKE_SIZEOF_VOID_P EQUAL 4)
if(EXISTS /lib32)
list(APPEND CMAKE_LIBRARY_PATH /lib32)
else()
list(APPEND CMAKE_LIBRARY_PATH /lib)
endif()
if(EXISTS /usr/lib32)
list(APPEND CMAKE_LIBRARY_PATH /usr/lib32)
else()
list(APPEND CMAKE_LIBRARY_PATH /usr/lib)
endif()
endif()
endif()
# Add these standard paths to the search paths for FIND_PATH
# to find include files from these locations first
if(MINGW)
if(EXISTS /mingw)
list(APPEND CMAKE_INCLUDE_PATH /mingw)
endif()
if(EXISTS /mingw32)
list(APPEND CMAKE_INCLUDE_PATH /mingw32)
endif()
if(EXISTS /mingw64)
list(APPEND CMAKE_INCLUDE_PATH /mingw64)
endif()
endif()
# ----------------------------------------------------------------------------
# OpenCV cmake options
# ----------------------------------------------------------------------------
OCV_OPTION(OPENCV_ENABLE_NONFREE "Enable non-free algorithms" OFF)
# 3rd party libs
OCV_OPTION(OPENCV_FORCE_3RDPARTY_BUILD "Force using 3rdparty code from source" OFF)
OCV_OPTION(BUILD_ZLIB "Build zlib from source" (WIN32 OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_TIFF "Build libtiff from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_OPENJPEG "Build OpenJPEG from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_JASPER "Build libjasper from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_JPEG "Build libjpeg from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_PNG "Build libpng from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_OPENEXR "Build openexr from source" (OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_WEBP "Build WebP from source" (((WIN32 OR ANDROID OR APPLE) AND NOT WINRT) OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_TBB "Download and build TBB from source" (ANDROID OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_IPP_IW "Build IPP IW from source" (NOT MINGW OR OPENCV_FORCE_3RDPARTY_BUILD) IF (X86_64 OR X86) AND NOT WINRT )
OCV_OPTION(BUILD_ITT "Build Intel ITT from source"
(NOT MINGW OR OPENCV_FORCE_3RDPARTY_BUILD)
IF (X86_64 OR X86 OR ARM OR AARCH64 OR PPC64 OR PPC64LE) AND NOT WINRT AND NOT APPLE_FRAMEWORK
)
# Optional 3rd party components
# ===================================================
OCV_OPTION(WITH_1394 "Include IEEE1394 support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_DC1394_2)
OCV_OPTION(WITH_AVFOUNDATION "Use AVFoundation for Video I/O (iOS/visionOS/Mac)" ON
VISIBLE_IF APPLE
VERIFY HAVE_AVFOUNDATION)
OCV_OPTION(WITH_AVIF "Enable AVIF support" OFF
VERIFY HAVE_AVIF)
OCV_OPTION(WITH_CAP_IOS "Enable iOS video capture" ON
VISIBLE_IF IOS
VERIFY HAVE_CAP_IOS)
OCV_OPTION(WITH_CAROTENE "Use NVidia carotene acceleration library for ARM platform" (NOT CV_DISABLE_OPTIMIZATION)
VISIBLE_IF (ARM OR AARCH64) AND NOT IOS AND NOT XROS)
OCV_OPTION(WITH_CPUFEATURES "Use cpufeatures Android library" ON
VISIBLE_IF ANDROID
VERIFY HAVE_CPUFEATURES)
OCV_OPTION(WITH_VTK "Include VTK library support (and build opencv_viz module eiher)" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT AND NOT CMAKE_CROSSCOMPILING
VERIFY HAVE_VTK)
OCV_OPTION(WITH_CUDA "Include NVidia Cuda Runtime support" OFF
VISIBLE_IF NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_CUDA)
OCV_OPTION(WITH_CUFFT "Include NVidia Cuda Fast Fourier Transform (FFT) library support" WITH_CUDA
VISIBLE_IF WITH_CUDA
VERIFY HAVE_CUFFT)
OCV_OPTION(WITH_CUBLAS "Include NVidia Cuda Basic Linear Algebra Subprograms (BLAS) library support" WITH_CUDA
VISIBLE_IF WITH_CUDA
VERIFY HAVE_CUBLAS)
OCV_OPTION(WITH_CUDNN "Include NVIDIA CUDA Deep Neural Network (cuDNN) library support" WITH_CUDA
VISIBLE_IF WITH_CUDA
VERIFY HAVE_CUDNN)
OCV_OPTION(WITH_NVCUVID "Include NVidia Video Decoding library support" ON
VISIBLE_IF WITH_CUDA
VERIFY HAVE_NVCUVID)
OCV_OPTION(WITH_NVCUVENC "Include NVidia Video Encoding library support" ON
VISIBLE_IF WITH_CUDA
VERIFY HAVE_NVCUVENC)
OCV_OPTION(WITH_EIGEN "Include Eigen2/Eigen3 support" (NOT CV_DISABLE_OPTIMIZATION AND NOT CMAKE_CROSSCOMPILING)
VISIBLE_IF NOT WINRT
VERIFY HAVE_EIGEN)
OCV_OPTION(WITH_FFMPEG "Include FFMPEG support" (NOT ANDROID)
VISIBLE_IF NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_FFMPEG)
OCV_OPTION(WITH_GSTREAMER "Include Gstreamer support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_GSTREAMER AND GSTREAMER_VERSION VERSION_GREATER "0.99")
OCV_OPTION(WITH_GTK "Include GTK support" ON
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_GTK)
OCV_OPTION(WITH_GTK_2_X "Use GTK version 2" OFF
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_GTK AND NOT HAVE_GTK3)
OCV_OPTION(WITH_WAYLAND "Include Wayland support" OFF
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_WAYLAND)
OCV_OPTION(WITH_IPP "Include Intel IPP support" (NOT MINGW AND NOT CV_DISABLE_OPTIMIZATION)
VISIBLE_IF (X86_64 OR X86) AND NOT WINRT AND NOT IOS AND NOT XROS
VERIFY HAVE_IPP)
OCV_OPTION(WITH_HALIDE "Include Halide support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_HALIDE)
OCV_OPTION(WITH_VULKAN "Include Vulkan support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_VULKAN)
# replacement for deprecated options: WITH_INF_ENGINE, WITH_NGRAPH
OCV_OPTION(WITH_OPENVINO "Include Intel OpenVINO toolkit support" (WITH_INF_ENGINE)
VISIBLE_IF TRUE
VERIFY TARGET ocv.3rdparty.openvino)
OCV_OPTION(WITH_WEBNN "Include WebNN support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_WEBNN)
OCV_OPTION(WITH_JASPER "Include JPEG2K support (Jasper)" ON
VISIBLE_IF NOT IOS AND NOT XROS
VERIFY HAVE_JASPER)
OCV_OPTION(WITH_OPENJPEG "Include JPEG2K support (OpenJPEG)" ON
VISIBLE_IF NOT IOS AND NOT XROS
VERIFY HAVE_OPENJPEG)
OCV_OPTION(WITH_JPEG "Include JPEG support" ON
VISIBLE_IF TRUE
VERIFY HAVE_JPEG)
OCV_OPTION(WITH_WEBP "Include WebP support" ON
VISIBLE_IF NOT WINRT
VERIFY HAVE_WEBP)
OCV_OPTION(WITH_OPENEXR "Include ILM support via OpenEXR" ((WIN32 OR ANDROID OR APPLE) OR BUILD_OPENEXR) OR NOT CMAKE_CROSSCOMPILING
VISIBLE_IF NOT APPLE_FRAMEWORK AND NOT WINRT
VERIFY HAVE_OPENEXR)
OCV_OPTION(WITH_OPENGL "Include OpenGL support" OFF
VISIBLE_IF NOT ANDROID AND NOT WINRT
VERIFY HAVE_OPENGL)
OCV_OPTION(WITH_OPENVX "Include OpenVX support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_OPENVX)
OCV_OPTION(WITH_OPENNI "Include OpenNI support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_OPENNI)
OCV_OPTION(WITH_OPENNI2 "Include OpenNI2 support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_OPENNI2)
OCV_OPTION(WITH_PNG "Include PNG support" ON
VISIBLE_IF TRUE
VERIFY HAVE_PNG)
OCV_OPTION(WITH_SPNG "Include SPNG support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_SPNG)
OCV_OPTION(WITH_GDCM "Include DICOM support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_GDCM)
OCV_OPTION(WITH_PVAPI "Include Prosilica GigE support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_PVAPI)
OCV_OPTION(WITH_ARAVIS "Include Aravis GigE support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT AND NOT WIN32
VERIFY HAVE_ARAVIS_API)
OCV_OPTION(WITH_QT "Build with Qt Backend support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_QT)
OCV_OPTION(WITH_WIN32UI "Build with Win32 UI Backend support" ON
VISIBLE_IF WIN32 AND NOT WINRT
VERIFY HAVE_WIN32UI)
OCV_OPTION(WITH_TBB "Include Intel TBB support" OFF
VISIBLE_IF NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_TBB)
OCV_OPTION(WITH_HPX "Include Ste||ar Group HPX support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_HPX)
OCV_OPTION(WITH_OPENMP "Include OpenMP support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_OPENMP)
OCV_OPTION(WITH_PTHREADS_PF "Use pthreads-based parallel_for" ON
VISIBLE_IF NOT WIN32 OR MINGW
VERIFY HAVE_PTHREADS_PF)
OCV_OPTION(WITH_TIFF "Include TIFF support" ON
VISIBLE_IF NOT IOS AND NOT XROS
VERIFY HAVE_TIFF)
OCV_OPTION(WITH_V4L "Include Video 4 Linux support" ON
VISIBLE_IF UNIX AND NOT ANDROID AND NOT APPLE
VERIFY HAVE_CAMV4L OR HAVE_CAMV4L2 OR HAVE_VIDEOIO)
OCV_OPTION(WITH_DSHOW "Build VideoIO with DirectShow support" ON
VISIBLE_IF WIN32 AND NOT ARM AND NOT WINRT
VERIFY HAVE_DSHOW)
OCV_OPTION(WITH_MSMF "Build VideoIO with Media Foundation support" NOT MINGW
VISIBLE_IF WIN32
VERIFY HAVE_MSMF)
OCV_OPTION(WITH_MSMF_DXVA "Enable hardware acceleration in Media Foundation backend" WITH_MSMF
VISIBLE_IF WIN32
VERIFY HAVE_MSMF_DXVA)
OCV_OPTION(WITH_XIMEA "Include XIMEA cameras support" OFF
VISIBLE_IF NOT ANDROID AND NOT WINRT
VERIFY HAVE_XIMEA)
OCV_OPTION(WITH_UEYE "Include UEYE camera support" OFF
VISIBLE_IF NOT ANDROID AND NOT APPLE AND NOT WINRT
VERIFY HAVE_UEYE)
OCV_OPTION(WITH_XINE "Include Xine support (GPL)" OFF
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_XINE)
OCV_OPTION(WITH_CLP "Include Clp support (EPL)" OFF
VISIBLE_IF TRUE
VERIFY HAVE_CLP)
OCV_OPTION(WITH_OPENCL "Include OpenCL Runtime support" (NOT ANDROID AND NOT CV_DISABLE_OPTIMIZATION)
VISIBLE_IF NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_OPENCL)
OCV_OPTION(WITH_OPENCL_SVM "Include OpenCL Shared Virtual Memory support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_OPENCL_SVM) # experimental
OCV_OPTION(WITH_OPENCLAMDFFT "Include AMD OpenCL FFT library support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_CLAMDFFT)
OCV_OPTION(WITH_OPENCLAMDBLAS "Include AMD OpenCL BLAS library support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_CLAMDBLAS)
OCV_OPTION(WITH_DIRECTX "Include DirectX support" ON
VISIBLE_IF WIN32 AND NOT WINRT
VERIFY HAVE_DIRECTX)
OCV_OPTION(WITH_DIRECTML "Include DirectML support" ON
VISIBLE_IF WIN32 AND NOT WINRT
VERIFY HAVE_DIRECTML)
OCV_OPTION(WITH_OPENCL_D3D11_NV "Include NVIDIA OpenCL D3D11 support" WITH_DIRECTX
VISIBLE_IF WIN32 AND NOT WINRT
VERIFY HAVE_OPENCL_D3D11_NV)
OCV_OPTION(WITH_LIBREALSENSE "Include Intel librealsense support" OFF
VISIBLE_IF NOT WITH_INTELPERC
VERIFY HAVE_LIBREALSENSE)
OCV_OPTION(WITH_VA "Include VA support" (X86_64 OR X86)
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_VA)
OCV_OPTION(WITH_VA_INTEL "Include Intel VA-API/OpenCL support" (X86_64 OR X86)
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_VA_INTEL)
OCV_OPTION(WITH_MFX "Include Intel Media SDK support" OFF
VISIBLE_IF (UNIX AND NOT ANDROID) OR (WIN32 AND NOT WINRT AND NOT MINGW)
VERIFY HAVE_MFX)
OCV_OPTION(WITH_GDAL "Include GDAL Support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS AND NOT WINRT
VERIFY HAVE_GDAL)
OCV_OPTION(WITH_GPHOTO2 "Include gPhoto2 library support" OFF
VISIBLE_IF UNIX AND NOT ANDROID AND NOT IOS AND NOT XROS
VERIFY HAVE_GPHOTO2)
OCV_OPTION(WITH_LAPACK "Include Lapack library support" (NOT CV_DISABLE_OPTIMIZATION)
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT XROS
VERIFY HAVE_LAPACK)
OCV_OPTION(WITH_ITT "Include Intel ITT support" ON
VISIBLE_IF NOT APPLE_FRAMEWORK
VERIFY HAVE_ITT)
OCV_OPTION(WITH_PROTOBUF "Enable libprotobuf" ON
VISIBLE_IF TRUE
VERIFY HAVE_PROTOBUF)
OCV_OPTION(WITH_IMGCODEC_HDR "Include HDR support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_HDR)
OCV_OPTION(WITH_IMGCODEC_SUNRASTER "Include SUNRASTER support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_SUNRASTER)
OCV_OPTION(WITH_IMGCODEC_PXM "Include PNM (PBM,PGM,PPM) and PAM formats support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_PXM)
OCV_OPTION(WITH_IMGCODEC_PFM "Include PFM formats support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_PFM)
OCV_OPTION(WITH_QUIRC "Include library QR-code decoding" OFF
VISIBLE_IF TRUE
VERIFY HAVE_QUIRC)
OCV_OPTION(WITH_ANDROID_MEDIANDK "Use Android Media NDK for Video I/O (Android)" (ANDROID_NATIVE_API_LEVEL GREATER 20)
VISIBLE_IF ANDROID
VERIFY HAVE_ANDROID_MEDIANDK)
OCV_OPTION(WITH_ANDROID_NATIVE_CAMERA "Use Android NDK for Camera I/O (Android)" (ANDROID_NATIVE_API_LEVEL GREATER 23)
VISIBLE_IF ANDROID
VERIFY HAVE_ANDROID_NATIVE_CAMERA)
OCV_OPTION(WITH_ONNX "Include Microsoft ONNX Runtime support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_ONNX)
OCV_OPTION(WITH_TIMVX "Include Tim-VX support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_TIMVX)
# Attention when OBSENSOR_USE_ORBBEC_SDK set to off:
# Astra2 cameras currently only support Windows and Linux kernel versions no higher than 4.15, and higher versions of Linux kernel may have exceptions.
OCV_OPTION(OBSENSOR_USE_ORBBEC_SDK "Use Orbbec SDK as backend to support more camera models and platforms (force to ON on MacOS)" OFF)
OCV_OPTION(WITH_OBSENSOR "Include obsensor support (Orbbec 3D Cameras)" ON
VISIBLE_IF (WIN32 AND NOT ARM AND NOT WINRT AND NOT MINGW) OR ( UNIX AND NOT APPLE AND NOT ANDROID) OR (APPLE AND AARCH64 AND NOT IOS)
VERIFY HAVE_OBSENSOR)
OCV_OPTION(WITH_CANN "Include CANN support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_CANN)
OCV_OPTION(WITH_FLATBUFFERS "Include Flatbuffers support (required by DNN/TFLite importer)" ON
VISIBLE_IF TRUE
VERIFY HAVE_FLATBUFFERS)
OCV_OPTION(WITH_ZLIB_NG "Use zlib-ng instead of zlib" OFF
VISIBLE_IF TRUE
VERIFY HAVE_ZLIB_NG)
# OpenCV build components
# ===================================================
OCV_OPTION(BUILD_SHARED_LIBS "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" NOT (ANDROID OR APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_opencv_apps "Build utility applications (used for example to train classifiers)" (NOT ANDROID AND NOT WINRT) IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_opencv_js "Build JavaScript bindings by Emscripten" OFF )
OCV_OPTION(BUILD_ANDROID_PROJECTS "Build Android projects providing .apk files" ON IF ANDROID )
OCV_OPTION(BUILD_ANDROID_EXAMPLES "Build examples for Android platform" ON IF ANDROID )
OCV_OPTION(BUILD_DOCS "Create build rules for OpenCV Documentation" OFF IF (NOT WINRT AND NOT APPLE_FRAMEWORK))
OCV_OPTION(BUILD_EXAMPLES "Build all examples" OFF )
OCV_OPTION(BUILD_PACKAGE "Enables 'make package_source' command" ON IF NOT WINRT)
OCV_OPTION(BUILD_PERF_TESTS "Build performance tests" NOT INSTALL_CREATE_DISTRIB IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_TESTS "Build accuracy & regression tests" NOT INSTALL_CREATE_DISTRIB IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_WITH_DEBUG_INFO "Include debug info into release binaries ('OFF' means default settings)" OFF )
OCV_OPTION(BUILD_WITH_STATIC_CRT "Enables use of statically linked CRT for statically linked OpenCV" ON IF MSVC )
OCV_OPTION(BUILD_WITH_DYNAMIC_IPP "Enables dynamic linking of IPP (only for standalone IPP)" OFF )
OCV_OPTION(BUILD_FAT_JAVA_LIB "Create Java wrapper exporting all functions of OpenCV library (requires static build of OpenCV modules)" ANDROID IF NOT BUILD_SHARED_LIBS)
OCV_OPTION(BUILD_ANDROID_SERVICE "Build OpenCV Manager for Google Play" OFF IF ANDROID )
OCV_OPTION(BUILD_CUDA_STUBS "Build CUDA modules stubs when no CUDA SDK" OFF IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_JAVA "Enable Java support" (ANDROID OR NOT CMAKE_CROSSCOMPILING) IF (ANDROID OR (NOT APPLE_FRAMEWORK AND NOT WINRT)) )
OCV_OPTION(BUILD_OBJC "Enable Objective-C support" ON IF APPLE_FRAMEWORK )
OCV_OPTION(BUILD_KOTLIN_EXTENSIONS "Build Kotlin extensions (Android)" ON IF ANDROID )
# OpenCV installation options
# ===================================================
OCV_OPTION(INSTALL_CREATE_DISTRIB "Change install rules to build the distribution package" OFF )
OCV_OPTION(INSTALL_BIN_EXAMPLES "Install prebuilt examples" WIN32 IF BUILD_EXAMPLES)
OCV_OPTION(INSTALL_C_EXAMPLES "Install C examples" OFF )
OCV_OPTION(INSTALL_PYTHON_EXAMPLES "Install Python examples" OFF )
OCV_OPTION(INSTALL_ANDROID_EXAMPLES "Install Android examples" OFF IF ANDROID )
OCV_OPTION(INSTALL_TO_MANGLED_PATHS "Enables mangled install paths, that help with side by side installs." OFF IF (UNIX AND NOT ANDROID AND NOT APPLE_FRAMEWORK AND BUILD_SHARED_LIBS) )
OCV_OPTION(INSTALL_TESTS "Install accuracy and performance test binaries and test data" OFF)
# OpenCV build options
# ===================================================
OCV_OPTION(ENABLE_CCACHE "Use ccache" (UNIX AND (CMAKE_GENERATOR MATCHES "Makefile" OR CMAKE_GENERATOR MATCHES "Ninja" OR CMAKE_GENERATOR MATCHES "Xcode")) )
OCV_OPTION(ENABLE_PRECOMPILED_HEADERS "Use precompiled headers" MSVC IF (MSVC OR (NOT IOS AND NOT XROS AND NOT CMAKE_CROSSCOMPILING) ) )
OCV_OPTION(ENABLE_DELAYLOAD "Enable delayed loading of OpenCV DLLs" OFF VISIBLE_IF MSVC AND BUILD_SHARED_LIBS)
OCV_OPTION(ENABLE_SOLUTION_FOLDERS "Solution folder in Visual Studio or in other IDEs" (MSVC_IDE OR CMAKE_GENERATOR MATCHES Xcode) )
OCV_OPTION(ENABLE_PROFILING "Enable profiling in the GCC compiler (Add flags: -g -pg)" OFF IF CV_GCC )
OCV_OPTION(ENABLE_COVERAGE "Enable coverage collection with GCov" OFF IF CV_GCC )
OCV_OPTION(OPENCV_ENABLE_MEMORY_SANITIZER "Better support for memory/address sanitizers" OFF)
OCV_OPTION(ENABLE_OMIT_FRAME_POINTER "Enable -fomit-frame-pointer for GCC" ON IF CV_GCC )
OCV_OPTION(ENABLE_POWERPC "Enable PowerPC for GCC" ON IF (CV_GCC AND CMAKE_SYSTEM_PROCESSOR MATCHES powerpc.*) )
OCV_OPTION(ENABLE_FAST_MATH "Enable compiler options for fast math optimizations on FP computations (not recommended)" OFF)
if(NOT IOS AND (NOT ANDROID OR OPENCV_ANDROID_USE_LEGACY_FLAGS) AND CMAKE_CROSSCOMPILING) # Use CPU_BASELINE instead
OCV_OPTION(ENABLE_NEON "Enable NEON instructions" (NEON OR ANDROID_ARM_NEON OR AARCH64) IF (CV_GCC OR CV_CLANG) AND (ARM OR AARCH64 OR IOS OR XROS) )
OCV_OPTION(ENABLE_VFPV3 "Enable VFPv3-D32 instructions" OFF IF (CV_GCC OR CV_CLANG) AND (ARM OR AARCH64 OR IOS OR XROS) )
endif()
OCV_OPTION(ENABLE_NOISY_WARNINGS "Show all warnings even if they are too noisy" OFF )
OCV_OPTION(OPENCV_WARNINGS_ARE_ERRORS "Treat warnings as errors" OFF )
OCV_OPTION(ANDROID_EXAMPLES_WITH_LIBS "Build binaries of Android examples with native libraries" OFF IF ANDROID )
OCV_OPTION(ENABLE_IMPL_COLLECTION "Collect implementation data on function call" OFF )
OCV_OPTION(ENABLE_INSTRUMENTATION "Instrument functions to collect calls trace and performance" OFF )
OCV_OPTION(ENABLE_GNU_STL_DEBUG "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)" OFF IF CV_GCC )
OCV_OPTION(ENABLE_BUILD_HARDENING "Enable hardening of the resulting binaries (against security attacks, detects memory corruption, etc)" OFF)
OCV_OPTION(ENABLE_LTO "Enable Link Time Optimization" OFF IF CV_GCC OR MSVC)
OCV_OPTION(ENABLE_THIN_LTO "Enable Thin LTO" OFF IF CV_CLANG)
OCV_OPTION(GENERATE_ABI_DESCRIPTOR "Generate XML file for abi_compliance_checker tool" OFF IF UNIX)
OCV_OPTION(OPENCV_GENERATE_PKGCONFIG "Generate .pc file for pkg-config build tool (deprecated)" OFF)
OCV_OPTION(CV_ENABLE_INTRINSICS "Use intrinsic-based optimized code" ON )
OCV_OPTION(CV_DISABLE_OPTIMIZATION "Disable explicit optimized code (dispatched code/intrinsics/loop unrolling/etc)" OFF )
OCV_OPTION(CV_TRACE "Enable OpenCV code trace" ON)
OCV_OPTION(OPENCV_GENERATE_SETUPVARS "Generate setup_vars* scripts" ON IF (NOT ANDROID AND NOT APPLE_FRAMEWORK) )
OCV_OPTION(ENABLE_CONFIG_VERIFICATION "Fail build if actual configuration doesn't match requested (WITH_XXX != HAVE_XXX)" OFF)
OCV_OPTION(OPENCV_ENABLE_MEMALIGN "Enable posix_memalign or memalign usage" ON)
OCV_OPTION(OPENCV_DISABLE_FILESYSTEM_SUPPORT "Disable filesystem support" OFF)
OCV_OPTION(OPENCV_DISABLE_THREAD_SUPPORT "Build the library without multi-threaded code." OFF)
OCV_OPTION(OPENCV_SEMIHOSTING "Build the library for semihosting target (Arm). See https://developer.arm.com/documentation/100863/latest." OFF)
OCV_OPTION(ENABLE_CUDA_FIRST_CLASS_LANGUAGE "Enable CUDA as a first class language, if enabled dependant projects will need to use CMake >= 3.18" OFF
VISIBLE_IF (WITH_CUDA AND NOT CMAKE_VERSION VERSION_LESS 3.18)
VERIFY HAVE_CUDA)
OCV_OPTION(ENABLE_PYLINT "Add target with Pylint checks" (BUILD_DOCS OR BUILD_EXAMPLES) IF (NOT CMAKE_CROSSCOMPILING AND NOT APPLE_FRAMEWORK) )
OCV_OPTION(ENABLE_FLAKE8 "Add target with Python flake8 checker" (BUILD_DOCS OR BUILD_EXAMPLES) IF (NOT CMAKE_CROSSCOMPILING AND NOT APPLE_FRAMEWORK) )
if(ENABLE_IMPL_COLLECTION)
add_definitions(-DCV_COLLECT_IMPL_DATA)
endif()
if(OPENCV_DISABLE_FILESYSTEM_SUPPORT)
add_definitions(-DOPENCV_HAVE_FILESYSTEM_SUPPORT=0)
endif()
# MathJax is used for math rendering by both Doxygen HTML and JavaDoc, so
# this var have to be defined before "modules" AND "doc" are processed
set(OPENCV_MATHJAX_RELPATH "https://cdn.jsdelivr.net/npm/mathjax@3.0.1" CACHE STRING "URI to a MathJax installation")
# ----------------------------------------------------------------------------
# Get actual OpenCV version number from sources
# ----------------------------------------------------------------------------
include(cmake/OpenCVVersion.cmake)
ocv_cmake_hook(POST_OPTIONS)
# ----------------------------------------------------------------------------
# Build & install layouts
# ----------------------------------------------------------------------------
if(OPENCV_TEST_DATA_PATH)
get_filename_component(OPENCV_TEST_DATA_PATH ${OPENCV_TEST_DATA_PATH} ABSOLUTE)
endif()
# Save libs and executables in the same place
set(EXECUTABLE_OUTPUT_PATH "${CMAKE_BINARY_DIR}/bin" CACHE PATH "Output directory for applications")
if(ANDROID)
set(LIBRARY_OUTPUT_PATH "${OpenCV_BINARY_DIR}/lib/${ANDROID_NDK_ABI_NAME}")
ocv_update(3P_LIBRARY_OUTPUT_PATH "${OpenCV_BINARY_DIR}/3rdparty/lib/${ANDROID_NDK_ABI_NAME}")
else()
set(LIBRARY_OUTPUT_PATH "${OpenCV_BINARY_DIR}/lib")
ocv_update(3P_LIBRARY_OUTPUT_PATH "${OpenCV_BINARY_DIR}/3rdparty/lib")
endif()
if(ANDROID)
if(ANDROID_ABI MATCHES "NEON")
set(ENABLE_NEON ON)
endif()
if(ANDROID_ABI MATCHES "VFPV3")
set(ENABLE_VFPV3 ON)
endif()
endif()
if(WIN32)
# Postfix of DLLs:
ocv_update(OPENCV_DLLVERSION "${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}")
ocv_update(OPENCV_DEBUG_POSTFIX d)
else()
# Postfix of so's:
ocv_update(OPENCV_DLLVERSION "")
ocv_update(OPENCV_DEBUG_POSTFIX "")
endif()
if(DEFINED CMAKE_DEBUG_POSTFIX)
set(OPENCV_DEBUG_POSTFIX "${CMAKE_DEBUG_POSTFIX}")
endif()
if((INSTALL_CREATE_DISTRIB AND BUILD_SHARED_LIBS AND NOT DEFINED BUILD_opencv_world) OR APPLE_FRAMEWORK)
set(BUILD_opencv_world ON CACHE INTERNAL "")
endif()
include(cmake/OpenCVInstallLayout.cmake)
# ----------------------------------------------------------------------------
# Path for build/platform -specific headers
# ----------------------------------------------------------------------------
ocv_update(OPENCV_CONFIG_FILE_INCLUDE_DIR "${CMAKE_BINARY_DIR}/" CACHE PATH "Where to create the platform-dependant cvconfig.h")
ocv_include_directories(${OPENCV_CONFIG_FILE_INCLUDE_DIR})
# ----------------------------------------------------------------------------
# Path for additional modules
# ----------------------------------------------------------------------------
set(OPENCV_EXTRA_MODULES_PATH "" CACHE PATH "Where to look for additional OpenCV modules (can be ;-separated list of paths)")
# ----------------------------------------------------------------------------
# Autodetect if we are in a GIT repository
# ----------------------------------------------------------------------------
find_host_package(Git QUIET)
if(NOT DEFINED OPENCV_VCSVERSION AND GIT_FOUND)
ocv_git_describe(OPENCV_VCSVERSION "${OpenCV_SOURCE_DIR}")
elseif(NOT DEFINED OPENCV_VCSVERSION)
# We don't have git:
set(OPENCV_VCSVERSION "unknown")
endif()
# ----------------------------------------------------------------------------
# OpenCV compiler and linker options
# ----------------------------------------------------------------------------
ocv_cmake_hook(POST_CMAKE_BUILD_OPTIONS)
# --- Python Support ---
if(NOT IOS AND NOT XROS)
include(cmake/OpenCVDetectPython.cmake)
endif()
include(cmake/OpenCVCompilerOptions.cmake)
ocv_cmake_hook(POST_COMPILER_OPTIONS)
# --- CUDA Support ---
if(ENABLE_CUDA_FIRST_CLASS_LANGUAGE)
if(CMAKE_VERSION VERSION_LESS 3.18)
message(WARNING "CUDA: First class language only supported for CMake versions >= 3.18, falling back to FindCUDA!")
set(ENABLE_CUDA_FIRST_CLASS_LANGUAGE OFF CACHE BOOL "Enable CUDA as a first class language, if enabled dependant projects will need to use CMake >= 3.18" FORCE)
else()
# Check CUDA_PATH if supplied
if(UNIX AND CUDA_PATH AND NOT ENV{CUDA_PATH})
set(ENV{CUDA_PATH} ${CUDA_PATH})
elseif(WIN32 AND CUDA_PATH)
set(ENV{PATH} "${CUDA_PATH}\\bin\;$ENV{PATH}")
endif()
include(CheckLanguage)
check_language(CUDA)
# Fallback to checking default locations
if(NOT CMAKE_CUDA_COMPILER)
# Checking windows default search location isn't possible because the CUDA Toolkit is installed to C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/vXX.X
if(WIN32)
if(CMAKE_GENERATOR MATCHES "Visual Studio")
message(STATUS "CUDA: Not detected, when using stand alone installations with the Visual Studio generator the path to the CUDA toolkit should be manually specified with -Tcuda=. e.g. -Tcuda=\"C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/vXX.X\"")
else()
message(STATUS "CUDA: Not detected, for stand alone installations the path to the CUDA toolkit should be manually specified with -DCUDA_PATH=. e.g. -DCUDA_PATH=\"C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/vXX.X\"")
endif()
elseif(UNIX)
message(STATUS "CUDA: Not detected, make sure you have performed the mandatory Post-installation actions described in the CUDA installation guide.\n For stand alone installations you can set the CUDA_PATH environmental or CMake variable. e.g. export CUDA_PATH=/usr/local/cuda-XX.X or -DCUDA_PATH=/usr/local/cuda-XX.X.")
message(STATUS "CUDA: Falling back to searching for the CUDA compiler in its default location (/usr/local/cuda)")
set(CUDA_PATH "/usr/local/cuda" CACHE INTERNAL "")
set(ENV{CUDA_PATH} ${CUDA_PATH})
unset(CMAKE_CUDA_COMPILER CACHE)
unset(CMAKE_CUDA_COMPILER)
check_language(CUDA)
endif()
endif()
cmake_policy(SET CMP0092 NEW) # CMake 3.15+: leave warning flags out of default CMAKE_<LANG>_FLAGS flags.
if(CMAKE_CUDA_COMPILER)
enable_language(CUDA)
elseif(UNIX)
message(WARNING "CUDA: Not detected! If you are not using the default host compiler (g++) then you need to specify both CMAKE_CUDA_HOST_COMPILER and CMAKE_CUDA_COMPILER. e.g. -DCMAKE_CUDA_HOST_COMPILER=/usr/bin/clang++ -DCMAKE_CUDA_COMPILER=/usr/local/cuda/bin/nvcc.")
endif()
endif()
endif()
# ----------------------------------------------------------------------------
# CHECK FOR SYSTEM LIBRARIES, OPTIONS, ETC..
# ----------------------------------------------------------------------------
if(UNIX OR MINGW)
if(NOT APPLE_FRAMEWORK OR OPENCV_ENABLE_PKG_CONFIG)
if(CMAKE_CROSSCOMPILING AND NOT DEFINED ENV{PKG_CONFIG_LIBDIR} AND NOT DEFINED ENV{PKG_CONFIG_SYSROOT_DIR}
AND NOT OPENCV_ENABLE_PKG_CONFIG
)
if(NOT PkgConfig_FOUND)
message(STATUS "OpenCV disables pkg-config to avoid using of host libraries. Consider using PKG_CONFIG_LIBDIR to specify target SYSROOT")
elseif(OPENCV_SKIP_PKG_CONFIG_WARNING)
message(WARNING "pkg-config is enabled in cross-compilation mode without defining of PKG_CONFIG_LIBDIR environment variable. This may lead to misconfigured host-based dependencies.")
endif()
elseif(OPENCV_DISABLE_PKG_CONFIG)
if(PkgConfig_FOUND)
message(WARNING "OPENCV_DISABLE_PKG_CONFIG flag has no effect")
endif()
else()
find_package(PkgConfig QUIET)
endif()
endif()
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckSymbolExists)
if(NOT APPLE)
CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD)
if(ANDROID)
set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m log)
elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD|NetBSD|DragonFly|OpenBSD|Haiku")
set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} m pthread)
elseif(EMSCRIPTEN)
# no need to link to system libs with emscripten
elseif(QNXNTO)
set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} m)
elseif(MINGW)
set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} pthread)
else()
set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m pthread rt)
endif()
else()
set(HAVE_PTHREAD 1)
endif()
# Ensure that libpthread is not listed as one of the libraries to pass to the linker.
if (OPENCV_DISABLE_THREAD_SUPPORT)
list(REMOVE_ITEM OPENCV_LINKER_LIBS pthread)
endif()
if(OPENCV_ENABLE_MEMALIGN)
CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
if(HAVE_MALLOC_H)
CHECK_SYMBOL_EXISTS(memalign malloc.h HAVE_MEMALIGN)
endif()
# TODO:
# - std::aligned_alloc() C++17 / C11
endif()
elseif(WIN32)
include(CheckIncludeFile)
include(CheckSymbolExists)
if(OPENCV_ENABLE_MEMALIGN)
CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
if(HAVE_MALLOC_H)
CHECK_SYMBOL_EXISTS(_aligned_malloc malloc.h HAVE_WIN32_ALIGNED_MALLOC)
endif()
endif()
endif()
include(cmake/OpenCVPCHSupport.cmake)
include(cmake/OpenCVModule.cmake)
# ----------------------------------------------------------------------------
# Detect endianness of build platform
# ----------------------------------------------------------------------------
if(IOS OR XROS)
# test_big_endian needs try_compile, which doesn't work for iOS
# http://public.kitware.com/Bug/view.php?id=12288
set(WORDS_BIGENDIAN 0)
else()
include(TestBigEndian)
test_big_endian(WORDS_BIGENDIAN)
endif()
# ----------------------------------------------------------------------------
# Detect 3rd-party libraries
# ----------------------------------------------------------------------------
if(ANDROID AND WITH_CPUFEATURES)
add_subdirectory(3rdparty/cpufeatures)
set(HAVE_CPUFEATURES 1)
endif()
include(cmake/OpenCVFindFrameworks.cmake)
include(cmake/OpenCVFindLibsGrfmt.cmake)
include(cmake/OpenCVFindLibsGUI.cmake)
include(cmake/OpenCVFindLibsVideo.cmake)
include(cmake/OpenCVFindLibsPerf.cmake)
include(cmake/OpenCVFindLAPACK.cmake)
include(cmake/OpenCVFindProtobuf.cmake)
include(cmake/OpenCVDetectFlatbuffers.cmake)
if(WITH_TIMVX)
include(cmake/OpenCVFindTIMVX.cmake)
endif()
if(WITH_CANN)
include(cmake/OpenCVFindCANN.cmake)
endif()
# ----------------------------------------------------------------------------
# Detect other 3rd-party libraries/tools
# ----------------------------------------------------------------------------
# --- Java Support ---
if(BUILD_JAVA)
if(ANDROID)
include(cmake/android/OpenCVDetectAndroidSDK.cmake)
else()
include(cmake/OpenCVDetectApacheAnt.cmake)
if(ANT_EXECUTABLE AND NOT OPENCV_JAVA_IGNORE_ANT)
ocv_update(OPENCV_JAVA_SDK_BUILD_TYPE "ANT")
elseif(NOT ANDROID)
find_package(Java)
if(Java_FOUND)
include(UseJava)
ocv_update(OPENCV_JAVA_SDK_BUILD_TYPE "JAVA")
endif()
endif()
find_package(JNI)
endif()
endif()
if(ENABLE_PYLINT AND PYTHON_DEFAULT_AVAILABLE)
include(cmake/OpenCVPylint.cmake)
endif()
if(ENABLE_FLAKE8 AND PYTHON_DEFAULT_AVAILABLE)
find_package(Flake8 QUIET)
if(NOT FLAKE8_FOUND OR NOT FLAKE8_EXECUTABLE)
include("${CMAKE_CURRENT_LIST_DIR}/cmake/FindFlake8.cmake")
endif()
if(FLAKE8_FOUND)
list(APPEND OPENCV_FLAKE8_EXCLUDES ".git" "__pycache__" "config.py" "*.config.py" "config-*.py")
list(APPEND OPENCV_FLAKE8_EXCLUDES "svgfig.py") # 3rdparty
if(NOT PYTHON3_VERSION_STRING VERSION_GREATER 3.6)
# Python 3.6+ (PEP 526): variable annotations (type hints)
list(APPEND OPENCV_FLAKE8_EXCLUDES "samples/dnn/dnn_model_runner/dnn_conversion/common/test/configs")
endif()
string(REPLACE ";" "," OPENCV_FLAKE8_EXCLUDES_STR "${OPENCV_FLAKE8_EXCLUDES}")
add_custom_target(check_flake8
COMMAND "${FLAKE8_EXECUTABLE}" . --count --select=E9,E901,E999,F821,F822,F823 --show-source --statistics --exclude='${OPENCV_FLAKE8_EXCLUDES_STR}'
WORKING_DIRECTORY "${OpenCV_SOURCE_DIR}"
COMMENT "Running flake8"
)
endif()
endif()
if(ANDROID AND ANDROID_EXECUTABLE AND ANT_EXECUTABLE AND (ANT_VERSION VERSION_GREATER 1.7) AND (ANDROID_TOOLS_Pkg_Revision GREATER 13))
SET(CAN_BUILD_ANDROID_PROJECTS TRUE)
else()
SET(CAN_BUILD_ANDROID_PROJECTS FALSE)
endif()
# --- OpenCL ---
if(WITH_OPENCL)
include(cmake/OpenCVDetectOpenCL.cmake)
endif()
# --- Halide ---
if(WITH_HALIDE)
include(cmake/OpenCVDetectHalide.cmake)
endif()
# --- VkCom ---
if(WITH_VULKAN)
include(cmake/OpenCVDetectVulkan.cmake)
endif()
# --- WebNN ---
if(WITH_WEBNN)
include(cmake/OpenCVDetectWebNN.cmake)
endif()
# --- Inference Engine ---
if(WITH_INF_ENGINE OR WITH_OPENVINO)
include(cmake/OpenCVDetectInferenceEngine.cmake)
endif()
# --- DirectX ---
if(WITH_DIRECTX)
include(cmake/OpenCVDetectDirectX.cmake)
endif()
# --- DirectML ---
if(WITH_DIRECTML)
include(cmake/OpenCVDetectDirectML.cmake)
endif()
if(WITH_VTK)
include(cmake/OpenCVDetectVTK.cmake)
endif()
if(WITH_OPENVX)
include(cmake/FindOpenVX.cmake)
endif()
if(WITH_QUIRC)
add_subdirectory(3rdparty/quirc)
set(HAVE_QUIRC TRUE)
endif()
if(WITH_ONNX)
include(cmake/FindONNX.cmake)
endif()
# ----------------------------------------------------------------------------
# OpenCV HAL
# ----------------------------------------------------------------------------
set(_hal_includes "")
macro(ocv_hal_register HAL_LIBRARIES_VAR HAL_HEADERS_VAR HAL_INCLUDE_DIRS_VAR)
# 1. libraries
foreach (l ${${HAL_LIBRARIES_VAR}})
if(NOT TARGET ${l})
get_filename_component(l "${l}" ABSOLUTE)
endif()
list(APPEND OPENCV_HAL_LINKER_LIBS ${l})
endforeach()
# 2. headers
foreach (h ${${HAL_HEADERS_VAR}})
set(_hal_includes "${_hal_includes}\n#include \"${h}\"")
endforeach()
# 3. include paths
ocv_include_directories(${${HAL_INCLUDE_DIRS_VAR}})
endmacro()
if(NOT DEFINED OpenCV_HAL)
set(OpenCV_HAL "OpenCV_HAL")
endif()
if(HAVE_OPENVX)
if(NOT ";${OpenCV_HAL};" MATCHES ";openvx;")
set(OpenCV_HAL "openvx;${OpenCV_HAL}")
endif()
endif()
if(WITH_CAROTENE)
ocv_debug_message(STATUS "Enable carotene acceleration")
if(NOT ";${OpenCV_HAL};" MATCHES ";carotene;")
set(OpenCV_HAL "carotene;${OpenCV_HAL}")
endif()
endif()
foreach(hal ${OpenCV_HAL})
if(hal STREQUAL "carotene")
if(";${CPU_BASELINE_FINAL};" MATCHES ";NEON;")
add_subdirectory(3rdparty/carotene/hal)
ocv_hal_register(CAROTENE_HAL_LIBRARIES CAROTENE_HAL_HEADERS CAROTENE_HAL_INCLUDE_DIRS)
if( NOT DEFINED CAROTENE_NEON_ARCH)
set(CAROTENE_NEON_MSG "Auto detected")
elseif( CAROTENE_NEON_ARCH GREATER 7)
set(CAROTENE_NEON_MSG "Force ARMv8+")
else()
set(CAROTENE_NEON_MSG "Force ARMv7")
endif()
list(APPEND OpenCV_USED_HAL "carotene (ver ${CAROTENE_HAL_VERSION}, ${CAROTENE_NEON_MSG})")
else()
message(STATUS "Carotene: NEON is not available, disabling carotene...")
endif()
elseif(hal STREQUAL "openvx")
add_subdirectory(3rdparty/openvx)
ocv_hal_register(OPENVX_HAL_LIBRARIES OPENVX_HAL_HEADERS OPENVX_HAL_INCLUDE_DIRS)
list(APPEND OpenCV_USED_HAL "openvx (ver ${OPENVX_HAL_VERSION})")
else()
ocv_debug_message(STATUS "OpenCV HAL: ${hal} ...")
ocv_clear_vars(OpenCV_HAL_LIBRARIES OpenCV_HAL_HEADERS OpenCV_HAL_INCLUDE_DIRS)
find_package(${hal} NO_MODULE QUIET)