summaryrefslogtreecommitdiffstats
path: root/third_party/aom/CMakeLists.txt
blob: 0f6a37ffbee0ccc60c73569f35eae8ef96f3390d (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
#
# Copyright (c) 2016, Alliance for Open Media. All rights reserved
#
# This source code is subject to the terms of the BSD 2 Clause License and the
# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
# not distributed with this source code in the LICENSE file, you can obtain it
# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
# License 1.0 was not distributed with this source code in the PATENTS file, you
# can obtain it at www.aomedia.org/license/patent.
#
cmake_minimum_required(VERSION 3.5)

if(NOT EMSCRIPTEN)
  if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Release"
        CACHE "Build type: Debug, Release, RelWithDebInfo or MinSizeRel" STRING
              FORCE)
  endif()
endif()

option(ENABLE_CCACHE "Enable ccache support." OFF)
option(ENABLE_DECODE_PERF_TESTS "Enables decoder performance tests" OFF)
option(ENABLE_DISTCC "Enable distcc support." OFF)
option(ENABLE_DOCS "Enable documentation generation (doxygen required)." ON)
option(ENABLE_ENCODE_PERF_TESTS "Enables encoder performance tests" OFF)
option(ENABLE_EXAMPLES "Enables build of example code." ON)
option(ENABLE_GOMA "Enable goma support." OFF)
option(ENABLE_IDE_TEST_HOSTING
       "Enables running tests within IDEs like Visual Studio and Xcode." OFF)
option(ENABLE_NASM "Use nasm instead of yasm for x86 assembly." OFF)
option(ENABLE_TESTDATA "Enables unit test data download targets." ON)
option(ENABLE_TESTS "Enables unit tests." ON)
option(ENABLE_TOOLS "Enable applications in tools sub directory." ON)
option(ENABLE_WERROR "Converts warnings to errors at compile time." OFF)

# ARM assembly/intrinsics flags.
option(ENABLE_NEON "Enables NEON optimizations on ARM targets." ON)

# MIPS assembly/intrinsics flags.
option(ENABLE_DSPR2 "Enables DSPR2 optimizations on MIPS targets." OFF)
option(ENABLE_MSA "Enables MSA optimizations on MIPS targets." OFF)

# VSX intrinsics flags.
option(ENABLE_VSX "Enables VSX optimizations on PowerPC targets." ON)

# x86/x86_64 assembly/intrinsics flags.
option(ENABLE_MMX "Enables MMX optimizations on x86/x86_64 targets." ON)
option(ENABLE_SSE "Enables SSE optimizations on x86/x86_64 targets." ON)
option(ENABLE_SSE2 "Enables SSE2 optimizations on x86/x86_64 targets." ON)
option(ENABLE_SSE3 "Enables SSE3 optimizations on x86/x86_64 targets." ON)
option(ENABLE_SSSE3 "Enables SSSE3 optimizations on x86/x86_64 targets." ON)
option(ENABLE_SSE4_1 "Enables SSE4_1 optimizations on x86/x86_64 targets." ON)
option(ENABLE_SSE4_2 "Enables SSE4_2 optimizations on x86/x86_64 targets." ON)
option(ENABLE_AVX "Enables AVX optimizations on x86/x86_64 targets." ON)
option(ENABLE_AVX2 "Enables AVX2 optimizations on x86/x86_64 targets." ON)

# $BUILD_SHARED_LIBS is a CMake built-in-- it's listed here for visibility.
option(BUILD_SHARED_LIBS "CMake should generate a shared library build." OFF)

project(AOM C CXX)

set(AOM_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
set(AOM_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}")
set(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/include"
    CACHE PATH "Installation path of includes")
set(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib"
    CACHE PATH "Installation path of libraries")

if("${AOM_ROOT}" STREQUAL "${AOM_CONFIG_DIR}")
  message(FATAL_ERROR
            "Building from within the aom source tree is not supported.\n"
            "Hint: Run these commands\n" "$ rm -rf CMakeCache.txt CMakeFiles\n"
            "$ mkdir -p ../aom_build\n" "$ cd ../aom_build\n"
            "And re-run CMake from the aom_build directory.")
endif()

include("${AOM_ROOT}/build/cmake/aom_configure.cmake")
include("${AOM_ROOT}/aom_dsp/aom_dsp.cmake")
include("${AOM_ROOT}/aom_mem/aom_mem.cmake")
include("${AOM_ROOT}/aom_ports/aom_ports.cmake")
include("${AOM_ROOT}/aom_scale/aom_scale.cmake")
include("${AOM_ROOT}/aom_util/aom_util.cmake")
include("${AOM_ROOT}/av1/av1.cmake")
include("${AOM_ROOT}/test/test.cmake")
include("${AOM_ROOT}/build/cmake/sanitizers.cmake")
include("${AOM_ROOT}/build/cmake/util.cmake")

list(APPEND AOM_RTCD_SOURCES
            "${AOM_CONFIG_DIR}/config/aom_dsp_rtcd.h"
            "${AOM_CONFIG_DIR}/config/aom_scale_rtcd.h"
            "${AOM_CONFIG_DIR}/config/av1_rtcd.h"
            "${AOM_ROOT}/aom_dsp/aom_dsp_rtcd_defs.pl"
            "${AOM_ROOT}/aom_dsp/aom_dsp_rtcd.c"
            "${AOM_ROOT}/aom_scale/aom_scale_rtcd.pl"
            "${AOM_ROOT}/aom_scale/aom_scale_rtcd.c"
            "${AOM_ROOT}/av1/common/av1_rtcd_defs.pl"
            "${AOM_ROOT}/av1/common/av1_rtcd.c"
            "${AOM_ROOT}/build/make/rtcd.pl")

list(APPEND AOM_LIBWEBM_SOURCES
            "${AOM_ROOT}/third_party/libwebm/common/hdr_util.cc"
            "${AOM_ROOT}/third_party/libwebm/common/hdr_util.h"
            "${AOM_ROOT}/third_party/libwebm/common/webmids.h"
            "${AOM_ROOT}/third_party/libwebm/mkvmuxer/mkvmuxer.cc"
            "${AOM_ROOT}/third_party/libwebm/mkvmuxer/mkvmuxer.h"
            "${AOM_ROOT}/third_party/libwebm/mkvmuxer/mkvmuxertypes.h"
            "${AOM_ROOT}/third_party/libwebm/mkvmuxer/mkvmuxerutil.cc"
            "${AOM_ROOT}/third_party/libwebm/mkvmuxer/mkvmuxerutil.h"
            "${AOM_ROOT}/third_party/libwebm/mkvmuxer/mkvwriter.cc"
            "${AOM_ROOT}/third_party/libwebm/mkvmuxer/mkvwriter.h"
            "${AOM_ROOT}/third_party/libwebm/mkvparser/mkvparser.cc"
            "${AOM_ROOT}/third_party/libwebm/mkvparser/mkvparser.h"
            "${AOM_ROOT}/third_party/libwebm/mkvparser/mkvreader.cc"
            "${AOM_ROOT}/third_party/libwebm/mkvparser/mkvreader.h")

list(APPEND AOM_LIBYUV_SOURCES
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/basic_types.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/convert.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/convert_argb.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/convert_from.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/cpu_id.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/planar_functions.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/rotate.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/row.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/scale.h"
            "${AOM_ROOT}/third_party/libyuv/include/libyuv/scale_row.h"
            "${AOM_ROOT}/third_party/libyuv/source/cpu_id.cc"
            "${AOM_ROOT}/third_party/libyuv/source/planar_functions.cc"
            "${AOM_ROOT}/third_party/libyuv/source/row_any.cc"
            "${AOM_ROOT}/third_party/libyuv/source/row_common.cc"
            "${AOM_ROOT}/third_party/libyuv/source/row_gcc.cc"
            "${AOM_ROOT}/third_party/libyuv/source/row_mips.cc"
            "${AOM_ROOT}/third_party/libyuv/source/row_neon.cc"
            "${AOM_ROOT}/third_party/libyuv/source/row_neon64.cc"
            "${AOM_ROOT}/third_party/libyuv/source/row_win.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale_any.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale_common.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale_gcc.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale_mips.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale_neon.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale_neon64.cc"
            "${AOM_ROOT}/third_party/libyuv/source/scale_win.cc")

list(APPEND AOM_SOURCES
            "${AOM_CONFIG_DIR}/config/aom_config.c"
            "${AOM_CONFIG_DIR}/config/aom_config.h"
            "${AOM_ROOT}/aom/aom.h"
            "${AOM_ROOT}/aom/aom_codec.h"
            "${AOM_ROOT}/aom/aom_decoder.h"
            "${AOM_ROOT}/aom/aom_encoder.h"
            "${AOM_ROOT}/aom/aom_frame_buffer.h"
            "${AOM_ROOT}/aom/aom_image.h"
            "${AOM_ROOT}/aom/aom_integer.h"
            "${AOM_ROOT}/aom/aomcx.h"
            "${AOM_ROOT}/aom/aomdx.h"
            "${AOM_ROOT}/aom/internal/aom_codec_internal.h"
            "${AOM_ROOT}/aom/src/aom_codec.c"
            "${AOM_ROOT}/aom/src/aom_decoder.c"
            "${AOM_ROOT}/aom/src/aom_encoder.c"
            "${AOM_ROOT}/aom/src/aom_image.c"
            "${AOM_ROOT}/aom/src/aom_integer.c")

list(APPEND AOM_COMMON_APP_UTIL_SOURCES "${AOM_ROOT}/common/args.c"
            "${AOM_ROOT}/common/args.h" "${AOM_ROOT}/common/md5_utils.c"
            "${AOM_ROOT}/common/md5_utils.h"
            "${AOM_ROOT}/common/tools_common.c"
            "${AOM_ROOT}/common/tools_common.h"
            "${AOM_ROOT}/common/video_common.h" "${AOM_ROOT}/common/y4menc.c"
            "${AOM_ROOT}/common/y4menc.h")

list(APPEND AOM_DECODER_APP_UTIL_SOURCES "${AOM_ROOT}/common/ivfdec.c"
            "${AOM_ROOT}/common/ivfdec.h" "${AOM_ROOT}/common/obudec.c"
            "${AOM_ROOT}/common/obudec.h" "${AOM_ROOT}/common/video_reader.c"
            "${AOM_ROOT}/common/video_reader.h")

list(APPEND AOM_ENCODER_APP_UTIL_SOURCES
            "${AOM_ROOT}/common/ivfenc.c"
            "${AOM_ROOT}/common/ivfenc.h"
            "${AOM_ROOT}/common/video_writer.c"
            "${AOM_ROOT}/common/video_writer.h"
            "${AOM_ROOT}/common/warnings.c"
            "${AOM_ROOT}/common/warnings.h"
            "${AOM_ROOT}/common/y4minput.c"
            "${AOM_ROOT}/common/y4minput.h"
            "${AOM_ROOT}/examples/encoder_util.h"
            "${AOM_ROOT}/examples/encoder_util.c")

if (ENABLE_EXAMPLES)
  list(APPEND AOM_ENCODER_STATS_SOURCES "${AOM_ROOT}/stats/aomstats.c"
              "${AOM_ROOT}/stats/aomstats.h" "${AOM_ROOT}/stats/rate_hist.c"
              "${AOM_ROOT}/stats/rate_hist.h")
endif ()

list(APPEND AOM_PKG_CONFIG_SOURCES "${AOM_CONFIG_DIR}/aom.pc")

list(APPEND AOM_VERSION_SOURCES "${AOM_CONFIG_DIR}/config/aom_version.h")

list(APPEND AOM_WEBM_DECODER_SOURCES "${AOM_ROOT}/common/webmdec.cc"
            "${AOM_ROOT}/common/webmdec.h")

list(APPEND AOM_WEBM_ENCODER_SOURCES "${AOM_ROOT}/common/webmenc.cc"
            "${AOM_ROOT}/common/webmenc.h")

include_directories(${AOM_ROOT} ${AOM_CONFIG_DIR} ${AOM_ROOT}/apps
                    ${AOM_ROOT}/common ${AOM_ROOT}/examples ${AOM_ROOT}/stats)

# Targets
add_library(aom_version ${AOM_VERSION_SOURCES})
add_dummy_source_file_to_target(aom_version c)
add_custom_command(OUTPUT "${AOM_CONFIG_DIR}/config/aom_version.h"
                   COMMAND ${CMAKE_COMMAND} ARGS
                           -DAOM_CONFIG_DIR=${AOM_CONFIG_DIR}
                           -DAOM_ROOT=${AOM_ROOT}
                           -DGIT_EXECUTABLE=${GIT_EXECUTABLE}
                           -DPERL_EXECUTABLE=${PERL_EXECUTABLE} -P
                           "${AOM_ROOT}/build/cmake/version.cmake"
                   COMMENT "Writing aom_version.h" VERBATIM)

add_custom_target(aom_version_check
                  COMMAND ${CMAKE_COMMAND} -DAOM_CONFIG_DIR=${AOM_CONFIG_DIR}
                          -DAOM_ROOT=${AOM_ROOT}
                          -DGIT_EXECUTABLE=${GIT_EXECUTABLE}
                          -DPERL_EXECUTABLE=${PERL_EXECUTABLE} -P
                          "${AOM_ROOT}/build/cmake/version.cmake"
                  COMMENT "Updating version info if necessary." VERBATIM)
add_dependencies(aom_version aom_version_check)

if(NOT MSVC)
  add_library(aom_pc ${AOM_PKG_CONFIG_SOURCES})
  add_dummy_source_file_to_target(aom_pc c)
  add_custom_command(OUTPUT "${AOM_CONFIG_DIR}/aom.pc"
                     COMMAND ${CMAKE_COMMAND} ARGS
                             -DAOM_CONFIG_DIR=${AOM_CONFIG_DIR}
                             -DAOM_ROOT=${AOM_ROOT}
                             -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
                             -DCMAKE_PROJECT_NAME=${CMAKE_PROJECT_NAME}
                             -DCONFIG_MULTITHREAD=${CONFIG_MULTITHREAD}
                             -DHAVE_PTHREAD_H=${HAVE_PTHREAD_H} -P
                             "${AOM_ROOT}/build/cmake/pkg_config.cmake"
                     COMMENT "Writing aom.pc" VERBATIM)
  add_dependencies(aom_pc aom_version)
endif()

# TODO(tomfinegan): Move rtcd target setup where it belongs for each rtcd
# source.
add_rtcd_build_step("${AOM_ROOT}/aom_dsp/aom_dsp_rtcd_defs.pl"
                    "${AOM_CONFIG_DIR}/config/aom_dsp_rtcd.h"
                    "${AOM_ROOT}/aom_dsp/aom_dsp_rtcd.c" "aom_dsp_rtcd")
add_rtcd_build_step("${AOM_ROOT}/aom_scale/aom_scale_rtcd.pl"
                    "${AOM_CONFIG_DIR}/config/aom_scale_rtcd.h"
                    "${AOM_ROOT}/aom_scale/aom_scale_rtcd.c" "aom_scale_rtcd")
add_rtcd_build_step("${AOM_ROOT}/av1/common/av1_rtcd_defs.pl"
                    "${AOM_CONFIG_DIR}/config/av1_rtcd.h"
                    "${AOM_ROOT}/av1/common/av1_rtcd.c" "av1_rtcd")

add_library(aom_rtcd OBJECT ${AOM_RTCD_SOURCES})
add_dependencies(aom_rtcd aom_version)

add_library(aom_encoder_stats OBJECT ${AOM_ENCODER_STATS_SOURCES})
add_library(aom ${AOM_SOURCES} $<TARGET_OBJECTS:aom_rtcd>)

if(NOT MSVC AND NOT APPLE)
  target_link_libraries(aom ${AOM_LIB_LINK_TYPE} m)
endif()

# List of object and static library targets.
set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} aom_rtcd aom_encoder_stats aom_mem
    aom_scale aom)

# Setup dependencies.
setup_aom_dsp_targets()
setup_aom_mem_targets()
setup_aom_ports_targets()
setup_aom_util_targets()
setup_aom_scale_targets()
setup_av1_targets()

# Make all library targets depend on aom_rtcd to make sure it builds first.
foreach(aom_lib ${AOM_LIB_TARGETS})
  if(NOT "${aom_lib}" STREQUAL "aom_rtcd")
    add_dependencies(${aom_lib} aom_rtcd)
  endif()
endforeach()

# Generate C/C++ stub files containing the function usage_exit(). Users of the
# aom_common_app_util library must define this function. This is a convenience
# to allow omission of the function from applications that might want to use
# other pieces of the util support without defining usage_exit().
file(WRITE "${AOM_CONFIG_DIR}/usage_exit.c" "void usage_exit(void) {}")
file(WRITE "${AOM_CONFIG_DIR}/usage_exit.cc"
           "extern \"C\" void usage_exit(void) {}")

#
# Application and application support targets.
#
if(ENABLE_EXAMPLES OR ENABLE_TESTS OR ENABLE_TOOLS)
  add_library(aom_common_app_util OBJECT ${AOM_COMMON_APP_UTIL_SOURCES})
  if(CONFIG_AV1_DECODER)
    add_library(aom_decoder_app_util OBJECT ${AOM_DECODER_APP_UTIL_SOURCES})
    # obudec depends on internal headers that require *rtcd.h
    add_dependencies(aom_decoder_app_util aom_rtcd)
  endif()
  if(CONFIG_AV1_ENCODER)
    add_library(aom_encoder_app_util OBJECT ${AOM_ENCODER_APP_UTIL_SOURCES})
  endif()
endif()

if((CONFIG_AV1_DECODER OR CONFIG_AV1_ENCODER) AND ENABLE_EXAMPLES)
  add_executable(resize_util "${AOM_ROOT}/examples/resize_util.c"
                 $<TARGET_OBJECTS:aom_common_app_util>)
  list(APPEND AOM_APP_TARGETS resize_util)
endif()

if(CONFIG_AV1_DECODER AND ENABLE_EXAMPLES)
  add_executable(aomdec "${AOM_ROOT}/apps/aomdec.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)
  add_executable(decode_to_md5 "${AOM_ROOT}/examples/decode_to_md5.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)
  add_executable(decode_with_drops "${AOM_ROOT}/examples/decode_with_drops.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)
  add_executable(simple_decoder "${AOM_ROOT}/examples/simple_decoder.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)
  add_executable(scalable_decoder "${AOM_ROOT}/examples/scalable_decoder.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)

  if(CONFIG_ANALYZER)
    add_executable(analyzer "${AOM_ROOT}/examples/analyzer.cc"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_decoder_app_util>)
    target_link_libraries(analyzer ${AOM_LIB_LINK_TYPE} ${wxWidgets_LIBRARIES})
    list(APPEND AOM_APP_TARGETS analyzer)
    list(APPEND AOM_DECODER_EXAMPLE_TARGETS analyzer)
  endif()

  if(CONFIG_INSPECTION)
    add_executable(inspect "${AOM_ROOT}/examples/inspect.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_decoder_app_util>)
    list(APPEND AOM_DECODER_EXAMPLE_TARGETS inspect)

    if(EMSCRIPTEN)
      add_preproc_definition(_POSIX_SOURCE)
      append_link_flag_to_target("inspect" "-s TOTAL_MEMORY=402653184")
      append_link_flag_to_target("inspect" "-s MODULARIZE=1")
      append_link_flag_to_target("inspect"
                                 "-s EXPORT_NAME=\"\'DecoderModule\'\"")
      append_link_flag_to_target("inspect" "--memory-init-file 0")

      if("${CMAKE_BUILD_TYPE}" STREQUAL "")

        # Default to -O3 when no build type is specified.
        append_compiler_flag("-O3")
      endif()

      em_link_post_js(inspect "${AOM_ROOT}/tools/inspect-post.js")
    endif()
  endif()

  # Maintain a list of decoder example targets.
  list(APPEND AOM_DECODER_EXAMPLE_TARGETS aomdec decode_to_md5
              decode_with_drops scalable_decoder simple_decoder)

  # Add decoder examples to the app targets list.
  list(APPEND AOM_APP_TARGETS ${AOM_DECODER_EXAMPLE_TARGETS})
endif()

if(CONFIG_AV1_ENCODER)
  if(ENABLE_EXAMPLES)
    add_executable(aomenc "${AOM_ROOT}/apps/aomenc.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_encoder_app_util>
                   $<TARGET_OBJECTS:aom_encoder_stats>)
    add_executable(lossless_encoder "${AOM_ROOT}/examples/lossless_encoder.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_encoder_app_util>)
    add_executable(set_maps "${AOM_ROOT}/examples/set_maps.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_encoder_app_util>)
    add_executable(simple_encoder "${AOM_ROOT}/examples/simple_encoder.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_encoder_app_util>)
    add_executable(twopass_encoder "${AOM_ROOT}/examples/twopass_encoder.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_encoder_app_util>)
    add_executable(noise_model "${AOM_ROOT}/examples/noise_model.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_encoder_app_util>)
    add_executable(scalable_encoder "${AOM_ROOT}/examples/scalable_encoder.c"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_encoder_app_util>)

    # Maintain a list of encoder example targets.
    list(APPEND AOM_ENCODER_EXAMPLE_TARGETS aomenc lossless_encoder noise_model
                set_maps simple_encoder scalable_encoder twopass_encoder)
  endif()

  if(ENABLE_TOOLS)
    if(CONFIG_ENTROPY_STATS AND NOT BUILD_SHARED_LIBS)

      # TODO(tomfinegan): Sort out why a simple link command with
      # aom_entropy_optimizer.c won't work on macos, but dragging in all the
      # helper machinery allows the link to succeed.
      add_executable(aom_entropy_optimizer "${AOM_CONFIG_DIR}/usage_exit.c"
                     "${AOM_ROOT}/tools/aom_entropy_optimizer.c"
                     $<TARGET_OBJECTS:aom_common_app_util>
                     $<TARGET_OBJECTS:aom_encoder_app_util>)

      # Maintain a list of encoder tool targets.
      list(APPEND AOM_ENCODER_TOOL_TARGETS aom_entropy_optimizer)
    endif()
  endif()

  # Add encoder examples and tools to the targets list.
  list(APPEND AOM_APP_TARGETS ${AOM_ENCODER_EXAMPLE_TARGETS}
              ${AOM_ENCODER_TOOL_TARGETS})
endif()

if(ENABLE_EXAMPLES)

  # Maintain a separate variable listing only the examples to facilitate
  # installation of example programs into an examples sub directory of
  # $AOM_DIST_DIR/bin when building the dist target.
  list(APPEND AOM_EXAMPLE_TARGETS ${AOM_DECODER_EXAMPLE_TARGETS}
              ${AOM_ENCODER_EXAMPLE_TARGETS})
endif()

if(ENABLE_TOOLS)
  if(CONFIG_AV1_DECODER)
    require_cxx_flag_nomsvc("-std=c++11" NO)
    add_executable(dump_obu "${AOM_CONFIG_DIR}/usage_exit.cc"
                   "${AOM_ROOT}/tools/dump_obu.cc"
                   "${AOM_ROOT}/tools/obu_parser.cc"
                   "${AOM_ROOT}/tools/obu_parser.h"
                   $<TARGET_OBJECTS:aom_common_app_util>
                   $<TARGET_OBJECTS:aom_decoder_app_util>)

    list(APPEND AOM_TOOL_TARGETS dump_obu)
    list(APPEND AOM_APP_TARGETS dump_obu)

    if(NOT MSVC)
      target_compile_options(dump_obu PUBLIC -std=c++11)
    endif()

    # Maintain a separate variable listing only the examples to facilitate
    # installation of example programs into an tools sub directory of
    # $AOM_DIST_DIR/bin when building the dist target.
    list(APPEND AOM_TOOL_TARGETS ${AOM_DECODER_TOOL_TARGETS}
                ${AOM_ENCODER_TOOL_TARGETS})
  endif()
endif()

if(ENABLE_EXAMPLES AND CONFIG_AV1_DECODER AND CONFIG_AV1_ENCODER)
  add_executable(aom_cx_set_ref "${AOM_ROOT}/examples/aom_cx_set_ref.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_encoder_app_util>)
  list(APPEND AOM_EXAMPLE_TARGETS aom_cx_set_ref)
  list(APPEND AOM_APP_TARGETS aom_cx_set_ref)
endif()

if(ENABLE_EXAMPLES AND CONFIG_AV1_ENCODER)
  add_executable(lightfield_encoder "${AOM_ROOT}/examples/lightfield_encoder.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_encoder_app_util>)
  list(APPEND AOM_EXAMPLE_TARGETS lightfield_encoder)
  list(APPEND AOM_APP_TARGETS lightfield_encoder)
endif()

if(ENABLE_EXAMPLES AND CONFIG_AV1_DECODER)
  add_executable(lightfield_tile_list_decoder
                 "${AOM_ROOT}/examples/lightfield_tile_list_decoder.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)
  list(APPEND AOM_EXAMPLE_TARGETS lightfield_tile_list_decoder)
  list(APPEND AOM_APP_TARGETS lightfield_tile_list_decoder)
endif()

if(ENABLE_EXAMPLES AND CONFIG_AV1_DECODER)
  add_executable(lightfield_decoder "${AOM_ROOT}/examples/lightfield_decoder.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)
  list(APPEND AOM_EXAMPLE_TARGETS lightfield_decoder)
  list(APPEND AOM_APP_TARGETS lightfield_decoder)
endif()

if(ENABLE_EXAMPLES AND CONFIG_AV1_ENCODER AND CONFIG_AV1_DECODER)
  add_executable(lightfield_bitstream_parsing
                 "${AOM_ROOT}/examples/lightfield_bitstream_parsing.c"
                 $<TARGET_OBJECTS:aom_common_app_util>
                 $<TARGET_OBJECTS:aom_encoder_app_util>
                 $<TARGET_OBJECTS:aom_decoder_app_util>)
  list(APPEND AOM_EXAMPLE_TARGETS lightfield_bitstream_parsing)
  list(APPEND AOM_APP_TARGETS lightfield_bitstream_parsing)
endif()

foreach(aom_app ${AOM_APP_TARGETS})
  target_link_libraries(${aom_app} ${AOM_LIB_LINK_TYPE} aom)
endforeach()

if(ENABLE_EXAMPLES OR ENABLE_TESTS OR ENABLE_TOOLS)
  if(CONFIG_LIBYUV)
    add_library(yuv OBJECT ${AOM_LIBYUV_SOURCES})
    if(NOT MSVC)
      target_compile_options(yuv PRIVATE -Wno-unused-parameter)
    endif()
    include_directories("${AOM_ROOT}/third_party/libyuv/include")

    # Add to existing targets.
    foreach(aom_app ${AOM_APP_TARGETS})
      target_sources(${aom_app} PRIVATE $<TARGET_OBJECTS:yuv>)
      set_property(TARGET ${aom_app} PROPERTY LINKER_LANGUAGE CXX)
    endforeach()
  endif()

  if(CONFIG_WEBM_IO)
    require_cxx_flag_nomsvc("-std=c++11" NO)

    add_library(webm OBJECT ${AOM_LIBWEBM_SOURCES})
    include_directories("${AOM_ROOT}/third_party/libwebm")
    target_compile_definitions(webm PRIVATE __STDC_CONSTANT_MACROS)
    target_compile_definitions(webm PRIVATE __STDC_LIMIT_MACROS)

    if(NOT MSVC)
      target_compile_options(webm PRIVATE -Wno-shadow)
      target_compile_options(webm PUBLIC -std=c++11)
    endif()

    # Add to existing targets.
    if(CONFIG_AV1_DECODER)
      target_sources(aom_decoder_app_util PRIVATE ${AOM_WEBM_DECODER_SOURCES})
    endif()

    if(CONFIG_AV1_ENCODER)
      target_sources(aom_encoder_app_util PRIVATE ${AOM_WEBM_ENCODER_SOURCES})
    endif()

    foreach(aom_app ${AOM_APP_TARGETS})
      target_sources(${aom_app} PRIVATE $<TARGET_OBJECTS:webm>)
      set_property(TARGET ${aom_app} PROPERTY LINKER_LANGUAGE CXX)
    endforeach()
  endif()
endif()

if(ENABLE_TESTS)

  # Create test_libaom target and the targets it depends on.
  setup_aom_test_targets()
endif()

if(HAVE_PTHREAD_H AND CONFIG_MULTITHREAD)
  find_package(Threads)
  foreach(app_target ${AOM_APP_TARGETS})
    target_link_libraries(${app_target} ${AOM_LIB_LINK_TYPE} Threads::Threads)
  endforeach()
endif()

if(XCODE)

  # TODO(tomfinegan): Make sure target has no C++ files before doing this as
  # it's not necessary in that case.
  if(CONFIG_LIBYUV OR CONFIG_WEBM_IO)

    # The Xcode generator does not obey LINKER_LANGUAGE. Because of the issue
    # what looks like a C++ file needs to be in any target that Xcode will link
    # when the target contains a C++ dependency. Without this Xcode will try to
    # link with the C linker, which always ends badly when a dependency actually
    # includes C++.

    # Note: LINKER_LANGUAGE is explicitly set to C++ for all targets touched
    # here, it really is the Xcode generator's fault, or just a deficiency in
    # Xcode itself.
    foreach(aom_app ${AOM_APP_TARGETS})
      add_dummy_source_file_to_target("${aom_app}" "cc")
    endforeach()
  endif()
endif()

if(ENABLE_EXAMPLES AND "${CMAKE_GENERATOR}" MATCHES "Makefiles$")

  # For historical purposes place the example binaries in the example directory.
  file(MAKE_DIRECTORY "${AOM_CONFIG_DIR}/examples")

  foreach(target ${AOM_EXAMPLE_TARGETS})
    if(NOT "${target}" MATCHES "aomdec\|aomenc")
      set_target_properties(${target}
                            PROPERTIES RUNTIME_OUTPUT_DIRECTORY
                                       "${AOM_CONFIG_DIR}/examples")
    endif()
  endforeach()

  if(ENABLE_TOOLS AND AOM_TOOL_TARGETS)

    # The same expectation is true for tool targets.
    file(MAKE_DIRECTORY "${AOM_CONFIG_DIR}/tools")
    set_target_properties(${AOM_TOOL_TARGETS}
                          PROPERTIES RUNTIME_OUTPUT_DIRECTORY
                                     "${AOM_CONFIG_DIR}/tools")
  endif()
endif()

if(BUILD_SHARED_LIBS)
  include("${AOM_ROOT}/build/cmake/exports.cmake")
  setup_exports_target()
  set_target_properties(aom PROPERTIES SOVERSION 0)
endif()

# Handle user supplied compile and link flags last to ensure they're obeyed.
set_user_flags()

# Aomedia documentation rule.
if(ENABLE_DOCS)
  include(FindDoxygen)
  if(DOXYGEN_FOUND)
    include("${AOM_ROOT}/docs.cmake")
    setup_documentation_targets()
  else()
    message("--- Cannot find doxygen, ENABLE_DOCS turned off.")
    set(ENABLE_DOCS OFF)
  endif()
endif()

if(NOT (MSVC OR XCODE))

  # Aomedia install rule.
  list(APPEND AOM_INSTALL_INCS "${AOM_ROOT}/aom/aom.h"
              "${AOM_ROOT}/aom/aom_codec.h"
              "${AOM_ROOT}/aom/aom_frame_buffer.h"
              "${AOM_ROOT}/aom/aom_image.h" "${AOM_ROOT}/aom/aom_integer.h"
              "${AOM_ROOT}/aom/aom.h")

  if(CONFIG_AV1_DECODER)
    if(ENABLE_EXAMPLES)
      list(APPEND AOM_INSTALL_BINS aomdec)
    endif()

    list(APPEND AOM_INSTALL_INCS "${AOM_ROOT}/aom/aom_decoder.h"
                "${AOM_ROOT}/aom/aomdx.h")
  endif()

  if(CONFIG_AV1_ENCODER)
    if(ENABLE_EXAMPLES)
      list(APPEND AOM_INSTALL_BINS aomenc)
    endif()

    list(APPEND AOM_INSTALL_INCS "${AOM_ROOT}/aom/aomcx.h"
                "${AOM_ROOT}/aom/aom_encoder.h")
  endif()

  set(AOM_INSTALL_LIBS aom)

  install(FILES ${AOM_INSTALL_INCS} DESTINATION "${INCLUDE_INSTALL_DIR}/aom")
  install(FILES "${AOM_CONFIG_DIR}/aom.pc" DESTINATION
                "${LIB_INSTALL_DIR}/pkgconfig")
  install(TARGETS ${AOM_INSTALL_LIBS} DESTINATION "${LIB_INSTALL_DIR}")

  if(ENABLE_EXAMPLES)
    install(TARGETS ${AOM_INSTALL_BINS} DESTINATION
                    "${CMAKE_INSTALL_PREFIX}/bin")
  endif()
endif()

# Aomedia dist rule.
if(CONFIG_AV1_DECODER AND ENABLE_EXAMPLES)
  list(APPEND AOM_DIST_APPS $<TARGET_FILE:aomdec>)
endif()
if(CONFIG_AV1_ENCODER AND ENABLE_EXAMPLES)
  list(APPEND AOM_DIST_APPS $<TARGET_FILE:aomenc>)
endif()

if(ENABLE_EXAMPLES)
  foreach(example ${AOM_EXAMPLE_TARGETS})
    list(APPEND AOM_DIST_EXAMPLES $<TARGET_FILE:${example}>)
  endforeach()
endif()

if(ENABLE_TOOLS)
  foreach(tool ${AOM_TOOL_TARGETS})
    list(APPEND AOM_DIST_TOOLS $<TARGET_FILE:${tool}>)
  endforeach()
endif()

if(NOT AOM_DIST_DIR)
  set(AOM_DIST_DIR "${AOM_CONFIG_DIR}/dist")
endif()

add_custom_target(dist
                  COMMAND ${CMAKE_COMMAND} -DAOM_ROOT=${AOM_ROOT}
                          -DAOM_CONFIG_DIR=${AOM_CONFIG_DIR}
                          -DAOM_DIST_DIR=${AOM_DIST_DIR}
                          -DAOM_DIST_APPS="${AOM_DIST_APPS}"
                          -DAOM_DIST_EXAMPLES="${AOM_DIST_EXAMPLES}"
                          -DAOM_DIST_TOOLS="${AOM_DIST_TOOLS}"
                          -DAOM_DIST_INCLUDES="${AOM_INSTALL_INCS}"
                          -DAOM_DIST_LIBS=$<TARGET_FILE:aom>
                          -DENABLE_DOCS=${ENABLE_DOCS} -P
                          "${AOM_ROOT}/build/cmake/dist.cmake"
                  DEPENDS ${AOM_INSTALL_BINS} ${AOM_INSTALL_LIBS}
                          ${AOM_INSTALL_INCS} ${AOM_EXAMPLE_TARGETS}
                          ${AOM_TOOL_TARGETS})

if(ENABLE_DOCS)
  add_dependencies(dist docs)
endif()

# Collect all variables containing libaom source files.
get_cmake_property(all_cmake_vars VARIABLES)
foreach(var ${all_cmake_vars})
  if("${var}" MATCHES "SOURCES$\|_INTRIN_\|_ASM_" AND NOT "${var}" MATCHES
     "_APP_\|DOXYGEN\|LIBWEBM\|LIBYUV\|_PKG_\|TEST")
    list(APPEND aom_source_vars ${var})
  endif()
endforeach()

# Libaom_srcs.txt generation.
set(libaom_srcs_txt_file "${AOM_CONFIG_DIR}/libaom_srcs.txt")
file(WRITE "${libaom_srcs_txt_file}" "# This file is generated. DO NOT EDIT.\n")

# Static source file list first.
foreach(aom_source_var ${aom_source_vars})
  foreach(file ${${aom_source_var}})
    if(NOT "${file}" MATCHES "${AOM_CONFIG_DIR}")
      string(REPLACE "${AOM_ROOT}/" "" file "${file}")
      file(APPEND "${libaom_srcs_txt_file}" "${file}\n")
    endif()
  endforeach()
endforeach()

file(APPEND
       "${libaom_srcs_txt_file}"
       "# Files below this line are generated by the libaom build system.\n")
foreach(aom_source_var ${aom_source_vars})
  foreach(file ${${aom_source_var}})
    if("${file}" MATCHES "${AOM_CONFIG_DIR}")
      string(REPLACE "${AOM_CONFIG_DIR}/" "" file "${file}")
      file(APPEND "${libaom_srcs_txt_file}" "${file}\n")
    endif()
  endforeach()
endforeach()

# Libaom_srcs.gni generation.
set(libaom_srcs_gni_file "${AOM_CONFIG_DIR}/libaom_srcs.gni")
file(WRITE "${libaom_srcs_gni_file}" "# This file is generated. DO NOT EDIT.\n")

foreach(aom_source_var ${aom_source_vars})
  if("${${aom_source_var}}" MATCHES "${AOM_ROOT}")
    string(TOLOWER ${aom_source_var} aom_source_var_lowercase)
    file(APPEND "${libaom_srcs_gni_file}" "\n${aom_source_var_lowercase} = [\n")
  endif()

  foreach(file ${${aom_source_var}})
    if(NOT "${file}" MATCHES "${AOM_CONFIG_DIR}")
      string(REPLACE "${AOM_ROOT}" "//third_party/libaom/source/libaom" file
                     "${file}")
      file(APPEND "${libaom_srcs_gni_file}" "  \"${file}\",\n")
    endif()
  endforeach()

  if("${${aom_source_var}}" MATCHES "${AOM_ROOT}")
    file(APPEND "${libaom_srcs_gni_file}" "]\n")
  endif()
endforeach()

file(APPEND
       "${libaom_srcs_gni_file}"
       "\n# Files below this line are generated by the libaom build system.\n")

foreach(aom_source_var ${aom_source_vars})
  if("${${aom_source_var}}" MATCHES "${AOM_CONFIG_DIR}")
    string(TOLOWER ${aom_source_var} aom_source_var_lowercase)
    file(APPEND "${libaom_srcs_gni_file}"
                "\n${aom_source_var_lowercase}_gen = [\n")
  endif()
  foreach(file ${${aom_source_var}})
    if(NOT "${file}" MATCHES "${AOM_ROOT}")
      string(REPLACE "${AOM_CONFIG_DIR}" "//third_party/libaom/source/libaom"
                     file "${file}")
      file(APPEND "${libaom_srcs_gni_file}" "  \"${file}\",\n")
    endif()
  endforeach()

  if("${${aom_source_var}}" MATCHES "${AOM_CONFIG_DIR}")
    file(APPEND "${libaom_srcs_gni_file}" "]\n")
  endif()
endforeach()