CMakeLists.txt - aom - Git at Google


            
            ##

            
            ## 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_ADOPTED_EXPERIMENTS "Enable adopted experiments." ON)

            
            option(ENABLE_CCACHE "Enable ccache support." OFF)

            
            option(ENABLE_DISTCC "Enable distcc support." OFF)

            
            option(ENABLE_DOCS "Enable documentation generation (doxygen required)." ON)

            
            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_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)

            
            option(ENABLE_NEON_ASM "Enables NEON ASM 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)


            # 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_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}")


            if ("${AOM_ROOT}" STREQUAL "${AOM_CONFIG_DIR}")

            
              message(FATAL_ERROR

            
                      "Building from within the aom source tree is not supported.\n"

            
                      "Hint: mkdir -p ../aom_build && cd ../aom_build\n"

            
                      "Run cmake from there.")

            
            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")


            set(AOM_RTCD_SOURCES

            
                "${AOM_CONFIG_DIR}/aom_dsp_rtcd.h"

            
                "${AOM_CONFIG_DIR}/aom_scale_rtcd.h"

            
                "${AOM_CONFIG_DIR}/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")


            # TODO(tomfinegan): Use libwebm's cmake support directly.

            
            set(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")


            set(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")


            set(AOM_SOURCES

            
                "${AOM_CONFIG_DIR}/aom_config.c"

            
                "${AOM_CONFIG_DIR}/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")


            set(AOM_COMMON_APP_UTIL_SOURCES

            
                "${AOM_ROOT}/args.c"

            
                "${AOM_ROOT}/args.h"

            
                "${AOM_ROOT}/md5_utils.c"

            
                "${AOM_ROOT}/md5_utils.h"

            
                "${AOM_ROOT}/tools_common.c"

            
                "${AOM_ROOT}/tools_common.h"

            
                "${AOM_ROOT}/video_common.h"

            
                "${AOM_ROOT}/y4menc.c"

            
                "${AOM_ROOT}/y4menc.h")


            set(AOM_DECODER_APP_UTIL_SOURCES

            
                "${AOM_ROOT}/ivfdec.c"

            
                "${AOM_ROOT}/ivfdec.h"

            
                "${AOM_ROOT}/video_reader.c"

            
                "${AOM_ROOT}/video_reader.h")


            if (CONFIG_OBU_NO_IVF)

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

            
            endif ()


            set(AOM_ENCODER_APP_UTIL_SOURCES

            
                "${AOM_ROOT}/ivfenc.c"

            
                "${AOM_ROOT}/ivfenc.h"

            
                "${AOM_ROOT}/video_writer.c"

            
                "${AOM_ROOT}/video_writer.h"

            
                "${AOM_ROOT}/warnings.c"

            
                "${AOM_ROOT}/warnings.h"

            
                "${AOM_ROOT}/y4minput.c"

            
                "${AOM_ROOT}/y4minput.h"

            
                "${AOM_ROOT}/examples/encoder_util.h"

            
                "${AOM_ROOT}/examples/encoder_util.c")


            set(AOM_ENCODER_STATS_SOURCES

            
                "${AOM_ROOT}/aomstats.c"

            
                "${AOM_ROOT}/aomstats.h"

            
                "${AOM_ROOT}/rate_hist.c"

            
                "${AOM_ROOT}/rate_hist.h")


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


            set(AOM_VERSION_SOURCES "${AOM_CONFIG_DIR}/aom_version.h")


            set(AOM_WEBM_DECODER_SOURCES

            
                "${AOM_ROOT}/webmdec.cc"

            
                "${AOM_ROOT}/webmdec.h")


            set(AOM_WEBM_ENCODER_SOURCES

            
                "${AOM_ROOT}/webmenc.cc"

            
                "${AOM_ROOT}/webmenc.h")


            include_directories(${AOM_ROOT} ${AOM_CONFIG_DIR})


            # Targets

            
            add_library(aom_version ${AOM_VERSION_SOURCES})

            
            add_dummy_source_file_to_target(aom_version c)

            
            add_custom_command(

            
              OUTPUT "${AOM_CONFIG_DIR}/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}/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}/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}/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 a stub file containing the C 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 the usage_exit().

            
            file(WRITE "${AOM_CONFIG_DIR}/usage_exit.c" "void usage_exit(void) {}")


            #

            
            # Application and application support targets.

            
            #

            
            if (CONFIG_UNIT_TESTS OR ENABLE_EXAMPLES 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})

            
              endif ()

            
              if (CONFIG_AV1_ENCODER)

            
                add_library(aom_encoder_app_util OBJECT ${AOM_ENCODER_APP_UTIL_SOURCES})

            
              endif ()

            
            endif ()


            if (CONFIG_AV1_DECODER AND ENABLE_EXAMPLES)

            
              add_executable(aomdec

            
                             "${AOM_ROOT}/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>)


              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})

            
                set(AOM_APP_TARGETS ${AOM_APP_TARGETS} analyzer)

            
                set(AOM_DECODER_EXAMPLE_TARGETS ${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>)

            
                set(AOM_DECODER_EXAMPLE_TARGETS ${AOM_DECODER_EXAMPLE_TARGETS} inspect)


                if (EMSCRIPTEN)

            
                  add_preproc_definition(_POSIX_SOURCE)

            
                  append_link_flag_to_target("inspect" "-s TOTAL_MEMORY=134217728")

            
                  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 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.

            
              set(AOM_DECODER_EXAMPLE_TARGETS ${AOM_DECODER_EXAMPLE_TARGETS}

            
                  aomdec decode_to_md5 decode_with_drops simple_decoder)


              # Add decoder examples to the app targets list.

            
              set(AOM_APP_TARGETS ${AOM_APP_TARGETS} ${AOM_DECODER_EXAMPLE_TARGETS})

            
            endif ()


            if (CONFIG_AV1_ENCODER)

            
              if (ENABLE_EXAMPLES)

            
                add_executable(aomenc

            
                               "${AOM_ROOT}/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>)


                # Maintain a list of encoder example targets.

            
                set(AOM_ENCODER_EXAMPLE_TARGETS

            
                    aomenc lossless_encoder set_maps simple_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.

            
                  set(AOM_ENCODER_TOOL_TARGETS

            
                      ${AOM_ENCODER_TOOL_TARGETS} aom_entropy_optimizer)

            
                endif ()

            
              endif ()


              # Add encoder examples and tools to the targets list.

            
              set(AOM_APP_TARGETS ${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.

            
              set(AOM_EXAMPLE_TARGETS

            
                  ${AOM_DECODER_EXAMPLE_TARGETS} ${AOM_ENCODER_EXAMPLE_TARGETS})

            
            endif ()


            if (ENABLE_TOOLS)

            
              if (CONFIG_OBU AND CONFIG_ADD_4BYTES_OBUSIZE)

            
                require_cxx_flag_nomsvc("-std=c++11" YES)

            
                add_executable(dump_obu

            
                               "${AOM_CONFIG_DIR}/usage_exit.c"

            
                               "${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)

            
              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 ()


            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>)

            
              set(AOM_EXAMPLE_TARGETS ${AOM_EXAMPLE_TARGETS} aom_cx_set_ref)

            
              set(AOM_APP_TARGETS ${AOM_APP_TARGETS} aom_cx_set_ref)

            
            endif ()


            foreach (aom_app ${AOM_APP_TARGETS})

            
              target_link_libraries(${aom_app} ${AOM_LIB_LINK_TYPE} aom)

            
            endforeach ()


            if (CONFIG_UNIT_TESTS OR ENABLE_EXAMPLES 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)

            
                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)

            
                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 (CONFIG_UNIT_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 "${CMAKE_GENERATOR}" MATCHES "Makefiles$")

            
              # Users of the configure build expect the example targets to be built in the

            
              # examples sub directory of the configured build directory after running make.

            
              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 ()


            # Aomedia install rule.

            
            set(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)

            
                set(AOM_INSTALL_BINS ${AOM_INSTALL_BINS} aomdec)

            
              endif ()


              set(AOM_INSTALL_INCS

            
                  ${AOM_INSTALL_INCS}

            
                  "${AOM_ROOT}/aom/aom_decoder.h"

            
                  "${AOM_ROOT}/aom/aomdx.h")

            
            endif ()


            if (CONFIG_AV1_ENCODER)

            
              if (ENABLE_EXAMPLES)

            
                set(AOM_INSTALL_BINS ${AOM_INSTALL_BINS} aomenc)

            
              endif ()


              set(AOM_INSTALL_INCS

            
                  ${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 "${CMAKE_INSTALL_PREFIX}/include/aom")

            
            install(FILES "${AOM_CONFIG_DIR}/aom.pc"

            
                    DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")

            
            install(TARGETS ${AOM_INSTALL_LIBS} DESTINATION "${CMAKE_INSTALL_PREFIX}/lib")


            if (ENABLE_EXAMPLES)

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

            
            endif ()


            # Aomedia dist rule.

            
            if (CONFIG_AV1_DECODER AND ENABLE_EXAMPLES)

            
              set(AOM_DIST_APPS ${AOM_DIST_APPS} $<TARGET_FILE:aomdec>)

            
            endif ()

            
            if (CONFIG_AV1_ENCODER AND ENABLE_EXAMPLES)

            
              set(AOM_DIST_APPS ${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 "${AOM_ROOT}" "//third_party/aom/src" file "${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 "${AOM_CONFIG_DIR}" "//third_party/aom/src" file "${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 ()