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##
## 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 3.2)
project(AOM C CXX)

set(AOM_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
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set(AOM_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}")
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include("${AOM_ROOT}/build/cmake/aom_configure.cmake")
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include("${AOM_ROOT}/build/cmake/aom_optimization.cmake")
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include("${AOM_ROOT}/aom_dsp/aom_dsp.cmake")
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include("${AOM_ROOT}/av1/av1.cmake")
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include("${AOM_ROOT}/test/test.cmake")
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set(AOM_RTCD_SOURCES
    "${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")

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# TODO(tomfinegan): Use libwebm's cmake support directly.
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set(AOM_LIBWEBM_SOURCES
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    "${AOM_ROOT}/third_party/libwebm/common/hdr_util.cc"
    "${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")

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set(AOM_LIBYUV_SOURCES
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    "${AOM_ROOT}/third_party/libyuv/include/libyuv/basic_types.h"
    "${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")

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set(AOM_SOURCES
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    "${AOM_CONFIG_DIR}/aom_config.c"
    "${AOM_CONFIG_DIR}/aom_config.h"
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    "${AOM_ROOT}/aom/aom.h"
    "${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")

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set(AOM_MEM_SOURCES
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    "${AOM_ROOT}/aom_mem/aom_mem.c"
    "${AOM_ROOT}/aom_mem/aom_mem.h"
    "${AOM_ROOT}/aom_mem/include/aom_mem_intrnl.h")

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set(AOM_SCALE_SOURCES
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    "${AOM_ROOT}/aom_scale/aom_scale.h"
    "${AOM_ROOT}/aom_scale/generic/aom_scale.c"
    "${AOM_ROOT}/aom_scale/generic/gen_scalers.c"
    "${AOM_ROOT}/aom_scale/generic/yv12config.c"
    "${AOM_ROOT}/aom_scale/generic/yv12extend.c"
    "${AOM_ROOT}/aom_scale/yv12config.h")

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set(AOM_UTIL_SOURCES
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    "${AOM_ROOT}/aom_ports/aom_once.h"
    "${AOM_ROOT}/aom_ports/aom_timer.h"
    "${AOM_ROOT}/aom_ports/bitops.h"
    "${AOM_ROOT}/aom_ports/emmintrin_compat.h"
    "${AOM_ROOT}/aom_ports/mem.h"
    "${AOM_ROOT}/aom_ports/mem_ops.h"
    "${AOM_ROOT}/aom_ports/mem_ops_aligned.h"
    "${AOM_ROOT}/aom_ports/msvc.h"
    "${AOM_ROOT}/aom_ports/system_state.h"
    "${AOM_ROOT}/aom_util/aom_thread.c"
    "${AOM_ROOT}/aom_util/aom_thread.h"
    "${AOM_ROOT}/aom_util/endian_inl.h")


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set(AOM_COMMON_APP_UTIL_SOURCES
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    "${AOM_ROOT}/args.c"
    "${AOM_ROOT}/args.h"
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    "${AOM_ROOT}/md5_utils.c"
    "${AOM_ROOT}/md5_utils.h"
    "${AOM_ROOT}/tools_common.c"
    "${AOM_ROOT}/tools_common.h"
    "${AOM_ROOT}/video_common.h")

set(AOM_DECODER_APP_UTIL_SOURCES
    "${AOM_ROOT}/ivfdec.c"
    "${AOM_ROOT}/ivfdec.h"
    "${AOM_ROOT}/video_reader.c"
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    "${AOM_ROOT}/video_reader.h"
    "${AOM_ROOT}/y4menc.c"
    "${AOM_ROOT}/y4menc.h")
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set(AOM_ENCODER_APP_UTIL_SOURCES
    "${AOM_ROOT}/ivfenc.c"
    "${AOM_ROOT}/ivfenc.h"
    "${AOM_ROOT}/video_writer.c"
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    "${AOM_ROOT}/video_writer.h"
    "${AOM_ROOT}/warnings.c"
    "${AOM_ROOT}/warnings.h"
    "${AOM_ROOT}/y4minput.c"
    "${AOM_ROOT}/y4minput.h")

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_WEBM_DECODER_SOURCES
    "${AOM_ROOT}/webmdec.cc"
    "${AOM_ROOT}/webmdec.h")

set(AOM_WEBM_ENCODER_SOURCES
    "${AOM_ROOT}/webmenc.cc"
    "${AOM_ROOT}/webmenc.h")

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set(AOM_PORTS_ASM_X86 "${AOM_ROOT}/aom_ports/x86_abi_support.asm")
set(AOM_PORTS_ASM_MMX "${AOM_ROOT}/aom_ports/emms.asm")

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include_directories(${AOM_ROOT} ${AOM_CONFIG_DIR})
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# Targets
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# TODO(tomfinegan): Add support for enable/disable encoder/decoder.
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add_rtcd_build_step("${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")
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add_library(aom_rtcd OBJECT ${AOM_RTCD_SOURCES})
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add_library(aom_util OBJECT ${AOM_UTIL_SOURCES})
add_library(aom_encoder_stats OBJECT ${AOM_ENCODER_STATS_SOURCES})
add_library(aom_mem OBJECT ${AOM_MEM_SOURCES})
add_library(aom_scale OBJECT ${AOM_SCALE_SOURCES})
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add_library(aom
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            ${AOM_SOURCES}
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            $<TARGET_OBJECTS:aom_mem>
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            $<TARGET_OBJECTS:aom_rtcd>
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            $<TARGET_OBJECTS:aom_scale>
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            $<TARGET_OBJECTS:aom_util>)
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# List of object and static library targets.
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set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} aom_rtcd aom_util aom_encoder_stats
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    aom_mem aom_scale aom)
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#
# Assembly and intrinsic targets.
#
if ("${AOM_TARGET_CPU}" STREQUAL "x86" OR "${AOM_TARGET_CPU}" STREQUAL "x86_64")
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  add_asm_library("aom_util_x86" "AOM_PORTS_ASM_X86" "aom")
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endif ()

if (HAVE_MMX)
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  add_asm_library("aom_util_mmx" "AOM_PORTS_ASM_MMX" "aom")
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endif ()

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setup_aom_dsp_targets()
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setup_av1_targets()
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# 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 ()
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#
# Application and application support targets.
#
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add_library(aom_common_app_util OBJECT ${AOM_COMMON_APP_UTIL_SOURCES})
add_library(aom_decoder_app_util OBJECT ${AOM_DECODER_APP_UTIL_SOURCES})
add_library(aom_encoder_app_util OBJECT ${AOM_ENCODER_APP_UTIL_SOURCES})

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>)

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add_executable(aomdec
               "${AOM_ROOT}/aomdec.c"
               $<TARGET_OBJECTS:aom_common_app_util>
               $<TARGET_OBJECTS:aom_decoder_app_util>)

add_executable(aomenc
               "${AOM_ROOT}/aomenc.c"
               $<TARGET_OBJECTS:aom_common_app_util>
               $<TARGET_OBJECTS:aom_encoder_app_util>
               $<TARGET_OBJECTS:aom_encoder_stats>)

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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(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_decoder
               "${AOM_ROOT}/examples/simple_decoder.c"
               $<TARGET_OBJECTS:aom_common_app_util>
               $<TARGET_OBJECTS:aom_decoder_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>)
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# List of app targets.
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set(AOM_APP_TARGETS ${AOM_APP_TARGETS} aom_cx_set_ref aomdec aomenc
    decode_to_md5 decode_with_drops lossless_encoder set_maps simple_decoder
    simple_encoder twopass_encoder)
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foreach (aom_app ${AOM_APP_TARGETS})
  target_link_libraries(${aom_app} PUBLIC aom)
endforeach ()
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if (CONFIG_LIBYUV)
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  add_library(yuv OBJECT ${AOM_LIBYUV_SOURCES})
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  if (NOT MSVC)
    target_compile_options(yuv PRIVATE -Wno-unused-parameter)
  endif ()
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  include_directories("${AOM_ROOT}/third_party/libyuv/include")

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

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if (CONFIG_WEBM_IO)
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  add_library(webm OBJECT ${AOM_LIBWEBM_SOURCES})
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  include_directories("${AOM_ROOT}/third_party/libwebm")
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  if (NOT MSVC)
    target_compile_options(webm PRIVATE -Wno-shadow)
  endif ()
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  # Add to existing targets.
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  target_sources(aom_decoder_app_util PUBLIC ${AOM_WEBM_DECODER_SOURCES})
  target_sources(aom_encoder_app_util PUBLIC ${AOM_WEBM_ENCODER_SOURCES})
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  foreach (aom_app ${AOM_APP_TARGETS})
    target_sources(${aom_app} PUBLIC $<TARGET_OBJECTS:webm>)
    set_property(TARGET ${aom_app} PROPERTY LINKER_LANGUAGE CXX)
   endforeach ()
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endif ()
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if (CONFIG_UNIT_TESTS)
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  # Create test_libaom target and the targets it depends on.
  setup_aom_test_targets()
endif ()
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if (XCODE)
  if (CONFIG_LIBYUV OR CONFIG_WEBM_IO)
    # The Xcode generator does not obey LINKER_LANGUAGE. Because of the issue
    # what looks like a C++ file needs to be in any target that Xcode will link
    # when the target contains a C++ dependency.
    # Without this Xcode will try to link with the C linker, which always ends
    # badly when a dependency actually includes C++.
    # Note: LINKER_LANGUAGE is explicitly set to C++ for all targets touched
    # here, it really is the Xcode generator's fault, or just a deficiency in
    # Xcode itself.
    set(XCODE_DUMMY_CXX_FILE "${AOM_CONFIG_DIR}/dummy.cc")
    file(WRITE "${XCODE_DUMMY_CXX_FILE}"
         "// Xcode needs a C++ file to link, ignore this file.")
    foreach (aom_app ${AOM_APP_TARGETS})
      target_sources(${aom_app} PUBLIC "${XCODE_DUMMY_CXX_FILE}")
    endforeach ()
  endif ()
endif ()