add_custom_target(
    ffmpeg
    # DEPENDS ${EXTERNAL_LIBS_OUTPUT_PATH}/libgo.a
    # COMMAND mkdir ${GOAHEAD_UPLOAD_TMP_PATH}
    # COMMAND cp ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/modify/http.c ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/GoAhead/src
    # COMMAND touch ${EXTERNAL_SOURCE_PATH}/goahead-5.2.0/GoAhead/src/http.c
    COMMAND test -f ${EXTERNAL_SOURCE_PATH}/ffmpeg/Makefile || tar -xf ffmpeg_6.1.1.orig.tar.xz
    COMMAND cd ffmpeg-6.1.1 && ./configure --enable-cross-compile --target-os=linux --arch=arm64
    --cc=${CMAKE_C_COMPILER}
    --cxx=${CMAKE_CXX_COMPILER}
    --prefix=${EXTERNAL_LIBS_OUTPUT_PATH}/ffmpeg
    --disable-asm --enable-parsers --disable-decoders --enable-decoder=h264
    --disable-debug --enable-ffmpeg --enable-shared --enable-static --disable-stripping --disable-doc
    --enable-gpl --enable-nonfree --enable-version3 --enable-small
    --disable-mipsdsp --disable-mipsdspr2
    --disable-encoders
    --disable-muxers --enable-muxer=mov --enable-muxer=mp4
    --disable-decoders --enable-decoder=aac
    --disable-filters
    --disable-demuxers --enable-demuxer=mov
    --disable-parsers
    --disable-protocols --enable-protocol=file
    --disable-bsfs --enable-bsf=aac_adtstoasc --enable-bsf=h264_mp4toannexb --enable-bsf=hevc_mp4toannexb
    --disable-indevs
    --disable-outdevs --disable-ffprobe --disable-ffmpeg --disable-ffplay --disable-debug
    COMMAND cd ffmpeg-6.1.1 && make
    COMMAND cd ffmpeg-6.1.1 && make install
    WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/ffmpeg/
)

add_custom_target(
  remove_ffmpeg_source_files
  COMMAND rm -rf ffmpeg-6.1.1
  WORKING_DIRECTORY ${EXTERNAL_SOURCE_PATH}/ffmpeg/
)
 
# 将clean目标依赖于我们自定义的clean_script目标
add_dependencies(sdk_clean remove_ffmpeg_source_files)