>>> ffmpeg 4.2.2 Downloading --2020-03-23 20:57:55-- http://ffmpeg.org/releases/ffmpeg-4.2.2.tar.xz Resolving ffmpeg.org (ffmpeg.org)... 79.124.17.100 Connecting to ffmpeg.org (ffmpeg.org)|79.124.17.100|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 9094140 (8.7M) [application/x-xz] Saving to: '/home/buildroot/autobuild/instance-2/output-1/build/.ffmpeg-4.2.2.tar.xz.QmYpZ8/output' 0K .......... .......... .......... .......... .......... 0% 127K 70s 50K .......... .......... .......... .......... .......... 1% 253K 52s 100K .......... .......... .......... .......... .......... 1% 36.8M 35s 150K .......... .......... .......... .......... .......... 2% 108M 26s 200K .......... .......... .......... .......... .......... 2% 253K 27s 250K .......... .......... .......... .......... .......... 3% 57.1M 23s 300K .......... .......... .......... .......... .......... 3% 108M 19s 350K .......... .......... .......... .......... .......... 4% 109M 17s 400K .......... .......... .......... .......... .......... 5% 255K 19s 450K .......... .......... .......... .......... .......... 5% 50.8M 17s 500K .......... .......... .......... .......... .......... 6% 93.4M 15s 550K .......... 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4.2.2 Configuring (cd /home/buildroot/autobuild/instance-2/output-1/build/ffmpeg-4.2.2/ && rm -rf config.cache && PATH="/home/buildroot/autobuild/instance-2/output-1/host/bin:/home/buildroot/autobuild/instance-2/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/home/buildroot/.local/bin:/home/buildroot/.local/bin" AR="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ar" AS="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-as" LD="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ld" NM="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-nm" CC="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc" GCC="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gcc" CPP="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-cpp" CXX="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-g++" FC="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gfortran" F77="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-gfortran" RANLIB="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ranlib" READELF="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-readelf" STRIP="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-strip" OBJCOPY="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-objcopy" OBJDUMP="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/usr/bin/gcc" GCC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/buildroot/autobuild/instance-2/output-1/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/buildroot/autobuild/instance-2/output-1/host/include" LDFLAGS_FOR_BUILD="-L/home/buildroot/autobuild/instance-2/output-1/host/lib -Wl,-rpath,/home/buildroot/autobuild/instance-2/output-1/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-as" DEFAULT_LINKER="/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=2" CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=2" LDFLAGS="" FCFLAGS=" -Os " FFLAGS=" -Os " PKG_CONFIG="/home/buildroot/autobuild/instance-2/output-1/host/bin/pkg-config" STAGING_DIR="/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-gnueabi/sysroot" INTLTOOL_PERL=/usr/bin/perl ac_cv_lbl_unaligned_fail=yes ac_cv_func_mmap_fixed_mapped=yes ac_cv_func_memcmp_working=yes ac_cv_have_decl_malloc=yes gl_cv_func_malloc_0_nonnull=yes ac_cv_func_malloc_0_nonnull=yes ac_cv_func_calloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes lt_cv_sys_lib_search_path_spec="" ac_cv_c_bigendian=no CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=2" ./configure --enable-cross-compile --cross-prefix=/home/buildroot/autobuild/instance-2/output-1/host/bin/arm-none-linux-gnueabi- --sysroot=/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-gnueabi/sysroot --host-cc="/usr/bin/gcc" --arch="arm" --target-os="linux" --disable-stripping --pkg-config="/home/buildroot/autobuild/instance-2/output-1/host/bin/pkg-config" --disable-static --enable-shared --prefix=/usr --enable-avfilter --disable-version3 --enable-logging --enable-optimizations --disable-extra-warnings --enable-avdevice --enable-avcodec --enable-avformat --enable-network --disable-gray --enable-swscale-alpha --disable-small --enable-dct --enable-fft --enable-mdct --enable-rdft --disable-crystalhd --disable-dxva2 --enable-runtime-cpudetect --disable-hardcoded-tables --disable-mipsdsp --disable-mipsdspr2 --disable-msa --enable-hwaccels --disable-cuda --disable-cuvid --disable-nvenc --disable-avisynth --disable-frei0r --disable-libopencore-amrnb --disable-libopencore-amrwb --disable-libdc1394 --disable-libgsm --disable-libilbc --disable-libvo-amrwbenc --disable-symver --disable-doc --disable-gpl --disable-nonfree --disable-ffmpeg --disable-ffplay --enable-avresample --enable-ffprobe --disable-postproc --enable-swscale --enable-indevs --enable-alsa --disable-outdevs --enable-pthreads --enable-zlib --enable-bzlib --disable-libfdk-aac --disable-libcdio --enable-gnutls --disable-openssl --disable-libdrm --disable-libopenh264 --enable-libvorbis --enable-muxer=ogg --enable-encoder=libvorbis --disable-vaapi --disable-vdpau --disable-mmal --disable-omx --disable-omx-rpi --enable-libopencv --disable-libopus --disable-libvpx --disable-libass --enable-libbluray --disable-libmfx --disable-librtmp --disable-libmp3lame --disable-libmodplug --enable-libspeex --disable-libtheora --enable-libwavpack --disable-iconv --enable-libfreetype --enable-fontconfig --disable-libopenjpeg --disable-libx264 --disable-libx265 --disable-libdav1d --disable-x86asm --disable-mmx --disable-sse --disable-sse2 --disable-sse3 --disable-ssse3 --disable-sse4 --disable-sse42 --disable-avx --disable-avx2 --disable-armv6 --disable-armv6t2 --disable-vfp --disable-neon --disable-altivec --extra-libs=-latomic --enable-pic --cpu="arm926ej-s" ) ERROR: opencv not found using pkg-config If you think configure made a mistake, make sure you are using the latest version from Git. If the latest version fails, report the problem to the ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net. Include the log file "ffbuild/config.log" produced by configure as this will help solve the problem. package/pkg-generic.mk:254: recipe for target '/home/buildroot/autobuild/instance-2/output-1/build/ffmpeg-4.2.2/.stamp_configured' failed make: *** [/home/buildroot/autobuild/instance-2/output-1/build/ffmpeg-4.2.2/.stamp_configured] Error 1 make: Leaving directory '/home/buildroot/autobuild/instance-2/buildroot'