>>> zxing-cpp e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 Downloading --2020-01-11 02:32:52-- https://github.com/glassechidna/zxing-cpp/archive/e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10.tar.gz Resolving github.com (github.com)... 140.82.118.3 Connecting to github.com (github.com)|140.82.118.3|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://codeload.github.com/glassechidna/zxing-cpp/tar.gz/e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 [following] --2020-01-11 02:32:52-- https://codeload.github.com/glassechidna/zxing-cpp/tar.gz/e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 Resolving codeload.github.com (codeload.github.com)... 192.30.253.121 Connecting to codeload.github.com (codeload.github.com)|192.30.253.121|:443... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [application/x-gzip] Saving to: '/home/buildroot/autobuild/run/instance-3/output-1/build/.zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10.tar.gz.Z0eXqO/output' 0K .......... .......... .......... .......... .......... 294K 50K .......... .......... .......... .......... .......... 588K 100K .......... .......... .......... .......... .......... 76.9M 150K .......... .......... .......... .......... .......... 1.30M 200K .......... .......... .......... .......... .......... 1.03M 250K .......... .......... .......... .......... .......... 83.3M 300K ..... 62.2M=0.3s 2020-01-11 02:32:53 (894 KB/s) - '/home/buildroot/autobuild/run/instance-3/output-1/build/.zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10.tar.gz.Z0eXqO/output' saved [312576] zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10.tar.gz: OK (sha256: 4c2b8601d0e3377143c1a0bbab220146af9fa5a5e29e8fbef42862fe3d38f8e6) >>> zxing-cpp e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 Extracting gzip -d -c /home/buildroot/autobuild/run/instance-3/dl/zxing-cpp/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 -xf - >>> zxing-cpp e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 Patching >>> zxing-cpp e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 Configuring (mkdir -p /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10//buildroot-build && cd /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10//buildroot-build && rm -f CMakeCache.txt && PATH="/home/buildroot/autobuild/run/instance-3/output-1/host/bin:/home/buildroot/autobuild/run/instance-3/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" /home/buildroot/autobuild/run/instance-3/output-1/host/bin/cmake /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/ -DCMAKE_TOOLCHAIN_FILE="/home/buildroot/autobuild/run/instance-3/output-1/host/share/buildroot/toolchainfile.cmake" -DCMAKE_INSTALL_PREFIX="/usr" -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON ) -- The C compiler identification is GNU 9.2.1 -- The CXX compiler identification is GNU 9.2.1 -- Check for working C compiler: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -- Check for working C compiler: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-gcc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-g++ -- Check for working CXX compiler: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/arc-buildroot-linux-gnu-g++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- Looking for iconv -- Looking for iconv - found -- Configuring done -- Generating done CMake Warning: Manually-specified variables were not used by the project: BUILD_DOC BUILD_DOCS BUILD_EXAMPLE BUILD_EXAMPLES BUILD_TEST BUILD_TESTS -- Build files have been written to: /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build >>> zxing-cpp e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10 Building PATH="/home/buildroot/autobuild/run/instance-3/output-1/host/bin:/home/buildroot/autobuild/run/instance-3/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" /usr/bin/make -j4 libzxing zxing -C /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10//buildroot-build make[1]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[2]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[3]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[4]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' Scanning dependencies of target libzxing make[4]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[4]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' [ 0%] Building CXX object CMakeFiles/libzxing.dir/core/src/bigint/BigInteger.cc.o [ 1%] Building CXX object CMakeFiles/libzxing.dir/core/src/bigint/BigIntegerAlgorithms.cc.o [ 2%] Building CXX object CMakeFiles/libzxing.dir/core/src/bigint/BigIntegerUtils.cc.o [ 3%] Building CXX object CMakeFiles/libzxing.dir/core/src/bigint/BigUnsigned.cc.o [ 4%] Building CXX object CMakeFiles/libzxing.dir/core/src/bigint/BigUnsignedInABase.cc.o [ 5%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/aztec/AztecDetectorResult.cpp.o [ 6%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/aztec/AztecReader.cpp.o [ 7%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/aztec/decoder/Decoder.cpp.o [ 8%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/aztec/detector/Detector.cpp.o [ 9%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/BarcodeFormat.cpp.o [ 10%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/Binarizer.cpp.o [ 11%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/BinaryBitmap.cpp.o [ 11%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/ChecksumException.cpp.o [ 12%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/BitArray.cpp.o [ 13%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/BitArrayIO.cpp.o [ 15%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/BitMatrix.cpp.o [ 16%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/BitSource.cpp.o [ 17%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/CharacterSetECI.cpp.o [ 18%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/DecoderResult.cpp.o [ 19%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/detector/MonochromeRectangleDetector.cpp.o [ 20%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/detector/WhiteRectangleDetector.cpp.o [ 21%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/DetectorResult.cpp.o [ 22%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/GlobalHistogramBinarizer.cpp.o [ 23%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/GreyscaleLuminanceSource.cpp.o [ 23%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/GreyscaleRotatedLuminanceSource.cpp.o [ 24%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/GridSampler.cpp.o [ 25%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/HybridBinarizer.cpp.o [ 26%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/IllegalArgumentException.cpp.o [ 27%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/PerspectiveTransform.cpp.o [ 29%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/reedsolomon/GenericGF.cpp.o [ 30%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/reedsolomon/GenericGFPoly.cpp.o [ 31%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/reedsolomon/ReedSolomonDecoder.cpp.o [ 32%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/reedsolomon/ReedSolomonException.cpp.o [ 33%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/Str.cpp.o [ 34%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/common/StringUtils.cpp.o [ 35%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/DataMatrixReader.cpp.o [ 35%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/decoder/BitMatrixParser.cpp.o [ 36%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/decoder/DataBlock.cpp.o [ 37%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/decoder/DecodedBitStreamParser.cpp.o [ 38%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/decoder/Decoder.cpp.o [ 39%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/detector/CornerPoint.cpp.o [ 40%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/detector/Detector.cpp.o [ 41%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/detector/DetectorException.cpp.o [ 43%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/datamatrix/Version.cpp.o [ 44%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/DecodeHints.cpp.o [ 45%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/Exception.cpp.o [ 46%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/FormatException.cpp.o [ 47%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/InvertedLuminanceSource.cpp.o [ 47%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/LuminanceSource.cpp.o [ 48%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/multi/ByQuadrantReader.cpp.o [ 49%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/multi/GenericMultipleBarcodeReader.cpp.o [ 50%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/multi/MultipleBarcodeReader.cpp.o [ 51%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/multi/qrcode/detector/MultiDetector.cpp.o [ 52%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/multi/qrcode/detector/MultiFinderPatternFinder.cpp.o [ 53%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/multi/qrcode/QRCodeMultiReader.cpp.o [ 54%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/MultiFormatReader.cpp.o [ 55%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/CodaBarReader.cpp.o [ 56%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/Code128Reader.cpp.o [ 58%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/Code39Reader.cpp.o [ 59%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/Code93Reader.cpp.o [ 59%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/EAN13Reader.cpp.o [ 60%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/EAN8Reader.cpp.o [ 61%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/ITFReader.cpp.o [ 62%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/MultiFormatOneDReader.cpp.o [ 63%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/MultiFormatUPCEANReader.cpp.o [ 64%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/OneDReader.cpp.o [ 65%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/OneDResultPoint.cpp.o [ 66%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/UPCAReader.cpp.o [ 67%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/UPCEANReader.cpp.o [ 68%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/oned/UPCEReader.cpp.o [ 69%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/decoder/BitMatrixParser.cpp.o [ 70%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/decoder/DecodedBitStreamParser.cpp.o [ 70%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/decoder/Decoder.cpp.o [ 72%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/decoder/ec/ErrorCorrection.cpp.o [ 73%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/decoder/ec/ModulusGF.cpp.o [ 74%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/decoder/ec/ModulusPoly.cpp.o [ 75%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/detector/Detector.cpp.o [ 76%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/detector/LinesSampler.cpp.o [ 77%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/pdf417/PDF417Reader.cpp.o [ 78%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/decoder/BitMatrixParser.cpp.o [ 79%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/decoder/DataBlock.cpp.o [ 80%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/decoder/DataMask.cpp.o [ 81%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/decoder/DecodedBitStreamParser.cpp.o [ 82%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/decoder/Decoder.cpp.o [ 82%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/decoder/Mode.cpp.o [ 83%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/detector/AlignmentPattern.cpp.o [ 84%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/detector/AlignmentPatternFinder.cpp.o [ 86%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/detector/Detector.cpp.o [ 87%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/detector/FinderPattern.cpp.o [ 88%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/detector/FinderPatternFinder.cpp.o [ 89%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/detector/FinderPatternInfo.cpp.o [ 90%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/ErrorCorrectionLevel.cpp.o [ 91%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/FormatInformation.cpp.o [ 92%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/QRCodeReader.cpp.o [ 93%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/qrcode/Version.cpp.o [ 94%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/Reader.cpp.o [ 94%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/Result.cpp.o [ 95%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/ResultIO.cpp.o [ 96%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/ResultPoint.cpp.o [ 97%] Building CXX object CMakeFiles/libzxing.dir/core/src/zxing/ResultPointCallback.cpp.o /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/core/src/zxing/ResultIO.cpp:27:10: warning: 'std::ostream& zxing::operator<<(std::ostream&, zxing::Result&)' has not been declared within 'zxing' 27 | ostream& zxing::operator<<(ostream &out, Result& result) { | ^~~~~ In file included from /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/core/src/zxing/ResultIO.cpp:22: /home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/core/src/zxing/Result.h:51:24: note: only here as a 'friend' 51 | friend std::ostream& operator<<(std::ostream &out, Result& result); | ^~~~~~~~ [ 98%] Building CXX object CMakeFiles/libzxing.dir/opencv/src/zxing/MatSource.cpp.o [100%] Linking CXX shared library libzxing.so make[4]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' [100%] Built target libzxing make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[2]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[3]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[4]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[4]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' [ 94%] Built target libzxing make[4]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' Scanning dependencies of target zxing make[4]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[4]: Entering directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' [ 95%] Building CXX object CMakeFiles/zxing.dir/cli/src/ImageReaderSource.cpp.o [ 96%] Building CXX object CMakeFiles/zxing.dir/cli/src/jpgd.cpp.o [ 97%] Building CXX object CMakeFiles/zxing.dir/cli/src/lodepng.cpp.o [ 98%] Building CXX object CMakeFiles/zxing.dir/cli/src/main.cpp.o [100%] Linking CXX executable zxing /home/buildroot/autobuild/run/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/9.2.1/../../../../arc-buildroot-linux-gnu/bin/ld: libzxing.so: undefined reference to `cv::fastFree(void*)' /home/buildroot/autobuild/run/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/9.2.1/../../../../arc-buildroot-linux-gnu/bin/ld: libzxing.so: undefined reference to `cv::_OutputArray::_OutputArray(cv::Mat&)' /home/buildroot/autobuild/run/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/9.2.1/../../../../arc-buildroot-linux-gnu/bin/ld: libzxing.so: undefined reference to `cv::Mat::copySize(cv::Mat const&)' /home/buildroot/autobuild/run/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/9.2.1/../../../../arc-buildroot-linux-gnu/bin/ld: libzxing.so: undefined reference to `cv::Mat::copyTo(cv::_OutputArray const&) const' /home/buildroot/autobuild/run/instance-3/output-1/host/lib/gcc/arc-buildroot-linux-gnu/9.2.1/../../../../arc-buildroot-linux-gnu/bin/ld: libzxing.so: undefined reference to `cv::Mat::deallocate()' collect2: error: ld returned 1 exit status make[4]: *** [zxing] Error 1 make[4]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[3]: *** [CMakeFiles/zxing.dir/all] Error 2 make[3]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[2]: *** [CMakeFiles/zxing.dir/rule] Error 2 make[2]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make[1]: *** [zxing] Error 2 make[1]: Leaving directory `/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/buildroot-build' make: *** [/home/buildroot/autobuild/run/instance-3/output-1/build/zxing-cpp-e0e40ddec63f38405aca5c8c1ff60b85ec8b1f10/.stamp_built] Error 2 make: Leaving directory `/home/buildroot/autobuild/run/instance-3/buildroot'