>>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Extracting gzip -d -c /home/naourr/work/instance-1/dl/libcamera/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb.tar.gz | /home/naourr/work/instance-1/output-1/host/bin/tar --strip-components=1 -C /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb -xf - >>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Patching >>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Configuring rm -rf /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build mkdir -p /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build sed -e 's%@TARGET_CROSS@%/home/naourr/work/instance-1/output-1/host/bin/mips64el-linux-%g' -e 's%@TARGET_ARCH@%mips64%g' -e 's%@TARGET_CPU@%%g' -e 's%@TARGET_ENDIAN@%little%g' -e 's%@TARGET_CFLAGS@%"-D_LARGEFILE_SOURCE", "-D_LARGEFILE64_SOURCE", "-D_FILE_OFFSET_BITS=64", "-Os", "-D_FORTIFY_SOURCE=2"%g' -e 's%@TARGET_LDFLAGS@%%g' -e 's%@TARGET_CXXFLAGS@%"-D_LARGEFILE_SOURCE", "-D_LARGEFILE64_SOURCE", "-D_FILE_OFFSET_BITS=64", "-Os", "-D_FORTIFY_SOURCE=2"%g' -e 's%@HOST_DIR@%/home/naourr/work/instance-1/output-1/host%g' -e 's%@STAGING_DIR@%/home/naourr/work/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot%g' -e 's%@STATIC@%false%g' -e "/^\[binaries\]$/s:$::" -e "/^\[properties\]$/s:$::" package/meson/cross-compilation.conf.in > /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build/cross-compilation.conf PATH="/home/naourr/work/instance-1/output-1/host/bin:/home/naourr/work/instance-1/output-1/host/sbin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/naourr/bin:/home/naourr/git/git-wrappers:/home/naourr/.local/bin:/home/naourr/bin" PYTHONNOUSERSITE=y /home/naourr/work/instance-1/output-1/host/bin/meson --prefix=/usr --libdir=lib --default-library=shared --buildtype=release --cross-file=/home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build/cross-compilation.conf -Dbuild.pkg_config_path=/home/naourr/work/instance-1/output-1/host/lib/pkgconfig -Dandroid=false -Ddocumentation=false -Dtest=false -Dv4l2=true -Dpipelines=raspberrypi,vimc /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb/ /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build The Meson build system Version: 0.54.2 Source dir: /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb Build dir: /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb/build Build type: cross build Project name: libcamera Project version: 0.0.0 C compiler for the build machine: cc (gcc 10.1.1 "cc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1)") C linker for the build machine: cc ld.bfd 2.34-3 C++ compiler for the build machine: c++ (gcc 10.1.1 "c++ (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1)") C++ linker for the build machine: c++ ld.bfd 2.34-3 C compiler for the host machine: /home/naourr/work/instance-1/output-1/host/bin/mips64el-linux-gcc (gcc 8.3.0 "mips64el-linux-gcc.br_real (Buildroot 2020.02) 8.3.0") C linker for the host machine: /home/naourr/work/instance-1/output-1/host/bin/mips64el-linux-gcc ld.bfd 2.32 C++ compiler for the host machine: /home/naourr/work/instance-1/output-1/host/bin/mips64el-linux-g++ (gcc 8.3.0 "mips64el-linux-g++.br_real (Buildroot 2020.02) 8.3.0") C++ linker for the host machine: /home/naourr/work/instance-1/output-1/host/bin/mips64el-linux-g++ ld.bfd 2.32 Build machine cpu family: x86_64 Build machine cpu: x86_64 Host machine cpu family: mips64 Host machine cpu: Target machine cpu family: mips64 Target machine cpu: Header has symbol "backtrace" : YES Header has symbol "secure_getenv" : YES Compiler for C supports arguments -Wno-c99-designator -Wc99-designator: NO Configuring version.h using configuration Program openssl found: YES (/home/naourr/work/instance-1/output-1/host/bin/openssl) Library atomic found: YES Library dl found: YES Library gnutls found: YES Found pkg-config: /home/naourr/work/instance-1/output-1/host/bin/pkgconf (1.6.1) Found CMake: NO Run-time dependency libudev found: NO (tried pkgconfig and cmake) Run-time dependency threads found: YES Run-time dependency Boost found: YES 1.73.0 (/home/naourr/work/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr) Program ipa-sign-install.sh found: YES (/home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb/src/ipa/ipa-sign-install.sh) WARNING: rcc dependencies will not work reliably until this upstream issue is fixed: https://bugreports.qt.io/browse/QTBUG-45460 Run-time dependency qt5 (modules: Core, Gui, Widgets) found: YES 5.15.0 (pkg-config) Run-time dependency libtiff-4 found: NO (tried pkgconfig and cmake) Detecting Qt5 tools moc: YES (/home/naourr/work/instance-1/output-1/host/bin/moc, 5.15.0) uic: YES (/home/naourr/work/instance-1/output-1/host/bin/uic, 5.15.0) rcc: YES (/home/naourr/work/instance-1/output-1/host/bin/rcc, 5.15.0) lrelease: YES (/home/naourr/work/instance-1/output-1/host/bin/lrelease, 5.15.0) Run-time dependency glib-2.0 found: YES 2.64.3 Run-time dependency gstreamer-video-1.0 found: NO (tried pkgconfig and cmake) Run-time dependency gstreamer-allocators-1.0 found: NO (tried pkgconfig and cmake) Configuring config.h using configuration Build targets in project: 20 Found ninja-1.10.0 at /home/naourr/work/instance-1/output-1/host/bin/ninja >>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Building PATH="/home/naourr/work/instance-1/output-1/host/bin:/home/naourr/work/instance-1/output-1/host/sbin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/naourr/bin:/home/naourr/git/git-wrappers:/home/naourr/.local/bin:/home/naourr/bin" PYTHONNOUSERSITE=y /home/naourr/work/instance-1/output-1/host/bin/ninja -j4 -C /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build ninja: Entering directory `/home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build' [1/126] Generating gen-header with a custom command [2/126] Generating control_ids_h with a custom command [3/126] Generating property_ids_h with a custom command [4/126] Generating ipa-priv-key with a custom command ...+++++ ..+++++ [5/126] Generating control_ids_cpp with a custom command [6/126] Generating property_ids_cpp with a custom command [7/126] Generating ipa_pub_key_cpp with a custom command writing RSA key [8/126] Generating version.cpp with a custom command [9/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._control_ids.cpp.o' [10/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._version.cpp.o' [11/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._property_ids.cpp.o' [12/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._ipa_pub_key.cpp.o' [13/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/byte_stream_buffer.cpp.o' [14/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/buffer.cpp.o' [15/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/bound_method.cpp.o' [16/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera_controls.cpp.o' [17/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera_manager.cpp.o' [18/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera.cpp.o' [19/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/control_validator.cpp.o' [20/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/controls.cpp.o' [21/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/device_enumerator_sysfs.cpp.o' [22/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/control_serializer.cpp.o' [23/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/device_enumerator.cpp.o' [24/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/event_dispatcher.cpp.o' [25/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/event_dispatcher_poll.cpp.o' [26/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/event_notifier.cpp.o' [27/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/file.cpp.o' [28/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/file_descriptor.cpp.o' [29/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera_sensor.cpp.o' [30/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/geometry.cpp.o' [31/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_controls.cpp.o' [32/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/formats.cpp.o' [33/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/framebuffer_allocator.cpp.o' [34/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_interface.cpp.o' [35/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_context_wrapper.cpp.o' [36/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_manager.cpp.o' [37/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_module.cpp.o' [38/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_proxy.cpp.o' [39/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipc_unixsocket.cpp.o' [40/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/media_object.cpp.o' [41/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/media_device.cpp.o' [42/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/message.cpp.o' [43/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/log.cpp.o' [44/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pixel_format.cpp.o' [45/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/object.cpp.o' [46/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pub_key.cpp.o' [47/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/process.cpp.o' [48/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/request.cpp.o' [49/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/semaphore.cpp.o' [50/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/signal.cpp.o' [51/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pipeline_handler.cpp.o' [52/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/thread.cpp.o' [53/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/stream.cpp.o' [54/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/utils.cpp.o' [55/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/timer.cpp.o' [56/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/v4l2_controls.cpp.o' [57/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/v4l2_pixelformat.cpp.o' [58/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/v4l2_device.cpp.o' [59/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/v4l2_subdevice.cpp.o' [60/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pipeline_raspberrypi_staggered_ctrl.cpp.o' [61/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/v4l2_videodevice.cpp.o' [62/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/proxy_ipa_proxy_linux.cpp.o' [63/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pipeline_vimc_vimc.cpp.o' [64/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/proxy_ipa_proxy_thread.cpp.o' [65/126] Compiling C++ object 'src/libcamera/proxy/worker/c1feb93@@ipa_proxy_linux@exe/ipa_proxy_linux_worker.cpp.o' [66/126] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pipeline_raspberrypi_raspberrypi.cpp.o' [67/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/md_parser.cpp.o' [68/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/md_parser_rpi.cpp.o' [69/126] Linking target src/libcamera/libcamera.so [70/126] Generating symbol file 'src/libcamera/4ab8042@@camera@sha/libcamera.so.symbols' [71/126] Compiling C++ object 'src/ipa/libipa/9f50984@@ipa@sta/ipa_interface_wrapper.cpp.o' [72/126] Linking static target src/ipa/libipa/libipa.a [73/126] Linking target src/libcamera/proxy/worker/ipa_proxy_linux [74/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/cam_helper.cpp.o' [75/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/cam_helper_ov5647.cpp.o' [76/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/cam_helper_imx219.cpp.o' [77/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/cam_helper_imx477.cpp.o' [78/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_histogram.cpp.o' [79/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_algorithm.cpp.o' [80/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_alsc.cpp.o' [81/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_controller.cpp.o' In file included from /home/naourr/work/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/boost/property_tree/json_parser/detail/parser.hpp:7, from /home/naourr/work/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/boost/property_tree/json_parser/detail/read.hpp:13, from /home/naourr/work/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/boost/property_tree/json_parser.hpp:16, from ../src/ipa/raspberrypi/controller/controller.cpp:11: /home/naourr/work/instance-1/output-1/host/mips64el-buildroot-linux-gnu/sysroot/usr/include/boost/bind.hpp:41:1: note: #pragma message: The practice of declaring the Bind placeholders (_1, _2, ...) in the global namespace is deprecated. Please use + using namespace boost::placeholders, or define BOOST_BIND_GLOBAL_PLACEHOLDERS to retain the current behavior. ) ^ [82/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/raspberrypi.cpp.o' [83/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_awb.cpp.o' [84/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_sharpen.cpp.o' [85/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_black_level.cpp.o' [86/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_geq.cpp.o' [87/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_noise.cpp.o' [88/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_lux.cpp.o' [89/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_dpc.cpp.o' [90/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_agc.cpp.o' [91/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_ccm.cpp.o' [92/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_contrast.cpp.o' [93/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_rpi_sdn.cpp.o' [94/126] Compiling C++ object 'src/cam/351722a@@cam@exe/buffer_writer.cpp.o' [95/126] Compiling C++ object 'src/ipa/vimc/94aa7b3@@ipa_vimc@sha/vimc.cpp.o' [96/126] Linking target src/ipa/vimc/ipa_vimc.so [97/126] Generating ipa_vimc.so.sign with a custom command [98/126] Compiling C++ object 'src/ipa/raspberrypi/6dc6c64@@ipa_rpi@sha/controller_pwl.cpp.o' [99/126] Linking target src/ipa/raspberrypi/ipa_rpi.so [100/126] Generating ipa_rpi.so.sign with a custom command [101/126] Compiling C++ object 'src/cam/351722a@@cam@exe/event_loop.cpp.o' [102/126] Compiling C++ object 'src/cam/351722a@@cam@exe/capture.cpp.o' [103/126] Generating qt5-feathericons_qrc with a custom command [104/126] Generating 'src/qcam/9916d8b@@qcam@exe/moc_main_window.cpp'. [105/126] Compiling C++ object 'src/cam/351722a@@cam@exe/stream_options.cpp.o' [106/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/meson-generated_.._qt5-feathericons_qrc.cpp.o' [107/126] Generating 'src/qcam/9916d8b@@qcam@exe/moc_viewfinder.cpp'. [108/126] Compiling C++ object 'src/cam/351722a@@cam@exe/main.cpp.o' [109/126] Compiling C++ object 'src/cam/351722a@@cam@exe/options.cpp.o' [110/126] Linking target src/cam/cam [111/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/meson-generated_moc_viewfinder.cpp.o' [112/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/.._cam_stream_options.cpp.o' [113/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/meson-generated_moc_main_window.cpp.o' [114/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/.._cam_options.cpp.o' [115/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/format_converter.cpp.o' [116/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/main.cpp.o' [117/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/viewfinder.cpp.o' [118/126] Compiling C++ object 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera.cpp.o' FAILED: src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera.cpp.o /home/naourr/work/instance-1/output-1/host/bin/mips64el-linux-g++ -Isrc/v4l2/2092569@@v4l2-compat@sha -Isrc/v4l2 -I../src/v4l2 -Iinclude -I../include -Iinclude/libcamera -fdiagnostics-color=always -pipe -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Werror -std=c++14 -O3 -Wno-unused-parameter -include config.h -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=2 -fPIC -U_FILE_OFFSET_BITS -D_FILE_OFFSET_BITS=32 -fvisibility=hidden -MD -MQ 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera.cpp.o' -MF 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera.cpp.o.d' -o 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera.cpp.o' -c ../src/v4l2/v4l2_camera.cpp ../src/v4l2/v4l2_camera.cpp: In member function 'void V4L2Camera::requestComplete(libcamera::Request*)': ../src/v4l2/v4l2_camera.cpp:94:9: error: ignoring return value of 'ssize_t write(int, const void*, size_t)', declared with attribute warn_unused_result [-Werror=unused-result] ::write(efd_, &data, sizeof(data)); ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1plus: all warnings being treated as errors [119/126] Compiling C++ object 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_compat.cpp.o' [120/126] Compiling C++ object 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera_proxy.cpp.o' FAILED: src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera_proxy.cpp.o /home/naourr/work/instance-1/output-1/host/bin/mips64el-linux-g++ -Isrc/v4l2/2092569@@v4l2-compat@sha -Isrc/v4l2 -I../src/v4l2 -Iinclude -I../include -Iinclude/libcamera -fdiagnostics-color=always -pipe -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Werror -std=c++14 -O3 -Wno-unused-parameter -include config.h -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_FORTIFY_SOURCE=2 -fPIC -U_FILE_OFFSET_BITS -D_FILE_OFFSET_BITS=32 -fvisibility=hidden -MD -MQ 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera_proxy.cpp.o' -MF 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera_proxy.cpp.o.d' -o 'src/v4l2/2092569@@v4l2-compat@sha/v4l2_camera_proxy.cpp.o' -c ../src/v4l2/v4l2_camera_proxy.cpp ../src/v4l2/v4l2_camera_proxy.cpp: In member function 'int V4L2CameraProxy::vidioc_dqbuf(v4l2_buffer*)': ../src/v4l2/v4l2_camera_proxy.cpp:457:8: error: ignoring return value of 'ssize_t read(int, void*, size_t)', declared with attribute warn_unused_result [-Werror=unused-result] ::read(efd_, &data, sizeof(data)); ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1plus: all warnings being treated as errors [121/126] Compiling C++ object 'src/qcam/9916d8b@@qcam@exe/main_window.cpp.o' ninja: build stopped: subcommand failed. make: *** [package/pkg-generic.mk:269: /home/naourr/work/instance-1/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb/.stamp_built] Error 1 make: Leaving directory '/home/naourr/work/instance-1/buildroot'