>>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Extracting gzip -d -c /home/buildroot/autobuild/run/instance-0/dl/libcamera/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb.tar.gz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb -xf - >>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Patching >>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Configuring rm -rf /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build mkdir -p /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build sed -e 's%@TARGET_CROSS@%/home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-none-linux-gnu-%g' -e 's%@TARGET_ARCH@%aarch64%g' -e 's%@TARGET_CPU@%cortex-a72%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=1"%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=1"%g' -e 's%@HOST_DIR@%/home/buildroot/autobuild/run/instance-0/output-1/host%g' -e 's%@STAGING_DIR@%/home/buildroot/autobuild/run/instance-0/output-1/host/aarch64-buildroot-linux-gnu/sysroot%g' -e 's%@STATIC@%false%g' -e "/^\[binaries\]$/s:$::" -e "/^\[properties\]$/s:$::" package/meson/cross-compilation.conf.in > /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build/cross-compilation.conf PATH="/home/buildroot/autobuild/run/instance-0/output-1/host/bin:/home/buildroot/autobuild/run/instance-0/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PYTHONNOUSERSITE=y /home/buildroot/autobuild/run/instance-0/output-1/host/bin/meson --prefix=/usr --libdir=lib --default-library=shared --buildtype=release --cross-file=/home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build/cross-compilation.conf -Dbuild.pkg_config_path=/home/buildroot/autobuild/run/instance-0/output-1/host/lib/pkgconfig -Dandroid=false -Ddocumentation=false -Dtest=false -Dv4l2=true -Dpipelines=vimc /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb/ /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build The Meson build system Version: 0.54.2 Source dir: /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb Build dir: /home/buildroot/autobuild/run/instance-0/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 4.8.2 "cc (Ubuntu 4.8.2-19ubuntu1) 4.8.2") C linker for the build machine: cc ld.bfd 2.24 C++ compiler for the build machine: c++ (gcc 4.8.2 "c++ (Ubuntu 4.8.2-19ubuntu1) 4.8.2") C++ linker for the build machine: c++ ld.bfd 2.24 C compiler for the host machine: /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-none-linux-gnu-gcc (gcc 9.2.1 "aarch64-none-linux-gnu-gcc (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10)) 9.2.1 20191025") C linker for the host machine: /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-none-linux-gnu-gcc ld.bfd 9.2-2019 C++ compiler for the host machine: /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-none-linux-gnu-g++ (gcc 9.2.1 "aarch64-none-linux-gnu-g++ (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10)) 9.2.1 20191025") C++ linker for the host machine: /home/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-none-linux-gnu-g++ ld.bfd 9.2-2019 Build machine cpu family: x86_64 Build machine cpu: x86_64 Host machine cpu family: aarch64 Host machine cpu: cortex-a72 Target machine cpu family: aarch64 Target machine cpu: cortex-a72 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/buildroot/autobuild/run/instance-0/output-1/host/bin/openssl) Library atomic found: YES Library dl found: YES Library gnutls found: YES Found pkg-config: /home/buildroot/autobuild/run/instance-0/output-1/host/bin/pkgconf (1.6.1) Run-time dependency libudev found: YES 243 Run-time dependency threads found: YES Program ipa-sign-install.sh found: YES (/home/buildroot/autobuild/run/instance-0/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: NO (tried pkgconfig) Run-time dependency glib-2.0 found: YES 2.64.3 Found CMake: NO 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: 16 Found ninja-1.10.0 at /home/buildroot/autobuild/run/instance-0/output-1/host/bin/ninja >>> libcamera 96fab38e02792a109c0d35ca2154e95a7b4c8fcb Building PATH="/home/buildroot/autobuild/run/instance-0/output-1/host/bin:/home/buildroot/autobuild/run/instance-0/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" PYTHONNOUSERSITE=y /home/buildroot/autobuild/run/instance-0/output-1/host/bin/ninja -j4 -C /home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build ninja: Entering directory `/home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb//build' [1/87] Generating gen-header with a custom command [2/87] Generating ipa-priv-key with a custom command .........+++++ .............................................+++++ [3/87] Generating property_ids_h with a custom command [4/87] Generating control_ids_cpp with a custom command [5/87] Generating control_ids_h with a custom command [6/87] Generating property_ids_cpp with a custom command [7/87] Generating ipa_pub_key_cpp with a custom command writing RSA key [8/87] Generating version.cpp with a custom command [9/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._property_ids.cpp.o' [10/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._version.cpp.o' [11/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._control_ids.cpp.o' [12/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/bound_method.cpp.o' [13/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/byte_stream_buffer.cpp.o' [14/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/buffer.cpp.o' [15/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/meson-generated_.._ipa_pub_key.cpp.o' [16/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera_controls.cpp.o' [17/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/event_dispatcher_poll.cpp.o' [18/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera.cpp.o' [19/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera_manager.cpp.o' [20/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/control_validator.cpp.o' [21/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/controls.cpp.o' [22/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/control_serializer.cpp.o' [23/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/device_enumerator.cpp.o' [24/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/device_enumerator_sysfs.cpp.o' [25/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/event_dispatcher.cpp.o' [26/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/media_object.cpp.o' [27/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/file.cpp.o' [28/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/event_notifier.cpp.o' [29/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/file_descriptor.cpp.o' [30/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/camera_sensor.cpp.o' [31/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/geometry.cpp.o' [32/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_controls.cpp.o' [33/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/formats.cpp.o' [34/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/framebuffer_allocator.cpp.o' [35/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_interface.cpp.o' [36/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_context_wrapper.cpp.o' [37/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_manager.cpp.o' [38/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_module.cpp.o' [39/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipa_proxy.cpp.o' [40/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/ipc_unixsocket.cpp.o' [41/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/media_device.cpp.o' [42/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/log.cpp.o' [43/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/message.cpp.o' [44/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pixel_format.cpp.o' [45/87] 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/buildroot/autobuild/run/instance-0/output-1/host/bin/aarch64-none-linux-gnu-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=1 -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] 94 | ::write(efd_, &data, sizeof(data)); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1plus: all warnings being treated as errors [46/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/object.cpp.o' [47/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/process.cpp.o' [48/87] Compiling C++ object 'src/libcamera/4ab8042@@camera@sha/pipeline_handler.cpp.o' ninja: build stopped: subcommand failed. make: *** [/home/buildroot/autobuild/run/instance-0/output-1/build/libcamera-96fab38e02792a109c0d35ca2154e95a7b4c8fcb/.stamp_built] Error 1 make: Leaving directory `/home/buildroot/autobuild/run/instance-0/buildroot'