When I'm trying to compile the coprocessor sample (compare https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/ug_thread_tools.html#configuring-a-radio-co-processor), I get the following linker error:
west build -p always -b nrf52840dongle_nrf52840 nrf/samples/openthread/coprocessor/ -- -DOVERLAY_CONFIG="overlay-usb.conf" -DDTC_OVERLAY_FILE="usb.overlay"
-- west build: making build dir .../zephyr/build pristine
-- west build: generating a build system
Loading Zephyr default modules (Zephyr base).
-- Application: .../zephyr/nrf/samples/openthread/coprocessor
-- Found Python3: .../zephyr/.venv/bin/python3 (found suitable exact version "3.8.10") found components: Interpreter
-- Cache files will be written to: /home/fgrandel/.cache/zephyr
-- Zephyr version: 3.0.99 (.../zephyr/zephyr)
-- Found west (found suitable version "0.13.1", minimum required is "0.7.1")
-- Board: nrf52840dongle_nrf52840
-- Found host-tools: zephyr 0.14.2 (/opt/zephyr-sdk-0.14.2)
-- Found dtc: /opt/zephyr-sdk-0.14.2/sysroots/x86_64-pokysdk-linux/usr/bin/dtc (found suitable version "1.6.0", minimum required is "1.4.6")
-- Found toolchain: zephyr 0.14.2 (/opt/zephyr-sdk-0.14.2)
-- Found BOARD.dts: .../zephyr/zephyr/boards/arm/nrf52840dongle_nrf52840/nrf52840dongle_nrf52840.dts
-- Found devicetree overlay: usb.overlay
-- Generated zephyr.dts: .../zephyr/build/zephyr/zephyr.dts
-- Generated devicetree_unfixed.h: .../zephyr/build/zephyr/include/generated/devicetree_unfixed.h
-- Generated device_extern.h: .../zephyr/build/zephyr/include/generated/device_extern.h
-- Including generated dts.cmake file: .../zephyr/build/zephyr/dts.cmake
Parsing .../zephyr/nrf/samples/openthread/coprocessor/Kconfig
Loaded configuration '.../zephyr/zephyr/boards/arm/nrf52840dongle_nrf52840/nrf52840dongle_nrf52840_defconfig'
Merged configuration '.../zephyr/nrf/samples/openthread/coprocessor/prj.conf'
Merged configuration '.../zephyr/nrf/samples/openthread/coprocessor/overlay-usb.conf'
Configuration saved to '.../zephyr/build/zephyr/.config'
Kconfig header saved to '.../zephyr/build/zephyr/include/generated/autoconf.h'
-- The C compiler identification is GNU 10.3.0
-- The CXX compiler identification is GNU 10.3.0
-- The ASM compiler identification is GNU
-- Found assembler: /opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc
-- OpenThread Source Directory: .../zephyr/modules/lib/openthread
-- Check if the system is big endian
-- Searching 16 bit integer
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of unsigned short
-- Check size of unsigned short - done
-- Searching 16 bit integer - Using unsigned short
-- Check if the system is big endian - little endian
-- Package Name: OPENTHREAD
-- Setting default package version: e2a765599
-- Package Version: e2a765599
CMake Warning at .../zephyr/zephyr/CMakeLists.txt:1803 (message):
__ASSERT() statements are globally ENABLED
-- Configuring done
-- Generating done
-- Build files have been written to: .../zephyr/build
-- west build: building application
[1/418] Preparing syscall dependency handling
[6/418] Generating include/generated/version.h
-- Zephyr version: 3.0.99 (.../zephyr/zephyr), build: v3.0.99-ncs1
[82/418] cd .../zephyr/build/modules/openthread/build && /usr/bin/cmake -DLIST="O...E="nrf-config-user.h"" -P .../zephyr/modules/lib/openthread/etc/cmake/print.cmake
OPENTHREAD_CONFIG_ASSERT_ENABLE=1
OPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE=1
OPENTHREAD_CONFIG_BACKBONE_ROUTER_DUA_NDPROXYING_ENABLE=1
OPENTHREAD_CONFIG_BACKBONE_ROUTER_MULTICAST_ROUTING_ENABLE=1
OPENTHREAD_CONFIG_BORDER_AGENT_ENABLE=1
OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE=1
OPENTHREAD_CONFIG_ENABLE_BUILTIN_MBEDTLS=0
OPENTHREAD_CONFIG_ENABLE_BUILTIN_MBEDTLS_MANAGEMENT=0
OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE=1
OPENTHREAD_CONFIG_COAP_API_ENABLE=1
OPENTHREAD_CONFIG_COAP_SECURE_API_ENABLE=1
OPENTHREAD_CONFIG_COMMISSIONER_ENABLE=1
OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE=1
OPENTHREAD_CONFIG_MAC_CSL_AUTO_SYNC_ENABLE=1
OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE=1
OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE=1
OPENTHREAD_CONFIG_DIAG_ENABLE=1
OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE=1
OPENTHREAD_CONFIG_ECDSA_ENABLE=1
OPENTHREAD_CONFIG_SRP_CLIENT_ENABLE=1
OPENTHREAD_CONFIG_DUA_ENABLE=1
OPENTHREAD_CONFIG_MLR_ENABLE=1
OPENTHREAD_CONFIG_HEAP_EXTERNAL_ENABLE=1
OPENTHREAD_CONFIG_IP6_FRAGMENTATION_ENABLE=1
OPENTHREAD_CONFIG_JAM_DETECTION_ENABLE=1
OPENTHREAD_CONFIG_JOINER_ENABLE=1
OPENTHREAD_CONFIG_LINK_RAW_ENABLE=1
OPENTHREAD_CONFIG_MLE_LINK_METRICS_INITIATOR_ENABLE=1
OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE=1
OPENTHREAD_CONFIG_MAC_FILTER_ENABLE=1
OPENTHREAD_CONFIG_TMF_NETWORK_DIAG_MTD_ENABLE=1
OPENTHREAD_CONFIG_PING_SENDER_ENABLE=1
OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE=1
OPENTHREAD_CONFIG_IP6_SLAAC_ENABLE=1
OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE=1
OPENTHREAD_CONFIG_UDP_FORWARD_ENABLE=1
OPENTHREAD_SPINEL_CONFIG_RCP_RESTORATION_MAX_COUNT=0
PACKAGE_NAME=OPENTHREAD
OPENTHREAD_CONFIG_THREAD_VERSION=OT_THREAD_VERSION_1_2
OPENTHREAD_CONFIG_NCP_HDLC_ENABLE=1
KERNEL
__ZEPHYR__=1
_FORTIFY_SOURCE=2
__LINUX_ERRNO_EXTENSIONS__
USE_PARTITION_MANAGER=0
__PROGRAM_START
NRF52840_XXAA
NRF_802154_CCA_CORR_LIMIT_DEFAULT=2
NRF_802154_CCA_CORR_THRESHOLD_DEFAULT=45
NRF_802154_CCA_ED_THRESHOLD_DEFAULT=45
NRF_802154_CCA_MODE_DEFAULT=NRF_RADIO_CCA_MODE_ED
NRF_802154_USE_RAW_API=1
NRF_802154_PENDING_SHORT_ADDRESSES=16
NRF_802154_PENDING_EXTENDED_ADDRESSES=16
NRF_802154_RX_BUFFERS=16
NRF_802154_TX_STARTED_NOTIFY_ENABLED=1
NRF_802154_ACK_TIMEOUT_ENABLED=1
NRF_802154_ENCRYPTION_ENABLED=1
NRF_802154_SECURITY_WRITER_ENABLED=1
NRF_802154_IE_WRITER_ENABLED=1
NRF_802154_INTERNAL_RADIO_IRQ_HANDLING=0
NRF_802154_ECB_PRIORITY=-1
NRF_802154_SWI_PRIORITY=1
MBEDTLS_CONFIG_FILE=nrf-config.h
MBEDTLS_USER_CONFIG_FILE=nrf-config-user.h
[408/418] Linking CXX executable zephyr/zephyr_pre0.elf
FAILED: zephyr/zephyr_pre0.elf zephyr/zephyr_pre0.map .../zephyr/build/zephyr/zephyr_pre0.map
: && ccache /opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/arm-zephyr-eabi-g++ zephyr/CMakeFiles/zephyr_pre0.dir/misc/empty_file.c.obj -o zephyr/zephyr_pre0.elf zephyr/CMakeFiles/offsets.dir/./arch/arm/core/offsets/offsets.c.obj -fuse-ld=bfd -Wl,-T zephyr/linker_zephyr_pre0.cmd -Wl,-Map=.../zephyr/build/zephyr/zephyr_pre0.map -Wl,--whole-archive app/libapp.a zephyr/libzephyr.a zephyr/arch/common/libarch__common.a zephyr/arch/arch/arm/core/aarch32/libarch__arm__core__aarch32.a zephyr/arch/arch/arm/core/aarch32/cortex_m/libarch__arm__core__aarch32__cortex_m.a zephyr/arch/arch/arm/core/aarch32/mpu/libarch__arm__core__aarch32__mpu.a zephyr/lib/libc/newlib/liblib__libc__newlib.a zephyr/lib/posix/liblib__posix.a zephyr/soc/arm/common/cortex_m/libsoc__arm__common__cortex_m.a zephyr/soc/arm/nordic_nrf/nrf52/libsoc__arm__nordic_nrf__nrf52.a zephyr/boards/arm/nrf52840dongle_nrf52840/libboards__arm__nrf52840dongle_nrf52840.a zephyr/subsys/net/libsubsys__net.a zephyr/subsys/net/l2/openthread/libsubsys__net__ip__l2__openthread.a zephyr/subsys/net/ip/libsubsys__net__ip.a zephyr/subsys/net/lib/openthread/platform/libopenthread_platform.a zephyr/subsys/random/libsubsys__random.a zephyr/drivers/usb/device/libdrivers__usb__device.a zephyr/drivers/clock_control/libdrivers__clock_control.a zephyr/drivers/gpio/libdrivers__gpio.a zephyr/drivers/ieee802154/libdrivers__ieee802154.a zephyr/drivers/hwinfo/libdrivers__hwinfo.a zephyr/drivers/flash/libdrivers__flash.a zephyr/drivers/serial/libdrivers__serial.a zephyr/drivers/entropy/libdrivers__entropy.a zephyr/drivers/timer/libdrivers__timer.a zephyr/drivers/pinctrl/libdrivers__pinctrl.a modules/nrf/lib/multithreading_lock/lib..__nrf__lib__multithreading_lock.a modules/nrf/lib/fatal_error/lib..__nrf__lib__fatal_error.a modules/nrf/subsys/mpsl/init/lib..__nrf__subsys__mpsl__init.a modules/nrf/subsys/ieee802154/lib..__nrf__subsys__ieee802154.a modules/nrf/drivers/mpsl/clock_control/lib..__nrf__drivers__mpsl__clock_control.a modules/nrf/drivers/mpsl/flash_sync/lib..__nrf__drivers__mpsl__flash_sync.a modules/nrf/drivers/mpsl/temp_nrf5/lib..__nrf__drivers__mpsl__temp_nrf5.a modules/nrf/drivers/hw_cc310/lib..__nrf__drivers__hw_cc310.a modules/hal_nordic/nrf_802154/libnrf-802154-platform.a modules/nrfxlib/nrf_802154/nrf_802154/driver/libnrf-802154-driver.a modules/hal_nordic/nrfx/libmodules__hal_nordic__nrfx.a modules/nrfxlib/nrfxlib/nrf_security/src/zephyr/libmbedtls_zephyr.a -Wl,--no-whole-archive zephyr/kernel/libkernel.a -L"/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/thumb/v7e-m+fp/hard" -L.../zephyr/build/zephyr -lgcc zephyr/arch/common/libisr_tables.a modules/hal_nordic/nrf_802154/libnrf-802154-platform.a .../zephyr/nrfxlib/nrf_802154/sl/sl/lib/nRF52840/hard-float/libnrf-802154-sl.a -no-pie -Wl,--gc-sections -Wl,--build-id=none -Wl,--sort-common=descending -Wl,--sort-section=alignment -Wl,-u,_OffsetAbsSyms -Wl,-u,_ConfigAbsSyms -nostdlib -static -Wl,-X -Wl,-N -Wl,--orphan-handling=warn -lm -Wl,-lc -L"/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/arm-zephyr-eabi"/lib/thumb/v7e-m+fp/hard -Wl,-lgcc -lc -specs=nano.specs modules/openthread/build/src/ncp/libopenthread-rcp.a modules/openthread/build/src/core/libopenthread-radio.a modules/openthread/build/src/lib/hdlc/libopenthread-hdlc.a modules/openthread/build/src/lib/spinel/libopenthread-spinel-rcp.a .../zephyr/nrfxlib/mpsl/lib/cortex-m4/hard-float/libmpsl.a modules/nrfxlib/nrfxlib/nrf_security/src/libmbedtls.a modules/nrfxlib/nrfxlib/nrf_security/src/libmbedx509.a modules/nrfxlib/nrfxlib/nrf_security/src/libmbedcrypto.a .../zephyr/nrfxlib/crypto/nrf_cc310_platform/lib/cortex-m4/hard-float/no-interrupts/libnrf_cc310_platform_0.9.14.a .../zephyr/nrfxlib/crypto/nrf_oberon/lib/cortex-m4/hard-float/liboberon_psa_3.0.11.a .../zephyr/nrfxlib/crypto/nrf_oberon/lib/cortex-m4/hard-float/liboberon_mbedtls_3.0.11.a modules/nrfxlib/nrfxlib/nrf_security/src/libmbedcrypto_base.a -mcpu=cortex-m4 -mthumb -mabi=aapcs -mfpu=fpv4-sp-d16 -mfp16-format=ieee -lc .../zephyr/nrfxlib/crypto/nrf_oberon/lib/cortex-m4/hard-float/liboberon_3.0.11.a && cd .../zephyr/build/zephyr && /usr/bin/cmake -E echo
/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/../../../../arm-zephyr-eabi/bin/ld.bfd: /opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/arm-zephyr-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(lib_a-svfprintf.o): in function `_svfprintf_r':
vfprintf.c:(.text._svfprintf_r+0x33e): undefined reference to `__aeabi_dcmpun'
/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/../../../../arm-zephyr-eabi/bin/ld.bfd: vfprintf.c:(.text._svfprintf_r+0x394): undefined reference to `__aeabi_dcmpun'
/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/../../../../arm-zephyr-eabi/bin/ld.bfd: vfprintf.c:(.text._svfprintf_r+0x4bc): undefined reference to `__aeabi_d2iz'
/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/../../../../arm-zephyr-eabi/bin/ld.bfd: /opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/arm-zephyr-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(lib_a-dtoa.o): in function `_dtoa_r':
dtoa.c:(.text._dtoa_r+0x15a): undefined reference to `__aeabi_d2iz'
/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/../../../../arm-zephyr-eabi/bin/ld.bfd: dtoa.c:(.text._dtoa_r+0x514): undefined reference to `__aeabi_d2iz'
/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/../../../../arm-zephyr-eabi/bin/ld.bfd: dtoa.c:(.text._dtoa_r+0x598): undefined reference to `__aeabi_d2iz'
/opt/zephyr-sdk-0.14.2/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/10.3.0/../../../../arm-zephyr-eabi/bin/ld.bfd: dtoa.c:(.text._dtoa_r+0x646): undefined reference to `__aeabi_d2iz'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.
FATAL ERROR: command exited with status 1: /usr/bin/cmake --build .../zephyr/build
Any ideas what I'm doing wrong here?
