Waf: Entering directory `/home/wolf/git/ardupilot/build/KakuteH7' Checking for env.py env added ENABLE_DFU_BOOT=0 env added WITH_FATFS=1 env added PROCESS_STACK=0x1C00 env added MAIN_STACK=0x600 env added IOMCU_FW=0 env added PERIPH_FW=0 env added BOARD_FLASH_SIZE=2048 env added EXT_FLASH_SIZE_MB=0 env added INT_FLASH_PRIMARY=False env added ENABLE_CRASHDUMP=True env appended CPU_FLAGS=['-mcpu=cortex-m7', '-mfpu=fpv5-d16', '-mfloat-abi=hard', '-DARM_MATH_CM7', '-u_printf_float'] env added CORTEX=cortex-m7 env added APJ_BOARD_ID=1048 env added APJ_BOARD_TYPE=STM32H743xx env added USBID=0x1209/0x5741 env added FLASH_RESERVE_START_KB=128 env added EXT_FLASH_RESERVE_START_KB=0 env added FLASH_TOTAL=1703936 env added HAS_EXTERNAL_FLASH_SECTIONS=0 env added CHIBIOS_BUILD_FLAGS=USE_FATFS=yes CHIBIOS_STARTUP_MK=os/common/startup/ARMCMx/compilers/GCC/mk/startup_stm32h7xx.mk CHIBIOS_PLATFORM_MK=os/hal/ports/STM32/STM32H7xx/platform.mk MCU=cortex-m7 ENV_UDEFS=-DCHPRINTF_USE_FLOAT=1 Padded 12 bytes for bootloader.bin to 15712 Embedding file bootloader.bin:/home/wolf/git/ardupilot/Tools/bootloaders/KakuteH7_bl.bin Embedding file defaults.parm:/home/wolf/git/ardupilot/build/KakuteH7/processed_defaults.parm Embedding file font0.bin:libraries/AP_OSD/fonts/font0.bin Embedding file font1.bin:libraries/AP_OSD/fonts/font1.bin Embedding file font2.bin:libraries/AP_OSD/fonts/font2.bin Embedding file font3.bin:libraries/AP_OSD/fonts/font3.bin Embedding file font4.bin:libraries/AP_OSD/fonts/font4.bin Embedding file hwdef.dat:/home/wolf/git/ardupilot/build/KakuteH7/hw.dat you need to install empy with 'python -m pip install empy==3.3.4'