我正在尝试构建sumo层的meta-murata-wireless Yocto建筑物，以便可以使用其WiFi / BT组合模块。但是我无法做到这一点，并且无法得到错误/警告。
WARNING: ../imx-yocto-bsp/sources/meta-murata-wireless/recipes-kernel/backporttool-linux/backporttool-linux_1.0.bb: Exception during build_dependencies for KERNEL_VERSION
WARNING: ../imx-yocto-bsp/sources/meta-murata-wireless/recipes-kernel/backporttool-linux/backporttool-linux_1.0.bb: Error during finalise of ../imx-yocto-bsp/sources/meta-murata-wireless/recipes-kernel/backporttool-linux/backporttool-linux_1.0.bb
ERROR: ExpansionError during parsing ../imx-yocto-bsp/sources/meta-murata-wireless/recipes-kernel/backporttool-linux/backporttool-linux_1.0.bb
Traceback (most recent call last):
bb.data_smart.ExpansionError: Failure expanding variable KERNEL_VERSION, expression was ${@base_read_file('../imx-yocto-bsp/build-imx-wayland/tmp/work-shared/imx6ulevk/kernel-build-artifacts/kernel-abiversion')} which triggered exception NameError: name 'base_read_file' is not defined