这就是错误:
ERROR: meta-toolchain-qt5-1.0-r0 do_populate_sdk: Could not invoke dnf.tmp/work/cortexa8hf-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/sdk/image/etc/yum.repos.d --repofrompath1.0-r0/oe-sdk
:68: Debug: "Failed to extract plugin meta data from '/usr/lib/Android/Sdk/emulator/qemu/linux-x86_64:68: Debug: "Failed to extract plugin meta data from '/usr/lib/Android/Sdk/emulator/qem
/build/tmp/work/cortexa8hf-vfp-neon-poky-linux-gnueabi/meta-toolchain-qt5/1.0-r0/sdk/image/opt/poky/1.8/recipes-qt/meta/meta-toolchain-qt5.bb, do_populate_sdk) failed with exit