GEN /srv/build/amery/allwinner/sunxi-nightly/build_u-boot/build_cubieboard/Makefile Configuring for Cubieboard - Board: sun4i, Options: CUBIEBOARD,SPL,SUNXI_EMAC,STATUSLED=244,STATUSLED1=245 GEN include/autoconf.mk.dep GEN include/autoconf.mk CHK include/config/uboot.release CHK include/generated/timestamp_autogenerated.h GEN /srv/build/amery/allwinner/sunxi-nightly/build_u-boot/build_cubieboard/Makefile UPD include/generated/timestamp_autogenerated.h UPD include/config/uboot.release Using /srv/build/amery/allwinner/sunxi-nightly/u-boot-sunxi as source for u-boot /srv/build/amery/allwinner/sunxi-nightly/u-boot-sunxi is not clean, please run 'make mrproper' in the '/srv/build/amery/allwinner/sunxi-nightly/u-boot-sunxi' directory. make[1]: *** [prepare3] Error 1 make[1]: *** Waiting for unfinished jobs.... make[1]: *** wait: No child processes. Stop. make: *** [sub-make] Error 2