z@ubuntu:~/OpenWrt-SDK-15.05-ar71xx-generic_gcc-4.8-linaro_uClibc-0.9.33.2.Linux-x86_64$ make menuconfig
make -s -C scripts/config all CC=cc: build failed. Please re-run make with -j1 V=s to see what’s going on
/home/z/OpenWrt-SDK-15.05-ar71xx-generic_gcc-4.8-linaro_uClibc-0.9.33.2.Linux-x86_64/include/toplevel.mk:89: recipe for target ‘scripts/config/mconf’ failed
make: *** [scripts/config/mconf] Error 1