buildroot

BR2_nios2=y

BR2_TOOLCHAIN_EXTERNAL=y

BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y

BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y

BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-nios2-full-2017.05-1078-g95b1dae.tar.bz2"

BR2_TOOLCHAIN_EXTERNAL_GCC_6=y

BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_12=y

BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y

BR2_TOOLCHAIN_EXTERNAL_CXX=y