# if BR2_TOOLCHAIN_EXTERNAL config BR2_TOOLCHAIN_EXTERNAL_PATH string "External toolchain path" default "/path/to/staging_dir/usr" help Path to where the external toolchain is installed. config BR2_TOOLCHAIN_EXTERNAL_PREFIX string "External toolchain prefix" default "$(ARCH)-linux" help This the the external toolchain prefix. For example: armeb-unknown-linux-gnu, mipsel-unknown-linux-gnu, etc. endif