以下の手順に沿って、お手元のLinux PCにSDKをダウンロードし、開発環境を準備下さい。
tar zxvf tt-openwrt-sdk-stable-3.1.6.z.tar.gz cd tt-openwrt-sdk cd openwrt-tt cp default-config-rsp .config make V=99 (Build完了までに暫く時間かかります)
sudo apt-get install build-essential flex gawk gettext libncurses5-dev zlib1g-dev git-core subversion (上記mnakeを実行前に必要な場合があります) sudo apt-get install gcc-multilib (you need to install 32bit gcc,if you use 64bit system )
execute "make menuconfig" go to [Advanced configuration options (for developers)->local mirror for source packages] remove "220.110.201.21/openwrt/stable/sources/" save and exit