tce-load -i 

compiled on tc-4.7.7

cd busybox-1.22.1

patch -Np1 -i ../busybox-1.21.1_wget_3.patch
patch -Np1 -i ../busybox-1.21.1_depmod.patch [need to do manually]
patch -Np1 -i ../busybox-1.22.1-ash.patch
patch -Np1 -i ../busybox-1.22.1-date.patch
patch -Np1 -i ../busybox-1.22.1-iplink.patch
patch -Np1 -i ../busybox-1.22.1-nc.patch

cp busybox-1.22.1_nosuid.config .config

make CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti"

mkdir /tmp/pkg

sudo make CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" CONFIG_PREFIX=/tmp/pkg install

cp busybox-1.22.1_suid.config .config

make CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti"

sudo make CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" CONFIG_PREFIX=/tmp/pkg install

sudo mv /tmp/pkg/bin/busybox /tmp/pkg/bin/busybox.suid

make your busybox binary setuid root