https://blog.csdn.net/tiantang46800/article/details/7180519
./configure --host=mipsel-linux --enable-static --disable-shared CC=mipsel-linux-gcc AS=mipsel-linux-as LD=mipsel-linux-ld AR=mipsel-linux-ar RANLIB=mipsel-linux-ranlib --prefix=$PWD/__INSTALL