解压源代码至mpc-0.9
mkdir mpc-0.9-out
cd mpc-0.9-out
../mpc-0.9/configure --prefix=/home/musictom/mpc-0.9-install --with-gmp=/home/musictom/gmp-5.0.5-install --with-mpfr=/home/musictom/mpfr-3.1.0-install
make
make install
如果要让库在arm机器上能运行，要加上
--host=arm-eabi选项
