windows环境下的gmp大数运算库配置
tar -xvf gmp-6.2.0.tar.xz
cd ./gmp-6.2.0
./configure --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --disable-static --enable-shared --enable-cxx
make
make check
make install
参考：https://blog.51cto.com/xiaohaiwa/5437258
tar -xvf gmp-6.2.0.tar.xz
cd ./gmp-6.2.0
./configure --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --disable-static --enable-shared --enable-cxx
make
make check
make install
参考：https://blog.51cto.com/xiaohaiwa/5437258
