Installing MPFR

Use PuTTY to log in to the server as the root user.
Run the following commands to decompress the MPFR installation package:
```
tar -xvf mpfr-3.1.4.tar.bz2
```
Run the following command to go to MPFR source code directory:
```
cd mpfr-3.1.4
```

Run the following commands to perform compilation and installation:

./configure --prefix=/path/to/MPFR --with-gmp=/path/to/GMP
make
make install

Run the following command to set the environment variable:
```
export LD_LIBRARY_PATH=/path/to/MPFR/lib:$LD_LIBRARY_PATH
```

Parent topic: Setting Up the Environment for the Cluster Scenario