Installing GSL

Use PuTTY to log in to the server as the root user.
Run the following command to decompress the GSL installation package:
```
tar -xvf gsl-2.6.tar.gz
```
Run the following command to switch to the directory generated after decompression:
```
cd gsl-2.6
```
Run the following command to perform configuration:
```
./configure --prefix=/path/to/EXTRA/gsl
```
Run the following commands to perform compilation:
```
make
make install
```

Run the following commands to set environment variables:

export LIBRARY_PATH=/path/to/EXTRA/gsl/lib:$LIBRARY_PATH
export LD_LIBRARY_PATH=/path/to/EXTRA/gsl/lib:$LD_LIBRARY_PATH

Parent topic: Configuring the Compilation Environment