Compilation and Installation

Use PuTTY to log in to the server as the root user.
Go to the installation directory of the main program.
```
cd /path/to/CLUSTALW
```
Decompress the installation package.
```
tar -xvf clustalw-2.1.tar.gz
```
Go to the directory generated after the decompression.
```
cd clustalw-2.1
```

Modify the configuration file.

mv config.guess config.guess_bak
mv config.sub config.sub_bak
cp /usr/share/automake-1.16/config.* .

Perform the configuration.
```
./configure --prefix=/path/to/CLUSTALW
```
Perform the compilation and installation.
```
make
make install
```
Check whether an executable file is generated.
```
ll /path/to/CLUSTALW/bin/clustalw2
```
Set the environment variable.
```
export PATH=/path/to/CLUSTALW/bin:$PATH
```

Parent topic: ClustalW 2.1 Porting Guide (Kylin V10)