Installing ScaLAPACK

Use PuTTY to log in to the server as the root user.
Decompress the ScaLAPACK installation package.
```
tar -xvf scalapack-2.1.0.tgz
```
Go to the directory generated after the decompression.
```
cd scalapack-2.1.0
```
Run the following command to copy and paste the file:
```
cp SLmake.inc.example SLmake.inc
```
Modify the SLmake.inc file.
1. Open the SLmake.inc file.
```
vi SLmake.inc
```
2. Press i to enter the edit mode and modify the file as follows:
```
BLASLIB=/path/to/LAPACK/libblas.a
LAPACKLIB=/path/to/LAPACK/liblapack.a
LIBS=$(LAPACKLIB) $(BLASLIB)
```
3. Press Esc, type :wq!, and press Enter to save the file and exit.
Perform the compilation.
```
make
```
Copy the generated static library to another directory.
```
cp *.a /path/to/EXTRA/mathlib
```

Parent topic: Configuring the Compilation Environment