Installing ELPA

Procedure

Use PuTTY to log in to the server as the root user.
Run the following command to decompress the ELPA installation package:
```
tar -xvf elpa-2019.05.001.tar.gz
```
Run the following command to switch to the directory generated after decompression:
```
cd elpa-2019.05.001
```

Run the following command to perform configuration:

./configure --prefix=/path/to/EXTRA/elpa --enable-openmp --enable-shared=no LIBS="//path/to/EXTRA/mathlib/libscalapack.a /path/to/EXTRA/mathlib/liblapack.a /path/to/EXTRA/mathlib/librefblas.a" --disable-sse --disable-sse-assembly --disable-avx --disable-avx2

Run the following commands to perform compilation:
```
make
make install
```

Parent topic: Configuring the Compilation Environment