Installing GNU

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Run the following command to decompress the GNU installation package:

   tar -vxf gcc-9.3.0.tar.xz

3. Run the following command to go to GNU source code directory:

   cd gcc-9.3.0

4. Run the following commands to perform compilation and installation:

   ./configure --disable-multilib --enable-languages="c,c++,fortran"  --prefix=/path/to/GNU --disable-static --enable-shared --with-gmp=/path/to/GMP --with-mpfr=/path/to/MPFR --with-mpc=/path/to/MPC
   make
   make install

5. Run the following commands to load the environment variables:

   export PATH=/path/to/GNU/bin:$PATH
   export LD_LIBRARY_PATH=/path/to/GNU/lib64:$LD_LIBRARY_PATH