Verifying GNU 9.1

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Run the following command to load environment variables:

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

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

3. Run the following command to check whether the GCC version is 9.1.0:

   gcc -v

   Using built-in specs.
   COLLECT_GCC=gcc
   COLLECT_LTO_WRAPPER=/path/to/GNU/bin/../libexec/gcc/aarch64-unknown-linux-gnu/9.1.0/lto-wrapper
   Target: aarch64-unknown-linux-gnu
   Configured with: ../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
   Thread model: posix
   gcc version 9.1.0 (GCC)