Updating gfortran without updating GCC

问题

Is it possible to update gfortran without updating the GCC in a Linux operating system?

回答1:

Well, since gfortran is part of the GCC, just updating gfortran could be a little tricky. However, you can download the gfortran binaries, as well as the required gcc-infrastructure package from the official site.

You can unzip the two archives into a folder (e.g., /usr/local/gfortran) and start using this version of GCC (incl. gfortran) alongside the version provided by your GNU Linux system. It might be helpful to set up a short shell script to adjust the PATH and LD_LIBRARY_PATH to use this local version. The gfortran site provides further details and examples on how to achieve that.

In essence, you need to do something like this:

export PATH="/usr/local/gfortran/bin:$PATH"

and

if [ -z "$LD_LIBRARY_PATH" ]; then
    LD_LIBRARY_PATH="/usr/local/gfortran/lib"
else
    LD_LIBRARY_PATH="/usr/local/gfortran/lib:$LD_LIBRARY_PATH"
fi
export LD_LIBRARY_PATH

provided that you installed the local version in /usr/local/gfortran.

来源：https://stackoverflow.com/questions/36178094/updating-gfortran-without-updating-gcc