Install Gfortran 8.2 on Linux

Related: Install latest gfortran on Windows


Gfortran 8.2 Fortran 2018 features includes excellent coarray support.

Caveat: Newer versions of Gfortran may require recompiling other libraries linked with Fortran compiler, such as HDF5. Trivially switch between Gfortran compiler versions (or any other program versions) with update-alternatives.

Install

GCC/Gfortran 8 for Ubuntu 18.04 / 16.04 / 14.04 is available from the Ubuntu-test PPA:

  1. add Ubuntu-test PPA
    add-apt-repository ppa:ubuntu-toolchain-r/test
    apt update
    
  2. install the most recent Gfortran (similarly for gcc-8, g++-8)
    apt install gfortran-8
    
  3. Switch between compiler versions with update-alternatives.

A popular alternative is Linuxbrew, which is a fork of Mac homebrew.

Notes

  • If you’re having errors getting any version of gfortran installed, try:
    add-apt-repository universe
    
  • MacOS: install gfortran on Mac OS via homebrew:
    brew install gcc
    

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Written by Michael Hirsch, Ph.D. //

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