..
  Copyright 1988-2022 Free Software Foundation, Inc.
  This is part of the GCC manual.
  For copying conditions, see the copyright.rst file.

The GNU Fortran Compiler
========================

.. index:: Introduction

This manual documents the use of :command:`gfortran`,
the GNU Fortran compiler.  You can find in this manual how to invoke
:command:`gfortran`, as well as its features and incompatibilities.

.. only:: development

  .. warning::

    This document, and the compiler it describes, are still
    under development.  While efforts are made to keep it up-to-date, it might
    not accurately reflect the status of the most recent GNU Fortran compiler.

.. toctree::
   :maxdepth: 3

   copyright
   introduction

Part I: Invoking GNU Fortran
----------------------------

.. toctree::
   :maxdepth: 3

   gnu-fortran-command-options
   runtime

Part II: Language Reference
---------------------------

.. toctree::
   :maxdepth: 3

   compiler-characteristics
   extensions
   mixed-language-programming
   coarray-programming
   intrinsic-procedures
   intrinsic-modules

   contributing
   general-public-license-3
   gnu-free-documentation-license
   funding

   indices-and-tables