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

.. index:: option specification files, optc-gen.awk

.. _options:

Option specification files
--------------------------

Most GCC command-line options are described by special option
definition files, the names of which conventionally end in
``.opt``.  This chapter describes the format of these files.

.. toctree::
  :maxdepth: 2

  option-file-format
  option-properties