gcc/fortran/doc/gfortran/intrinsic-procedures/compileroptions.rst

   1 ..
   2   Copyright 1988-2022 Free Software Foundation, Inc.
   3   This is part of the GCC manual.
   4   For copying conditions, see the copyright.rst file.
   5
   6 .. _compiler_options:
   7
   8 COMPILER_OPTIONS --- Options passed to the compiler
   9 ***************************************************
  10
  11 .. index:: COMPILER_OPTIONS, flags inquiry function, options inquiry function, compiler flags inquiry function
  12
  13 .. function:: COMPILER_OPTIONS()
  14
  15   ``COMPILER_OPTIONS`` returns a string with the options used for
  16   compiling.
  17
  18   :return:
  19     The return value is a default-kind string with system-dependent length.
  20     It contains the compiler flags used to compile the file, which called
  21     the ``COMPILER_OPTIONS`` intrinsic.
  22
  23   Standard:
  24     Fortran 2008
  25
  26   Class:
  27     Inquiry function of the module ``ISO_FORTRAN_ENV``
  28
  29   Syntax:
  30     .. code-block:: fortran
  31
  32       STR = COMPILER_OPTIONS()
  33
  34   Arguments:
  35     None
  36
  37   Example:
  38     .. code-block:: fortran
  39
  40          use iso_fortran_env
  41          print '(4a)', 'This file was compiled by ', &
  42                        compiler_version(), ' using the options ', &
  43                        compiler_options()
  44          end
  45
  46   See also:
  47     :ref:`COMPILER_VERSION`,
  48     :ref:`ISO_FORTRAN_ENV`