re PR fortran/40569 (F2008: Support COMPILER_OPTIONS() / COMPILER_VERSION())

re PR fortran/40569 (F2008: Support COMPILER_OPTIONS() / COMPILER_VERSION())

gcc/
2010-09-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40569
        PR fortran/40568
        * toplev.h (save_decoded_options, save_decoded_options_count):
        New global variables.
        * toplev.c (save_decoded_options, save_decoded_options_count):
        export variables.

gcc/fortran/
2010-09-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40569
        PR fortran/40568
        * intrinsic.c (add_functions): Make compiler_version and
        compiler_options CLASS_INQUIRY.
        * gfortran.h (gfc_get_option_string): New prototype.
        * intrinsic.texi (COMPILER_VERSION, COMPILER_OPTIONS):
        Add documentation.
        (C_SIZEOF): Mark as inquiry function of ISO_C_BINDING.
        (ISO_FORTRAN_ENV): Refer to COMPILER_VERSION and COMPILER_OPTIONS.
        (ISO_C_BINDING): Refer to C_SIZEOF.
        * options.c (gfc_get_option_string): New function.
        * simplify.c (gfc_simplify_compiler_options): Use it.
        (gfc_simplify_compiler_version): Include compiler name.

From-SVN: r164698