* opts.h (struct cl_option): Add warn_message field.

	(struct cl_decoded_option): Add warn_message field.
	* doc/options.texi (Ignore, Warn): Document.
	* opt-functions.awk (needs_state_p): Don't consider aliases or
	ignored options to need state saved.
	* optc-gen.awk: Handle Warn and Ignore.
	* opth-gen.awk: Output OPT_SPECIAL_ignore.
	* opts-common.c (decode_cmdline_option): Set warn_message field.
	Handle ignored options.
	(decode_cmdline_options_to_array, generate_option,
	generate_option_input_file): Set warn_message field.
	(read_cmdline_option): Generate warnings from warn_message field.
	Handle ignored options.
	* common.opt (Wunreachable-code, fargument-alias,
	fargument-noalias, fargument-noalias-global,
	fargument-noalias-anything, fcse-skip-blocks, fforce-addr,
	floop-optimize, frerun-loop-opt, fsched2-use-traces, fsee,
	fstrength-reduce, ftree-store-ccp, ftree-store-copy-prop,
	ftree-salias): Mark Ignore.
	* config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -mcpu,
	-mintel-syntax and -mno-intel-syntax here.
	* config/i386/i386.opt (mcpu=, mintel-syntax): Define as aliases
	using Warn.
	* opts.c (common_handle_option): Don't handle options marked as
	ignored.
	(enable_warning_as_error): Handle ignored options.

c-family:
	* c.opt (Wimport, fall-virtual, falt-external-templates,
	fdefault-inline, fenum-int-equiv, fexternal-templates,
	fguiding-decls, fhonor-std, fhuge-objects, flabels-ok,
	fname-mangling-version-, fnew-abi, fnonnull-objects,
	foptional-diags, fsquangle, fstrict-prototype, fthis-is-variable,
	fvtable-gc, fvtable-thunks, fxref): Mark with Ignore and Warn as
	applicable.
	(fhandle-exceptions): Mark with Alias and Warn.
	* c-opts.c (c_common_handle_option): Don't handle options marked
	as ignored.

po:
	* exgettext: Handle {} in operand of MissingArgError.  Handle
	Warn.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163771 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/opts.h b/gcc/opts.h
index f3e01440a08..09e305b225b 100644
--- a/gcc/opts.h
+++ b/gcc/opts.h
@@ -45,6 +45,7 @@ struct cl_option
   const char *opt_text;
   const char *help;
   const char *missing_argument_error;
+  const char *warn_message;
   const char *alias_arg;
   const char *neg_alias_arg;
   unsigned short alias_target;
@@ -117,6 +118,9 @@ struct cl_decoded_option
      non-options and unknown options.  */
   size_t opt_index;
 
+  /* Any warning to give for use of this option, or NULL if none.  */
+  const char *warn_message;
+
   /* The string argument, or NULL if none.  For OPT_SPECIAL_* cases,
      the option or non-option command-line argument.  */
   const char *arg;