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Re: [RFC] PR 53063 encode group options in .opt files

On 2012/5/10 04:53 AM, Manuel López-Ibáñez wrote:
> 2012-05-09  Manuel López-Ibáñez  <>
> 	PR 53063
> gcc/
> 	* doc/options.texi (EnabledBy): Document
> 	* opts.c: Include opts.h and options.h before tm.h.
> 	(finish_options): Do not handle some sub-options here...
> 	(common_handle_option): ... instead call common_handle_option_auto here.
> 	* optc-gen.awk: Handle EnabledBy.
> 	* opth-gen.awk: Declare common_handle_option_auto.
> 	* common.opt (Wuninitialized): Use EnabledBy. Delete Init.
> 	(Wmaybe-uninitialized): Likewise.
>         (Wunused-but-set-variable): Likewise.
>         (Wunused-function): Likewise.
>         (Wunused-label): Likewise.
>         (Wunused-value): Likewise.
>         (Wunused-variable): Likewise.
>         * opt-read.awk: Create opt_numbers array.
> ada/
> 	* gcc-interface/misc.c (gnat_parse_file): Move before ...
> 	(gnat_handle_option): ... this. Use handle_generated_option.
> c-family/
> 	* c-opts.c (c_common_handle_option): Use handle_generated_option
> 	to enable sub-options.
> fortran/
> 	* options.c: Include diagnostics.h instead of
> 	diagnostics-core.h.
> 	(set_Wall): Do not see warn_unused here.
> 	(gfc_handle_option): Set it here using handle_generated_option.

I'm guessing these changes are the cause of a full C bootstrap
(--disable-build-poststage1-with-cxx) failure I'm seeing on trunk. The
*_handle_option_auto function prototypes are not seen in options.c, and
-Werror -Wmissing-prototypes are in effect (oddly, such strict checking
is not enforced in the default post-stage1 C++ bootstrap)

Here's a simple one-liner change that seems to make things
work. Okay to commit?


2012-05-17  Chung-Lin Tang  <>

	* (options.c): Add options.h to included header
	files, before tm.h.

Attachment: mk.diff
Description: Text document

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