re PR c/53063 (encode group options in the .opt files)

2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	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.

From-SVN: r187403

1 files changed, 12 insertions, 9 deletions

diff --git a/gcc/ada/gcc-interface/misc.c b/gcc/ada/gcc-interface/misc.c
index 974827a..ad15f67 100644
--- a/gcc/ada/gcc-interface/misc.c
+++ b/gcc/ada/gcc-interface/misc.c
@@ -105,6 +105,14 @@ gnat_parse_file (void)
   _ada_gnat1drv ();
 }
 
+/* Return language mask for option processing.  */
+
+static unsigned int
+gnat_option_lang_mask (void)
+{
+  return CL_Ada;
+}
+
 /* Decode all the language specific options that cannot be decoded by GCC.
    The option decoding phase of GCC calls this routine on the flags that
    are marked as Ada-specific.  Return true on success or false on failure.  */
@@ -119,7 +127,10 @@ gnat_handle_option (size_t scode, const char *arg ATTRIBUTE_UNUSED, int value,
   switch (code)
     {
     case OPT_Wall:
-      warn_unused = value;
+      handle_generated_option (&global_options, &global_options_set,
+			       OPT_Wunused, NULL, value,
+			       gnat_option_lang_mask (), kind, loc,
+			       handlers, global_dc);
       warn_uninitialized = value;
       warn_maybe_uninitialized = value;
       break;
@@ -145,14 +156,6 @@ gnat_handle_option (size_t scode, const char *arg ATTRIBUTE_UNUSED, int value,
   return true;
 }
 
-/* Return language mask for option processing.  */
-
-static unsigned int
-gnat_option_lang_mask (void)
-{
-  return CL_Ada;
-}
-
 /* Initialize options structure OPTS.  */
 
 static void