common.opt (fdiagnostics-show-option): No variable is needed.

* common.opt (fdiagnostics-show-option): No variable is needed.
* diagnostic.h (diagnostic_context): Add show_option_requested flag.
* diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
(diagnostic_report_diagnostic): Test for enabled diagnostics here.
Save and restore original message format.  Use flag in context
instead of global.
(warning): Don't test for enabled warnings here.
* opts.c (common_handle_option): Handle -fdiagnostics-show-option
here.

From-SVN: r99204

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index 4311f4c..97f8931 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -818,6 +818,10 @@ common_handle_option (size_t scode, const char *arg, int value)
 	return 0;
       break;
 
+    case OPT_fdiagnostics_show_option:
+      global_dc->show_option_requested = true;
+      break;
+
     case OPT_fdump_:
       if (!dump_switch_p (arg))
 	return 0;