[Ada] disable caret printing by default for Ada

[Eric Botcazou]

Like for front-end warnings.

Tested on i586-suse-linux, applied on the mainline.


2012-05-06  Eric Botcazou  <ebotca...@adacore.com>

        * gcc-interface/misc.c (gnat_post_options): Disable caret by default.


-- 
Eric Botcazou

Index: gcc-interface/misc.c
===================================================================
--- gcc-interface/misc.c	(revision 187074)
+++ gcc-interface/misc.c	(working copy)
@@ -235,6 +235,10 @@ gnat_post_options (const char **pfilenam
   /* No psABI change warnings for Ada.  */
   warn_psabi = 0;
 
+  /* No caret by default for Ada.  */
+  if (!global_options_set.x_flag_diagnostics_show_caret)
+    global_dc->show_caret = false;
+
   optimize = global_options.x_optimize;
   optimize_size = global_options.x_optimize_size;
   flag_compare_debug = global_options.x_flag_compare_debug;