common.opt (Wlarger-than=): New.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* common.opt (Wlarger-than=): New.
	* doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
	-Wlarger-than=.
	* opts.c (common_handle_option): Handle -Wlarger-than=.
	* optc-gen.awk: Likewise.
	* opth-gen.awk: Likewise.
	* stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
testsuite/
	* gcc.dg/Wlarger-than2.c: New.

From-SVN: r132674

1 files changed, 5 insertions, 0 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index 8bee44b..445cec3 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1540,6 +1540,11 @@ common_handle_option (size_t scode, const char *arg, int value,
       break;
 
     case OPT_Wlarger_than_:
+      /* This form corresponds to -Wlarger-than-.  
+	 Kept for backward compatibility. 
+	 Don't use it as the first argument of warning().  */
+
+    case OPT_Wlarger_than_eq:
       larger_than_size = value;
       warn_larger_than = value != -1;
       break;