opts.c (finish_options): Imply -ffat-lto-objects with -fno-use-linker-plugin.

	* opts.c (finish_options): Imply -ffat-lto-objects with -fno-use-linker-plugin.
	* common.opt (fuse-linker-plugin): Add var.

From-SVN: r205110

gcc/ChangeLog

+2013-11-20  Jan Hubicka  <jh@suse.cz>
+
+	* opts.c (finish_options): Imply -ffat-lto-objects with -fno-use-linker-plugin.
+	* common.opt (fuse-linker-plugin): Add var.
+
 2013-11-20  Ilya Enkovich  <ilya.enkovich@intel.com>
 
 	* dbxout.c (dbxout_type): Ignore POINTER_BOUNDS_TYPE.

gcc/common.opt

@@ -2247,7 +2247,7 @@ Common Negative(fuse-ld=bfd)
 Use the gold linker instead of the default linker
 
 fuse-linker-plugin
-Common Undocumented
+Common Undocumented Var(flag_use_linker_plugin)
 
 ; Positive if we should track variables, negative if we should run
 ; the var-tracking pass only to discard debug annotations, zero if

gcc/opts.c

@@ -809,10 +809,13 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set,
 #else
       error_at (loc, "LTO support has not been enabled in this configuration");
 #endif
-      if (!opts->x_flag_fat_lto_objects && !HAVE_LTO_PLUGIN)
+      if (!opts->x_flag_fat_lto_objects
+	  && (!HAVE_LTO_PLUGIN
+	      || (opts_set->x_flag_use_linker_plugin
+		  && !opts->x_flag_use_linker_plugin)))
 	{
 	  if (opts_set->x_flag_fat_lto_objects)
-            error_at (loc, "-fno-fat-lto-objects are supported only with linker plugin.");
+            error_at (loc, "-fno-fat-lto-objects are supported only with linker plugin");
 	  opts->x_flag_fat_lto_objects = 1;
 	}
     }