common.opt (fuse-linker-plugin): New option.

2009-10-28  Rafael Avila de Espindola  <espindola@google.com>

	* common.opt (fuse-linker-plugin): New option.
	* gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
	fuse-linker-plugin.
	* opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.

From-SVN: r153683

gcc/ChangeLog

+2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
+
+	* common.opt (fuse-linker-plugin): New option.
+	* gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
+	fuse-linker-plugin.
+	* opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
+
 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
 
 	PR rtl-optimization/39715

gcc/common.opt

@@ -1391,6 +1391,9 @@ funwind-tables
 Common Report Var(flag_unwind_tables) Optimization
 Just generate unwind tables for exception handling
 
+fuse-linker-plugin
+Common Undocumented
+
 fvar-tracking
 Common Report Var(flag_var_tracking) VarExists Optimization
 Perform variable tracking

gcc/gcc.c

@@ -770,7 +770,7 @@ proper position among the other output files.  */
 #define LINK_COMMAND_SPEC "\
 %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
     %(linker) \
-    %{use-linker-plugin: \
+    %{fuse-linker-plugin: \
     -plugin %(linker_plugin_file) \
     -plugin-opt=%(lto_wrapper) \
     -plugin-opt=%(lto_gcc) \
@@ -7513,7 +7513,7 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
   if (num_linker_inputs > 0 && error_count == 0 && print_subprocess_help < 2)
     {
       int tmp = execution_count;
-      const char *use_linker_plugin = "use-linker-plugin";
+      const char *fuse_linker_plugin = "fuse-linker-plugin";
 
       /* We'll use ld if we can't find collect2.  */
       if (! strcmp (linker_name_spec, "collect2"))
@@ -7523,14 +7523,14 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
 	    linker_name_spec = "ld";
 	}
 
-      if (switch_matches (use_linker_plugin,
-			  use_linker_plugin + strlen (use_linker_plugin), 0))
+      if (switch_matches (fuse_linker_plugin,
+			  fuse_linker_plugin + strlen (fuse_linker_plugin), 0))
 	{
 	  linker_plugin_file_spec = find_a_file (&exec_prefixes,
 						 "liblto_plugin.so", X_OK,
 						 false);
 	  if (!linker_plugin_file_spec)
-	    fatal ("-use-linker-plugin, but liblto_plugin.so not found");
+	    fatal ("-fuse-linker-plugin, but liblto_plugin.so not found");
 
 	  lto_libgcc_spec = find_a_file (&startfile_prefixes, "libgcc.a",
 					 R_OK, true);

gcc/opts.c

@@ -2102,6 +2102,10 @@ common_handle_option (size_t scode, const char *arg, int value,
       /* These are no-ops, preserved for backward compatibility.  */
       break;
 
+    case OPT_fuse_linker_plugin:
+      /* No-op. Used by the driver and passed to us because it starts with f.*/
+      break;
+
     default:
       /* If the flag was handled in a standard way, assume the lack of
 	 processing here is intentional.  */