Fix -fno-lto (PR lto/46905)

gcc/ 2010-12-19 Andi Kleen <ak@linux.intel.com> PR lto/46905 * collect2.c (main): Handle -fno-lto. * opts.c (common_handle_option): Handle -fno-lto. From-SVN: r168071

Fix -fno-lto (PR lto/46905)
gcc/ 2010-12-19 Andi Kleen <ak@linux.intel.com> PR lto/46905 * collect2.c (main): Handle -fno-lto. * opts.c (common_handle_option): Handle -fno-lto. From-SVN: r168071
595c8dfa · Andi Kleen · Andi Kleen · ef7ed5df · 595c8dfa · 595c8dfa
Commit 595c8dfa authored Dec 19, 2010 by Andi Kleen Committed by Andi Kleen Dec 19, 2010
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gcc/ChangeLog
+6 -0

gcc/collect2.c
+2 -0

gcc/opts.c
+1 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2010-12-19  Andi Kleen	<ak@linux.intel.com>
+
+	PR lto/46905
+	* collect2.c (main): Handle -fno-lto.
+	* opts.c (common_handle_option): Handle -fno-lto.
+
 2010-12-19  Eric Botcazou  <ebotcazou@adacore.com>

 	PR target/46729
--- a/gcc/collect2.c
+++ b/gcc/collect2.c
@@ -1211,6 +1211,8 @@ main (int argc, char **argv)
        else if ((! strncmp (argv[i], "-flto=", 6)
 		  || ! strcmp (argv[i], "-flto")) && ! use_plugin)
 	  lto_mode = LTO_MODE_WHOPR;
+	else if (!strncmp (argv[i], "-fno-lto", 8))
+	  lto_mode = LTO_MODE_NONE;
        else if (! strcmp (argv[i], "-plugin"))
 	  {
 	    use_plugin = true;

--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1670,7 +1670,7 @@ common_handle_option (struct gcc_options *opts,
      break;

    case OPT_flto:
-      opts->x_flag_lto = "";
+      opts->x_flag_lto = value ? "" : NULL;
      break;

    case OPT_w: