[Bug lto/47241] lto not work on mingw32, reporting 'ld.exe: could not unlink output file'

[ktietz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47241

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2011.02.08 15:38:59
                 CC|                            |ktietz at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #2 from Kai Tietz <ktietz at gcc dot gnu.org> 2011-02-08 15:38:59 
UTC ---
Hmm, this could be related to wrapper and file-removing there.

Does this patch fixes the issue you have?

Index: lto-plugin.c
===================================================================
--- lto-plugin.c        (revision 169926)
+++ lto-plugin.c        (working copy)
@@ -660,12 +660,14 @@
   if (arguments_file_name)
     {
       t = unlink (arguments_file_name);
+      if (t != 0 && errno == ENOENT) t = 0;
       check (t == 0, LDPL_FATAL, "could not unlink arguments file");
     }

   for (i = 0; i < num_output_files; i++)
     {
       t = unlink (output_files[i]);
+      if (t != 0 && errno == ENOENT) t = 0;
       check (t == 0, LDPL_FATAL, "could not unlink output file");
     }