[Bug lto/47241] lto not work on mingw32, reporting 'ld.exe: could not unlink output file'
coolypf at qq dot com
gcc-bugzilla@gcc.gnu.org
Wed Feb 9 03:57:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47241
coolypf <coolypf at qq dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution| |FIXED
--- Comment #3 from coolypf <coolypf at qq dot com> 2011-02-09 03:32:28 UTC ---
(In reply to comment #2)
> 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");
> }
It does not fix the problem.
But the following code WORKS:
if (t != 0 && errno == 13) t = 0;
Something related to unlink is not implemented in mingw.
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