[Bug driver/86030] specs file processing does not create response files for input directories

[tnfchris at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86030

--- Comment #3 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Hmm according to 45749 with `HAVE_GNU_LD` on it should work for the ld call. I
will give that a try.

But the environment variable one is still an issue as far as I can tell.