Patch: automatic dependencies for gcc

[Richard Guenther]

On Thu, Mar 27, 2008 at 3:18 PM, Tom Tromey <tromey@redhat.com> wrote:
> Richard> If you touch Makefile.in and then do make -j2 cc1, make goes
>  Richard> into an infinite loop for me (3.81).
>
>  Well, this looks really bad.  I think this is a GNU make bug:
>
>  https://savannah.gnu.org/bugs/?3330
>  https://savannah.gnu.org/bugs/?func=detailitem&item_id=15919
>
>  Our circumstances aren't identical to what is in those reports, but
>  the symptoms are the same.  This is fixed in cvs, but that won't do us
>  any good until there is a make release and then time for that release
>  to get out to everybody.
>
>  I am not sure what to do.  I tried a few attempts to work around the
>  bug, but I couldn't make it work.  I'm out of ideas for fixes.
>
>  I'll prepare a patch to revert this change.  Let me know what you think.

Well, as this only affects re-builds (?) in gcc/ it isn't fatal (I
just hit Ctrl-C
and make again, that makes it work).

Richard.