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[Bug bootstrap/51388] Configure failure to detect unsupported warning options for non-bootstrap builds (including cross builds)
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 02 Dec 2011 16:20:56 +0000
- Subject: [Bug bootstrap/51388] Configure failure to detect unsupported warning options for non-bootstrap builds (including cross builds)
- Auto-submitted: auto-generated
- References: <bug-51388-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51388
--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-02 16:20:56 UTC ---
(In reply to comment #3)
> On Fri, Dec 2, 2011 at 3:51 PM, rguenth at gcc dot gnu.org
> <gcc-bugzilla@gcc.gnu.org> wrote:
> > I see
> >
> >> gcc-4.3 -c -Wno-narrowing t.c -DHAVE_ARG
> > cc1: error: unrecognized command line option "-Wno-narrowing"
> >
> > with FSF GCC 4.3.6. ÂSo, are you sure this isn't behavior caused by
> > vendor patches? Â(openSUSE GCC 4.3 also works)
>
> What do you see with "gcc-4.3 -c -Wno-narrowing t.c"?
>
> FWIW this is Debian GCC 4.3.2-1.1 on gcc17.
> /space/rguenther/install/gcc-4.3.2/bin/gcc -c -Wno-narrowing t.c
cc1: error: unrecognized command line option "-Wno-narrowing"