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Re: gcc 3.2's cpp breaks configure scripts
- From: kaih at khms dot westfalen dot de (Kai Henningsen)
- To: gcc at gcc dot gnu dot org
- Date: 01 Aug 2002 13:11:00 +0200
- Subject: Re: gcc 3.2's cpp breaks configure scripts
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firstname.lastname@example.org (Andreas Schwab) wrote on 31.07.02 in <email@example.com>:
> Jeff Garzik <firstname.lastname@example.org> writes:
> |> cpp is spitting out a warning about changing the search order of include
> |> directories, and this is breaking a _ton_ of configure scripts. I found
> |> this when I started rebuilding Mandrake with gcc-3.2 branch.
> |> Just a heads-up, since I'm too slack to file a formal bug report :) This
> |> is particularly subtle breakage sometimes, because sometimes the
> |> configure step will succeed, but the build will break, or lack features,
> |> due to the lack of HAVE_FOO_H defines.
> The Right Thing to do is not to add -I/usr/include because that can cause
> subtle breakage as well.
Or maybe the right thing is to fix autoconf so that it doesn't think a
warning is a fatal error.
I'd consider that a pretty serious (and really inexcusable) autoconf bug.