Date: Mon, 09 Jul 2001 09:23:10 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: mjacob@feral.com Cc: obrien@FreeBSD.ORG, Kris Kennaway <kris@obsecurity.org>, Dag-Erling Smorgrav <des@ofug.org>, Jim Pirzyk <Jim.Pirzyk@disney.com>, freebsd-current@FreeBSD.ORG Subject: Re: chgrp broken on alpha systems Message-ID: <3B49DA6E.37507A67@mindspring.com> References: <Pine.BSF.4.21.0107052012000.37078-100000@beppo>
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Matthew Jacob wrote:
>
> Perhaps what we really need- and this is really a toolchain
> issues- is a compiler that is just as stringent on i386 as
> on alpha?
>
> I dunno- there used to be a flag to lint that would worn about
> non-portable size casts. Is there a gcc flag that would cover most
> of the heavy lifting for this on i386?
Some people at work recently put the anal flags on the
build tree, including "-ansi -pedantic".
It was quite annoying; for one thing, ANSI doesn't permit
unsigned char's to be used in bitfields, and there are a
number of KAME-derived IPv6 headers that do this.
So if you are going to make the compiler anal, you will
need to change these to "int" and use "#pragma pack(1)"
to keep the size the same. I'm not sure how happy this
type of thing would be on Alpha: there may be good reason
for the use of the unsigned char ("u_char") for these
fields.
-- Terry
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