linux-kernel - Re: Linux Kernel include files

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Message-Id: <1182785277.12109.121.camel@pmac.infradead.org>
Date:	Mon, 25 Jun 2007 16:27:57 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Joerg Schilling <Joerg.Schilling@...us.fraunhofer.de>
Cc:	schilling@...us.fraunhofer.de, linux-kernel@...r.kernel.org,
	david@...g.hm
Subject: Re: Linux Kernel include files

On Mon, 2007-06-25 at 17:17 +0200, Joerg Schilling wrote:
> David Woodhouse <dwmw2@...radead.org> wrote:
> > On Fri, 2007-06-22 at 01:38 +0200, Joerg Schilling wrote:
> A kernel include file that defines an interface to a user space program
> should be self containing (that means that all includes for all non-standard
> types should be done inside these include files). Whether or not C-99 
> types are used or not is less important than to use type definitions written 
> in clean C so compilers other than gcc may use them.

Yes. In general we try to achieve this. Most header files should include
<asm/types.h>, which tends to define the types we use in terms which
should work in any compiler.

> >  Can you be more specific about why this is a problem? Don't
> > we mostly define those crappy types using arch-specific knowledge, as
> > 'int', 'long', etc?
> 
> I recommend you to install Sun Studio and to try to compile star or cdrtools
> using Sun Studio by calling "make CCOM_suncc".
>
> ftp://ftp.berlios.de/pub/star/alpha/
> ftp://ftp.berlios.de/pub/cdrecord/alpha/
> 
> You may need to hand edit the file incs/<arch-dir>/{xconfig.h!rules.conf}
> 
> in order to enable the auto-disabled features.
> 
> In any case, self reading the error messages from Sun Studio helps more than
> trying to discuss it.

I have no interest in doing this for myself, and I suspect that if I
tried it I'd find that Sun Studio doesn't exist for Linux/PowerPC
anyway. Please just show the error messages.

-- 
dwmw2

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