On Sun, Oct 21, 2007 at 12:15:48PM -0700, H. Peter Anvin wrote:
> Gabriel C wrote:
> >>>BITS_PER_LONG was originally set in <asm/types.h>:
> >>>
> >>> 39 #ifdef CONFIG_X86_32
> >>> 40 # define BITS_PER_LONG 32
> >>> 41 #else
> >>> 42 # define BITS_PER_LONG 64
> >>> 43 #endif
> >>User land does not know anything about 'CONFIG_X86_32' right ?
>
> Wait... this is *user mode* code at this point?
No - it is a kernel module.
But what a messy codebase to look at...
>
> Linux kernel headers aren't includable from user space without
> processing them through "make headers_install".
>
> However, from looking at the filenames in your list, it doesn't look
> like userspace code at all (although they're wrappered to the degree
> that it's somewhat hard to tell.) Thus, you're building a kernel
> module, not userland.
>
> >That is the problem. I've changed the headers virtualbox need from
> >
> >#ifdef CONFIG_X86_32 to #ifdef __i386__ and all compiled fine.
> >
> >( subarch headers includes are changed manually still but I think it is
> >the same problem )
> >
> >Also all the headers got these defines with CONFIG_X86_32 does not work.
> >
> >...
> >
> >#ifdef CONFIG_X86_32
> ># include "foo_32.h"
> >#else
> ># include "foo_64.h"
> >#endif
> >
> >...
> >
> >results in including both header files on my i686 box.
> >
> >I don't know what the right way is to fix that , define some who
> >CONFIG_X86_32 to __i386__ ? or just s/CONFIG_X86_32/__i386__/ ?
>
> It sounds like something is seriously broken in your setup, or in the
> VirtualBox makefiles. From the looks of it, I would say the latter.
>From the file "the-linux-kernel.h":
/*
* Include iprt/types.h to install the bool wrappers.
* Then use the linux bool type for all the stuff include here.
*/
#include <iprt/types.h>
#define bool linux_bool
And that file named "types.h" is not a kernel types.h - so we miss that
file. I guess it was pulled in by some other headerfile in the past.
But I also notice that it latest source from VirtualBox the
line number for include of spinlock-h does not match.
This is most likely a combination of VirtualBox doing strange strange things
and some deep dependency missing in one of the headerfiles.
Add a #include <linux/types.h> to the-linux-kernel.h and let us know if it
helps.
Sam
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