Re: lib/44998: userland change breaks Xen kernel compile

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

On 28.05.11 19:00, David Holland wrote:
> The following reply was made to PR lib/44998; it has been noted by GNATS.
> 
> From: David Holland <dholland-bugs%netbsd.org@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: 
> Subject: Re: lib/44998: userland change breaks Xen kernel compile
> Date: Sat, 28 May 2011 16:57:56 +0000
> 
>  On Fri, May 27, 2011 at 11:40:00AM +0000, Christoph_Egger%gmx.de@localhost 
> wrote:
>   > Xen 3.3 and 4.1 kernels compile well with 5.99.44 userland.
>   > However with a 5.99.52 userland Xen kernel stops compiling:
>   > [snip]
>   > gcc [...] -nostdinc [...] x86_64/asm-offsets.c
>   > [...]
>   > 
> /tmp/pkgsrc-obj/sysutils/xenkernel41/work.ixp/xen-4.1.0/xen/include/xen/stdarg.h:4:22:
>  error: stdarg.h: No such file or directory
>   > [...]
>   > 
>   > [...]
>   >
>   > sysutils/xenkernel41 contains a patch to get around this.
>   > To bring this patch upstream I need an explanation why this
>   > patch is suddenly needed.
>  
>  Did you even read tnn's commit message, or the compiler error output?
>  It's trying to do #include <stdarg.h> while using -nostdinc.

Yes, but why does it compile with 5.99.44 userland regardless ?

Christoph