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Re: [PATCH] Remove CPPFLAGS_XEN


From: Andrei Borzenkov
Subject: Re: [PATCH] Remove CPPFLAGS_XEN
Date: Wed, 13 May 2015 20:27:40 +0300

В Wed, 13 May 2015 17:30:41 +0200
Olaf Hering <address@hidden> пишет:

> On Wed, May 13, Olaf Hering wrote:
> 
> > On Mon, May 11, Olaf Hering wrote:
> > > Looking at configure I see also TARGET_CPPFLAGS and HOST_CPPFLAGS.
> > > Perhaps the former should be used for grub, I will try that.
> > Setting TARGET_CPPFLAGS works.
> 
> And after poking further at this, should there be a configure option
> with sets the path to the xen headers?
> I see configure looks for zfs and lzma. But the libs and headers are
> appearently used just for host tools. In case of xen/xen.h they are used
> only for the target (if that is the right term). It looks like stdint.h
> should come from the internal posix_wrap, and xen/xen.h should come from
> whatever location is specified.
> 
> Another option would be to include the few required xen things into grub
> itself.

That sounds like the best approach. We really try to have self
contained environment to build target.

>         After all thats what the Linux kernel does, the API is not
> supposed to change AFAIK. This would remove the need for a configure
> knob or an odd private Makefile variable.
> 
> Olaf
> 
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