Re: [Xen-devel] EXTRA_CFLAGS when compiling Xen

[Corneliu ZUZU <czuzu@xxxxxxxxxxxxxxx>]

On 2/17/2016 12:34 PM, Jan Beulich wrote:
> > The reason I need this is to pass '-save-temps' to GCC, I want to inspect
> > some code
> > and it would be easier to do that on the preprocessed files.
> ... there's absolutely no need to for a case like this, at least as
> long as the xen/ subtree is where you want to do this.
> xen/Rules.mk has rules for what you want (and also for
> producing the intermediate assembly file), just that you can't
> achieve this by invoking make from the top level directory -
> you need to run make directly in xen/ and manually specify
> the intended target (including leading sub-directories).
>
> Jan
I wouldn't want to needlessly insist, but of course a canonical way to 
do this would be preferred.
I do see the %.i targets there in Rules.mk invoking the preprocessor, 
but I haven't yet figured how to make those execute.
Could you detail what make args would activate execution of the %.i targets?
This is not so important since for now Razvan's suggestion does the 
trick (or adding %.i as a dependency for %.o in Rules.mk),
but I thought it would be nice for future reference, so only respond 
when/if you have the time/disposition.
Thanks,
Corneliu.

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