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Re: [Xen-devel] Mini-os fbfront.c unused variable complaint


I would expect most use of mini-os would involve lots of locally hacking the 
source anyways (we do) and likely to raise this warning again. So it is 
probably the best choice to disable?


On Feb 9, 2012, at 12:20 PM, Ian Jackson wrote:

> John McDermott CIV writes ("Re: [Xen-devel] Mini-os fbfront.c unused variable 
> complaint"):
>> There is also an unused variable warning in xenbus/xenbus.c. I think the 
>> compiler should not be warning about this, as the reasonable definition of 
>> the local DEBUG macro is the cause? Anyways, here is an ugly fix that shows 
>> where the problem is raised. I tried the old trick of defining the variables 
>> as volatile, but the new gcc won't let it go by. It won't hurt my feelings 
>> if you don't use this patch.
> Urgh, that "fix" really is very ugly as you say.  I think I'm sold on
> disable the warning.
> Ian.

What is the formal meaning of the one-line program
#include "/dev/tty"

J.P. McDermott                  building 12
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Naval Research Laboratory       voice: +1 202.404.8301
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