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Re: [Xen-devel] Build problems with xen 4.7

>>> On 01.12.15 at 15:36, <konrad.wilk@xxxxxxxxxx> wrote:
> On December 1, 2015 8:19:32 AM EST, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>>> On 01.12.15 at 00:37, <m.a.young@xxxxxxxxxxxx> wrote:
>>> When I try to build the current xen 4.7 master I get the following
>>> <command-line>:0:0: error: "__OBJECT_FILE__" redefined [-Werror]
>>> <command-line>:0:0: note: this is the location of the previous
>>> cc1: all warnings being treated as errors
>>> The problem seems to be that -D__OBJECT_FILE__= is set each time 
>>> xen/Rules.mk is called, which happens more than once because of
>>> makes resulting in multiple diffent values for -D__OBJECT_FILE__=
>>Considering you're the first one to have such a problem, I think the
>>precise compiler version you use matters here. Also the redundant
>>definitions shouldn't be different, and identical re-definition should
>>not yield a diagnostic. So I think there's a little more data you need
>>to supply in order to determine whether we need to adjust something.
> Ccing Marcos who also saw this. Marcos do you remember the git commit that 
> caused this?

There's no question about when this got introduced. What we need
to understand is why this is an issue only for very few people.


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