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

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?

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