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Re: [Qemu-devel] [PATCH] fix missing event_notifier_init_fd() function o

From: Programmingkid
Subject: Re: [Qemu-devel] [PATCH] fix missing event_notifier_init_fd() function on Mac OS X
Date: Thu, 14 Apr 2016 14:24:35 -0400

On Apr 8, 2016, at 7:25 AM, Markus Armbruster wrote:

> [Wasn't delivered correctly by eggs.gnu.org, resending]
> Paolo Bonzini <address@hidden> writes:
>> On 30/03/2016 18:35, Programmingkid wrote:
>>> Remove macro that prevents event_notifier_init_fd() function from being 
>>> compiled on Mac OS X.
>>> This patch fixes this error:
>>> Undefined symbols for architecture x86_64:
>>>  "_event_notifier_init_fd", referenced from:
>>>      _process_msg in ivshmem.o
>>> ld: symbol(s) not found for architecture x86_64
>>> collect2: error: ld returned 1 exit status
>>> make[1]: *** [qemu-system-ppc] Error 1
>>> make: *** [subdir-ppc-softmmu] Error 2
>>> Signed-off-by: John Arbuckle <address@hidden>
>> This is intentional, this feature of ivshmem.o could never work on OS X.
>> I am not sure that failing the build is intentional.  Markus, any clue?
> ivshmem.o should only be linked when CONFIG_EVENTFD is set.  pci.mak has
> The compile error shown above indicates CONFIG_EVENTFD=y for make (since
> ivshmem.o gets linked), but !defined(CONFIG_EVENTFD) for C (or else
> event_notifier_init_fd() would exist).  Your build tree is messed up, or
> the makefiles are broken.  Try starting over with a fresh build tree.

I did a fresh clone of the QEMU repository. Then tried building QEMU. This is
the error I saw:

  CC    contrib/ivshmem-client/ivshmem-client.o
  CC    contrib/ivshmem-client/main.o
  LINK  ivshmem-client
collect2: error: ld terminated with signal 11 [Segmentation fault]
make: *** [ivshmem-client] Error 1
make: *** Deleting file `ivshmem-client'

It is different from the last error, but it still involves something called 

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