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Date: Wed, 26 Aug 2015 19:04:05 +0200
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Subject: Re: Fwd: Problem executing m4 (127 error, but it is installed)
From: =?UTF-8?Q?Kizito_Porta_Balany=C3=A0?= <kfeina AT gmail DOT com>
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2015-08-26 18:29 GMT+02:00 Eric Blake <eblake AT redhat DOT com>:
> On 08/26/2015 10:11 AM, Kizito Porta Balanyà wrote:
>>> Probably a missing dll.  What does:
>>>
>>> cygcheck m4
>>>
>>> state?  I'm guessing you may be missing libsigsegv2, which would show up
>>> as 'cygcheck: track_down: could not find cygsigsegv-2.dll'?  If so,
>>> rerun setup.exe to install it (however, the m4 dependencies should
>>> automatically be pulling it in).
>>
>> cygcheck returns no error (no missing cygsigsegv-2.dll):
>
> Bummer, then something else is wrong.
>
>>
>> $ cygcheck m4
>> Found: C:\Windows\KSR\bin\m4.exe
>> Found: C:\Windows\KSR\bin\m4.exe
>> C:\Windows\KSR\bin\m4.exe
>>   C:\Windows\KSR\bin\cygwin1.dll
> ...
>>   C:\Windows\KSR\bin\cygsigsegv-2.dll
>
> Looks like the executable is fine, then. Maybe it's a virus scanner
> interfering, even though you said you've exempted things?  Also, are you
> sure you are getting the correct m4?  What does:

Sure, cygwin folder is excluded, but Symantec is Symantec.
Due that I can't stop Symantec via services, I rebooted the server and
now m4 works as expected.

Sorry again for the inconvenience. Thanks to your information I
discovered what passed.

Thanks a lot again.

Regards.
>
> $ type m4
>
> say?  What about trying to execute it by absolute path:
>
> $ /bin/m4 --version
> $ /cygdrive/c/Windows/KSR/bin/m4 --version
>
> Could it be a collision between a non-executable file named 'm4' vs. the
> normal 'm4.exe' that is confusing cygwin .exe magic?  Are you sure that
> nothing is messing with PATH and picking up a bogus m4 earlier in the
> lookup process?
>
> --
> Eric Blake   eblake redhat com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>

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