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Subject:	Re: Application not working in 64-bit cygwin cygwin/X
To:	cygwin AT cygwin DOT com
References:	<CAGX=k3FLakLze4XzYy7kQ8=xQQ=jKrUiZDPsvmR33OXE9eFdsQ AT mail DOT gmail DOT com> <56E3504C DOT 4030805 AT tiscali DOT co DOT uk>
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID:	<56E3B6EA.8070002@gmail.com>
Date:	Sat, 12 Mar 2016 07:27:54 +0100
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On 12/03/2016 00:10, David Stacey wrote:
> On 11/03/16 14:23, Girish Joglekar wrote:
>> I have cleaned up the test example based on X-Windows/Motif which crashes
>> on 64-bit cygwin cygwin/X but runs on the 32-bit version. The only
>> warnings are of the type 'variable set but not used'.
>>
>> Here is the link to the tar file.
>>
>> https://www.dropbox.com/s/lknuoac64hfql4s/test.tar?dl=0
>>
>> Hope you can reproduce the behavior and fix the problem.
>
> I tried this on Fedora 23 64-bit and it works. I had to add an empty
> utcrcu.h file, as the code tries to #include this, and it doesn't exist
> in the tar file. Given that it runs in 64-bit Linux, the problem is
> unlikely to be an issue associated with porting 32-bit applications to
> 64-bit.
>
> Dave.
>

it can be a bug not triggered on linux due the difference in managing 
function arguments in the stack.

I catch one some time ago in netcdf
https://cygwin.com/ml/cygwin/2015-11/msg00102.html

Of course it can also be a bug in Xt itself.

Regards
Marco


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