[Insight-developers] Debian Sid _nrrdRead: sanity check FAILED

[Bradley Lowekamp]

Hi Steve,

I got a bump on by gcc on my amd64 Debian Sid to version 4.7.1-2.

I am curious if this particular patch is still needed or if they fixed the bug in the compiler.

Could you try the build on a i386 system?

If you just revert the commit:

 git revert 21da36bc995a0628006b486ac7c66003f6cf07d8

you should be good to give it a compile and test, after that command.

Brad

On Jun 29, 2012, at 1:49 AM, Steve M. Robbins wrote:

> On Tue, Jun 19, 2012 at 12:34:43AM -0500, Gordon L. Kindlmann wrote:
>> 
>> So the patch does make the build problem go away, by turning off the run-time error checking of whether the compile-time assumptions about the platform match what is seen at run-time.
>> 
>> Does anyone understand why the code is actually failing though?  
> 
> No, but I tend to suspect a compiler bug.  The code fails with gcc 4.7
> at optimization level -O1 or higher.  It passes with -O0.  It also
> passes using gcc 4.6 with optimization up to -O3.
> 
> 
> -Steve
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========================================================
Bradley Lowekamp  
Medical Science and Computing for
Office of High Performance Computing and Communications
National Library of Medicine 
blowekamp at mail.nih.gov



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