[Insight-developers] ITK and gcc 4.4.0

[Arnaud Gelas]

Hi Luis,

I have updated the OS from Fedora Core 10 to Fedora Core 11, and the 
default compiler is now gcc 4.4.0

Arnaud

Luis Ibanez wrote:
>
> Hi Arnaud,
>
> Thanks for pointing this out.
>
> The warning
>
> **
> /.../Insight/Utilities/gdcm/src/gdcmDocument.cxx:2182: warning: dereferencing type-punned pointer will break strict-aliasing rules
>
>   
> **
>  for the expression:
>
>    char deb[256];
>    uint16_t  s16;
>
>    s16 = *((uint16_t *)(deb));
>
>
> Indicates a real problem.
>
>
> I believe, the correct way of performing this conversion
> is by using a union {}.
>
>
> We may have to rework some expressions to fix these
> warnings.
>
>
> Just out of curiosity:
> Did you updated gcc as a package ?
> or did you build it in your system ?
>
>
>
>    Thanks
>
>
>       Luis
>
>
> ---------------------------------------
> On Wed, Jun 10, 2009 at 9:31 AM, Arnaud Gelas 
> <arnaud_gelas at hms.harvard.edu <mailto:arnaud_gelas at hms.harvard.edu>> 
> wrote:
>
>     Hi guys,
>
>     Yesterday I updated sanchome's OS. From last night this machine
>     has now gcc 4.4.0 installed (despite it was reported gcc 4.3.2 on
>     the dashboard).
>     Apparently it has generated a lot of warnings...
>
>     http://www.cdash.org/CDash/viewBuildError.php?type=1&buildid=352211
>     <http://www.cdash.org/CDash/viewBuildError.php?type=1&buildid=352211>
>     http://www.cdash.org/CDash/viewBuildError.php?type=1&buildid=352274
>     <http://www.cdash.org/CDash/viewBuildError.php?type=1&buildid=352274>
>
>     Regards,
>     Arnaud
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