On 09/16/2010 08:21 PM, Christoph Gohlke wrote:
>
>
> On 9/16/2010 8:15 PM, Jason Grout wrote:
>> On 9/16/10 10:00 PM, Eric Firing wrote:
>>> On 09/16/2010 04:12 PM, Jason Grout wrote:
>>>> On 9/16/10 9:03 PM, Jason Grout wrote:
>>>>> On 9/16/10 8:00 PM, Eric Firing wrote:
>>>>>
>>>>>>>> I tested your patch with Ubuntu 10.10, and it failed. The problem is
>>>>>>>> that something is including setjmp.h before libpng.h tries to do so via
>>>>>>>> pngconf.h, resulting in an error as the compiler trips over the
>>>>>>>> following:
>>>>>>>
>>>>>>
>>>>>> Python.h includes pyfpe.h which includes setjmp.h.
>>>>>>
>>>>>> Eric
>>>>>>
>>>>>
>>>>> Ah, good catch.  So we just need to include Python.h first, and then set
>>>>> that extra #def so that libpng doesn't try to include it?
>>>>>
>>>>> #include "Python.h"
>>>>> #def PNG_SKIP_SETJMP_CHECK
>>>>> #include<png.h>
>>>>>
>>>>
>>>> Let me try again:
>>>>
>>>> In _backend_agg.cpp and _png.cpp, just add
>>>>
>>>> #define PNG_SKIP_SETJMP_CHECK
>>>>
>>>> right above
>>>>
>>>> #include<png.h>
>>>>
>>>> Does that fix it?
>>>
>>> Sure does.  Your patch with that modification is committed to branch and
>>> trunk, 8706, 8707.  Thank you!
>>>
>>
>> Did someone check on Windows?  I was hoping things wouldn't break in
>> WrapPython.h when I switched the order of includes, but you never know...
>>
>> Jason
>
> Trunk and 1.0 branch build OK on Windows.

Christoph,

Once again, thanks very much for testing on Windows.

I found a problem on linux (or rather, the buildbot found it because it 
is running an older version) so I have committed one more change to the 
branch.  If that survives the buildbot, I will propagate it to the 
trunk, but I don't consider it the last word; I am hoping that someone 
else can do a better job of cleaning this up.

Eric

>
> --
> Christoph

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