On Fri, Mar 8, 2013 at 3:46 PM, Tejashri Kandolkar <
tejashri.kandol...@gmail.com> wrote:
> Thanks Christoph, thanks for the help.
>
> However I found the issue.
> The issue is that somehow matplotlib_release variant linked to the debug
> lib of libpng.
> And so on a non-developer machine, which dosent have msvcr90d.dll (debug
> crt), DLL Load fails.
>
> So now I have another question:
>
> I have built the static libs of freetype, libpng (and zlib which is
> required by libpng) from source
> And I mention the paths of these static libs in setupext.py (by modifying
> "basedir") while building matplotlib.
>
> Now when matplotlib builds, and generates a _png.pyd, will it still need
> the static libs to be present in the location where the _png.pyd is present?
> What I understand is that it shouldn't since it is a static library and
> should be built into the binary.
>
> Why I am asking this is because I am unable to build the libpng DLLs (for
> some reason I dont know).
> So I have to go forward with the static lib approach.
>
> Thanks,
> Regards,
> Tej.
>
>
> On Thu, Mar 7, 2013 at 10:53 PM, Christoph Gohlke <cgoh...@uci.edu> wrote:
>
>> On 3/7/2013 8:39 AM, Christoph Gohlke wrote:
>> > On 3/7/2013 6:00 AM, Tejashri Kandolkar wrote:
>> >> Hi,
>> >>
>> >> I built matplotlib1.2.0 with python3.2 on Windows7 from source.
>> >> I built the libpng and freetype libs and linked them statically to
>> >> matplotlib.
>> >>
>> >> Everything works fine on my machine, I can run the matplotlib examples
>> etc
>> >> But on a new Win7 machine(with the exact same configuration as mine,
>> >> except a few softwares), I get the following error when i try to import
>> >> png module like this:
>> >>
>> >> import matplotlib._png
>> >>
>> >> ImportError: DLL load failed: The application has failed to start
>> >> because its side-by-side configuration is incorrect. Please see the
>> >> application event log or use the command-line sxstrace.exe tool for
>> more
>> >> detail.
>> >>
>> >>
>> >> I used the dependency walker and found that pyd_ DLL was indeed having
>> >> issues during load.
>> >>
>> >> What could be the reason. Surprisingly it works all fine on my machine.
>> >>
>> >>
>> >> Regards,
>> >> Tej
>> >>
>> >
>> > Assuming this is 32 bit Python, install the Microsoft Visual C++ 2008
>> > Redistributable Package (x86) <from
>> > http://www.microsoft.com/en-us/download/details.aspx?id=29>
>> >
>>
>> Besides that, look for extra msvcp90.dll or msvcr90.dll files in PATH
>> (for example MikteX is known for that) and resolve conflicts.
>>
>> Christoph
>>
>>
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>
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