[Pkg-exppsy-pynifti] Unable to run nifti on Windows XP (missing msvcr80.dll)

[Michael Hanke]

Hi,

On Wed, Apr 08, 2009 at 12:23:57AM +0200, Vadim Axel wrote:
> Hi,
> I installed pynifti (pynifti-0.20090303.1.win32-py2.5.exe) for the first
> time (Windows XP OS, python 2.5.4).
> After calling import nifty I got the message about missing missing
> msvcr80.dll (which is C++ runtime library for MSVC 2005).
> I have MSVC 2005 installed on this computer, so I just copied the DLLs from
> C:\Program Files\Microsoft Visual Studio 8\VC\redist\x86\Microsoft.VC80.CRT
> to python root folder . However now  I am getting another annoying message
> about an error while loading C runtime library. An interesting thing that I

What error is that?

> discovered that msvcr71.dll already loaded in my python process. Can two
> runtimes coexist? Shouldn't it be compiled with the same C++ runtime version
> as the python?

Well, there are so many Python distributions compiled with whatever.
Typically, they are built with MS VC.... and I neither have a license
for it nor would I personally make use of it. I am building the windows
binaries with the same compiler that is used for all other operating
systems -- GCC.


> I tried different installations of pynifti, but the error
> persisted. I had no problem at with installing pyMVPA and all its
> prerequisites.
> Any ideas?

Not really. I know that DLL handling on Windows is quite a pain, but I
have no experience with conflicting libs. I know that some people even
have VC6 around and I cannot possibly support all combinations of
Python+Compiler.

I think the best way would be to tune up Makefile.win to provide you
with an easy possibility to build the installer yourself. Currently I do
this with mingw, but VC2005 should be capable of it as well -- did you
try?

  http://niftilib.sourceforge.net/pynifti/installation.html#compile-from-source

and especially

  http://niftilib.sourceforge.net/pynifti/installation.html#building-on-windows-systems

I'd be happy to update the documentation with a dedicated section on MS
VC in case you report problems.

Michael

-- 
GPG key:  1024D/3144BE0F Michael Hanke
http://apsy.gse.uni-magdeburg.de/hanke
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