[SciPy-user] Problem with Weave

Bob.Cowdery at CGI-Europe.com Bob.Cowdery at CGI-Europe.com
Fri Jul 9 07:44:50 CDT 2004

I am about to convert some python code to 'C' so am going through the Weave
documentation. I can get most things to work except returning values from
the 'C' code. I would guess the correct libraries are not getting into the
compile but I don't know how to fix it. I can compile and run any 'C' code
fine until I use any of the Py:: classes.
As an example if I type:
>>> import weave 
>>> a=1
>>> a=weave.inline("return_val = Py::new_reference_to(Py::Int(a+1));",['a'],
this gives me:
file changed
running build_ext
building 'sc_5b09eaf68ff529a1fbaedc892ca5a4531' extension
C:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\bin\cl.exe /c /nologo
/Ox /MD /W3 /GX -IC:\Python22\lib\site-packages\weave
-IC:\Python22\lib\site-packages\weave\scxx -IC:\Python22\include
Traceback (most recent call last):
  File "<input>", line 1, in ?
  File "C:\Python22\lib\site-packages\weave\inline_tools.py", line 335, in
    auto_downcast = auto_downcast,
  File "C:\Python22\lib\site-packages\weave\inline_tools.py", line 439, in
    verbose=verbose, **kw)
  File "C:\Python22\lib\site-packages\weave\ext_tools.py", line 340, in
    verbose = verbose, **kw)
  File "C:\Python22\lib\site-packages\weave\build_tools.py", line 272, in
    setup(name = module_name, ext_modules = [ext],verbose=verb)
  File "C:\Python22\lib\site-packages\scipy_distutils\core.py", line 42, in
    return old_setup(**new_attr)
  File "C:\Python22\lib\distutils\core.py", line 157, in setup
    raise SystemExit, "error: " + str(msg)
CompileError: error: command '"C:\Program Files\Microsoft Visual Studio .NET
2003\Vc7\bin\cl.exe"' failed with exit status 2
Any help appreciated.
Bob Cowdery
CGI Senior Technical Architect
+44(0)1438 791517
Mobile: +44(0)7771 532138
bob.cowdery at cgi-europe.com <mailto:bob.cowdery at cgi-europe.com> 

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