[SciPy-dev] patch to fix numpy PyArray_GetNDArrayCVersion() implementation

Andrew Straw strawman at astraw.com
Mon Jan 23 21:08:59 CST 2006


OK, since no one seems to be biting, let me include the full source and 
setup.py so that anyone can see the problem by doing a simple "python 
setup.py build".

Andrew Straw wrote:

>With current NumPy, the following file will no longer compile as C++:
>
>#include "Python.h"
>#include <X11/Xlib.h>
>#define PY_ARRAY_TYPES_PREFIX SomeUnlikelyString
>#include "numpy/arrayobject.h"
>
>Here's an extract from the build log:
>
>building 'numpy_bool_redefinition.test' extension
>gcc options: '-pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall
>-Wstrict-prototypes -fPIC'
>compile options:
>'-I/home/astraw/py24-amd64/lib/python2.4/site-packages/numpy-0.9.5.1980-py2.4-linux-x86_64.egg/numpy/core/include
>-I/usr/include/python2.4 -I/home/astraw/py24-amd64/include/python2.4
>-I/usr/include/python2.4 -c'
>gcc: src/test.cpp
>In file included from src/test.cpp:3:
>/home/astraw/py24-amd64/lib/python2.4/site-packages/numpy-0.9.5.1980-py2.4-linux-x86_64.egg/numpy/core/include/numpy/arrayobject.h:110:
>error: redeclaration
>   of C++ built-in type `int'
>In file included from src/test.cpp:3:
>/home/astraw/py24-amd64/lib/python2.4/site-packages/numpy-0.9.5.1980-py2.4-linux-x86_64.egg/numpy/core/include/numpy/arrayobject.h:110:
>error: redeclaration
>   of C++ built-in type `int'
>
>I don't pretend to completely understand what's going on, but it seems
>to involve the numpy/C++ naming magic of "uint". If I change the
>function definition to "unsigned int" in
>numpy/core/src/multiarraymodule.c, the issue is gone.
>
>Let me know if more info/testing is needed...
>  
>
>------------------------------------------------------------------------
>
>Index: numpy/core/src/multiarraymodule.c
>===================================================================
>--- numpy/core/src/multiarraymodule.c   (revision 1980)
>+++ numpy/core/src/multiarraymodule.c   (working copy)
>@@ -5112,8 +5112,8 @@
> /*MULTIARRAY_API
>  GetNDArrayCVersion
> */
>-static uint
>+static unsigned int
> PyArray_GetNDArrayCVersion(void)
> {
>-       return (uint)NDARRAY_VERSION;
>+       return (unsigned int)NDARRAY_VERSION;
> }
>
> static char
>  
>
>------------------------------------------------------------------------
>
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>Scipy-dev at scipy.net
>http://www.scipy.net/mailman/listinfo/scipy-dev
>  
>

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