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Re: cairo and pycairo 0.6.0cvs win32 builds

by Vittorio Palmisano :: Rate this Message:

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Steve Chaplin ha scritto:

> Why does setup.py need:
> +import sys
> +if sys.platform == 'win32':
> + include_dirs += get_include('freetype2')
> + library_dirs += get_lib_dirs('freetype2')
> + libraries += get_libs('freetype2') + ['gdi32','msimg32']
>
> These cairo lines should pick up the freetype dependency
> +include_dirs = get_include('cairo')
> +library_dirs = get_lib_dirs('cairo')
> +libraries = get_libs('cairo')
>
> If its a problem with the names 'freetype' and 'freetype2' not matching
> then cairo or freetype should be patched.

Yes, I think it is a problem of freetype lib installed with mingw.

> I don't understand these lines:
> PyTypeObject PycairoContext_Type = {
> +#if defined(WIN32) || defined(__CYGWIN__)
> + PyObject_HEAD_INIT(NULL)
> +#else /* ! WIN32 */
> PyObject_HEAD_INIT(&PyType_Type)
> - 0, /* ob_size */
> +#endif
>
> The line "PyObject_HEAD_INIT(&PyType_Type)" is used in
> Python-2.4.1/Objects/listobject.c (and many other *.c files) so it looks
> like a standard Python statement, why does it need to be changed?
>
> gcc on Linux handles it OK. mingw uses gcc so I'd expect it to handle it
> just the same.

On win32 with gcc version 3.4.4 (mingw special) I get this error:

cairo/pycairo-pattern.c:250: error: initializer element is not constant
cairo/pycairo-pattern.c:250: error: (near initialization for
`PycairoPattern_Type.ob_type')
cairo/pycairo-pattern.c:281: error: initializer element is not constant
cairo/pycairo-pattern.c:281: error: (near initialization for
`PycairoPattern_Type.tp_base')
error: command 'gcc' failed with exit status 1

a similar problem is reported here:
<http://sourceforge.net/mailarchive/forum.php?forum_id=4026&max_rows=25&style=nested&viewmonth=200504>

- --
/Vittorio Palmisano/
Home Page: http://redclay.altervista.org
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