[C++-sig] Dynamic Cast failed over multiple modules

[Holger Brandsmeier]

Mathieu,

thank you very much. This is exactly what I was still missing.

-Holger

On Thu, Sep 8, 2011 at 12:00, Mathieu Malaterre
<mathieu.malaterre at gmail.com> wrote:
> On Thu, Sep 8, 2011 at 11:56 AM, Holger Brandsmeier <brandsmeier at gmx.de> wrote:
> [...]
>> CMAKE_SHARED_LINKER_FLAGS. About the RTLD_GLOBAL flag for dlopen, I
>> don't know how python handles this.
>>
>> Do you have any ideas how to solve this? Or is this simply not
>> possible with python?
>
> Here is what I use:
>
> if os.name == 'posix':
>  orig_dlopen_flags = sys.getdlopenflags()
>  try:
>    import dl
>  except ImportError:
>    try:
>      import DLFCN as dl
>    except ImportError:
>      dl = None
>  if dl:
>    sys.setdlopenflags(dl.RTLD_NOW|dl.RTLD_GLOBAL)
>  # now load the module !
>  from gdcmswig import *
>  sys.setdlopenflags(orig_dlopen_flags)
>  del dl
>  del orig_dlopen_flags
>
>
> ref:
> http://gdcm.git.sourceforge.net/git/gitweb.cgi?p=gdcm/gdcm;a=blob;f=Wrapping/Python/gdcm.py;h=fd7ee0da80297d608c2939b8661ce0e81c33314a;hb=HEAD
>
> --
> Mathieu
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