[osgeo4w-dev] Mapnik in osgeo4w

[Julien Malik]

>>> It seems like OSGeo4W is made out of several heterogenous compilers.  I'm
>>> surprised there is so little (not a single ?) "runtime library
>>> incompatibility hell"...
>> oh dll hell has shown it's face around here alright. :)
>> That's why Frank built dllupdate
>> (http://trac.osgeo.org/osgeo4w/wiki/dllupdate).
> DLL hell - piece of cake ;)
>
> I think Julien is more after more subtle cases like:
>
> http://trac.osgeo.org/osgeo4w/ticket/40
> http://trac.osgeo.org/osgeo4w/ticket/68
> http://trac.osgeo.org/qgis/ticket/3766
>
> Just to name a few.  There were many more.

Hummm... Delightful moments...
There is the memory freeing problem as you mentioned.
I also remember a good one about FILE* fopen'ed in one lib and fclose'd 
in another one (with curl and jpeg, both providing a way out).

Julien