On Mon, 7 Apr 2008, Sisyphus wrote:
>> sv_setiv(perl_get_sv("PDL::SHARE",TRUE), PTR2IV(&PDL));
>>
>> But I'm not sure what to do to get around this.
>
> Well spotted. I've managed to create a simple demo script that's in no way
> related to PDL:
>
> Is $PDL::SHARE ever actually used ?
>
Yes. It contains a pointer to all the PDL C API functions. You need to get
the PDL::SHARE variable in XS code to access PDL functions in external C
modules. You can't do it by relying on the linker because when a program
loads two shared libraries, generally those shared libraries can't see
each other.
--
Tim Jenness
JAC software
http://www.jach.hawaii.edu/~timj
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