in reply to Re^4: Install Module from CPAN
in thread Install Module from CPAN

That looks to me as if the (SWIG-generated) wrapper for that library is not what your C compiler expects it to be, but that's unfortunately outside of my expertise. There also is no ActiveState build of that module, but the README distributed with Lab::VISA points out a PPM maintained by the author.

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Re^6: Install Module from CPAN
by Bintuch (Acolyte) on Mar 17, 2010 at 13:07 UTC
    Do you have an idea what can I do in order to make this through?

      You could read the links I provided and try the PPM mentioned there. Otherwise, you can try to contact the module author or try to acquire the expertise needed.