Motif installation - libXm.so.3 needed instead of libXm.so.2

Hello

I am installating a program to the KNOPPIX4.0.2DVD (UnionFS / persistent home) which uses Motif.

Code:

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locate libXm.so

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gives

Code:

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libXm.so.2

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whereas the program needs libXm.so.3.

Does anybody have a pointer to an installation instruction or directly some hints?

Thank you in advance

--Hannes

P.S. searching for Motif AND installation in this forum gave no result.