libXm.so.3: cannot open shared object file & libXm.so.3: wrong ELF class: ELFCLASS64 (RRDI 2.0.1 installation)

Just today I wanted to install Rational Reporting for Development Intelligence (RRDI) 2.0.1 on 64bit SuSE 11. I got my repository, I got Installation Manager 1.6 (it's a must!) uznipped and started the ride.

The first error IM thrown at me was "Installation failed with code status =127" and investigation in the IM log files (/var/ibm/InstallationManager/logs/native/...) shown:

/opt/IBM/RRDI/install/cognos_bi/linuxi38664h/issetup: error while loading shared libraries: libXm.so.3: cannot open shared object file: No such file or directory

So, I looked google up and found that I'm missing some libraries for my system, namely:

Open Motif 2.2.4 Libraries (openmotif22-libs-2.2.4-189.1.i586.rpm)

After getting and installing it (for 64bit) I rerun the installation....and failed again. I found then some tip to link libraries from /usr/lib64 into /usr/lib and during next installation attempt I ran into:

/opt/IBM/RRDI/install/cognos_bi/linuxi38664h/issetup: error while loading shared libraries: libXm.so.3: wrong ELF class: ELFCLASS64

So, fine, some progress but different error :) Searched again, and found that this means wrong bitness of the libraries, so I went back to RPM search and got 32bit libraries, unlinked those 64bit from /usr/lib, installed the package and...this time success! I'm no Linux expert, but that occured a bit strange to me, that I eventually solved it by installing 32bit libs on 64bit system. Anyway, should you run into the same problem, perhaps this helps you.

Good luck, comments welcome!