[jan-jaap]

if not copy it over (as root)

Code:

cp /usr/lib32/libInventor.so.3 /usr/lib64

then do

Code:

ldd bin/flame_IRIX_6.5_64

That's not going to work. Files under /usr/lib32 are N32 ABI binaries, files under /usr/lib64 are 64bit ABI. You cannot mix ABIs in a single binary. So a 64 bit ABI Flame executable will not load an N32 libInventor.so even if you place it in /usr/lib64. And if an N32 binary looks for it's .so files in /usr/lib64 there's something wrong as well.