Quoting Greg Hudson,

> Okay, I did the research on this.  The Linux Mathematica 3.0 binary is
> a statically linked ELF executable, and those don't work on NetBSD 1.2
> or, apparently, NetBSD 1.2.1.  NetBSD-current has some heuristics to
> make statically linked Linux ELF binaries work.

If the binary has just one loadable section, you need 1.2.1. In other cases,
removing COMPAT_SVR4, which gets in the way, should be enough. Did you
test it with COMPAT_SVR4 removed?

- Frank