ubsan: don't create ubsan in every static lib by default
Problem here is if zig is asked to create multiple static libraries, it
will build the runtime multiple times and then they will conflict.
Instead we want to build the runtime exactly once.
e18c7f9ccaAndrew Kelley committed on 2/25/2025, 7:22:33 PM· committed by David Rubinparentd4413e3