It'd be nice to be able to cross-compile coreutils. It could be done by detecting if `--host=` is different from the build system. If it is different, then make the `src/primes.h` target natively (specifically the `src/make-prime-list` target).
I noticed it was a very old issue (going back to 2012). My workaround was just to `configure` without any arguments, `make src/primes.h`, then `configure` again for cross-compiling, and run a normal `make`.
