Is it possible to boot MIT from portable C to native?

As with the experiment, I tried to download the MIT Scheme starting with the Portable C distribution.

I built my first setup using etc/make-liarc.sh

and then make install

. This built and established a working (supposedly) MIT scheme. Dox says this is not a native build.

So ... I unpack the unix source distribution and do configure

and make

, which after creating the runtime, sf, cref and compiler, complain that "./tools/syntaxer.com" is not installed as part of the above installation.

So ... I'll unpack the unix source distribution again and try etc/make-native.sh

. This creates a runtime, sf and cref and then barfs when trying to compile the compiler. It complains about the unbound cref / generate-trivial-constructor variable.

My question is, is it possible to boot-copy from the Portable C distribution into a native build? If so, how?