[MLton] commit r4725: Statically-linked wrapper functions for Intel Mac

[Matthew Fluet]

> I updated from svn, did a "make clean" and then a "make all-no-docs", 
> but the build is now failing at

The front-end files get deleted by "make clean".  Looks like you're 
generating the front-end files via a very old mllex/mlyacc from MLton or 
mllex/mlyacc from SML/NJ.

>   Compile SML starting
>      pre codegen starting
>         parseAndElaborate starting
> Error: front-end/mlb.lex.sml 1820.20.
>  Undefined structure Unsafe.
> Error: front-end/mlb.lex.sml 1836.36.
>  Undefined structure Unsafe.
> Error: front-end/mlb.lex.sml 1838.27.
>  Undefined structure Unsafe.
>         parseAndElaborate raised in 18.04 + 0.00 (0% GC)
>      pre codegen raised in 18.04 + 0.00 (0% GC)
>   Compile SML raised in 18.04 + 0.00 (0% GC)
> MLton raised in 18.04 + 0.00 (0% GC)
> compilation aborted: elaborate reported errors

You could use the front-end files from
   http://mlton.org/pipermail/mlton/2006-October/029126.html
Remember to update the timestamps.