[MLton] PowerPC .deb built

[Stephen Weeks]

> The attached patch makes the following small adjustments:

Checked in.

> 2. Added powerpc, hppa, and sparc to the debian Architecture list
>    ... my .debs pass (more or less) the regressions on these platforms
>    Should I NMU them now, or wait till you next release MLton?

Do not NMU.  I don't think we're in a stable enough state.

> 4. The unhelpful error checking /,% hit me again.
>    How often is it really the case that these operations will be wrong?
>    Is there even one platform where this is a concern?

I don't see the issue.  It seems good to be reminded of the
potential problem.

>    If you don't remove it, please add __powerpc__ and __parisc__

Done.

> 5. I went digging through the kaffe source and copied it's definitions
>    for accessing the instruction pointer for each platform except m68k. How
>    can I test whether this is actually working?

Try time profiling (look in doc/examples/profiling).

> Oh yeah, could you please ask whoever holds the repository for MLton
> cvs to remove the obsolete directory regression/modules? Because
> there is a regression of the same name, an unpruned checkout fails.

Done.  Althogh I would think having "checkout -P" in your .cvsrc would
solve the problem.