Cygwin cross compiler

[Henry Cejtin]

I tried to think of a way to do the 2.2 vs. 2.4 thing all in #ifdef's, but
there isn't a way without changing the code.  If you change the code so that
the mem_unit is gotten by what looks like a function call, then you can
define the function for 2.2 compiles to always return 1.
Alternatively, it would be easy to just include the 2.4
	/usr/include/sys/sysinfo.h
(so it would definitely have a mem_unit field) and then have the code test
if it is 0 and, in that case, use 1.
This isn't great because of future changes, but is probably the best way to go.

As to Matthew's stuff, should I grab
	mlton-20020314-1.i386.rpm
	mlton-20020314-1.src.rpm
	mlton-20020314.tgz
and should I replace
	mlton-20020312-1.i386.rpm
	mlton-20020312-1.src.rpm

Speaking of build problems, why doesn't the source rpm (and tar file)
reflect the world one directory higher, including an empty include and bin
directory?  Then you wouldn't have to manually make them and things would be
more automatic.