Remaining host configuration fragments

[DJ Delorie]

> Note that there you call GCC from CMD.exe, so you should get a
> WINDOWS (i.e.  ';' separated) PATH, not a cygwin one.

Cygwin fixes $PATH anyway in that case.

> However the initial call (from CMD.exe) is not the standard way to
> invoke gcc in the cygwin environment;

There's nothing wrong with invoking gcc from cmd.exe.  Red Hat's
customers do it all the time with cygwin-hosted cross compilers.