cygwin-gcc -mno-cygwin vs mingw (WAS: RE: CygUtils Version of zip (and Symlinks))

[Parker, Ron]

> mingw == 'free alternative for a good Win32 compiler'
> cygwin-gcc -mno-cygwin == 'another free alternative for a good Win32
> compiler'
> cygwin-gcc -mno-cygwin != mingw
> 
> I'm not sure how this affects your argument below, but the difference
> between cygwin-gcc -mno-cygwin and mingw does need to be considered.

Enlighten me or direct me to a source if possible.  What are the
differences?