Sorry, I read "recompiled" when you actually said "reinstalled".
The Cygwin installer should always give you a basic cygwin
installation, so it makes sense if Lilyond doesn't have one
explicitly. If you manually deselected every single package,
the installer probably gets too confused. What you
MB> It looks as if you don't have the basic Cygwin environment
MB> installed. You probably need a fairly complete Cygwin
MB> installation to be able to compile Lilypond. Also, I
MB> seem to remember from the list that the default Guile
MB> package is too old for lilypond.
I'm not compiling Lily