Building gcc-3.4.3 on I686 Cygwin

[Byron Hale]

Hi,

I am wondering about building gcc-3.4.3 on I686 Cygwin. gcc-3.3.1-3 has an 
executable compiler, but the installation notes call for an ISO C90 compiler.
Will gcc-3.3.1-3 do, and if so, which compiler should I use?

Thanks,

Byron Hale