I'm 99% sure a out of the box build under cygwin autodetects X, and gives you both X and native GUI You can either get the sources and built it yourself or the installer version

kguy(a)gmx.at wrote: >I' am currently running a native windows installation of Xemacs on a >Winxp machine. I have installed the cygwin tools (with x server) and will like to >migrate from native windows to a cygwin installation that supports >both X and Win32 Gui. The FAQs on www.xemacs.org could not instruct >me on the status of the current release of cygwin-xemacs concerning >the dual support of X and Win32 GUI. >I would appreciate any comment on this topic. Any report on building >xemacs with dual support is also welcome. (I have never build xemacs >before). > >Thanks Guy