How to use GTK+ for Win32 using Cygwin

• Install the latest Cygwin
• Start a bash shell
• $ lynx -source http://xlang.sourceforge.net/gtk+-win32_cygwin.sh | sh

You now have a compatible 'glib-config', 'gtk-config' and you can also use the GTK+ automake macro AM_PATH_GTK(1.3.0).