qmake params for Windows: GLIB2PATH - path to the Glib-2.x development environment (includes, ...) ZLIBPATH - path to the Zlib development environment (includes, ...) sample usage: qmake GLIB2PATH=d:\oss\glib\ ZLIBPATH=d:\oss\zlib\ Requirements: Glib2 development env. Glib2 runtime env. Zlib env.