The configure script doesn't check for all of the modules it needs. When building with something like jhbuild this isn't a problem as you get all of the X headers, but I'm building on Ubuntu Breezy from packages so need to install -dev packages.
Created attachment 3188 [details] [review] Add more packages to the pkgconfig call
Created attachment 3314 [details] [review] Improved patch This patch adds more modules, found after building a debian package of Xephyr.
Fixed in current sources. REQUIRED_MODULES contains bigreqsproto, xcmiscproto and scrnsaverproto videoproto is conditionnally to the Xv extension.
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