Here's a configure log with scrnsaverproto-1.0.2 checking for XdmcpWrap in -lXdmcp... yes checking for XSERVERCFLAGS... configure: error: Package requirements (randrproto renderproto fixesproto >= 4.0 damageproto xcmiscproto xextproto xproto xtrans xf86miscproto xf86vidmodeproto xf86bigfontproto scrnsaverproto >= 1.1 bigreqsproto resourceproto fontsproto inputproto xf86dgaproto videoproto compositeproto >= 0.3 trapproto recordproto resourceproto xineramaproto evieproto xkbfile xfont xau fontenc xdmcp) were not met: Requested 'scrnsaverproto >= 1.1' but version of ScrnSaverProto is 1.0.2
I coincidentally committed a fix shortly before seeing this.