xf86-input-evdev: split dev output

nixos/modules/services/x11/xserver.nix

@@ -535,7 +535,7 @@ in
     services.xserver.modules =
       concatLists (catAttrs "modules" cfg.drivers) ++
       [ xorg.xorgserver.out
-        xorg.xf86inputevdev
+        xorg.xf86inputevdev.out
       ];
 
     services.xserver.xkbDir = mkDefault "${pkgs.xkeyboard_config}/etc/X11/xkb";

pkgs/desktops/kde-5/plasma-5.6/plasma-desktop/default.nix

@@ -36,7 +36,7 @@ plasmaPackage rec {
   ];
   NIX_CFLAGS_COMPILE = [ "-I${xorgserver}/include/xorg" ];
   cmakeFlags = [
-    "-DEvdev_INCLUDE_DIRS=${xf86inputevdev}/include/xorg"
+    "-DEvdev_INCLUDE_DIRS=${xf86inputevdev.dev}/include/xorg"
     "-DSynaptics_INCLUDE_DIRS=${xf86inputsynaptics}/include/xorg"
   ];
   postInstall = ''

pkgs/servers/x11/xorg/overrides.nix

@@ -286,6 +286,7 @@ in
   };
 
   xf86inputevdev = attrs: attrs // {
+    outputs = [ "dev" "out" ]; # to get rid of xorgserver.dev; man is tiny
     preBuild = "sed -e '/motion_history_proc/d; /history_size/d;' -i src/*.c";
     installFlags = "sdkdir=\${out}/include/xorg";
     buildInputs = attrs.buildInputs ++ [ args.mtdev args.libevdev ];