xorg: fix Xephyr

pkgs/servers/x11/xorg/overrides.nix

@@ -1,7 +1,7 @@
 { args, xorg }:
 
 let
-  inherit (args) stdenv;
+  inherit (args) stdenv makeWrapper;
   inherit (stdenv) lib isDarwin;
   inherit (lib) overrideDerivation;
 
@@ -300,13 +300,14 @@ in
     in
       if (!isDarwin)
       then {
-        buildInputs = commonBuildInputs;
+        buildInputs = [ makeWrapper ] ++ commonBuildInputs;
         propagatedBuildInputs = commonPropagatedBuildInputs ++ lib.optionals stdenv.isLinux [
           args.udev
         ];
         patches = commonPatches;
         configureFlags = [
           "--enable-kdrive"             # not built by default
+          "--enable-xephyr"
           "--enable-xcsecurity"         # enable SECURITY extension
           "--with-default-font-path="   # there were only paths containing "${prefix}",
                                         # and there are no fonts in this package anyway
@@ -314,6 +315,9 @@ in
         postInstall = ''
           rm -fr $out/share/X11/xkb/compiled
           ln -s /var/tmp $out/share/X11/xkb/compiled
+          wrapProgram $out/bin/Xephyr \
+            --set XKB_BINDIR "${xorg.xkbcomp}/bin" \
+            --add-flags "-xkbdir ${xorg.xkeyboardconfig}/share/X11/xkb"
         '';
         passthru.version = version; # needed by virtualbox guest additions
       } else {

pkgs/servers/x11/xorg/xorgserver-xkbcomp-path.patch

@@ -1,15 +1,15 @@
-diff -rc xorg-server-X11R7.2-1.2.0-orig/xkb/xkbInit.c xorg-server-X11R7.2-1.2.0/xkb/xkbInit.c
-*** xorg-server-X11R7.2-1.2.0-orig/xkb/xkbInit.c	Tue Jan 23 04:13:16 2007
---- xorg-server-X11R7.2-1.2.0/xkb/xkbInit.c	Fri Mar 30 00:52:53 2007
+*** xorg-server-X11R7.2-1.2.0-orig/xkb/xkbInit.c	2015-02-11 00:32:06.000000000 +0100
+--- xorg-server-X11R7.2-1.2.0/xkb/xkbInit.c	2015-04-11 10:10:41.948438435 +0200
 ***************
-*** 923,928 ****
---- 923,931 ----
-  	XkbDfltRepeatInterval = (long)atoi(argv[i]);
-  	return 2;
-      }
+*** 733,738 ****
+--- 733,742 ----
+  int
+  XkbProcessArguments(int argc, char *argv[], int i)
+  {
 +     char *xkbBinDir = getenv("XKB_BINDIR");
 +     if (xkbBinDir)
 +         XkbBinDirectory = Xstrdup(xkbBinDir);
-      return 0;
-  }
-  
++ 
+      if (strncmp(argv[i], "-xkbdir", 7) == 0) {
+          if (++i < argc) {
+  #if !defined(WIN32) && !defined(__CYGWIN__)

pkgs/top-level/all-packages.nix

@@ -8682,7 +8682,7 @@ let
   xorg = recurseIntoAttrs (import ../servers/x11/xorg/default.nix {
     inherit clangStdenv fetchurl fetchgit fetchpatch stdenv pkgconfig intltool freetype fontconfig
       libxslt expat libpng zlib perl mesa_drivers spice_protocol
-      dbus libuuid openssl gperf m4 libevdev tradcpp
+      dbus libuuid openssl gperf m4 libevdev tradcpp makeWrapper
       autoconf automake libtool xmlto asciidoc flex bison python mtdev pixman;
     bootstrap_cmds = if stdenv.isDarwin then darwin.bootstrap_cmds else null;
     mesa = mesa_noglu;