Adding x2x.

Patch by Oleksandr Kozachuk

svn path=/nixpkgs/trunk/; revision=21796

pkgs/tools/X11/x2x/default.nix

@@ -0,0 +1,30 @@
+{stdenv, fetchurl, imake, libX11, libXtst, libXext}:
+
+stdenv.mkDerivation {
+  name = "x2x-1.27";
+
+  src = fetchurl {
+    url = "http://github.com/downloads/dottedmag/x2x/x2x-1.27.tar.gz";
+    sha256 = "0dha0kn1lbc4as0wixsvk6bn4innv49z9a0sm5wlx4q1v0vzqzyj";
+  };
+
+  buildInputs = [ imake libX11 libXtst libXext ];
+
+  configurePhase = ''
+    xmkmf
+    makeFlags="BINDIR=$out/bin x2x"
+  '';
+
+  installPhase = ''
+    ensureDir $out/bin
+    ensureDir $out/man/man1
+    cp x2x $out/bin/
+    cp x2x.1 $out/man/man1/
+  '';
+
+  meta = {
+    description = "x2x allows the keyboard, mouse on one X display to be used to control another X display.";
+    homepage = http://x2x.dottedmag.net;
+    license = "BSD";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -9660,6 +9660,11 @@ let
       flex = pkgsi686Linux.flex2535;
     };
 
+  x2x = import ../tools/X11/x2x {
+    inherit stdenv fetchurl;
+    inherit (xlibs) imake libX11 libXtst libXext;
+  };
+
   xosd = import ../misc/xosd {
     inherit fetchurl stdenv;
     inherit (xlibs) libX11 libXext libXt xextproto xproto;