{stdenv, fetchurl, libX11, xextproto, libXtst, imake,
libXi, libXext}:
stdenv.mkDerivation {
  name = "keynav";

  src = 
	fetchurl {
		url = http://www.semicomplete.com/files/keynav/keynav-20070903.tar.gz;
		sha256 = "037mbgm78jwy0qd0z691pgx4zcpkk5544fx8ajm2mx4y80k2d9kk";
	};

  buildInputs = [libX11 xextproto libXtst imake libXi libXext];

  NIX_LDFLAGS=" -lXext ";

  installPhase = "
	mkdir -p \$out/bin \$out/share/keynav/doc;
	cp keynav \$out/bin; cp keynavrc \$out/share/keynav/doc
	";

  meta ={
	description = "A tool to generate X11 mouse clicks from keyboard.";
  };
}