libtcod: import from homebrew/games.

Formula/libtcod.rb

@@ -0,0 +1,27 @@
+class Libtcod < Formula
+  desc "API for roguelike developpers"
+  homepage "http://roguecentral.org/doryen/libtcod/"
+  url "https://bitbucket.org/libtcod/libtcod/get/1.5.1.tar.bz2"
+  sha256 "290145f760371881bcc6aa3fda256a2927f9210acc3f0a7230c5dfd57d9052d0"
+
+  depends_on "cmake" => :build
+  depends_on "sdl"
+
+  def install
+    # Remove unnecessary X11 check - our SDL doesn't use X11
+    inreplace "CMakelists.txt" do |s|
+      s.gsub! "find_package(X11 REQUIRED)", ""
+      s.gsub! "${X11_INCLUDE_DIRS}", ""
+    end
+
+    system "cmake", ".", *std_cmake_args
+    system "make"
+
+    # cmake produces an install target, but it installs nothing
+    lib.install "src/libtcod.dylib"
+    lib.install "src/libtcod-gui.dylib"
+    include.install Dir["include/*"]
+    # don't yet know what this is for
+    libexec.install "data"
+  end
+end