New formula for irrlicht 1.8

The Irrlicht Engine is a high performance open source and cross platform 3D engine for creating realtime 3D applications.

Library/Formula/irrlicht.rb

@@ -0,0 +1,29 @@
+require 'formula'
+
+class Irrlicht < Formula
+  homepage 'http://irrlicht.sourceforge.net/'
+  url 'http://downloads.sourceforge.net/irrlicht/irrlicht-1.8.zip'
+  sha1 'a24c2183e3c7dd909f92699c373a68382958b09d'
+  head 'https://irrlicht.svn.sourceforge.net/svnroot/irrlicht/trunk', :using => :svn
+
+  depends_on :xcode
+
+  fails_with :clang do
+    build 421
+    cause <<-EOS.undent
+      /tmp/irrlicht-3FKY/irrlicht-1.8/source/Irrlicht/MacOSX/../COpenGLExtensionHandler.h:2390:31: error: expected ')'
+              glProgramParameteriEXT((long GLuint)program, pname, value);
+                                           ^
+      /tmp/irrlicht-3FKY/irrlicht-1.8/source/Irrlicht/MacOSX/../COpenGLExtensionHandler.h:2390:25: note: to match this '('
+              glProgramParameteriEXT((long GLuint)program, pname, value);
+                                     ^
+    EOS
+  end
+
+  def install
+    system *%W(xcodebuild -project source/Irrlicht/MacOSX/MacOSX.xcodeproj -configuration Release -target libIrrlicht.a GCC_VERSION=com.apple.compilers.llvmgcc42 -sdk macosx#{MacOS.version})
+
+    lib.install "source/Irrlicht/MacOSX/build/Release/libIrrlicht.a"
+    include.install "include" => "irrlicht"
+  end
+end