diff --git a/antlr2.rb b/antlr2.rb
new file mode 100644
index 0000000000..0b6b1c0411
--- /dev/null
+++ b/antlr2.rb
@@ -0,0 +1,32 @@
+require 'formula'
+
+class Antlr2 < Formula
+
+  homepage 'http://www.antlr2.org'
+  url 'http://www.antlr2.org/download/antlr-2.7.7.tar.gz'
+  md5 '01cc9a2a454dd33dcd8c856ec89af090'
+
+  def install
+
+    # C Sharp is explicitly disabled because the antlr configure script will
+    # confuse the Chicken Scheme compiler, csc, for a C sharp compiler.
+    args = %W[
+      --prefix=#{prefix}
+      --disable-debug
+      --disable-csharp
+    ]
+
+    system "./configure", *args
+    system "make"
+
+    libexec.install "antlr.jar"
+    include.install "lib/cpp/antlr"
+    lib.install "lib/cpp/src/libantlr.a"
+
+    (bin+"antlr2").write <<-EOS.undent
+    #!/bin/sh
+    java -classpath #{libexec}/antlr.jar antlr.Tool "$@"
+    EOS
+  end
+
+end