diff --git a/Formula/jam.rb b/Formula/jam.rb
new file mode 100644
index 0000000000..b82d9bad4b
--- /dev/null
+++ b/Formula/jam.rb
@@ -0,0 +1,19 @@
+require 'formula'
+
+class Jam <Formula
+  url 'ftp://ftp.perforce.com/jam/jam-2.5.zip'
+  homepage 'http://www.perforce.com/jam/jam.html'
+  md5 'f92caadb62fe4cb0b152eff508c9d450'
+
+  def install
+    # Why zip up as read-only?
+    system "chmod a+w *"
+
+    inreplace "Makefile" do |s|
+      s.remove_make_var! ['CC', 'CFLAGS']
+    end
+
+    system "make"
+    bin.install ["bin.macosx/jam", "bin.macosx/mkjambase"]
+  end
+end