New formula: classads

Used by Condor and other High Throughput Computing projects.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/classads.rb

@@ -0,0 +1,14 @@
+require 'formula'
+
+class Classads <Formula
+  homepage 'http://www.cs.wisc.edu/condor/classad/'
+  url 'ftp://ftp.cs.wisc.edu/condor/classad/c++/classads-1.0.9.tar.gz'
+  sha256 'f223b6d5954d3b1cd6b34dba7c7f67a69e959e350b4d9473b582895a326d3b60'
+
+  depends_on "pcre++"
+
+  def install
+    system "./configure", "--enable-namespace", "--prefix=#{prefix}"
+    system "make install"
+  end
+end