New formula libosip

oSIP is an implementation of SIP. And SIP stands for the Session Initiation Protocol
and is described by the rfc3261 (wich deprecates rfc2543). This library aims to
provide multimedia and telecom software developers an easy and powerful interface to
initiate and control SIP based sessions in their applications. SIP is a open standard
replacement from IETF for H323.

Formula/libosip.rb

@@ -0,0 +1,12 @@
+require 'formula'
+
+class Libosip <Formula
+  url 'http://ftp.gnu.org/gnu/osip/libosip2-3.3.0.tar.gz'
+  homepage 'http://www.gnu.org/software/osip/'
+  md5 '81493bb4d4ae6d55b71a0d4369339125'
+
+  def install
+    system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
+    system "make install"
+  end
+end