libre 0.4.8 (new formula)

Libre is an Open Source Protocol Library for Real-Time Communications.
It includes protocols like SIP, SDP, RTP/RTCP, DNS, BFCP, STUN/TURN/ICE,
HTTP, Websockets.

Closes Homebrew/homebrew#28544.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/libre.rb

@@ -0,0 +1,24 @@
+require "formula"
+
+class Libre < Formula
+  homepage "http://www.creytiv.com"
+  url "http://www.creytiv.com/pub/re-0.4.8.tar.gz"
+  sha1 "92bdf13a5e5ba445e1457d3fd6a20bb779c4b4b0"
+
+  depends_on "openssl"
+  depends_on "lzlib"
+
+  def install
+    system "make", "install", "PREFIX=#{prefix}"
+  end
+
+  test do
+    (testpath/'test.c').write <<-EOS.undent
+      #include <re/re.h>
+      int main() {
+        return libre_init();
+      }
+    EOS
+    system ENV.cc, "test.c", "-lre"
+  end
+end