norm 1.5b3 (new formula)

The widely used ZeroMQ lib added support for NACK-Oriented Reliable
Multicast (NORM). This simple formula adds the reference implementation
by NRL to homebrew. Rationale and more see:
http://zeromq.org/topics:norm-protocol-transport

Closes Homebrew/homebrew#41051.

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

Formula/norm.rb

@@ -0,0 +1,30 @@
+class Norm < Formula
+  desc "NACK-Oriented Reliable Multicast"
+  homepage "https://www.nrl.navy.mil/itd/ncs/products/norm"
+  url "https://downloads.pf.itd.nrl.navy.mil/norm/archive/src-norm-1.5b3.tgz"
+  sha256 "ec2014f57be12ea3ade0685faa1e6e161f168311c8975093bce33a6e1dc5e77c"
+
+  def install
+    system "./waf", "configure", "--prefix=#{prefix}"
+    system "./waf", "install"
+    include.install "include/normApi.h"
+  end
+
+  test do
+    (testpath/"test.c").write <<-EOS.undent
+      #include <assert.h>
+      #include <normApi.h>
+
+      int main()
+      {
+        NormInstanceHandle i;
+        i = NormCreateInstance(false);
+        assert(i != NORM_INSTANCE_INVALID);
+        NormDestroyInstance(i);
+        return 0;
+      }
+    EOS
+    system ENV.cc, "test.c", "-L#{lib}", "-lnorm", "-o", "test"
+    system "./test"
+  end
+end